X3F200C/XVoxel-ASync
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
main
XVoxel-ASync/lib/peer.js

10318 lines
316 KiB
JavaScript
Raw Permalink Normal View History

Add files from before the Git repository
2023-08-24 18:36:44 -04:00
// modules are defined as an array
// [ module function, map of requires ]
//
// map of requires is short require name -> numeric require
//
// anything defined in a previous bundle is accessed via the
// orig method which is the require for previous bundles
parcelRequire = (function (modules, cache, entry, globalName) {
// Save the require from previous bundle to this closure if any
var previousRequire = typeof parcelRequire === 'function' && parcelRequire;
var nodeRequire = typeof require === 'function' && require;
function newRequire(name, jumped) {
if (!cache[name]) {
if (!modules[name]) {
// if we cannot find the module within our internal map or
// cache jump to the current global require ie. the last bundle
// that was added to the page.
var currentRequire = typeof parcelRequire === 'function' && parcelRequire;
if (!jumped && currentRequire) {
return currentRequire(name, true);
}
// If there are other bundles on this page the require from the
// previous one is saved to 'previousRequire'. Repeat this as
// many times as there are bundles until the module is found or
// we exhaust the require chain.
if (previousRequire) {
return previousRequire(name, true);
}
// Try the node require function if it exists.
if (nodeRequire && typeof name === 'string') {
return nodeRequire(name);
}
var err = new Error('Cannot find module \'' + name + '\'');
err.code = 'MODULE_NOT_FOUND';
throw err;
}
localRequire.resolve = resolve;
localRequire.cache = {};
var module = cache[name] = new newRequire.Module(name);
modules[name][0].call(module.exports, localRequire, module, module.exports, this);
}
return cache[name].exports;
function localRequire(x){
return newRequire(localRequire.resolve(x));
}
function resolve(x){
return modules[name][1][x] || x;
}
}
function Module(moduleName) {
this.id = moduleName;
this.bundle = newRequire;
this.exports = {};
}
newRequire.isParcelRequire = true;
newRequire.Module = Module;
newRequire.modules = modules;
newRequire.cache = cache;
newRequire.parent = previousRequire;
newRequire.register = function (id, exports) {
modules[id] = [function (require, module) {
module.exports = exports;
}, {}];
};
var error;
for (var i = 0; i < entry.length; i++) {
try {
newRequire(entry[i]);
} catch (e) {
// Save first error but execute all entries
if (!error) {
error = e;
}
}
}
if (entry.length) {
// Expose entry point to Node, AMD or browser globals
// Based on https://github.com/ForbesLindesay/umd/blob/master/template.js
var mainExports = newRequire(entry[entry.length - 1]);
// CommonJS
if (typeof exports === "object" && typeof module !== "undefined") {
module.exports = mainExports;
// RequireJS
} else if (typeof define === "function" && define.amd) {
define(function () {
return mainExports;
});
// <script>
} else if (globalName) {
this[globalName] = mainExports;
}
}
// Override the current require with this new one
parcelRequire = newRequire;
if (error) {
// throw error from earlier, _after updating parcelRequire_
throw error;
}
return newRequire;
})({"EgBh":[function(require,module,exports) {
var binaryFeatures = {};
binaryFeatures.useBlobBuilder = (function () {
try {
new Blob([]);
return false;
} catch (e) {
return true;
}
})();
binaryFeatures.useArrayBufferView = !binaryFeatures.useBlobBuilder && (function () {
try {
return (new Blob([new Uint8Array([])])).size === 0;
} catch (e) {
return true;
}
})();
module.exports.binaryFeatures = binaryFeatures;
var BlobBuilder = module.exports.BlobBuilder;
if (typeof window !== 'undefined') {
BlobBuilder = module.exports.BlobBuilder = window.WebKitBlobBuilder ||
window.MozBlobBuilder || window.MSBlobBuilder || window.BlobBuilder;
}
function BufferBuilder () {
this._pieces = [];
this._parts = [];
}
BufferBuilder.prototype.append = function (data) {
if (typeof data === 'number') {
this._pieces.push(data);
} else {
this.flush();
this._parts.push(data);
}
};
BufferBuilder.prototype.flush = function () {
if (this._pieces.length > 0) {
var buf = new Uint8Array(this._pieces);
if (!binaryFeatures.useArrayBufferView) {
buf = buf.buffer;
}
this._parts.push(buf);
this._pieces = [];
}
};
BufferBuilder.prototype.getBuffer = function () {
this.flush();
if (binaryFeatures.useBlobBuilder) {
var builder = new BlobBuilder();
for (var i = 0, ii = this._parts.length; i < ii; i++) {
builder.append(this._parts[i]);
}
return builder.getBlob();
} else {
return new Blob(this._parts);
}
};
module.exports.BufferBuilder = BufferBuilder;
},{}],"kdPp":[function(require,module,exports) {
var BufferBuilder = require('./bufferbuilder').BufferBuilder;
var binaryFeatures = require('./bufferbuilder').binaryFeatures;
var BinaryPack = {
unpack: function (data) {
var unpacker = new Unpacker(data);
return unpacker.unpack();
},
pack: function (data) {
var packer = new Packer();
packer.pack(data);
var buffer = packer.getBuffer();
return buffer;
}
};
module.exports = BinaryPack;
function Unpacker (data) {
// Data is ArrayBuffer
this.index = 0;
this.dataBuffer = data;
this.dataView = new Uint8Array(this.dataBuffer);
this.length = this.dataBuffer.byteLength;
}
Unpacker.prototype.unpack = function () {
var type = this.unpack_uint8();
if (type < 0x80) {
return type;
} else if ((type ^ 0xe0) < 0x20) {
return (type ^ 0xe0) - 0x20;
}
var size;
if ((size = type ^ 0xa0) <= 0x0f) {
return this.unpack_raw(size);
} else if ((size = type ^ 0xb0) <= 0x0f) {
return this.unpack_string(size);
} else if ((size = type ^ 0x90) <= 0x0f) {
return this.unpack_array(size);
} else if ((size = type ^ 0x80) <= 0x0f) {
return this.unpack_map(size);
}
switch (type) {
case 0xc0:
return null;
case 0xc1:
return undefined;
case 0xc2:
return false;
case 0xc3:
return true;
case 0xca:
return this.unpack_float();
case 0xcb:
return this.unpack_double();
case 0xcc:
return this.unpack_uint8();
case 0xcd:
return this.unpack_uint16();
case 0xce:
return this.unpack_uint32();
case 0xcf:
return this.unpack_uint64();
case 0xd0:
return this.unpack_int8();
case 0xd1:
return this.unpack_int16();
case 0xd2:
return this.unpack_int32();
case 0xd3:
return this.unpack_int64();
case 0xd4:
return undefined;
case 0xd5:
return undefined;
case 0xd6:
return undefined;
case 0xd7:
return undefined;
case 0xd8:
size = this.unpack_uint16();
return this.unpack_string(size);
case 0xd9:
size = this.unpack_uint32();
return this.unpack_string(size);
case 0xda:
size = this.unpack_uint16();
return this.unpack_raw(size);
case 0xdb:
size = this.unpack_uint32();
return this.unpack_raw(size);
case 0xdc:
size = this.unpack_uint16();
return this.unpack_array(size);
case 0xdd:
size = this.unpack_uint32();
return this.unpack_array(size);
case 0xde:
size = this.unpack_uint16();
return this.unpack_map(size);
case 0xdf:
size = this.unpack_uint32();
return this.unpack_map(size);
}
};
Unpacker.prototype.unpack_uint8 = function () {
var byte = this.dataView[this.index] & 0xff;
this.index++;
return byte;
};
Unpacker.prototype.unpack_uint16 = function () {
var bytes = this.read(2);
var uint16 =
((bytes[0] & 0xff) * 256) + (bytes[1] & 0xff);
this.index += 2;
return uint16;
};
Unpacker.prototype.unpack_uint32 = function () {
var bytes = this.read(4);
var uint32 =
((bytes[0] * 256 +
bytes[1]) * 256 +
bytes[2]) * 256 +
bytes[3];
this.index += 4;
return uint32;
};
Unpacker.prototype.unpack_uint64 = function () {
var bytes = this.read(8);
var uint64 =
((((((bytes[0] * 256 +
bytes[1]) * 256 +
bytes[2]) * 256 +
bytes[3]) * 256 +
bytes[4]) * 256 +
bytes[5]) * 256 +
bytes[6]) * 256 +
bytes[7];
this.index += 8;
return uint64;
};
Unpacker.prototype.unpack_int8 = function () {
var uint8 = this.unpack_uint8();
return (uint8 < 0x80) ? uint8 : uint8 - (1 << 8);
};
Unpacker.prototype.unpack_int16 = function () {
var uint16 = this.unpack_uint16();
return (uint16 < 0x8000) ? uint16 : uint16 - (1 << 16);
};
Unpacker.prototype.unpack_int32 = function () {
var uint32 = this.unpack_uint32();
return (uint32 < Math.pow(2, 31)) ? uint32
: uint32 - Math.pow(2, 32);
};
Unpacker.prototype.unpack_int64 = function () {
var uint64 = this.unpack_uint64();
return (uint64 < Math.pow(2, 63)) ? uint64
: uint64 - Math.pow(2, 64);
};
Unpacker.prototype.unpack_raw = function (size) {
if (this.length < this.index + size) {
throw new Error('BinaryPackFailure: index is out of range' +
' ' + this.index + ' ' + size + ' ' + this.length);
}
var buf = this.dataBuffer.slice(this.index, this.index + size);
this.index += size;
// buf = util.bufferToString(buf);
return buf;
};
Unpacker.prototype.unpack_string = function (size) {
var bytes = this.read(size);
var i = 0;
var str = '';
var c;
var code;
while (i < size) {
c = bytes[i];
if (c < 128) {
str += String.fromCharCode(c);
i++;
} else if ((c ^ 0xc0) < 32) {
code = ((c ^ 0xc0) << 6) | (bytes[i + 1] & 63);
str += String.fromCharCode(code);
i += 2;
} else {
code = ((c & 15) << 12) | ((bytes[i + 1] & 63) << 6) |
(bytes[i + 2] & 63);
str += String.fromCharCode(code);
i += 3;
}
}
this.index += size;
return str;
};
Unpacker.prototype.unpack_array = function (size) {
var objects = new Array(size);
for (var i = 0; i < size; i++) {
objects[i] = this.unpack();
}
return objects;
};
Unpacker.prototype.unpack_map = function (size) {
var map = {};
for (var i = 0; i < size; i++) {
var key = this.unpack();
var value = this.unpack();
map[key] = value;
}
return map;
};
Unpacker.prototype.unpack_float = function () {
var uint32 = this.unpack_uint32();
var sign = uint32 >> 31;
var exp = ((uint32 >> 23) & 0xff) - 127;
var fraction = (uint32 & 0x7fffff) | 0x800000;
return (sign === 0 ? 1 : -1) *
fraction * Math.pow(2, exp - 23);
};
Unpacker.prototype.unpack_double = function () {
var h32 = this.unpack_uint32();
var l32 = this.unpack_uint32();
var sign = h32 >> 31;
var exp = ((h32 >> 20) & 0x7ff) - 1023;
var hfrac = (h32 & 0xfffff) | 0x100000;
var frac = hfrac * Math.pow(2, exp - 20) +
l32 * Math.pow(2, exp - 52);
return (sign === 0 ? 1 : -1) * frac;
};
Unpacker.prototype.read = function (length) {
var j = this.index;
if (j + length <= this.length) {
return this.dataView.subarray(j, j + length);
} else {
throw new Error('BinaryPackFailure: read index out of range');
}
};
function Packer () {
this.bufferBuilder = new BufferBuilder();
}
Packer.prototype.getBuffer = function () {
return this.bufferBuilder.getBuffer();
};
Packer.prototype.pack = function (value) {
var type = typeof (value);
if (type === 'string') {
this.pack_string(value);
} else if (type === 'number') {
if (Math.floor(value) === value) {
this.pack_integer(value);
} else {
this.pack_double(value);
}
} else if (type === 'boolean') {
if (value === true) {
this.bufferBuilder.append(0xc3);
} else if (value === false) {
this.bufferBuilder.append(0xc2);
}
} else if (type === 'undefined') {
this.bufferBuilder.append(0xc0);
} else if (type === 'object') {
if (value === null) {
this.bufferBuilder.append(0xc0);
} else {
var constructor = value.constructor;
if (constructor == Array) {
this.pack_array(value);
} else if (constructor == Blob || constructor == File || value instanceof Blob || value instanceof File) {
this.pack_bin(value);
} else if (constructor == ArrayBuffer) {
if (binaryFeatures.useArrayBufferView) {
this.pack_bin(new Uint8Array(value));
} else {
this.pack_bin(value);
}
} else if ('BYTES_PER_ELEMENT' in value) {
if (binaryFeatures.useArrayBufferView) {
this.pack_bin(new Uint8Array(value.buffer));
} else {
this.pack_bin(value.buffer);
}
} else if ((constructor == Object) || (constructor.toString().startsWith('class'))) {
this.pack_object(value);
} else if (constructor == Date) {
this.pack_string(value.toString());
} else if (typeof value.toBinaryPack === 'function') {
this.bufferBuilder.append(value.toBinaryPack());
} else {
throw new Error('Type "' + constructor.toString() + '" not yet supported');
}
}
} else {
throw new Error('Type "' + type + '" not yet supported');
}
this.bufferBuilder.flush();
};
Packer.prototype.pack_bin = function (blob) {
var length = blob.length || blob.byteLength || blob.size;
if (length <= 0x0f) {
this.pack_uint8(0xa0 + length);
} else if (length <= 0xffff) {
this.bufferBuilder.append(0xda);
this.pack_uint16(length);
} else if (length <= 0xffffffff) {
this.bufferBuilder.append(0xdb);
this.pack_uint32(length);
} else {
throw new Error('Invalid length');
}
this.bufferBuilder.append(blob);
};
Packer.prototype.pack_string = function (str) {
var length = utf8Length(str);
if (length <= 0x0f) {
this.pack_uint8(0xb0 + length);
} else if (length <= 0xffff) {
this.bufferBuilder.append(0xd8);
this.pack_uint16(length);
} else if (length <= 0xffffffff) {
this.bufferBuilder.append(0xd9);
this.pack_uint32(length);
} else {
throw new Error('Invalid length');
}
this.bufferBuilder.append(str);
};
Packer.prototype.pack_array = function (ary) {
var length = ary.length;
if (length <= 0x0f) {
this.pack_uint8(0x90 + length);
} else if (length <= 0xffff) {
this.bufferBuilder.append(0xdc);
this.pack_uint16(length);
} else if (length <= 0xffffffff) {
this.bufferBuilder.append(0xdd);
this.pack_uint32(length);
} else {
throw new Error('Invalid length');
}
for (var i = 0; i < length; i++) {
this.pack(ary[i]);
}
};
Packer.prototype.pack_integer = function (num) {
if (num >= -0x20 && num <= 0x7f) {
this.bufferBuilder.append(num & 0xff);
} else if (num >= 0x00 && num <= 0xff) {
this.bufferBuilder.append(0xcc);
this.pack_uint8(num);
} else if (num >= -0x80 && num <= 0x7f) {
this.bufferBuilder.append(0xd0);
this.pack_int8(num);
} else if (num >= 0x0000 && num <= 0xffff) {
this.bufferBuilder.append(0xcd);
this.pack_uint16(num);
} else if (num >= -0x8000 && num <= 0x7fff) {
this.bufferBuilder.append(0xd1);
this.pack_int16(num);
} else if (num >= 0x00000000 && num <= 0xffffffff) {
this.bufferBuilder.append(0xce);
this.pack_uint32(num);
} else if (num >= -0x80000000 && num <= 0x7fffffff) {
this.bufferBuilder.append(0xd2);
this.pack_int32(num);
} else if (num >= -0x8000000000000000 && num <= 0x7FFFFFFFFFFFFFFF) {
this.bufferBuilder.append(0xd3);
this.pack_int64(num);
} else if (num >= 0x0000000000000000 && num <= 0xFFFFFFFFFFFFFFFF) {
this.bufferBuilder.append(0xcf);
this.pack_uint64(num);
} else {
throw new Error('Invalid integer');
}
};
Packer.prototype.pack_double = function (num) {
var sign = 0;
if (num < 0) {
sign = 1;
num = -num;
}
var exp = Math.floor(Math.log(num) / Math.LN2);
var frac0 = num / Math.pow(2, exp) - 1;
var frac1 = Math.floor(frac0 * Math.pow(2, 52));
var b32 = Math.pow(2, 32);
var h32 = (sign << 31) | ((exp + 1023) << 20) |
(frac1 / b32) & 0x0fffff;
var l32 = frac1 % b32;
this.bufferBuilder.append(0xcb);
this.pack_int32(h32);
this.pack_int32(l32);
};
Packer.prototype.pack_object = function (obj) {
var keys = Object.keys(obj);
var length = keys.length;
if (length <= 0x0f) {
this.pack_uint8(0x80 + length);
} else if (length <= 0xffff) {
this.bufferBuilder.append(0xde);
this.pack_uint16(length);
} else if (length <= 0xffffffff) {
this.bufferBuilder.append(0xdf);
this.pack_uint32(length);
} else {
throw new Error('Invalid length');
}
for (var prop in obj) {
if (obj.hasOwnProperty(prop)) {
this.pack(prop);
this.pack(obj[prop]);
}
}
};
Packer.prototype.pack_uint8 = function (num) {
this.bufferBuilder.append(num);
};
Packer.prototype.pack_uint16 = function (num) {
this.bufferBuilder.append(num >> 8);
this.bufferBuilder.append(num & 0xff);
};
Packer.prototype.pack_uint32 = function (num) {
var n = num & 0xffffffff;
this.bufferBuilder.append((n & 0xff000000) >>> 24);
this.bufferBuilder.append((n & 0x00ff0000) >>> 16);
this.bufferBuilder.append((n & 0x0000ff00) >>> 8);
this.bufferBuilder.append((n & 0x000000ff));
};
Packer.prototype.pack_uint64 = function (num) {
var high = num / Math.pow(2, 32);
var low = num % Math.pow(2, 32);
this.bufferBuilder.append((high & 0xff000000) >>> 24);
this.bufferBuilder.append((high & 0x00ff0000) >>> 16);
this.bufferBuilder.append((high & 0x0000ff00) >>> 8);
this.bufferBuilder.append((high & 0x000000ff));
this.bufferBuilder.append((low & 0xff000000) >>> 24);
this.bufferBuilder.append((low & 0x00ff0000) >>> 16);
this.bufferBuilder.append((low & 0x0000ff00) >>> 8);
this.bufferBuilder.append((low & 0x000000ff));
};
Packer.prototype.pack_int8 = function (num) {
this.bufferBuilder.append(num & 0xff);
};
Packer.prototype.pack_int16 = function (num) {
this.bufferBuilder.append((num & 0xff00) >> 8);
this.bufferBuilder.append(num & 0xff);
};
Packer.prototype.pack_int32 = function (num) {
this.bufferBuilder.append((num >>> 24) & 0xff);
this.bufferBuilder.append((num & 0x00ff0000) >>> 16);
this.bufferBuilder.append((num & 0x0000ff00) >>> 8);
this.bufferBuilder.append((num & 0x000000ff));
};
Packer.prototype.pack_int64 = function (num) {
var high = Math.floor(num / Math.pow(2, 32));
var low = num % Math.pow(2, 32);
this.bufferBuilder.append((high & 0xff000000) >>> 24);
this.bufferBuilder.append((high & 0x00ff0000) >>> 16);
this.bufferBuilder.append((high & 0x0000ff00) >>> 8);
this.bufferBuilder.append((high & 0x000000ff));
this.bufferBuilder.append((low & 0xff000000) >>> 24);
this.bufferBuilder.append((low & 0x00ff0000) >>> 16);
this.bufferBuilder.append((low & 0x0000ff00) >>> 8);
this.bufferBuilder.append((low & 0x000000ff));
};
function _utf8Replace (m) {
var code = m.charCodeAt(0);
if (code <= 0x7ff) return '00';
if (code <= 0xffff) return '000';
if (code <= 0x1fffff) return '0000';
if (code <= 0x3ffffff) return '00000';
return '000000';
}
function utf8Length (str) {
if (str.length > 600) {
// Blob method faster for large strings
return (new Blob([str])).size;
} else {
return str.replace(/[^\u0000-\u007F]/g, _utf8Replace).length;
}
}
},{"./bufferbuilder":"EgBh"}],"iSxC":[function(require,module,exports) {
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.extractVersion = extractVersion;
exports.wrapPeerConnectionEvent = wrapPeerConnectionEvent;
exports.disableLog = disableLog;
exports.disableWarnings = disableWarnings;
exports.log = log;
exports.deprecated = deprecated;
exports.detectBrowser = detectBrowser;
exports.compactObject = compactObject;
exports.walkStats = walkStats;
exports.filterStats = filterStats;
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function (obj) { return typeof obj; }; } else { _typeof = function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
var logDisabled_ = true;
var deprecationWarnings_ = true;
/**
* Extract browser version out of the provided user agent string.
*
* @param {!string} uastring userAgent string.
* @param {!string} expr Regular expression used as match criteria.
* @param {!number} pos position in the version string to be returned.
* @return {!number} browser version.
*/
function extractVersion(uastring, expr, pos) {
var match = uastring.match(expr);
return match && match.length >= pos && parseInt(match[pos], 10);
} // Wraps the peerconnection event eventNameToWrap in a function
// which returns the modified event object (or false to prevent
// the event).
function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
if (!window.RTCPeerConnection) {
return;
}
var proto = window.RTCPeerConnection.prototype;
var nativeAddEventListener = proto.addEventListener;
proto.addEventListener = function (nativeEventName, cb) {
if (nativeEventName !== eventNameToWrap) {
return nativeAddEventListener.apply(this, arguments);
}
var wrappedCallback = function (e) {
var modifiedEvent = wrapper(e);
if (modifiedEvent) {
if (cb.handleEvent) {
cb.handleEvent(modifiedEvent);
} else {
cb(modifiedEvent);
}
}
};
this._eventMap = this._eventMap || {};
if (!this._eventMap[eventNameToWrap]) {
this._eventMap[eventNameToWrap] = new Map();
}
this._eventMap[eventNameToWrap].set(cb, wrappedCallback);
return nativeAddEventListener.apply(this, [nativeEventName, wrappedCallback]);
};
var nativeRemoveEventListener = proto.removeEventListener;
proto.removeEventListener = function (nativeEventName, cb) {
if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[eventNameToWrap]) {
return nativeRemoveEventListener.apply(this, arguments);
}
if (!this._eventMap[eventNameToWrap].has(cb)) {
return nativeRemoveEventListener.apply(this, arguments);
}
var unwrappedCb = this._eventMap[eventNameToWrap].get(cb);
this._eventMap[eventNameToWrap].delete(cb);
if (this._eventMap[eventNameToWrap].size === 0) {
delete this._eventMap[eventNameToWrap];
}
if (Object.keys(this._eventMap).length === 0) {
delete this._eventMap;
}
return nativeRemoveEventListener.apply(this, [nativeEventName, unwrappedCb]);
};
Object.defineProperty(proto, 'on' + eventNameToWrap, {
get: function () {
return this['_on' + eventNameToWrap];
},
set: function (cb) {
if (this['_on' + eventNameToWrap]) {
this.removeEventListener(eventNameToWrap, this['_on' + eventNameToWrap]);
delete this['_on' + eventNameToWrap];
}
if (cb) {
this.addEventListener(eventNameToWrap, this['_on' + eventNameToWrap] = cb);
}
},
enumerable: true,
configurable: true
});
}
function disableLog(bool) {
if (typeof bool !== 'boolean') {
return new Error('Argument type: ' + _typeof(bool) + '. Please use a boolean.');
}
logDisabled_ = bool;
return bool ? 'adapter.js logging disabled' : 'adapter.js logging enabled';
}
/**
* Disable or enable deprecation warnings
* @param {!boolean} bool set to true to disable warnings.
*/
function disableWarnings(bool) {
if (typeof bool !== 'boolean') {
return new Error('Argument type: ' + _typeof(bool) + '. Please use a boolean.');
}
deprecationWarnings_ = !bool;
return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
}
function log() {
if ((typeof window === "undefined" ? "undefined" : _typeof(window)) === 'object') {
if (logDisabled_) {
return;
}
if (typeof console !== 'undefined' && typeof console.log === 'function') {
console.log.apply(console, arguments);
}
}
}
/**
* Shows a deprecation warning suggesting the modern and spec-compatible API.
*/
function deprecated(oldMethod, newMethod) {
if (!deprecationWarnings_) {
return;
}
console.warn(oldMethod + ' is deprecated, please use ' + newMethod + ' instead.');
}
/**
* Browser detector.
*
* @return {object} result containing browser and version
* properties.
*/
function detectBrowser(window) {
// Returned result object.
var result = {
browser: null,
version: null
}; // Fail early if it's not a browser
if (typeof window === 'undefined' || !window.navigator) {
result.browser = 'Not a browser.';
return result;
}
var {
navigator: navigator
} = window;
if (navigator.mozGetUserMedia) {
// Firefox.
result.browser = 'firefox';
result.version = extractVersion(navigator.userAgent, /Firefox\/(\d+)\./, 1);
} else if (navigator.webkitGetUserMedia || window.isSecureContext === false && window.webkitRTCPeerConnection && !window.RTCIceGatherer) {
// Chrome, Chromium, Webview, Opera.
// Version matches Chrome/WebRTC version.
// Chrome 74 removed webkitGetUserMedia on http as well so we need the
// more complicated fallback to webkitRTCPeerConnection.
result.browser = 'chrome';
result.version = extractVersion(navigator.userAgent, /Chrom(e|ium)\/(\d+)\./, 2);
} else if (navigator.mediaDevices && navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) {
// Edge.
result.browser = 'edge';
result.version = extractVersion(navigator.userAgent, /Edge\/(\d+).(\d+)$/, 2);
} else if (window.RTCPeerConnection && navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) {
// Safari.
result.browser = 'safari';
result.version = extractVersion(navigator.userAgent, /AppleWebKit\/(\d+)\./, 1);
result.supportsUnifiedPlan = window.RTCRtpTransceiver && 'currentDirection' in window.RTCRtpTransceiver.prototype;
} else {
// Default fallthrough: not supported.
result.browser = 'Not a supported browser.';
return result;
}
return result;
}
/**
* Checks if something is an object.
*
* @param {*} val The something you want to check.
* @return true if val is an object, false otherwise.
*/
function isObject(val) {
return Object.prototype.toString.call(val) === '[object Object]';
}
/**
* Remove all empty objects and undefined values
* from a nested object -- an enhanced and vanilla version
* of Lodash's `compact`.
*/
function compactObject(data) {
if (!isObject(data)) {
return data;
}
return Object.keys(data).reduce(function (accumulator, key) {
var isObj = isObject(data[key]);
var value = isObj ? compactObject(data[key]) : data[key];
var isEmptyObject = isObj && !Object.keys(value).length;
if (value === undefined || isEmptyObject) {
return accumulator;
}
return Object.assign(accumulator, _defineProperty({}, key, value));
}, {});
}
/* iterates the stats graph recursively. */
function walkStats(stats, base, resultSet) {
if (!base || resultSet.has(base.id)) {
return;
}
resultSet.set(base.id, base);
Object.keys(base).forEach(function (name) {
if (name.endsWith('Id')) {
walkStats(stats, stats.get(base[name]), resultSet);
} else if (name.endsWith('Ids')) {
base[name].forEach(function (id) {
walkStats(stats, stats.get(id), resultSet);
});
}
});
}
/* filter getStats for a sender/receiver track. */
function filterStats(result, track, outbound) {
var streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';
var filteredResult = new Map();
if (track === null) {
return filteredResult;
}
var trackStats = [];
result.forEach(function (value) {
if (value.type === 'track' && value.trackIdentifier === track.id) {
trackStats.push(value);
}
});
trackStats.forEach(function (trackStat) {
result.forEach(function (stats) {
if (stats.type === streamStatsType && stats.trackId === trackStat.id) {
walkStats(result, stats, filteredResult);
}
});
});
return filteredResult;
}
},{}],"s6SN":[function(require,module,exports) {
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetUserMedia = shimGetUserMedia;
var utils = _interopRequireWildcard(require("../utils.js"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function (obj) { return typeof obj; }; } else { _typeof = function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
var logging = utils.log;
function shimGetUserMedia(window, browserDetails) {
var navigator = window && window.navigator;
if (!navigator.mediaDevices) {
return;
}
var constraintsToChrome_ = function (c) {
if (_typeof(c) !== 'object' || c.mandatory || c.optional) {
return c;
}
var cc = {};
Object.keys(c).forEach(function (key) {
if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
return;
}
var r = _typeof(c[key]) === 'object' ? c[key] : {
ideal: c[key]
};
if (r.exact !== undefined && typeof r.exact === 'number') {
r.min = r.max = r.exact;
}
var oldname_ = function (prefix, name) {
if (prefix) {
return prefix + name.charAt(0).toUpperCase() + name.slice(1);
}
return name === 'deviceId' ? 'sourceId' : name;
};
if (r.ideal !== undefined) {
cc.optional = cc.optional || [];
var oc = {};
if (typeof r.ideal === 'number') {
oc[oldname_('min', key)] = r.ideal;
cc.optional.push(oc);
oc = {};
oc[oldname_('max', key)] = r.ideal;
cc.optional.push(oc);
} else {
oc[oldname_('', key)] = r.ideal;
cc.optional.push(oc);
}
}
if (r.exact !== undefined && typeof r.exact !== 'number') {
cc.mandatory = cc.mandatory || {};
cc.mandatory[oldname_('', key)] = r.exact;
} else {
['min', 'max'].forEach(function (mix) {
if (r[mix] !== undefined) {
cc.mandatory = cc.mandatory || {};
cc.mandatory[oldname_(mix, key)] = r[mix];
}
});
}
});
if (c.advanced) {
cc.optional = (cc.optional || []).concat(c.advanced);
}
return cc;
};
var shimConstraints_ = function (constraints, func) {
if (browserDetails.version >= 61) {
return func(constraints);
}
constraints = JSON.parse(JSON.stringify(constraints));
if (constraints && _typeof(constraints.audio) === 'object') {
var remap = function (obj, a, b) {
if (a in obj && !(b in obj)) {
obj[b] = obj[a];
delete obj[a];
}
};
constraints = JSON.parse(JSON.stringify(constraints));
remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
constraints.audio = constraintsToChrome_(constraints.audio);
}
if (constraints && _typeof(constraints.video) === 'object') {
// Shim facingMode for mobile & surface pro.
var face = constraints.video.facingMode;
face = face && (_typeof(face) === 'object' ? face : {
ideal: face
});
var getSupportedFacingModeLies = browserDetails.version < 66;
if (face && (face.exact === 'user' || face.exact === 'environment' || face.ideal === 'user' || face.ideal === 'environment') && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) {
delete constraints.video.facingMode;
var matches;
if (face.exact === 'environment' || face.ideal === 'environment') {
matches = ['back', 'rear'];
} else if (face.exact === 'user' || face.ideal === 'user') {
matches = ['front'];
}
if (matches) {
// Look for matches in label, or use last cam for back (typical).
return navigator.mediaDevices.enumerateDevices().then(function (devices) {
devices = devices.filter(function (d) {
return d.kind === 'videoinput';
});
var dev = devices.find(function (d) {
return matches.some(function (match) {
return d.label.toLowerCase().includes(match);
});
});
if (!dev && devices.length && matches.includes('back')) {
dev = devices[devices.length - 1]; // more likely the back cam
}
if (dev) {
constraints.video.deviceId = face.exact ? {
exact: dev.deviceId
} : {
ideal: dev.deviceId
};
}
constraints.video = constraintsToChrome_(constraints.video);
logging('chrome: ' + JSON.stringify(constraints));
return func(constraints);
});
}
}
constraints.video = constraintsToChrome_(constraints.video);
}
logging('chrome: ' + JSON.stringify(constraints));
return func(constraints);
};
var shimError_ = function (e) {
if (browserDetails.version >= 64) {
return e;
}
return {
name: {
PermissionDeniedError: 'NotAllowedError',
PermissionDismissedError: 'NotAllowedError',
InvalidStateError: 'NotAllowedError',
DevicesNotFoundError: 'NotFoundError',
ConstraintNotSatisfiedError: 'OverconstrainedError',
TrackStartError: 'NotReadableError',
MediaDeviceFailedDueToShutdown: 'NotAllowedError',
MediaDeviceKillSwitchOn: 'NotAllowedError',
TabCaptureError: 'AbortError',
ScreenCaptureError: 'AbortError',
DeviceCaptureError: 'AbortError'
}[e.name] || e.name,
message: e.message,
constraint: e.constraint || e.constraintName,
toString: function () {
return this.name + (this.message && ': ') + this.message;
}
};
};
var getUserMedia_ = function (constraints, onSuccess, onError) {
shimConstraints_(constraints, function (c) {
navigator.webkitGetUserMedia(c, onSuccess, function (e) {
if (onError) {
onError(shimError_(e));
}
});
});
};
navigator.getUserMedia = getUserMedia_.bind(navigator); // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
// function which returns a Promise, it does not accept spec-style
// constraints.
if (navigator.mediaDevices.getUserMedia) {
var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
navigator.mediaDevices.getUserMedia = function (cs) {
return shimConstraints_(cs, function (c) {
return origGetUserMedia(c).then(function (stream) {
if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) {
stream.getTracks().forEach(function (track) {
track.stop();
});
throw new DOMException('', 'NotFoundError');
}
return stream;
}, function (e) {
return Promise.reject(shimError_(e));
});
});
};
}
}
},{"../utils.js":"iSxC"}],"VHa8":[function(require,module,exports) {
/*
* Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetDisplayMedia = shimGetDisplayMedia;
function shimGetDisplayMedia(window, getSourceId) {
if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
return;
}
if (!window.navigator.mediaDevices) {
return;
} // getSourceId is a function that returns a promise resolving with
// the sourceId of the screen/window/tab to be shared.
if (typeof getSourceId !== 'function') {
console.error('shimGetDisplayMedia: getSourceId argument is not ' + 'a function');
return;
}
window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {
return getSourceId(constraints).then(function (sourceId) {
var widthSpecified = constraints.video && constraints.video.width;
var heightSpecified = constraints.video && constraints.video.height;
var frameRateSpecified = constraints.video && constraints.video.frameRate;
constraints.video = {
mandatory: {
chromeMediaSource: 'desktop',
chromeMediaSourceId: sourceId,
maxFrameRate: frameRateSpecified || 3
}
};
if (widthSpecified) {
constraints.video.mandatory.maxWidth = widthSpecified;
}
if (heightSpecified) {
constraints.video.mandatory.maxHeight = heightSpecified;
}
return window.navigator.mediaDevices.getUserMedia(constraints);
});
};
}
},{}],"uI5X":[function(require,module,exports) {
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimMediaStream = shimMediaStream;
exports.shimOnTrack = shimOnTrack;
exports.shimGetSendersWithDtmf = shimGetSendersWithDtmf;
exports.shimGetStats = shimGetStats;
exports.shimSenderReceiverGetStats = shimSenderReceiverGetStats;
exports.shimAddTrackRemoveTrackWithNative = shimAddTrackRemoveTrackWithNative;
exports.shimAddTrackRemoveTrack = shimAddTrackRemoveTrack;
exports.shimPeerConnection = shimPeerConnection;
exports.fixNegotiationNeeded = fixNegotiationNeeded;
Object.defineProperty(exports, "shimGetUserMedia", {
enumerable: true,
get: function () {
return _getusermedia.shimGetUserMedia;
}
});
Object.defineProperty(exports, "shimGetDisplayMedia", {
enumerable: true,
get: function () {
return _getdisplaymedia.shimGetDisplayMedia;
}
});
var utils = _interopRequireWildcard(require("../utils.js"));
var _getusermedia = require("./getusermedia");
var _getdisplaymedia = require("./getdisplaymedia");
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function (obj) { return typeof obj; }; } else { _typeof = function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function shimMediaStream(window) {
window.MediaStream = window.MediaStream || window.webkitMediaStream;
}
function shimOnTrack(window) {
if (_typeof(window) === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) {
Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
get: function () {
return this._ontrack;
},
set: function (f) {
if (this._ontrack) {
this.removeEventListener('track', this._ontrack);
}
this.addEventListener('track', this._ontrack = f);
},
enumerable: true,
configurable: true
});
var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
var _this = this;
if (!this._ontrackpoly) {
this._ontrackpoly = function (e) {
// onaddstream does not fire when a track is added to an existing
// stream. But stream.onaddtrack is implemented so we use that.
e.stream.addEventListener('addtrack', function (te) {
var receiver;
if (window.RTCPeerConnection.prototype.getReceivers) {
receiver = _this.getReceivers().find(function (r) {
return r.track && r.track.id === te.track.id;
});
} else {
receiver = {
track: te.track
};
}
var event = new Event('track');
event.track = te.track;
event.receiver = receiver;
event.transceiver = {
receiver: receiver
};
event.streams = [e.stream];
_this.dispatchEvent(event);
});
e.stream.getTracks().forEach(function (track) {
var receiver;
if (window.RTCPeerConnection.prototype.getReceivers) {
receiver = _this.getReceivers().find(function (r) {
return r.track && r.track.id === track.id;
});
} else {
receiver = {
track: track
};
}
var event = new Event('track');
event.track = track;
event.receiver = receiver;
event.transceiver = {
receiver: receiver
};
event.streams = [e.stream];
_this.dispatchEvent(event);
});
};
this.addEventListener('addstream', this._ontrackpoly);
}
return origSetRemoteDescription.apply(this, arguments);
};
} else {
// even if RTCRtpTransceiver is in window, it is only used and
// emitted in unified-plan. Unfortunately this means we need
// to unconditionally wrap the event.
utils.wrapPeerConnectionEvent(window, 'track', function (e) {
if (!e.transceiver) {
Object.defineProperty(e, 'transceiver', {
value: {
receiver: e.receiver
}
});
}
return e;
});
}
}
function shimGetSendersWithDtmf(window) {
// Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
if (_typeof(window) === 'object' && window.RTCPeerConnection && !('getSenders' in window.RTCPeerConnection.prototype) && 'createDTMFSender' in window.RTCPeerConnection.prototype) {
var shimSenderWithDtmf = function (pc, track) {
return {
track: track,
get dtmf() {
if (this._dtmf === undefined) {
if (track.kind === 'audio') {
this._dtmf = pc.createDTMFSender(track);
} else {
this._dtmf = null;
}
}
return this._dtmf;
},
_pc: pc
};
}; // augment addTrack when getSenders is not available.
if (!window.RTCPeerConnection.prototype.getSenders) {
window.RTCPeerConnection.prototype.getSenders = function getSenders() {
this._senders = this._senders || [];
return this._senders.slice(); // return a copy of the internal state.
};
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
var sender = origAddTrack.apply(this, arguments);
if (!sender) {
sender = shimSenderWithDtmf(this, track);
this._senders.push(sender);
}
return sender;
};
var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
origRemoveTrack.apply(this, arguments);
var idx = this._senders.indexOf(sender);
if (idx !== -1) {
this._senders.splice(idx, 1);
}
};
}
var origAddStream = window.RTCPeerConnection.prototype.addStream;
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
var _this2 = this;
this._senders = this._senders || [];
origAddStream.apply(this, [stream]);
stream.getTracks().forEach(function (track) {
_this2._senders.push(shimSenderWithDtmf(_this2, track));
});
};
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
var _this3 = this;
this._senders = this._senders || [];
origRemoveStream.apply(this, [stream]);
stream.getTracks().forEach(function (track) {
var sender = _this3._senders.find(function (s) {
return s.track === track;
});
if (sender) {
// remove sender
_this3._senders.splice(_this3._senders.indexOf(sender), 1);
}
});
};
} else if (_typeof(window) === 'object' && window.RTCPeerConnection && 'getSenders' in window.RTCPeerConnection.prototype && 'createDTMFSender' in window.RTCPeerConnection.prototype && window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
window.RTCPeerConnection.prototype.getSenders = function getSenders() {
var _this4 = this;
var senders = origGetSenders.apply(this, []);
senders.forEach(function (sender) {
return sender._pc = _this4;
});
return senders;
};
Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
get: function () {
if (this._dtmf === undefined) {
if (this.track.kind === 'audio') {
this._dtmf = this._pc.createDTMFSender(this.track);
} else {
this._dtmf = null;
}
}
return this._dtmf;
}
});
}
}
function shimGetStats(window) {
if (!window.RTCPeerConnection) {
return;
}
var origGetStats = window.RTCPeerConnection.prototype.getStats;
window.RTCPeerConnection.prototype.getStats = function getStats() {
var _this5 = this;
var [selector, onSucc, onErr] = arguments; // If selector is a function then we are in the old style stats so just
// pass back the original getStats format to avoid breaking old users.
if (arguments.length > 0 && typeof selector === 'function') {
return origGetStats.apply(this, arguments);
} // When spec-style getStats is supported, return those when called with
// either no arguments or the selector argument is null.
if (origGetStats.length === 0 && (arguments.length === 0 || typeof selector !== 'function')) {
return origGetStats.apply(this, []);
}
var fixChromeStats_ = function (response) {
var standardReport = {};
var reports = response.result();
reports.forEach(function (report) {
var standardStats = {
id: report.id,
timestamp: report.timestamp,
type: {
localcandidate: 'local-candidate',
remotecandidate: 'remote-candidate'
}[report.type] || report.type
};
report.names().forEach(function (name) {
standardStats[name] = report.stat(name);
});
standardReport[standardStats.id] = standardStats;
});
return standardReport;
}; // shim getStats with maplike support
var makeMapStats = function (stats) {
return new Map(Object.keys(stats).map(function (key) {
return [key, stats[key]];
}));
};
if (arguments.length >= 2) {
var successCallbackWrapper_ = function (response) {
onSucc(makeMapStats(fixChromeStats_(response)));
};
return origGetStats.apply(this, [successCallbackWrapper_, selector]);
} // promise-support
return new Promise(function (resolve, reject) {
origGetStats.apply(_this5, [function (response) {
resolve(makeMapStats(fixChromeStats_(response)));
}, reject]);
}).then(onSucc, onErr);
};
}
function shimSenderReceiverGetStats(window) {
if (!(_typeof(window) === 'object' && window.RTCPeerConnection && window.RTCRtpSender && window.RTCRtpReceiver)) {
return;
} // shim sender stats.
if (!('getStats' in window.RTCRtpSender.prototype)) {
var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
if (origGetSenders) {
window.RTCPeerConnection.prototype.getSenders = function getSenders() {
var _this6 = this;
var senders = origGetSenders.apply(this, []);
senders.forEach(function (sender) {
return sender._pc = _this6;
});
return senders;
};
}
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
if (origAddTrack) {
window.RTCPeerConnection.prototype.addTrack = function addTrack() {
var sender = origAddTrack.apply(this, arguments);
sender._pc = this;
return sender;
};
}
window.RTCRtpSender.prototype.getStats = function getStats() {
var sender = this;
return this._pc.getStats().then(function (result) {
return (
/* Note: this will include stats of all senders that
* send a track with the same id as sender.track as
* it is not possible to identify the RTCRtpSender.
*/
utils.filterStats(result, sender.track, true)
);
});
};
} // shim receiver stats.
if (!('getStats' in window.RTCRtpReceiver.prototype)) {
var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;
if (origGetReceivers) {
window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {
var _this7 = this;
var receivers = origGetReceivers.apply(this, []);
receivers.forEach(function (receiver) {
return receiver._pc = _this7;
});
return receivers;
};
}
utils.wrapPeerConnectionEvent(window, 'track', function (e) {
e.receiver._pc = e.srcElement;
return e;
});
window.RTCRtpReceiver.prototype.getStats = function getStats() {
var receiver = this;
return this._pc.getStats().then(function (result) {
return utils.filterStats(result, receiver.track, false);
});
};
}
if (!('getStats' in window.RTCRtpSender.prototype && 'getStats' in window.RTCRtpReceiver.prototype)) {
return;
} // shim RTCPeerConnection.getStats(track).
var origGetStats = window.RTCPeerConnection.prototype.getStats;
window.RTCPeerConnection.prototype.getStats = function getStats() {
if (arguments.length > 0 && arguments[0] instanceof window.MediaStreamTrack) {
var track = arguments[0];
var sender;
var receiver;
var err;
this.getSenders().forEach(function (s) {
if (s.track === track) {
if (sender) {
err = true;
} else {
sender = s;
}
}
});
this.getReceivers().forEach(function (r) {
if (r.track === track) {
if (receiver) {
err = true;
} else {
receiver = r;
}
}
return r.track === track;
});
if (err || sender && receiver) {
return Promise.reject(new DOMException('There are more than one sender or receiver for the track.', 'InvalidAccessError'));
} else if (sender) {
return sender.getStats();
} else if (receiver) {
return receiver.getStats();
}
return Promise.reject(new DOMException('There is no sender or receiver for the track.', 'InvalidAccessError'));
}
return origGetStats.apply(this, arguments);
};
}
function shimAddTrackRemoveTrackWithNative(window) {
// shim addTrack/removeTrack with native variants in order to make
// the interactions with legacy getLocalStreams behave as in other browsers.
// Keeps a mapping stream.id => [stream, rtpsenders...]
window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
var _this8 = this;
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
return Object.keys(this._shimmedLocalStreams).map(function (streamId) {
return _this8._shimmedLocalStreams[streamId][0];
});
};
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
if (!stream) {
return origAddTrack.apply(this, arguments);
}
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
var sender = origAddTrack.apply(this, arguments);
if (!this._shimmedLocalStreams[stream.id]) {
this._shimmedLocalStreams[stream.id] = [stream, sender];
} else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {
this._shimmedLocalStreams[stream.id].push(sender);
}
return sender;
};
var origAddStream = window.RTCPeerConnection.prototype.addStream;
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
var _this9 = this;
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
stream.getTracks().forEach(function (track) {
var alreadyExists = _this9.getSenders().find(function (s) {
return s.track === track;
});
if (alreadyExists) {
throw new DOMException('Track already exists.', 'InvalidAccessError');
}
});
var existingSenders = this.getSenders();
origAddStream.apply(this, arguments);
var newSenders = this.getSenders().filter(function (newSender) {
return existingSenders.indexOf(newSender) === -1;
});
this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
};
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
delete this._shimmedLocalStreams[stream.id];
return origRemoveStream.apply(this, arguments);
};
var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
var _this10 = this;
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
if (sender) {
Object.keys(this._shimmedLocalStreams).forEach(function (streamId) {
var idx = _this10._shimmedLocalStreams[streamId].indexOf(sender);
if (idx !== -1) {
_this10._shimmedLocalStreams[streamId].splice(idx, 1);
}
if (_this10._shimmedLocalStreams[streamId].length === 1) {
delete _this10._shimmedLocalStreams[streamId];
}
});
}
return origRemoveTrack.apply(this, arguments);
};
}
function shimAddTrackRemoveTrack(window, browserDetails) {
if (!window.RTCPeerConnection) {
return;
} // shim addTrack and removeTrack.
if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) {
return shimAddTrackRemoveTrackWithNative(window);
} // also shim pc.getLocalStreams when addTrack is shimmed
// to return the original streams.
var origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;
window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
var _this11 = this;
var nativeStreams = origGetLocalStreams.apply(this);
this._reverseStreams = this._reverseStreams || {};
return nativeStreams.map(function (stream) {
return _this11._reverseStreams[stream.id];
});
};
var origAddStream = window.RTCPeerConnection.prototype.addStream;
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
var _this12 = this;
this._streams = this._streams || {};
this._reverseStreams = this._reverseStreams || {};
stream.getTracks().forEach(function (track) {
var alreadyExists = _this12.getSenders().find(function (s) {
return s.track === track;
});
if (alreadyExists) {
throw new DOMException('Track already exists.', 'InvalidAccessError');
}
}); // Add identity mapping for consistency with addTrack.
// Unless this is being used with a stream from addTrack.
if (!this._reverseStreams[stream.id]) {
var newStream = new window.MediaStream(stream.getTracks());
this._streams[stream.id] = newStream;
this._reverseStreams[newStream.id] = stream;
stream = newStream;
}
origAddStream.apply(this, [stream]);
};
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
this._streams = this._streams || {};
this._reverseStreams = this._reverseStreams || {};
origRemoveStream.apply(this, [this._streams[stream.id] || stream]);
delete this._reverseStreams[this._streams[stream.id] ? this._streams[stream.id].id : stream.id];
delete this._streams[stream.id];
};
window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {
var _this13 = this;
if (this.signalingState === 'closed') {
throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.', 'InvalidStateError');
}
var streams = [].slice.call(arguments, 1);
if (streams.length !== 1 || !streams[0].getTracks().find(function (t) {
return t === track;
})) {
// this is not fully correct but all we can manage without
// [[associated MediaStreams]] internal slot.
throw new DOMException('The adapter.js addTrack polyfill only supports a single ' + ' stream which is associated with the specified track.', 'NotSupportedError');
}
var alreadyExists = this.getSenders().find(function (s) {
return s.track === track;
});
if (alreadyExists) {
throw new DOMException('Track already exists.', 'InvalidAccessError');
}
this._streams = this._streams || {};
this._reverseStreams = this._reverseStreams || {};
var oldStream = this._streams[stream.id];
if (oldStream) {
// this is using odd Chrome behaviour, use with caution:
// https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
// Note: we rely on the high-level addTrack/dtmf shim to
// create the sender with a dtmf sender.
oldStream.addTrack(track); // Trigger ONN async.
Promise.resolve().then(function () {
_this13.dispatchEvent(new Event('negotiationneeded'));
});
} else {
var newStream = new window.MediaStream([track]);
this._streams[stream.id] = newStream;
this._reverseStreams[newStream.id] = stream;
this.addStream(newStream);
}
return this.getSenders().find(function (s) {
return s.track === track;
});
}; // replace the internal stream id with the external one and
// vice versa.
function replaceInternalStreamId(pc, description) {
var sdp = description.sdp;
Object.keys(pc._reverseStreams || []).forEach(function (internalId) {
var externalStream = pc._reverseStreams[internalId];
var internalStream = pc._streams[externalStream.id];
sdp = sdp.replace(new RegExp(internalStream.id, 'g'), externalStream.id);
});
return new RTCSessionDescription({
type: description.type,
sdp: sdp
});
}
function replaceExternalStreamId(pc, description) {
var sdp = description.sdp;
Object.keys(pc._reverseStreams || []).forEach(function (internalId) {
var externalStream = pc._reverseStreams[internalId];
var internalStream = pc._streams[externalStream.id];
sdp = sdp.replace(new RegExp(externalStream.id, 'g'), internalStream.id);
});
return new RTCSessionDescription({
type: description.type,
sdp: sdp
});
}
['createOffer', 'createAnswer'].forEach(function (method) {
var nativeMethod = window.RTCPeerConnection.prototype[method];
var methodObj = _defineProperty({}, method, function () {
var _this14 = this;
var args = arguments;
var isLegacyCall = arguments.length && typeof arguments[0] === 'function';
if (isLegacyCall) {
return nativeMethod.apply(this, [function (description) {
var desc = replaceInternalStreamId(_this14, description);
args[0].apply(null, [desc]);
}, function (err) {
if (args[1]) {
args[1].apply(null, err);
}
}, arguments[2]]);
}
return nativeMethod.apply(this, arguments).then(function (description) {
return replaceInternalStreamId(_this14, description);
});
});
window.RTCPeerConnection.prototype[method] = methodObj[method];
});
var origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;
window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {
if (!arguments.length || !arguments[0].type) {
return origSetLocalDescription.apply(this, arguments);
}
arguments[0] = replaceExternalStreamId(this, arguments[0]);
return origSetLocalDescription.apply(this, arguments);
}; // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
var origLocalDescription = Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype, 'localDescription');
Object.defineProperty(window.RTCPeerConnection.prototype, 'localDescription', {
get: function () {
var description = origLocalDescription.get.apply(this);
if (description.type === '') {
return description;
}
return replaceInternalStreamId(this, description);
}
});
window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {
var _this15 = this;
if (this.signalingState === 'closed') {
throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.', 'InvalidStateError');
} // We can not yet check for sender instanceof RTCRtpSender
// since we shim RTPSender. So we check if sender._pc is set.
if (!sender._pc) {
throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' + 'does not implement interface RTCRtpSender.', 'TypeError');
}
var isLocal = sender._pc === this;
if (!isLocal) {
throw new DOMException('Sender was not created by this connection.', 'InvalidAccessError');
} // Search for the native stream the senders track belongs to.
this._streams = this._streams || {};
var stream;
Object.keys(this._streams).forEach(function (streamid) {
var hasTrack = _this15._streams[streamid].getTracks().find(function (track) {
return sender.track === track;
});
if (hasTrack) {
stream = _this15._streams[streamid];
}
});
if (stream) {
if (stream.getTracks().length === 1) {
// if this is the last track of the stream, remove the stream. This
// takes care of any shimmed _senders.
this.removeStream(this._reverseStreams[stream.id]);
} else {
// relying on the same odd chrome behaviour as above.
stream.removeTrack(sender.track);
}
this.dispatchEvent(new Event('negotiationneeded'));
}
};
}
function shimPeerConnection(window, browserDetails) {
if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
// very basic support for old versions.
window.RTCPeerConnection = window.webkitRTCPeerConnection;
}
if (!window.RTCPeerConnection) {
return;
} // shim implicit creation of RTCSessionDescription/RTCIceCandidate
if (browserDetails.version < 53) {
['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {
var nativeMethod = window.RTCPeerConnection.prototype[method];
var methodObj = _defineProperty({}, method, function () {
arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);
return nativeMethod.apply(this, arguments);
});
window.RTCPeerConnection.prototype[method] = methodObj[method];
});
}
} // Attempt to fix ONN in plan-b mode.
function fixNegotiationNeeded(window, browserDetails) {
utils.wrapPeerConnectionEvent(window, 'negotiationneeded', function (e) {
var pc = e.target;
if (browserDetails.version < 72 || pc.getConfiguration && pc.getConfiguration().sdpSemantics === 'plan-b') {
if (pc.signalingState !== 'stable') {
return;
}
}
return e;
});
}
},{"../utils.js":"iSxC","./getusermedia":"s6SN","./getdisplaymedia":"VHa8"}],"NZ1C":[function(require,module,exports) {
/*
* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.filterIceServers = filterIceServers;
var utils = _interopRequireWildcard(require("../utils"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
// Edge does not like
// 1) stun: filtered after 14393 unless ?transport=udp is present
// 2) turn: that does not have all of turn:host:port?transport=udp
// 3) turn: with ipv6 addresses
// 4) turn: occurring muliple times
function filterIceServers(iceServers, edgeVersion) {
var hasTurn = false;
iceServers = JSON.parse(JSON.stringify(iceServers));
return iceServers.filter(function (server) {
if (server && (server.urls || server.url)) {
var urls = server.urls || server.url;
if (server.url && !server.urls) {
utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
}
var isString = typeof urls === 'string';
if (isString) {
urls = [urls];
}
urls = urls.filter(function (url) {
// filter STUN unconditionally.
if (url.indexOf('stun:') === 0) {
return false;
}
var validTurn = url.startsWith('turn') && !url.startsWith('turn:[') && url.includes('transport=udp');
if (validTurn && !hasTurn) {
hasTurn = true;
return true;
}
return validTurn && !hasTurn;
});
delete server.url;
server.urls = isString ? urls[0] : urls;
return !!urls.length;
}
});
}
},{"../utils":"iSxC"}],"YHvh":[function(require,module,exports) {
/* eslint-env node */
'use strict';
// SDP helpers.
var SDPUtils = {};
// Generate an alphanumeric identifier for cname or mids.
// TODO: use UUIDs instead? https://gist.github.com/jed/982883
SDPUtils.generateIdentifier = function() {
return Math.random().toString(36).substr(2, 10);
};
// The RTCP CNAME used by all peerconnections from the same JS.
SDPUtils.localCName = SDPUtils.generateIdentifier();
// Splits SDP into lines, dealing with both CRLF and LF.
SDPUtils.splitLines = function(blob) {
return blob.trim().split('\n').map(function(line) {
return line.trim();
});
};
// Splits SDP into sessionpart and mediasections. Ensures CRLF.
SDPUtils.splitSections = function(blob) {
var parts = blob.split('\nm=');
return parts.map(function(part, index) {
return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
});
};
// returns the session description.
SDPUtils.getDescription = function(blob) {
var sections = SDPUtils.splitSections(blob);
return sections && sections[0];
};
// returns the individual media sections.
SDPUtils.getMediaSections = function(blob) {
var sections = SDPUtils.splitSections(blob);
sections.shift();
return sections;
};
// Returns lines that start with a certain prefix.
SDPUtils.matchPrefix = function(blob, prefix) {
return SDPUtils.splitLines(blob).filter(function(line) {
return line.indexOf(prefix) === 0;
});
};
// Parses an ICE candidate line. Sample input:
// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
// rport 55996"
SDPUtils.parseCandidate = function(line) {
var parts;
// Parse both variants.
if (line.indexOf('a=candidate:') === 0) {
parts = line.substring(12).split(' ');
} else {
parts = line.substring(10).split(' ');
}
var candidate = {
foundation: parts[0],
component: parseInt(parts[1], 10),
protocol: parts[2].toLowerCase(),
priority: parseInt(parts[3], 10),
ip: parts[4],
address: parts[4], // address is an alias for ip.
port: parseInt(parts[5], 10),
// skip parts[6] == 'typ'
type: parts[7]
};
for (var i = 8; i < parts.length; i += 2) {
switch (parts[i]) {
case 'raddr':
candidate.relatedAddress = parts[i + 1];
break;
case 'rport':
candidate.relatedPort = parseInt(parts[i + 1], 10);
break;
case 'tcptype':
candidate.tcpType = parts[i + 1];
break;
case 'ufrag':
candidate.ufrag = parts[i + 1]; // for backward compability.
candidate.usernameFragment = parts[i + 1];
break;
default: // extension handling, in particular ufrag
candidate[parts[i]] = parts[i + 1];
break;
}
}
return candidate;
};
// Translates a candidate object into SDP candidate attribute.
SDPUtils.writeCandidate = function(candidate) {
var sdp = [];
sdp.push(candidate.foundation);
sdp.push(candidate.component);
sdp.push(candidate.protocol.toUpperCase());
sdp.push(candidate.priority);
sdp.push(candidate.address || candidate.ip);
sdp.push(candidate.port);
var type = candidate.type;
sdp.push('typ');
sdp.push(type);
if (type !== 'host' && candidate.relatedAddress &&
candidate.relatedPort) {
sdp.push('raddr');
sdp.push(candidate.relatedAddress);
sdp.push('rport');
sdp.push(candidate.relatedPort);
}
if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
sdp.push('tcptype');
sdp.push(candidate.tcpType);
}
if (candidate.usernameFragment || candidate.ufrag) {
sdp.push('ufrag');
sdp.push(candidate.usernameFragment || candidate.ufrag);
}
return 'candidate:' + sdp.join(' ');
};
// Parses an ice-options line, returns an array of option tags.
// a=ice-options:foo bar
SDPUtils.parseIceOptions = function(line) {
return line.substr(14).split(' ');
};
// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
// a=rtpmap:111 opus/48000/2
SDPUtils.parseRtpMap = function(line) {
var parts = line.substr(9).split(' ');
var parsed = {
payloadType: parseInt(parts.shift(), 10) // was: id
};
parts = parts[0].split('/');
parsed.name = parts[0];
parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
// legacy alias, got renamed back to channels in ORTC.
parsed.numChannels = parsed.channels;
return parsed;
};
// Generate an a=rtpmap line from RTCRtpCodecCapability or
// RTCRtpCodecParameters.
SDPUtils.writeRtpMap = function(codec) {
var pt = codec.payloadType;
if (codec.preferredPayloadType !== undefined) {
pt = codec.preferredPayloadType;
}
var channels = codec.channels || codec.numChannels || 1;
return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
(channels !== 1 ? '/' + channels : '') + '\r\n';
};
// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
SDPUtils.parseExtmap = function(line) {
var parts = line.substr(9).split(' ');
return {
id: parseInt(parts[0], 10),
direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
uri: parts[1]
};
};
// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
// RTCRtpHeaderExtension.
SDPUtils.writeExtmap = function(headerExtension) {
return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
(headerExtension.direction && headerExtension.direction !== 'sendrecv'
? '/' + headerExtension.direction
: '') +
' ' + headerExtension.uri + '\r\n';
};
// Parses an ftmp line, returns dictionary. Sample input:
// a=fmtp:96 vbr=on;cng=on
// Also deals with vbr=on; cng=on
SDPUtils.parseFmtp = function(line) {
var parsed = {};
var kv;
var parts = line.substr(line.indexOf(' ') + 1).split(';');
for (var j = 0; j < parts.length; j++) {
kv = parts[j].trim().split('=');
parsed[kv[0].trim()] = kv[1];
}
return parsed;
};
// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
SDPUtils.writeFmtp = function(codec) {
var line = '';
var pt = codec.payloadType;
if (codec.preferredPayloadType !== undefined) {
pt = codec.preferredPayloadType;
}
if (codec.parameters && Object.keys(codec.parameters).length) {
var params = [];
Object.keys(codec.parameters).forEach(function(param) {
if (codec.parameters[param]) {
params.push(param + '=' + codec.parameters[param]);
} else {
params.push(param);
}
});
line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
}
return line;
};
// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
// a=rtcp-fb:98 nack rpsi
SDPUtils.parseRtcpFb = function(line) {
var parts = line.substr(line.indexOf(' ') + 1).split(' ');
return {
type: parts.shift(),
parameter: parts.join(' ')
};
};
// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
SDPUtils.writeRtcpFb = function(codec) {
var lines = '';
var pt = codec.payloadType;
if (codec.preferredPayloadType !== undefined) {
pt = codec.preferredPayloadType;
}
if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
// FIXME: special handling for trr-int?
codec.rtcpFeedback.forEach(function(fb) {
lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
(fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
'\r\n';
});
}
return lines;
};
// Parses an RFC 5576 ssrc media attribute. Sample input:
// a=ssrc:3735928559 cname:something
SDPUtils.parseSsrcMedia = function(line) {
var sp = line.indexOf(' ');
var parts = {
ssrc: parseInt(line.substr(7, sp - 7), 10)
};
var colon = line.indexOf(':', sp);
if (colon > -1) {
parts.attribute = line.substr(sp + 1, colon - sp - 1);
parts.value = line.substr(colon + 1);
} else {
parts.attribute = line.substr(sp + 1);
}
return parts;
};
SDPUtils.parseSsrcGroup = function(line) {
var parts = line.substr(13).split(' ');
return {
semantics: parts.shift(),
ssrcs: parts.map(function(ssrc) {
return parseInt(ssrc, 10);
})
};
};
// Extracts the MID (RFC 5888) from a media section.
// returns the MID or undefined if no mid line was found.
SDPUtils.getMid = function(mediaSection) {
var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
if (mid) {
return mid.substr(6);
}
};
SDPUtils.parseFingerprint = function(line) {
var parts = line.substr(14).split(' ');
return {
algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
value: parts[1]
};
};
// Extracts DTLS parameters from SDP media section or sessionpart.
// FIXME: for consistency with other functions this should only
// get the fingerprint line as input. See also getIceParameters.
SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
'a=fingerprint:');
// Note: a=setup line is ignored since we use the 'auto' role.
// Note2: 'algorithm' is not case sensitive except in Edge.
return {
role: 'auto',
fingerprints: lines.map(SDPUtils.parseFingerprint)
};
};
// Serializes DTLS parameters to SDP.
SDPUtils.writeDtlsParameters = function(params, setupType) {
var sdp = 'a=setup:' + setupType + '\r\n';
params.fingerprints.forEach(function(fp) {
sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
});
return sdp;
};
// Parses a=crypto lines into
// https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#dictionary-rtcsrtpsdesparameters-members
SDPUtils.parseCryptoLine = function(line) {
var parts = line.substr(9).split(' ');
return {
tag: parseInt(parts[0], 10),
cryptoSuite: parts[1],
keyParams: parts[2],
sessionParams: parts.slice(3),
};
};
SDPUtils.writeCryptoLine = function(parameters) {
return 'a=crypto:' + parameters.tag + ' ' +
parameters.cryptoSuite + ' ' +
(typeof parameters.keyParams === 'object'
? SDPUtils.writeCryptoKeyParams(parameters.keyParams)
: parameters.keyParams) +
(parameters.sessionParams ? ' ' + parameters.sessionParams.join(' ') : '') +
'\r\n';
};
// Parses the crypto key parameters into
// https://rawgit.com/aboba/edgertc/master/msortc-rs4.html#rtcsrtpkeyparam*
SDPUtils.parseCryptoKeyParams = function(keyParams) {
if (keyParams.indexOf('inline:') !== 0) {
return null;
}
var parts = keyParams.substr(7).split('|');
return {
keyMethod: 'inline',
keySalt: parts[0],
lifeTime: parts[1],
mkiValue: parts[2] ? parts[2].split(':')[0] : undefined,
mkiLength: parts[2] ? parts[2].split(':')[1] : undefined,
};
};
SDPUtils.writeCryptoKeyParams = function(keyParams) {
return keyParams.keyMethod + ':'
+ keyParams.keySalt +
(keyParams.lifeTime ? '|' + keyParams.lifeTime : '') +
(keyParams.mkiValue && keyParams.mkiLength
? '|' + keyParams.mkiValue + ':' + keyParams.mkiLength
: '');
};
// Extracts all SDES paramters.
SDPUtils.getCryptoParameters = function(mediaSection, sessionpart) {
var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
'a=crypto:');
return lines.map(SDPUtils.parseCryptoLine);
};
// Parses ICE information from SDP media section or sessionpart.
// FIXME: for consistency with other functions this should only
// get the ice-ufrag and ice-pwd lines as input.
SDPUtils.getIceParameters = function(mediaSection, sessionpart) {
var ufrag = SDPUtils.matchPrefix(mediaSection + sessionpart,
'a=ice-ufrag:')[0];
var pwd = SDPUtils.matchPrefix(mediaSection + sessionpart,
'a=ice-pwd:')[0];
if (!(ufrag && pwd)) {
return null;
}
return {
usernameFragment: ufrag.substr(12),
password: pwd.substr(10),
};
};
// Serializes ICE parameters to SDP.
SDPUtils.writeIceParameters = function(params) {
return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
'a=ice-pwd:' + params.password + '\r\n';
};
// Parses the SDP media section and returns RTCRtpParameters.
SDPUtils.parseRtpParameters = function(mediaSection) {
var description = {
codecs: [],
headerExtensions: [],
fecMechanisms: [],
rtcp: []
};
var lines = SDPUtils.splitLines(mediaSection);
var mline = lines[0].split(' ');
for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
var pt = mline[i];
var rtpmapline = SDPUtils.matchPrefix(
mediaSection, 'a=rtpmap:' + pt + ' ')[0];
if (rtpmapline) {
var codec = SDPUtils.parseRtpMap(rtpmapline);
var fmtps = SDPUtils.matchPrefix(
mediaSection, 'a=fmtp:' + pt + ' ');
// Only the first a=fmtp:<pt> is considered.
codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
codec.rtcpFeedback = SDPUtils.matchPrefix(
mediaSection, 'a=rtcp-fb:' + pt + ' ')
.map(SDPUtils.parseRtcpFb);
description.codecs.push(codec);
// parse FEC mechanisms from rtpmap lines.
switch (codec.name.toUpperCase()) {
case 'RED':
case 'ULPFEC':
description.fecMechanisms.push(codec.name.toUpperCase());
break;
default: // only RED and ULPFEC are recognized as FEC mechanisms.
break;
}
}
}
SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {
description.headerExtensions.push(SDPUtils.parseExtmap(line));
});
// FIXME: parse rtcp.
return description;
};
// Generates parts of the SDP media section describing the capabilities /
// parameters.
SDPUtils.writeRtpDescription = function(kind, caps) {
var sdp = '';
// Build the mline.
sdp += 'm=' + kind + ' ';
sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
sdp += ' UDP/TLS/RTP/SAVPF ';
sdp += caps.codecs.map(function(codec) {
if (codec.preferredPayloadType !== undefined) {
return codec.preferredPayloadType;
}
return codec.payloadType;
}).join(' ') + '\r\n';
sdp += 'c=IN IP4 0.0.0.0\r\n';
sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
// Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
caps.codecs.forEach(function(codec) {
sdp += SDPUtils.writeRtpMap(codec);
sdp += SDPUtils.writeFmtp(codec);
sdp += SDPUtils.writeRtcpFb(codec);
});
var maxptime = 0;
caps.codecs.forEach(function(codec) {
if (codec.maxptime > maxptime) {
maxptime = codec.maxptime;
}
});
if (maxptime > 0) {
sdp += 'a=maxptime:' + maxptime + '\r\n';
}
sdp += 'a=rtcp-mux\r\n';
if (caps.headerExtensions) {
caps.headerExtensions.forEach(function(extension) {
sdp += SDPUtils.writeExtmap(extension);
});
}
// FIXME: write fecMechanisms.
return sdp;
};
// Parses the SDP media section and returns an array of
// RTCRtpEncodingParameters.
SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
var encodingParameters = [];
var description = SDPUtils.parseRtpParameters(mediaSection);
var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
// filter a=ssrc:... cname:, ignore PlanB-msid
var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
.map(function(line) {
return SDPUtils.parseSsrcMedia(line);
})
.filter(function(parts) {
return parts.attribute === 'cname';
});
var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
var secondarySsrc;
var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
.map(function(line) {
var parts = line.substr(17).split(' ');
return parts.map(function(part) {
return parseInt(part, 10);
});
});
if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
secondarySsrc = flows[0][1];
}
description.codecs.forEach(function(codec) {
if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
var encParam = {
ssrc: primarySsrc,
codecPayloadType: parseInt(codec.parameters.apt, 10)
};
if (primarySsrc && secondarySsrc) {
encParam.rtx = {ssrc: secondarySsrc};
}
encodingParameters.push(encParam);
if (hasRed) {
encParam = JSON.parse(JSON.stringify(encParam));
encParam.fec = {
ssrc: primarySsrc,
mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
};
encodingParameters.push(encParam);
}
}
});
if (encodingParameters.length === 0 && primarySsrc) {
encodingParameters.push({
ssrc: primarySsrc
});
}
// we support both b=AS and b=TIAS but interpret AS as TIAS.
var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
if (bandwidth.length) {
if (bandwidth[0].indexOf('b=TIAS:') === 0) {
bandwidth = parseInt(bandwidth[0].substr(7), 10);
} else if (bandwidth[0].indexOf('b=AS:') === 0) {
// use formula from JSEP to convert b=AS to TIAS value.
bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
- (50 * 40 * 8);
} else {
bandwidth = undefined;
}
encodingParameters.forEach(function(params) {
params.maxBitrate = bandwidth;
});
}
return encodingParameters;
};
// parses http://draft.ortc.org/#rtcrtcpparameters*
SDPUtils.parseRtcpParameters = function(mediaSection) {
var rtcpParameters = {};
// Gets the first SSRC. Note tha with RTX there might be multiple
// SSRCs.
var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
.map(function(line) {
return SDPUtils.parseSsrcMedia(line);
})
.filter(function(obj) {
return obj.attribute === 'cname';
})[0];
if (remoteSsrc) {
rtcpParameters.cname = remoteSsrc.value;
rtcpParameters.ssrc = remoteSsrc.ssrc;
}
// Edge uses the compound attribute instead of reducedSize
// compound is !reducedSize
var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
rtcpParameters.reducedSize = rsize.length > 0;
rtcpParameters.compound = rsize.length === 0;
// parses the rtcp-mux attrіbute.
// Note that Edge does not support unmuxed RTCP.
var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
rtcpParameters.mux = mux.length > 0;
return rtcpParameters;
};
// parses either a=msid: or a=ssrc:... msid lines and returns
// the id of the MediaStream and MediaStreamTrack.
SDPUtils.parseMsid = function(mediaSection) {
var parts;
var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
if (spec.length === 1) {
parts = spec[0].substr(7).split(' ');
return {stream: parts[0], track: parts[1]};
}
var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
.map(function(line) {
return SDPUtils.parseSsrcMedia(line);
})
.filter(function(msidParts) {
return msidParts.attribute === 'msid';
});
if (planB.length > 0) {
parts = planB[0].value.split(' ');
return {stream: parts[0], track: parts[1]};
}
};
// SCTP
// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back
// to draft-ietf-mmusic-sctp-sdp-05
SDPUtils.parseSctpDescription = function(mediaSection) {
var mline = SDPUtils.parseMLine(mediaSection);
var maxSizeLine = SDPUtils.matchPrefix(mediaSection, 'a=max-message-size:');
var maxMessageSize;
if (maxSizeLine.length > 0) {
maxMessageSize = parseInt(maxSizeLine[0].substr(19), 10);
}
if (isNaN(maxMessageSize)) {
maxMessageSize = 65536;
}
var sctpPort = SDPUtils.matchPrefix(mediaSection, 'a=sctp-port:');
if (sctpPort.length > 0) {
return {
port: parseInt(sctpPort[0].substr(12), 10),
protocol: mline.fmt,
maxMessageSize: maxMessageSize
};
}
var sctpMapLines = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:');
if (sctpMapLines.length > 0) {
var parts = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:')[0]
.substr(10)
.split(' ');
return {
port: parseInt(parts[0], 10),
protocol: parts[1],
maxMessageSize: maxMessageSize
};
}
};
// SCTP
// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers
// support by now receiving in this format, unless we originally parsed
// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line
// protocol of DTLS/SCTP -- without UDP/ or TCP/)
SDPUtils.writeSctpDescription = function(media, sctp) {
var output = [];
if (media.protocol !== 'DTLS/SCTP') {
output = [
'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.protocol + '\r\n',
'c=IN IP4 0.0.0.0\r\n',
'a=sctp-port:' + sctp.port + '\r\n'
];
} else {
output = [
'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.port + '\r\n',
'c=IN IP4 0.0.0.0\r\n',
'a=sctpmap:' + sctp.port + ' ' + sctp.protocol + ' 65535\r\n'
];
}
if (sctp.maxMessageSize !== undefined) {
output.push('a=max-message-size:' + sctp.maxMessageSize + '\r\n');
}
return output.join('');
};
// Generate a session ID for SDP.
// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
// recommends using a cryptographically random +ve 64-bit value
// but right now this should be acceptable and within the right range
SDPUtils.generateSessionId = function() {
return Math.random().toString().substr(2, 21);
};
// Write boilder plate for start of SDP
// sessId argument is optional - if not supplied it will
// be generated randomly
// sessVersion is optional and defaults to 2
// sessUser is optional and defaults to 'thisisadapterortc'
SDPUtils.writeSessionBoilerplate = function(sessId, sessVer, sessUser) {
var sessionId;
var version = sessVer !== undefined ? sessVer : 2;
if (sessId) {
sessionId = sessId;
} else {
sessionId = SDPUtils.generateSessionId();
}
var user = sessUser || 'thisisadapterortc';
// FIXME: sess-id should be an NTP timestamp.
return 'v=0\r\n' +
'o=' + user + ' ' + sessionId + ' ' + version +
' IN IP4 127.0.0.1\r\n' +
's=-\r\n' +
't=0 0\r\n';
};
SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {
var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
// Map ICE parameters (ufrag, pwd) to SDP.
sdp += SDPUtils.writeIceParameters(
transceiver.iceGatherer.getLocalParameters());
// Map DTLS parameters to SDP.
sdp += SDPUtils.writeDtlsParameters(
transceiver.dtlsTransport.getLocalParameters(),
type === 'offer' ? 'actpass' : 'active');
sdp += 'a=mid:' + transceiver.mid + '\r\n';
if (transceiver.direction) {
sdp += 'a=' + transceiver.direction + '\r\n';
} else if (transceiver.rtpSender && transceiver.rtpReceiver) {
sdp += 'a=sendrecv\r\n';
} else if (transceiver.rtpSender) {
sdp += 'a=sendonly\r\n';
} else if (transceiver.rtpReceiver) {
sdp += 'a=recvonly\r\n';
} else {
sdp += 'a=inactive\r\n';
}
if (transceiver.rtpSender) {
// spec.
var msid = 'msid:' + stream.id + ' ' +
transceiver.rtpSender.track.id + '\r\n';
sdp += 'a=' + msid;
// for Chrome.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
' ' + msid;
if (transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
' ' + msid;
sdp += 'a=ssrc-group:FID ' +
transceiver.sendEncodingParameters[0].ssrc + ' ' +
transceiver.sendEncodingParameters[0].rtx.ssrc +
'\r\n';
}
}
// FIXME: this should be written by writeRtpDescription.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
' cname:' + SDPUtils.localCName + '\r\n';
if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
' cname:' + SDPUtils.localCName + '\r\n';
}
return sdp;
};
// Gets the direction from the mediaSection or the sessionpart.
SDPUtils.getDirection = function(mediaSection, sessionpart) {
// Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
var lines = SDPUtils.splitLines(mediaSection);
for (var i = 0; i < lines.length; i++) {
switch (lines[i]) {
case 'a=sendrecv':
case 'a=sendonly':
case 'a=recvonly':
case 'a=inactive':
return lines[i].substr(2);
default:
// FIXME: What should happen here?
}
}
if (sessionpart) {
return SDPUtils.getDirection(sessionpart);
}
return 'sendrecv';
};
SDPUtils.getKind = function(mediaSection) {
var lines = SDPUtils.splitLines(mediaSection);
var mline = lines[0].split(' ');
return mline[0].substr(2);
};
SDPUtils.isRejected = function(mediaSection) {
return mediaSection.split(' ', 2)[1] === '0';
};
SDPUtils.parseMLine = function(mediaSection) {
var lines = SDPUtils.splitLines(mediaSection);
var parts = lines[0].substr(2).split(' ');
return {
kind: parts[0],
port: parseInt(parts[1], 10),
protocol: parts[2],
fmt: parts.slice(3).join(' ')
};
};
SDPUtils.parseOLine = function(mediaSection) {
var line = SDPUtils.matchPrefix(mediaSection, 'o=')[0];
var parts = line.substr(2).split(' ');
return {
username: parts[0],
sessionId: parts[1],
sessionVersion: parseInt(parts[2], 10),
netType: parts[3],
addressType: parts[4],
address: parts[5]
};
};
// a very naive interpretation of a valid SDP.
SDPUtils.isValidSDP = function(blob) {
if (typeof blob !== 'string' || blob.length === 0) {
return false;
}
var lines = SDPUtils.splitLines(blob);
for (var i = 0; i < lines.length; i++) {
if (lines[i].length < 2 || lines[i].charAt(1) !== '=') {
return false;
}
// TODO: check the modifier a bit more.
}
return true;
};
// Expose public methods.
if (typeof module === 'object') {
module.exports = SDPUtils;
}
},{}],"NJ2u":[function(require,module,exports) {
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var SDPUtils = require('sdp');
function fixStatsType(stat) {
return {
inboundrtp: 'inbound-rtp',
outboundrtp: 'outbound-rtp',
candidatepair: 'candidate-pair',
localcandidate: 'local-candidate',
remotecandidate: 'remote-candidate'
}[stat.type] || stat.type;
}
function writeMediaSection(transceiver, caps, type, stream, dtlsRole) {
var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps); // Map ICE parameters (ufrag, pwd) to SDP.
sdp += SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters()); // Map DTLS parameters to SDP.
sdp += SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(), type === 'offer' ? 'actpass' : dtlsRole || 'active');
sdp += 'a=mid:' + transceiver.mid + '\r\n';
if (transceiver.rtpSender && transceiver.rtpReceiver) {
sdp += 'a=sendrecv\r\n';
} else if (transceiver.rtpSender) {
sdp += 'a=sendonly\r\n';
} else if (transceiver.rtpReceiver) {
sdp += 'a=recvonly\r\n';
} else {
sdp += 'a=inactive\r\n';
}
if (transceiver.rtpSender) {
var trackId = transceiver.rtpSender._initialTrackId || transceiver.rtpSender.track.id;
transceiver.rtpSender._initialTrackId = trackId; // spec.
var msid = 'msid:' + (stream ? stream.id : '-') + ' ' + trackId + '\r\n';
sdp += 'a=' + msid; // for Chrome. Legacy should no longer be required.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc + ' ' + msid; // RTX
if (transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc + ' ' + msid;
sdp += 'a=ssrc-group:FID ' + transceiver.sendEncodingParameters[0].ssrc + ' ' + transceiver.sendEncodingParameters[0].rtx.ssrc + '\r\n';
}
} // FIXME: this should be written by writeRtpDescription.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc + ' cname:' + SDPUtils.localCName + '\r\n';
if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc + ' cname:' + SDPUtils.localCName + '\r\n';
}
return sdp;
} // Edge does not like
// 1) stun: filtered after 14393 unless ?transport=udp is present
// 2) turn: that does not have all of turn:host:port?transport=udp
// 3) turn: with ipv6 addresses
// 4) turn: occurring muliple times
function filterIceServers(iceServers, edgeVersion) {
var hasTurn = false;
iceServers = JSON.parse(JSON.stringify(iceServers));
return iceServers.filter(function (server) {
if (server && (server.urls || server.url)) {
var urls = server.urls || server.url;
if (server.url && !server.urls) {
console.warn('RTCIceServer.url is deprecated! Use urls instead.');
}
var isString = typeof urls === 'string';
if (isString) {
urls = [urls];
}
urls = urls.filter(function (url) {
var validTurn = url.indexOf('turn:') === 0 && url.indexOf('transport=udp') !== -1 && url.indexOf('turn:[') === -1 && !hasTurn;
if (validTurn) {
hasTurn = true;
return true;
}
return url.indexOf('stun:') === 0 && edgeVersion >= 14393 && url.indexOf('?transport=udp') === -1;
});
delete server.url;
server.urls = isString ? urls[0] : urls;
return !!urls.length;
}
});
} // Determines the intersection of local and remote capabilities.
function getCommonCapabilities(localCapabilities, remoteCapabilities) {
var commonCapabilities = {
codecs: [],
headerExtensions: [],
fecMechanisms: []
};
var findCodecByPayloadType = function (pt, codecs) {
pt = parseInt(pt, 10);
for (var i = 0; i < codecs.length; i++) {
if (codecs[i].payloadType === pt || codecs[i].preferredPayloadType === pt) {
return codecs[i];
}
}
};
var rtxCapabilityMatches = function (lRtx, rRtx, lCodecs, rCodecs) {
var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);
var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);
return lCodec && rCodec && lCodec.name.toLowerCase() === rCodec.name.toLowerCase();
};
localCapabilities.codecs.forEach(function (lCodec) {
for (var i = 0; i < remoteCapabilities.codecs.length; i++) {
var rCodec = remoteCapabilities.codecs[i];
if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() && lCodec.clockRate === rCodec.clockRate) {
if (lCodec.name.toLowerCase() === 'rtx' && lCodec.parameters && rCodec.parameters.apt) {
// for RTX we need to find the local rtx that has a apt
// which points to the same local codec as the remote one.
if (!rtxCapabilityMatches(lCodec, rCodec, localCapabilities.codecs, remoteCapabilities.codecs)) {
continue;
}
}
rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy
// number of channels is the highest common number of channels
rCodec.numChannels = Math.min(lCodec.numChannels, rCodec.numChannels); // push rCodec so we reply with offerer payload type
commonCapabilities.codecs.push(rCodec); // determine common feedback mechanisms
rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function (fb) {
for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {
if (lCodec.rtcpFeedback[j].type === fb.type && lCodec.rtcpFeedback[j].parameter === fb.parameter) {
return true;
}
}
return false;
}); // FIXME: also need to determine .parameters
// see https://github.com/openpeer/ortc/issues/569
break;
}
}
});
localCapabilities.headerExtensions.forEach(function (lHeaderExtension) {
for (var i = 0; i < remoteCapabilities.headerExtensions.length; i++) {
var rHeaderExtension = remoteCapabilities.headerExtensions[i];
if (lHeaderExtension.uri === rHeaderExtension.uri) {
commonCapabilities.headerExtensions.push(rHeaderExtension);
break;
}
}
}); // FIXME: fecMechanisms
return commonCapabilities;
} // is action=setLocalDescription with type allowed in signalingState
function isActionAllowedInSignalingState(action, type, signalingState) {
return {
offer: {
setLocalDescription: ['stable', 'have-local-offer'],
setRemoteDescription: ['stable', 'have-remote-offer']
},
answer: {
setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],
setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']
}
}[type][action].indexOf(signalingState) !== -1;
}
function maybeAddCandidate(iceTransport, candidate) {
// Edge's internal representation adds some fields therefore
// not all fieldѕ are taken into account.
var alreadyAdded = iceTransport.getRemoteCandidates().find(function (remoteCandidate) {
return candidate.foundation === remoteCandidate.foundation && candidate.ip === remoteCandidate.ip && candidate.port === remoteCandidate.port && candidate.priority === remoteCandidate.priority && candidate.protocol === remoteCandidate.protocol && candidate.type === remoteCandidate.type;
});
if (!alreadyAdded) {
iceTransport.addRemoteCandidate(candidate);
}
return !alreadyAdded;
}
function makeError(name, description) {
var e = new Error(description);
e.name = name; // legacy error codes from https://heycam.github.io/webidl/#idl-DOMException-error-names
e.code = {
NotSupportedError: 9,
InvalidStateError: 11,
InvalidAccessError: 15,
TypeError: undefined,
OperationError: undefined
}[name];
return e;
}
module.exports = function (window, edgeVersion) {
// https://w3c.github.io/mediacapture-main/#mediastream
// Helper function to add the track to the stream and
// dispatch the event ourselves.
function addTrackToStreamAndFireEvent(track, stream) {
stream.addTrack(track);
stream.dispatchEvent(new window.MediaStreamTrackEvent('addtrack', {
track: track
}));
}
function removeTrackFromStreamAndFireEvent(track, stream) {
stream.removeTrack(track);
stream.dispatchEvent(new window.MediaStreamTrackEvent('removetrack', {
track: track
}));
}
function fireAddTrack(pc, track, receiver, streams) {
var trackEvent = new Event('track');
trackEvent.track = track;
trackEvent.receiver = receiver;
trackEvent.transceiver = {
receiver: receiver
};
trackEvent.streams = streams;
window.setTimeout(function () {
pc._dispatchEvent('track', trackEvent);
});
}
var RTCPeerConnection = function (config) {
var pc = this;
var _eventTarget = document.createDocumentFragment();
['addEventListener', 'removeEventListener', 'dispatchEvent'].forEach(function (method) {
pc[method] = _eventTarget[method].bind(_eventTarget);
});
this.canTrickleIceCandidates = null;
this.needNegotiation = false;
this.localStreams = [];
this.remoteStreams = [];
this._localDescription = null;
this._remoteDescription = null;
this.signalingState = 'stable';
this.iceConnectionState = 'new';
this.connectionState = 'new';
this.iceGatheringState = 'new';
config = JSON.parse(JSON.stringify(config || {}));
this.usingBundle = config.bundlePolicy === 'max-bundle';
if (config.rtcpMuxPolicy === 'negotiate') {
throw makeError('NotSupportedError', 'rtcpMuxPolicy \'negotiate\' is not supported');
} else if (!config.rtcpMuxPolicy) {
config.rtcpMuxPolicy = 'require';
}
switch (config.iceTransportPolicy) {
case 'all':
case 'relay':
break;
default:
config.iceTransportPolicy = 'all';
break;
}
switch (config.bundlePolicy) {
case 'balanced':
case 'max-compat':
case 'max-bundle':
break;
default:
config.bundlePolicy = 'balanced';
break;
}
config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);
this._iceGatherers = [];
if (config.iceCandidatePoolSize) {
for (var i = config.iceCandidatePoolSize; i > 0; i--) {
this._iceGatherers.push(new window.RTCIceGatherer({
iceServers: config.iceServers,
gatherPolicy: config.iceTransportPolicy
}));
}
} else {
config.iceCandidatePoolSize = 0;
}
this._config = config; // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...
// everything that is needed to describe a SDP m-line.
this.transceivers = [];
this._sdpSessionId = SDPUtils.generateSessionId();
this._sdpSessionVersion = 0;
this._dtlsRole = undefined; // role for a=setup to use in answers.
this._isClosed = false;
};
Object.defineProperty(RTCPeerConnection.prototype, 'localDescription', {
configurable: true,
get: function () {
return this._localDescription;
}
});
Object.defineProperty(RTCPeerConnection.prototype, 'remoteDescription', {
configurable: true,
get: function () {
return this._remoteDescription;
}
}); // set up event handlers on prototype
RTCPeerConnection.prototype.onicecandidate = null;
RTCPeerConnection.prototype.onaddstream = null;
RTCPeerConnection.prototype.ontrack = null;
RTCPeerConnection.prototype.onremovestream = null;
RTCPeerConnection.prototype.onsignalingstatechange = null;
RTCPeerConnection.prototype.oniceconnectionstatechange = null;
RTCPeerConnection.prototype.onconnectionstatechange = null;
RTCPeerConnection.prototype.onicegatheringstatechange = null;
RTCPeerConnection.prototype.onnegotiationneeded = null;
RTCPeerConnection.prototype.ondatachannel = null;
RTCPeerConnection.prototype._dispatchEvent = function (name, event) {
if (this._isClosed) {
return;
}
this.dispatchEvent(event);
if (typeof this['on' + name] === 'function') {
this['on' + name](event);
}
};
RTCPeerConnection.prototype._emitGatheringStateChange = function () {
var event = new Event('icegatheringstatechange');
this._dispatchEvent('icegatheringstatechange', event);
};
RTCPeerConnection.prototype.getConfiguration = function () {
return this._config;
};
RTCPeerConnection.prototype.getLocalStreams = function () {
return this.localStreams;
};
RTCPeerConnection.prototype.getRemoteStreams = function () {
return this.remoteStreams;
}; // internal helper to create a transceiver object.
// (which is not yet the same as the WebRTC 1.0 transceiver)
RTCPeerConnection.prototype._createTransceiver = function (kind, doNotAdd) {
var hasBundleTransport = this.transceivers.length > 0;
var transceiver = {
track: null,
iceGatherer: null,
iceTransport: null,
dtlsTransport: null,
localCapabilities: null,
remoteCapabilities: null,
rtpSender: null,
rtpReceiver: null,
kind: kind,
mid: null,
sendEncodingParameters: null,
recvEncodingParameters: null,
stream: null,
associatedRemoteMediaStreams: [],
wantReceive: true
};
if (this.usingBundle && hasBundleTransport) {
transceiver.iceTransport = this.transceivers[0].iceTransport;
transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;
} else {
var transports = this._createIceAndDtlsTransports();
transceiver.iceTransport = transports.iceTransport;
transceiver.dtlsTransport = transports.dtlsTransport;
}
if (!doNotAdd) {
this.transceivers.push(transceiver);
}
return transceiver;
};
RTCPeerConnection.prototype.addTrack = function (track, stream) {
if (this._isClosed) {
throw makeError('InvalidStateError', 'Attempted to call addTrack on a closed peerconnection.');
}
var alreadyExists = this.transceivers.find(function (s) {
return s.track === track;
});
if (alreadyExists) {
throw makeError('InvalidAccessError', 'Track already exists.');
}
var transceiver;
for (var i = 0; i < this.transceivers.length; i++) {
if (!this.transceivers[i].track && this.transceivers[i].kind === track.kind) {
transceiver = this.transceivers[i];
}
}
if (!transceiver) {
transceiver = this._createTransceiver(track.kind);
}
this._maybeFireNegotiationNeeded();
if (this.localStreams.indexOf(stream) === -1) {
this.localStreams.push(stream);
}
transceiver.track = track;
transceiver.stream = stream;
transceiver.rtpSender = new window.RTCRtpSender(track, transceiver.dtlsTransport);
return transceiver.rtpSender;
};
RTCPeerConnection.prototype.addStream = function (stream) {
var pc = this;
if (edgeVersion >= 15025) {
stream.getTracks().forEach(function (track) {
pc.addTrack(track, stream);
});
} else {
// Clone is necessary for local demos mostly, attaching directly
// to two different senders does not work (build 10547).
// Fixed in 15025 (or earlier)
var clonedStream = stream.clone();
stream.getTracks().forEach(function (track, idx) {
var clonedTrack = clonedStream.getTracks()[idx];
track.addEventListener('enabled', function (event) {
clonedTrack.enabled = event.enabled;
});
});
clonedStream.getTracks().forEach(function (track) {
pc.addTrack(track, clonedStream);
});
}
};
RTCPeerConnection.prototype.removeTrack = function (sender) {
if (this._isClosed) {
throw makeError('InvalidStateError', 'Attempted to call removeTrack on a closed peerconnection.');
}
if (!(sender instanceof window.RTCRtpSender)) {
throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' + 'does not implement interface RTCRtpSender.');
}
var transceiver = this.transceivers.find(function (t) {
return t.rtpSender === sender;
});
if (!transceiver) {
throw makeError('InvalidAccessError', 'Sender was not created by this connection.');
}
var stream = transceiver.stream;
transceiver.rtpSender.stop();
transceiver.rtpSender = null;
transceiver.track = null;
transceiver.stream = null; // remove the stream from the set of local streams
var localStreams = this.transceivers.map(function (t) {
return t.stream;
});
if (localStreams.indexOf(stream) === -1 && this.localStreams.indexOf(stream) > -1) {
this.localStreams.splice(this.localStreams.indexOf(stream), 1);
}
this._maybeFireNegotiationNeeded();
};
RTCPeerConnection.prototype.removeStream = function (stream) {
var pc = this;
stream.getTracks().forEach(function (track) {
var sender = pc.getSenders().find(function (s) {
return s.track === track;
});
if (sender) {
pc.removeTrack(sender);
}
});
};
RTCPeerConnection.prototype.getSenders = function () {
return this.transceivers.filter(function (transceiver) {
return !!transceiver.rtpSender;
}).map(function (transceiver) {
return transceiver.rtpSender;
});
};
RTCPeerConnection.prototype.getReceivers = function () {
return this.transceivers.filter(function (transceiver) {
return !!transceiver.rtpReceiver;
}).map(function (transceiver) {
return transceiver.rtpReceiver;
});
};
RTCPeerConnection.prototype._createIceGatherer = function (sdpMLineIndex, usingBundle) {
var pc = this;
if (usingBundle && sdpMLineIndex > 0) {
return this.transceivers[0].iceGatherer;
} else if (this._iceGatherers.length) {
return this._iceGatherers.shift();
}
var iceGatherer = new window.RTCIceGatherer({
iceServers: this._config.iceServers,
gatherPolicy: this._config.iceTransportPolicy
});
Object.defineProperty(iceGatherer, 'state', {
value: 'new',
writable: true
});
this.transceivers[sdpMLineIndex].bufferedCandidateEvents = [];
this.transceivers[sdpMLineIndex].bufferCandidates = function (event) {
var end = !event.candidate || Object.keys(event.candidate).length === 0; // polyfill since RTCIceGatherer.state is not implemented in
// Edge 10547 yet.
iceGatherer.state = end ? 'completed' : 'gathering';
if (pc.transceivers[sdpMLineIndex].bufferedCandidateEvents !== null) {
pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event);
}
};
iceGatherer.addEventListener('localcandidate', this.transceivers[sdpMLineIndex].bufferCandidates);
return iceGatherer;
}; // start gathering from an RTCIceGatherer.
RTCPeerConnection.prototype._gather = function (mid, sdpMLineIndex) {
var pc = this;
var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
if (iceGatherer.onlocalcandidate) {
return;
}
var bufferedCandidateEvents = this.transceivers[sdpMLineIndex].bufferedCandidateEvents;
this.transceivers[sdpMLineIndex].bufferedCandidateEvents = null;
iceGatherer.removeEventListener('localcandidate', this.transceivers[sdpMLineIndex].bufferCandidates);
iceGatherer.onlocalcandidate = function (evt) {
if (pc.usingBundle && sdpMLineIndex > 0) {
// if we know that we use bundle we can drop candidates with
// ѕdpMLineIndex > 0. If we don't do this then our state gets
// confused since we dispose the extra ice gatherer.
return;
}
var event = new Event('icecandidate');
event.candidate = {
sdpMid: mid,
sdpMLineIndex: sdpMLineIndex
};
var cand = evt.candidate; // Edge emits an empty object for RTCIceCandidateComplete‥
var end = !cand || Object.keys(cand).length === 0;
if (end) {
// polyfill since RTCIceGatherer.state is not implemented in
// Edge 10547 yet.
if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {
iceGatherer.state = 'completed';
}
} else {
if (iceGatherer.state === 'new') {
iceGatherer.state = 'gathering';
} // RTCIceCandidate doesn't have a component, needs to be added
cand.component = 1; // also the usernameFragment. TODO: update SDP to take both variants.
cand.ufrag = iceGatherer.getLocalParameters().usernameFragment;
var serializedCandidate = SDPUtils.writeCandidate(cand);
event.candidate = Object.assign(event.candidate, SDPUtils.parseCandidate(serializedCandidate));
event.candidate.candidate = serializedCandidate;
event.candidate.toJSON = function () {
return {
candidate: event.candidate.candidate,
sdpMid: event.candidate.sdpMid,
sdpMLineIndex: event.candidate.sdpMLineIndex,
usernameFragment: event.candidate.usernameFragment
};
};
} // update local description.
var sections = SDPUtils.getMediaSections(pc._localDescription.sdp);
if (!end) {
sections[event.candidate.sdpMLineIndex] += 'a=' + event.candidate.candidate + '\r\n';
} else {
sections[event.candidate.sdpMLineIndex] += 'a=end-of-candidates\r\n';
}
pc._localDescription.sdp = SDPUtils.getDescription(pc._localDescription.sdp) + sections.join('');
var complete = pc.transceivers.every(function (transceiver) {
return transceiver.iceGatherer && transceiver.iceGatherer.state === 'completed';
});
if (pc.iceGatheringState !== 'gathering') {
pc.iceGatheringState = 'gathering';
pc._emitGatheringStateChange();
} // Emit candidate. Also emit null candidate when all gatherers are
// complete.
if (!end) {
pc._dispatchEvent('icecandidate', event);
}
if (complete) {
pc._dispatchEvent('icecandidate', new Event('icecandidate'));
pc.iceGatheringState = 'complete';
pc._emitGatheringStateChange();
}
}; // emit already gathered candidates.
window.setTimeout(function () {
bufferedCandidateEvents.forEach(function (e) {
iceGatherer.onlocalcandidate(e);
});
}, 0);
}; // Create ICE transport and DTLS transport.
RTCPeerConnection.prototype._createIceAndDtlsTransports = function () {
var pc = this;
var iceTransport = new window.RTCIceTransport(null);
iceTransport.onicestatechange = function () {
pc._updateIceConnectionState();
pc._updateConnectionState();
};
var dtlsTransport = new window.RTCDtlsTransport(iceTransport);
dtlsTransport.ondtlsstatechange = function () {
pc._updateConnectionState();
};
dtlsTransport.onerror = function () {
// onerror does not set state to failed by itself.
Object.defineProperty(dtlsTransport, 'state', {
value: 'failed',
writable: true
});
pc._updateConnectionState();
};
return {
iceTransport: iceTransport,
dtlsTransport: dtlsTransport
};
}; // Destroy ICE gatherer, ICE transport and DTLS transport.
// Without triggering the callbacks.
RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function (sdpMLineIndex) {
var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
if (iceGatherer) {
delete iceGatherer.onlocalcandidate;
delete this.transceivers[sdpMLineIndex].iceGatherer;
}
var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;
if (iceTransport) {
delete iceTransport.onicestatechange;
delete this.transceivers[sdpMLineIndex].iceTransport;
}
var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;
if (dtlsTransport) {
delete dtlsTransport.ondtlsstatechange;
delete dtlsTransport.onerror;
delete this.transceivers[sdpMLineIndex].dtlsTransport;
}
}; // Start the RTP Sender and Receiver for a transceiver.
RTCPeerConnection.prototype._transceive = function (transceiver, send, recv) {
var params = getCommonCapabilities(transceiver.localCapabilities, transceiver.remoteCapabilities);
if (send && transceiver.rtpSender) {
params.encodings = transceiver.sendEncodingParameters;
params.rtcp = {
cname: SDPUtils.localCName,
compound: transceiver.rtcpParameters.compound
};
if (transceiver.recvEncodingParameters.length) {
params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
}
transceiver.rtpSender.send(params);
}
if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {
// remove RTX field in Edge 14942
if (transceiver.kind === 'video' && transceiver.recvEncodingParameters && edgeVersion < 15019) {
transceiver.recvEncodingParameters.forEach(function (p) {
delete p.rtx;
});
}
if (transceiver.recvEncodingParameters.length) {
params.encodings = transceiver.recvEncodingParameters;
} else {
params.encodings = [{}];
}
params.rtcp = {
compound: transceiver.rtcpParameters.compound
};
if (transceiver.rtcpParameters.cname) {
params.rtcp.cname = transceiver.rtcpParameters.cname;
}
if (transceiver.sendEncodingParameters.length) {
params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
}
transceiver.rtpReceiver.receive(params);
}
};
RTCPeerConnection.prototype.setLocalDescription = function (description) {
var pc = this; // Note: pranswer is not supported.
if (['offer', 'answer'].indexOf(description.type) === -1) {
return Promise.reject(makeError('TypeError', 'Unsupported type "' + description.type + '"'));
}
if (!isActionAllowedInSignalingState('setLocalDescription', description.type, pc.signalingState) || pc._isClosed) {
return Promise.reject(makeError('InvalidStateError', 'Can not set local ' + description.type + ' in state ' + pc.signalingState));
}
var sections;
var sessionpart;
if (description.type === 'offer') {
// VERY limited support for SDP munging. Limited to:
// * changing the order of codecs
sections = SDPUtils.splitSections(description.sdp);
sessionpart = sections.shift();
sections.forEach(function (mediaSection, sdpMLineIndex) {
var caps = SDPUtils.parseRtpParameters(mediaSection);
pc.transceivers[sdpMLineIndex].localCapabilities = caps;
});
pc.transceivers.forEach(function (transceiver, sdpMLineIndex) {
pc._gather(transceiver.mid, sdpMLineIndex);
});
} else if (description.type === 'answer') {
sections = SDPUtils.splitSections(pc._remoteDescription.sdp);
sessionpart = sections.shift();
var isIceLite = SDPUtils.matchPrefix(sessionpart, 'a=ice-lite').length > 0;
sections.forEach(function (mediaSection, sdpMLineIndex) {
var transceiver = pc.transceivers[sdpMLineIndex];
var iceGatherer = transceiver.iceGatherer;
var iceTransport = transceiver.iceTransport;
var dtlsTransport = transceiver.dtlsTransport;
var localCapabilities = transceiver.localCapabilities;
var remoteCapabilities = transceiver.remoteCapabilities; // treat bundle-only as not-rejected.
var rejected = SDPUtils.isRejected(mediaSection) && SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
if (!rejected && !transceiver.rejected) {
var remoteIceParameters = SDPUtils.getIceParameters(mediaSection, sessionpart);
var remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection, sessionpart);
if (isIceLite) {
remoteDtlsParameters.role = 'server';
}
if (!pc.usingBundle || sdpMLineIndex === 0) {
pc._gather(transceiver.mid, sdpMLineIndex);
if (iceTransport.state === 'new') {
iceTransport.start(iceGatherer, remoteIceParameters, isIceLite ? 'controlling' : 'controlled');
}
if (dtlsTransport.state === 'new') {
dtlsTransport.start(remoteDtlsParameters);
}
} // Calculate intersection of capabilities.
var params = getCommonCapabilities(localCapabilities, remoteCapabilities); // Start the RTCRtpSender. The RTCRtpReceiver for this
// transceiver has already been started in setRemoteDescription.
pc._transceive(transceiver, params.codecs.length > 0, false);
}
});
}
pc._localDescription = {
type: description.type,
sdp: description.sdp
};
if (description.type === 'offer') {
pc._updateSignalingState('have-local-offer');
} else {
pc._updateSignalingState('stable');
}
return Promise.resolve();
};
RTCPeerConnection.prototype.setRemoteDescription = function (description) {
var pc = this; // Note: pranswer is not supported.
if (['offer', 'answer'].indexOf(description.type) === -1) {
return Promise.reject(makeError('TypeError', 'Unsupported type "' + description.type + '"'));
}
if (!isActionAllowedInSignalingState('setRemoteDescription', description.type, pc.signalingState) || pc._isClosed) {
return Promise.reject(makeError('InvalidStateError', 'Can not set remote ' + description.type + ' in state ' + pc.signalingState));
}
var streams = {};
pc.remoteStreams.forEach(function (stream) {
streams[stream.id] = stream;
});
var receiverList = [];
var sections = SDPUtils.splitSections(description.sdp);
var sessionpart = sections.shift();
var isIceLite = SDPUtils.matchPrefix(sessionpart, 'a=ice-lite').length > 0;
var usingBundle = SDPUtils.matchPrefix(sessionpart, 'a=group:BUNDLE ').length > 0;
pc.usingBundle = usingBundle;
var iceOptions = SDPUtils.matchPrefix(sessionpart, 'a=ice-options:')[0];
if (iceOptions) {
pc.canTrickleIceCandidates = iceOptions.substr(14).split(' ').indexOf('trickle') >= 0;
} else {
pc.canTrickleIceCandidates = false;
}
sections.forEach(function (mediaSection, sdpMLineIndex) {
var lines = SDPUtils.splitLines(mediaSection);
var kind = SDPUtils.getKind(mediaSection); // treat bundle-only as not-rejected.
var rejected = SDPUtils.isRejected(mediaSection) && SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
var protocol = lines[0].substr(2).split(' ')[2];
var direction = SDPUtils.getDirection(mediaSection, sessionpart);
var remoteMsid = SDPUtils.parseMsid(mediaSection);
var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier(); // Reject datachannels which are not implemented yet.
if (rejected || kind === 'application' && (protocol === 'DTLS/SCTP' || protocol === 'UDP/DTLS/SCTP')) {
// TODO: this is dangerous in the case where a non-rejected m-line
// becomes rejected.
pc.transceivers[sdpMLineIndex] = {
mid: mid,
kind: kind,
protocol: protocol,
rejected: true
};
return;
}
if (!rejected && pc.transceivers[sdpMLineIndex] && pc.transceivers[sdpMLineIndex].rejected) {
// recycle a rejected transceiver.
pc.transceivers[sdpMLineIndex] = pc._createTransceiver(kind, true);
}
var transceiver;
var iceGatherer;
var iceTransport;
var dtlsTransport;
var rtpReceiver;
var sendEncodingParameters;
var recvEncodingParameters;
var localCapabilities;
var track; // FIXME: ensure the mediaSection has rtcp-mux set.
var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);
var remoteIceParameters;
var remoteDtlsParameters;
if (!rejected) {
remoteIceParameters = SDPUtils.getIceParameters(mediaSection, sessionpart);
remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection, sessionpart);
remoteDtlsParameters.role = 'client';
}
recvEncodingParameters = SDPUtils.parseRtpEncodingParameters(mediaSection);
var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);
var isComplete = SDPUtils.matchPrefix(mediaSection, 'a=end-of-candidates', sessionpart).length > 0;
var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:').map(function (cand) {
return SDPUtils.parseCandidate(cand);
}).filter(function (cand) {
return cand.component === 1;
}); // Check if we can use BUNDLE and dispose transports.
if ((description.type === 'offer' || description.type === 'answer') && !rejected && usingBundle && sdpMLineIndex > 0 && pc.transceivers[sdpMLineIndex]) {
pc._disposeIceAndDtlsTransports(sdpMLineIndex);
pc.transceivers[sdpMLineIndex].iceGatherer = pc.transceivers[0].iceGatherer;
pc.transceivers[sdpMLineIndex].iceTransport = pc.transceivers[0].iceTransport;
pc.transceivers[sdpMLineIndex].dtlsTransport = pc.transceivers[0].dtlsTransport;
if (pc.transceivers[sdpMLineIndex].rtpSender) {
pc.transceivers[sdpMLineIndex].rtpSender.setTransport(pc.transceivers[0].dtlsTransport);
}
if (pc.transceivers[sdpMLineIndex].rtpReceiver) {
pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(pc.transceivers[0].dtlsTransport);
}
}
if (description.type === 'offer' && !rejected) {
transceiver = pc.transceivers[sdpMLineIndex] || pc._createTransceiver(kind);
transceiver.mid = mid;
if (!transceiver.iceGatherer) {
transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex, usingBundle);
}
if (cands.length && transceiver.iceTransport.state === 'new') {
if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {
transceiver.iceTransport.setRemoteCandidates(cands);
} else {
cands.forEach(function (candidate) {
maybeAddCandidate(transceiver.iceTransport, candidate);
});
}
}
localCapabilities = window.RTCRtpReceiver.getCapabilities(kind); // filter RTX until additional stuff needed for RTX is implemented
// in adapter.js
if (edgeVersion < 15019) {
localCapabilities.codecs = localCapabilities.codecs.filter(function (codec) {
return codec.name !== 'rtx';
});
}
sendEncodingParameters = transceiver.sendEncodingParameters || [{
ssrc: (2 * sdpMLineIndex + 2) * 1001
}]; // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
var isNewTrack = false;
if (direction === 'sendrecv' || direction === 'sendonly') {
isNewTrack = !transceiver.rtpReceiver;
rtpReceiver = transceiver.rtpReceiver || new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);
if (isNewTrack) {
var stream;
track = rtpReceiver.track; // FIXME: does not work with Plan B.
if (remoteMsid && remoteMsid.stream === '-') {// no-op. a stream id of '-' means: no associated stream.
} else if (remoteMsid) {
if (!streams[remoteMsid.stream]) {
streams[remoteMsid.stream] = new window.MediaStream();
Object.defineProperty(streams[remoteMsid.stream], 'id', {
get: function () {
return remoteMsid.stream;
}
});
}
Object.defineProperty(track, 'id', {
get: function () {
return remoteMsid.track;
}
});
stream = streams[remoteMsid.stream];
} else {
if (!streams.default) {
streams.default = new window.MediaStream();
}
stream = streams.default;
}
if (stream) {
addTrackToStreamAndFireEvent(track, stream);
transceiver.associatedRemoteMediaStreams.push(stream);
}
receiverList.push([track, rtpReceiver, stream]);
}
} else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {
transceiver.associatedRemoteMediaStreams.forEach(function (s) {
var nativeTrack = s.getTracks().find(function (t) {
return t.id === transceiver.rtpReceiver.track.id;
});
if (nativeTrack) {
removeTrackFromStreamAndFireEvent(nativeTrack, s);
}
});
transceiver.associatedRemoteMediaStreams = [];
}
transceiver.localCapabilities = localCapabilities;
transceiver.remoteCapabilities = remoteCapabilities;
transceiver.rtpReceiver = rtpReceiver;
transceiver.rtcpParameters = rtcpParameters;
transceiver.sendEncodingParameters = sendEncodingParameters;
transceiver.recvEncodingParameters = recvEncodingParameters; // Start the RTCRtpReceiver now. The RTPSender is started in
// setLocalDescription.
pc._transceive(pc.transceivers[sdpMLineIndex], false, isNewTrack);
} else if (description.type === 'answer' && !rejected) {
transceiver = pc.transceivers[sdpMLineIndex];
iceGatherer = transceiver.iceGatherer;
iceTransport = transceiver.iceTransport;
dtlsTransport = transceiver.dtlsTransport;
rtpReceiver = transceiver.rtpReceiver;
sendEncodingParameters = transceiver.sendEncodingParameters;
localCapabilities = transceiver.localCapabilities;
pc.transceivers[sdpMLineIndex].recvEncodingParameters = recvEncodingParameters;
pc.transceivers[sdpMLineIndex].remoteCapabilities = remoteCapabilities;
pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;
if (cands.length && iceTransport.state === 'new') {
if ((isIceLite || isComplete) && (!usingBundle || sdpMLineIndex === 0)) {
iceTransport.setRemoteCandidates(cands);
} else {
cands.forEach(function (candidate) {
maybeAddCandidate(transceiver.iceTransport, candidate);
});
}
}
if (!usingBundle || sdpMLineIndex === 0) {
if (iceTransport.state === 'new') {
iceTransport.start(iceGatherer, remoteIceParameters, 'controlling');
}
if (dtlsTransport.state === 'new') {
dtlsTransport.start(remoteDtlsParameters);
}
} // If the offer contained RTX but the answer did not,
// remove RTX from sendEncodingParameters.
var commonCapabilities = getCommonCapabilities(transceiver.localCapabilities, transceiver.remoteCapabilities);
var hasRtx = commonCapabilities.codecs.filter(function (c) {
return c.name.toLowerCase() === 'rtx';
}).length;
if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
delete transceiver.sendEncodingParameters[0].rtx;
}
pc._transceive(transceiver, direction === 'sendrecv' || direction === 'recvonly', direction === 'sendrecv' || direction === 'sendonly'); // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
if (rtpReceiver && (direction === 'sendrecv' || direction === 'sendonly')) {
track = rtpReceiver.track;
if (remoteMsid) {
if (!streams[remoteMsid.stream]) {
streams[remoteMsid.stream] = new window.MediaStream();
}
addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);
receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);
} else {
if (!streams.default) {
streams.default = new window.MediaStream();
}
addTrackToStreamAndFireEvent(track, streams.default);
receiverList.push([track, rtpReceiver, streams.default]);
}
} else {
// FIXME: actually the receiver should be created later.
delete transceiver.rtpReceiver;
}
}
});
if (pc._dtlsRole === undefined) {
pc._dtlsRole = description.type === 'offer' ? 'active' : 'passive';
}
pc._remoteDescription = {
type: description.type,
sdp: description.sdp
};
if (description.type === 'offer') {
pc._updateSignalingState('have-remote-offer');
} else {
pc._updateSignalingState('stable');
}
Object.keys(streams).forEach(function (sid) {
var stream = streams[sid];
if (stream.getTracks().length) {
if (pc.remoteStreams.indexOf(stream) === -1) {
pc.remoteStreams.push(stream);
var event = new Event('addstream');
event.stream = stream;
window.setTimeout(function () {
pc._dispatchEvent('addstream', event);
});
}
receiverList.forEach(function (item) {
var track = item[0];
var receiver = item[1];
if (stream.id !== item[2].id) {
return;
}
fireAddTrack(pc, track, receiver, [stream]);
});
}
});
receiverList.forEach(function (item) {
if (item[2]) {
return;
}
fireAddTrack(pc, item[0], item[1], []);
}); // check whether addIceCandidate({}) was called within four seconds after
// setRemoteDescription.
window.setTimeout(function () {
if (!(pc && pc.transceivers)) {
return;
}
pc.transceivers.forEach(function (transceiver) {
if (transceiver.iceTransport && transceiver.iceTransport.state === 'new' && transceiver.iceTransport.getRemoteCandidates().length > 0) {
console.warn('Timeout for addRemoteCandidate. Consider sending ' + 'an end-of-candidates notification');
transceiver.iceTransport.addRemoteCandidate({});
}
});
}, 4000);
return Promise.resolve();
};
RTCPeerConnection.prototype.close = function () {
this.transceivers.forEach(function (transceiver) {
/* not yet
if (transceiver.iceGatherer) {
transceiver.iceGatherer.close();
}
*/
if (transceiver.iceTransport) {
transceiver.iceTransport.stop();
}
if (transceiver.dtlsTransport) {
transceiver.dtlsTransport.stop();
}
if (transceiver.rtpSender) {
transceiver.rtpSender.stop();
}
if (transceiver.rtpReceiver) {
transceiver.rtpReceiver.stop();
}
}); // FIXME: clean up tracks, local streams, remote streams, etc
this._isClosed = true;
this._updateSignalingState('closed');
}; // Update the signaling state.
RTCPeerConnection.prototype._updateSignalingState = function (newState) {
this.signalingState = newState;
var event = new Event('signalingstatechange');
this._dispatchEvent('signalingstatechange', event);
}; // Determine whether to fire the negotiationneeded event.
RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function () {
var pc = this;
if (this.signalingState !== 'stable' || this.needNegotiation === true) {
return;
}
this.needNegotiation = true;
window.setTimeout(function () {
if (pc.needNegotiation) {
pc.needNegotiation = false;
var event = new Event('negotiationneeded');
pc._dispatchEvent('negotiationneeded', event);
}
}, 0);
}; // Update the ice connection state.
RTCPeerConnection.prototype._updateIceConnectionState = function () {
var newState;
var states = {
'new': 0,
closed: 0,
checking: 0,
connected: 0,
completed: 0,
disconnected: 0,
failed: 0
};
this.transceivers.forEach(function (transceiver) {
if (transceiver.iceTransport && !transceiver.rejected) {
states[transceiver.iceTransport.state]++;
}
});
newState = 'new';
if (states.failed > 0) {
newState = 'failed';
} else if (states.checking > 0) {
newState = 'checking';
} else if (states.disconnected > 0) {
newState = 'disconnected';
} else if (states.new > 0) {
newState = 'new';
} else if (states.connected > 0) {
newState = 'connected';
} else if (states.completed > 0) {
newState = 'completed';
}
if (newState !== this.iceConnectionState) {
this.iceConnectionState = newState;
var event = new Event('iceconnectionstatechange');
this._dispatchEvent('iceconnectionstatechange', event);
}
}; // Update the connection state.
RTCPeerConnection.prototype._updateConnectionState = function () {
var newState;
var states = {
'new': 0,
closed: 0,
connecting: 0,
connected: 0,
completed: 0,
disconnected: 0,
failed: 0
};
this.transceivers.forEach(function (transceiver) {
if (transceiver.iceTransport && transceiver.dtlsTransport && !transceiver.rejected) {
states[transceiver.iceTransport.state]++;
states[transceiver.dtlsTransport.state]++;
}
}); // ICETransport.completed and connected are the same for this purpose.
states.connected += states.completed;
newState = 'new';
if (states.failed > 0) {
newState = 'failed';
} else if (states.connecting > 0) {
newState = 'connecting';
} else if (states.disconnected > 0) {
newState = 'disconnected';
} else if (states.new > 0) {
newState = 'new';
} else if (states.connected > 0) {
newState = 'connected';
}
if (newState !== this.connectionState) {
this.connectionState = newState;
var event = new Event('connectionstatechange');
this._dispatchEvent('connectionstatechange', event);
}
};
RTCPeerConnection.prototype.createOffer = function () {
var pc = this;
if (pc._isClosed) {
return Promise.reject(makeError('InvalidStateError', 'Can not call createOffer after close'));
}
var numAudioTracks = pc.transceivers.filter(function (t) {
return t.kind === 'audio';
}).length;
var numVideoTracks = pc.transceivers.filter(function (t) {
return t.kind === 'video';
}).length; // Determine number of audio and video tracks we need to send/recv.
var offerOptions = arguments[0];
if (offerOptions) {
// Reject Chrome legacy constraints.
if (offerOptions.mandatory || offerOptions.optional) {
throw new TypeError('Legacy mandatory/optional constraints not supported.');
}
if (offerOptions.offerToReceiveAudio !== undefined) {
if (offerOptions.offerToReceiveAudio === true) {
numAudioTracks = 1;
} else if (offerOptions.offerToReceiveAudio === false) {
numAudioTracks = 0;
} else {
numAudioTracks = offerOptions.offerToReceiveAudio;
}
}
if (offerOptions.offerToReceiveVideo !== undefined) {
if (offerOptions.offerToReceiveVideo === true) {
numVideoTracks = 1;
} else if (offerOptions.offerToReceiveVideo === false) {
numVideoTracks = 0;
} else {
numVideoTracks = offerOptions.offerToReceiveVideo;
}
}
}
pc.transceivers.forEach(function (transceiver) {
if (transceiver.kind === 'audio') {
numAudioTracks--;
if (numAudioTracks < 0) {
transceiver.wantReceive = false;
}
} else if (transceiver.kind === 'video') {
numVideoTracks--;
if (numVideoTracks < 0) {
transceiver.wantReceive = false;
}
}
}); // Create M-lines for recvonly streams.
while (numAudioTracks > 0 || numVideoTracks > 0) {
if (numAudioTracks > 0) {
pc._createTransceiver('audio');
numAudioTracks--;
}
if (numVideoTracks > 0) {
pc._createTransceiver('video');
numVideoTracks--;
}
}
var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId, pc._sdpSessionVersion++);
pc.transceivers.forEach(function (transceiver, sdpMLineIndex) {
// For each track, create an ice gatherer, ice transport,
// dtls transport, potentially rtpsender and rtpreceiver.
var track = transceiver.track;
var kind = transceiver.kind;
var mid = transceiver.mid || SDPUtils.generateIdentifier();
transceiver.mid = mid;
if (!transceiver.iceGatherer) {
transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex, pc.usingBundle);
}
var localCapabilities = window.RTCRtpSender.getCapabilities(kind); // filter RTX until additional stuff needed for RTX is implemented
// in adapter.js
if (edgeVersion < 15019) {
localCapabilities.codecs = localCapabilities.codecs.filter(function (codec) {
return codec.name !== 'rtx';
});
}
localCapabilities.codecs.forEach(function (codec) {
// work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552
// by adding level-asymmetry-allowed=1
if (codec.name === 'H264' && codec.parameters['level-asymmetry-allowed'] === undefined) {
codec.parameters['level-asymmetry-allowed'] = '1';
} // for subsequent offers, we might have to re-use the payload
// type of the last offer.
if (transceiver.remoteCapabilities && transceiver.remoteCapabilities.codecs) {
transceiver.remoteCapabilities.codecs.forEach(function (remoteCodec) {
if (codec.name.toLowerCase() === remoteCodec.name.toLowerCase() && codec.clockRate === remoteCodec.clockRate) {
codec.preferredPayloadType = remoteCodec.payloadType;
}
});
}
});
localCapabilities.headerExtensions.forEach(function (hdrExt) {
var remoteExtensions = transceiver.remoteCapabilities && transceiver.remoteCapabilities.headerExtensions || [];
remoteExtensions.forEach(function (rHdrExt) {
if (hdrExt.uri === rHdrExt.uri) {
hdrExt.id = rHdrExt.id;
}
});
}); // generate an ssrc now, to be used later in rtpSender.send
var sendEncodingParameters = transceiver.sendEncodingParameters || [{
ssrc: (2 * sdpMLineIndex + 1) * 1001
}];
if (track) {
// add RTX
if (edgeVersion >= 15019 && kind === 'video' && !sendEncodingParameters[0].rtx) {
sendEncodingParameters[0].rtx = {
ssrc: sendEncodingParameters[0].ssrc + 1
};
}
}
if (transceiver.wantReceive) {
transceiver.rtpReceiver = new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);
}
transceiver.localCapabilities = localCapabilities;
transceiver.sendEncodingParameters = sendEncodingParameters;
}); // always offer BUNDLE and dispose on return if not supported.
if (pc._config.bundlePolicy !== 'max-compat') {
sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function (t) {
return t.mid;
}).join(' ') + '\r\n';
}
sdp += 'a=ice-options:trickle\r\n';
pc.transceivers.forEach(function (transceiver, sdpMLineIndex) {
sdp += writeMediaSection(transceiver, transceiver.localCapabilities, 'offer', transceiver.stream, pc._dtlsRole);
sdp += 'a=rtcp-rsize\r\n';
if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' && (sdpMLineIndex === 0 || !pc.usingBundle)) {
transceiver.iceGatherer.getLocalCandidates().forEach(function (cand) {
cand.component = 1;
sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\r\n';
});
if (transceiver.iceGatherer.state === 'completed') {
sdp += 'a=end-of-candidates\r\n';
}
}
});
var desc = new window.RTCSessionDescription({
type: 'offer',
sdp: sdp
});
return Promise.resolve(desc);
};
RTCPeerConnection.prototype.createAnswer = function () {
var pc = this;
if (pc._isClosed) {
return Promise.reject(makeError('InvalidStateError', 'Can not call createAnswer after close'));
}
if (!(pc.signalingState === 'have-remote-offer' || pc.signalingState === 'have-local-pranswer')) {
return Promise.reject(makeError('InvalidStateError', 'Can not call createAnswer in signalingState ' + pc.signalingState));
}
var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId, pc._sdpSessionVersion++);
if (pc.usingBundle) {
sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function (t) {
return t.mid;
}).join(' ') + '\r\n';
}
sdp += 'a=ice-options:trickle\r\n';
var mediaSectionsInOffer = SDPUtils.getMediaSections(pc._remoteDescription.sdp).length;
pc.transceivers.forEach(function (transceiver, sdpMLineIndex) {
if (sdpMLineIndex + 1 > mediaSectionsInOffer) {
return;
}
if (transceiver.rejected) {
if (transceiver.kind === 'application') {
if (transceiver.protocol === 'DTLS/SCTP') {
// legacy fmt
sdp += 'm=application 0 DTLS/SCTP 5000\r\n';
} else {
sdp += 'm=application 0 ' + transceiver.protocol + ' webrtc-datachannel\r\n';
}
} else if (transceiver.kind === 'audio') {
sdp += 'm=audio 0 UDP/TLS/RTP/SAVPF 0\r\n' + 'a=rtpmap:0 PCMU/8000\r\n';
} else if (transceiver.kind === 'video') {
sdp += 'm=video 0 UDP/TLS/RTP/SAVPF 120\r\n' + 'a=rtpmap:120 VP8/90000\r\n';
}
sdp += 'c=IN IP4 0.0.0.0\r\n' + 'a=inactive\r\n' + 'a=mid:' + transceiver.mid + '\r\n';
return;
} // FIXME: look at direction.
if (transceiver.stream) {
var localTrack;
if (transceiver.kind === 'audio') {
localTrack = transceiver.stream.getAudioTracks()[0];
} else if (transceiver.kind === 'video') {
localTrack = transceiver.stream.getVideoTracks()[0];
}
if (localTrack) {
// add RTX
if (edgeVersion >= 15019 && transceiver.kind === 'video' && !transceiver.sendEncodingParameters[0].rtx) {
transceiver.sendEncodingParameters[0].rtx = {
ssrc: transceiver.sendEncodingParameters[0].ssrc + 1
};
}
}
} // Calculate intersection of capabilities.
var commonCapabilities = getCommonCapabilities(transceiver.localCapabilities, transceiver.remoteCapabilities);
var hasRtx = commonCapabilities.codecs.filter(function (c) {
return c.name.toLowerCase() === 'rtx';
}).length;
if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
delete transceiver.sendEncodingParameters[0].rtx;
}
sdp += writeMediaSection(transceiver, commonCapabilities, 'answer', transceiver.stream, pc._dtlsRole);
if (transceiver.rtcpParameters && transceiver.rtcpParameters.reducedSize) {
sdp += 'a=rtcp-rsize\r\n';
}
});
var desc = new window.RTCSessionDescription({
type: 'answer',
sdp: sdp
});
return Promise.resolve(desc);
};
RTCPeerConnection.prototype.addIceCandidate = function (candidate) {
var pc = this;
var sections;
if (candidate && !(candidate.sdpMLineIndex !== undefined || candidate.sdpMid)) {
return Promise.reject(new TypeError('sdpMLineIndex or sdpMid required'));
} // TODO: needs to go into ops queue.
return new Promise(function (resolve, reject) {
if (!pc._remoteDescription) {
return reject(makeError('InvalidStateError', 'Can not add ICE candidate without a remote description'));
} else if (!candidate || candidate.candidate === '') {
for (var j = 0; j < pc.transceivers.length; j++) {
if (pc.transceivers[j].rejected) {
continue;
}
pc.transceivers[j].iceTransport.addRemoteCandidate({});
sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);
sections[j] += 'a=end-of-candidates\r\n';
pc._remoteDescription.sdp = SDPUtils.getDescription(pc._remoteDescription.sdp) + sections.join('');
if (pc.usingBundle) {
break;
}
}
} else {
var sdpMLineIndex = candidate.sdpMLineIndex;
if (candidate.sdpMid) {
for (var i = 0; i < pc.transceivers.length; i++) {
if (pc.transceivers[i].mid === candidate.sdpMid) {
sdpMLineIndex = i;
break;
}
}
}
var transceiver = pc.transceivers[sdpMLineIndex];
if (transceiver) {
if (transceiver.rejected) {
return resolve();
}
var cand = Object.keys(candidate.candidate).length > 0 ? SDPUtils.parseCandidate(candidate.candidate) : {}; // Ignore Chrome's invalid candidates since Edge does not like them.
if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {
return resolve();
} // Ignore RTCP candidates, we assume RTCP-MUX.
if (cand.component && cand.component !== 1) {
return resolve();
} // when using bundle, avoid adding candidates to the wrong
// ice transport. And avoid adding candidates added in the SDP.
if (sdpMLineIndex === 0 || sdpMLineIndex > 0 && transceiver.iceTransport !== pc.transceivers[0].iceTransport) {
if (!maybeAddCandidate(transceiver.iceTransport, cand)) {
return reject(makeError('OperationError', 'Can not add ICE candidate'));
}
} // update the remoteDescription.
var candidateString = candidate.candidate.trim();
if (candidateString.indexOf('a=') === 0) {
candidateString = candidateString.substr(2);
}
sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);
sections[sdpMLineIndex] += 'a=' + (cand.type ? candidateString : 'end-of-candidates') + '\r\n';
pc._remoteDescription.sdp = SDPUtils.getDescription(pc._remoteDescription.sdp) + sections.join('');
} else {
return reject(makeError('OperationError', 'Can not add ICE candidate'));
}
}
resolve();
});
};
RTCPeerConnection.prototype.getStats = function (selector) {
if (selector && selector instanceof window.MediaStreamTrack) {
var senderOrReceiver = null;
this.transceivers.forEach(function (transceiver) {
if (transceiver.rtpSender && transceiver.rtpSender.track === selector) {
senderOrReceiver = transceiver.rtpSender;
} else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track === selector) {
senderOrReceiver = transceiver.rtpReceiver;
}
});
if (!senderOrReceiver) {
throw makeError('InvalidAccessError', 'Invalid selector.');
}
return senderOrReceiver.getStats();
}
var promises = [];
this.transceivers.forEach(function (transceiver) {
['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport', 'dtlsTransport'].forEach(function (method) {
if (transceiver[method]) {
promises.push(transceiver[method].getStats());
}
});
});
return Promise.all(promises).then(function (allStats) {
var results = new Map();
allStats.forEach(function (stats) {
stats.forEach(function (stat) {
results.set(stat.id, stat);
});
});
return results;
});
}; // fix low-level stat names and return Map instead of object.
var ortcObjects = ['RTCRtpSender', 'RTCRtpReceiver', 'RTCIceGatherer', 'RTCIceTransport', 'RTCDtlsTransport'];
ortcObjects.forEach(function (ortcObjectName) {
var obj = window[ortcObjectName];
if (obj && obj.prototype && obj.prototype.getStats) {
var nativeGetstats = obj.prototype.getStats;
obj.prototype.getStats = function () {
return nativeGetstats.apply(this).then(function (nativeStats) {
var mapStats = new Map();
Object.keys(nativeStats).forEach(function (id) {
nativeStats[id].type = fixStatsType(nativeStats[id]);
mapStats.set(id, nativeStats[id]);
});
return mapStats;
});
};
}
}); // legacy callback shims. Should be moved to adapter.js some days.
var methods = ['createOffer', 'createAnswer'];
methods.forEach(function (method) {
var nativeMethod = RTCPeerConnection.prototype[method];
RTCPeerConnection.prototype[method] = function () {
var args = arguments;
if (typeof args[0] === 'function' || typeof args[1] === 'function') {
// legacy
return nativeMethod.apply(this, [arguments[2]]).then(function (description) {
if (typeof args[0] === 'function') {
args[0].apply(null, [description]);
}
}, function (error) {
if (typeof args[1] === 'function') {
args[1].apply(null, [error]);
}
});
}
return nativeMethod.apply(this, arguments);
};
});
methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];
methods.forEach(function (method) {
var nativeMethod = RTCPeerConnection.prototype[method];
RTCPeerConnection.prototype[method] = function () {
var args = arguments;
if (typeof args[1] === 'function' || typeof args[2] === 'function') {
// legacy
return nativeMethod.apply(this, arguments).then(function () {
if (typeof args[1] === 'function') {
args[1].apply(null);
}
}, function (error) {
if (typeof args[2] === 'function') {
args[2].apply(null, [error]);
}
});
}
return nativeMethod.apply(this, arguments);
};
}); // getStats is special. It doesn't have a spec legacy method yet we support
// getStats(something, cb) without error callbacks.
['getStats'].forEach(function (method) {
var nativeMethod = RTCPeerConnection.prototype[method];
RTCPeerConnection.prototype[method] = function () {
var args = arguments;
if (typeof args[1] === 'function') {
return nativeMethod.apply(this, arguments).then(function () {
if (typeof args[1] === 'function') {
args[1].apply(null);
}
});
}
return nativeMethod.apply(this, arguments);
};
});
return RTCPeerConnection;
};
},{"sdp":"YHvh"}],"YdKx":[function(require,module,exports) {
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetUserMedia = shimGetUserMedia;
function shimGetUserMedia(window) {
var navigator = window && window.navigator;
var shimError_ = function (e) {
return {
name: {
PermissionDeniedError: 'NotAllowedError'
}[e.name] || e.name,
message: e.message,
constraint: e.constraint,
toString: function () {
return this.name;
}
};
}; // getUserMedia error shim.
var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
navigator.mediaDevices.getUserMedia = function (c) {
return origGetUserMedia(c).catch(function (e) {
return Promise.reject(shimError_(e));
});
};
}
},{}],"P3bV":[function(require,module,exports) {
/*
* Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetDisplayMedia = shimGetDisplayMedia;
function shimGetDisplayMedia(window) {
if (!('getDisplayMedia' in window.navigator)) {
return;
}
if (!window.navigator.mediaDevices) {
return;
}
if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
return;
}
window.navigator.mediaDevices.getDisplayMedia = window.navigator.getDisplayMedia.bind(window.navigator);
}
},{}],"XRic":[function(require,module,exports) {
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimPeerConnection = shimPeerConnection;
exports.shimReplaceTrack = shimReplaceTrack;
Object.defineProperty(exports, "shimGetUserMedia", {
enumerable: true,
get: function () {
return _getusermedia.shimGetUserMedia;
}
});
Object.defineProperty(exports, "shimGetDisplayMedia", {
enumerable: true,
get: function () {
return _getdisplaymedia.shimGetDisplayMedia;
}
});
var utils = _interopRequireWildcard(require("../utils"));
var _filtericeservers = require("./filtericeservers");
var _rtcpeerconnectionShim = _interopRequireDefault(require("rtcpeerconnection-shim"));
var _getusermedia = require("./getusermedia");
var _getdisplaymedia = require("./getdisplaymedia");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function shimPeerConnection(window, browserDetails) {
if (window.RTCIceGatherer) {
if (!window.RTCIceCandidate) {
window.RTCIceCandidate = function RTCIceCandidate(args) {
return args;
};
}
if (!window.RTCSessionDescription) {
window.RTCSessionDescription = function RTCSessionDescription(args) {
return args;
};
} // this adds an additional event listener to MediaStrackTrack that signals
// when a tracks enabled property was changed. Workaround for a bug in
// addStream, see below. No longer required in 15025+
if (browserDetails.version < 15025) {
var origMSTEnabled = Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype, 'enabled');
Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
set: function (value) {
origMSTEnabled.set.call(this, value);
var ev = new Event('enabled');
ev.enabled = value;
this.dispatchEvent(ev);
}
});
}
} // ORTC defines the DTMF sender a bit different.
// https://github.com/w3c/ortc/issues/714
if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
get: function () {
if (this._dtmf === undefined) {
if (this.track.kind === 'audio') {
this._dtmf = new window.RTCDtmfSender(this);
} else if (this.track.kind === 'video') {
this._dtmf = null;
}
}
return this._dtmf;
}
});
} // Edge currently only implements the RTCDtmfSender, not the
// RTCDTMFSender alias. See http://draft.ortc.org/#rtcdtmfsender2*
if (window.RTCDtmfSender && !window.RTCDTMFSender) {
window.RTCDTMFSender = window.RTCDtmfSender;
}
var RTCPeerConnectionShim = (0, _rtcpeerconnectionShim.default)(window, browserDetails.version);
window.RTCPeerConnection = function RTCPeerConnection(config) {
if (config && config.iceServers) {
config.iceServers = (0, _filtericeservers.filterIceServers)(config.iceServers, browserDetails.version);
utils.log('ICE servers after filtering:', config.iceServers);
}
return new RTCPeerConnectionShim(config);
};
window.RTCPeerConnection.prototype = RTCPeerConnectionShim.prototype;
}
function shimReplaceTrack(window) {
// ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614
if (window.RTCRtpSender && !('replaceTrack' in window.RTCRtpSender.prototype)) {
window.RTCRtpSender.prototype.replaceTrack = window.RTCRtpSender.prototype.setTrack;
}
}
},{"../utils":"iSxC","./filtericeservers":"NZ1C","rtcpeerconnection-shim":"NJ2u","./getusermedia":"YdKx","./getdisplaymedia":"P3bV"}],"GzSv":[function(require,module,exports) {
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetUserMedia = shimGetUserMedia;
var utils = _interopRequireWildcard(require("../utils"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function (obj) { return typeof obj; }; } else { _typeof = function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function shimGetUserMedia(window, browserDetails) {
var navigator = window && window.navigator;
var MediaStreamTrack = window && window.MediaStreamTrack;
navigator.getUserMedia = function (constraints, onSuccess, onError) {
// Replace Firefox 44+'s deprecation warning with unprefixed version.
utils.deprecated('navigator.getUserMedia', 'navigator.mediaDevices.getUserMedia');
navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
};
if (!(browserDetails.version > 55 && 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
var remap = function (obj, a, b) {
if (a in obj && !(b in obj)) {
obj[b] = obj[a];
delete obj[a];
}
};
var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
navigator.mediaDevices.getUserMedia = function (c) {
if (_typeof(c) === 'object' && _typeof(c.audio) === 'object') {
c = JSON.parse(JSON.stringify(c));
remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
}
return nativeGetUserMedia(c);
};
if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
MediaStreamTrack.prototype.getSettings = function () {
var obj = nativeGetSettings.apply(this, arguments);
remap(obj, 'mozAutoGainControl', 'autoGainControl');
remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
return obj;
};
}
if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
MediaStreamTrack.prototype.applyConstraints = function (c) {
if (this.kind === 'audio' && _typeof(c) === 'object') {
c = JSON.parse(JSON.stringify(c));
remap(c, 'autoGainControl', 'mozAutoGainControl');
remap(c, 'noiseSuppression', 'mozNoiseSuppression');
}
return nativeApplyConstraints.apply(this, [c]);
};
}
}
}
},{"../utils":"iSxC"}],"UuGU":[function(require,module,exports) {
/*
* Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimGetDisplayMedia = shimGetDisplayMedia;
function shimGetDisplayMedia(window, preferredMediaSource) {
if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {
return;
}
if (!window.navigator.mediaDevices) {
return;
}
window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {
if (!(constraints && constraints.video)) {
var err = new DOMException('getDisplayMedia without video ' + 'constraints is undefined');
err.name = 'NotFoundError'; // from https://heycam.github.io/webidl/#idl-DOMException-error-names
err.code = 8;
return Promise.reject(err);
}
if (constraints.video === true) {
constraints.video = {
mediaSource: preferredMediaSource
};
} else {
constraints.video.mediaSource = preferredMediaSource;
}
return window.navigator.mediaDevices.getUserMedia(constraints);
};
}
},{}],"Fzdr":[function(require,module,exports) {
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimOnTrack = shimOnTrack;
exports.shimPeerConnection = shimPeerConnection;
exports.shimSenderGetStats = shimSenderGetStats;
exports.shimReceiverGetStats = shimReceiverGetStats;
exports.shimRemoveStream = shimRemoveStream;
exports.shimRTCDataChannel = shimRTCDataChannel;
exports.shimAddTransceiver = shimAddTransceiver;
exports.shimGetParameters = shimGetParameters;
exports.shimCreateOffer = shimCreateOffer;
exports.shimCreateAnswer = shimCreateAnswer;
Object.defineProperty(exports, "shimGetUserMedia", {
enumerable: true,
get: function () {
return _getusermedia.shimGetUserMedia;
}
});
Object.defineProperty(exports, "shimGetDisplayMedia", {
enumerable: true,
get: function () {
return _getdisplaymedia.shimGetDisplayMedia;
}
});
var utils = _interopRequireWildcard(require("../utils"));
var _getusermedia = require("./getusermedia");
var _getdisplaymedia = require("./getdisplaymedia");
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function (obj) { return typeof obj; }; } else { _typeof = function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function shimOnTrack(window) {
if (_typeof(window) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {
Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
get: function () {
return {
receiver: this.receiver
};
}
});
}
}
function shimPeerConnection(window, browserDetails) {
if (_typeof(window) !== 'object' || !(window.RTCPeerConnection || window.mozRTCPeerConnection)) {
return; // probably media.peerconnection.enabled=false in about:config
}
if (!window.RTCPeerConnection && window.mozRTCPeerConnection) {
// very basic support for old versions.
window.RTCPeerConnection = window.mozRTCPeerConnection;
}
if (browserDetails.version < 53) {
// shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {
var nativeMethod = window.RTCPeerConnection.prototype[method];
var methodObj = _defineProperty({}, method, function () {
arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);
return nativeMethod.apply(this, arguments);
});
window.RTCPeerConnection.prototype[method] = methodObj[method];
});
}
var modernStatsTypes = {
inboundrtp: 'inbound-rtp',
outboundrtp: 'outbound-rtp',
candidatepair: 'candidate-pair',
localcandidate: 'local-candidate',
remotecandidate: 'remote-candidate'
};
var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
window.RTCPeerConnection.prototype.getStats = function getStats() {
var [selector, onSucc, onErr] = arguments;
return nativeGetStats.apply(this, [selector || null]).then(function (stats) {
if (browserDetails.version < 53 && !onSucc) {
// Shim only promise getStats with spec-hyphens in type names
// Leave callback version alone; misc old uses of forEach before Map
try {
stats.forEach(function (stat) {
stat.type = modernStatsTypes[stat.type] || stat.type;
});
} catch (e) {
if (e.name !== 'TypeError') {
throw e;
} // Avoid TypeError: "type" is read-only, in old versions. 34-43ish
stats.forEach(function (stat, i) {
stats.set(i, Object.assign({}, stat, {
type: modernStatsTypes[stat.type] || stat.type
}));
});
}
}
return stats;
}).then(onSucc, onErr);
};
}
function shimSenderGetStats(window) {
if (!(_typeof(window) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {
return;
}
if (window.RTCRtpSender && 'getStats' in window.RTCRtpSender.prototype) {
return;
}
var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
if (origGetSenders) {
window.RTCPeerConnection.prototype.getSenders = function getSenders() {
var _this = this;
var senders = origGetSenders.apply(this, []);
senders.forEach(function (sender) {
return sender._pc = _this;
});
return senders;
};
}
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
if (origAddTrack) {
window.RTCPeerConnection.prototype.addTrack = function addTrack() {
var sender = origAddTrack.apply(this, arguments);
sender._pc = this;
return sender;
};
}
window.RTCRtpSender.prototype.getStats = function getStats() {
return this.track ? this._pc.getStats(this.track) : Promise.resolve(new Map());
};
}
function shimReceiverGetStats(window) {
if (!(_typeof(window) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {
return;
}
if (window.RTCRtpSender && 'getStats' in window.RTCRtpReceiver.prototype) {
return;
}
var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;
if (origGetReceivers) {
window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {
var _this2 = this;
var receivers = origGetReceivers.apply(this, []);
receivers.forEach(function (receiver) {
return receiver._pc = _this2;
});
return receivers;
};
}
utils.wrapPeerConnectionEvent(window, 'track', function (e) {
e.receiver._pc = e.srcElement;
return e;
});
window.RTCRtpReceiver.prototype.getStats = function getStats() {
return this._pc.getStats(this.track);
};
}
function shimRemoveStream(window) {
if (!window.RTCPeerConnection || 'removeStream' in window.RTCPeerConnection.prototype) {
return;
}
window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
var _this3 = this;
utils.deprecated('removeStream', 'removeTrack');
this.getSenders().forEach(function (sender) {
if (sender.track && stream.getTracks().includes(sender.track)) {
_this3.removeTrack(sender);
}
});
};
}
function shimRTCDataChannel(window) {
// rename DataChannel to RTCDataChannel (native fix in FF60):
// https://bugzilla.mozilla.org/show_bug.cgi?id=1173851
if (window.DataChannel && !window.RTCDataChannel) {
window.RTCDataChannel = window.DataChannel;
}
}
function shimAddTransceiver(window) {
// https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
// Firefox ignores the init sendEncodings options passed to addTransceiver
// https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
if (!(_typeof(window) === 'object' && window.RTCPeerConnection)) {
return;
}
var origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver;
if (origAddTransceiver) {
window.RTCPeerConnection.prototype.addTransceiver = function addTransceiver() {
this.setParametersPromises = [];
var initParameters = arguments[1];
var shouldPerformCheck = initParameters && 'sendEncodings' in initParameters;
if (shouldPerformCheck) {
// If sendEncodings params are provided, validate grammar
initParameters.sendEncodings.forEach(function (encodingParam) {
if ('rid' in encodingParam) {
var ridRegex = /^[a-z0-9]{0,16}$/i;
if (!ridRegex.test(encodingParam.rid)) {
throw new TypeError('Invalid RID value provided.');
}
}
if ('scaleResolutionDownBy' in encodingParam) {
if (!(parseFloat(encodingParam.scaleResolutionDownBy) >= 1.0)) {
throw new RangeError('scale_resolution_down_by must be >= 1.0');
}
}
if ('maxFramerate' in encodingParam) {
if (!(parseFloat(encodingParam.maxFramerate) >= 0)) {
throw new RangeError('max_framerate must be >= 0.0');
}
}
});
}
var transceiver = origAddTransceiver.apply(this, arguments);
if (shouldPerformCheck) {
// Check if the init options were applied. If not we do this in an
// asynchronous way and save the promise reference in a global object.
// This is an ugly hack, but at the same time is way more robust than
// checking the sender parameters before and after the createOffer
// Also note that after the createoffer we are not 100% sure that
// the params were asynchronously applied so we might miss the
// opportunity to recreate offer.
var {
sender: sender
} = transceiver;
var params = sender.getParameters();
if (!('encodings' in params) || // Avoid being fooled by patched getParameters() below.
params.encodings.length === 1 && Object.keys(params.encodings[0]).length === 0) {
params.encodings = initParameters.sendEncodings;
sender.sendEncodings = initParameters.sendEncodings;
this.setParametersPromises.push(sender.setParameters(params).then(function () {
delete sender.sendEncodings;
}).catch(function () {
delete sender.sendEncodings;
}));
}
}
return transceiver;
};
}
}
function shimGetParameters(window) {
if (!(_typeof(window) === 'object' && window.RTCRtpSender)) {
return;
}
var origGetParameters = window.RTCRtpSender.prototype.getParameters;
if (origGetParameters) {
window.RTCRtpSender.prototype.getParameters = function getParameters() {
var params = origGetParameters.apply(this, arguments);
if (!('encodings' in params)) {
params.encodings = [].concat(this.sendEncodings || [{}]);
}
return params;
};
}
}
function shimCreateOffer(window) {
// https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
// Firefox ignores the init sendEncodings options passed to addTransceiver
// https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
if (!(_typeof(window) === 'object' && window.RTCPeerConnection)) {
return;
}
var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
window.RTCPeerConnection.prototype.createOffer = function createOffer() {
var _arguments = arguments,
_this4 = this;
if (this.setParametersPromises && this.setParametersPromises.length) {
return Promise.all(this.setParametersPromises).then(function () {
return origCreateOffer.apply(_this4, _arguments);
}).finally(function () {
_this4.setParametersPromises = [];
});
}
return origCreateOffer.apply(this, arguments);
};
}
function shimCreateAnswer(window) {
// https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647
// Firefox ignores the init sendEncodings options passed to addTransceiver
// https://bugzilla.mozilla.org/show_bug.cgi?id=1396918
if (!(_typeof(window) === 'object' && window.RTCPeerConnection)) {
return;
}
var origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer;
window.RTCPeerConnection.prototype.createAnswer = function createAnswer() {
var _arguments2 = arguments,
_this5 = this;
if (this.setParametersPromises && this.setParametersPromises.length) {
return Promise.all(this.setParametersPromises).then(function () {
return origCreateAnswer.apply(_this5, _arguments2);
}).finally(function () {
_this5.setParametersPromises = [];
});
}
return origCreateAnswer.apply(this, arguments);
};
}
},{"../utils":"iSxC","./getusermedia":"GzSv","./getdisplaymedia":"UuGU"}],"t1lL":[function(require,module,exports) {
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimLocalStreamsAPI = shimLocalStreamsAPI;
exports.shimRemoteStreamsAPI = shimRemoteStreamsAPI;
exports.shimCallbacksAPI = shimCallbacksAPI;
exports.shimGetUserMedia = shimGetUserMedia;
exports.shimConstraints = shimConstraints;
exports.shimRTCIceServerUrls = shimRTCIceServerUrls;
exports.shimTrackEventTransceiver = shimTrackEventTransceiver;
exports.shimCreateOfferLegacy = shimCreateOfferLegacy;
exports.shimAudioContext = shimAudioContext;
var utils = _interopRequireWildcard(require("../utils"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function (obj) { return typeof obj; }; } else { _typeof = function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function shimLocalStreamsAPI(window) {
if (_typeof(window) !== 'object' || !window.RTCPeerConnection) {
return;
}
if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {
if (!this._localStreams) {
this._localStreams = [];
}
return this._localStreams;
};
}
if (!('addStream' in window.RTCPeerConnection.prototype)) {
var _addTrack = window.RTCPeerConnection.prototype.addTrack;
window.RTCPeerConnection.prototype.addStream = function addStream(stream) {
var _this = this;
if (!this._localStreams) {
this._localStreams = [];
}
if (!this._localStreams.includes(stream)) {
this._localStreams.push(stream);
} // Try to emulate Chrome's behaviour of adding in audio-video order.
// Safari orders by track id.
stream.getAudioTracks().forEach(function (track) {
return _addTrack.call(_this, track, stream);
});
stream.getVideoTracks().forEach(function (track) {
return _addTrack.call(_this, track, stream);
});
};
window.RTCPeerConnection.prototype.addTrack = function addTrack(track) {
var _this2 = this;
for (var _len = arguments.length, streams = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
streams[_key - 1] = arguments[_key];
}
if (streams) {
streams.forEach(function (stream) {
if (!_this2._localStreams) {
_this2._localStreams = [stream];
} else if (!_this2._localStreams.includes(stream)) {
_this2._localStreams.push(stream);
}
});
}
return _addTrack.apply(this, arguments);
};
}
if (!('removeStream' in window.RTCPeerConnection.prototype)) {
window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {
var _this3 = this;
if (!this._localStreams) {
this._localStreams = [];
}
var index = this._localStreams.indexOf(stream);
if (index === -1) {
return;
}
this._localStreams.splice(index, 1);
var tracks = stream.getTracks();
this.getSenders().forEach(function (sender) {
if (tracks.includes(sender.track)) {
_this3.removeTrack(sender);
}
});
};
}
}
function shimRemoteStreamsAPI(window) {
if (_typeof(window) !== 'object' || !window.RTCPeerConnection) {
return;
}
if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
window.RTCPeerConnection.prototype.getRemoteStreams = function getRemoteStreams() {
return this._remoteStreams ? this._remoteStreams : [];
};
}
if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
get: function () {
return this._onaddstream;
},
set: function (f) {
var _this4 = this;
if (this._onaddstream) {
this.removeEventListener('addstream', this._onaddstream);
this.removeEventListener('track', this._onaddstreampoly);
}
this.addEventListener('addstream', this._onaddstream = f);
this.addEventListener('track', this._onaddstreampoly = function (e) {
e.streams.forEach(function (stream) {
if (!_this4._remoteStreams) {
_this4._remoteStreams = [];
}
if (_this4._remoteStreams.includes(stream)) {
return;
}
_this4._remoteStreams.push(stream);
var event = new Event('addstream');
event.stream = stream;
_this4.dispatchEvent(event);
});
});
}
});
var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
var pc = this;
if (!this._onaddstreampoly) {
this.addEventListener('track', this._onaddstreampoly = function (e) {
e.streams.forEach(function (stream) {
if (!pc._remoteStreams) {
pc._remoteStreams = [];
}
if (pc._remoteStreams.indexOf(stream) >= 0) {
return;
}
pc._remoteStreams.push(stream);
var event = new Event('addstream');
event.stream = stream;
pc.dispatchEvent(event);
});
});
}
return origSetRemoteDescription.apply(pc, arguments);
};
}
}
function shimCallbacksAPI(window) {
if (_typeof(window) !== 'object' || !window.RTCPeerConnection) {
return;
}
var prototype = window.RTCPeerConnection.prototype;
var origCreateOffer = prototype.createOffer;
var origCreateAnswer = prototype.createAnswer;
var setLocalDescription = prototype.setLocalDescription;
var setRemoteDescription = prototype.setRemoteDescription;
var addIceCandidate = prototype.addIceCandidate;
prototype.createOffer = function createOffer(successCallback, failureCallback) {
var options = arguments.length >= 2 ? arguments[2] : arguments[0];
var promise = origCreateOffer.apply(this, [options]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.createAnswer = function createAnswer(successCallback, failureCallback) {
var options = arguments.length >= 2 ? arguments[2] : arguments[0];
var promise = origCreateAnswer.apply(this, [options]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
var withCallback = function (description, successCallback, failureCallback) {
var promise = setLocalDescription.apply(this, [description]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.setLocalDescription = withCallback;
withCallback = function (description, successCallback, failureCallback) {
var promise = setRemoteDescription.apply(this, [description]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.setRemoteDescription = withCallback;
withCallback = function (candidate, successCallback, failureCallback) {
var promise = addIceCandidate.apply(this, [candidate]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.addIceCandidate = withCallback;
}
function shimGetUserMedia(window) {
var navigator = window && window.navigator;
if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
// shim not needed in Safari 12.1
var mediaDevices = navigator.mediaDevices;
var _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);
navigator.mediaDevices.getUserMedia = function (constraints) {
return _getUserMedia(shimConstraints(constraints));
};
}
if (!navigator.getUserMedia && navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
navigator.getUserMedia = function getUserMedia(constraints, cb, errcb) {
navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb);
}.bind(navigator);
}
}
function shimConstraints(constraints) {
if (constraints && constraints.video !== undefined) {
return Object.assign({}, constraints, {
video: utils.compactObject(constraints.video)
});
}
return constraints;
}
function shimRTCIceServerUrls(window) {
if (!window.RTCPeerConnection) {
return;
} // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
var OrigPeerConnection = window.RTCPeerConnection;
window.RTCPeerConnection = function RTCPeerConnection(pcConfig, pcConstraints) {
if (pcConfig && pcConfig.iceServers) {
var newIceServers = [];
for (var i = 0; i < pcConfig.iceServers.length; i++) {
var server = pcConfig.iceServers[i];
if (!server.hasOwnProperty('urls') && server.hasOwnProperty('url')) {
utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
server = JSON.parse(JSON.stringify(server));
server.urls = server.url;
delete server.url;
newIceServers.push(server);
} else {
newIceServers.push(pcConfig.iceServers[i]);
}
}
pcConfig.iceServers = newIceServers;
}
return new OrigPeerConnection(pcConfig, pcConstraints);
};
window.RTCPeerConnection.prototype = OrigPeerConnection.prototype; // wrap static methods. Currently just generateCertificate.
if ('generateCertificate' in OrigPeerConnection) {
Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
get: function () {
return OrigPeerConnection.generateCertificate;
}
});
}
}
function shimTrackEventTransceiver(window) {
// Add event.transceiver member over deprecated event.receiver
if (_typeof(window) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {
Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
get: function () {
return {
receiver: this.receiver
};
}
});
}
}
function shimCreateOfferLegacy(window) {
var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
window.RTCPeerConnection.prototype.createOffer = function createOffer(offerOptions) {
if (offerOptions) {
if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {
// support bit values
offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio;
}
var audioTransceiver = this.getTransceivers().find(function (transceiver) {
return transceiver.receiver.track.kind === 'audio';
});
if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
if (audioTransceiver.direction === 'sendrecv') {
if (audioTransceiver.setDirection) {
audioTransceiver.setDirection('sendonly');
} else {
audioTransceiver.direction = 'sendonly';
}
} else if (audioTransceiver.direction === 'recvonly') {
if (audioTransceiver.setDirection) {
audioTransceiver.setDirection('inactive');
} else {
audioTransceiver.direction = 'inactive';
}
}
} else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) {
this.addTransceiver('audio');
}
if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {
// support bit values
offerOptions.offerToReceiveVideo = !!offerOptions.offerToReceiveVideo;
}
var videoTransceiver = this.getTransceivers().find(function (transceiver) {
return transceiver.receiver.track.kind === 'video';
});
if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
if (videoTransceiver.direction === 'sendrecv') {
if (videoTransceiver.setDirection) {
videoTransceiver.setDirection('sendonly');
} else {
videoTransceiver.direction = 'sendonly';
}
} else if (videoTransceiver.direction === 'recvonly') {
if (videoTransceiver.setDirection) {
videoTransceiver.setDirection('inactive');
} else {
videoTransceiver.direction = 'inactive';
}
}
} else if (offerOptions.offerToReceiveVideo === true && !videoTransceiver) {
this.addTransceiver('video');
}
}
return origCreateOffer.apply(this, arguments);
};
}
function shimAudioContext(window) {
if (_typeof(window) !== 'object' || window.AudioContext) {
return;
}
window.AudioContext = window.webkitAudioContext;
}
},{"../utils":"iSxC"}],"GOQK":[function(require,module,exports) {
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.shimRTCIceCandidate = shimRTCIceCandidate;
exports.shimMaxMessageSize = shimMaxMessageSize;
exports.shimSendThrowTypeError = shimSendThrowTypeError;
exports.shimConnectionState = shimConnectionState;
exports.removeExtmapAllowMixed = removeExtmapAllowMixed;
exports.shimAddIceCandidateNullOrEmpty = shimAddIceCandidateNullOrEmpty;
var _sdp = _interopRequireDefault(require("sdp"));
var utils = _interopRequireWildcard(require("./utils"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function (obj) { return typeof obj; }; } else { _typeof = function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function shimRTCIceCandidate(window) {
// foundation is arbitrarily chosen as an indicator for full support for
// https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
if (!window.RTCIceCandidate || window.RTCIceCandidate && 'foundation' in window.RTCIceCandidate.prototype) {
return;
}
var NativeRTCIceCandidate = window.RTCIceCandidate;
window.RTCIceCandidate = function RTCIceCandidate(args) {
// Remove the a= which shouldn't be part of the candidate string.
if (_typeof(args) === 'object' && args.candidate && args.candidate.indexOf('a=') === 0) {
args = JSON.parse(JSON.stringify(args));
args.candidate = args.candidate.substr(2);
}
if (args.candidate && args.candidate.length) {
// Augment the native candidate with the parsed fields.
var nativeCandidate = new NativeRTCIceCandidate(args);
var parsedCandidate = _sdp.default.parseCandidate(args.candidate);
var augmentedCandidate = Object.assign(nativeCandidate, parsedCandidate); // Add a serializer that does not serialize the extra attributes.
augmentedCandidate.toJSON = function toJSON() {
return {
candidate: augmentedCandidate.candidate,
sdpMid: augmentedCandidate.sdpMid,
sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
usernameFragment: augmentedCandidate.usernameFragment
};
};
return augmentedCandidate;
}
return new NativeRTCIceCandidate(args);
};
window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype; // Hook up the augmented candidate in onicecandidate and
// addEventListener('icecandidate', ...)
utils.wrapPeerConnectionEvent(window, 'icecandidate', function (e) {
if (e.candidate) {
Object.defineProperty(e, 'candidate', {
value: new window.RTCIceCandidate(e.candidate),
writable: 'false'
});
}
return e;
});
}
function shimMaxMessageSize(window, browserDetails) {
if (!window.RTCPeerConnection) {
return;
}
if (!('sctp' in window.RTCPeerConnection.prototype)) {
Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
get: function () {
return typeof this._sctp === 'undefined' ? null : this._sctp;
}
});
}
var sctpInDescription = function (description) {
if (!description || !description.sdp) {
return false;
}
var sections = _sdp.default.splitSections(description.sdp);
sections.shift();
return sections.some(function (mediaSection) {
var mLine = _sdp.default.parseMLine(mediaSection);
return mLine && mLine.kind === 'application' && mLine.protocol.indexOf('SCTP') !== -1;
});
};
var getRemoteFirefoxVersion = function (description) {
// TODO: Is there a better solution for detecting Firefox?
var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
if (match === null || match.length < 2) {
return -1;
}
var version = parseInt(match[1], 10); // Test for NaN (yes, this is ugly)
return version !== version ? -1 : version;
};
var getCanSendMaxMessageSize = function (remoteIsFirefox) {
// Every implementation we know can send at least 64 KiB.
// Note: Although Chrome is technically able to send up to 256 KiB, the
// data does not reach the other peer reliably.
// See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
var canSendMaxMessageSize = 65536;
if (browserDetails.browser === 'firefox') {
if (browserDetails.version < 57) {
if (remoteIsFirefox === -1) {
// FF < 57 will send in 16 KiB chunks using the deprecated PPID
// fragmentation.
canSendMaxMessageSize = 16384;
} else {
// However, other FF (and RAWRTC) can reassemble PPID-fragmented
// messages. Thus, supporting ~2 GiB when sending.
canSendMaxMessageSize = 2147483637;
}
} else if (browserDetails.version < 60) {
// Currently, all FF >= 57 will reset the remote maximum message size
// to the default value when a data channel is created at a later
// stage. :(
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
canSendMaxMessageSize = browserDetails.version === 57 ? 65535 : 65536;
} else {
// FF >= 60 supports sending ~2 GiB
canSendMaxMessageSize = 2147483637;
}
}
return canSendMaxMessageSize;
};
var getMaxMessageSize = function (description, remoteIsFirefox) {
// Note: 65536 bytes is the default value from the SDP spec. Also,
// every implementation we know supports receiving 65536 bytes.
var maxMessageSize = 65536; // FF 57 has a slightly incorrect default remote max message size, so
// we need to adjust it here to avoid a failure when sending.
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
if (browserDetails.browser === 'firefox' && browserDetails.version === 57) {
maxMessageSize = 65535;
}
var match = _sdp.default.matchPrefix(description.sdp, 'a=max-message-size:');
if (match.length > 0) {
maxMessageSize = parseInt(match[0].substr(19), 10);
} else if (browserDetails.browser === 'firefox' && remoteIsFirefox !== -1) {
// If the maximum message size is not present in the remote SDP and
// both local and remote are Firefox, the remote peer can receive
// ~2 GiB.
maxMessageSize = 2147483637;
}
return maxMessageSize;
};
var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;
window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {
this._sctp = null; // Chrome decided to not expose .sctp in plan-b mode.
// As usual, adapter.js has to do an 'ugly worakaround'
// to cover up the mess.
if (browserDetails.browser === 'chrome' && browserDetails.version >= 76) {
var {
sdpSemantics: sdpSemantics
} = this.getConfiguration();
if (sdpSemantics === 'plan-b') {
Object.defineProperty(this, 'sctp', {
get: function () {
return typeof this._sctp === 'undefined' ? null : this._sctp;
},
enumerable: true,
configurable: true
});
}
}
if (sctpInDescription(arguments[0])) {
// Check if the remote is FF.
var isFirefox = getRemoteFirefoxVersion(arguments[0]); // Get the maximum message size the local peer is capable of sending
var canSendMMS = getCanSendMaxMessageSize(isFirefox); // Get the maximum message size of the remote peer.
var remoteMMS = getMaxMessageSize(arguments[0], isFirefox); // Determine final maximum message size
var maxMessageSize;
if (canSendMMS === 0 && remoteMMS === 0) {
maxMessageSize = Number.POSITIVE_INFINITY;
} else if (canSendMMS === 0 || remoteMMS === 0) {
maxMessageSize = Math.max(canSendMMS, remoteMMS);
} else {
maxMessageSize = Math.min(canSendMMS, remoteMMS);
} // Create a dummy RTCSctpTransport object and the 'maxMessageSize'
// attribute.
var sctp = {};
Object.defineProperty(sctp, 'maxMessageSize', {
get: function () {
return maxMessageSize;
}
});
this._sctp = sctp;
}
return origSetRemoteDescription.apply(this, arguments);
};
}
function shimSendThrowTypeError(window) {
if (!(window.RTCPeerConnection && 'createDataChannel' in window.RTCPeerConnection.prototype)) {
return;
} // Note: Although Firefox >= 57 has a native implementation, the maximum
// message size can be reset for all data channels at a later stage.
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
function wrapDcSend(dc, pc) {
var origDataChannelSend = dc.send;
dc.send = function send() {
var data = arguments[0];
var length = data.length || data.size || data.byteLength;
if (dc.readyState === 'open' && pc.sctp && length > pc.sctp.maxMessageSize) {
throw new TypeError('Message too large (can send a maximum of ' + pc.sctp.maxMessageSize + ' bytes)');
}
return origDataChannelSend.apply(dc, arguments);
};
}
var origCreateDataChannel = window.RTCPeerConnection.prototype.createDataChannel;
window.RTCPeerConnection.prototype.createDataChannel = function createDataChannel() {
var dataChannel = origCreateDataChannel.apply(this, arguments);
wrapDcSend(dataChannel, this);
return dataChannel;
};
utils.wrapPeerConnectionEvent(window, 'datachannel', function (e) {
wrapDcSend(e.channel, e.target);
return e;
});
}
/* shims RTCConnectionState by pretending it is the same as iceConnectionState.
* See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12
* for why this is a valid hack in Chrome. In Firefox it is slightly incorrect
* since DTLS failures would be hidden. See
* https://bugzilla.mozilla.org/show_bug.cgi?id=1265827
* for the Firefox tracking bug.
*/
function shimConnectionState(window) {
if (!window.RTCPeerConnection || 'connectionState' in window.RTCPeerConnection.prototype) {
return;
}
var proto = window.RTCPeerConnection.prototype;
Object.defineProperty(proto, 'connectionState', {
get: function () {
return {
completed: 'connected',
checking: 'connecting'
}[this.iceConnectionState] || this.iceConnectionState;
},
enumerable: true,
configurable: true
});
Object.defineProperty(proto, 'onconnectionstatechange', {
get: function () {
return this._onconnectionstatechange || null;
},
set: function (cb) {
if (this._onconnectionstatechange) {
this.removeEventListener('connectionstatechange', this._onconnectionstatechange);
delete this._onconnectionstatechange;
}
if (cb) {
this.addEventListener('connectionstatechange', this._onconnectionstatechange = cb);
}
},
enumerable: true,
configurable: true
});
['setLocalDescription', 'setRemoteDescription'].forEach(function (method) {
var origMethod = proto[method];
proto[method] = function () {
if (!this._connectionstatechangepoly) {
this._connectionstatechangepoly = function (e) {
var pc = e.target;
if (pc._lastConnectionState !== pc.connectionState) {
pc._lastConnectionState = pc.connectionState;
var newEvent = new Event('connectionstatechange', e);
pc.dispatchEvent(newEvent);
}
return e;
};
this.addEventListener('iceconnectionstatechange', this._connectionstatechangepoly);
}
return origMethod.apply(this, arguments);
};
});
}
function removeExtmapAllowMixed(window, browserDetails) {
/* remove a=extmap-allow-mixed for webrtc.org < M71 */
if (!window.RTCPeerConnection) {
return;
}
if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {
return;
}
if (browserDetails.browser === 'safari' && browserDetails.version >= 605) {
return;
}
var nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;
window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription(desc) {
if (desc && desc.sdp && desc.sdp.indexOf('\na=extmap-allow-mixed') !== -1) {
var sdp = desc.sdp.split('\n').filter(function (line) {
return line.trim() !== 'a=extmap-allow-mixed';
}).join('\n'); // Safari enforces read-only-ness of RTCSessionDescription fields.
if (window.RTCSessionDescription && desc instanceof window.RTCSessionDescription) {
arguments[0] = new window.RTCSessionDescription({
type: desc.type,
sdp: sdp
});
} else {
desc.sdp = sdp;
}
}
return nativeSRD.apply(this, arguments);
};
}
function shimAddIceCandidateNullOrEmpty(window, browserDetails) {
// Support for addIceCandidate(null or undefined)
// as well as addIceCandidate({candidate: "", ...})
// https://bugs.chromium.org/p/chromium/issues/detail?id=978582
// Note: must be called before other polyfills which change the signature.
if (!(window.RTCPeerConnection && window.RTCPeerConnection.prototype)) {
return;
}
var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;
if (!nativeAddIceCandidate || nativeAddIceCandidate.length === 0) {
return;
}
window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {
if (!arguments[0]) {
if (arguments[1]) {
arguments[1].apply(null);
}
return Promise.resolve();
} // Firefox 68+ emits and processes {candidate: "", ...}, ignore
// in older versions.
// Native support for ignoring exists for Chrome M77+.
// Safari ignores as well, exact version unknown but works in the same
// version that also ignores addIceCandidate(null).
if ((browserDetails.browser === 'chrome' && browserDetails.version < 78 || browserDetails.browser === 'firefox' && browserDetails.version < 68 || browserDetails.browser === 'safari') && arguments[0] && arguments[0].candidate === '') {
return Promise.resolve();
}
return nativeAddIceCandidate.apply(this, arguments);
};
}
},{"sdp":"YHvh","./utils":"iSxC"}],"KtlG":[function(require,module,exports) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.adapterFactory = adapterFactory;
var utils = _interopRequireWildcard(require("./utils"));
var chromeShim = _interopRequireWildcard(require("./chrome/chrome_shim"));
var edgeShim = _interopRequireWildcard(require("./edge/edge_shim"));
var firefoxShim = _interopRequireWildcard(require("./firefox/firefox_shim"));
var safariShim = _interopRequireWildcard(require("./safari/safari_shim"));
var commonShim = _interopRequireWildcard(require("./common_shim"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
// Browser shims.
// Shimming starts here.
function adapterFactory() {
var {
window: window
} = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
shimChrome: true,
shimFirefox: true,
shimEdge: true,
shimSafari: true
};
// Utils.
var logging = utils.log;
var browserDetails = utils.detectBrowser(window);
var adapter = {
browserDetails: browserDetails,
commonShim: commonShim,
extractVersion: utils.extractVersion,
disableLog: utils.disableLog,
disableWarnings: utils.disableWarnings
}; // Shim browser if found.
switch (browserDetails.browser) {
case 'chrome':
if (!chromeShim || !chromeShim.shimPeerConnection || !options.shimChrome) {
logging('Chrome shim is not included in this adapter release.');
return adapter;
}
if (browserDetails.version === null) {
logging('Chrome shim can not determine version, not shimming.');
return adapter;
}
logging('adapter.js shimming chrome.'); // Export to the adapter global object visible in the browser.
adapter.browserShim = chromeShim; // Must be called before shimPeerConnection.
commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
chromeShim.shimGetUserMedia(window, browserDetails);
chromeShim.shimMediaStream(window, browserDetails);
chromeShim.shimPeerConnection(window, browserDetails);
chromeShim.shimOnTrack(window, browserDetails);
chromeShim.shimAddTrackRemoveTrack(window, browserDetails);
chromeShim.shimGetSendersWithDtmf(window, browserDetails);
chromeShim.shimGetStats(window, browserDetails);
chromeShim.shimSenderReceiverGetStats(window, browserDetails);
chromeShim.fixNegotiationNeeded(window, browserDetails);
commonShim.shimRTCIceCandidate(window, browserDetails);
commonShim.shimConnectionState(window, browserDetails);
commonShim.shimMaxMessageSize(window, browserDetails);
commonShim.shimSendThrowTypeError(window, browserDetails);
commonShim.removeExtmapAllowMixed(window, browserDetails);
break;
case 'firefox':
if (!firefoxShim || !firefoxShim.shimPeerConnection || !options.shimFirefox) {
logging('Firefox shim is not included in this adapter release.');
return adapter;
}
logging('adapter.js shimming firefox.'); // Export to the adapter global object visible in the browser.
adapter.browserShim = firefoxShim; // Must be called before shimPeerConnection.
commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
firefoxShim.shimGetUserMedia(window, browserDetails);
firefoxShim.shimPeerConnection(window, browserDetails);
firefoxShim.shimOnTrack(window, browserDetails);
firefoxShim.shimRemoveStream(window, browserDetails);
firefoxShim.shimSenderGetStats(window, browserDetails);
firefoxShim.shimReceiverGetStats(window, browserDetails);
firefoxShim.shimRTCDataChannel(window, browserDetails);
firefoxShim.shimAddTransceiver(window, browserDetails);
firefoxShim.shimGetParameters(window, browserDetails);
firefoxShim.shimCreateOffer(window, browserDetails);
firefoxShim.shimCreateAnswer(window, browserDetails);
commonShim.shimRTCIceCandidate(window, browserDetails);
commonShim.shimConnectionState(window, browserDetails);
commonShim.shimMaxMessageSize(window, browserDetails);
commonShim.shimSendThrowTypeError(window, browserDetails);
break;
case 'edge':
if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {
logging('MS edge shim is not included in this adapter release.');
return adapter;
}
logging('adapter.js shimming edge.'); // Export to the adapter global object visible in the browser.
adapter.browserShim = edgeShim;
edgeShim.shimGetUserMedia(window, browserDetails);
edgeShim.shimGetDisplayMedia(window, browserDetails);
edgeShim.shimPeerConnection(window, browserDetails);
edgeShim.shimReplaceTrack(window, browserDetails); // the edge shim implements the full RTCIceCandidate object.
commonShim.shimMaxMessageSize(window, browserDetails);
commonShim.shimSendThrowTypeError(window, browserDetails);
break;
case 'safari':
if (!safariShim || !options.shimSafari) {
logging('Safari shim is not included in this adapter release.');
return adapter;
}
logging('adapter.js shimming safari.'); // Export to the adapter global object visible in the browser.
adapter.browserShim = safariShim; // Must be called before shimCallbackAPI.
commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
safariShim.shimRTCIceServerUrls(window, browserDetails);
safariShim.shimCreateOfferLegacy(window, browserDetails);
safariShim.shimCallbacksAPI(window, browserDetails);
safariShim.shimLocalStreamsAPI(window, browserDetails);
safariShim.shimRemoteStreamsAPI(window, browserDetails);
safariShim.shimTrackEventTransceiver(window, browserDetails);
safariShim.shimGetUserMedia(window, browserDetails);
safariShim.shimAudioContext(window, browserDetails);
commonShim.shimRTCIceCandidate(window, browserDetails);
commonShim.shimMaxMessageSize(window, browserDetails);
commonShim.shimSendThrowTypeError(window, browserDetails);
commonShim.removeExtmapAllowMixed(window, browserDetails);
break;
default:
logging('Unsupported browser!');
break;
}
return adapter;
}
},{"./utils":"iSxC","./chrome/chrome_shim":"uI5X","./edge/edge_shim":"XRic","./firefox/firefox_shim":"Fzdr","./safari/safari_shim":"t1lL","./common_shim":"GOQK"}],"tI1X":[function(require,module,exports) {
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _adapter_factory = require("./adapter_factory.js");
var adapter = (0, _adapter_factory.adapterFactory)({
window: typeof window === 'undefined' ? undefined : window
});
var _default = adapter;
exports.default = _default;
},{"./adapter_factory.js":"KtlG"}],"sXtV":[function(require,module,exports) {
"use strict";
var __importDefault = this && this.__importDefault || function (mod) {
return mod && mod.__esModule ? mod : {
"default": mod
};
};
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.webRTCAdapter = void 0;
var webrtc_adapter_1 = __importDefault(require("webrtc-adapter"));
exports.webRTCAdapter = webrtc_adapter_1.default;
},{"webrtc-adapter":"tI1X"}],"I31f":[function(require,module,exports) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Supports = void 0;
var adapter_1 = require("./adapter");
exports.Supports = new (
/** @class */
function () {
function class_1() {
this.isIOS = ['iPad', 'iPhone', 'iPod'].includes(navigator.platform);
this.supportedBrowsers = ['firefox', 'chrome', 'safari'];
this.minFirefoxVersion = 59;
this.minChromeVersion = 72;
this.minSafariVersion = 605;
}
class_1.prototype.isWebRTCSupported = function () {
return typeof RTCPeerConnection !== 'undefined';
};
class_1.prototype.isBrowserSupported = function () {
var browser = this.getBrowser();
var version = this.getVersion();
var validBrowser = this.supportedBrowsers.includes(browser);
if (!validBrowser) return false;
if (browser === 'chrome') return version >= this.minChromeVersion;
if (browser === 'firefox') return version >= this.minFirefoxVersion;
if (browser === 'safari') return !this.isIOS && version >= this.minSafariVersion;
return false;
};
class_1.prototype.getBrowser = function () {
return adapter_1.webRTCAdapter.browserDetails.browser;
};
class_1.prototype.getVersion = function () {
return adapter_1.webRTCAdapter.browserDetails.version || 0;
};
class_1.prototype.isUnifiedPlanSupported = function () {
var browser = this.getBrowser();
var version = adapter_1.webRTCAdapter.browserDetails.version || 0;
if (browser === 'chrome' && version < 72) return false;
if (browser === 'firefox' && version >= 59) return true;
if (!window.RTCRtpTransceiver || !('currentDirection' in RTCRtpTransceiver.prototype)) return false;
var tempPc;
var supported = false;
try {
tempPc = new RTCPeerConnection();
tempPc.addTransceiver('audio');
supported = true;
} catch (e) {} finally {
if (tempPc) {
tempPc.close();
}
}
return supported;
};
class_1.prototype.toString = function () {
return "Supports: \n browser:" + this.getBrowser() + " \n version:" + this.getVersion() + " \n isIOS:" + this.isIOS + " \n isWebRTCSupported:" + this.isWebRTCSupported() + " \n isBrowserSupported:" + this.isBrowserSupported() + " \n isUnifiedPlanSupported:" + this.isUnifiedPlanSupported();
};
return class_1;
}())();
},{"./adapter":"sXtV"}],"BHXf":[function(require,module,exports) {
"use strict";
var __createBinding = this && this.__createBinding || (Object.create ? function (o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, {
enumerable: true,
get: function get() {
return m[k];
}
});
} : function (o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
});
var __setModuleDefault = this && this.__setModuleDefault || (Object.create ? function (o, v) {
Object.defineProperty(o, "default", {
enumerable: true,
value: v
});
} : function (o, v) {
o["default"] = v;
});
var __importStar = this && this.__importStar || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) {
if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
}
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.util = void 0;
var BinaryPack = __importStar(require("peerjs-js-binarypack"));
var supports_1 = require("./supports");
var DEFAULT_CONFIG = {
iceServers: [{
urls: "stun:stun.l.google.com:19302"
}, {
urls: "turn:0.peerjs.com:3478",
username: "peerjs",
credential: "peerjsp"
}],
sdpSemantics: "unified-plan"
};
exports.util = new (
/** @class */
function () {
function class_1() {
this.CLOUD_HOST = "0.peerjs.com";
this.CLOUD_PORT = 443; // Browsers that need chunking:
this.chunkedBrowsers = {
Chrome: 1,
chrome: 1
};
this.chunkedMTU = 16300; // The original 60000 bytes setting does not work when sending data from Firefox to Chrome, which is "cut off" after 16384 bytes and delivered individually.
// Returns browser-agnostic default config
this.defaultConfig = DEFAULT_CONFIG;
this.browser = supports_1.Supports.getBrowser();
this.browserVersion = supports_1.Supports.getVersion(); // Lists which features are supported
this.supports = function () {
var supported = {
browser: supports_1.Supports.isBrowserSupported(),
webRTC: supports_1.Supports.isWebRTCSupported(),
audioVideo: false,
data: false,
binaryBlob: false,
reliable: false
};
if (!supported.webRTC) return supported;
var pc;
try {
pc = new RTCPeerConnection(DEFAULT_CONFIG);
supported.audioVideo = true;
var dc = void 0;
try {
dc = pc.createDataChannel("_PEERJSTEST", {
ordered: true
});
supported.data = true;
supported.reliable = !!dc.ordered; // Binary test
try {
dc.binaryType = "blob";
supported.binaryBlob = !supports_1.Supports.isIOS;
} catch (e) {}
} catch (e) {} finally {
if (dc) {
dc.close();
}
}
} catch (e) {} finally {
if (pc) {
pc.close();
}
}
return supported;
}();
this.pack = BinaryPack.pack;
this.unpack = BinaryPack.unpack; // Binary stuff
this._dataCount = 1;
}
class_1.prototype.noop = function () {}; // Ensure alphanumeric ids
class_1.prototype.validateId = function (id) {
// Allow empty ids
return !id || /^[A-Za-z0-9]+(?:[ _-][A-Za-z0-9]+)*$/.test(id);
};
class_1.prototype.chunk = function (blob) {
var chunks = [];
var size = blob.size;
var total = Math.ceil(size / exports.util.chunkedMTU);
var index = 0;
var start = 0;
while (start < size) {
var end = Math.min(size, start + exports.util.chunkedMTU);
var b = blob.slice(start, end);
var chunk = {
__peerData: this._dataCount,
n: index,
data: b,
total: total
};
chunks.push(chunk);
start = end;
index++;
}
this._dataCount++;
return chunks;
};
class_1.prototype.blobToArrayBuffer = function (blob, cb) {
var fr = new FileReader();
fr.onload = function (evt) {
if (evt.target) {
cb(evt.target.result);
}
};
fr.readAsArrayBuffer(blob);
return fr;
};
class_1.prototype.binaryStringToArrayBuffer = function (binary) {
var byteArray = new Uint8Array(binary.length);
for (var i = 0; i < binary.length; i++) {
byteArray[i] = binary.charCodeAt(i) & 0xff;
}
return byteArray.buffer;
};
class_1.prototype.randomToken = function () {
return Math.random().toString(36).substr(2);
};
class_1.prototype.isSecure = function () {
return location.protocol === "https:";
};
return class_1;
}())();
},{"peerjs-js-binarypack":"kdPp","./supports":"I31f"}],"JJlS":[function(require,module,exports) {
'use strict';
var has = Object.prototype.hasOwnProperty
, prefix = '~';
/**
* Constructor to create a storage for our `EE` objects.
* An `Events` instance is a plain object whose properties are event names.
*
* @constructor
* @private
*/
function Events() {}
//
// We try to not inherit from `Object.prototype`. In some engines creating an
// instance in this way is faster than calling `Object.create(null)` directly.
// If `Object.create(null)` is not supported we prefix the event names with a
// character to make sure that the built-in object properties are not
// overridden or used as an attack vector.
//
if (Object.create) {
Events.prototype = Object.create(null);
//
// This hack is needed because the `__proto__` property is still inherited in
// some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.
//
if (!new Events().__proto__) prefix = false;
}
/**
* Representation of a single event listener.
*
* @param {Function} fn The listener function.
* @param {*} context The context to invoke the listener with.
* @param {Boolean} [once=false] Specify if the listener is a one-time listener.
* @constructor
* @private
*/
function EE(fn, context, once) {
this.fn = fn;
this.context = context;
this.once = once || false;
}
/**
* Add a listener for a given event.
*
* @param {EventEmitter} emitter Reference to the `EventEmitter` instance.
* @param {(String|Symbol)} event The event name.
* @param {Function} fn The listener function.
* @param {*} context The context to invoke the listener with.
* @param {Boolean} once Specify if the listener is a one-time listener.
* @returns {EventEmitter}
* @private
*/
function addListener(emitter, event, fn, context, once) {
if (typeof fn !== 'function') {
throw new TypeError('The listener must be a function');
}
var listener = new EE(fn, context || emitter, once)
, evt = prefix ? prefix + event : event;
if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;
else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);
else emitter._events[evt] = [emitter._events[evt], listener];
return emitter;
}
/**
* Clear event by name.
*
* @param {EventEmitter} emitter Reference to the `EventEmitter` instance.
* @param {(String|Symbol)} evt The Event name.
* @private
*/
function clearEvent(emitter, evt) {
if (--emitter._eventsCount === 0) emitter._events = new Events();
else delete emitter._events[evt];
}
/**
* Minimal `EventEmitter` interface that is molded against the Node.js
* `EventEmitter` interface.
*
* @constructor
* @public
*/
function EventEmitter() {
this._events = new Events();
this._eventsCount = 0;
}
/**
* Return an array listing the events for which the emitter has registered
* listeners.
*
* @returns {Array}
* @public
*/
EventEmitter.prototype.eventNames = function eventNames() {
var names = []
, events
, name;
if (this._eventsCount === 0) return names;
for (name in (events = this._events)) {
if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);
}
if (Object.getOwnPropertySymbols) {
return names.concat(Object.getOwnPropertySymbols(events));
}
return names;
};
/**
* Return the listeners registered for a given event.
*
* @param {(String|Symbol)} event The event name.
* @returns {Array} The registered listeners.
* @public
*/
EventEmitter.prototype.listeners = function listeners(event) {
var evt = prefix ? prefix + event : event
, handlers = this._events[evt];
if (!handlers) return [];
if (handlers.fn) return [handlers.fn];
for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {
ee[i] = handlers[i].fn;
}
return ee;
};
/**
* Return the number of listeners listening to a given event.
*
* @param {(String|Symbol)} event The event name.
* @returns {Number} The number of listeners.
* @public
*/
EventEmitter.prototype.listenerCount = function listenerCount(event) {
var evt = prefix ? prefix + event : event
, listeners = this._events[evt];
if (!listeners) return 0;
if (listeners.fn) return 1;
return listeners.length;
};
/**
* Calls each of the listeners registered for a given event.
*
* @param {(String|Symbol)} event The event name.
* @returns {Boolean} `true` if the event had listeners, else `false`.
* @public
*/
EventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {
var evt = prefix ? prefix + event : event;
if (!this._events[evt]) return false;
var listeners = this._events[evt]
, len = arguments.length
, args
, i;
if (listeners.fn) {
if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);
switch (len) {
case 1: return listeners.fn.call(listeners.context), true;
case 2: return listeners.fn.call(listeners.context, a1), true;
case 3: return listeners.fn.call(listeners.context, a1, a2), true;
case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;
case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;
case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;
}
for (i = 1, args = new Array(len -1); i < len; i++) {
args[i - 1] = arguments[i];
}
listeners.fn.apply(listeners.context, args);
} else {
var length = listeners.length
, j;
for (i = 0; i < length; i++) {
if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);
switch (len) {
case 1: listeners[i].fn.call(listeners[i].context); break;
case 2: listeners[i].fn.call(listeners[i].context, a1); break;
case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;
case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;
default:
if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {
args[j - 1] = arguments[j];
}
listeners[i].fn.apply(listeners[i].context, args);
}
}
}
return true;
};
/**
* Add a listener for a given event.
*
* @param {(String|Symbol)} event The event name.
* @param {Function} fn The listener function.
* @param {*} [context=this] The context to invoke the listener with.
* @returns {EventEmitter} `this`.
* @public
*/
EventEmitter.prototype.on = function on(event, fn, context) {
return addListener(this, event, fn, context, false);
};
/**
* Add a one-time listener for a given event.
*
* @param {(String|Symbol)} event The event name.
* @param {Function} fn The listener function.
* @param {*} [context=this] The context to invoke the listener with.
* @returns {EventEmitter} `this`.
* @public
*/
EventEmitter.prototype.once = function once(event, fn, context) {
return addListener(this, event, fn, context, true);
};
/**
* Remove the listeners of a given event.
*
* @param {(String|Symbol)} event The event name.
* @param {Function} fn Only remove the listeners that match this function.
* @param {*} context Only remove the listeners that have this context.
* @param {Boolean} once Only remove one-time listeners.
* @returns {EventEmitter} `this`.
* @public
*/
EventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {
var evt = prefix ? prefix + event : event;
if (!this._events[evt]) return this;
if (!fn) {
clearEvent(this, evt);
return this;
}
var listeners = this._events[evt];
if (listeners.fn) {
if (
listeners.fn === fn &&
(!once || listeners.once) &&
(!context || listeners.context === context)
) {
clearEvent(this, evt);
}
} else {
for (var i = 0, events = [], length = listeners.length; i < length; i++) {
if (
listeners[i].fn !== fn ||
(once && !listeners[i].once) ||
(context && listeners[i].context !== context)
) {
events.push(listeners[i]);
}
}
//
// Reset the array, or remove it completely if we have no more listeners.
//
if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;
else clearEvent(this, evt);
}
return this;
};
/**
* Remove all listeners, or those of the specified event.
*
* @param {(String|Symbol)} [event] The event name.
* @returns {EventEmitter} `this`.
* @public
*/
EventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {
var evt;
if (event) {
evt = prefix ? prefix + event : event;
if (this._events[evt]) clearEvent(this, evt);
} else {
this._events = new Events();
this._eventsCount = 0;
}
return this;
};
//
// Alias methods names because people roll like that.
//
EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
EventEmitter.prototype.addListener = EventEmitter.prototype.on;
//
// Expose the prefix.
//
EventEmitter.prefixed = prefix;
//
// Allow `EventEmitter` to be imported as module namespace.
//
EventEmitter.EventEmitter = EventEmitter;
//
// Expose the module.
//
if ('undefined' !== typeof module) {
module.exports = EventEmitter;
}
},{}],"WOs9":[function(require,module,exports) {
"use strict";
var __read = this && this.__read || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o),
r,
ar = [],
e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) {
ar.push(r.value);
}
} catch (error) {
e = {
error: error
};
} finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
} finally {
if (e) throw e.error;
}
}
return ar;
};
var __spreadArray = this && this.__spreadArray || function (to, from) {
for (var i = 0, il = from.length, j = to.length; i < il; i++, j++) {
to[j] = from[i];
}
return to;
};
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.LogLevel = void 0;
var LOG_PREFIX = 'PeerJS: ';
/*
Prints log messages depending on the debug level passed in. Defaults to 0.
0 Prints no logs.
1 Prints only errors.
2 Prints errors and warnings.
3 Prints all logs.
*/
var LogLevel;
(function (LogLevel) {
LogLevel[LogLevel["Disabled"] = 0] = "Disabled";
LogLevel[LogLevel["Errors"] = 1] = "Errors";
LogLevel[LogLevel["Warnings"] = 2] = "Warnings";
LogLevel[LogLevel["All"] = 3] = "All";
})(LogLevel = exports.LogLevel || (exports.LogLevel = {}));
var Logger =
/** @class */
function () {
function Logger() {
this._logLevel = LogLevel.Disabled;
}
Object.defineProperty(Logger.prototype, "logLevel", {
get: function get() {
return this._logLevel;
},
set: function set(logLevel) {
this._logLevel = logLevel;
},
enumerable: false,
configurable: true
});
Logger.prototype.log = function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
if (this._logLevel >= LogLevel.All) {
this._print.apply(this, __spreadArray([LogLevel.All], __read(args)));
}
};
Logger.prototype.warn = function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
if (this._logLevel >= LogLevel.Warnings) {
this._print.apply(this, __spreadArray([LogLevel.Warnings], __read(args)));
}
};
Logger.prototype.error = function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
if (this._logLevel >= LogLevel.Errors) {
this._print.apply(this, __spreadArray([LogLevel.Errors], __read(args)));
}
};
Logger.prototype.setLogFunction = function (fn) {
this._print = fn;
};
Logger.prototype._print = function (logLevel) {
var rest = [];
for (var _i = 1; _i < arguments.length; _i++) {
rest[_i - 1] = arguments[_i];
}
var copy = __spreadArray([LOG_PREFIX], __read(rest));
for (var i in copy) {
if (copy[i] instanceof Error) {
copy[i] = "(" + copy[i].name + ") " + copy[i].message;
}
}
if (logLevel >= LogLevel.All) {
console.log.apply(console, __spreadArray([], __read(copy)));
} else if (logLevel >= LogLevel.Warnings) {
console.warn.apply(console, __spreadArray(["WARNING"], __read(copy)));
} else if (logLevel >= LogLevel.Errors) {
console.error.apply(console, __spreadArray(["ERROR"], __read(copy)));
}
};
return Logger;
}();
exports.default = new Logger();
},{}],"ZRYf":[function(require,module,exports) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.ServerMessageType = exports.SocketEventType = exports.SerializationType = exports.PeerErrorType = exports.PeerEventType = exports.ConnectionType = exports.ConnectionEventType = void 0;
var ConnectionEventType;
(function (ConnectionEventType) {
ConnectionEventType["Open"] = "open";
ConnectionEventType["Stream"] = "stream";
ConnectionEventType["Data"] = "data";
ConnectionEventType["Close"] = "close";
ConnectionEventType["Error"] = "error";
ConnectionEventType["IceStateChanged"] = "iceStateChanged";
})(ConnectionEventType = exports.ConnectionEventType || (exports.ConnectionEventType = {}));
var ConnectionType;
(function (ConnectionType) {
ConnectionType["Data"] = "data";
ConnectionType["Media"] = "media";
})(ConnectionType = exports.ConnectionType || (exports.ConnectionType = {}));
var PeerEventType;
(function (PeerEventType) {
PeerEventType["Open"] = "open";
PeerEventType["Close"] = "close";
PeerEventType["Connection"] = "connection";
PeerEventType["Call"] = "call";
PeerEventType["Disconnected"] = "disconnected";
PeerEventType["Error"] = "error";
})(PeerEventType = exports.PeerEventType || (exports.PeerEventType = {}));
var PeerErrorType;
(function (PeerErrorType) {
PeerErrorType["BrowserIncompatible"] = "browser-incompatible";
PeerErrorType["Disconnected"] = "disconnected";
PeerErrorType["InvalidID"] = "invalid-id";
PeerErrorType["InvalidKey"] = "invalid-key";
PeerErrorType["Network"] = "network";
PeerErrorType["PeerUnavailable"] = "peer-unavailable";
PeerErrorType["SslUnavailable"] = "ssl-unavailable";
PeerErrorType["ServerError"] = "server-error";
PeerErrorType["SocketError"] = "socket-error";
PeerErrorType["SocketClosed"] = "socket-closed";
PeerErrorType["UnavailableID"] = "unavailable-id";
PeerErrorType["WebRTC"] = "webrtc";
})(PeerErrorType = exports.PeerErrorType || (exports.PeerErrorType = {}));
var SerializationType;
(function (SerializationType) {
SerializationType["Binary"] = "binary";
SerializationType["BinaryUTF8"] = "binary-utf8";
SerializationType["JSON"] = "json";
})(SerializationType = exports.SerializationType || (exports.SerializationType = {}));
var SocketEventType;
(function (SocketEventType) {
SocketEventType["Message"] = "message";
SocketEventType["Disconnected"] = "disconnected";
SocketEventType["Error"] = "error";
SocketEventType["Close"] = "close";
})(SocketEventType = exports.SocketEventType || (exports.SocketEventType = {}));
var ServerMessageType;
(function (ServerMessageType) {
ServerMessageType["Heartbeat"] = "HEARTBEAT";
ServerMessageType["Candidate"] = "CANDIDATE";
ServerMessageType["Offer"] = "OFFER";
ServerMessageType["Answer"] = "ANSWER";
ServerMessageType["Open"] = "OPEN";
ServerMessageType["Error"] = "ERROR";
ServerMessageType["IdTaken"] = "ID-TAKEN";
ServerMessageType["InvalidKey"] = "INVALID-KEY";
ServerMessageType["Leave"] = "LEAVE";
ServerMessageType["Expire"] = "EXPIRE"; // The offer sent to a peer has expired without response.
})(ServerMessageType = exports.ServerMessageType || (exports.ServerMessageType = {}));
},{}],"wJlv":[function(require,module,exports) {
"use strict";
var __extends = this && this.__extends || function () {
var _extendStatics = function extendStatics(d, b) {
_extendStatics = Object.setPrototypeOf || {
__proto__: []
} instanceof Array && function (d, b) {
d.__proto__ = b;
} || function (d, b) {
for (var p in b) {
if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];
}
};
return _extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
_extendStatics(d, b);
function __() {
this.constructor = d;
}
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
}();
var __read = this && this.__read || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o),
r,
ar = [],
e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) {
ar.push(r.value);
}
} catch (error) {
e = {
error: error
};
} finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
} finally {
if (e) throw e.error;
}
}
return ar;
};
var __spreadArray = this && this.__spreadArray || function (to, from) {
for (var i = 0, il = from.length, j = to.length; i < il; i++, j++) {
to[j] = from[i];
}
return to;
};
var __values = this && this.__values || function (o) {
var s = typeof Symbol === "function" && Symbol.iterator,
m = s && o[s],
i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function next() {
if (o && i >= o.length) o = void 0;
return {
value: o && o[i++],
done: !o
};
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __importDefault = this && this.__importDefault || function (mod) {
return mod && mod.__esModule ? mod : {
"default": mod
};
};
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Socket = void 0;
var eventemitter3_1 = require("eventemitter3");
var logger_1 = __importDefault(require("./logger"));
var enums_1 = require("./enums");
/**
* An abstraction on top of WebSockets to provide fastest
* possible connection for peers.
*/
var Socket =
/** @class */
function (_super) {
__extends(Socket, _super);
function Socket(secure, host, port, path, key, pingInterval) {
if (pingInterval === void 0) {
pingInterval = 5000;
}
var _this = _super.call(this) || this;
_this.pingInterval = pingInterval;
_this._disconnected = true;
_this._messagesQueue = [];
var wsProtocol = secure ? "wss://" : "ws://";
_this._baseUrl = wsProtocol + host + ":" + port + path + "peerjs?key=" + key;
return _this;
}
Socket.prototype.start = function (id, token) {
var _this = this;
this._id = id;
var wsUrl = this._baseUrl + "&id=" + id + "&token=" + token;
if (!!this._socket || !this._disconnected) {
return;
}
this._socket = new WebSocket(wsUrl);
this._disconnected = false;
this._socket.onmessage = function (event) {
var data;
try {
data = JSON.parse(event.data);
logger_1.default.log("Server message received:", data);
} catch (e) {
logger_1.default.log("Invalid server message", event.data);
return;
}
_this.emit(enums_1.SocketEventType.Message, data);
};
this._socket.onclose = function (event) {
if (_this._disconnected) {
return;
}
logger_1.default.log("Socket closed.", event);
_this._cleanup();
_this._disconnected = true;
_this.emit(enums_1.SocketEventType.Disconnected);
}; // Take care of the queue of connections if necessary and make sure Peer knows
// socket is open.
this._socket.onopen = function () {
if (_this._disconnected) {
return;
}
_this._sendQueuedMessages();
logger_1.default.log("Socket open");
_this._scheduleHeartbeat();
};
};
Socket.prototype._scheduleHeartbeat = function () {
var _this = this;
this._wsPingTimer = setTimeout(function () {
_this._sendHeartbeat();
}, this.pingInterval);
};
Socket.prototype._sendHeartbeat = function () {
if (!this._wsOpen()) {
logger_1.default.log("Cannot send heartbeat, because socket closed");
return;
}
var message = JSON.stringify({
type: enums_1.ServerMessageType.Heartbeat
});
this._socket.send(message);
this._scheduleHeartbeat();
};
/** Is the websocket currently open? */
Socket.prototype._wsOpen = function () {
return !!this._socket && this._socket.readyState === 1;
};
/** Send queued messages. */
Socket.prototype._sendQueuedMessages = function () {
var e_1, _a; //Create copy of queue and clear it,
//because send method push the message back to queue if smth will go wrong
var copiedQueue = __spreadArray([], __read(this._messagesQueue));
this._messagesQueue = [];
try {
for (var copiedQueue_1 = __values(copiedQueue), copiedQueue_1_1 = copiedQueue_1.next(); !copiedQueue_1_1.done; copiedQueue_1_1 = copiedQueue_1.next()) {
var message = copiedQueue_1_1.value;
this.send(message);
}
} catch (e_1_1) {
e_1 = {
error: e_1_1
};
} finally {
try {
if (copiedQueue_1_1 && !copiedQueue_1_1.done && (_a = copiedQueue_1.return)) _a.call(copiedQueue_1);
} finally {
if (e_1) throw e_1.error;
}
}
};
/** Exposed send for DC & Peer. */
Socket.prototype.send = function (data) {
if (this._disconnected) {
return;
} // If we didn't get an ID yet, we can't yet send anything so we should queue
// up these messages.
if (!this._id) {
this._messagesQueue.push(data);
return;
}
if (!data.type) {
this.emit(enums_1.SocketEventType.Error, "Invalid message");
return;
}
if (!this._wsOpen()) {
return;
}
var message = JSON.stringify(data);
this._socket.send(message);
};
Socket.prototype.close = function () {
if (this._disconnected) {
return;
}
this._cleanup();
this._disconnected = true;
};
Socket.prototype._cleanup = function () {
if (this._socket) {
this._socket.onopen = this._socket.onmessage = this._socket.onclose = null;
this._socket.close();
this._socket = undefined;
}
clearTimeout(this._wsPingTimer);
};
return Socket;
}(eventemitter3_1.EventEmitter);
exports.Socket = Socket;
},{"eventemitter3":"JJlS","./logger":"WOs9","./enums":"ZRYf"}],"HCdX":[function(require,module,exports) {
"use strict";
var __assign = this && this.__assign || function () {
__assign = Object.assign || function (t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) {
if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
}
}
return t;
};
return __assign.apply(this, arguments);
};
var __awaiter = this && this.__awaiter || function (thisArg, _arguments, P, generator) {
function adopt(value) {
return value instanceof P ? value : new P(function (resolve) {
resolve(value);
});
}
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) {
try {
step(generator.next(value));
} catch (e) {
reject(e);
}
}
function rejected(value) {
try {
step(generator["throw"](value));
} catch (e) {
reject(e);
}
}
function step(result) {
result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected);
}
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = this && this.__generator || function (thisArg, body) {
var _ = {
label: 0,
sent: function sent() {
if (t[0] & 1) throw t[1];
return t[1];
},
trys: [],
ops: []
},
f,
y,
t,
g;
return g = {
next: verb(0),
"throw": verb(1),
"return": verb(2)
}, typeof Symbol === "function" && (g[Symbol.iterator] = function () {
return this;
}), g;
function verb(n) {
return function (v) {
return step([n, v]);
};
}
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) {
try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0:
case 1:
t = op;
break;
case 4:
_.label++;
return {
value: op[1],
done: false
};
case 5:
_.label++;
y = op[1];
op = [0];
continue;
case 7:
op = _.ops.pop();
_.trys.pop();
continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) {
_ = 0;
continue;
}
if (op[0] === 3 && (!t || op[1] > t[0] && op[1] < t[3])) {
_.label = op[1];
break;
}
if (op[0] === 6 && _.label < t[1]) {
_.label = t[1];
t = op;
break;
}
if (t && _.label < t[2]) {
_.label = t[2];
_.ops.push(op);
break;
}
if (t[2]) _.ops.pop();
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
} catch (e) {
op = [6, e];
y = 0;
} finally {
f = t = 0;
}
}
if (op[0] & 5) throw op[1];
return {
value: op[0] ? op[1] : void 0,
done: true
};
}
};
var __importDefault = this && this.__importDefault || function (mod) {
return mod && mod.__esModule ? mod : {
"default": mod
};
};
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Negotiator = void 0;
var util_1 = require("./util");
var logger_1 = __importDefault(require("./logger"));
var enums_1 = require("./enums");
/**
* Manages all negotiations between Peers.
*/
var Negotiator =
/** @class */
function () {
function Negotiator(connection) {
this.connection = connection;
}
/** Returns a PeerConnection object set up correctly (for data, media). */
Negotiator.prototype.startConnection = function (options) {
var peerConnection = this._startPeerConnection(); // Set the connection's PC.
this.connection.peerConnection = peerConnection;
if (this.connection.type === enums_1.ConnectionType.Media && options._stream) {
this._addTracksToConnection(options._stream, peerConnection);
} // What do we need to do now?
if (options.originator) {
if (this.connection.type === enums_1.ConnectionType.Data) {
var dataConnection = this.connection;
var config = {
ordered: !!options.reliable
};
var dataChannel = peerConnection.createDataChannel(dataConnection.label, config);
dataConnection.initialize(dataChannel);
}
this._makeOffer();
} else {
this.handleSDP("OFFER", options.sdp);
}
};
/** Start a PC. */
Negotiator.prototype._startPeerConnection = function () {
logger_1.default.log("Creating RTCPeerConnection.");
var peerConnection = new RTCPeerConnection(this.connection.provider.options.config);
this._setupListeners(peerConnection);
return peerConnection;
};
/** Set up various WebRTC listeners. */
Negotiator.prototype._setupListeners = function (peerConnection) {
var _this = this;
var peerId = this.connection.peer;
var connectionId = this.connection.connectionId;
var connectionType = this.connection.type;
var provider = this.connection.provider; // ICE CANDIDATES.
logger_1.default.log("Listening for ICE candidates.");
peerConnection.onicecandidate = function (evt) {
if (!evt.candidate || !evt.candidate.candidate) return;
logger_1.default.log("Received ICE candidates for " + peerId + ":", evt.candidate);
provider.socket.send({
type: enums_1.ServerMessageType.Candidate,
payload: {
candidate: evt.candidate,
type: connectionType,
connectionId: connectionId
},
dst: peerId
});
};
peerConnection.oniceconnectionstatechange = function () {
switch (peerConnection.iceConnectionState) {
case "failed":
logger_1.default.log("iceConnectionState is failed, closing connections to " + peerId);
_this.connection.emit(enums_1.ConnectionEventType.Error, new Error("Negotiation of connection to " + peerId + " failed."));
_this.connection.close();
break;
case "closed":
logger_1.default.log("iceConnectionState is closed, closing connections to " + peerId);
_this.connection.emit(enums_1.ConnectionEventType.Error, new Error("Connection to " + peerId + " closed."));
_this.connection.close();
break;
case "disconnected":
logger_1.default.log("iceConnectionState changed to disconnected on the connection with " + peerId);
break;
case "completed":
peerConnection.onicecandidate = util_1.util.noop;
break;
}
_this.connection.emit(enums_1.ConnectionEventType.IceStateChanged, peerConnection.iceConnectionState);
}; // DATACONNECTION.
logger_1.default.log("Listening for data channel"); // Fired between offer and answer, so options should already be saved
// in the options hash.
peerConnection.ondatachannel = function (evt) {
logger_1.default.log("Received data channel");
var dataChannel = evt.channel;
var connection = provider.getConnection(peerId, connectionId);
connection.initialize(dataChannel);
}; // MEDIACONNECTION.
logger_1.default.log("Listening for remote stream");
peerConnection.ontrack = function (evt) {
logger_1.default.log("Received remote stream");
var stream = evt.streams[0];
var connection = provider.getConnection(peerId, connectionId);
if (connection.type === enums_1.ConnectionType.Media) {
var mediaConnection = connection;
_this._addStreamToMediaConnection(stream, mediaConnection);
}
};
};
Negotiator.prototype.cleanup = function () {
logger_1.default.log("Cleaning up PeerConnection to " + this.connection.peer);
var peerConnection = this.connection.peerConnection;
if (!peerConnection) {
return;
}
this.connection.peerConnection = null; //unsubscribe from all PeerConnection's events
peerConnection.onicecandidate = peerConnection.oniceconnectionstatechange = peerConnection.ondatachannel = peerConnection.ontrack = function () {};
var peerConnectionNotClosed = peerConnection.signalingState !== "closed";
var dataChannelNotClosed = false;
if (this.connection.type === enums_1.ConnectionType.Data) {
var dataConnection = this.connection;
var dataChannel = dataConnection.dataChannel;
if (dataChannel) {
dataChannelNotClosed = !!dataChannel.readyState && dataChannel.readyState !== "closed";
}
}
if (peerConnectionNotClosed || dataChannelNotClosed) {
peerConnection.close();
}
};
Negotiator.prototype._makeOffer = function () {
return __awaiter(this, void 0, Promise, function () {
var peerConnection, provider, offer, payload, dataConnection, err_2, err_1_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
peerConnection = this.connection.peerConnection;
provider = this.connection.provider;
_a.label = 1;
case 1:
_a.trys.push([1, 7,, 8]);
return [4
/*yield*/
, peerConnection.createOffer(this.connection.options.constraints)];
case 2:
offer = _a.sent();
logger_1.default.log("Created offer.");
if (this.connection.options.sdpTransform && typeof this.connection.options.sdpTransform === 'function') {
offer.sdp = this.connection.options.sdpTransform(offer.sdp) || offer.sdp;
}
_a.label = 3;
case 3:
_a.trys.push([3, 5,, 6]);
return [4
/*yield*/
, peerConnection.setLocalDescription(offer)];
case 4:
_a.sent();
logger_1.default.log("Set localDescription:", offer, "for:" + this.connection.peer);
payload = {
sdp: offer,
type: this.connection.type,
connectionId: this.connection.connectionId,
metadata: this.connection.metadata,
browser: util_1.util.browser
};
if (this.connection.type === enums_1.ConnectionType.Data) {
dataConnection = this.connection;
payload = __assign(__assign({}, payload), {
label: dataConnection.label,
reliable: dataConnection.reliable,
serialization: dataConnection.serialization
});
}
provider.socket.send({
type: enums_1.ServerMessageType.Offer,
payload: payload,
dst: this.connection.peer
});
return [3
/*break*/
, 6];
case 5:
err_2 = _a.sent(); // TODO: investigate why _makeOffer is being called from the answer
if (err_2 != "OperationError: Failed to set local offer sdp: Called in wrong state: kHaveRemoteOffer") {
provider.emitError(enums_1.PeerErrorType.WebRTC, err_2);
logger_1.default.log("Failed to setLocalDescription, ", err_2);
}
return [3
/*break*/
, 6];
case 6:
return [3
/*break*/
, 8];
case 7:
err_1_1 = _a.sent();
provider.emitError(enums_1.PeerErrorType.WebRTC, err_1_1);
logger_1.default.log("Failed to createOffer, ", err_1_1);
return [3
/*break*/
, 8];
case 8:
return [2
/*return*/
];
}
});
});
};
Negotiator.prototype._makeAnswer = function () {
return __awaiter(this, void 0, Promise, function () {
var peerConnection, provider, answer, err_3, err_1_2;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
peerConnection = this.connection.peerConnection;
provider = this.connection.provider;
_a.label = 1;
case 1:
_a.trys.push([1, 7,, 8]);
return [4
/*yield*/
, peerConnection.createAnswer()];
case 2:
answer = _a.sent();
logger_1.default.log("Created answer.");
if (this.connection.options.sdpTransform && typeof this.connection.options.sdpTransform === 'function') {
answer.sdp = this.connection.options.sdpTransform(answer.sdp) || answer.sdp;
}
_a.label = 3;
case 3:
_a.trys.push([3, 5,, 6]);
return [4
/*yield*/
, peerConnection.setLocalDescription(answer)];
case 4:
_a.sent();
logger_1.default.log("Set localDescription:", answer, "for:" + this.connection.peer);
provider.socket.send({
type: enums_1.ServerMessageType.Answer,
payload: {
sdp: answer,
type: this.connection.type,
connectionId: this.connection.connectionId,
browser: util_1.util.browser
},
dst: this.connection.peer
});
return [3
/*break*/
, 6];
case 5:
err_3 = _a.sent();
provider.emitError(enums_1.PeerErrorType.WebRTC, err_3);
logger_1.default.log("Failed to setLocalDescription, ", err_3);
return [3
/*break*/
, 6];
case 6:
return [3
/*break*/
, 8];
case 7:
err_1_2 = _a.sent();
provider.emitError(enums_1.PeerErrorType.WebRTC, err_1_2);
logger_1.default.log("Failed to create answer, ", err_1_2);
return [3
/*break*/
, 8];
case 8:
return [2
/*return*/
];
}
});
});
};
/** Handle an SDP. */
Negotiator.prototype.handleSDP = function (type, sdp) {
return __awaiter(this, void 0, Promise, function () {
var peerConnection, provider, self, err_4;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
sdp = new RTCSessionDescription(sdp);
peerConnection = this.connection.peerConnection;
provider = this.connection.provider;
logger_1.default.log("Setting remote description", sdp);
self = this;
_a.label = 1;
case 1:
_a.trys.push([1, 5,, 6]);
return [4
/*yield*/
, peerConnection.setRemoteDescription(sdp)];
case 2:
_a.sent();
logger_1.default.log("Set remoteDescription:" + type + " for:" + this.connection.peer);
if (!(type === "OFFER")) return [3
/*break*/
, 4];
return [4
/*yield*/
, self._makeAnswer()];
case 3:
_a.sent();
_a.label = 4;
case 4:
return [3
/*break*/
, 6];
case 5:
err_4 = _a.sent();
provider.emitError(enums_1.PeerErrorType.WebRTC, err_4);
logger_1.default.log("Failed to setRemoteDescription, ", err_4);
return [3
/*break*/
, 6];
case 6:
return [2
/*return*/
];
}
});
});
};
/** Handle a candidate. */
Negotiator.prototype.handleCandidate = function (ice) {
return __awaiter(this, void 0, Promise, function () {
var candidate, sdpMLineIndex, sdpMid, peerConnection, provider, err_5;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
logger_1.default.log("handleCandidate:", ice);
candidate = ice.candidate;
sdpMLineIndex = ice.sdpMLineIndex;
sdpMid = ice.sdpMid;
peerConnection = this.connection.peerConnection;
provider = this.connection.provider;
_a.label = 1;
case 1:
_a.trys.push([1, 3,, 4]);
return [4
/*yield*/
, peerConnection.addIceCandidate(new RTCIceCandidate({
sdpMid: sdpMid,
sdpMLineIndex: sdpMLineIndex,
candidate: candidate
}))];
case 2:
_a.sent();
logger_1.default.log("Added ICE candidate for:" + this.connection.peer);
return [3
/*break*/
, 4];
case 3:
err_5 = _a.sent();
provider.emitError(enums_1.PeerErrorType.WebRTC, err_5);
logger_1.default.log("Failed to handleCandidate, ", err_5);
return [3
/*break*/
, 4];
case 4:
return [2
/*return*/
];
}
});
});
};
Negotiator.prototype._addTracksToConnection = function (stream, peerConnection) {
logger_1.default.log("add tracks from stream " + stream.id + " to peer connection");
if (!peerConnection.addTrack) {
return logger_1.default.error("Your browser does't support RTCPeerConnection#addTrack. Ignored.");
}
stream.getTracks().forEach(function (track) {
peerConnection.addTrack(track, stream);
});
};
Negotiator.prototype._addStreamToMediaConnection = function (stream, mediaConnection) {
logger_1.default.log("add stream " + stream.id + " to media connection " + mediaConnection.connectionId);
mediaConnection.addStream(stream);
};
return Negotiator;
}();
exports.Negotiator = Negotiator;
},{"./util":"BHXf","./logger":"WOs9","./enums":"ZRYf"}],"tQFK":[function(require,module,exports) {
"use strict";
var __extends = this && this.__extends || function () {
var _extendStatics = function extendStatics(d, b) {
_extendStatics = Object.setPrototypeOf || {
__proto__: []
} instanceof Array && function (d, b) {
d.__proto__ = b;
} || function (d, b) {
for (var p in b) {
if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];
}
};
return _extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
_extendStatics(d, b);
function __() {
this.constructor = d;
}
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
}();
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.BaseConnection = void 0;
var eventemitter3_1 = require("eventemitter3");
var BaseConnection =
/** @class */
function (_super) {
__extends(BaseConnection, _super);
function BaseConnection(peer, provider, options) {
var _this = _super.call(this) || this;
_this.peer = peer;
_this.provider = provider;
_this.options = options;
_this._open = false;
_this.metadata = options.metadata;
return _this;
}
Object.defineProperty(BaseConnection.prototype, "open", {
get: function get() {
return this._open;
},
enumerable: false,
configurable: true
});
return BaseConnection;
}(eventemitter3_1.EventEmitter);
exports.BaseConnection = BaseConnection;
},{"eventemitter3":"JJlS"}],"dbHP":[function(require,module,exports) {
"use strict";
var __extends = this && this.__extends || function () {
var _extendStatics = function extendStatics(d, b) {
_extendStatics = Object.setPrototypeOf || {
__proto__: []
} instanceof Array && function (d, b) {
d.__proto__ = b;
} || function (d, b) {
for (var p in b) {
if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];
}
};
return _extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
_extendStatics(d, b);
function __() {
this.constructor = d;
}
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
}();
var __assign = this && this.__assign || function () {
__assign = Object.assign || function (t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) {
if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
}
}
return t;
};
return __assign.apply(this, arguments);
};
var __values = this && this.__values || function (o) {
var s = typeof Symbol === "function" && Symbol.iterator,
m = s && o[s],
i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function next() {
if (o && i >= o.length) o = void 0;
return {
value: o && o[i++],
done: !o
};
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __importDefault = this && this.__importDefault || function (mod) {
return mod && mod.__esModule ? mod : {
"default": mod
};
};
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.MediaConnection = void 0;
var util_1 = require("./util");
var logger_1 = __importDefault(require("./logger"));
var negotiator_1 = require("./negotiator");
var enums_1 = require("./enums");
var baseconnection_1 = require("./baseconnection");
/**
* Wraps the streaming interface between two Peers.
*/
var MediaConnection =
/** @class */
function (_super) {
__extends(MediaConnection, _super);
function MediaConnection(peerId, provider, options) {
var _this = _super.call(this, peerId, provider, options) || this;
_this._localStream = _this.options._stream;
_this.connectionId = _this.options.connectionId || MediaConnection.ID_PREFIX + util_1.util.randomToken();
_this._negotiator = new negotiator_1.Negotiator(_this);
if (_this._localStream) {
_this._negotiator.startConnection({
_stream: _this._localStream,
originator: true
});
}
return _this;
}
Object.defineProperty(MediaConnection.prototype, "type", {
get: function get() {
return enums_1.ConnectionType.Media;
},
enumerable: false,
configurable: true
});
Object.defineProperty(MediaConnection.prototype, "localStream", {
get: function get() {
return this._localStream;
},
enumerable: false,
configurable: true
});
Object.defineProperty(MediaConnection.prototype, "remoteStream", {
get: function get() {
return this._remoteStream;
},
enumerable: false,
configurable: true
});
MediaConnection.prototype.addStream = function (remoteStream) {
logger_1.default.log("Receiving stream", remoteStream);
this._remoteStream = remoteStream;
_super.prototype.emit.call(this, enums_1.ConnectionEventType.Stream, remoteStream); // Should we call this `open`?
};
MediaConnection.prototype.handleMessage = function (message) {
var type = message.type;
var payload = message.payload;
switch (message.type) {
case enums_1.ServerMessageType.Answer:
// Forward to negotiator
this._negotiator.handleSDP(type, payload.sdp);
this._open = true;
break;
case enums_1.ServerMessageType.Candidate:
this._negotiator.handleCandidate(payload.candidate);
break;
default:
logger_1.default.warn("Unrecognized message type:" + type + " from peer:" + this.peer);
break;
}
};
MediaConnection.prototype.answer = function (stream, options) {
var e_1, _a;
if (options === void 0) {
options = {};
}
if (this._localStream) {
logger_1.default.warn("Local stream already exists on this MediaConnection. Are you answering a call twice?");
return;
}
this._localStream = stream;
if (options && options.sdpTransform) {
this.options.sdpTransform = options.sdpTransform;
}
this._negotiator.startConnection(__assign(__assign({}, this.options._payload), {
_stream: stream
})); // Retrieve lost messages stored because PeerConnection not set up.
var messages = this.provider._getMessages(this.connectionId);
try {
for (var messages_1 = __values(messages), messages_1_1 = messages_1.next(); !messages_1_1.done; messages_1_1 = messages_1.next()) {
var message = messages_1_1.value;
this.handleMessage(message);
}
} catch (e_1_1) {
e_1 = {
error: e_1_1
};
} finally {
try {
if (messages_1_1 && !messages_1_1.done && (_a = messages_1.return)) _a.call(messages_1);
} finally {
if (e_1) throw e_1.error;
}
}
this._open = true;
};
/**
* Exposed functionality for users.
*/
/** Allows user to close connection. */
MediaConnection.prototype.close = function () {
if (this._negotiator) {
this._negotiator.cleanup();
this._negotiator = null;
}
this._localStream = null;
this._remoteStream = null;
if (this.provider) {
this.provider._removeConnection(this);
this.provider = null;
}
if (this.options && this.options._stream) {
this.options._stream = null;
}
if (!this.open) {
return;
}
this._open = false;
_super.prototype.emit.call(this, enums_1.ConnectionEventType.Close);
};
MediaConnection.ID_PREFIX = "mc_";
return MediaConnection;
}(baseconnection_1.BaseConnection);
exports.MediaConnection = MediaConnection;
},{"./util":"BHXf","./logger":"WOs9","./negotiator":"HCdX","./enums":"ZRYf","./baseconnection":"tQFK"}],"GGp6":[function(require,module,exports) {
"use strict";
var __extends = this && this.__extends || function () {
var _extendStatics = function extendStatics(d, b) {
_extendStatics = Object.setPrototypeOf || {
__proto__: []
} instanceof Array && function (d, b) {
d.__proto__ = b;
} || function (d, b) {
for (var p in b) {
if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];
}
};
return _extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
_extendStatics(d, b);
function __() {
this.constructor = d;
}
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
}();
var __importDefault = this && this.__importDefault || function (mod) {
return mod && mod.__esModule ? mod : {
"default": mod
};
};
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.EncodingQueue = void 0;
var eventemitter3_1 = require("eventemitter3");
var logger_1 = __importDefault(require("./logger"));
var EncodingQueue =
/** @class */
function (_super) {
__extends(EncodingQueue, _super);
function EncodingQueue() {
var _this = _super.call(this) || this;
_this.fileReader = new FileReader();
_this._queue = [];
_this._processing = false;
_this.fileReader.onload = function (evt) {
_this._processing = false;
if (evt.target) {
_this.emit('done', evt.target.result);
}
_this.doNextTask();
};
_this.fileReader.onerror = function (evt) {
logger_1.default.error("EncodingQueue error:", evt);
_this._processing = false;
_this.destroy();
_this.emit('error', evt);
};
return _this;
}
Object.defineProperty(EncodingQueue.prototype, "queue", {
get: function get() {
return this._queue;
},
enumerable: false,
configurable: true
});
Object.defineProperty(EncodingQueue.prototype, "size", {
get: function get() {
return this.queue.length;
},
enumerable: false,
configurable: true
});
Object.defineProperty(EncodingQueue.prototype, "processing", {
get: function get() {
return this._processing;
},
enumerable: false,
configurable: true
});
EncodingQueue.prototype.enque = function (blob) {
this.queue.push(blob);
if (this.processing) return;
this.doNextTask();
};
EncodingQueue.prototype.destroy = function () {
this.fileReader.abort();
this._queue = [];
};
EncodingQueue.prototype.doNextTask = function () {
if (this.size === 0) return;
if (this.processing) return;
this._processing = true;
this.fileReader.readAsArrayBuffer(this.queue.shift());
};
return EncodingQueue;
}(eventemitter3_1.EventEmitter);
exports.EncodingQueue = EncodingQueue;
},{"eventemitter3":"JJlS","./logger":"WOs9"}],"GBTQ":[function(require,module,exports) {
"use strict";
var __extends = this && this.__extends || function () {
var _extendStatics = function extendStatics(d, b) {
_extendStatics = Object.setPrototypeOf || {
__proto__: []
} instanceof Array && function (d, b) {
d.__proto__ = b;
} || function (d, b) {
for (var p in b) {
if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];
}
};
return _extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
_extendStatics(d, b);
function __() {
this.constructor = d;
}
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
}();
var __values = this && this.__values || function (o) {
var s = typeof Symbol === "function" && Symbol.iterator,
m = s && o[s],
i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function next() {
if (o && i >= o.length) o = void 0;
return {
value: o && o[i++],
done: !o
};
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __importDefault = this && this.__importDefault || function (mod) {
return mod && mod.__esModule ? mod : {
"default": mod
};
};
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.DataConnection = void 0;
var util_1 = require("./util");
var logger_1 = __importDefault(require("./logger"));
var negotiator_1 = require("./negotiator");
var enums_1 = require("./enums");
var baseconnection_1 = require("./baseconnection");
var encodingQueue_1 = require("./encodingQueue");
/**
* Wraps a DataChannel between two Peers.
*/
var DataConnection =
/** @class */
function (_super) {
__extends(DataConnection, _super);
function DataConnection(peerId, provider, options) {
var _this = _super.call(this, peerId, provider, options) || this;
_this.stringify = JSON.stringify;
_this.parse = JSON.parse;
_this._buffer = [];
_this._bufferSize = 0;
_this._buffering = false;
_this._chunkedData = {};
_this._encodingQueue = new encodingQueue_1.EncodingQueue();
_this.connectionId = _this.options.connectionId || DataConnection.ID_PREFIX + util_1.util.randomToken();
_this.label = _this.options.label || _this.connectionId;
_this.serialization = _this.options.serialization || enums_1.SerializationType.Binary;
_this.reliable = !!_this.options.reliable;
_this._encodingQueue.on('done', function (ab) {
_this._bufferedSend(ab);
});
_this._encodingQueue.on('error', function () {
logger_1.default.error("DC#" + _this.connectionId + ": Error occured in encoding from blob to arraybuffer, close DC");
_this.close();
});
_this._negotiator = new negotiator_1.Negotiator(_this);
_this._negotiator.startConnection(_this.options._payload || {
originator: true
});
return _this;
}
Object.defineProperty(DataConnection.prototype, "type", {
get: function get() {
return enums_1.ConnectionType.Data;
},
enumerable: false,
configurable: true
});
Object.defineProperty(DataConnection.prototype, "dataChannel", {
get: function get() {
return this._dc;
},
enumerable: false,
configurable: true
});
Object.defineProperty(DataConnection.prototype, "bufferSize", {
get: function get() {
return this._bufferSize;
},
enumerable: false,
configurable: true
});
/** Called by the Negotiator when the DataChannel is ready. */
DataConnection.prototype.initialize = function (dc) {
this._dc = dc;
this._configureDataChannel();
};
DataConnection.prototype._configureDataChannel = function () {
var _this = this;
if (!util_1.util.supports.binaryBlob || util_1.util.supports.reliable) {
this.dataChannel.binaryType = "arraybuffer";
}
this.dataChannel.onopen = function () {
logger_1.default.log("DC#" + _this.connectionId + " dc connection success");
_this._open = true;
_this.emit(enums_1.ConnectionEventType.Open);
};
this.dataChannel.onmessage = function (e) {
logger_1.default.log("DC#" + _this.connectionId + " dc onmessage:", e.data);
_this._handleDataMessage(e);
};
this.dataChannel.onclose = function () {
logger_1.default.log("DC#" + _this.connectionId + " dc closed for:", _this.peer);
_this.close();
};
}; // Handles a DataChannel message.
DataConnection.prototype._handleDataMessage = function (_a) {
var _this = this;
var data = _a.data;
var datatype = data.constructor;
var isBinarySerialization = this.serialization === enums_1.SerializationType.Binary || this.serialization === enums_1.SerializationType.BinaryUTF8;
var deserializedData = data;
if (isBinarySerialization) {
if (datatype === Blob) {
// Datatype should never be blob
util_1.util.blobToArrayBuffer(data, function (ab) {
var unpackedData = util_1.util.unpack(ab);
_this.emit(enums_1.ConnectionEventType.Data, unpackedData);
});
return;
} else if (datatype === ArrayBuffer) {
deserializedData = util_1.util.unpack(data);
} else if (datatype === String) {
// String fallback for binary data for browsers that don't support binary yet
var ab = util_1.util.binaryStringToArrayBuffer(data);
deserializedData = util_1.util.unpack(ab);
}
} else if (this.serialization === enums_1.SerializationType.JSON) {
deserializedData = this.parse(data);
} // Check if we've chunked--if so, piece things back together.
// We're guaranteed that this isn't 0.
if (deserializedData.__peerData) {
this._handleChunk(deserializedData);
return;
}
_super.prototype.emit.call(this, enums_1.ConnectionEventType.Data, deserializedData);
};
DataConnection.prototype._handleChunk = function (data) {
var id = data.__peerData;
var chunkInfo = this._chunkedData[id] || {
data: [],
count: 0,
total: data.total
};
chunkInfo.data[data.n] = data.data;
chunkInfo.count++;
this._chunkedData[id] = chunkInfo;
if (chunkInfo.total === chunkInfo.count) {
// Clean up before making the recursive call to `_handleDataMessage`.
delete this._chunkedData[id]; // We've received all the chunks--time to construct the complete data.
var data_1 = new Blob(chunkInfo.data);
this._handleDataMessage({
data: data_1
});
}
};
/**
* Exposed functionality for users.
*/
/** Allows user to close connection. */
DataConnection.prototype.close = function () {
this._buffer = [];
this._bufferSize = 0;
this._chunkedData = {};
if (this._negotiator) {
this._negotiator.cleanup();
this._negotiator = null;
}
if (this.provider) {
this.provider._removeConnection(this);
this.provider = null;
}
if (this.dataChannel) {
this.dataChannel.onopen = null;
this.dataChannel.onmessage = null;
this.dataChannel.onclose = null;
this._dc = null;
}
if (this._encodingQueue) {
this._encodingQueue.destroy();
this._encodingQueue.removeAllListeners();
this._encodingQueue = null;
}
if (!this.open) {
return;
}
this._open = false;
_super.prototype.emit.call(this, enums_1.ConnectionEventType.Close);
};
/** Allows user to send data. */
DataConnection.prototype.send = function (data, chunked) {
if (!this.open) {
_super.prototype.emit.call(this, enums_1.ConnectionEventType.Error, new Error("Connection is not open. You should listen for the `open` event before sending messages."));
return;
}
if (this.serialization === enums_1.SerializationType.JSON) {
this._bufferedSend(this.stringify(data));
} else if (this.serialization === enums_1.SerializationType.Binary || this.serialization === enums_1.SerializationType.BinaryUTF8) {
var blob = util_1.util.pack(data);
if (!chunked && blob.size > util_1.util.chunkedMTU) {
this._sendChunks(blob);
return;
}
if (!util_1.util.supports.binaryBlob) {
// We only do this if we really need to (e.g. blobs are not supported),
// because this conversion is costly.
this._encodingQueue.enque(blob);
} else {
this._bufferedSend(blob);
}
} else {
this._bufferedSend(data);
}
};
DataConnection.prototype._bufferedSend = function (msg) {
if (this._buffering || !this._trySend(msg)) {
this._buffer.push(msg);
this._bufferSize = this._buffer.length;
}
}; // Returns true if the send succeeds.
DataConnection.prototype._trySend = function (msg) {
var _this = this;
if (!this.open) {
return false;
}
if (this.dataChannel.bufferedAmount > DataConnection.MAX_BUFFERED_AMOUNT) {
this._buffering = true;
setTimeout(function () {
_this._buffering = false;
_this._tryBuffer();
}, 50);
return false;
}
try {
this.dataChannel.send(msg);
} catch (e) {
logger_1.default.error("DC#:" + this.connectionId + " Error when sending:", e);
this._buffering = true;
this.close();
return false;
}
return true;
}; // Try to send the first message in the buffer.
DataConnection.prototype._tryBuffer = function () {
if (!this.open) {
return;
}
if (this._buffer.length === 0) {
return;
}
var msg = this._buffer[0];
if (this._trySend(msg)) {
this._buffer.shift();
this._bufferSize = this._buffer.length;
this._tryBuffer();
}
};
DataConnection.prototype._sendChunks = function (blob) {
var e_1, _a;
var blobs = util_1.util.chunk(blob);
logger_1.default.log("DC#" + this.connectionId + " Try to send " + blobs.length + " chunks...");
try {
for (var blobs_1 = __values(blobs), blobs_1_1 = blobs_1.next(); !blobs_1_1.done; blobs_1_1 = blobs_1.next()) {
var blob_1 = blobs_1_1.value;
this.send(blob_1, true);
}
} catch (e_1_1) {
e_1 = {
error: e_1_1
};
} finally {
try {
if (blobs_1_1 && !blobs_1_1.done && (_a = blobs_1.return)) _a.call(blobs_1);
} finally {
if (e_1) throw e_1.error;
}
}
};
DataConnection.prototype.handleMessage = function (message) {
var payload = message.payload;
switch (message.type) {
case enums_1.ServerMessageType.Answer:
this._negotiator.handleSDP(message.type, payload.sdp);
break;
case enums_1.ServerMessageType.Candidate:
this._negotiator.handleCandidate(payload.candidate);
break;
default:
logger_1.default.warn("Unrecognized message type:", message.type, "from peer:", this.peer);
break;
}
};
DataConnection.ID_PREFIX = "dc_";
DataConnection.MAX_BUFFERED_AMOUNT = 8 * 1024 * 1024;
return DataConnection;
}(baseconnection_1.BaseConnection);
exports.DataConnection = DataConnection;
},{"./util":"BHXf","./logger":"WOs9","./negotiator":"HCdX","./enums":"ZRYf","./baseconnection":"tQFK","./encodingQueue":"GGp6"}],"in7L":[function(require,module,exports) {
"use strict";
var __awaiter = this && this.__awaiter || function (thisArg, _arguments, P, generator) {
function adopt(value) {
return value instanceof P ? value : new P(function (resolve) {
resolve(value);
});
}
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) {
try {
step(generator.next(value));
} catch (e) {
reject(e);
}
}
function rejected(value) {
try {
step(generator["throw"](value));
} catch (e) {
reject(e);
}
}
function step(result) {
result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected);
}
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = this && this.__generator || function (thisArg, body) {
var _ = {
label: 0,
sent: function sent() {
if (t[0] & 1) throw t[1];
return t[1];
},
trys: [],
ops: []
},
f,
y,
t,
g;
return g = {
next: verb(0),
"throw": verb(1),
"return": verb(2)
}, typeof Symbol === "function" && (g[Symbol.iterator] = function () {
return this;
}), g;
function verb(n) {
return function (v) {
return step([n, v]);
};
}
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) {
try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0:
case 1:
t = op;
break;
case 4:
_.label++;
return {
value: op[1],
done: false
};
case 5:
_.label++;
y = op[1];
op = [0];
continue;
case 7:
op = _.ops.pop();
_.trys.pop();
continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) {
_ = 0;
continue;
}
if (op[0] === 3 && (!t || op[1] > t[0] && op[1] < t[3])) {
_.label = op[1];
break;
}
if (op[0] === 6 && _.label < t[1]) {
_.label = t[1];
t = op;
break;
}
if (t && _.label < t[2]) {
_.label = t[2];
_.ops.push(op);
break;
}
if (t[2]) _.ops.pop();
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
} catch (e) {
op = [6, e];
y = 0;
} finally {
f = t = 0;
}
}
if (op[0] & 5) throw op[1];
return {
value: op[0] ? op[1] : void 0,
done: true
};
}
};
var __importDefault = this && this.__importDefault || function (mod) {
return mod && mod.__esModule ? mod : {
"default": mod
};
};
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.API = void 0;
var util_1 = require("./util");
var logger_1 = __importDefault(require("./logger"));
var API =
/** @class */
function () {
function API(_options) {
this._options = _options;
}
API.prototype._buildUrl = function (method) {
var protocol = this._options.secure ? "https://" : "http://";
var url = protocol + this._options.host + ":" + this._options.port + this._options.path + this._options.key + "/" + method;
var queryString = "?ts=" + new Date().getTime() + "" + Math.random();
url += queryString;
return url;
};
/** Get a unique ID from the server via XHR and initialize with it. */
API.prototype.retrieveId = function () {
return __awaiter(this, void 0, Promise, function () {
var url, response, error_1, pathError;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
url = this._buildUrl("id");
_a.label = 1;
case 1:
_a.trys.push([1, 3,, 4]);
return [4
/*yield*/
, fetch(url)];
case 2:
response = _a.sent();
if (response.status !== 200) {
throw new Error("Error. Status:" + response.status);
}
return [2
/*return*/
, response.text()];
case 3:
error_1 = _a.sent();
logger_1.default.error("Error retrieving ID", error_1);
pathError = "";
if (this._options.path === "/" && this._options.host !== util_1.util.CLOUD_HOST) {
pathError = " If you passed in a `path` to your self-hosted PeerServer, " + "you'll also need to pass in that same path when creating a new " + "Peer.";
}
throw new Error("Could not get an ID from the server." + pathError);
case 4:
return [2
/*return*/
];
}
});
});
};
/** @deprecated */
API.prototype.listAllPeers = function () {
return __awaiter(this, void 0, Promise, function () {
var url, response, helpfulError, error_2;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
url = this._buildUrl("peers");
_a.label = 1;
case 1:
_a.trys.push([1, 3,, 4]);
return [4
/*yield*/
, fetch(url)];
case 2:
response = _a.sent();
if (response.status !== 200) {
if (response.status === 401) {
helpfulError = "";
if (this._options.host === util_1.util.CLOUD_HOST) {
helpfulError = "It looks like you're using the cloud server. You can email " + "team@peerjs.com to enable peer listing for your API key.";
} else {
helpfulError = "You need to enable `allow_discovery` on your self-hosted " + "PeerServer to use this feature.";
}
throw new Error("It doesn't look like you have permission to list peers IDs. " + helpfulError);
}
throw new Error("Error. Status:" + response.status);
}
return [2
/*return*/
, response.json()];
case 3:
error_2 = _a.sent();
logger_1.default.error("Error retrieving list peers", error_2);
throw new Error("Could not get list peers from the server." + error_2);
case 4:
return [2
/*return*/
];
}
});
});
};
return API;
}();
exports.API = API;
},{"./util":"BHXf","./logger":"WOs9"}],"Hxpd":[function(require,module,exports) {
"use strict";
var __extends = this && this.__extends || function () {
var _extendStatics = function extendStatics(d, b) {
_extendStatics = Object.setPrototypeOf || {
__proto__: []
} instanceof Array && function (d, b) {
d.__proto__ = b;
} || function (d, b) {
for (var p in b) {
if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];
}
};
return _extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
_extendStatics(d, b);
function __() {
this.constructor = d;
}
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
}();
var __assign = this && this.__assign || function () {
__assign = Object.assign || function (t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) {
if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
}
}
return t;
};
return __assign.apply(this, arguments);
};
var __values = this && this.__values || function (o) {
var s = typeof Symbol === "function" && Symbol.iterator,
m = s && o[s],
i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function next() {
if (o && i >= o.length) o = void 0;
return {
value: o && o[i++],
done: !o
};
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __read = this && this.__read || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o),
r,
ar = [],
e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) {
ar.push(r.value);
}
} catch (error) {
e = {
error: error
};
} finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
} finally {
if (e) throw e.error;
}
}
return ar;
};
var __importDefault = this && this.__importDefault || function (mod) {
return mod && mod.__esModule ? mod : {
"default": mod
};
};
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Peer = void 0;
var eventemitter3_1 = require("eventemitter3");
var util_1 = require("./util");
var logger_1 = __importDefault(require("./logger"));
var socket_1 = require("./socket");
var mediaconnection_1 = require("./mediaconnection");
var dataconnection_1 = require("./dataconnection");
var enums_1 = require("./enums");
var api_1 = require("./api");
var PeerOptions =
/** @class */
function () {
function PeerOptions() {}
return PeerOptions;
}();
/**
* A peer who can initiate connections with other peers.
*/
var Peer =
/** @class */
function (_super) {
__extends(Peer, _super);
function Peer(id, options) {
var _this = _super.call(this) || this;
_this._id = null;
_this._lastServerId = null; // States.
_this._destroyed = false; // Connections have been killed
_this._disconnected = false; // Connection to PeerServer killed but P2P connections still active
_this._open = false; // Sockets and such are not yet open.
_this._connections = new Map(); // All connections for this peer.
_this._lostMessages = new Map(); // src => [list of messages]
var userId; // Deal with overloading
if (id && id.constructor == Object) {
options = id;
} else if (id) {
userId = id.toString();
} // Configurize options
options = __assign({
debug: 0,
host: util_1.util.CLOUD_HOST,
port: util_1.util.CLOUD_PORT,
path: "/",
key: Peer.DEFAULT_KEY,
token: util_1.util.randomToken(),
config: util_1.util.defaultConfig
}, options);
_this._options = options; // Detect relative URL host.
if (_this._options.host === "/") {
_this._options.host = window.location.hostname;
} // Set path correctly.
if (_this._options.path) {
if (_this._options.path[0] !== "/") {
_this._options.path = "/" + _this._options.path;
}
if (_this._options.path[_this._options.path.length - 1] !== "/") {
_this._options.path += "/";
}
} // Set whether we use SSL to same as current host
if (_this._options.secure === undefined && _this._options.host !== util_1.util.CLOUD_HOST) {
_this._options.secure = util_1.util.isSecure();
} else if (_this._options.host == util_1.util.CLOUD_HOST) {
_this._options.secure = true;
} // Set a custom log function if present
if (_this._options.logFunction) {
logger_1.default.setLogFunction(_this._options.logFunction);
}
logger_1.default.logLevel = _this._options.debug || 0;
_this._api = new api_1.API(options);
_this._socket = _this._createServerConnection(); // Sanity checks
// Ensure WebRTC supported
if (!util_1.util.supports.audioVideo && !util_1.util.supports.data) {
_this._delayedAbort(enums_1.PeerErrorType.BrowserIncompatible, "The current browser does not support WebRTC");
return _this;
} // Ensure alphanumeric id
if (!!userId && !util_1.util.validateId(userId)) {
_this._delayedAbort(enums_1.PeerErrorType.InvalidID, "ID \"" + userId + "\" is invalid");
return _this;
}
if (userId) {
_this._initialize(userId);
} else {
_this._api.retrieveId().then(function (id) {
return _this._initialize(id);
}).catch(function (error) {
return _this._abort(enums_1.PeerErrorType.ServerError, error);
});
}
return _this;
}
Object.defineProperty(Peer.prototype, "id", {
get: function get() {
return this._id;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Peer.prototype, "options", {
get: function get() {
return this._options;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Peer.prototype, "open", {
get: function get() {
return this._open;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Peer.prototype, "socket", {
get: function get() {
return this._socket;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Peer.prototype, "connections", {
/**
* @deprecated
* Return type will change from Object to Map<string,[]>
*/
get: function get() {
var e_1, _a;
var plainConnections = Object.create(null);
try {
for (var _b = __values(this._connections), _c = _b.next(); !_c.done; _c = _b.next()) {
var _d = __read(_c.value, 2),
k = _d[0],
v = _d[1];
plainConnections[k] = v;
}
} catch (e_1_1) {
e_1 = {
error: e_1_1
};
} finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
} finally {
if (e_1) throw e_1.error;
}
}
return plainConnections;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Peer.prototype, "destroyed", {
get: function get() {
return this._destroyed;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Peer.prototype, "disconnected", {
get: function get() {
return this._disconnected;
},
enumerable: false,
configurable: true
});
Peer.prototype._createServerConnection = function () {
var _this = this;
var socket = new socket_1.Socket(this._options.secure, this._options.host, this._options.port, this._options.path, this._options.key, this._options.pingInterval);
socket.on(enums_1.SocketEventType.Message, function (data) {
_this._handleMessage(data);
});
socket.on(enums_1.SocketEventType.Error, function (error) {
_this._abort(enums_1.PeerErrorType.SocketError, error);
});
socket.on(enums_1.SocketEventType.Disconnected, function () {
if (_this.disconnected) {
return;
}
_this.emitError(enums_1.PeerErrorType.Network, "Lost connection to server.");
_this.disconnect();
});
socket.on(enums_1.SocketEventType.Close, function () {
if (_this.disconnected) {
return;
}
_this._abort(enums_1.PeerErrorType.SocketClosed, "Underlying socket is already closed.");
});
return socket;
};
/** Initialize a connection with the server. */
Peer.prototype._initialize = function (id) {
this._id = id;
this.socket.start(id, this._options.token);
};
/** Handles messages from the server. */
Peer.prototype._handleMessage = function (message) {
var e_2, _a;
var type = message.type;
var payload = message.payload;
var peerId = message.src;
switch (type) {
case enums_1.ServerMessageType.Open:
// The connection to the server is open.
this._lastServerId = this.id;
this._open = true;
this.emit(enums_1.PeerEventType.Open, this.id);
break;
case enums_1.ServerMessageType.Error:
// Server error.
this._abort(enums_1.PeerErrorType.ServerError, payload.msg);
break;
case enums_1.ServerMessageType.IdTaken:
// The selected ID is taken.
this._abort(enums_1.PeerErrorType.UnavailableID, "ID \"" + this.id + "\" is taken");
break;
case enums_1.ServerMessageType.InvalidKey:
// The given API key cannot be found.
this._abort(enums_1.PeerErrorType.InvalidKey, "API KEY \"" + this._options.key + "\" is invalid");
break;
case enums_1.ServerMessageType.Leave:
// Another peer has closed its connection to this peer.
logger_1.default.log("Received leave message from " + peerId);
this._cleanupPeer(peerId);
this._connections.delete(peerId);
break;
case enums_1.ServerMessageType.Expire:
// The offer sent to a peer has expired without response.
this.emitError(enums_1.PeerErrorType.PeerUnavailable, "Could not connect to peer " + peerId);
break;
case enums_1.ServerMessageType.Offer:
{
// we should consider switching this to CALL/CONNECT, but this is the least breaking option.
var connectionId = payload.connectionId;
var connection = this.getConnection(peerId, connectionId);
if (connection) {
connection.close();
logger_1.default.warn("Offer received for existing Connection ID:" + connectionId);
} // Create a new connection.
if (payload.type === enums_1.ConnectionType.Media) {
connection = new mediaconnection_1.MediaConnection(peerId, this, {
connectionId: connectionId,
_payload: payload,
metadata: payload.metadata
});
this._addConnection(peerId, connection);
this.emit(enums_1.PeerEventType.Call, connection);
} else if (payload.type === enums_1.ConnectionType.Data) {
connection = new dataconnection_1.DataConnection(peerId, this, {
connectionId: connectionId,
_payload: payload,
metadata: payload.metadata,
label: payload.label,
serialization: payload.serialization,
reliable: payload.reliable
});
this._addConnection(peerId, connection);
this.emit(enums_1.PeerEventType.Connection, connection);
} else {
logger_1.default.warn("Received malformed connection type:" + payload.type);
return;
} // Find messages.
var messages = this._getMessages(connectionId);
try {
for (var messages_1 = __values(messages), messages_1_1 = messages_1.next(); !messages_1_1.done; messages_1_1 = messages_1.next()) {
var message_1 = messages_1_1.value;
connection.handleMessage(message_1);
}
} catch (e_2_1) {
e_2 = {
error: e_2_1
};
} finally {
try {
if (messages_1_1 && !messages_1_1.done && (_a = messages_1.return)) _a.call(messages_1);
} finally {
if (e_2) throw e_2.error;
}
}
break;
}
default:
{
if (!payload) {
logger_1.default.warn("You received a malformed message from " + peerId + " of type " + type);
return;
}
var connectionId = payload.connectionId;
var connection = this.getConnection(peerId, connectionId);
if (connection && connection.peerConnection) {
// Pass it on.
connection.handleMessage(message);
} else if (connectionId) {
// Store for possible later use
this._storeMessage(connectionId, message);
} else {
logger_1.default.warn("You received an unrecognized message:", message);
}
break;
}
}
};
/** Stores messages without a set up connection, to be claimed later. */
Peer.prototype._storeMessage = function (connectionId, message) {
if (!this._lostMessages.has(connectionId)) {
this._lostMessages.set(connectionId, []);
}
this._lostMessages.get(connectionId).push(message);
};
/** Retrieve messages from lost message store */
//TODO Change it to private
Peer.prototype._getMessages = function (connectionId) {
var messages = this._lostMessages.get(connectionId);
if (messages) {
this._lostMessages.delete(connectionId);
return messages;
}
return [];
};
/**
* Returns a DataConnection to the specified peer. See documentation for a
* complete list of options.
*/
Peer.prototype.connect = function (peer, options) {
if (options === void 0) {
options = {};
}
if (this.disconnected) {
logger_1.default.warn("You cannot connect to a new Peer because you called " + ".disconnect() on this Peer and ended your connection with the " + "server. You can create a new Peer to reconnect, or call reconnect " + "on this peer if you believe its ID to still be available.");
this.emitError(enums_1.PeerErrorType.Disconnected, "Cannot connect to new Peer after disconnecting from server.");
return;
}
var dataConnection = new dataconnection_1.DataConnection(peer, this, options);
this._addConnection(peer, dataConnection);
return dataConnection;
};
/**
* Returns a MediaConnection to the specified peer. See documentation for a
* complete list of options.
*/
Peer.prototype.call = function (peer, stream, options) {
if (options === void 0) {
options = {};
}
if (this.disconnected) {
logger_1.default.warn("You cannot connect to a new Peer because you called " + ".disconnect() on this Peer and ended your connection with the " + "server. You can create a new Peer to reconnect.");
this.emitError(enums_1.PeerErrorType.Disconnected, "Cannot connect to new Peer after disconnecting from server.");
return;
}
if (!stream) {
logger_1.default.error("To call a peer, you must provide a stream from your browser's `getUserMedia`.");
return;
}
options._stream = stream;
var mediaConnection = new mediaconnection_1.MediaConnection(peer, this, options);
this._addConnection(peer, mediaConnection);
return mediaConnection;
};
/** Add a data/media connection to this peer. */
Peer.prototype._addConnection = function (peerId, connection) {
logger_1.default.log("add connection " + connection.type + ":" + connection.connectionId + " to peerId:" + peerId);
if (!this._connections.has(peerId)) {
this._connections.set(peerId, []);
}
this._connections.get(peerId).push(connection);
}; //TODO should be private
Peer.prototype._removeConnection = function (connection) {
var connections = this._connections.get(connection.peer);
if (connections) {
var index = connections.indexOf(connection);
if (index !== -1) {
connections.splice(index, 1);
}
} //remove from lost messages
this._lostMessages.delete(connection.connectionId);
};
/** Retrieve a data/media connection for this peer. */
Peer.prototype.getConnection = function (peerId, connectionId) {
var e_3, _a;
var connections = this._connections.get(peerId);
if (!connections) {
return null;
}
try {
for (var connections_1 = __values(connections), connections_1_1 = connections_1.next(); !connections_1_1.done; connections_1_1 = connections_1.next()) {
var connection = connections_1_1.value;
if (connection.connectionId === connectionId) {
return connection;
}
}
} catch (e_3_1) {
e_3 = {
error: e_3_1
};
} finally {
try {
if (connections_1_1 && !connections_1_1.done && (_a = connections_1.return)) _a.call(connections_1);
} finally {
if (e_3) throw e_3.error;
}
}
return null;
};
Peer.prototype._delayedAbort = function (type, message) {
var _this = this;
setTimeout(function () {
_this._abort(type, message);
}, 0);
};
/**
* Emits an error message and destroys the Peer.
* The Peer is not destroyed if it's in a disconnected state, in which case
* it retains its disconnected state and its existing connections.
*/
Peer.prototype._abort = function (type, message) {
logger_1.default.error("Aborting!");
this.emitError(type, message);
if (!this._lastServerId) {
this.destroy();
} else {
this.disconnect();
}
};
/** Emits a typed error message. */
Peer.prototype.emitError = function (type, err) {
logger_1.default.error("Error:", err);
var error;
if (typeof err === "string") {
error = new Error(err);
} else {
error = err;
}
error.type = type;
this.emit(enums_1.PeerEventType.Error, error);
};
/**
* Destroys the Peer: closes all active connections as well as the connection
* to the server.
* Warning: The peer can no longer create or accept connections after being
* destroyed.
*/
Peer.prototype.destroy = function () {
if (this.destroyed) {
return;
}
logger_1.default.log("Destroy peer with ID:" + this.id);
this.disconnect();
this._cleanup();
this._destroyed = true;
this.emit(enums_1.PeerEventType.Close);
};
/** Disconnects every connection on this peer. */
Peer.prototype._cleanup = function () {
var e_4, _a;
try {
for (var _b = __values(this._connections.keys()), _c = _b.next(); !_c.done; _c = _b.next()) {
var peerId = _c.value;
this._cleanupPeer(peerId);
this._connections.delete(peerId);
}
} catch (e_4_1) {
e_4 = {
error: e_4_1
};
} finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
} finally {
if (e_4) throw e_4.error;
}
}
this.socket.removeAllListeners();
};
/** Closes all connections to this peer. */
Peer.prototype._cleanupPeer = function (peerId) {
var e_5, _a;
var connections = this._connections.get(peerId);
if (!connections) return;
try {
for (var connections_2 = __values(connections), connections_2_1 = connections_2.next(); !connections_2_1.done; connections_2_1 = connections_2.next()) {
var connection = connections_2_1.value;
connection.close();
}
} catch (e_5_1) {
e_5 = {
error: e_5_1
};
} finally {
try {
if (connections_2_1 && !connections_2_1.done && (_a = connections_2.return)) _a.call(connections_2);
} finally {
if (e_5) throw e_5.error;
}
}
};
/**
* Disconnects the Peer's connection to the PeerServer. Does not close any
* active connections.
* Warning: The peer can no longer create or accept connections after being
* disconnected. It also cannot reconnect to the server.
*/
Peer.prototype.disconnect = function () {
if (this.disconnected) {
return;
}
var currentId = this.id;
logger_1.default.log("Disconnect peer with ID:" + currentId);
this._disconnected = true;
this._open = false;
this.socket.close();
this._lastServerId = currentId;
this._id = null;
this.emit(enums_1.PeerEventType.Disconnected, currentId);
};
/** Attempts to reconnect with the same ID. */
Peer.prototype.reconnect = function () {
if (this.disconnected && !this.destroyed) {
logger_1.default.log("Attempting reconnection to server with ID " + this._lastServerId);
this._disconnected = false;
this._initialize(this._lastServerId);
} else if (this.destroyed) {
throw new Error("This peer cannot reconnect to the server. It has already been destroyed.");
} else if (!this.disconnected && !this.open) {
// Do nothing. We're still connecting the first time.
logger_1.default.error("In a hurry? We're still trying to make the initial connection!");
} else {
throw new Error("Peer " + this.id + " cannot reconnect because it is not disconnected from the server!");
}
};
/**
* Get a list of available peer IDs. If you're running your own server, you'll
* want to set allow_discovery: true in the PeerServer options. If you're using
* the cloud server, email team@peerjs.com to get the functionality enabled for
* your key.
*/
Peer.prototype.listAllPeers = function (cb) {
var _this = this;
if (cb === void 0) {
cb = function cb(_) {};
}
this._api.listAllPeers().then(function (peers) {
return cb(peers);
}).catch(function (error) {
return _this._abort(enums_1.PeerErrorType.ServerError, error);
});
};
Peer.DEFAULT_KEY = "peerjs";
return Peer;
}(eventemitter3_1.EventEmitter);
exports.Peer = Peer;
},{"eventemitter3":"JJlS","./util":"BHXf","./logger":"WOs9","./socket":"wJlv","./mediaconnection":"dbHP","./dataconnection":"GBTQ","./enums":"ZRYf","./api":"in7L"}],"iTK6":[function(require,module,exports) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.peerjs = void 0;
var util_1 = require("./util");
var peer_1 = require("./peer");
exports.peerjs = {
Peer: peer_1.Peer,
util: util_1.util
};
exports.default = peer_1.Peer;
window.peerjs = exports.peerjs;
/** @deprecated Should use peerjs namespace */
window.Peer = peer_1.Peer;
},{"./util":"BHXf","./peer":"Hxpd"}]},{},["iTK6"], null)
//# sourceMappingURL=/peerjs.js.map
Reference in New Issue Copy Permalink