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sip-0.6.4.js
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/*
* SIP version 0.6.4
* Copyright (c) 2014-2014 Junction Networks, Inc <http://www.onsip.com>
* Homepage: http://sipjs.com
* License: http://sipjs.com/license/
*
*
* ~~~SIP.js contains substantial portions of JsSIP under the following license~~~
* Homepage: http://jssip.net
* Copyright (c) 2012-2013 José Luis Millán - Versatica <http://www.versatica.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* ~~~ end JsSIP license ~~~
*/
!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.SIP=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
module.exports={
"name": "sip.js",
"title": "SIP.js",
"description": "A simple, intuitive, and powerful JavaScript signaling library",
"version": "0.6.4",
"main": "src/SIP.js",
"homepage": "http://sipjs.com",
"author": "Will Mitchell <will@onsip.com>",
"contributors": [
{
"url": "http://sipjs.com/authors/"
}
],
"repository": {
"type": "git",
"url": "https://github.com/onsip/SIP.js.git"
},
"keywords": [
"sip",
"websocket",
"webrtc",
"library",
"javascript"
],
"devDependencies": {
"grunt": "~0.4.0",
"grunt-cli": "~0.1.6",
"grunt-contrib-jasmine": "~0.6.0",
"grunt-contrib-jshint": ">0.5.0",
"grunt-contrib-uglify": "~0.2.0",
"grunt-peg": "~1.3.1",
"grunt-trimtrailingspaces": "^0.4.0",
"node-minify": "~0.7.2",
"pegjs": "0.8.0",
"sdp-transform": "~0.4.0",
"grunt-contrib-copy": "^0.5.0",
"browserify": "^4.1.8",
"grunt-browserify": "^2.1.0"
},
"engines": {
"node": ">=0.8"
},
"license": "MIT",
"scripts": {
"test": "grunt travis --verbose"
}
}
},{}],2:[function(_dereq_,module,exports){
module.exports = function (SIP) {
var ClientContext;
ClientContext = function (ua, method, target, options) {
var params, extraHeaders,
originalTarget = target,
events = [
'progress',
'accepted',
'rejected',
'failed',
'cancel'
];
if (target === undefined) {
throw new TypeError('Not enough arguments');
}
// Check target validity
target = ua.normalizeTarget(target);
if (!target) {
throw new TypeError('Invalid target: ' + originalTarget);
}
this.ua = ua;
this.logger = ua.getLogger('sip.clientcontext');
this.method = method;
params = options && options.params;
extraHeaders = (options && options.extraHeaders || []).slice();
if (options && options.body) {
this.body = options.body;
}
if (options && options.contentType) {
this.contentType = options.contentType;
extraHeaders.push('Content-Type: ' + this.contentType);
}
this.request = new SIP.OutgoingRequest(this.method, target, this.ua, params, extraHeaders);
this.localIdentity = this.request.from;
this.remoteIdentity = this.request.to;
if (this.body) {
this.request.body = this.body;
}
this.data = {};
this.initEvents(events);
};
ClientContext.prototype = new SIP.EventEmitter();
ClientContext.prototype.send = function () {
(new SIP.RequestSender(this, this.ua)).send();
return this;
};
ClientContext.prototype.cancel = function (options) {
options = options || {};
var
status_code = options.status_code,
reason_phrase = options.reason_phrase,
cancel_reason;
if (status_code && status_code < 200 || status_code > 699) {
throw new TypeError('Invalid status_code: ' + status_code);
} else if (status_code) {
reason_phrase = reason_phrase || SIP.C.REASON_PHRASE[status_code] || '';
cancel_reason = 'SIP ;cause=' + status_code + ' ;text="' + reason_phrase + '"';
}
this.request.cancel(cancel_reason);
this.emit('cancel');
};
ClientContext.prototype.receiveResponse = function (response) {
var cause = SIP.C.REASON_PHRASE[response.status_code] || '';
switch(true) {
case /^1[0-9]{2}$/.test(response.status_code):
this.emit('progress', response, cause);
break;
case /^2[0-9]{2}$/.test(response.status_code):
if(this.ua.applicants[this]) {
delete this.ua.applicants[this];
}
this.emit('accepted', response, cause);
break;
default:
if(this.ua.applicants[this]) {
delete this.ua.applicants[this];
}
this.emit('rejected', response, cause);
this.emit('failed', response, cause);
break;
}
};
ClientContext.prototype.onRequestTimeout = function () {
this.emit('failed', null, SIP.C.causes.REQUEST_TIMEOUT);
};
ClientContext.prototype.onTransportError = function () {
this.emit('failed', null, SIP.C.causes.CONNECTION_ERROR);
};
SIP.ClientContext = ClientContext;
};
},{}],3:[function(_dereq_,module,exports){
/**
* @fileoverview SIP Constants
*/
/**
* SIP Constants.
* @augments SIP
*/
module.exports = function (name, version) {
return {
USER_AGENT: name +'/'+ version,
// SIP scheme
SIP: 'sip',
SIPS: 'sips',
// End and Failure causes
causes: {
// Generic error causes
CONNECTION_ERROR: 'Connection Error',
REQUEST_TIMEOUT: 'Request Timeout',
SIP_FAILURE_CODE: 'SIP Failure Code',
INTERNAL_ERROR: 'Internal Error',
// SIP error causes
BUSY: 'Busy',
REJECTED: 'Rejected',
REDIRECTED: 'Redirected',
UNAVAILABLE: 'Unavailable',
NOT_FOUND: 'Not Found',
ADDRESS_INCOMPLETE: 'Address Incomplete',
INCOMPATIBLE_SDP: 'Incompatible SDP',
AUTHENTICATION_ERROR: 'Authentication Error',
DIALOG_ERROR: 'Dialog Error',
// Session error causes
WEBRTC_NOT_SUPPORTED: 'WebRTC Not Supported',
WEBRTC_ERROR: 'WebRTC Error',
CANCELED: 'Canceled',
NO_ANSWER: 'No Answer',
EXPIRES: 'Expires',
NO_ACK: 'No ACK',
NO_PRACK: 'No PRACK',
USER_DENIED_MEDIA_ACCESS: 'User Denied Media Access',
BAD_MEDIA_DESCRIPTION: 'Bad Media Description',
RTP_TIMEOUT: 'RTP Timeout'
},
supported: {
UNSUPPORTED: 'none',
SUPPORTED: 'supported',
REQUIRED: 'required'
},
SIP_ERROR_CAUSES: {
REDIRECTED: [300,301,302,305,380],
BUSY: [486,600],
REJECTED: [403,603],
NOT_FOUND: [404,604],
UNAVAILABLE: [480,410,408,430],
ADDRESS_INCOMPLETE: [484],
INCOMPATIBLE_SDP: [488,606],
AUTHENTICATION_ERROR:[401,407]
},
// SIP Methods
ACK: 'ACK',
BYE: 'BYE',
CANCEL: 'CANCEL',
INFO: 'INFO',
INVITE: 'INVITE',
MESSAGE: 'MESSAGE',
NOTIFY: 'NOTIFY',
OPTIONS: 'OPTIONS',
REGISTER: 'REGISTER',
UPDATE: 'UPDATE',
SUBSCRIBE: 'SUBSCRIBE',
REFER: 'REFER',
PRACK: 'PRACK',
/* SIP Response Reasons
* DOC: http://www.iana.org/assignments/sip-parameters
* Copied from https://github.com/versatica/OverSIP/blob/master/lib/oversip/sip/constants.rb#L7
*/
REASON_PHRASE: {
100: 'Trying',
180: 'Ringing',
181: 'Call Is Being Forwarded',
182: 'Queued',
183: 'Session Progress',
199: 'Early Dialog Terminated', // draft-ietf-sipcore-199
200: 'OK',
202: 'Accepted', // RFC 3265
204: 'No Notification', //RFC 5839
300: 'Multiple Choices',
301: 'Moved Permanently',
302: 'Moved Temporarily',
305: 'Use Proxy',
380: 'Alternative Service',
400: 'Bad Request',
401: 'Unauthorized',
402: 'Payment Required',
403: 'Forbidden',
404: 'Not Found',
405: 'Method Not Allowed',
406: 'Not Acceptable',
407: 'Proxy Authentication Required',
408: 'Request Timeout',
410: 'Gone',
412: 'Conditional Request Failed', // RFC 3903
413: 'Request Entity Too Large',
414: 'Request-URI Too Long',
415: 'Unsupported Media Type',
416: 'Unsupported URI Scheme',
417: 'Unknown Resource-Priority', // RFC 4412
420: 'Bad Extension',
421: 'Extension Required',
422: 'Session Interval Too Small', // RFC 4028
423: 'Interval Too Brief',
428: 'Use Identity Header', // RFC 4474
429: 'Provide Referrer Identity', // RFC 3892
430: 'Flow Failed', // RFC 5626
433: 'Anonymity Disallowed', // RFC 5079
436: 'Bad Identity-Info', // RFC 4474
437: 'Unsupported Certificate', // RFC 4744
438: 'Invalid Identity Header', // RFC 4744
439: 'First Hop Lacks Outbound Support', // RFC 5626
440: 'Max-Breadth Exceeded', // RFC 5393
469: 'Bad Info Package', // draft-ietf-sipcore-info-events
470: 'Consent Needed', // RFC 5360
478: 'Unresolvable Destination', // Custom code copied from Kamailio.
480: 'Temporarily Unavailable',
481: 'Call/Transaction Does Not Exist',
482: 'Loop Detected',
483: 'Too Many Hops',
484: 'Address Incomplete',
485: 'Ambiguous',
486: 'Busy Here',
487: 'Request Terminated',
488: 'Not Acceptable Here',
489: 'Bad Event', // RFC 3265
491: 'Request Pending',
493: 'Undecipherable',
494: 'Security Agreement Required', // RFC 3329
500: 'Internal Server Error',
501: 'Not Implemented',
502: 'Bad Gateway',
503: 'Service Unavailable',
504: 'Server Time-out',
505: 'Version Not Supported',
513: 'Message Too Large',
580: 'Precondition Failure', // RFC 3312
600: 'Busy Everywhere',
603: 'Decline',
604: 'Does Not Exist Anywhere',
606: 'Not Acceptable'
}
};
};
},{}],4:[function(_dereq_,module,exports){
/**
* @fileoverview In-Dialog Request Sender
*/
/**
* @augments SIP.Dialog
* @class Class creating an In-dialog request sender.
* @param {SIP.Dialog} dialog
* @param {Object} applicant
* @param {SIP.OutgoingRequest} request
*/
/**
* @fileoverview in-Dialog Request Sender
*/
module.exports = function (SIP) {
var RequestSender;
RequestSender = function(dialog, applicant, request) {
this.dialog = dialog;
this.applicant = applicant;
this.request = request;
// RFC3261 14.1 Modifying an Existing Session. UAC Behavior.
this.reattempt = false;
this.reattemptTimer = null;
};
RequestSender.prototype = {
send: function() {
var self = this,
request_sender = new SIP.RequestSender(this, this.dialog.owner.ua);
request_sender.send();
// RFC3261 14.2 Modifying an Existing Session -UAC BEHAVIOR-
if (this.request.method === SIP.C.INVITE && request_sender.clientTransaction.state !== SIP.Transactions.C.STATUS_TERMINATED) {
this.dialog.uac_pending_reply = true;
request_sender.clientTransaction.on('stateChanged', function stateChanged(){
if (this.state === SIP.Transactions.C.STATUS_ACCEPTED ||
this.state === SIP.Transactions.C.STATUS_COMPLETED ||
this.state === SIP.Transactions.C.STATUS_TERMINATED) {
this.off('stateChanged', stateChanged);
self.dialog.uac_pending_reply = false;
if (self.dialog.uas_pending_reply === false) {
self.dialog.owner.onReadyToReinvite();
}
}
});
}
},
onRequestTimeout: function() {
this.applicant.onRequestTimeout();
},
onTransportError: function() {
this.applicant.onTransportError();
},
receiveResponse: function(response) {
var self = this;
// RFC3261 12.2.1.2 408 or 481 is received for a request within a dialog.
if (response.status_code === 408 || response.status_code === 481) {
this.applicant.onDialogError(response);
} else if (response.method === SIP.C.INVITE && response.status_code === 491) {
if (this.reattempt) {
this.applicant.receiveResponse(response);
} else {
this.request.cseq.value = this.dialog.local_seqnum += 1;
this.reattemptTimer = SIP.Timers.setTimeout(
function() {
if (self.applicant.owner.status !== SIP.Session.C.STATUS_TERMINATED) {
self.reattempt = true;
self.request_sender.send();
}
},
this.getReattemptTimeout()
);
}
} else {
this.applicant.receiveResponse(response);
}
}
};
return RequestSender;
};
},{}],5:[function(_dereq_,module,exports){
/**
* @fileoverview SIP Dialog
*/
/**
* @augments SIP
* @class Class creating a SIP dialog.
* @param {SIP.RTCSession} owner
* @param {SIP.IncomingRequest|SIP.IncomingResponse} message
* @param {Enum} type UAC / UAS
* @param {Enum} state SIP.Dialog.C.STATUS_EARLY / SIP.Dialog.C.STATUS_CONFIRMED
*/
module.exports = function (SIP, RequestSender) {
var Dialog,
C = {
// Dialog states
STATUS_EARLY: 1,
STATUS_CONFIRMED: 2
};
// RFC 3261 12.1
Dialog = function(owner, message, type, state) {
var contact;
this.uac_pending_reply = false;
this.uas_pending_reply = false;
if(!message.hasHeader('contact')) {
return {
error: 'unable to create a Dialog without Contact header field'
};
}
if(message instanceof SIP.IncomingResponse) {
state = (message.status_code < 200) ? C.STATUS_EARLY : C.STATUS_CONFIRMED;
} else {
// Create confirmed dialog if state is not defined
state = state || C.STATUS_CONFIRMED;
}
contact = message.parseHeader('contact');
// RFC 3261 12.1.1
if(type === 'UAS') {
this.id = {
call_id: message.call_id,
local_tag: message.to_tag,
remote_tag: message.from_tag,
toString: function() {
return this.call_id + this.local_tag + this.remote_tag;
}
};
this.state = state;
this.remote_seqnum = message.cseq;
this.local_uri = message.parseHeader('to').uri;
this.remote_uri = message.parseHeader('from').uri;
this.remote_target = contact.uri;
this.route_set = message.getHeaders('record-route');
this.invite_seqnum = message.cseq;
this.local_seqnum = message.cseq;
}
// RFC 3261 12.1.2
else if(type === 'UAC') {
this.id = {
call_id: message.call_id,
local_tag: message.from_tag,
remote_tag: message.to_tag,
toString: function() {
return this.call_id + this.local_tag + this.remote_tag;
}
};
this.state = state;
this.invite_seqnum = message.cseq;
this.local_seqnum = message.cseq;
this.local_uri = message.parseHeader('from').uri;
this.pracked = [];
this.remote_uri = message.parseHeader('to').uri;
this.remote_target = contact.uri;
this.route_set = message.getHeaders('record-route').reverse();
//RENDERBODY
if (this.state === C.STATUS_EARLY && (!owner.hasOffer)) {
this.mediaHandler = owner.mediaHandlerFactory(owner);
}
}
this.logger = owner.ua.getLogger('sip.dialog', this.id.toString());
this.owner = owner;
owner.ua.dialogs[this.id.toString()] = this;
this.logger.log('new ' + type + ' dialog created with status ' + (this.state === C.STATUS_EARLY ? 'EARLY': 'CONFIRMED'));
};
Dialog.prototype = {
/**
* @param {SIP.IncomingMessage} message
* @param {Enum} UAC/UAS
*/
update: function(message, type) {
this.state = C.STATUS_CONFIRMED;
this.logger.log('dialog '+ this.id.toString() +' changed to CONFIRMED state');
if(type === 'UAC') {
// RFC 3261 13.2.2.4
this.route_set = message.getHeaders('record-route').reverse();
}
},
terminate: function() {
this.logger.log('dialog ' + this.id.toString() + ' deleted');
if (this.mediaHandler && this.state !== C.STATUS_CONFIRMED) {
this.mediaHandler.peerConnection.close();
}
delete this.owner.ua.dialogs[this.id.toString()];
},
/**
* @param {String} method request method
* @param {Object} extraHeaders extra headers
* @returns {SIP.OutgoingRequest}
*/
// RFC 3261 12.2.1.1
createRequest: function(method, extraHeaders, body) {
var cseq, request;
extraHeaders = (extraHeaders || []).slice();
if(!this.local_seqnum) { this.local_seqnum = Math.floor(Math.random() * 10000); }
cseq = (method === SIP.C.CANCEL || method === SIP.C.ACK) ? this.invite_seqnum : this.local_seqnum += 1;
request = new SIP.OutgoingRequest(
method,
this.remote_target,
this.owner.ua, {
'cseq': cseq,
'call_id': this.id.call_id,
'from_uri': this.local_uri,
'from_tag': this.id.local_tag,
'to_uri': this.remote_uri,
'to_tag': this.id.remote_tag,
'route_set': this.route_set
}, extraHeaders, body);
request.dialog = this;
return request;
},
/**
* @param {SIP.IncomingRequest} request
* @returns {Boolean}
*/
// RFC 3261 12.2.2
checkInDialogRequest: function(request) {
var self = this;
if(!this.remote_seqnum) {
this.remote_seqnum = request.cseq;
} else if(request.cseq < this.remote_seqnum) {
//Do not try to reply to an ACK request.
if (request.method !== SIP.C.ACK) {
request.reply(500);
}
if (request.cseq === this.invite_seqnum) {
return true;
}
return false;
} else if(request.cseq > this.remote_seqnum) {
this.remote_seqnum = request.cseq;
}
switch(request.method) {
// RFC3261 14.2 Modifying an Existing Session -UAS BEHAVIOR-
case SIP.C.INVITE:
if (this.uac_pending_reply === true) {
request.reply(491);
} else if (this.uas_pending_reply === true) {
var retryAfter = (Math.random() * 10 | 0) + 1;
request.reply(500, null, ['Retry-After:' + retryAfter]);
return false;
} else {
this.uas_pending_reply = true;
request.server_transaction.on('stateChanged', function stateChanged(){
if (this.state === SIP.Transactions.C.STATUS_ACCEPTED ||
this.state === SIP.Transactions.C.STATUS_COMPLETED ||
this.state === SIP.Transactions.C.STATUS_TERMINATED) {
this.off('stateChanged', stateChanged);
self.uas_pending_reply = false;
if (self.uac_pending_reply === false) {
self.owner.onReadyToReinvite();
}
}
});
}
// RFC3261 12.2.2 Replace the dialog`s remote target URI if the request is accepted
if(request.hasHeader('contact')) {
request.server_transaction.on('stateChanged', function(){
if (this.state === SIP.Transactions.C.STATUS_ACCEPTED) {
self.remote_target = request.parseHeader('contact').uri;
}
});
}
break;
case SIP.C.NOTIFY:
// RFC6665 3.2 Replace the dialog`s remote target URI if the request is accepted
if(request.hasHeader('contact')) {
request.server_transaction.on('stateChanged', function(){
if (this.state === SIP.Transactions.C.STATUS_COMPLETED) {
self.remote_target = request.parseHeader('contact').uri;
}
});
}
break;
}
return true;
},
sendRequest: function(applicant, method, options) {
options = options || {};
var
extraHeaders = (options.extraHeaders || []).slice(),
body = options.body || null,
request = this.createRequest(method, extraHeaders, body),
request_sender = new RequestSender(this, applicant, request);
request_sender.send();
return request;
},
/**
* @param {SIP.IncomingRequest} request
*/
receiveRequest: function(request) {
//Check in-dialog request
if(!this.checkInDialogRequest(request)) {
return;
}
this.owner.receiveRequest(request);
}
};
Dialog.C = C;
SIP.Dialog = Dialog;
};
},{}],6:[function(_dereq_,module,exports){
/**
* @fileoverview SIP Digest Authentication
*/
/**
* SIP Digest Authentication.
* @augments SIP.
* @function Digest Authentication
* @param {SIP.UA} ua
*/
module.exports = function (Utils) {
var DigestAuthentication;
DigestAuthentication = function(ua) {
this.logger = ua.getLogger('sipjs.digestauthentication');
this.username = ua.configuration.authorizationUser;
this.password = ua.configuration.password;
this.cnonce = null;
this.nc = 0;
this.ncHex = '00000000';
this.response = null;
};
/**
* Performs Digest authentication given a SIP request and the challenge
* received in a response to that request.
* Returns true if credentials were successfully generated, false otherwise.
*
* @param {SIP.OutgoingRequest} request
* @param {Object} challenge
*/
DigestAuthentication.prototype.authenticate = function(request, challenge) {
// Inspect and validate the challenge.
this.algorithm = challenge.algorithm;
this.realm = challenge.realm;
this.nonce = challenge.nonce;
this.opaque = challenge.opaque;
this.stale = challenge.stale;
if (this.algorithm) {
if (this.algorithm !== 'MD5') {
this.logger.warn('challenge with Digest algorithm different than "MD5", authentication aborted');
return false;
}
} else {
this.algorithm = 'MD5';
}
if (! this.realm) {
this.logger.warn('challenge without Digest realm, authentication aborted');
return false;
}
if (! this.nonce) {
this.logger.warn('challenge without Digest nonce, authentication aborted');
return false;
}
// 'qop' can contain a list of values (Array). Let's choose just one.
if (challenge.qop) {
if (challenge.qop.indexOf('auth') > -1) {
this.qop = 'auth';
} else if (challenge.qop.indexOf('auth-int') > -1) {
this.qop = 'auth-int';
} else {
// Otherwise 'qop' is present but does not contain 'auth' or 'auth-int', so abort here.
this.logger.warn('challenge without Digest qop different than "auth" or "auth-int", authentication aborted');
return false;
}
} else {
this.qop = null;
}
// Fill other attributes.
this.method = request.method;
this.uri = request.ruri;
this.cnonce = Utils.createRandomToken(12);
this.nc += 1;
this.updateNcHex();
// nc-value = 8LHEX. Max value = 'FFFFFFFF'.
if (this.nc === 4294967296) {
this.nc = 1;
this.ncHex = '00000001';
}
// Calculate the Digest "response" value.
this.calculateResponse();
return true;
};
/**
* Generate Digest 'response' value.
* @private
*/
DigestAuthentication.prototype.calculateResponse = function() {
var ha1, ha2;
// HA1 = MD5(A1) = MD5(username:realm:password)
ha1 = Utils.calculateMD5(this.username + ":" + this.realm + ":" + this.password);
if (this.qop === 'auth') {
// HA2 = MD5(A2) = MD5(method:digestURI)
ha2 = Utils.calculateMD5(this.method + ":" + this.uri);
// response = MD5(HA1:nonce:nonceCount:credentialsNonce:qop:HA2)
this.response = Utils.calculateMD5(ha1 + ":" + this.nonce + ":" + this.ncHex + ":" + this.cnonce + ":auth:" + ha2);
} else if (this.qop === 'auth-int') {
// HA2 = MD5(A2) = MD5(method:digestURI:MD5(entityBody))
ha2 = Utils.calculateMD5(this.method + ":" + this.uri + ":" + Utils.calculateMD5(this.body ? this.body : ""));
// response = MD5(HA1:nonce:nonceCount:credentialsNonce:qop:HA2)
this.response = Utils.calculateMD5(ha1 + ":" + this.nonce + ":" + this.ncHex + ":" + this.cnonce + ":auth-int:" + ha2);
} else if (this.qop === null) {
// HA2 = MD5(A2) = MD5(method:digestURI)
ha2 = Utils.calculateMD5(this.method + ":" + this.uri);
// response = MD5(HA1:nonce:HA2)
this.response = Utils.calculateMD5(ha1 + ":" + this.nonce + ":" + ha2);
}
};
/**
* Return the Proxy-Authorization or WWW-Authorization header value.
*/
DigestAuthentication.prototype.toString = function() {
var auth_params = [];
if (! this.response) {
throw new Error('response field does not exist, cannot generate Authorization header');
}
auth_params.push('algorithm=' + this.algorithm);
auth_params.push('username="' + this.username + '"');
auth_params.push('realm="' + this.realm + '"');
auth_params.push('nonce="' + this.nonce + '"');
auth_params.push('uri="' + this.uri + '"');
auth_params.push('response="' + this.response + '"');
if (this.opaque) {
auth_params.push('opaque="' + this.opaque + '"');
}
if (this.qop) {
auth_params.push('qop=' + this.qop);
auth_params.push('cnonce="' + this.cnonce + '"');
auth_params.push('nc=' + this.ncHex);
}
return 'Digest ' + auth_params.join(', ');
};
/**
* Generate the 'nc' value as required by Digest in this.ncHex by reading this.nc.
* @private
*/
DigestAuthentication.prototype.updateNcHex = function() {
var hex = Number(this.nc).toString(16);
this.ncHex = '00000000'.substr(0, 8-hex.length) + hex;
};
return DigestAuthentication;
};
},{}],7:[function(_dereq_,module,exports){
/**
* @fileoverview EventEmitter
*/
/**
* @augments SIP
* @class Class creating an event emitter.
*/
module.exports = function (SIP) {
var
EventEmitter,
Event,
logger = new SIP.LoggerFactory().getLogger('sip.eventemitter'),
C = {
MAX_LISTENERS: 10
};
EventEmitter = function(){};
EventEmitter.prototype = {
/**
* Initialize events dictionaries.
* @param {Array} events
*/
initEvents: function(events) {
this.events = {};
return this.initMoreEvents(events);
},
initMoreEvents: function(events) {
var idx;
if (!this.logger) {
this.logger = logger;
}
this.maxListeners = C.MAX_LISTENERS;
for (idx = 0; idx < events.length; idx++) {
if (!this.events[events[idx]]) {
this.logger.log('adding event '+ events[idx]);
this.events[events[idx]] = [];
} else {
this.logger.log('skipping event '+ events[idx]+ ' - Event exists');
}
}
return this;
},
/**
* Check whether an event exists or not.
* @param {String} event
* @returns {Boolean}
*/
checkEvent: function(event) {
return !!(this.events && this.events[event]);
},
/**
* Check whether an event exists and has at least one listener or not.
* @param {String} event
* @returns {Boolean}
*/
checkListener: function(event) {
return this.checkEvent(event) && this.events[event].length > 0;
},
/**
* Add a listener to the end of the listeners array for the specified event.
* @param {String} event
* @param {Function} listener
*/
on: function(event, listener, bindTarget) {
if (listener === undefined) {
return this;
} else if (typeof listener !== 'function') {
this.logger.error('listener must be a function');
return this;
} else if (!this.checkEvent(event)) {
this.logger.error('unable to add a listener to a nonexistent event '+ event);
throw new TypeError('Invalid or uninitialized event: ' + event);
}
var listenerObj = { listener: listener };
if (bindTarget) {
listenerObj.bindTarget = bindTarget;
}
if (this.events[event].length >= this.maxListeners) {
this.logger.warn('max listeners exceeded for event '+ event);
return this;
}
this.events[event].push(listenerObj);
this.logger.log('new listener added to event '+ event);
return this;
},
/**
* Add a one time listener for the specified event.
* The listener is invoked only the next time the event is fired, then it is removed.
* @param {String} event
* @param {Function} listener
*/
once: function(event, listener, bindTarget) {
var self = this;
function listenOnce () {
listener.apply(this, arguments);
self.off(event, listenOnce, bindTarget);
}
return this.on(event, listenOnce, bindTarget);
},
/**
* Remove a listener from the listener array for the specified event.