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jquery.xmpp.js
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jquery.xmpp.js
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/*
* jquery.xmpp.js
*
* Copyright 2011 Alvaro Garcia <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
(function($) {
// Intercept XHRs coming from IE8+ and send via XDomainRequest.
$.ajaxTransport("+*", function( options, originalOptions, jqXHR ) {
// If this is IE and XDomainRequest is supported.
if(navigator.appVersion.indexOf("MSIE") != -1 && window.XDomainRequest) {
var xdr;
return {
send: function( headers, completeCallback ) {
// Use Microsoft XDR
xdr = new XDomainRequest();
// Open the remote URL.
xdr.open("post", options.url);
xdr.onload = function() {
completeCallback(200, "success", [this.responseText]);
};
xdr.ontimeout = function(){
completeCallback(408, "error", ["The request timed out."]);
};
xdr.onerror = function(errorText){
completeCallback(404, "error: " + errorText, ["The requested resource could not be found."]);
};
// Submit the data to the site.
xdr.send(options.data);
},
abort: function() {
if(xdr)xdr.abort();
}
};
}
});
$.xmpp ={
rid:null,
sid:null,
jid:null,
url: null,
uri: null,
listening: false,
onMessage: null,
onIq: null,
onPresence: null,
onError: null,
connections: 0,
resource: null,
connected: false,
checkNetorkErrors: false,
wait: 60,
inactivity: 60,
_jsTimeout: null, //Used to save the javascript timeout
_timeoutMilis: 500,
__lastAjaxRequest: null,
/**
* Connect to the server
* @params Object
* {jid:"[email protected]",
* password:"qwerty",
* resource:"Chat",
* url:"/http-bind",
* wait: 60,
* inactivity: 60,
* onDisconnect:function(){},
* onConnect: function(data){},
* onIq: function(iq){},
* onMessage: function(message){},
* onPresence: function(presence){}
* onError: function(error, data){}
* }
*/
connect: function(options){
this.rid = Math.round(Math.random()*Math.pow(10,10));
this.jid = options.jid;
var split = options.jid.split("@");
var domain = split[1];
var xmpp = this;
if(options.url == null)
this.url = '/http-bind'
else
this.url = options.url;
if(options.checkNetorkErrors != null)
this.checkNetorkErrors = options.checkNetorkErrors
if(!isNaN(options.wait)){
this.wait = options.wait;
}
this._timeoutMilis = xmpp.wait * 1000;
if(!isNaN(options.inactivity)){
this.inactivity = options.inactivity
}
this.uri = this.jid;
if(options.resource == null)
this.resource = "";
else{
this.resource = options.resource;
this.uri += "/" + this.resource;
}
//Events
this.onMessage = options.onMessage;
this.onIq = options.onIq;
this.onPresence = options.onPresence;
this.onError = options.onError;
this.onDisconnect = options.onDisconnect;
this.onConnect = options.onConnect;
//Init connection
var msg = "<body rid='"+this.rid+"' xmlns='http://jabber.org/protocol/httpbind' to='"+domain+"' xml:lang='en' wait='"+this.wait+"' inactivity='"+this.inactivity+"' hold='1' content='text/xml; charset=utf-8' ver='1.6' xmpp:version='1.0' xmlns:xmpp='urn:xmpp:xbosh'/>";
$.post(this.url,msg,function(data){
var response = $(xmpp.fixBody(data));
xmpp.sid = response.attr("sid");
if(response.find("mechanism:contains('PLAIN')").length){
xmpp.loginPlain(options);
}else if(response.find("mechanism:contains('DIGEST-MD5')").length){
xmpp.loginDigestMD5(options);
}else{
if(xmpp.onError != null){
xmpp.onError({error:"No auth method supported", data:data});
}
}
}, 'text');
},
/**
* Attach to existing session
* @params Object
* {jid:"",
* sid:"",
* rid:"",
* resource:"",
* url:"",
* wait: 60,
* onDisconnect:function(){},
* onConnect: function(data){},
* onIq: function(iq){},
* onMessage: function(message){},
* onPresence: function(presence){}
* onError: function(error, data){}
* }
*/
attach: function(options){
this.jid = options.jid;
this.sid = options.sid;
this.rid = options.rid;
var xmpp = this;
if(options.url == null)
this.url = '/http-bind'
else
this.url = options.url;
this.uri = this.jid;
if(options.resource == null)
this.resource = "";
else{
this.resource = options.resource;
this.uri += "/" + this.resource;
}
//Events
this.onMessage = options.onMessage;
this.onIq = options.onIq;
this.onPresence = options.onPresence;
this.onError = options.onError;
this.onDisconnect = options.onDisconnect;
this.onConnect = options.onConnect;
if(!isNaN(options.wait)){
this.wait = options.wait
}
this._timeoutMilis = xmpp.wait * 1000;
if(options.onConnect != null)
xmpp.connected = true;
options.onConnect();
xmpp.listen();
},
/**
* Disconnect from the server using synchronous Ajax
* @params function callback
*/
disconnectSync: function(callback){
var xmpp = this;
xmpp.rid = xmpp.rid + 1;
this.listening = true;
xmpp.connections = xmpp.connections + 1;
var msg = "<body rid='"+ this.rid +"' xmlns='http://jabber.org/protocol/httpbind' sid='"+ this.sid +"' type='terminate'><presence xmlns='jabber:client' type='unavailable'/></body>";
$.ajax({
type: 'POST',
url: this.url,
data: msg,
success: function(data){
xmpp.connections = xmpp.connections - 1;
xmpp.messageHandler(data);
xmpp.listening = false;
//Do not listen anymore!
//Two callbacks
if(callback != null)
callback(data);
if(xmpp.onDisconnect != null)
xmpp.connected = false;
xmpp.onDisconnect(data);
},
dataType: 'text',
async:false
});
},
/**
* Disconnect from the server
* @params function callback
*/
disconnect: function(callback){
var xmpp = this;
xmpp.rid = xmpp.rid + 1;
this.listening = true;
xmpp.connections = xmpp.connections + 1;
var msg = "<body rid='"+ this.rid +"' xmlns='http://jabber.org/protocol/httpbind' sid='"+ this.sid +"' type='terminate'><presence xmlns='jabber:client' type='unavailable'/></body>";
$.post(this.url,msg,function(data){
xmpp.connections = xmpp.connections - 1;
xmpp.messageHandler(data);
xmpp.listening = false;
//Do not listen anymore!
//Two callbacks
if(callback != null)
callback(data);
if(xmpp.onDisconnect != null)
xmpp.connected = false;
xmpp.onDisconnect(data);
}, 'text');
},
/**
* Do a MD5 Digest authentication
*/
loginDigestMD5: function(options){
var xmpp = this;
this.rid++;
var msg = "<body rid='"+this.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+this.sid+"'><auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='DIGEST-MD5'/></body>";
$.post(this.url,msg,function(data){
var response = $(data);
var split = options.jid.split("@");
var domain = split[1];
var username = split[0];
//Code bases on Strophe
var attribMatch = /([a-z]+)=("[^"]+"|[^,"]+)(?:,|$)/;
var challenge = Base64.decode(response.text());
var cnonce = MD5.hexdigest("" + (Math.random() * 1234567890));
var realm = "";
var host = null;
var nonce = "";
var qop = "";
var matches;
while (challenge.match(attribMatch)) {
matches = challenge.match(attribMatch);
challenge = challenge.replace(matches[0], "");
matches[2] = matches[2].replace(/^"(.+)"$/, "$1");
switch (matches[1]) {
case "realm":
realm = matches[2];
break;
case "nonce":
nonce = matches[2];
break;
case "qop":
qop = matches[2];
break;
case "host":
host = matches[2];
break;
}
}
var digest_uri = "xmpp/" + domain;
if (host !== null) {
digest_uri = digest_uri + "/" + host;
}
var A1 = MD5.hash(username + ":" + realm + ":" + options.password) +
":" + nonce + ":" + cnonce;
var A2 = 'AUTHENTICATE:' + digest_uri;
var responseText = "";
responseText += 'username=' + xmpp._quote(username) + ',';
responseText += 'realm=' + xmpp._quote(realm) + ',';
responseText += 'nonce=' + xmpp._quote(nonce) + ',';
responseText += 'cnonce=' + xmpp._quote(cnonce) + ',';
responseText += 'nc="00000001",';
responseText += 'qop="auth",';
responseText += 'digest-uri=' + xmpp._quote(digest_uri) + ',';
responseText += 'response=' + xmpp._quote(
MD5.hexdigest(MD5.hexdigest(A1) + ":" +
nonce + ":00000001:" +
cnonce + ":auth:" +
MD5.hexdigest(A2))) + ',';
responseText += 'charset="utf-8"';
xmpp.rid++;
var msg ="<body rid='"+xmpp.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+xmpp.sid+"'><response xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>"+Base64.encode(responseText)+"</response></body>";
$.post(this.url,msg,function(data){
var response = $(xmpp.fixBody(data));
if(!response.find("failure").length){
xmpp.rid++;
var msg ="<body rid='"+xmpp.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+xmpp.sid+"'><response xmlns='urn:ietf:params:xml:ns:xmpp-sasl'/></body>";
$.post(this.url,msg,function(data){
var response = $(xmpp.fixBody(data));
if(response.find("success").length){
xmpp.rid++;
var msg ="<body rid='"+xmpp.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+xmpp.sid+"' to='"+domain+"' xml:lang='en' xmpp:restart='true' xmlns:xmpp='urn:xmpp:xbosh'/>";
$.post(this.url,msg,function(data){
xmpp.rid++;
var msg ="<body rid='"+xmpp.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+xmpp.sid+"'><iq type='set' id='_bind_auth_2' xmlns='jabber:client'><bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'><resource>" + xmpp.resource +"</resource></bind></iq></body>";
$.post(this.url,msg,function(data){
xmpp.rid++;
var msg = "<body rid='"+xmpp.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+xmpp.sid+"'><iq type='set' id='_session_auth_2' xmlns='jabber:client'><session xmlns='urn:ietf:params:xml:ns:xmpp-session'/></iq></body>";
$.post(this.url,msg,function(data){
if(options.onConnect != null)
xmpp.connected = true;
options.onConnect(data);
xmpp.listen();
}, 'text');
}, 'text');
}, 'text');
}else{
if(xmpp.onError != null)
xmpp.onError({error: "Invalid credentials", data:data});
}
}, 'text');
}else{
if(xmpp.onError != null)
xmpp.onError({error: "Invalid credentials", data:data});
}
}, 'text');
}, 'text');
},
/**
* Returns the quoted string
* @prams string
* @return quoted string
*/
_quote: function(string){
return '"'+string+'"';
},
/**
* Do a plain authentication
*/
loginPlain: function(options){
this.rid++;
var split = options.jid.split("@");
var user = split[0];
var domain = split[1];
var xmpp = this;
var text = "<body rid='"+this.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+this.sid+"'><auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>"+Base64.encode(this.jid+"\u0000"+user+"\u0000"+options.password)+"</auth></body>";
var url = this.url;
$.post(this.url,text,function(data){
var response = $(xmpp.fixBody(data));
if(response.find("success").length){
xmpp.rid++;
text ="<body rid='"+xmpp.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+xmpp.sid+"' to='"+domain+"' xml:lang='en' xmpp:restart='true' xmlns:xmpp='urn:xmpp:xbosh'/>";
$.post(url,text,function(data){
//xmpp.messageHandler(data);
xmpp.rid++;
text ="<body rid='"+xmpp.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+xmpp.sid+"'><iq type='set' id='_bind_auth_2' xmlns='jabber:client'><bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'><resource>" + xmpp.resource +"</resource></bind></iq></body>";
$.post(url,text,function(data){
//xmpp.messageHandler(data);
xmpp.rid++;
text = "<body rid='"+xmpp.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+xmpp.sid+"'><iq type='set' id='_session_auth_2' xmlns='jabber:client'><session xmlns='urn:ietf:params:xml:ns:xmpp-session'/></iq></body>";
$.post(url,text,function(data){
if(options.onConnect != null)
xmpp.connected = true;
options.onConnect(data);
xmpp.listen();
}, 'text');
}, 'text');
}, 'text');
}else{
if(options.onError != null)
options.onError({error: "Invalid credentials", data:data});
}
}, 'text');
},
/**
* Disconnected cause a network problem
*/
__networkError: function(){
//Notify the errors and change the state to disconnected
if($.xmpp.onError != null){
$.xmpp.onError({error:"Network error"})
}
if($.xmpp.onDisconnect != null){
$.xmpp.onDisconnect()
}
$.xmpp.__lastAjaxRequest.abort();
$.xmpp.connections = $.xmpp.connections - 1;
$.xmpp.listening = false;
$.xmpp.connected = false
},
/**
* Wait for a new event
*/
listen: function(){
var xmpp = this;
if(!this.listening){
this.listening = true;
xmpp = this;
if(xmpp.connections === 0) {
//To detect networks problems
if(xmpp.checkNetorkErrors){
clearTimeout(xmpp._jsTimeout);
xmpp._jsTimeout = setTimeout(xmpp.__networkError,xmpp._timeoutMilis);
}
//
this.rid = this.rid+1;
xmpp.connections = xmpp.connections + 1;
xmpp.__lastAjaxRequest = $.ajax({
type: "POST",
url: this.url,
data: "<body rid='"+this.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+this.sid+"'></body>",
success: function(data){
xmpp.connections = xmpp.connections - 1;
xmpp.listening = false;
var body = $(xmpp.fixBody(data));
//When timeout the connections are 0
//When listener is aborted because you send message (or something)
// the body children are 0 but connections are > 0
if(body.children().length > 0) {
xmpp.messageHandler(data);
}
if ( xmpp.connections === 0 ) {
xmpp.listen();
}
},
error: function(XMLHttpRequest, textStatus, errorThrown) {
if(xmpp.onError != null){
xmpp.onError({error: errorThrown, data:textStatus});
}
},
dataType: 'text'
});
}
}
},
/**
* Send a raw command
* @params String Raw command as plain text
* @params callback function callback
*/
sendCommand: function(rawCommand, callback){
var self = this;
this.rid = this.rid + 1;
this.listening = true;
this.connections = this.connections + 1;
var command = "<body rid='"+this.rid+"' xmlns='http://jabber.org/protocol/httpbind' sid='"+this.sid+"'>"+ rawCommand+"</body>";
$.post(self.url,command,function(data){
self.connections = self.connections - 1;
self.messageHandler(data);
self.listening = false;
self.listen();
if(callback != null)
callback(data);
}, 'text');
},
/**
* Send a text message
* @params Object
* {body: "Hey dude!",
* to: "[email protected]"
* resource: "Chat",
* otherAttr: "value"
* }
* @params data: Extra information such errors
* @params callback: function(){}
*/
sendMessage: function(options, data, callback){
var toJid = options.to;
var body = options.body;
if(options.resource != null)
toJid = toJid+"/"+options.resource;
else if(this.resource != "")
toJid = toJid+"/"+this.resource;
//Remove used paramteres
delete options.to;
delete options.body;
delete options.resource;
//Other data
var dataObj = $("<data>");
dataObj.append(data);
//Add all parameters to the message
var messageObj = $("<obj><message type='chat' to='"+toJid+"' xmlns='jabber:client'>bodyCont</message></obj>");
messageObj.find("message").attr(options);
//Use raw text because jquery "destroy" the body tag
var message = messageObj.html().split("bodyCont");
var msg = message[0]+"<body>"+body+"</body>"+dataObj.html()+"</message>";
this.sendCommand(msg,callback);
},
/**
* Change the presence
* @params String The common presences are: null, away, dnd
* @params callback: function(){}
*/
setPresence: function(type, callback){
var msg;
if(type == null)
msg = "<presence xmlns='jabber:client'></presence>";
else
msg = "<presence xmlns='jabber:client'><show>"+type+"</show></presence>";
this.sendCommand(msg,callback);
},
/**
* Get if you are connected
*/
isConnected: function(){
return this.connected;
},
/**
* Do a roster request
*/
getRoster: function(callback){
//Some XMPP server send a blank list. Use onIq in these cases
var msg = "<iq type='get'><query xmlns='jabber:iq:roster'/></iq>";
this.sendCommand(msg,function(data){
var roster = [];
$.each($(data).find("item"), function(i,item){
var jItem = $(item);
roster.push({name: jItem.attr("name"), subscription: jItem.attr("subscription"), jid: jItem.attr("jid")});
});
if(callback)
callback(roster);
});
},
/**
* Get who is online
* When presence it received the event onPresence is triggered
*/
getPresence: function(){
var msg = "<presence/>";
var self = this;
this.sendCommand(msg,function(data){
self.messageHandler(data,self)
});
},
messageHandler: function(data, context){
var xmpp = this;
var response = $(xmpp.fixBody(data));
$.each(response.find("message"),function(i,element){
try{
var e = $(element);
xmpp.onMessage({from: e.attr("from"), body: e.find(".body").html(),attributes:e[0].attributes,data:response.children()});
}catch(e){}
});
$.each(response.find("iq"),function(i,element){
if(xmpp.onIq){
var e = $(element);
if(e.find('ping').length==1){
xmpp.handlePing(e);
}
else{
xmpp.onIq(element);
}
}
});
$.each(response.find("presence"),function(i,element){
try{
var e = $(element);
var status;
if(e.attr("type") != null){
status = e.attr("type")
}else{
status = e.find("show").html()
}
xmpp.onPresence({from: e.attr("from"), to: e.attr("to"), show: status});
}catch(e){}
});
},
/**
* Replaces <body> tags because jquery does not "parse" this tag
* @params String
* @return String
*/
fixBody: function(html){
html = html.replace(/<\/body>/ig, "</div>")
html = html.replace(/<body/ig, "<div class='body'")
return html;
},
/**
* Handles XMPP Ping request and sends Pong as defined by XEP-0199: XMPP Ping
* (http://xmpp.org/extensions/xep-0199.html)
* @param String
*/
handlePing: function(e){
var xmpp = this;
var id = e.attr('id');
var from = e.attr('from');
var to = e.attr('to');
xmpp.sendCommand("<iq from='"+to+"' to='"+from+"' id='"+id+"' type='result'/>");
}
}
})(jQuery);
//Dependencies, you can use an external file
// This code was written by Tyler Akins and has been placed in the
// public domain. It would be nice if you left this header intact.
// Base64 code from Tyler Akins -- http://rumkin.com
var Base64 = (function () {
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
var obj = {
/**
* Encodes a string in base64
* @param {String} input The string to encode in base64.
*/
encode: function (input) {
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
do {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) +
keyStr.charAt(enc3) + keyStr.charAt(enc4);
} while (i < input.length);
return output;
},
/**
* Decodes a base64 string.
* @param {String} input The string to decode.
*/
decode: function (input) {
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
// remove all characters that are not A-Z, a-z, 0-9, +, /, or =
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
do {
enc1 = keyStr.indexOf(input.charAt(i++));
enc2 = keyStr.indexOf(input.charAt(i++));
enc3 = keyStr.indexOf(input.charAt(i++));
enc4 = keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 != 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 != 64) {
output = output + String.fromCharCode(chr3);
}
} while (i < input.length);
return output;
}
};
return obj;
})();
/*
* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
* Digest Algorithm, as defined in RFC 1321.
* Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Distributed under the BSD License
* See http://pajhome.org.uk/crypt/md5 for more info.
*/
var MD5 = (function () {
/*
* Configurable variables. You may need to tweak these to be compatible with
* the server-side, but the defaults work in most cases.
*/
var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */
var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */
var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode */
/*
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
* to work around bugs in some JS interpreters.
*/
var safe_add = function (x, y) {
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
};
/*
* Bitwise rotate a 32-bit number to the left.
*/
var bit_rol = function (num, cnt) {
return (num << cnt) | (num >>> (32 - cnt));
};
/*
* Convert a string to an array of little-endian words
* If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
*/
var str2binl = function (str) {
var bin = [];
var mask = (1 << chrsz) - 1;
for(var i = 0; i < str.length * chrsz; i += chrsz)
{
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
}
return bin;
};
/*
* Convert an array of little-endian words to a string
*/
var binl2str = function (bin) {
var str = "";
var mask = (1 << chrsz) - 1;
for(var i = 0; i < bin.length * 32; i += chrsz)
{
str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
}
return str;
};
/*
* Convert an array of little-endian words to a hex string.
*/
var binl2hex = function (binarray) {
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
var str = "";
for(var i = 0; i < binarray.length * 4; i++)
{
str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);
}
return str;
};
/*
* Convert an array of little-endian words to a base-64 string
*/
var binl2b64 = function (binarray) {
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var str = "";
var triplet, j;
for(var i = 0; i < binarray.length * 4; i += 3)
{
triplet = (((binarray[i >> 2] >> 8 * ( i %4)) & 0xFF) << 16) |
(((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 ) |
((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
for(j = 0; j < 4; j++)
{
if(i * 8 + j * 6 > binarray.length * 32) { str += b64pad; }
else { str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); }
}
}
return str;
};
/*
* These functions implement the four basic operations the algorithm uses.
*/
var md5_cmn = function (q, a, b, x, s, t) {
return safe_add(bit_rol(safe_add(safe_add(a, q),safe_add(x, t)), s),b);
};
var md5_ff = function (a, b, c, d, x, s, t) {
return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
};
var md5_gg = function (a, b, c, d, x, s, t) {
return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
};
var md5_hh = function (a, b, c, d, x, s, t) {
return md5_cmn(b ^ c ^ d, a, b, x, s, t);
};
var md5_ii = function (a, b, c, d, x, s, t) {
return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
};
/*
* Calculate the MD5 of an array of little-endian words, and a bit length
*/
var core_md5 = function (x, len) {
/* append padding */
x[len >> 5] |= 0x80 << ((len) % 32);
x[(((len + 64) >>> 9) << 4) + 14] = len;
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
var olda, oldb, oldc, oldd;
for (var i = 0; i < x.length; i += 16)
{
olda = a;
oldb = b;
oldc = c;
oldd = d;
a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);
a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
}
return [a, b, c, d];
};
/*
* Calculate the HMAC-MD5, of a key and some data
*/
var core_hmac_md5 = function (key, data) {
var bkey = str2binl(key);
if(bkey.length > 16) { bkey = core_md5(bkey, key.length * chrsz); }
var ipad = new Array(16), opad = new Array(16);
for(var i = 0; i < 16; i++)
{
ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5C5C5C5C;
}
var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
return core_md5(opad.concat(hash), 512 + 128);
};
var obj = {
/*
* These are the functions you'll usually want to call.
* They take string arguments and return either hex or base-64 encoded
* strings.