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strophe.js
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/* All of the Strophe globals are defined in this special function below so
* that references to the globals become closures. This will ensure that
* on page reload, these references will still be available to callbacks
* that are still executing.
*/
(function (callback) {
function hex_sha1(e){return binb2hex(core_sha1(str2binb(e),e.length*chrsz))}function b64_sha1(e){return binb2b64(core_sha1(str2binb(e),e.length*chrsz))}function str_sha1(e){return binb2str(core_sha1(str2binb(e),e.length*chrsz))}function hex_hmac_sha1(e,t){return binb2hex(core_hmac_sha1(e,t))}function b64_hmac_sha1(e,t){return binb2b64(core_hmac_sha1(e,t))}function str_hmac_sha1(e,t){return binb2str(core_hmac_sha1(e,t))}function sha1_vm_test(){return hex_sha1("abc")=="a9993e364706816aba3e25717850c26c9cd0d89d"}function core_sha1(e,t){e[t>>5]|=128<<24-t%32,e[(t+64>>9<<4)+15]=t;var n=new Array(80),r=1732584193,i=-271733879,s=-1732584194,o=271733878,u=-1009589776,a,f,l,c,h,p,d,v;for(a=0;a<e.length;a+=16){c=r,h=i,p=s,d=o,v=u;for(f=0;f<80;f++)f<16?n[f]=e[a+f]:n[f]=rol(n[f-3]^n[f-8]^n[f-14]^n[f-16],1),l=safe_add(safe_add(rol(r,5),sha1_ft(f,i,s,o)),safe_add(safe_add(u,n[f]),sha1_kt(f))),u=o,o=s,s=rol(i,30),i=r,r=l;r=safe_add(r,c),i=safe_add(i,h),s=safe_add(s,p),o=safe_add(o,d),u=safe_add(u,v)}return[r,i,s,o,u]}function sha1_ft(e,t,n,r){return e<20?t&n|~t&r:e<40?t^n^r:e<60?t&n|t&r|n&r:t^n^r}function sha1_kt(e){return e<20?1518500249:e<40?1859775393:e<60?-1894007588:-899497514}function core_hmac_sha1(e,t){var n=str2binb(e);n.length>16&&(n=core_sha1(n,e.length*chrsz));var r=new Array(16),i=new Array(16);for(var s=0;s<16;s++)r[s]=n[s]^909522486,i[s]=n[s]^1549556828;var o=core_sha1(r.concat(str2binb(t)),512+t.length*chrsz);return core_sha1(i.concat(o),672)}function safe_add(e,t){var n=(e&65535)+(t&65535),r=(e>>16)+(t>>16)+(n>>16);return r<<16|n&65535}function rol(e,t){return e<<t|e>>>32-t}function str2binb(e){var t=[],n=(1<<chrsz)-1;for(var r=0;r<e.length*chrsz;r+=chrsz)t[r>>5]|=(e.charCodeAt(r/chrsz)&n)<<32-chrsz-r%32;return t}function binb2str(e){var t="",n=(1<<chrsz)-1;for(var r=0;r<e.length*32;r+=chrsz)t+=String.fromCharCode(e[r>>5]>>>32-chrsz-r%32&n);return t}function binb2hex(e){var t=hexcase?"0123456789ABCDEF":"0123456789abcdef",n="";for(var r=0;r<e.length*4;r++)n+=t.charAt(e[r>>2]>>(3-r%4)*8+4&15)+t.charAt(e[r>>2]>>(3-r%4)*8&15);return n}function binb2b64(e){var t="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",n="",r,i;for(var s=0;s<e.length*4;s+=3){r=(e[s>>2]>>8*(3-s%4)&255)<<16|(e[s+1>>2]>>8*(3-(s+1)%4)&255)<<8|e[s+2>>2]>>8*(3-(s+2)%4)&255;for(i=0;i<4;i++)s*8+i*6>e.length*32?n+=b64pad:n+=t.charAt(r>>6*(3-i)&63)}return n}var hexcase=0,b64pad="=",chrsz=8,Base64=function(){var e="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",t={encode:function(t){var n="",r,i,s,o,u,a,f,l=0;do 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n=e?"0123456789ABCDEF":"0123456789abcdef",r="";for(var i=0;i<t.length*4;i++)r+=n.charAt(t[i>>2]>>i%4*8+4&15)+n.charAt(t[i>>2]>>i%4*8&15);return r},a=function(e){var n="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",r="",i,s;for(var o=0;o<e.length*4;o+=3){i=(e[o>>2]>>8*(o%4)&255)<<16|(e[o+1>>2]>>8*((o+1)%4)&255)<<8|e[o+2>>2]>>8*((o+2)%4)&255;for(s=0;s<4;s++)o*8+s*6>e.length*32?r+=t:r+=n.charAt(i>>6*(3-s)&63)}return r},f=function(e,t,n,s,o,u){return r(i(r(r(t,e),r(s,u)),o),n)},l=function(e,t,n,r,i,s,o){return f(t&n|~t&r,e,t,i,s,o)},c=function(e,t,n,r,i,s,o){return f(t&r|n&~r,e,t,i,s,o)},h=function(e,t,n,r,i,s,o){return f(t^n^r,e,t,i,s,o)},p=function(e,t,n,r,i,s,o){return f(n^(t|~r),e,t,i,s,o)},d=function(e,t){e[t>>5]|=128<<t%32,e[(t+64>>>9<<4)+14]=t;var n=1732584193,i=-271733879,s=-1732584194,o=271733878,u,a,f,d;for(var v=0;v<e.length;v+=16)u=n,a=i,f=s,d=o,n=l(n,i,s,o,e[v+0],7,-680876936),o=l(o,n,i,s,e[v+1],12,-389564586),s=l(s,o,n,i,e[v+2],17,606105819),i=l(i,s,o,n,e[v+3],22,-1044525330),n=l(n,i,s,o,e[v+4],7,-176418897),o=l(o,n,i,s,e[v+5],12,1200080426),s=l(s,o,n,i,e[v+6],17,-1473231341),i=l(i,s,o,n,e[v+7],22,-45705983),n=l(n,i,s,o,e[v+8],7,1770035416),o=l(o,n,i,s,e[v+9],12,-1958414417),s=l(s,o,n,i,e[v+10],17,-42063),i=l(i,s,o,n,e[v+11],22,-1990404162),n=l(n,i,s,o,e[v+12],7,1804603682),o=l(o,n,i,s,e[v+13],12,-40341101),s=l(s,o,n,i,e[v+14],17,-1502002290),i=l(i,s,o,n,e[v+15],22,1236535329),n=c(n,i,s,o,e[v+1],5,-165796510),o=c(o,n,i,s,e[v+6],9,-1069501632),s=c(s,o,n,i,e[v+11],14,643717713),i=c(i,s,o,n,e[v+0],20,-373897302),n=c(n,i,s,o,e[v+5],5,-701558691),o=c(o,n,i,s,e[v+10],9,38016083),s=c(s,o,n,i,e[v+15],14,-660478335),i=c(i,s,o,n,e[v+4],20,-405537848),n=c(n,i,s,o,e[v+9],5,568446438),o=c(o,n,i,s,e[v+14],9,-1019803690),s=c(s,o,n,i,e[v+3],14,-187363961),i=c(i,s,o,n,e[v+8],20,1163531501),n=c(n,i,s,o,e[v+13],5,-1444681467),o=c(o,n,i,s,e[v+2],9,-51403784),s=c(s,o,n,i,e[v+7],14,1735328473),i=c(i,s,o,n,e[v+12],20,-1926607734),n=h(n,i,s,o,e[v+5],4,-378558),o=h(o,n,i,s,e[v+8],11,-2022574463),s=h(s,o,n,i,e[v+11],16,1839030562),i=h(i,s,o,n,e[v+14],23,-35309556),n=h(n,i,s,o,e[v+1],4,-1530992060),o=h(o,n,i,s,e[v+4],11,1272893353),s=h(s,o,n,i,e[v+7],16,-155497632),i=h(i,s,o,n,e[v+10],23,-1094730640),n=h(n,i,s,o,e[v+13],4,681279174),o=h(o,n,i,s,e[v+0],11,-358537222),s=h(s,o,n,i,e[v+3],16,-722521979),i=h(i,s,o,n,e[v+6],23,76029189),n=h(n,i,s,o,e[v+9],4,-640364487),o=h(o,n,i,s,e[v+12],11,-421815835),s=h(s,o,n,i,e[v+15],16,530742520),i=h(i,s,o,n,e[v+2],23,-995338651),n=p(n,i,s,o,e[v+0],6,-198630844),o=p(o,n,i,s,e[v+7],10,1126891415),s=p(s,o,n,i,e[v+14],15,-1416354905),i=p(i,s,o,n,e[v+5],21,-57434055),n=p(n,i,s,o,e[v+12],6,1700485571),o=p(o,n,i,s,e[v+3],10,-1894986606),s=p(s,o,n,i,e[v+10],15,-1051523),i=p(i,s,o,n,e[v+1],21,-2054922799),n=p(n,i,s,o,e[v+8],6,1873313359),o=p(o,n,i,s,e[v+15],10,-30611744),s=p(s,o,n,i,e[v+6],15,-1560198380),i=p(i,s,o,n,e[v+13],21,1309151649),n=p(n,i,s,o,e[v+4],6,-145523070),o=p(o,n,i,s,e[v+11],10,-1120210379),s=p(s,o,n,i,e[v+2],15,718787259),i=p(i,s,o,n,e[v+9],21,-343485551),n=r(n,u),i=r(i,a),s=r(s,f),o=r(o,d);return[n,i,s,o]},v=function(e,t){var r=s(e);r.length>16&&(r=d(r,e.length*n));var i=new Array(16),o=new Array(16);for(var u=0;u<16;u++)i[u]=r[u]^909522486,o[u]=r[u]^1549556828;var a=d(i.concat(s(t)),512+t.length*n);return d(o.concat(a),640)},m={hexdigest:function(e){return u(d(s(e),e.length*n))},b64digest:function(e){return a(d(s(e),e.length*n))},hash:function(e){return o(d(s(e),e.length*n))},hmac_hexdigest:function(e,t){return u(v(e,t))},hmac_b64digest:function(e,t){return a(v(e,t))},hmac_hash:function(e,t){return o(v(e,t))},test:function(){return MD5.hexdigest("abc")==="900150983cd24fb0d6963f7d28e17f72"}};return m}();
var Strophe;
/** Function: $build
* Create a Strophe.Builder.
* This is an alias for 'new Strophe.Builder(name, attrs)'.
*
* Parameters:
* (String) name - The root element name.
* (Object) attrs - The attributes for the root element in object notation.
*
* Returns:
* A new Strophe.Builder object.
*/
function $build(name, attrs) { return new Strophe.Builder(name, attrs); }
/** Function: $msg
* Create a Strophe.Builder with a <message/> element as the root.
*
* Parmaeters:
* (Object) attrs - The <message/> element attributes in object notation.
*
* Returns:
* A new Strophe.Builder object.
*/
function $msg(attrs) { return new Strophe.Builder("message", attrs); }
/** Function: $iq
* Create a Strophe.Builder with an <iq/> element as the root.
*
* Parameters:
* (Object) attrs - The <iq/> element attributes in object notation.
*
* Returns:
* A new Strophe.Builder object.
*/
function $iq(attrs) { return new Strophe.Builder("iq", attrs); }
/** Function: $pres
* Create a Strophe.Builder with a <presence/> element as the root.
*
* Parameters:
* (Object) attrs - The <presence/> element attributes in object notation.
*
* Returns:
* A new Strophe.Builder object.
*/
function $pres(attrs) { return new Strophe.Builder("presence", attrs); }
/** Class: Strophe
* An object container for all Strophe library functions.
*
* This class is just a container for all the objects and constants
* used in the library. It is not meant to be instantiated, but to
* provide a namespace for library objects, constants, and functions.
*/
Strophe = {
/** Constant: VERSION
* The version of the Strophe library. Unreleased builds will have
* a version of head-HASH where HASH is a partial revision.
*/
VERSION: "",
/** Constants: XMPP Namespace Constants
* Common namespace constants from the XMPP RFCs and XEPs.
*
* NS.HTTPBIND - HTTP BIND namespace from XEP 124.
* NS.BOSH - BOSH namespace from XEP 206.
* NS.CLIENT - Main XMPP client namespace.
* NS.AUTH - Legacy authentication namespace.
* NS.ROSTER - Roster operations namespace.
* NS.PROFILE - Profile namespace.
* NS.DISCO_INFO - Service discovery info namespace from XEP 30.
* NS.DISCO_ITEMS - Service discovery items namespace from XEP 30.
* NS.MUC - Multi-User Chat namespace from XEP 45.
* NS.SASL - XMPP SASL namespace from RFC 3920.
* NS.STREAM - XMPP Streams namespace from RFC 3920.
* NS.BIND - XMPP Binding namespace from RFC 3920.
* NS.SESSION - XMPP Session namespace from RFC 3920.
* NS.XHTML_IM - XHTML-IM namespace from XEP 71.
* NS.XHTML - XHTML body namespace from XEP 71.
*/
NS: {
HTTPBIND: "http://jabber.org/protocol/httpbind",
BOSH: "urn:xmpp:xbosh",
CLIENT: "jabber:client",
AUTH: "jabber:iq:auth",
ROSTER: "jabber:iq:roster",
PROFILE: "jabber:iq:profile",
DISCO_INFO: "http://jabber.org/protocol/disco#info",
DISCO_ITEMS: "http://jabber.org/protocol/disco#items",
MUC: "http://jabber.org/protocol/muc",
SASL: "urn:ietf:params:xml:ns:xmpp-sasl",
STREAM: "http://etherx.jabber.org/streams",
BIND: "urn:ietf:params:xml:ns:xmpp-bind",
SESSION: "urn:ietf:params:xml:ns:xmpp-session",
VERSION: "jabber:iq:version",
STANZAS: "urn:ietf:params:xml:ns:xmpp-stanzas",
XHTML_IM: "http://jabber.org/protocol/xhtml-im",
XHTML: "http://www.w3.org/1999/xhtml"
},
/** Constants: XHTML_IM Namespace
* contains allowed tags, tag attributes, and css properties.
* Used in the createHtml function to filter incoming html into the allowed XHTML-IM subset.
* See http://xmpp.org/extensions/xep-0071.html#profile-summary for the list of recommended
* allowed tags and their attributes.
*/
XHTML: {
tags: ['a','blockquote','br','cite','em','img','li','ol','p','span','strong','ul','body'],
attributes: {
'a': ['href'],
'blockquote': ['style'],
'br': [],
'cite': ['style'],
'em': [],
'img': ['src', 'alt', 'style', 'height', 'width'],
'li': ['style'],
'ol': ['style'],
'p': ['style'],
'span': ['style'],
'strong': [],
'ul': ['style'],
'body': []
},
css: ['background-color','color','font-family','font-size','font-style','font-weight','margin-left','margin-right','text-align','text-decoration'],
validTag: function(tag)
{
for(var i = 0; i < Strophe.XHTML.tags.length; i++) {
if(tag == Strophe.XHTML.tags[i]) {
return true;
}
}
return false;
},
validAttribute: function(tag, attribute)
{
if(typeof Strophe.XHTML.attributes[tag] !== 'undefined' && Strophe.XHTML.attributes[tag].length > 0) {
for(var i = 0; i < Strophe.XHTML.attributes[tag].length; i++) {
if(attribute == Strophe.XHTML.attributes[tag][i]) {
return true;
}
}
}
return false;
},
validCSS: function(style)
{
for(var i = 0; i < Strophe.XHTML.css.length; i++) {
if(style == Strophe.XHTML.css[i]) {
return true;
}
}
return false;
}
},
/** Function: addNamespace
* This function is used to extend the current namespaces in
* Strophe.NS. It takes a key and a value with the key being the
* name of the new namespace, with its actual value.
* For example:
* Strophe.addNamespace('PUBSUB', "http://jabber.org/protocol/pubsub");
*
* Parameters:
* (String) name - The name under which the namespace will be
* referenced under Strophe.NS
* (String) value - The actual namespace.
*/
addNamespace: function (name, value)
{
Strophe.NS[name] = value;
},
/** Constants: Connection Status Constants
* Connection status constants for use by the connection handler
* callback.
*
* Status.ERROR - An error has occurred
* Status.CONNECTING - The connection is currently being made
* Status.CONNFAIL - The connection attempt failed
* Status.AUTHENTICATING - The connection is authenticating
* Status.AUTHFAIL - The authentication attempt failed
* Status.CONNECTED - The connection has succeeded
* Status.DISCONNECTED - The connection has been terminated
* Status.DISCONNECTING - The connection is currently being terminated
* Status.ATTACHED - The connection has been attached
*/
Status: {
ERROR: 0,
CONNECTING: 1,
CONNFAIL: 2,
AUTHENTICATING: 3,
AUTHFAIL: 4,
CONNECTED: 5,
DISCONNECTED: 6,
DISCONNECTING: 7,
ATTACHED: 8
},
/** Constants: Log Level Constants
* Logging level indicators.
*
* LogLevel.DEBUG - Debug output
* LogLevel.INFO - Informational output
* LogLevel.WARN - Warnings
* LogLevel.ERROR - Errors
* LogLevel.FATAL - Fatal errors
*/
LogLevel: {
DEBUG: 0,
INFO: 1,
WARN: 2,
ERROR: 3,
FATAL: 4
},
/** PrivateConstants: DOM Element Type Constants
* DOM element types.
*
* ElementType.NORMAL - Normal element.
* ElementType.TEXT - Text data element.
* ElementType.FRAGMENT - XHTML fragment element.
*/
ElementType: {
NORMAL: 1,
TEXT: 3,
CDATA: 4,
FRAGMENT: 11
},
/** PrivateConstants: Timeout Values
* Timeout values for error states. These values are in seconds.
* These should not be changed unless you know exactly what you are
* doing.
*
* TIMEOUT - Timeout multiplier. A waiting request will be considered
* failed after Math.floor(TIMEOUT * wait) seconds have elapsed.
* This defaults to 1.1, and with default wait, 66 seconds.
* SECONDARY_TIMEOUT - Secondary timeout multiplier. In cases where
* Strophe can detect early failure, it will consider the request
* failed if it doesn't return after
* Math.floor(SECONDARY_TIMEOUT * wait) seconds have elapsed.
* This defaults to 0.1, and with default wait, 6 seconds.
*/
TIMEOUT: 1.1,
SECONDARY_TIMEOUT: 0.1,
/** Function: forEachChild
* Map a function over some or all child elements of a given element.
*
* This is a small convenience function for mapping a function over
* some or all of the children of an element. If elemName is null, all
* children will be passed to the function, otherwise only children
* whose tag names match elemName will be passed.
*
* Parameters:
* (XMLElement) elem - The element to operate on.
* (String) elemName - The child element tag name filter.
* (Function) func - The function to apply to each child. This
* function should take a single argument, a DOM element.
*/
forEachChild: function (elem, elemName, func)
{
var i, childNode;
for (i = 0; i < elem.childNodes.length; i++) {
childNode = elem.childNodes[i];
if (childNode.nodeType == Strophe.ElementType.NORMAL &&
(!elemName || this.isTagEqual(childNode, elemName))) {
func(childNode);
}
}
},
/** Function: isTagEqual
* Compare an element's tag name with a string.
*
* This function is case insensitive.
*
* Parameters:
* (XMLElement) el - A DOM element.
* (String) name - The element name.
*
* Returns:
* true if the element's tag name matches _el_, and false
* otherwise.
*/
isTagEqual: function (el, name)
{
return el.tagName.toLowerCase() == name.toLowerCase();
},
/** PrivateVariable: _xmlGenerator
* _Private_ variable that caches a DOM document to
* generate elements.
*/
_xmlGenerator: null,
/** PrivateFunction: _makeGenerator
* _Private_ function that creates a dummy XML DOM document to serve as
* an element and text node generator.
*/
_makeGenerator: function () {
var doc;
// IE9 does implement createDocument(); however, using it will cause the browser to leak memory on page unload.
// Here, we test for presence of createDocument() plus IE's proprietary documentMode attribute, which would be
// less than 10 in the case of IE9 and below.
if (document.implementation.createDocument === undefined ||
document.implementation.createDocument && document.documentMode && document.documentMode < 10) {
doc = this._getIEXmlDom();
doc.appendChild(doc.createElement('strophe'));
} else {
doc = document.implementation
.createDocument('jabber:client', 'strophe', null);
}
return doc;
},
/** Function: xmlGenerator
* Get the DOM document to generate elements.
*
* Returns:
* The currently used DOM document.
*/
xmlGenerator: function () {
if (!Strophe._xmlGenerator) {
Strophe._xmlGenerator = Strophe._makeGenerator();
}
return Strophe._xmlGenerator;
},
/** PrivateFunction: _getIEXmlDom
* Gets IE xml doc object
*
* Returns:
* A Microsoft XML DOM Object
* See Also:
* http://msdn.microsoft.com/en-us/library/ms757837%28VS.85%29.aspx
*/
_getIEXmlDom : function() {
var doc = null;
var docStrings = [
"Msxml2.DOMDocument.6.0",
"Msxml2.DOMDocument.5.0",
"Msxml2.DOMDocument.4.0",
"MSXML2.DOMDocument.3.0",
"MSXML2.DOMDocument",
"MSXML.DOMDocument",
"Microsoft.XMLDOM"
];
for (var d = 0; d < docStrings.length; d++) {
if (doc === null) {
try {
doc = new ActiveXObject(docStrings[d]);
} catch (e) {
doc = null;
}
} else {
break;
}
}
return doc;
},
/** Function: xmlElement
* Create an XML DOM element.
*
* This function creates an XML DOM element correctly across all
* implementations. Note that these are not HTML DOM elements, which
* aren't appropriate for XMPP stanzas.
*
* Parameters:
* (String) name - The name for the element.
* (Array|Object) attrs - An optional array or object containing
* key/value pairs to use as element attributes. The object should
* be in the format {'key': 'value'} or {key: 'value'}. The array
* should have the format [['key1', 'value1'], ['key2', 'value2']].
* (String) text - The text child data for the element.
*
* Returns:
* A new XML DOM element.
*/
xmlElement: function (name)
{
if (!name) { return null; }
var node = Strophe.xmlGenerator().createElement(name);
// FIXME: this should throw errors if args are the wrong type or
// there are more than two optional args
var a, i, k;
for (a = 1; a < arguments.length; a++) {
if (!arguments[a]) { continue; }
if (typeof(arguments[a]) == "string" ||
typeof(arguments[a]) == "number") {
node.appendChild(Strophe.xmlTextNode(arguments[a]));
} else if (typeof(arguments[a]) == "object" &&
typeof(arguments[a].sort) == "function") {
for (i = 0; i < arguments[a].length; i++) {
if (typeof(arguments[a][i]) == "object" &&
typeof(arguments[a][i].sort) == "function") {
node.setAttribute(arguments[a][i][0],
arguments[a][i][1]);
}
}
} else if (typeof(arguments[a]) == "object") {
for (k in arguments[a]) {
if (arguments[a].hasOwnProperty(k)) {
node.setAttribute(k, arguments[a][k]);
}
}
}
}
return node;
},
/* Function: xmlescape
* Excapes invalid xml characters.
*
* Parameters:
* (String) text - text to escape.
*
* Returns:
* Escaped text.
*/
xmlescape: function(text)
{
text = text.replace(/\&/g, "&");
text = text.replace(/</g, "<");
text = text.replace(/>/g, ">");
text = text.replace(/'/g, "'");
text = text.replace(/"/g, """);
return text;
},
/** Function: xmlTextNode
* Creates an XML DOM text node.
*
* Provides a cross implementation version of document.createTextNode.
*
* Parameters:
* (String) text - The content of the text node.
*
* Returns:
* A new XML DOM text node.
*/
xmlTextNode: function (text)
{
return Strophe.xmlGenerator().createTextNode(text);
},
/** Function: xmlHtmlNode
* Creates an XML DOM html node.
*
* Parameters:
* (String) html - The content of the html node.
*
* Returns:
* A new XML DOM text node.
*/
xmlHtmlNode: function (html)
{
//ensure text is escaped
if (window.DOMParser) {
parser = new DOMParser();
node = parser.parseFromString(html, "text/xml");
} else {
node = new ActiveXObject("Microsoft.XMLDOM");
node.async="false";
node.loadXML(html);
}
return node;
},
/** Function: getText
* Get the concatenation of all text children of an element.
*
* Parameters:
* (XMLElement) elem - A DOM element.
*
* Returns:
* A String with the concatenated text of all text element children.
*/
getText: function (elem)
{
if (!elem) { return null; }
var str = "";
if (elem.childNodes.length === 0 && elem.nodeType ==
Strophe.ElementType.TEXT) {
str += elem.nodeValue;
}
for (var i = 0; i < elem.childNodes.length; i++) {
if (elem.childNodes[i].nodeType == Strophe.ElementType.TEXT) {
str += elem.childNodes[i].nodeValue;
}
}
return Strophe.xmlescape(str);
},
/** Function: copyElement
* Copy an XML DOM element.
*
* This function copies a DOM element and all its descendants and returns
* the new copy.
*
* Parameters:
* (XMLElement) elem - A DOM element.
*
* Returns:
* A new, copied DOM element tree.
*/
copyElement: function (elem)
{
var i, el;
if (elem.nodeType == Strophe.ElementType.NORMAL) {
el = Strophe.xmlElement(elem.tagName);
for (i = 0; i < elem.attributes.length; i++) {
el.setAttribute(elem.attributes[i].nodeName.toLowerCase(),
elem.attributes[i].value);
}
for (i = 0; i < elem.childNodes.length; i++) {
el.appendChild(Strophe.copyElement(elem.childNodes[i]));
}
} else if (elem.nodeType == Strophe.ElementType.TEXT) {
el = Strophe.xmlGenerator().createTextNode(elem.nodeValue);
}
return el;
},
/** Function: createHtml
* Copy an HTML DOM element into an XML DOM.
*
* This function copies a DOM element and all its descendants and returns
* the new copy.
*
* Parameters:
* (HTMLElement) elem - A DOM element.
*
* Returns:
* A new, copied DOM element tree.
*/
createHtml: function (elem)
{
var i, el, j, tag, attribute, value, css, cssAttrs, attr, cssName, cssValue, children, child;
if (elem.nodeType == Strophe.ElementType.NORMAL) {
tag = elem.nodeName.toLowerCase();
if(Strophe.XHTML.validTag(tag)) {
try {
el = Strophe.xmlElement(tag);
for(i = 0; i < Strophe.XHTML.attributes[tag].length; i++) {
attribute = Strophe.XHTML.attributes[tag][i];
value = elem.getAttribute(attribute);
if(typeof value == 'undefined' || value === null || value === '' || value === false || value === 0) {
continue;
}
if(attribute == 'style' && typeof value == 'object') {
if(typeof value.cssText != 'undefined') {
value = value.cssText; // we're dealing with IE, need to get CSS out
}
}
// filter out invalid css styles
if(attribute == 'style') {
css = [];
cssAttrs = value.split(';');
for(j = 0; j < cssAttrs.length; j++) {
attr = cssAttrs[j].split(':');
cssName = attr[0].replace(/^\s*/, "").replace(/\s*$/, "").toLowerCase();
if(Strophe.XHTML.validCSS(cssName)) {
cssValue = attr[1].replace(/^\s*/, "").replace(/\s*$/, "");
css.push(cssName + ': ' + cssValue);
}
}
if(css.length > 0) {
value = css.join('; ');
el.setAttribute(attribute, value);
}
} else {
el.setAttribute(attribute, value);
}
}
for (i = 0; i < elem.childNodes.length; i++) {
el.appendChild(Strophe.createHtml(elem.childNodes[i]));
}
} catch(e) { // invalid elements
el = Strophe.xmlTextNode('');
}
} else {
el = Strophe.xmlGenerator().createDocumentFragment();
for (i = 0; i < elem.childNodes.length; i++) {
el.appendChild(Strophe.createHtml(elem.childNodes[i]));
}
}
} else if (elem.nodeType == Strophe.ElementType.FRAGMENT) {
el = Strophe.xmlGenerator().createDocumentFragment();
for (i = 0; i < elem.childNodes.length; i++) {
el.appendChild(Strophe.createHtml(elem.childNodes[i]));
}
} else if (elem.nodeType == Strophe.ElementType.TEXT) {
el = Strophe.xmlTextNode(elem.nodeValue);
}
return el;
},
/** Function: escapeNode
* Escape the node part (also called local part) of a JID.
*
* Parameters:
* (String) node - A node (or local part).
*
* Returns:
* An escaped node (or local part).
*/
escapeNode: function (node)
{
return node.replace(/^\s+|\s+$/g, '')
.replace(/\\/g, "\\5c")
.replace(/ /g, "\\20")
.replace(/\"/g, "\\22")
.replace(/\&/g, "\\26")
.replace(/\'/g, "\\27")
.replace(/\//g, "\\2f")
.replace(/:/g, "\\3a")
.replace(/</g, "\\3c")
.replace(/>/g, "\\3e")
.replace(/@/g, "\\40");
},
/** Function: unescapeNode
* Unescape a node part (also called local part) of a JID.
*
* Parameters:
* (String) node - A node (or local part).
*
* Returns:
* An unescaped node (or local part).
*/
unescapeNode: function (node)
{
return node.replace(/\\20/g, " ")
.replace(/\\22/g, '"')
.replace(/\\26/g, "&")
.replace(/\\27/g, "'")
.replace(/\\2f/g, "/")
.replace(/\\3a/g, ":")
.replace(/\\3c/g, "<")
.replace(/\\3e/g, ">")
.replace(/\\40/g, "@")
.replace(/\\5c/g, "\\");
},
/** Function: getNodeFromJid
* Get the node portion of a JID String.
*
* Parameters:
* (String) jid - A JID.
*
* Returns:
* A String containing the node.
*/
getNodeFromJid: function (jid)
{
if (jid.indexOf("@") < 0) { return null; }
return jid.split("@")[0];
},
/** Function: getDomainFromJid
* Get the domain portion of a JID String.
*
* Parameters:
* (String) jid - A JID.
*
* Returns:
* A String containing the domain.
*/
getDomainFromJid: function (jid)
{
var bare = Strophe.getBareJidFromJid(jid);
if (bare.indexOf("@") < 0) {
return bare;
} else {
var parts = bare.split("@");
parts.splice(0, 1);
return parts.join('@');
}
},
/** Function: getResourceFromJid
* Get the resource portion of a JID String.
*
* Parameters:
* (String) jid - A JID.
*
* Returns:
* A String containing the resource.
*/
getResourceFromJid: function (jid)
{
var s = jid.split("/");
if (s.length < 2) { return null; }
s.splice(0, 1);
return s.join('/');
},
/** Function: getBareJidFromJid
* Get the bare JID from a JID String.
*
* Parameters:
* (String) jid - A JID.
*
* Returns:
* A String containing the bare JID.
*/
getBareJidFromJid: function (jid)
{
return jid ? jid.split("/")[0] : null;
},
/** Function: log
* User overrideable logging function.
*
* This function is called whenever the Strophe library calls any
* of the logging functions. The default implementation of this
* function does nothing. If client code wishes to handle the logging
* messages, it should override this with
* > Strophe.log = function (level, msg) {
* > (user code here)
* > };
*
* Please note that data sent and received over the wire is logged
* via Strophe.Connection.rawInput() and Strophe.Connection.rawOutput().
*
* The different levels and their meanings are
*
* DEBUG - Messages useful for debugging purposes.
* INFO - Informational messages. This is mostly information like
* 'disconnect was called' or 'SASL auth succeeded'.
* WARN - Warnings about potential problems. This is mostly used
* to report transient connection errors like request timeouts.
* ERROR - Some error occurred.
* FATAL - A non-recoverable fatal error occurred.
*
* Parameters:
* (Integer) level - The log level of the log message. This will
* be one of the values in Strophe.LogLevel.
* (String) msg - The log message.
*/
log: function (level, msg)
{
return;
},
/** Function: debug
* Log a message at the Strophe.LogLevel.DEBUG level.
*
* Parameters:
* (String) msg - The log message.
*/
debug: function(msg)
{
this.log(this.LogLevel.DEBUG, msg);
},
/** Function: info
* Log a message at the Strophe.LogLevel.INFO level.
*
* Parameters:
* (String) msg - The log message.
*/
info: function (msg)
{
this.log(this.LogLevel.INFO, msg);
},
/** Function: warn
* Log a message at the Strophe.LogLevel.WARN level.
*
* Parameters:
* (String) msg - The log message.
*/
warn: function (msg)
{
this.log(this.LogLevel.WARN, msg);
},
/** Function: error
* Log a message at the Strophe.LogLevel.ERROR level.
*
* Parameters:
* (String) msg - The log message.
*/
error: function (msg)
{
this.log(this.LogLevel.ERROR, msg);
},
/** Function: fatal
* Log a message at the Strophe.LogLevel.FATAL level.
*
* Parameters:
* (String) msg - The log message.
*/
fatal: function (msg)
{
this.log(this.LogLevel.FATAL, msg);
},
/** Function: serialize
* Render a DOM element and all descendants to a String.
*
* Parameters:
* (XMLElement) elem - A DOM element.
*
* Returns:
* The serialized element tree as a String.
*/
serialize: function (elem)
{
var result;
if (!elem) { return null; }
if (typeof(elem.tree) === "function") {
elem = elem.tree();
}
var nodeName = elem.nodeName;
var i, child;
if (elem.getAttribute("_realname")) {
nodeName = elem.getAttribute("_realname");
}
result = "<" + nodeName;
for (i = 0; i < elem.attributes.length; i++) {
if(elem.attributes[i].nodeName != "_realname") {
result += " " + elem.attributes[i].nodeName.toLowerCase() +
"='" + elem.attributes[i].value
.replace(/&/g, "&")
.replace(/\'/g, "'")
.replace(/>/g, ">")
.replace(/</g, "<") + "'";
}
}
if (elem.childNodes.length > 0) {
result += ">";
for (i = 0; i < elem.childNodes.length; i++) {
child = elem.childNodes[i];
switch( child.nodeType ){
case Strophe.ElementType.NORMAL:
// normal element, so recurse
result += Strophe.serialize(child);
break;
case Strophe.ElementType.TEXT:
// text element to escape values
result += Strophe.xmlescape(child.nodeValue);
break;
case Strophe.ElementType.CDATA:
// cdata section so don't escape values
result += "<![CDATA["+child.nodeValue+"]]>";
}
}
result += "</" + nodeName + ">";
} else {
result += "/>";
}
return result;
},
/** PrivateVariable: _requestId
* _Private_ variable that keeps track of the request ids for
* connections.
*/
_requestId: 0,
/** PrivateVariable: Strophe.connectionPlugins
* _Private_ variable Used to store plugin names that need
* initialization on Strophe.Connection construction.
*/
_connectionPlugins: {},
/** Function: addConnectionPlugin
* Extends the Strophe.Connection object with the given plugin.
*
* Parameters:
* (String) name - The name of the extension.
* (Object) ptype - The plugin's prototype.
*/
addConnectionPlugin: function (name, ptype)
{
Strophe._connectionPlugins[name] = ptype;
}
};
/** Class: Strophe.Builder
* XML DOM builder.
*
* This object provides an interface similar to JQuery but for building
* DOM element easily and rapidly. All the functions except for toString()
* and tree() return the object, so calls can be chained. Here's an
* example using the $iq() builder helper.
* > $iq({to: 'you', from: 'me', type: 'get', id: '1'})
* > .c('query', {xmlns: 'strophe:example'})
* > .c('example')
* > .toString()
* The above generates this XML fragment
* > <iq to='you' from='me' type='get' id='1'>
* > <query xmlns='strophe:example'>
* > <example/>
* > </query>
* > </iq>
* The corresponding DOM manipulations to get a similar fragment would be
* a lot more tedious and probably involve several helper variables.
*
* Since adding children makes new operations operate on the child, up()
* is provided to traverse up the tree. To add two children, do
* > builder.c('child1', ...).up().c('child2', ...)
* The next operation on the Builder will be relative to the second child.
*/
/** Constructor: Strophe.Builder
* Create a Strophe.Builder object.
*
* The attributes should be passed in object notation. For example
* > var b = new Builder('message', {to: 'you', from: 'me'});
* or
* > var b = new Builder('messsage', {'xml:lang': 'en'});
*
* Parameters:
* (String) name - The name of the root element.
* (Object) attrs - The attributes for the root element in object notation.
*
* Returns:
* A new Strophe.Builder.
*/
Strophe.Builder = function (name, attrs)
{
// Set correct namespace for jabber:client elements
if (name == "presence" || name == "message" || name == "iq") {
if (attrs && !attrs.xmlns) {
attrs.xmlns = Strophe.NS.CLIENT;
} else if (!attrs) {
attrs = {xmlns: Strophe.NS.CLIENT};
}
}
// Holds the tree being built.
this.nodeTree = Strophe.xmlElement(name, attrs);
// Points to the current operation node.
this.node = this.nodeTree;
};
Strophe.Builder.prototype = {
/** Function: tree
* Return the DOM tree.
*
* This function returns the current DOM tree as an element object. This
* is suitable for passing to functions like Strophe.Connection.send().
*
* Returns:
* The DOM tree as a element object.
*/
tree: function ()
{
return this.nodeTree;
},
/** Function: toString
* Serialize the DOM tree to a String.
*
* This function returns a string serialization of the current DOM
* tree. It is often used internally to pass data to a
* Strophe.Request object.
*
* Returns:
* The serialized DOM tree in a String.