mirror of
https://github.com/telekom-security/tpotce.git
synced 2025-11-03 22:12:53 +00:00
462 lines
13 KiB
Text
462 lines
13 KiB
Text
/*
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* vim: expandtab shiftwidth=4 softtabstop=4
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*/
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/* global dav */
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if (typeof dav == 'undefined') { dav = {}; };
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dav._XML_CHAR_MAP = {
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'<': '<',
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'>': '>',
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'&': '&',
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'"': '"',
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"'": '''
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};
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dav._escapeXml = function(s) {
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return s.replace(/[<>&"']/g, function (ch) {
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return dav._XML_CHAR_MAP[ch];
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});
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};
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dav.Client = function(options) {
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var i;
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for(i in options) {
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this[i] = options[i];
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}
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};
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dav.Client.prototype = {
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baseUrl : null,
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userName : null,
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password : null,
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xmlNamespaces : {
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'DAV:' : 'd'
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},
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/**
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* Generates a propFind request.
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*
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* @param {string} url Url to do the propfind request on
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* @param {Array} properties List of properties to retrieve.
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* @param {Object} [headers] headers
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* @return {Promise}
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*/
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propFind : function(url, properties, depth, headers) {
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if(typeof depth == "undefined") {
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depth = 0;
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}
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headers = headers || {};
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headers['Depth'] = depth;
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headers['Content-Type'] = 'application/xml; charset=utf-8';
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var body =
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'<?xml version="1.0"?>\n' +
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'<d:propfind ';
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var namespace;
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for (namespace in this.xmlNamespaces) {
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body += ' xmlns:' + this.xmlNamespaces[namespace] + '="' + namespace + '"';
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}
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body += '>\n' +
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' <d:prop>\n';
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for(var ii in properties) {
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if (!properties.hasOwnProperty(ii)) {
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continue;
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}
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var property = this.parseClarkNotation(properties[ii]);
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if (this.xmlNamespaces[property.namespace]) {
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body+=' <' + this.xmlNamespaces[property.namespace] + ':' + property.name + ' />\n';
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} else {
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body+=' <x:' + property.name + ' xmlns:x="' + property.namespace + '" />\n';
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}
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}
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body+=' </d:prop>\n';
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body+='</d:propfind>';
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return this.request('PROPFIND', url, headers, body).then(
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function(result) {
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if (depth===0) {
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return {
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status: result.status,
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body: result.body[0],
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xhr: result.xhr
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};
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} else {
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return {
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status: result.status,
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body: result.body,
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xhr: result.xhr
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};
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}
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}.bind(this)
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);
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},
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/**
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* Renders a "d:set" block for the given properties.
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*
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* @param {Object.<String,String>} properties
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* @return {String} XML "<d:set>" block
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*/
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_renderPropSet: function(properties) {
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var body = ' <d:set>\n' +
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' <d:prop>\n';
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for(var ii in properties) {
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if (!properties.hasOwnProperty(ii)) {
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continue;
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}
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var property = this.parseClarkNotation(ii);
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var propName;
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var propValue = properties[ii];
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if (this.xmlNamespaces[property.namespace]) {
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propName = this.xmlNamespaces[property.namespace] + ':' + property.name;
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} else {
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propName = 'x:' + property.name + ' xmlns:x="' + property.namespace + '"';
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}
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// FIXME: hard-coded for now until we allow properties to
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// specify whether to be escaped or not
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if (propName !== 'd:resourcetype') {
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propValue = dav._escapeXml(propValue);
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}
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body += ' <' + propName + '>' + propValue + '</' + propName + '>\n';
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}
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body +=' </d:prop>\n';
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body +=' </d:set>\n';
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return body;
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},
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/**
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* Generates a propPatch request.
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*
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* @param {string} url Url to do the proppatch request on
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* @param {Object.<String,String>} properties List of properties to store.
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* @param {Object} [headers] headers
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* @return {Promise}
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*/
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propPatch : function(url, properties, headers) {
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headers = headers || {};
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headers['Content-Type'] = 'application/xml; charset=utf-8';
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var body =
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'<?xml version="1.0"?>\n' +
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'<d:propertyupdate ';
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var namespace;
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for (namespace in this.xmlNamespaces) {
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body += ' xmlns:' + this.xmlNamespaces[namespace] + '="' + namespace + '"';
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}
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body += '>\n' + this._renderPropSet(properties);
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body += '</d:propertyupdate>';
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return this.request('PROPPATCH', url, headers, body).then(
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function(result) {
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return {
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status: result.status,
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body: result.body,
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xhr: result.xhr
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};
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}.bind(this)
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);
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},
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/**
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* Generates a MKCOL request.
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* If attributes are given, it will use an extended MKCOL request.
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*
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* @param {string} url Url to do the proppatch request on
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* @param {Object.<String,String>} [properties] list of properties to store.
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* @param {Object} [headers] headers
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* @return {Promise}
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*/
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mkcol : function(url, properties, headers) {
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var body = '';
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headers = headers || {};
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headers['Content-Type'] = 'application/xml; charset=utf-8';
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if (properties) {
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body =
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'<?xml version="1.0"?>\n' +
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'<d:mkcol';
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var namespace;
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for (namespace in this.xmlNamespaces) {
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body += ' xmlns:' + this.xmlNamespaces[namespace] + '="' + namespace + '"';
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}
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body += '>\n' + this._renderPropSet(properties);
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body +='</d:mkcol>';
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}
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return this.request('MKCOL', url, headers, body).then(
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function(result) {
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return {
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status: result.status,
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body: result.body,
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xhr: result.xhr
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};
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}.bind(this)
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);
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},
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/**
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* Performs a HTTP request, and returns a Promise
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*
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* @param {string} method HTTP method
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* @param {string} url Relative or absolute url
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* @param {Object} headers HTTP headers as an object.
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* @param {string} body HTTP request body.
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* @return {Promise}
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*/
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request : function(method, url, headers, body) {
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var self = this;
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var xhr = this.xhrProvider();
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headers = headers || {};
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if (this.userName) {
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headers['Authorization'] = 'Basic ' + btoa(this.userName + ':' + this.password);
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// xhr.open(method, this.resolveUrl(url), true, this.userName, this.password);
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}
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xhr.open(method, this.resolveUrl(url), true);
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var ii;
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for(ii in headers) {
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xhr.setRequestHeader(ii, headers[ii]);
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}
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// Work around for edge
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if (body === undefined) {
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xhr.send();
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} else {
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xhr.send(body);
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}
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return new Promise(function(fulfill, reject) {
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xhr.onreadystatechange = function() {
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if (xhr.readyState !== 4) {
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return;
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}
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var resultBody = xhr.response;
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if (xhr.status === 207) {
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resultBody = self.parseMultiStatus(xhr.response);
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}
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fulfill({
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body: resultBody,
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status: xhr.status,
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xhr: xhr
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});
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};
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xhr.ontimeout = function() {
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reject(new Error('Timeout exceeded'));
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};
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});
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},
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/**
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* Returns an XMLHttpRequest object.
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*
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* This is in its own method, so it can be easily overridden.
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*
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* @return {XMLHttpRequest}
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*/
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xhrProvider : function() {
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return new XMLHttpRequest();
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},
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/**
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* Parses a property node.
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*
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* Either returns a string if the node only contains text, or returns an
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* array of non-text subnodes.
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*
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* @param {Object} propNode node to parse
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* @return {string|Array} text content as string or array of subnodes, excluding text nodes
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*/
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_parsePropNode: function(propNode) {
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var content = null;
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if (propNode.childNodes && propNode.childNodes.length > 0) {
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var subNodes = [];
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// filter out text nodes
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for (var j = 0; j < propNode.childNodes.length; j++) {
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var node = propNode.childNodes[j];
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if (node.nodeType === 1) {
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subNodes.push(node);
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}
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}
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if (subNodes.length) {
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content = subNodes;
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}
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}
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return content || propNode.textContent || propNode.text || '';
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},
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/**
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* Parses a multi-status response body.
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*
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* @param {string} xmlBody
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* @param {Array}
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*/
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parseMultiStatus : function(xmlBody) {
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var parser = new DOMParser();
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var doc = parser.parseFromString(xmlBody, "application/xml");
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var resolver = function(foo) {
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var ii;
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for(ii in this.xmlNamespaces) {
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if (this.xmlNamespaces[ii] === foo) {
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return ii;
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}
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}
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}.bind(this);
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var responseIterator = doc.evaluate('/d:multistatus/d:response', doc, resolver, XPathResult.ANY_TYPE, null);
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var result = [];
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var responseNode = responseIterator.iterateNext();
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while(responseNode) {
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var response = {
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href : null,
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propStat : []
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};
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response.href = doc.evaluate('string(d:href)', responseNode, resolver, XPathResult.ANY_TYPE, null).stringValue;
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var propStatIterator = doc.evaluate('d:propstat', responseNode, resolver, XPathResult.ANY_TYPE, null);
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var propStatNode = propStatIterator.iterateNext();
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while(propStatNode) {
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var propStat = {
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status : doc.evaluate('string(d:status)', propStatNode, resolver, XPathResult.ANY_TYPE, null).stringValue,
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properties : {},
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};
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var propIterator = doc.evaluate('d:prop/*', propStatNode, resolver, XPathResult.ANY_TYPE, null);
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var propNode = propIterator.iterateNext();
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while(propNode) {
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var content = this._parsePropNode(propNode);
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propStat.properties['{' + propNode.namespaceURI + '}' + propNode.localName] = content;
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propNode = propIterator.iterateNext();
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}
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response.propStat.push(propStat);
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propStatNode = propStatIterator.iterateNext();
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}
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result.push(response);
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responseNode = responseIterator.iterateNext();
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}
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return result;
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},
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/**
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* Takes a relative url, and maps it to an absolute url, using the baseUrl
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*
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* @param {string} url
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* @return {string}
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*/
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resolveUrl : function(url) {
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// Note: this is rudamentary.. not sure yet if it handles every case.
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if (/^https?:\/\//i.test(url)) {
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// absolute
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return url;
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}
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var baseParts = this.parseUrl(this.baseUrl);
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if (url.charAt('/')) {
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// Url starts with a slash
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return baseParts.root + url;
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}
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// Url does not start with a slash, we need grab the base url right up until the last slash.
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var newUrl = baseParts.root + '/';
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if (baseParts.path.lastIndexOf('/')!==-1) {
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newUrl = newUrl = baseParts.path.subString(0, baseParts.path.lastIndexOf('/')) + '/';
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}
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newUrl+=url;
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return url;
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},
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/**
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* Parses a url and returns its individual components.
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*
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* @param {String} url
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* @return {Object}
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*/
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parseUrl : function(url) {
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var parts = url.match(/^(?:([A-Za-z]+):)?(\/{0,3})([0-9.\-A-Za-z]+)(?::(\d+))?(?:\/([^?#]*))?(?:\?([^#]*))?(?:#(.*))?$/);
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var result = {
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url : parts[0],
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scheme : parts[1],
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host : parts[3],
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port : parts[4],
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path : parts[5],
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query : parts[6],
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fragment : parts[7],
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};
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result.root =
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result.scheme + '://' +
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result.host +
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(result.port ? ':' + result.port : '');
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return result;
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},
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parseClarkNotation : function(propertyName) {
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var result = propertyName.match(/^{([^}]+)}(.*)$/);
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if (!result) {
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return;
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}
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return {
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name : result[2],
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namespace : result[1]
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};
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}
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};
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