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mod_json_streams/strophe.jsonstreams.js @ 3832:0d4146cf9fbc
mod_rest: Enforce single child policy for outgoing it stanzas
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 03 Jan 2020 18:29:10 +0100 |
parent | 1343:7dbde05b48a9 |
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/* jsonstreams plugin ** ** This plugin upgrades Strophe to support XEP-0295: JSON Encodings for XMPP ** */ Strophe.addConnectionPlugin('jsonstreams', { init: function (conn) { var parseXMLString = function(xmlStr) { var xmlDoc = null; if (window.ActiveXObject) { xmlDoc = new ActiveXObject("Microsoft.XMLDOM"); xmlDoc.async=false; xmlDoc.loadXML(xmlStr); } else { var parser = new DOMParser(); xmlDoc = parser.parseFromString(xmlStr, "text/xml"); } return xmlDoc; } // replace Strophe.Request._newXHR with new jsonstreams version // if JSON is detected if (window.JSON) { var _newXHR = Strophe.Request.prototype._newXHR; Strophe.Request.prototype._newXHR = function () { var _xhr = _newXHR.apply(this, arguments); var xhr = { readyState: 0, responseText: null, responseXML: null, status: null, open: function(a, b, c) { return _xhr.open(a, b, c) }, abort: function() { _xhr.abort(); }, send: function(data) { data = JSON.stringify({"s":data}); return _xhr.send(data); } }; var req = this; xhr.onreadystatechange = this.func.bind(null, this); _xhr.onreadystatechange = function() { xhr.readyState = _xhr.readyState; if (xhr.readyState != 4) { xhr.status = 0; xhr.responseText = ""; xhr.responseXML = null; } else { xhr.status = _xhr.status; xhr.responseText = _xhr.responseText; xhr.responseXML = _xhr.responseXML; if (_xhr.responseText && !(_xhr.responseXML && _xhr.responseXML.documentElement && _xhr.responseXML.documentElement.tagName != "parsererror")) { var data = JSON.parse(_xhr.responseText); if (data && data.s) { xhr.responseText = data.s; xhr.responseXML = parseXMLString(data.s); } } } if ("function" == typeof xhr.onreadystatechange) { xhr.onreadystatechange(req); } } return xhr; }; } else { Strophe.error("jsonstreams plugin loaded, but JSON not found." + " Falling back to native XHR implementation."); } } });