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mod_json_streams/strophe.jsonstreams.js @ 4764:a754f7e380b2
mod_dnsupdate: Rewrite port config vs DNS comparison code
I'm not sure if it was correct, which means it was hard to understand
and thus needed to be simplified. Hope this accomplishes that.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 08 Nov 2021 23:03:14 +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."); } } });