Mercurial > prosody-modules
view mod_json_streams/strophe.jsonstreams.js @ 4282:281a864e7472
mod_pubsub_feeds: Don't skip publishing items after an existing one
I encountered a feed which was backwards, such that older entries were
considered first and then it would skip newer entries.
This may however run into trouble if the feed contains more items than
what's persisted in pubsub.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 30 Nov 2020 15:17:29 +0100 |
parents | 7dbde05b48a9 |
children |
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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."); } } });