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annotate mod_json_streams/strophe.jsonstreams.js @ 4974:807007913f67

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mod_log_json: Prefer native Lua table.pack over Prosody util.table one Prosody is removing support for Lua 5.1, which was the reason for util.table.pack to exist in the first place, since Lua 5.2+ provides table.pack. In prosody rev 5eaf77114fdb everything was switched over to use table.pack, opening the door for removing util.table.pack at some point. This change here is to prepare for that future eventuality.
author Kim Alvefur <zash@zash.se>
date Mon, 11 Jul 2022 20:08:41 +0200
parents 7dbde05b48a9
children
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85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
parents:
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1
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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2 /* jsonstreams plugin
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3 **
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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4 ** This plugin upgrades Strophe to support XEP-0295: JSON Encodings for XMPP
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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5 **
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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6 */
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8 Strophe.addConnectionPlugin('jsonstreams', {
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9 init: function (conn) {
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11 var parseXMLString = function(xmlStr) {
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12 var xmlDoc = null;
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13 if (window.ActiveXObject) {
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14 xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
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15 xmlDoc.async=false;
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16 xmlDoc.loadXML(xmlStr);
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17 } else {
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18 var parser = new DOMParser();
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19 xmlDoc = parser.parseFromString(xmlStr, "text/xml");
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20 }
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21 return xmlDoc;
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22 }
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24 // replace Strophe.Request._newXHR with new jsonstreams version
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25 // if JSON is detected
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26 if (window.JSON) {
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27 var _newXHR = Strophe.Request.prototype._newXHR;
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28 Strophe.Request.prototype._newXHR = function () {
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29 var _xhr = _newXHR.apply(this, arguments);
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30 var xhr = {
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31 readyState: 0,
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32 responseText: null,
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33 responseXML: null,
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34 status: null,
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35 open: function(a, b, c) { return _xhr.open(a, b, c) },
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36 abort: function() { _xhr.abort(); },
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37 send: function(data) {
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38 data = JSON.stringify({"s":data});
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39 return _xhr.send(data);
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40 }
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41 };
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42 var req = this;
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43 xhr.onreadystatechange = this.func.bind(null, this);
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44 _xhr.onreadystatechange = function() {
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45 xhr.readyState = _xhr.readyState;
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46 if (xhr.readyState != 4) {
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47 xhr.status = 0;
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48 xhr.responseText = "";
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49 xhr.responseXML = null;
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50 } else {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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51 xhr.status = _xhr.status;
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52 xhr.responseText = _xhr.responseText;
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53 xhr.responseXML = _xhr.responseXML;
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54 if (_xhr.responseText && !(_xhr.responseXML
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55 && _xhr.responseXML.documentElement
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56 && _xhr.responseXML.documentElement.tagName != "parsererror")) {
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57 var data = JSON.parse(_xhr.responseText);
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58 if (data && data.s) {
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59 xhr.responseText = data.s;
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60 xhr.responseXML = parseXMLString(data.s);
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61 }
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62 }
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63 }
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64 if ("function" == typeof xhr.onreadystatechange) { xhr.onreadystatechange(req); }
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65 }
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66 return xhr;
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67 };
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68 } else {
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69 Strophe.error("jsonstreams plugin loaded, but JSON not found." +
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70 " Falling back to native XHR implementation.");
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71 }
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72 }
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73 });