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annotate mod_tcpproxy/web/xmpp.io.js @ 3656:3e0f4d727825

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mod_vcard_muc: Add an alternative method of signaling avatar change When the avatar has been changed, a signal is sent that the room configuration has changed. Clients then do a disco#info query to find the SHA-1 of the new avatar. They can then fetch it as before, or not if they have it cached already. This is meant to be less disruptive than signaling via presence, which caused problems for some clients. If clients transition to the new method, the old one can eventually be removed. The namespace is made up while waiting for standardization. Otherwise it is very close to what's described in https://xmpp.org/extensions/inbox/muc-avatars.html
author Kim Alvefur <zash@zash.se>
date Sun, 25 Aug 2019 20:46:43 +0200
parents 7dbde05b48a9
children
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1 var xmlns_ibb = "http://jabber.org/protocol/ibb";
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2 var xmlns_tcp = "http://prosody.im/protocol/tcpproxy";
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3
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4 function XMPPIO(xmppconn, xmpptcp_host)
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5 {
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6 this.xmppconn = xmppconn;
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7 this.xmpphost = xmpptcp_host;
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8 this.sid = "FIXME";
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9
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10 this.listeners = [];
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11 return this;
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12 }
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13
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14 XMPPIO.prototype = {
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15 connect: function (host, port)
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16 {
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17 var conn = this;
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18 console.log("Connecting...");
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19
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20 function onConnect()
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21 {
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22 this.xmppconn.addHandler(function (stanza)
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23 {
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24 var data = stanza.getElementsByTagName("data")[0];
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25 if(data)
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26 conn.emit("data", Strophe.Base64.decode(Strophe.getText(data)));
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27 }, null, "message", null, null, this.xmpphost, {});
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28 this.xmppconn.addHandler(function (stanza)
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29 {
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30 var data = stanza.getElementsByTagName("close")[0];
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31 if(close)
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32 {
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33 conn.write = function () { throw "Connection closed"; };
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34 conn.emit("end");
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35 }
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36 }, xmlns_ibb, "iq", "set", null, this.xmpphost, {});
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37 conn.emit("connect");
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38 }
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39
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40 this.xmppconn.sendIQ($iq({to:this.xmpphost,type:"set"})
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41 .c("open", {
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42 "xmlns": xmlns_ibb,
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43 "xmlns:tcp": xmlns_tcp,
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44 "tcp:host": host,
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45 "tcp:port": port.toString(),
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46 "block-size": "4096",
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47 "sid": this.sid.toString(),
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48 "stanza": "message"
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49 }), onConnect,
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50 function () { conn.emit("error"); });
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51 },
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52 emit: function ()
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53 {
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54 console.log("xmpp.io: Emitting "+arguments[0]);
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55 var args = Array.prototype.slice.call(arguments, 1);
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56 var listeners = this.listeners[arguments[0]];
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57 if(listeners)
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58 {
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59 for(var i=0;i<listeners.length;i++)
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60 {
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61 listeners[i][1].apply(listeners[i][0], args);
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62 }
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63 }
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64 },
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65 addListener: function (event, method, obj)
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66 {
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67 if(typeof(obj)=="undefined")
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68 obj = this;
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69 if(!(event in this.listeners))
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70 this.listeners[event] = [];
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71 this.listeners[event].push([obj, method]);
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72 },
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73 write: function (data)
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74 {
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75 return this.xmppconn.send($msg({to:this.xmpphost})
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76 .c("data", {xmlns:xmlns_ibb, sid:this.sid.toString()})
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77 .t(Strophe.Base64.encode(data)));
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78 },
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79 end: function ()
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80 {
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81 return this.xmppconn.send($iq({to:this.xmpphost})
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82 .c("close", {xmlns:xmlns_ibb, sid:this.sid.toString()}));
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83 }
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84 };