Mercurial > prosody-modules
annotate mod_tcpproxy/web/xmpp.io.js @ 4249:64aa1d9d70ac
mod_rest: Catch and log errors in callback promise chain
From the code it looks like it should be possible to reply to an error
stanza, but it did not. Turns out I was saved by my local developer mode
module which throws errors if an attempt is made to create an errror
reply to an error stanza. However nothing collects this error from the
promise, so all I got was confusion.
author | Kim Alvefur <zash@zash.se> |
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date | Sun, 15 Nov 2020 16:25:49 +0100 |
parents | 7dbde05b48a9 |
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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 }; |