verse
6a65142052c8
client.lua

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client.lua @ 456:6a65142052c8

sasl: Include offered mechanisms in event when no supported mechanisms found This allows consumers of the event to determine what may be required in order to successfully authenticate.
author Matthew Wild <mwild1@gmail.com>
date Fri, 03 Mar 2023 12:10:54 +0000
parent 452:628896d39d8e
child 457:73d4eb93657b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
26
6c5fab6c11cf Rename verse2 -> verse
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1 local verse = require "verse";
1
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2 local stream = verse.stream_mt;
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3
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9c96318913f7 Revert module names throughout to their Prosody equivalents
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4 local jid_split = require "util.jid".split;
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5 local adns = require "net.adns";
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6 local st = require "util.stanza";
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e6fad7c411fe verse.client: Extend verse object with message/iq/presence/stanza methods from util.stanza
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7
e6fad7c411fe verse.client: Extend verse object with message/iq/presence/stanza methods from util.stanza
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8 -- Shortcuts to save having to load util.stanza
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9 verse.message, verse.presence, verse.iq, verse.stanza, verse.reply, verse.error_reply =
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10 st.message, st.presence, st.iq, st.stanza, st.reply, st.error_reply;
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11
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12 local new_xmpp_stream = require "util.xmppstream".new;
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14 local xmlns_stream = "http://etherx.jabber.org/streams";
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15
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16 local function compare_srv_priorities(a,b)
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17 return a.priority < b.priority or (a.priority == b.priority and a.weight > b.weight);
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18 end
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19
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abccad4b8559 verse.client: Update stream_callbacks format for new xmlhandlers API (thanks to Bill Clark for the patch)
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20 local stream_callbacks = {
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21 stream_ns = xmlns_stream,
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22 stream_tag = "stream",
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23 default_ns = "jabber:client" };
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25 function stream_callbacks.streamopened(stream, attr)
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26 stream.stream_id = attr.id;
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27 if not stream:event("opened", attr) then
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28 stream.notopen = nil;
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29 end
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30 return true;
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31 end
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32
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33 function stream_callbacks.streamclosed(stream)
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34 stream.notopen = true;
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35 if not stream.closed then
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36 stream:send("</stream:stream>");
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37 stream.closed = true;
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38 end
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39 stream:event("closed");
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40 return stream:close("stream closed")
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41 end
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42
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43 function stream_callbacks.handlestanza(stream, stanza)
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44 if stanza.attr.xmlns == xmlns_stream then
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45 return stream:event("stream-"..stanza.name, stanza);
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46 elseif stanza.attr.xmlns then
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47 return stream:event("stream/"..stanza.attr.xmlns, stanza);
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48 end
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49
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50 return stream:event("stanza", stanza);
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51 end
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52
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53 function stream_callbacks.error(stream, e, stanza)
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54 if stream:event(e, stanza) == nil then
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55 if stanza then
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56 local err = stanza:get_child(nil, "urn:ietf:params:xml:ns:xmpp-streams");
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57 local text = stanza:get_child_text("text", "urn:ietf:params:xml:ns:xmpp-streams");
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58 error(err.name..(text and ": "..text or ""));
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59 else
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60 error(stanza and stanza.name or e or "unknown-error");
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61 end
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62 end
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63 end
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64
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65 function stream:reset()
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66 if self.stream then
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67 self.stream:reset();
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68 else
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69 self.stream = new_xmpp_stream(self, stream_callbacks);
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70 end
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71 self.notopen = true;
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72 return true;
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73 end
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74
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75 function stream:connect_client(jid, pass, client_key, server_key)
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76 self.jid, self.password = jid, pass;
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77 self.client_key, self.server_key = client_key, server_key;
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78 self.username, self.host, self.resource = jid_split(jid);
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79
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80 -- Required XMPP features
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81 self:add_plugin("tls");
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82 self:add_plugin("sasl");
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83 self:add_plugin("bind");
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84 self:add_plugin("session");
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85
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86 function self.data(conn, data)
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87 local ok, err = self.stream:feed(data);
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88 if ok then return; end
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89 self:debug("Received invalid XML (%s) %d bytes: %s", tostring(err), #data, data:sub(1, 300):gsub("[\r\n]+", " "));
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90 self:close("xml-not-well-formed");
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91 end
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92
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93 self:hook("connected", function () self:reopen(); end);
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94 self:hook("incoming-raw", function (data) return self.data(self.conn, data); end);
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95 self:hook("read-timeout", function () self:send(" "); return true; end, -1);
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96
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97 self.curr_id = 0;
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98
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99 self.tracked_iqs = {};
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100 self:hook("stanza", function (stanza)
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101 local id, type = stanza.attr.id, stanza.attr.type;
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102 if id and stanza.name == "iq" and (type == "result" or type == "error") and self.tracked_iqs[id] then
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103 self.tracked_iqs[id](stanza);
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104 self.tracked_iqs[id] = nil;
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105 return true;
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106 end
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107 end);
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108
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109 self:hook("stanza", function (stanza)
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110 local ret;
37
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111 if stanza.attr.xmlns == nil or stanza.attr.xmlns == "jabber:client" then
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112 if stanza.name == "iq" and (stanza.attr.type == "get" or stanza.attr.type == "set") then
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113 local xmlns = stanza.tags[1] and stanza.tags[1].attr.xmlns;
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114 if xmlns then
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115 ret = self:event("iq/"..xmlns, stanza);
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116 if not ret then
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117 ret = self:event("iq", stanza);
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118 end
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119 end
81
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120 if ret == nil then
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121 self:send(verse.error_reply(stanza, "cancel", "service-unavailable"));
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diff changeset
122 return true;
0924a3d05e40 Bounce service-unavailable on unhandled iq stanzas (thanks Kev, Florob and anyone else who poked me)
Matthew Wild <mwild1@gmail.com>
parents: 78
diff changeset
123 end
37
0ccd523e110a verse.client: Don't hook the stanza event every time a stanza comes in :)
Matthew Wild <mwild1@gmail.com>
parents: 30
diff changeset
124 else
0ccd523e110a verse.client: Don't hook the stanza event every time a stanza comes in :)
Matthew Wild <mwild1@gmail.com>
parents: 30
diff changeset
125 ret = self:event(stanza.name, stanza);
0ccd523e110a verse.client: Don't hook the stanza event every time a stanza comes in :)
Matthew Wild <mwild1@gmail.com>
parents: 30
diff changeset
126 end
0ccd523e110a verse.client: Don't hook the stanza event every time a stanza comes in :)
Matthew Wild <mwild1@gmail.com>
parents: 30
diff changeset
127 end
0ccd523e110a verse.client: Don't hook the stanza event every time a stanza comes in :)
Matthew Wild <mwild1@gmail.com>
parents: 30
diff changeset
128 return ret;
0ccd523e110a verse.client: Don't hook the stanza event every time a stanza comes in :)
Matthew Wild <mwild1@gmail.com>
parents: 30
diff changeset
129 end, -1);
0ccd523e110a verse.client: Don't hook the stanza event every time a stanza comes in :)
Matthew Wild <mwild1@gmail.com>
parents: 30
diff changeset
130
166
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
131 self:hook("outgoing", function (data)
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
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parents: 161
diff changeset
132 if data.name then
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
133 self:event("stanza-out", data);
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
134 end
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
135 end);
411
db462d4feb44 verse: trim trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 400
diff changeset
136
166
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
137 self:hook("stanza-out", function (stanza)
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
138 if not stanza.attr.xmlns then
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
139 self:event(stanza.name.."-out", stanza);
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
140 end
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
141 end);
411
db462d4feb44 verse: trim trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 400
diff changeset
142
76
927167321283 verse.client: Fire 'ready' event on stream when resource binding or session negotiation is complete, hook this instead of binding-success
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
143 local function stream_ready()
927167321283 verse.client: Fire 'ready' event on stream when resource binding or session negotiation is complete, hook this instead of binding-success
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
144 self:event("ready");
927167321283 verse.client: Fire 'ready' event on stream when resource binding or session negotiation is complete, hook this instead of binding-success
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
145 end
927167321283 verse.client: Fire 'ready' event on stream when resource binding or session negotiation is complete, hook this instead of binding-success
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
146 self:hook("session-success", stream_ready, -1)
78
f4188eff53a7 verse.client, verse.plugins.bind, verse.plugins.session: Rename binding-success and binding-failure to bind-success and bind-failure for consistency
Matthew Wild <mwild1@gmail.com>
parents: 76
diff changeset
147 self:hook("bind-success", stream_ready, -1);
76
927167321283 verse.client: Fire 'ready' event on stream when resource binding or session negotiation is complete, hook this instead of binding-success
Matthew Wild <mwild1@gmail.com>
parents: 70
diff changeset
148
97
ad6006779416 verse.client: Update stream:close() to use base stream:close(), and not add an XMPP-specific :close() to the base stream
Matthew Wild <mwild1@gmail.com>
parents: 83
diff changeset
149 local _base_close = self.close;
ad6006779416 verse.client: Update stream:close() to use base stream:close(), and not add an XMPP-specific :close() to the base stream
Matthew Wild <mwild1@gmail.com>
parents: 83
diff changeset
150 function self:close(reason)
323
5bf3b13edb80 verse.client: Try to behave better when stream is closed gracefully
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
151 self.close = _base_close;
329
2787e038bea2 verse.client: Use a different flag to indicate that our outgoing stream is closed
Kim Alvefur <zash@zash.se>
parents: 323
diff changeset
152 if not self.closed then
97
ad6006779416 verse.client: Update stream:close() to use base stream:close(), and not add an XMPP-specific :close() to the base stream
Matthew Wild <mwild1@gmail.com>
parents: 83
diff changeset
153 self:send("</stream:stream>");
329
2787e038bea2 verse.client: Use a different flag to indicate that our outgoing stream is closed
Kim Alvefur <zash@zash.se>
parents: 323
diff changeset
154 self.closed = true;
323
5bf3b13edb80 verse.client: Try to behave better when stream is closed gracefully
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
155 else
5bf3b13edb80 verse.client: Try to behave better when stream is closed gracefully
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
156 return self:close(reason);
97
ad6006779416 verse.client: Update stream:close() to use base stream:close(), and not add an XMPP-specific :close() to the base stream
Matthew Wild <mwild1@gmail.com>
parents: 83
diff changeset
157 end
ad6006779416 verse.client: Update stream:close() to use base stream:close(), and not add an XMPP-specific :close() to the base stream
Matthew Wild <mwild1@gmail.com>
parents: 83
diff changeset
158 end
411
db462d4feb44 verse: trim trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 400
diff changeset
159
137
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
160 local function start_connect()
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
161 -- Initialise connection
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
162 self:connect(self.connect_host or self.host, self.connect_port or 5222);
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
163 end
411
db462d4feb44 verse: trim trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 400
diff changeset
164
137
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
165 if not (self.connect_host or self.connect_port) then
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
166 -- Look up SRV records
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
167 adns.lookup(function (answer)
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
168 if answer then
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
169 local srv_hosts = {};
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
170 self.srv_hosts = srv_hosts;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
171 for _, record in ipairs(answer) do
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
172 table.insert(srv_hosts, record.srv);
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
173 end
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
174 table.sort(srv_hosts, compare_srv_priorities);
411
db462d4feb44 verse: trim trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 400
diff changeset
175
137
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
176 local srv_choice = srv_hosts[1];
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
177 self.srv_choice = 1;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
178 if srv_choice then
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
179 self.connect_host, self.connect_port = srv_choice.target, srv_choice.port;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
180 self:debug("Best record found, will connect to %s:%d", self.connect_host or self.host, self.connect_port or 5222);
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
181 end
411
db462d4feb44 verse: trim trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 400
diff changeset
182
137
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
183 self:hook("disconnected", function ()
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
184 if self.srv_hosts and self.srv_choice < #self.srv_hosts then
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
185 self.srv_choice = self.srv_choice + 1;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
186 local srv_choice = srv_hosts[self.srv_choice];
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
187 self.connect_host, self.connect_port = srv_choice.target, srv_choice.port;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
188 start_connect();
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
189 return true;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
190 end
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
191 end, 1000);
411
db462d4feb44 verse: trim trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 400
diff changeset
192
137
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
193 self:hook("connected", function ()
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
194 self.srv_hosts = nil;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
195 end, 1000);
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
196 end
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
197 start_connect();
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
198 end, "_xmpp-client._tcp."..(self.host)..".", "SRV");
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
199 else
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
200 start_connect();
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
201 end
1
7c8d0a2fc004 Break client-specific code into verse.client module
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
202 end
7c8d0a2fc004 Break client-specific code into verse.client module
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
203
11
ce349990bd21 verse.client: Add stream:reopen()
Matthew Wild <mwild1@gmail.com>
parents: 10
diff changeset
204 function stream:reopen()
70
36d113fb0f3c verse.client: Add stream:reset(), keep self.data static between resets
Matthew Wild <mwild1@gmail.com>
parents: 62
diff changeset
205 self:reset();
49
9c10ff584e87 verse.client: Add missing version to stream header (thanks Bill Clark)
Matthew Wild <mwild1@gmail.com>
parents: 48
diff changeset
206 self:send(st.stanza("stream:stream", { to = self.host, ["xmlns:stream"]='http://etherx.jabber.org/streams',
9c10ff584e87 verse.client: Add missing version to stream header (thanks Bill Clark)
Matthew Wild <mwild1@gmail.com>
parents: 48
diff changeset
207 xmlns = "jabber:client", version = "1.0" }):top_tag());
11
ce349990bd21 verse.client: Add stream:reopen()
Matthew Wild <mwild1@gmail.com>
parents: 10
diff changeset
208 end
ce349990bd21 verse.client: Add stream:reopen()
Matthew Wild <mwild1@gmail.com>
parents: 10
diff changeset
209
13
c3d83b98fb4f verse.client: Add stream:send_iq() and stream:new_id() for sending iqs with response handlers, and for generating stream-unique ids respectively
Matthew Wild <mwild1@gmail.com>
parents: 12
diff changeset
210 function stream:send_iq(iq, callback)
c3d83b98fb4f verse.client: Add stream:send_iq() and stream:new_id() for sending iqs with response handlers, and for generating stream-unique ids respectively
Matthew Wild <mwild1@gmail.com>
parents: 12
diff changeset
211 local id = self:new_id();
c3d83b98fb4f verse.client: Add stream:send_iq() and stream:new_id() for sending iqs with response handlers, and for generating stream-unique ids respectively
Matthew Wild <mwild1@gmail.com>
parents: 12
diff changeset
212 self.tracked_iqs[id] = callback;
c3d83b98fb4f verse.client: Add stream:send_iq() and stream:new_id() for sending iqs with response handlers, and for generating stream-unique ids respectively
Matthew Wild <mwild1@gmail.com>
parents: 12
diff changeset
213 iq.attr.id = id;
c3d83b98fb4f verse.client: Add stream:send_iq() and stream:new_id() for sending iqs with response handlers, and for generating stream-unique ids respectively
Matthew Wild <mwild1@gmail.com>
parents: 12
diff changeset
214 self:send(iq);
c3d83b98fb4f verse.client: Add stream:send_iq() and stream:new_id() for sending iqs with response handlers, and for generating stream-unique ids respectively
Matthew Wild <mwild1@gmail.com>
parents: 12
diff changeset
215 end
c3d83b98fb4f verse.client: Add stream:send_iq() and stream:new_id() for sending iqs with response handlers, and for generating stream-unique ids respectively
Matthew Wild <mwild1@gmail.com>
parents: 12
diff changeset
216
c3d83b98fb4f verse.client: Add stream:send_iq() and stream:new_id() for sending iqs with response handlers, and for generating stream-unique ids respectively
Matthew Wild <mwild1@gmail.com>
parents: 12
diff changeset
217 function stream:new_id()
c3d83b98fb4f verse.client: Add stream:send_iq() and stream:new_id() for sending iqs with response handlers, and for generating stream-unique ids respectively
Matthew Wild <mwild1@gmail.com>
parents: 12
diff changeset
218 self.curr_id = self.curr_id + 1;
c3d83b98fb4f verse.client: Add stream:send_iq() and stream:new_id() for sending iqs with response handlers, and for generating stream-unique ids respectively
Matthew Wild <mwild1@gmail.com>
parents: 12
diff changeset
219 return tostring(self.curr_id);
c3d83b98fb4f verse.client: Add stream:send_iq() and stream:new_id() for sending iqs with response handlers, and for generating stream-unique ids respectively
Matthew Wild <mwild1@gmail.com>
parents: 12
diff changeset
220 end