verse
d8c3e94d765d
client.lua

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client.lua @ 362:d8c3e94d765d

util.sasl.scram: Correctly verify that the server added its own nonce
author Kim Alvefur <zash@zash.se>
date Tue, 30 Sep 2014 11:59:52 +0200
parent 344:ea668c47e1bd
child 364:69fc23b44819
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
26
6c5fab6c11cf Rename verse2 -> verse
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diff changeset
1 local verse = require "verse";
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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 lxp = require "lxp";
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7 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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8
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9 -- Shortcuts to save having to load util.stanza
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10 verse.message, verse.presence, verse.iq, verse.stanza, verse.reply, verse.error_reply =
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11 st.message, st.presence, st.iq, st.stanza, st.reply, st.error_reply;
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12
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13 local new_xmpp_stream = require "util.xmppstream".new;
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15 local xmlns_stream = "http://etherx.jabber.org/streams";
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16
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17 local function compare_srv_priorities(a,b)
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18 return a.priority < b.priority or (a.priority == b.priority and a.weight > b.weight);
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19 end
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20
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21 local stream_callbacks = {
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22 stream_ns = xmlns_stream,
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23 stream_tag = "stream",
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24 default_ns = "jabber:client" };
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26 function stream_callbacks.streamopened(stream, attr)
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27 stream.stream_id = attr.id;
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28 if not stream:event("opened", attr) then
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29 stream.notopen = nil;
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30 end
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31 return true;
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32 end
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33
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34 function stream_callbacks.streamclosed(stream)
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35 stream.notopen = true;
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36 if not stream.closed then
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37 stream:send("</stream:stream>");
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38 stream.closed = true;
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39 end
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40 stream:event("closed");
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41 return stream:close("stream closed")
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42 end
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43
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44 function stream_callbacks.handlestanza(stream, stanza)
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45 if stanza.attr.xmlns == xmlns_stream then
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46 return stream:event("stream-"..stanza.name, stanza);
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47 elseif stanza.attr.xmlns then
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48 return stream:event("stream/"..stanza.attr.xmlns, stanza);
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49 end
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50
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51 return stream:event("stanza", stanza);
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52 end
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53
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54 function stream_callbacks.error(stream, e, stanza)
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55 if stream:event(e, stanza) == nil 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 end
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60 end
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61
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62 function stream:reset()
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63 if self.stream then
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64 self.stream:reset();
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65 else
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66 self.stream = new_xmpp_stream(self, stream_callbacks);
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67 end
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68 self.notopen = true;
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69 return true;
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70 end
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71
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72 function stream:connect_client(jid, pass)
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73 self.jid, self.password = jid, pass;
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74 self.username, self.host, self.resource = jid_split(jid);
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75
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76 -- Required XMPP features
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77 self:add_plugin("tls");
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78 self:add_plugin("sasl");
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79 self:add_plugin("bind");
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80 self:add_plugin("session");
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81
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82 function self.data(conn, data)
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83 local ok, err = self.stream:feed(data);
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84 if ok then return; end
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85 self:debug("debug", "Received invalid XML (%s) %d bytes: %s", tostring(err), #data, data:sub(1, 300):gsub("[\r\n]+", " "));
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86 self:close("xml-not-well-formed");
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87 end
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88
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89 self:hook("connected", function () self:reopen(); end);
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90 self:hook("incoming-raw", function (data) return self.data(self.conn, data); end);
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91
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92 self.curr_id = 0;
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93
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94 self.tracked_iqs = {};
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95 self:hook("stanza", function (stanza)
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96 local id, type = stanza.attr.id, stanza.attr.type;
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97 if id and stanza.name == "iq" and (type == "result" or type == "error") and self.tracked_iqs[id] then
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98 self.tracked_iqs[id](stanza);
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99 self.tracked_iqs[id] = nil;
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100 return true;
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101 end
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102 end);
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103
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104 self:hook("stanza", function (stanza)
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105 local ret;
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106 if stanza.attr.xmlns == nil or stanza.attr.xmlns == "jabber:client" then
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107 if stanza.name == "iq" and (stanza.attr.type == "get" or stanza.attr.type == "set") then
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108 local xmlns = stanza.tags[1] and stanza.tags[1].attr.xmlns;
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109 if xmlns then
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110 ret = self:event("iq/"..xmlns, stanza);
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111 if not ret then
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112 ret = self:event("iq", stanza);
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113 end
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114 end
81
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115 if ret == nil then
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116 self:send(verse.error_reply(stanza, "cancel", "service-unavailable"));
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117 return true;
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118 end
37
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119 else
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120 ret = self:event(stanza.name, stanza);
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121 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
122 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
123 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
124 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
125
166
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
126 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
127 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
128 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
129 end
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
130 end);
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
131
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
132 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
133 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
134 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
135 end
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
136 end);
3499b4ea3277 verse.client: Fire 'stanza-out' and {message,presence,iq}'-out' for outgoing stanzas
Matthew Wild <mwild1@gmail.com>
parents: 161
diff changeset
137
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
138 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
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parents: 70
diff changeset
139 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
140 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
141 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
142 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
143
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
144 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
145 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
146 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
147 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
148 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
149 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
150 else
5bf3b13edb80 verse.client: Try to behave better when stream is closed gracefully
Kim Alvefur <zash@zash.se>
parents: 282
diff changeset
151 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
152 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
153 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
154
137
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
155 local function start_connect()
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
156 -- Initialise connection
e4b9d3c5332c verse.client: Support for SRV record lookups
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parents: 97
diff changeset
157 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
158 end
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
159
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
160 if not (self.connect_host or self.connect_port) then
e4b9d3c5332c verse.client: Support for SRV record lookups
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parents: 97
diff changeset
161 -- Look up SRV records
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
162 adns.lookup(function (answer)
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
163 if answer then
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
164 local srv_hosts = {};
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
165 self.srv_hosts = srv_hosts;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
166 for _, record in ipairs(answer) do
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
167 table.insert(srv_hosts, record.srv);
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
168 end
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
169 table.sort(srv_hosts, compare_srv_priorities);
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
170
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
171 local srv_choice = srv_hosts[1];
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
172 self.srv_choice = 1;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
173 if srv_choice then
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
174 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
175 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
176 end
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
177
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
178 self:hook("disconnected", function ()
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
179 if self.srv_hosts and self.srv_choice < #self.srv_hosts then
e4b9d3c5332c verse.client: Support for SRV record lookups
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parents: 97
diff changeset
180 self.srv_choice = self.srv_choice + 1;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
181 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
182 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
183 start_connect();
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
184 return true;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
185 end
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
186 end, 1000);
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
187
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
188 self:hook("connected", function ()
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
189 self.srv_hosts = nil;
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
190 end, 1000);
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
191 end
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
192 start_connect();
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
193 end, "_xmpp-client._tcp."..(self.host)..".", "SRV");
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
194 else
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
195 start_connect();
e4b9d3c5332c verse.client: Support for SRV record lookups
Matthew Wild <mwild1@gmail.com>
parents: 97
diff changeset
196 end
1
7c8d0a2fc004 Break client-specific code into verse.client module
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
197 end
7c8d0a2fc004 Break client-specific code into verse.client module
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
198
11
ce349990bd21 verse.client: Add stream:reopen()
Matthew Wild <mwild1@gmail.com>
parents: 10
diff changeset
199 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
200 self:reset();
49
9c10ff584e87 verse.client: Add missing version to stream header (thanks Bill Clark)
Matthew Wild <mwild1@gmail.com>
parents: 48
diff changeset
201 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
202 xmlns = "jabber:client", version = "1.0" }):top_tag());
11
ce349990bd21 verse.client: Add stream:reopen()
Matthew Wild <mwild1@gmail.com>
parents: 10
diff changeset
203 end
ce349990bd21 verse.client: Add stream:reopen()
Matthew Wild <mwild1@gmail.com>
parents: 10
diff changeset
204
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
205 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
206 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
207 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
208 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
209 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
210 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
211
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 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
213 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
214 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
215 end