Software / code / verse
Annotate
component.lua @ 410:6171ef2a4025
component: Import sha1 via util.hashes
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Fri, 07 Apr 2017 19:39:59 +0200 |
| parent | 400:0db9cb909cf1 |
| child | 411:db462d4feb44 |
| rev | line source |
|---|---|
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1 local verse = require "verse"; |
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2 local stream = verse.stream_mt; |
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3 |
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4 local jid_split = require "util.jid".split; |
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5 local lxp = require "lxp"; |
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6 local st = require "util.stanza"; |
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7 local sha1 = require "util.hashes".sha1; |
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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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14 |
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15 local xmlns_stream = "http://etherx.jabber.org/streams"; |
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16 local xmlns_component = "jabber:component:accept"; |
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17 |
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18 local stream_callbacks = { |
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19 stream_ns = xmlns_stream, |
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20 stream_tag = "stream", |
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21 default_ns = xmlns_component }; |
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22 |
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23 function stream_callbacks.streamopened(stream, attr) |
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24 stream.stream_id = attr.id; |
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25 if not stream:event("opened", attr) then |
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26 stream.notopen = nil; |
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27 end |
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28 return true; |
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29 end |
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30 |
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31 function stream_callbacks.streamclosed(stream) |
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32 return stream:event("closed"); |
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33 end |
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34 |
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35 function stream_callbacks.handlestanza(stream, stanza) |
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36 if stanza.attr.xmlns == xmlns_stream then |
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37 return stream:event("stream-"..stanza.name, stanza); |
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38 elseif stanza.attr.xmlns or stanza.name == "handshake" then |
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39 return stream:event("stream/"..(stanza.attr.xmlns or xmlns_component), stanza); |
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40 end |
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41 |
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42 return stream:event("stanza", stanza); |
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43 end |
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44 |
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45 function stream:reset() |
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46 if self.stream then |
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47 self.stream:reset(); |
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48 else |
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49 self.stream = new_xmpp_stream(self, stream_callbacks); |
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50 end |
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51 self.notopen = true; |
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52 return true; |
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53 end |
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54 |
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55 function stream:connect_component(jid, pass) |
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56 self.jid, self.password = jid, pass; |
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57 self.username, self.host, self.resource = jid_split(jid); |
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58 |
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59 function self.data(conn, data) |
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60 local ok, err = self.stream:feed(data); |
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61 if ok then return; end |
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62 stream:debug("Received invalid XML (%s) %d bytes: %s", tostring(err), #data, data:sub(1, 300):gsub("[\r\n]+", " ")); |
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63 stream:close("xml-not-well-formed"); |
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64 end |
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65 |
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66 self:hook("incoming-raw", function (data) return self.data(self.conn, data); end); |
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67 |
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68 self.curr_id = 0; |
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69 |
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70 self.tracked_iqs = {}; |
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71 self:hook("stanza", function (stanza) |
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72 local id, type = stanza.attr.id, stanza.attr.type; |
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73 if id and stanza.name == "iq" and (type == "result" or type == "error") and self.tracked_iqs[id] then |
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74 self.tracked_iqs[id](stanza); |
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75 self.tracked_iqs[id] = nil; |
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76 return true; |
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77 end |
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78 end); |
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79 |
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80 self:hook("stanza", function (stanza) |
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81 local ret; |
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82 if stanza.attr.xmlns == nil or stanza.attr.xmlns == "jabber:client" then |
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83 if stanza.name == "iq" and (stanza.attr.type == "get" or stanza.attr.type == "set") then |
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84 local xmlns = stanza.tags[1] and stanza.tags[1].attr.xmlns; |
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85 if xmlns then |
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86 ret = self:event("iq/"..xmlns, stanza); |
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87 if not ret then |
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88 ret = self:event("iq", stanza); |
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89 end |
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90 end |
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91 if ret == nil then |
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92 self:send(verse.error_reply(stanza, "cancel", "service-unavailable")); |
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93 return true; |
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94 end |
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95 else |
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96 ret = self:event(stanza.name, stanza); |
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97 end |
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98 end |
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99 return ret; |
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100 end, -1); |
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101 |
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102 self:hook("opened", function (attr) |
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103 print(self.jid, self.stream_id, attr.id); |
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104 local token = sha1(self.stream_id..pass, true); |
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105 |
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106 self:send(st.stanza("handshake", { xmlns = xmlns_component }):text(token)); |
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107 self:hook("stream/"..xmlns_component, function (stanza) |
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108 if stanza.name == "handshake" then |
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109 self:event("authentication-success"); |
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110 end |
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111 end); |
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112 end); |
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113 |
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114 local function stream_ready() |
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115 self:event("ready"); |
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116 end |
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117 self:hook("authentication-success", stream_ready, -1); |
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118 |
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119 -- Initialise connection |
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120 self:connect(self.connect_host or self.host, self.connect_port or 5347); |
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121 self:reopen(); |
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122 end |
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123 |
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124 function stream:reopen() |
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125 self:reset(); |
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314
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126 self:send(st.stanza("stream:stream", { to = self.jid, ["xmlns:stream"]='http://etherx.jabber.org/streams', |
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127 xmlns = xmlns_component, version = "1.0" }):top_tag()); |
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128 end |
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129 |
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130 function stream:close(reason) |
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131 if not self.notopen then |
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132 self:send("</stream:stream>"); |
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133 end |
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134 local on_disconnect = self.conn.disconnect(); |
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135 self.conn:close(); |
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136 on_disconnect(conn, reason); |
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137 end |
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138 |
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139 function stream:send_iq(iq, callback) |
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140 local id = self:new_id(); |
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141 self.tracked_iqs[id] = callback; |
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142 iq.attr.id = id; |
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143 self:send(iq); |
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144 end |
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145 |
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146 function stream:new_id() |
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147 self.curr_id = self.curr_id + 1; |
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148 return tostring(self.curr_id); |
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149 end |
