Software / code / prosody
Annotate
core/stanza_router.lua @ 1230:53555f58586f
stanza_router: Fix syntax errors
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Fri, 29 May 2009 22:11:44 +0100 |
| parent | 1228:853d3d76ba94 |
| child | 1244:3df7417225fe |
| rev | line source |
|---|---|
| 896 | 1 -- Prosody IM v0.4 |
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2 -- Copyright (C) 2008-2009 Matthew Wild |
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3 -- Copyright (C) 2008-2009 Waqas Hussain |
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4 -- |
| 758 | 5 -- This project is MIT/X11 licensed. Please see the |
| 6 -- COPYING file in the source package for more information. | |
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7 -- |
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8 |
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9 |
| 30 | 10 |
| 11 local log = require "util.logger".init("stanzarouter") | |
| 12 | |
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13 local hosts = _G.hosts; |
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14 |
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15 local st = require "util.stanza"; |
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16 local send_s2s = require "core.s2smanager".send_to_host; |
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17 local user_exists = require "core.usermanager".user_exists; |
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18 |
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19 local rostermanager = require "core.rostermanager"; |
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20 local sessionmanager = require "core.sessionmanager"; |
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21 local offlinemanager = require "core.offlinemanager"; |
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22 |
| 145 | 23 local s2s_verify_dialback = require "core.s2smanager".verify_dialback; |
| 146 | 24 local s2s_make_authenticated = require "core.s2smanager".make_authenticated; |
| 191 | 25 |
| 26 local modules_handle_stanza = require "core.modulemanager".handle_stanza; | |
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27 local component_handle_stanza = require "core.componentmanager".handle_stanza; |
| 191 | 28 |
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29 local handle_outbound_presence_subscriptions_and_probes = function()end;--require "core.presencemanager".handle_outbound_presence_subscriptions_and_probes; |
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30 local handle_inbound_presence_subscriptions_and_probes = function()end;--require "core.presencemanager".handle_inbound_presence_subscriptions_and_probes; |
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31 local handle_normal_presence = function()end;--require "core.presencemanager".handle_normal_presence; |
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32 |
| 145 | 33 local format = string.format; |
| 34 local tostring = tostring; | |
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35 local t_concat = table.concat; |
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36 local t_insert = table.insert; |
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37 local tonumber = tonumber; |
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38 local s_find = string.find; |
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39 local pairs = pairs; |
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40 local ipairs = ipairs; |
| 145 | 41 |
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42 local jid_split = require "util.jid".split; |
| 718 | 43 local jid_prepped_split = require "util.jid".prepped_split; |
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44 local print = print; |
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45 local fire_event = require "core.eventmanager2".fire_event; |
| 30 | 46 |
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47 local select_best_resources; |
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48 |
| 30 | 49 function core_process_stanza(origin, stanza) |
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50 (origin.log or log)("debug", "Received[%s]: %s", origin.type, stanza:top_tag()) |
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51 |
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52 -- Currently we guarantee every stanza to have an xmlns, should we keep this rule? |
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53 if not stanza.attr.xmlns then stanza.attr.xmlns = "jabber:client"; end |
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54 |
| 73 | 55 -- TODO verify validity of stanza (as well as JID validity) |
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56 if stanza.attr.type == "error" and #stanza.tags == 0 then return; end -- TODO invalid stanza, log |
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57 if stanza.name == "iq" then |
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58 if (stanza.attr.type == "set" or stanza.attr.type == "get") and #stanza.tags ~= 1 then |
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59 origin.send(st.error_reply(stanza, "modify", "bad-request")); |
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60 return; |
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61 end |
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62 end |
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63 |
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64 if origin.type == "c2s" and not origin.full_jid |
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65 and not(stanza.name == "iq" and stanza.tags[1].name == "bind" |
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66 and stanza.tags[1].attr.xmlns == "urn:ietf:params:xml:ns:xmpp-bind") then |
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67 error("Client MUST bind resource after auth"); |
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68 end |
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69 |
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70 -- TODO also, stanzas should be returned to their original state before the function ends |
| 145 | 71 if origin.type == "c2s" then |
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72 stanza.attr.from = origin.full_jid; |
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73 end |
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74 local to, xmlns = stanza.attr.to, stanza.attr.xmlns; |
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75 local from = stanza.attr.from; |
| 718 | 76 local node, host, resource; |
| 77 local from_node, from_host, from_resource; | |
| 78 local to_bare, from_bare; | |
| 79 if to then | |
| 80 node, host, resource = jid_prepped_split(to); | |
| 81 if not host then | |
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82 log("warn", "Received stanza with invalid destination JID: %s", to); |
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83 origin.send(st.error_reply(stanza, "modify", "jid-malformed", "The destination address is invalid: "..to)); |
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84 return; |
| 718 | 85 end |
| 86 to_bare = node and (node.."@"..host) or host; -- bare JID | |
| 87 if resource then to = to_bare.."/"..resource; else to = to_bare; end | |
| 88 stanza.attr.to = to; | |
| 89 end | |
| 90 if from then | |
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91 -- We only stamp the 'from' on c2s stanzas, so we still need to check validity |
| 718 | 92 from_node, from_host, from_resource = jid_prepped_split(from); |
| 93 if not from_host then | |
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94 log("warn", "Received stanza with invalid source JID: %s", from); |
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95 origin.send(st.error_reply(stanza, "modify", "jid-malformed", "The source address is invalid: "..from)); |
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96 return; |
| 718 | 97 end |
| 98 from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID | |
| 99 if from_resource then from = from_bare.."/"..from_resource; else from = from_bare; end | |
| 100 stanza.attr.from = from; | |
| 101 end | |
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102 |
| 213 | 103 --[[if to and not(hosts[to]) and not(hosts[to_bare]) and (hosts[host] and hosts[host].type ~= "local") then -- not for us? |
| 104 log("warn", "stanza recieved for a non-local server"); | |
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105 return; -- FIXME what should we do here? |
| 213 | 106 end]] -- FIXME |
| 207 | 107 |
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108 if (origin.type == "s2sin" or origin.type == "c2s" or origin.type == "component") and xmlns == "jabber:client" then |
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109 if origin.type == "s2sin" and not origin.dummy then |
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110 local host_status = origin.hosts[from_host]; |
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111 if not host_status or not host_status.authed then -- remote server trying to impersonate some other server? |
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112 log("warn", "Received a stanza claiming to be from %s, over a stream authed for %s!", from_host, origin.from_host); |
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113 return; -- FIXME what should we do here? does this work with subdomains? |
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114 end |
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115 end |
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116 core_post_stanza(origin, stanza); |
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117 else |
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118 modules_handle_stanza(host or origin.host or origin.to_host, origin, stanza); |
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119 end |
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120 end |
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121 |
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122 function core_post_stanza(origin, stanza) |
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123 local to = stanza.attr.to; |
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124 local node, host, resource = jid_split(to); |
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125 local to_bare = node and (node.."@"..host) or host; -- bare JID |
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126 |
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127 local to_type; |
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128 if node then |
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129 if resource then |
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130 to_type = '/full'; |
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131 else |
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132 to_type = '/bare'; |
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133 end |
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134 else |
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135 if host then |
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136 to_type = '/host'; |
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137 else |
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138 to_type = '/bare'; |
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139 end |
|
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140 end |
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141 |
|
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142 local event_data = {origin=origin, stanza=stanza}; |
|
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143 if origin.full_jid then -- c2s connection |
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144 if hosts[origin.host].events.fire_event('pre-'..stanza.name..to_type, event_data) then return; end -- do preprocessing |
|
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145 end |
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146 local h = hosts[to_bare] or hosts[host or origin.host]; |
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147 if h then |
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148 if h.type == "component" then |
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149 component_handle_stanza(origin, stanza); |
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150 return; |
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151 else |
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152 if h.events.fire_event(stanza.name..to_type, event_data) then return; end -- do processing |
|
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153 end |
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154 else -- non-local recipient |
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155 core_route_stanza(origin, stanza); |
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156 return; |
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157 end |
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158 |
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159 if host and fire_event(host.."/"..stanza.name, event_data) then |
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160 -- event handled |
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161 elseif stanza.name == "presence" and origin.host and fire_event(origin.host.."/"..stanza.name, event_data) then |
|
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162 -- event handled |
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163 elseif not to then |
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164 modules_handle_stanza(host or origin.host or origin.to_host, origin, stanza); |
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165 elseif hosts[to] and hosts[to].type == "local" then -- directed at a local server |
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166 modules_handle_stanza(host or origin.host or origin.to_host, origin, stanza); |
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167 elseif hosts[to_bare] and hosts[to_bare].type == "component" then -- hack to allow components to handle node@server |
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168 component_handle_stanza(origin, stanza); |
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169 elseif hosts[host] and hosts[host].type == "component" then -- directed at a component |
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170 component_handle_stanza(origin, stanza); |
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171 elseif hosts[host] and hosts[host].type == "local" and stanza.name == "iq" and not resource then -- directed at bare JID |
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172 modules_handle_stanza(host or origin.host or origin.to_host, origin, stanza); |
| 145 | 173 else |
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174 core_route_stanza(origin, stanza); |
|
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|
175 end |
| 30 | 176 end |
| 177 | |
| 178 function core_route_stanza(origin, stanza) | |
| 179 -- Hooks | |
|
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180 --- ...later |
| 207 | 181 |
| 30 | 182 -- Deliver |
|
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183 local to = stanza.attr.to; |
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184 local node, host, resource = jid_split(to); |
| 170 | 185 local to_bare = node and (node.."@"..host) or host; -- bare JID |
| 186 local from = stanza.attr.from; | |
| 187 local from_node, from_host, from_resource = jid_split(from); | |
| 188 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID | |
|
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189 |
|
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diff
changeset
|
190 -- Auto-detect origin if not specified |
|
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191 origin = origin or hosts[from_host]; |
|
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diff
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|
192 if not origin then return false; end |
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diff
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|
193 |
|
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|
194 if hosts[to_bare] and hosts[to_bare].type == "component" then -- hack to allow components to handle node@server |
|
781
191b9f0e5485
Fixed: Some presence stanzas from local users were not being routed correctly to components (ghosts in mod_muc)
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diff
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|
195 return component_handle_stanza(origin, stanza); |
|
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196 elseif hosts[host] and hosts[host].type == "component" then -- directed at a component |
|
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Fixed: Some presence stanzas from local users were not being routed correctly to components (ghosts in mod_muc)
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diff
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|
197 return component_handle_stanza(origin, stanza); |
|
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diff
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|
198 end |
|
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Fixed: Some presence stanzas from local users were not being routed correctly to components (ghosts in mod_muc)
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parents:
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diff
changeset
|
199 |
|
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Fixed: Issue with presence error routing
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parents:
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diff
changeset
|
200 if stanza.name == "presence" and (stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error") then resource = nil; end |
|
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|
201 |
|
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diff
changeset
|
202 local host_session = hosts[host] |
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203 if host_session and host_session.type == "local" then |
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diff
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|
204 -- Local host |
|
71
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diff
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|
205 local user = host_session.sessions[node]; |
|
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diff
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|
206 if user then |
| 72 | 207 local res = user.sessions[resource]; |
|
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|
208 if res then -- resource is online... |
|
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diff
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|
209 res.send(stanza); -- Yay \o/ |
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|
210 else |
|
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diff
changeset
|
211 -- if we get here, resource was not specified or was unavailable |
|
106
f2a3d204a76a
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105
diff
changeset
|
212 if stanza.name == "presence" then |
|
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Fixed: Issue with presence error routing
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diff
changeset
|
213 if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then |
|
321
31fe15ce6fac
Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
274
diff
changeset
|
214 handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); |
|
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diff
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|
215 elseif not resource then -- sender is available or unavailable or error |
|
200
5e8b3cce798f
Priority based message routing, etc
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parents:
199
diff
changeset
|
216 for _, session in pairs(user.sessions) do -- presence broadcast to all user resources. |
|
5e8b3cce798f
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199
diff
changeset
|
217 if session.full_jid then -- FIXME should this be just for available resources? Do we need to check subscription? |
|
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199
diff
changeset
|
218 stanza.attr.to = session.full_jid; -- reset at the end of function |
|
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199
diff
changeset
|
219 session.send(stanza); |
|
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diff
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|
220 end |
|
106
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Added: presence broadcast
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diff
changeset
|
221 end |
|
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Added: presence broadcast
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diff
changeset
|
222 end |
|
113
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Working presence, presence probes and other fixes
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diff
changeset
|
223 elseif stanza.name == "message" then -- select a resource to recieve message |
|
784
1de8a32f81e9
Change the to attribute of messages to the recipients' bare JID when the recipient/resource is offline.
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
224 stanza.attr.to = to_bare; |
|
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Change the to attribute of messages to the recipients' bare JID when the recipient/resource is offline.
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diff
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|
225 if stanza.attr.type == 'headline' then |
|
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defb0119f80f
Stanza router: Message to bare JID fixes
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diff
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|
226 for _, session in pairs(user.sessions) do -- find resource with greatest priority |
|
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|
227 if session.presence and session.priority >= 0 then |
|
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|
228 session.send(stanza); |
|
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|
229 end |
|
106
f2a3d204a76a
Added: presence broadcast
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105
diff
changeset
|
230 end |
|
848
b1f3977fd140
core.stanza_router: Reply with error to groupchat messages directed at unavailable resources or offline users
Matthew Wild <mwild1@gmail.com>
parents:
789
diff
changeset
|
231 elseif resource and stanza.attr.type == 'groupchat' then |
|
b1f3977fd140
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diff
changeset
|
232 -- Groupchat message sent to offline resource |
|
b1f3977fd140
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parents:
789
diff
changeset
|
233 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
|
783
defb0119f80f
Stanza router: Message to bare JID fixes
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781
diff
changeset
|
234 else |
|
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diff
changeset
|
235 local count = 0; |
|
1212
3be23cf5a659
stanza_router: Break off resource selection for messages into a standalone function
Matthew Wild <mwild1@gmail.com>
parents:
1191
diff
changeset
|
236 for _, session in ipairs(select_best_resources(user)) do |
|
783
defb0119f80f
Stanza router: Message to bare JID fixes
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parents:
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diff
changeset
|
237 session.send(stanza); |
|
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Stanza router: Message to bare JID fixes
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diff
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|
238 count = count + 1; |
|
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Stanza router: Message to bare JID fixes
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diff
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|
239 end |
|
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781
diff
changeset
|
240 if count == 0 and (stanza.attr.type == "chat" or stanza.attr.type == "normal" or not stanza.attr.type) then |
|
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Stanza router: Message to bare JID fixes
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parents:
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diff
changeset
|
241 offlinemanager.store(node, host, stanza); |
|
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diff
changeset
|
242 -- TODO deal with storage errors |
|
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diff
changeset
|
243 end |
|
200
5e8b3cce798f
Priority based message routing, etc
Waqas Hussain <waqas20@gmail.com>
parents:
199
diff
changeset
|
244 end |
|
967
b021403c5d80
Fixed: Send correct error reply for IQs directed at unavailable resources
Waqas Hussain <waqas20@gmail.com>
parents:
966
diff
changeset
|
245 elseif stanza.attr.type == "get" or stanza.attr.type == "set" then |
|
b021403c5d80
Fixed: Send correct error reply for IQs directed at unavailable resources
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parents:
966
diff
changeset
|
246 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
|
71
fbb4ef1da82e
Added: Local stanza routing
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parents:
68
diff
changeset
|
247 end |
|
106
f2a3d204a76a
Added: presence broadcast
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parents:
105
diff
changeset
|
248 end |
|
71
fbb4ef1da82e
Added: Local stanza routing
Waqas Hussain <waqas20@gmail.com>
parents:
68
diff
changeset
|
249 else |
|
113
9026fdad1531
Working presence, presence probes and other fixes
Waqas Hussain <waqas20@gmail.com>
parents:
106
diff
changeset
|
250 -- user not online |
|
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Working presence, presence probes and other fixes
Waqas Hussain <waqas20@gmail.com>
parents:
106
diff
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251 if user_exists(node, host) then |
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252 if stanza.name == "presence" then |
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253 if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then |
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254 handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); |
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255 else |
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256 -- TODO send unavailable presence or unsubscribed |
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257 end |
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258 elseif stanza.name == "message" then -- FIXME if full jid, then send out to resources with highest priority |
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259 stanza.attr.to = to_bare; -- TODO not in RFC, but seems obvious. Should discuss on the mailing list. |
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249
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260 if stanza.attr.type == "chat" or stanza.attr.type == "normal" or not stanza.attr.type then |
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261 offlinemanager.store(node, host, stanza); |
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262 -- FIXME don't store messages with only chat state notifications |
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263 elseif stanza.attr.type == "groupchat" then |
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264 local reply = st.error_reply(stanza, "cancel", "service-unavailable"); |
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265 reply.attr.from = to; |
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266 origin.send(reply); |
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267 end |
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268 -- TODO allow configuration of offline storage |
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269 -- TODO send error if not storing offline |
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270 elseif stanza.name == "iq" and (stanza.attr.type == "get" or stanza.attr.type == "set") then |
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271 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
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272 end |
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273 else -- user does not exist |
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274 -- TODO we would get here for nodeless JIDs too. Do something fun maybe? Echo service? Let plugins use xmpp:server/resource addresses? |
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275 if stanza.name == "presence" then |
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276 local t = stanza.attr.type; |
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277 if t == "subscribe" or t == "probe" then |
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278 origin.send(st.presence({from = to_bare, to = from_bare, type = "unsubscribed"})); |
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279 end |
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280 -- else ignore |
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281 elseif stanza.attr.type ~= "error" and (stanza.name ~= "iq" or stanza.attr.type ~= "result") then |
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282 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
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283 end |
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284 end |
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285 end |
| 148 | 286 elseif origin.type == "c2s" then |
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287 -- Remote host |
| 170 | 288 local xmlns = stanza.attr.xmlns; |
| 148 | 289 --stanza.attr.xmlns = "jabber:server"; |
| 290 stanza.attr.xmlns = nil; | |
| 146 | 291 log("debug", "sending s2s stanza: %s", tostring(stanza)); |
| 170 | 292 send_s2s(origin.host, host, stanza); -- TODO handle remote routing errors |
| 293 stanza.attr.xmlns = xmlns; -- reset | |
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294 elseif origin.type == "component" or origin.type == "local" then |
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295 -- Route via s2s for components and modules |
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296 log("debug", "Routing outgoing stanza for %s to %s", origin.host, host); |
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297 send_s2s(origin.host, host, stanza); |
| 148 | 298 else |
| 299 log("warn", "received stanza from unhandled connection type: %s", origin.type); | |
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300 end |
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301 stanza.attr.to = to; -- reset |
| 30 | 302 end |
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303 |
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304 function select_best_resources(user) |
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305 local priority = 0; |
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306 local recipients = {}; |
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307 for _, session in pairs(user.sessions) do -- find resource with greatest priority |
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308 if session.presence then |
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309 local p = session.priority; |
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310 if p > priority then |
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311 priority = p; |
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312 recipients = {session}; |
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313 elseif p == priority then |
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314 t_insert(recipients, session); |
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315 end |
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316 end |
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317 end |
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318 return recipients; |
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319 end |
