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core/stanza_router.lua @ 1054:084d265b37cf
Merge with 0.4 branch
author | Matthew Wild <mwild1@gmail.com> |
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date | Thu, 23 Apr 2009 21:06:08 +0100 |
parent | 1043:ad87f555b484 |
child | 1142:0e02b3301e80 |
rev | line source |
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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; |
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46 local function checked_error_reply(origin, stanza) |
718 | 47 if (stanza.attr.xmlns == "jabber:client" or stanza.attr.xmlns == "jabber:server") and stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then |
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48 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- FIXME correct error? |
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49 end |
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50 end |
30 | 51 |
52 function core_process_stanza(origin, stanza) | |
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53 (origin.log or log)("debug", "Received[%s]: %s", origin.type, stanza:top_tag()) |
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54 |
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55 if not stanza.attr.xmlns then stanza.attr.xmlns = "jabber:client"; end -- FIXME Hack. This should be removed when we fix namespace handling. |
73 | 56 -- TODO verify validity of stanza (as well as JID validity) |
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57 if stanza.attr.xmlns == "error" and #stanza.tags == 0 then return; end -- TODO invalid stanza, log |
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58 if stanza.name == "iq" then |
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59 if (stanza.attr.type == "set" or stanza.attr.type == "get") and #stanza.tags ~= 1 then |
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60 origin.send(st.error_reply(stanza, "modify", "bad-request")); |
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61 return; |
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62 end |
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63 end |
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64 |
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65 if origin.type == "c2s" and not origin.full_jid |
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66 and not(stanza.name == "iq" and stanza.tags[1].name == "bind" |
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67 and stanza.tags[1].attr.xmlns == "urn:ietf:params:xml:ns:xmpp-bind") then |
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68 error("Client MUST bind resource after auth"); |
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69 end |
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70 |
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71 -- TODO also, stanzas should be returned to their original state before the function ends |
145 | 72 if origin.type == "c2s" then |
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73 stanza.attr.from = origin.full_jid; |
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74 end |
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75 local to, xmlns = stanza.attr.to, stanza.attr.xmlns; |
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76 local from = stanza.attr.from; |
718 | 77 local node, host, resource; |
78 local from_node, from_host, from_resource; | |
79 local to_bare, from_bare; | |
80 if to then | |
81 node, host, resource = jid_prepped_split(to); | |
82 if not host then | |
83 error("Invalid to JID"); | |
84 end | |
85 to_bare = node and (node.."@"..host) or host; -- bare JID | |
86 if resource then to = to_bare.."/"..resource; else to = to_bare; end | |
87 stanza.attr.to = to; | |
88 end | |
89 if from then | |
90 from_node, from_host, from_resource = jid_prepped_split(from); | |
91 if not from_host then | |
92 error("Invalid from JID"); | |
93 end | |
94 from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID | |
95 if from_resource then from = from_bare.."/"..from_resource; else from = from_bare; end | |
96 stanza.attr.from = from; | |
97 end | |
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98 |
213 | 99 --[[if to and not(hosts[to]) and not(hosts[to_bare]) and (hosts[host] and hosts[host].type ~= "local") then -- not for us? |
100 log("warn", "stanza recieved for a non-local server"); | |
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101 return; -- FIXME what should we do here? |
213 | 102 end]] -- FIXME |
207 | 103 |
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104 -- FIXME do stanzas not of jabber:client get handled by components? |
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105 if (origin.type == "s2sin" or origin.type == "c2s" or origin.type == "component") and (not xmlns or xmlns == "jabber:server" or xmlns == "jabber:client") then |
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106 local event_data = {origin=origin, stanza=stanza}; |
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107 fire_event(tostring(host or origin.host).."/"..stanza.name, event_data); |
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108 if origin.type == "s2sin" and not origin.dummy then |
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109 local host_status = origin.hosts[from_host]; |
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110 if not host_status or not host_status.authed then -- remote server trying to impersonate some other server? |
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111 log("warn", "Received a stanza claiming to be from %s, over a conn authed for %s!", from_host, origin.from_host); |
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112 return; -- FIXME what should we do here? does this work with subdomains? |
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113 end |
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114 end |
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115 if origin.type == "c2s" and stanza.name == "presence" and to ~= nil and not(origin.roster[to_bare] and (origin.roster[to_bare].subscription == "both" or origin.roster[to_bare].subscription == "from")) then -- directed presence |
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116 origin.directed = origin.directed or {}; |
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117 origin.directed[to] = true; |
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118 --t_insert(origin.directed, to); -- FIXME does it make more sense to add to_bare rather than to? |
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119 end |
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120 if not to then |
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121 core_handle_stanza(origin, stanza); |
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122 elseif hosts[to] and hosts[to].type == "local" then -- directed at a local server |
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123 core_handle_stanza(origin, stanza); |
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124 elseif stanza.attr.xmlns and stanza.attr.xmlns ~= "jabber:client" and stanza.attr.xmlns ~= "jabber:server" then |
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125 modules_handle_stanza(host or origin.host or origin.to_host, origin, stanza); |
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126 elseif hosts[to] and hosts[to].type == "component" then -- hack to allow components to handle node@server/resource and server/resource |
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127 component_handle_stanza(origin, stanza); |
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128 elseif hosts[to_bare] and hosts[to_bare].type == "component" then -- hack to allow components to handle node@server |
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129 component_handle_stanza(origin, stanza); |
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130 elseif hosts[host] and hosts[host].type == "component" then -- directed at a component |
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131 component_handle_stanza(origin, stanza); |
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132 elseif origin.type == "c2s" and stanza.name == "presence" and stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then |
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133 handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); |
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134 elseif hosts[host] and hosts[host].type == "local" and stanza.name == "iq" and not resource then -- directed at bare JID |
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135 core_handle_stanza(origin, stanza); |
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136 else |
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137 core_route_stanza(origin, stanza); |
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|
138 end |
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|
139 else |
212
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140 core_handle_stanza(origin, stanza); |
119
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141 end |
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|
142 end |
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|
143 |
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144 -- This function handles stanzas which are not routed any further, |
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145 -- that is, they are handled by this server |
119
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146 function core_handle_stanza(origin, stanza) |
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147 -- Handlers |
667
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148 if modules_handle_stanza(select(2, jid_split(stanza.attr.to)) or origin.host, origin, stanza) then return; end |
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149 if origin.type == "c2s" or origin.type == "s2sin" then |
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150 if origin.type == "c2s" then |
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151 if stanza.name == "presence" and origin.roster then |
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152 if stanza.attr.type == nil or stanza.attr.type == "unavailable" and stanza.attr.type ~= "error" then |
570
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153 handle_normal_presence(origin, stanza, core_route_stanza); |
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154 else |
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155 log("warn", "Unhandled c2s presence: %s", tostring(stanza)); |
715
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|
156 checked_error_reply(origin, stanza); |
570
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157 end |
113
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diff
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158 else |
570
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159 log("warn", "Unhandled c2s stanza: %s", tostring(stanza)); |
715
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160 checked_error_reply(origin, stanza); |
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161 end |
570
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162 else -- s2s stanzas |
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163 log("warn", "Unhandled s2s stanza: %s", tostring(stanza)); |
715
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diff
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164 checked_error_reply(origin, stanza); |
570
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165 end |
145 | 166 else |
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diff
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167 log("warn", "Unhandled %s stanza: %s", origin.type, tostring(stanza)); |
715
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parents:
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diff
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|
168 checked_error_reply(origin, stanza); |
71
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diff
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169 end |
30 | 170 end |
171 | |
172 function core_route_stanza(origin, stanza) | |
173 -- Hooks | |
68
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diff
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174 --- ...later |
207 | 175 |
30 | 176 -- Deliver |
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177 local to = stanza.attr.to; |
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178 local node, host, resource = jid_split(to); |
170 | 179 local to_bare = node and (node.."@"..host) or host; -- bare JID |
180 local from = stanza.attr.from; | |
181 local from_node, from_host, from_resource = jid_split(from); | |
182 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID | |
113
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183 |
372
e7c1e30d06d5
Now possible to specify nil origin to core_route_stanza. Origin will be chosen as the host of the 'from' attribute on the stanza. Returns false on no such host.
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diff
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184 -- Auto-detect origin if not specified |
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185 origin = origin or hosts[from_host]; |
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diff
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186 if not origin then return false; end |
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diff
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187 |
781
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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
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188 if hosts[to] and hosts[to].type == "component" then -- hack to allow components to handle node@server/resource and server/resource |
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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
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|
189 return component_handle_stanza(origin, stanza); |
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diff
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190 elseif hosts[to_bare] and hosts[to_bare].type == "component" then -- hack to allow components to handle node@server |
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parents:
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diff
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|
191 return component_handle_stanza(origin, stanza); |
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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
changeset
|
192 elseif hosts[host] and hosts[host].type == "component" then -- directed at a component |
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parents:
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diff
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|
193 return component_handle_stanza(origin, stanza); |
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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
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|
194 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
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|
195 |
966
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diff
changeset
|
196 if stanza.name == "presence" and (stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error") then resource = nil; end |
113
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diff
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|
197 |
68
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Beginnings of real stanza routing
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66
diff
changeset
|
198 local host_session = hosts[host] |
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|
199 if host_session and host_session.type == "local" then |
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diff
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|
200 -- Local host |
71
fbb4ef1da82e
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parents:
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diff
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|
201 local user = host_session.sessions[node]; |
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diff
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202 if user then |
72 | 203 local res = user.sessions[resource]; |
71
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diff
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|
204 if not res then |
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diff
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|
205 -- if we get here, resource was not specified or was unavailable |
106
f2a3d204a76a
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diff
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|
206 if stanza.name == "presence" then |
966
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diff
changeset
|
207 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
|
208 handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); |
966
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|
209 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
|
210 for _, session in pairs(user.sessions) do -- presence broadcast to all user resources. |
5e8b3cce798f
Priority based message routing, etc
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parents:
199
diff
changeset
|
211 if session.full_jid then -- FIXME should this be just for available resources? Do we need to check subscription? |
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parents:
199
diff
changeset
|
212 stanza.attr.to = session.full_jid; -- reset at the end of function |
5e8b3cce798f
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199
diff
changeset
|
213 session.send(stanza); |
113
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Working presence, presence probes and other fixes
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diff
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|
214 end |
106
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diff
changeset
|
215 end |
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Added: presence broadcast
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diff
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|
216 end |
113
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diff
changeset
|
217 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:
783
diff
changeset
|
218 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.
Waqas Hussain <waqas20@gmail.com>
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diff
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|
219 if stanza.attr.type == 'headline' then |
783
defb0119f80f
Stanza router: Message to bare JID fixes
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diff
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|
220 for _, session in pairs(user.sessions) do -- find resource with greatest priority |
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221 if session.presence and session.priority >= 0 then |
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|
222 session.send(stanza); |
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|
223 end |
106
f2a3d204a76a
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diff
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|
224 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
|
225 elseif resource and stanza.attr.type == 'groupchat' then |
b1f3977fd140
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diff
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|
226 -- Groupchat message sent to offline resource |
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parents:
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diff
changeset
|
227 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
783
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Stanza router: Message to bare JID fixes
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|
228 else |
defb0119f80f
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diff
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|
229 local priority = 0; |
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|
230 local recipients = {}; |
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diff
changeset
|
231 for _, session in pairs(user.sessions) do -- find resource with greatest priority |
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diff
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|
232 if session.presence then |
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|
233 local p = session.priority; |
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|
234 if p > priority then |
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diff
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|
235 priority = p; |
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diff
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|
236 recipients = {session}; |
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diff
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|
237 elseif p == priority then |
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diff
changeset
|
238 t_insert(recipients, session); |
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|
239 end |
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|
240 end |
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|
241 end |
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diff
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|
242 local count = 0; |
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diff
changeset
|
243 for _, session in ipairs(recipients) do |
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diff
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|
244 session.send(stanza); |
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diff
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|
245 count = count + 1; |
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diff
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|
246 end |
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781
diff
changeset
|
247 if count == 0 and (stanza.attr.type == "chat" or stanza.attr.type == "normal" or not stanza.attr.type) then |
defb0119f80f
Stanza router: Message to bare JID fixes
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parents:
781
diff
changeset
|
248 offlinemanager.store(node, host, stanza); |
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249 -- TODO deal with storage errors |
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|
250 end |
200
5e8b3cce798f
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199
diff
changeset
|
251 end |
967
b021403c5d80
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diff
changeset
|
252 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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diff
changeset
|
253 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
71
fbb4ef1da82e
Added: Local stanza routing
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diff
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|
254 end |
113
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Working presence, presence probes and other fixes
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diff
changeset
|
255 else |
121
74e5919e4737
Added a comment, removed all the old code
Matthew Wild <mwild1@gmail.com>
parents:
119
diff
changeset
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256 -- User + resource is online... |
170 | 257 stanza.attr.to = res.full_jid; -- reset at the end of function |
186
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258 res.send(stanza); -- Yay \o/ |
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259 end |
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260 else |
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261 -- user not online |
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262 if user_exists(node, host) then |
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263 if stanza.name == "presence" then |
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264 if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then |
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265 handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); |
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266 else |
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267 -- TODO send unavailable presence or unsubscribed |
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268 end |
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269 elseif stanza.name == "message" then -- FIXME if full jid, then send out to resources with highest priority |
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270 stanza.attr.to = to_bare; -- TODO not in RFC, but seems obvious. Should discuss on the mailing list. |
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271 if stanza.attr.type == "chat" or stanza.attr.type == "normal" or not stanza.attr.type then |
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272 offlinemanager.store(node, host, stanza); |
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273 -- FIXME don't store messages with only chat state notifications |
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274 elseif stanza.attr.type == "groupchat" then |
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275 local reply = st.error_reply(stanza, "cancel", "service-unavailable"); |
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276 reply.attr.from = to; |
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277 origin.send(reply); |
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278 end |
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279 -- TODO allow configuration of offline storage |
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280 -- TODO send error if not storing offline |
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281 elseif stanza.name == "iq" and (stanza.attr.type == "get" or stanza.attr.type == "set") 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 else -- user does not exist |
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285 -- 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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286 if stanza.name == "presence" then |
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287 local t = stanza.attr.type; |
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288 if t == "subscribe" or t == "probe" then |
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289 origin.send(st.presence({from = to_bare, to = from_bare, type = "unsubscribed"})); |
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290 end |
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291 -- else ignore |
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292 elseif stanza.attr.type ~= "error" and (stanza.name ~= "iq" or stanza.attr.type ~= "result") then |
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293 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
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294 end |
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295 end |
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296 end |
148 | 297 elseif origin.type == "c2s" then |
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298 -- Remote host |
170 | 299 local xmlns = stanza.attr.xmlns; |
148 | 300 --stanza.attr.xmlns = "jabber:server"; |
301 stanza.attr.xmlns = nil; | |
146 | 302 log("debug", "sending s2s stanza: %s", tostring(stanza)); |
170 | 303 send_s2s(origin.host, host, stanza); -- TODO handle remote routing errors |
304 stanza.attr.xmlns = xmlns; -- reset | |
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305 elseif origin.type == "component" or origin.type == "local" then |
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306 -- Route via s2s for components and modules |
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307 log("debug", "Routing outgoing stanza for %s to %s", origin.host, host); |
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308 send_s2s(origin.host, host, stanza); |
148 | 309 else |
310 log("warn", "received stanza from unhandled connection type: %s", origin.type); | |
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311 end |
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312 stanza.attr.to = to; -- reset |
30 | 313 end |