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core/stanza_router.lua @ 4089:0bcbe6c24a6e
prosody.cfg.lua: Add mod_offline to the list of modules that can be disabled, and add comments for all auto-loaded modules
author | Matthew Wild <mwild1@gmail.com> |
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date | Fri, 07 Jan 2011 05:08:09 +0000 |
parent | 3586:78ed7ad330ab |
child | 4130:c3508071af47 |
rev | line source |
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1 -- Prosody IM |
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2 -- Copyright (C) 2008-2010 Matthew Wild |
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3 -- Copyright (C) 2008-2010 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 |
30 | 9 local log = require "util.logger".init("stanzarouter") |
10 | |
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11 local hosts = _G.prosody.hosts; |
1413
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12 local tostring = tostring; |
71
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13 local st = require "util.stanza"; |
187
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14 local send_s2s = require "core.s2smanager".send_to_host; |
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15 local jid_split = require "util.jid".split; |
718 | 16 local jid_prepped_split = require "util.jid".prepped_split; |
30 | 17 |
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18 local full_sessions = _G.prosody.full_sessions; |
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19 local bare_sessions = _G.prosody.bare_sessions; |
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20 |
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modulemanager, stanza_router: Moved modulemanager.handle_stanza to stanza_router, as a local function handle_unhandled_stanza. modulemanager is no longer a dependency of stanza_router.
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21 local function handle_unhandled_stanza(host, origin, stanza) |
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22 local name, xmlns, origin_type = stanza.name, stanza.attr.xmlns or "jabber:client", origin.type; |
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23 if name == "iq" and xmlns == "jabber:client" then |
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24 if stanza.attr.type == "get" or stanza.attr.type == "set" then |
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25 xmlns = stanza.tags[1].attr.xmlns or "jabber:client"; |
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26 log("debug", "Stanza of type %s from %s has xmlns: %s", name, origin_type, xmlns); |
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27 else |
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28 log("debug", "Discarding %s from %s of type: %s", name, origin_type, stanza.attr.type); |
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29 return true; |
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30 end |
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31 end |
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32 if stanza.attr.xmlns == nil then |
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33 log("debug", "Unhandled %s stanza: %s; xmlns=%s", origin.type, stanza.name, xmlns); -- we didn't handle it |
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34 if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then |
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35 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
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36 end |
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37 elseif not((name == "features" or name == "error") and xmlns == "http://etherx.jabber.org/streams") then -- FIXME remove check once we handle S2S features |
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38 log("warn", "Unhandled %s stream element: %s; xmlns=%s: %s", origin.type, stanza.name, xmlns, tostring(stanza)); -- we didn't handle it |
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39 origin:close("unsupported-stanza-type"); |
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40 end |
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41 end |
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42 |
30 | 43 function core_process_stanza(origin, stanza) |
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44 (origin.log or log)("debug", "Received[%s]: %s", origin.type, stanza:top_tag()) |
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45 |
73 | 46 -- TODO verify validity of stanza (as well as JID validity) |
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47 if stanza.attr.type == "error" and #stanza.tags == 0 then return; end -- TODO invalid stanza, log |
924
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Fixed: stanza_router: Respond with correct stanza error on malformed stanzas
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48 if stanza.name == "iq" then |
1985
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49 if not stanza.attr.id then stanza.attr.id = ""; end -- COMPAT Jabiru doesn't send the id attribute on roster requests |
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50 if (stanza.attr.type == "set" or stanza.attr.type == "get") and (#stanza.tags ~= 1) then |
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51 origin.send(st.error_reply(stanza, "modify", "bad-request")); |
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52 return; |
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53 end |
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54 end |
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55 |
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56 if origin.type == "c2s" and not stanza.attr.xmlns then |
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57 if not origin.full_jid |
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58 and not(stanza.name == "iq" and stanza.attr.type == "set" and stanza.tags[1] and stanza.tags[1].name == "bind" |
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59 and stanza.tags[1].attr.xmlns == "urn:ietf:params:xml:ns:xmpp-bind") then |
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60 -- authenticated client isn't bound and current stanza is not a bind request |
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61 if stanza.attr.type ~= "result" and stanza.attr.type ~= "error" then |
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62 origin.send(st.error_reply(stanza, "auth", "not-authorized")); -- FIXME maybe allow stanzas to account or server |
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63 end |
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64 return; |
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65 end |
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66 |
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67 -- TODO also, stanzas should be returned to their original state before the function ends |
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68 stanza.attr.from = origin.full_jid; |
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69 end |
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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70 local to, xmlns = stanza.attr.to, stanza.attr.xmlns; |
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71 local from = stanza.attr.from; |
718 | 72 local node, host, resource; |
73 local from_node, from_host, from_resource; | |
74 local to_bare, from_bare; | |
75 if to then | |
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76 if full_sessions[to] or bare_sessions[to] or hosts[to] then |
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77 node, host = jid_split(to); -- TODO only the host is needed, optimize |
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78 else |
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79 node, host, resource = jid_prepped_split(to); |
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80 if not host then |
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81 log("warn", "Received stanza with invalid destination JID: %s", to); |
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82 if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then |
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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 end |
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85 return; |
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86 end |
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87 to_bare = node and (node.."@"..host) or host; -- bare JID |
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88 if resource then to = to_bare.."/"..resource; else to = to_bare; end |
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89 stanza.attr.to = to; |
718 | 90 end |
91 end | |
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92 if from and not origin.full_jid then |
1143
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93 -- We only stamp the 'from' on c2s stanzas, so we still need to check validity |
718 | 94 from_node, from_host, from_resource = jid_prepped_split(from); |
95 if not from_host then | |
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96 log("warn", "Received stanza with invalid source JID: %s", from); |
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97 if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then |
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98 origin.send(st.error_reply(stanza, "modify", "jid-malformed", "The source address is invalid: "..from)); |
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99 end |
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100 return; |
718 | 101 end |
102 from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID | |
103 if from_resource then from = from_bare.."/"..from_resource; else from = from_bare; end | |
104 stanza.attr.from = from; | |
105 end | |
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|
106 |
213 | 107 --[[if to and not(hosts[to]) and not(hosts[to_bare]) and (hosts[host] and hosts[host].type ~= "local") then -- not for us? |
108 log("warn", "stanza recieved for a non-local server"); | |
212
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109 return; -- FIXME what should we do here? |
213 | 110 end]] -- FIXME |
207 | 111 |
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112 if (origin.type == "s2sin" or origin.type == "c2s" or origin.type == "component") and xmlns == nil then |
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113 if origin.type == "s2sin" and not origin.dummy then |
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114 local host_status = origin.hosts[from_host]; |
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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115 if not host_status or not host_status.authed then -- remote server trying to impersonate some other server? |
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116 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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117 return; -- FIXME what should we do here? does this work with subdomains? |
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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parents:
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diff
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|
118 end |
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Add support for dialback piggy-backing. Fixes #37. Thanks to CShadowRun for helping me test :)
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diff
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|
119 end |
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120 core_post_stanza(origin, stanza, origin.full_jid); |
222
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Redirecting all stanzas not from origin of type s2sin and c2s to core_handle_stanza
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121 else |
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122 local h = hosts[stanza.attr.to or origin.host or origin.to_host]; |
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123 if h then |
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124 local event; |
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125 if xmlns == nil then |
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126 if stanza.name == "iq" and (stanza.attr.type == "set" or stanza.attr.type == "get") then |
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127 event = "stanza/iq/"..stanza.tags[1].attr.xmlns..":"..stanza.tags[1].name; |
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128 else |
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129 event = "stanza/"..stanza.name; |
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130 end |
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131 else |
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132 event = "stanza/"..xmlns..":"..stanza.name; |
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133 end |
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134 if h.events.fire_event(event, {origin = origin, stanza = stanza}) then return; end |
1254
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|
135 end |
1887
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136 if host and not hosts[host] then host = nil; end -- COMPAT: workaround for a Pidgin bug which sets 'to' to the SRV result |
3539
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137 handle_unhandled_stanza(host or origin.host or origin.to_host, origin, stanza); |
119
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138 end |
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|
139 end |
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140 |
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141 function core_post_stanza(origin, stanza, preevents) |
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142 local to = stanza.attr.to; |
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143 local node, host, resource = jid_split(to); |
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144 local to_bare = node and (node.."@"..host) or host; -- bare JID |
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145 |
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|
146 local to_type, to_self; |
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147 if node then |
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148 if resource then |
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149 to_type = '/full'; |
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150 else |
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|
151 to_type = '/bare'; |
1292
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152 if node == origin.username and host == origin.host then |
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153 stanza.attr.to = nil; |
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154 to_self = true; |
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|
155 end |
1228
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156 end |
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|
157 else |
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158 if host then |
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159 to_type = '/host'; |
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|
160 else |
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|
161 to_type = '/bare'; |
2685
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diff
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|
162 to_self = true; |
1228
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163 end |
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|
164 end |
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|
165 |
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166 local event_data = {origin=origin, stanza=stanza}; |
2842
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167 if preevents then -- c2s connection |
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168 if hosts[origin.host].events.fire_event('pre-'..stanza.name..to_type, event_data) then return; end -- do preprocessing |
1228
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diff
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|
169 end |
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|
170 local h = hosts[to_bare] or hosts[host or origin.host]; |
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171 if h then |
1419
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diff
changeset
|
172 if h.events.fire_event(stanza.name..to_type, event_data) then return; end -- do processing |
2624
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stanza_router: Fire /self events for stanzas users send to their own bare JID.
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diff
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|
173 if to_self and h.events.fire_event(stanza.name..'/self', event_data) then return; end -- do processing |
3539
8bbd965267b2
modulemanager, stanza_router: Moved modulemanager.handle_stanza to stanza_router, as a local function handle_unhandled_stanza. modulemanager is no longer a dependency of stanza_router.
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174 handle_unhandled_stanza(h.host, origin, stanza); |
145 | 175 else |
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|
176 core_route_stanza(origin, stanza); |
71
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Added: Local stanza routing
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diff
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|
177 end |
30 | 178 end |
179 | |
180 function core_route_stanza(origin, stanza) | |
1411
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181 local node, host, resource = jid_split(stanza.attr.to); |
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182 local from_node, from_host, from_resource = jid_split(stanza.attr.from); |
113
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Working presence, presence probes and other fixes
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106
diff
changeset
|
183 |
372
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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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diff
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|
185 origin = origin or hosts[from_host]; |
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|
186 if not origin then return false; end |
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diff
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|
187 |
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diff
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|
188 if hosts[host] then |
1406
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diff
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|
189 -- old stanza routing code removed |
1408
9b745496b953
stanza_router: Call core_post_stanza from core_route_stanza in place of old routing code
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1407
diff
changeset
|
190 core_post_stanza(origin, stanza); |
148 | 191 elseif origin.type == "c2s" then |
68
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Beginnings of real stanza routing
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diff
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|
192 -- Remote host |
1521
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193 if not hosts[from_host] then |
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194 log("error", "No hosts[from_host] (please report): %s", tostring(stanza)); |
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|
195 end |
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|
196 if (not hosts[from_host]) or (not hosts[from_host].disallow_s2s) then |
1466
95f8024c77fc
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|
197 local xmlns = stanza.attr.xmlns; |
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|
198 --stanza.attr.xmlns = "jabber:server"; |
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|
199 stanza.attr.xmlns = nil; |
2132
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stanza_router: Don't log full stanzas destined for s2s
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diff
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|
200 log("debug", "sending s2s stanza: %s", tostring(stanza.top_tag and stanza:top_tag()) or stanza); |
1466
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|
201 send_s2s(origin.host, host, stanza); -- TODO handle remote routing errors |
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|
202 stanza.attr.xmlns = xmlns; -- reset |
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|
203 else |
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|
204 core_route_stanza(hosts[from_host], st.error_reply(stanza, "cancel", "not-allowed", "Communication with remote servers is not allowed")); |
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|
205 end |
210
e679487e2fa4
Part 2 of internal components. Should have mentioned that the previous commit was from waqas, this one from me.
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209
diff
changeset
|
206 elseif origin.type == "component" or origin.type == "local" then |
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Part 2 of internal components. Should have mentioned that the previous commit was from waqas, this one from me.
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diff
changeset
|
207 -- Route via s2s for components and modules |
1348
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stanza_router: Use stanza.attr.from's host instead of origin.host when routing stanzas to remote hosts (fixes problem with sending from node@host components)
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|
208 log("debug", "Routing outgoing stanza for %s to %s", from_host, host); |
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diff
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|
209 send_s2s(from_host, host, stanza); |
148 | 210 else |
2833
a82bd02d5918
stanza_router: Log the name of unhandled stanzas (thanks bear)
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parents:
1985
diff
changeset
|
211 log("warn", "received %s stanza from unhandled connection type: %s", tostring(stanza.name), tostring(origin.type)); |
68
ceb7a55676a4
Beginnings of real stanza routing
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parents:
66
diff
changeset
|
212 end |
30 | 213 end |