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core/stanza_router.lua @ 1183:565e16ee0c74
modulemanager: Add module:fire_event() to module API
author | Matthew Wild <mwild1@gmail.com> |
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date | Tue, 19 May 2009 11:50:22 +0100 |
parent | 1182:89e9f0d555a2 |
child | 1191:7f965bd37d65 |
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; |
30 | 46 |
47 function core_process_stanza(origin, stanza) | |
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48 (origin.log or log)("debug", "Received[%s]: %s", origin.type, stanza:top_tag()) |
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49 |
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50 -- Currently we guarantee every stanza to have an xmlns, should we keep this rule? |
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51 if not stanza.attr.xmlns then stanza.attr.xmlns = "jabber:client"; end |
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52 |
73 | 53 -- TODO verify validity of stanza (as well as JID validity) |
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54 if stanza.attr.type == "error" and #stanza.tags == 0 then return; end -- TODO invalid stanza, log |
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55 if stanza.name == "iq" then |
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56 if (stanza.attr.type == "set" or stanza.attr.type == "get") and #stanza.tags ~= 1 then |
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57 origin.send(st.error_reply(stanza, "modify", "bad-request")); |
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58 return; |
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59 end |
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60 end |
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61 |
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62 if origin.type == "c2s" and not origin.full_jid |
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63 and not(stanza.name == "iq" and stanza.tags[1].name == "bind" |
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64 and stanza.tags[1].attr.xmlns == "urn:ietf:params:xml:ns:xmpp-bind") then |
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65 error("Client MUST bind resource after auth"); |
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66 end |
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67 |
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68 -- TODO also, stanzas should be returned to their original state before the function ends |
145 | 69 if origin.type == "c2s" then |
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70 stanza.attr.from = origin.full_jid; |
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71 end |
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72 local to, xmlns = stanza.attr.to, stanza.attr.xmlns; |
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73 local from = stanza.attr.from; |
718 | 74 local node, host, resource; |
75 local from_node, from_host, from_resource; | |
76 local to_bare, from_bare; | |
77 if to then | |
78 node, host, resource = jid_prepped_split(to); | |
79 if not host then | |
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80 log("warn", "Received stanza with invalid destination JID: %s", to); |
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81 origin.send(st.error_reply(stanza, "modify", "jid-malformed", "The destination address is invalid: "..to)); |
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82 return; |
718 | 83 end |
84 to_bare = node and (node.."@"..host) or host; -- bare JID | |
85 if resource then to = to_bare.."/"..resource; else to = to_bare; end | |
86 stanza.attr.to = to; | |
87 end | |
88 if from then | |
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89 -- We only stamp the 'from' on c2s stanzas, so we still need to check validity |
718 | 90 from_node, from_host, from_resource = jid_prepped_split(from); |
91 if not from_host then | |
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92 log("warn", "Received stanza with invalid source JID: %s", from); |
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93 origin.send(st.error_reply(stanza, "modify", "jid-malformed", "The source address is invalid: "..from)); |
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94 return; |
718 | 95 end |
96 from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID | |
97 if from_resource then from = from_bare.."/"..from_resource; else from = from_bare; end | |
98 stanza.attr.from = from; | |
99 end | |
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100 |
213 | 101 --[[if to and not(hosts[to]) and not(hosts[to_bare]) and (hosts[host] and hosts[host].type ~= "local") then -- not for us? |
102 log("warn", "stanza recieved for a non-local server"); | |
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103 return; -- FIXME what should we do here? |
213 | 104 end]] -- FIXME |
207 | 105 |
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106 if (origin.type == "s2sin" or origin.type == "c2s" or origin.type == "component") and xmlns == "jabber:client" then |
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107 if origin.type == "s2sin" and not origin.dummy then |
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108 local host_status = origin.hosts[from_host]; |
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109 if not host_status or not host_status.authed then -- remote server trying to impersonate some other server? |
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110 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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111 return; -- FIXME what should we do here? does this work with subdomains? |
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112 end |
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113 end |
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114 core_post_stanza(origin, stanza); |
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115 else |
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116 modules_handle_stanza(host or origin.host or origin.to_host, origin, stanza); |
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117 end |
30 | 118 end |
119 | |
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120 function core_post_stanza(origin, stanza) |
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121 local to = stanza.attr.to; |
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122 local node, host, resource = jid_split(to); |
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123 local to_bare = node and (node.."@"..host) or host; -- bare JID |
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124 |
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125 local event_data = {origin=origin, stanza=stanza}; |
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126 if host and fire_event(host.."/"..stanza.name, event_data) then |
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127 -- event handled |
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128 elseif stanza.name == "presence" and origin.host and fire_event(origin.host.."/"..stanza.name, event_data) then |
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129 -- event handled |
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130 elseif not to then |
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131 modules_handle_stanza(host or origin.host or origin.to_host, origin, stanza); |
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132 elseif hosts[to] and hosts[to].type == "local" then -- directed at a local server |
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133 modules_handle_stanza(host or origin.host or origin.to_host, origin, stanza); |
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134 elseif hosts[to_bare] and hosts[to_bare].type == "component" then -- hack to allow components to handle node@server |
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135 component_handle_stanza(origin, stanza); |
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136 elseif hosts[host] and hosts[host].type == "component" then -- directed at a component |
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137 component_handle_stanza(origin, stanza); |
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138 elseif hosts[host] and hosts[host].type == "local" and stanza.name == "iq" and not resource then -- directed at bare JID |
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139 modules_handle_stanza(host or origin.host or origin.to_host, origin, stanza); |
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140 else |
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141 core_route_stanza(origin, stanza); |
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142 end |
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143 end |
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144 |
30 | 145 function core_route_stanza(origin, stanza) |
146 -- Hooks | |
68
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|
147 --- ...later |
207 | 148 |
30 | 149 -- Deliver |
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150 local to = stanza.attr.to; |
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151 local node, host, resource = jid_split(to); |
170 | 152 local to_bare = node and (node.."@"..host) or host; -- bare JID |
153 local from = stanza.attr.from; | |
154 local from_node, from_host, from_resource = jid_split(from); | |
155 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID | |
113
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Working presence, presence probes and other fixes
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156 |
372
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|
157 -- Auto-detect origin if not specified |
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158 origin = origin or hosts[from_host]; |
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159 if not origin then return false; end |
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|
160 |
1168
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Dropped support for resource based components
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diff
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|
161 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)
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
162 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
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163 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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parents:
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diff
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|
164 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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|
165 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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|
166 |
966
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diff
changeset
|
167 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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|
168 |
68
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diff
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|
169 local host_session = hosts[host] |
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diff
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170 if host_session and host_session.type == "local" then |
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diff
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|
171 -- Local host |
71
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Added: Local stanza routing
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diff
changeset
|
172 local user = host_session.sessions[node]; |
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diff
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173 if user then |
72 | 174 local res = user.sessions[resource]; |
1169
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parents:
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175 if res then -- resource is online... |
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176 res.send(stanza); -- Yay \o/ |
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diff
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|
177 else |
71
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diff
changeset
|
178 -- if we get here, resource was not specified or was unavailable |
106
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diff
changeset
|
179 if stanza.name == "presence" then |
966
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parents:
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diff
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|
180 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
|
181 handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); |
966
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182 elseif not resource then -- sender is available or unavailable or error |
200
5e8b3cce798f
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parents:
199
diff
changeset
|
183 for _, session in pairs(user.sessions) do -- presence broadcast to all user resources. |
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parents:
199
diff
changeset
|
184 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
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185 stanza.attr.to = session.full_jid; -- reset at the end of function |
5e8b3cce798f
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parents:
199
diff
changeset
|
186 session.send(stanza); |
113
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Working presence, presence probes and other fixes
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diff
changeset
|
187 end |
106
f2a3d204a76a
Added: presence broadcast
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parents:
105
diff
changeset
|
188 end |
f2a3d204a76a
Added: presence broadcast
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
189 end |
113
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Working presence, presence probes and other fixes
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parents:
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diff
changeset
|
190 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
|
191 stanza.attr.to = to_bare; |
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
|
192 if stanza.attr.type == 'headline' then |
783
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Stanza router: Message to bare JID fixes
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diff
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|
193 for _, session in pairs(user.sessions) do -- find resource with greatest priority |
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194 if session.presence and session.priority >= 0 then |
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195 session.send(stanza); |
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|
196 end |
106
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Added: presence broadcast
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diff
changeset
|
197 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:
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diff
changeset
|
198 elseif resource and stanza.attr.type == 'groupchat' then |
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diff
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199 -- Groupchat message sent to offline resource |
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diff
changeset
|
200 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
783
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diff
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|
201 else |
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diff
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|
202 local priority = 0; |
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diff
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|
203 local recipients = {}; |
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diff
changeset
|
204 for _, session in pairs(user.sessions) do -- find resource with greatest priority |
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diff
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|
205 if session.presence then |
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|
206 local p = session.priority; |
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diff
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|
207 if p > priority then |
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diff
changeset
|
208 priority = p; |
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diff
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|
209 recipients = {session}; |
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|
210 elseif p == priority then |
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diff
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|
211 t_insert(recipients, session); |
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diff
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|
212 end |
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|
213 end |
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diff
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|
214 end |
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diff
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|
215 local count = 0; |
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diff
changeset
|
216 for _, session in ipairs(recipients) do |
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diff
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|
217 session.send(stanza); |
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diff
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|
218 count = count + 1; |
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diff
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|
219 end |
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diff
changeset
|
220 if count == 0 and (stanza.attr.type == "chat" or stanza.attr.type == "normal" or not stanza.attr.type) then |
defb0119f80f
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parents:
781
diff
changeset
|
221 offlinemanager.store(node, host, stanza); |
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diff
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|
222 -- TODO deal with storage errors |
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diff
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|
223 end |
200
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Priority based message routing, etc
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199
diff
changeset
|
224 end |
967
b021403c5d80
Fixed: Send correct error reply for IQs directed at unavailable resources
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diff
changeset
|
225 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
|
226 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
71
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diff
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|
227 end |
106
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105
diff
changeset
|
228 end |
71
fbb4ef1da82e
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68
diff
changeset
|
229 else |
113
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106
diff
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|
230 -- user not online |
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diff
changeset
|
231 if user_exists(node, host) then |
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diff
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|
232 if stanza.name == "presence" then |
966
d2692d427496
Fixed: Issue with presence error routing
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diff
changeset
|
233 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
|
234 handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); |
113
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diff
changeset
|
235 else |
175
5f71d290bb44
Routing code reorganization
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parents:
174
diff
changeset
|
236 -- TODO send unavailable presence or unsubscribed |
113
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diff
changeset
|
237 end |
642
0ae8584ba3e7
More error replies for offline and non-existing users
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parents:
641
diff
changeset
|
238 elseif stanza.name == "message" then -- FIXME if full jid, then send out to resources with highest priority |
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
|
239 stanza.attr.to = to_bare; -- TODO not in RFC, but seems obvious. Should discuss on the mailing list. |
249
1fc47cf5d144
Added basic offline message support
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parents:
237
diff
changeset
|
240 if stanza.attr.type == "chat" or stanza.attr.type == "normal" or not stanza.attr.type then |
1fc47cf5d144
Added basic offline message support
Waqas Hussain <waqas20@gmail.com>
parents:
237
diff
changeset
|
241 offlinemanager.store(node, host, stanza); |
1fc47cf5d144
Added basic offline message support
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237
diff
changeset
|
242 -- FIXME don't store messages with only chat state notifications |
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
|
243 elseif stanza.attr.type == "groupchat" then |
b1f3977fd140
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Matthew Wild <mwild1@gmail.com>
parents:
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diff
changeset
|
244 local reply = st.error_reply(stanza, "cancel", "service-unavailable"); |
b1f3977fd140
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parents:
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diff
changeset
|
245 reply.attr.from = to; |
b1f3977fd140
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Matthew Wild <mwild1@gmail.com>
parents:
789
diff
changeset
|
246 origin.send(reply); |
249
1fc47cf5d144
Added basic offline message support
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parents:
237
diff
changeset
|
247 end |
1fc47cf5d144
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parents:
237
diff
changeset
|
248 -- TODO allow configuration of offline storage |
1fc47cf5d144
Added basic offline message support
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237
diff
changeset
|
249 -- TODO send error if not storing offline |
854
b9cfc9d5496a
core.stanza_router: Don't bounce errors to iq type=result/error
Matthew Wild <mwild1@gmail.com>
parents:
848
diff
changeset
|
250 elseif stanza.name == "iq" and (stanza.attr.type == "get" or stanza.attr.type == "set") then |
642
0ae8584ba3e7
More error replies for offline and non-existing users
Waqas Hussain <waqas20@gmail.com>
parents:
641
diff
changeset
|
251 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
113
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Working presence, presence probes and other fixes
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106
diff
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|
252 end |
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|
253 else -- user does not exist |
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diff
changeset
|
254 -- 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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diff
changeset
|
255 if stanza.name == "presence" then |
642
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More error replies for offline and non-existing users
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parents:
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diff
changeset
|
256 local t = stanza.attr.type; |
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More error replies for offline and non-existing users
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641
diff
changeset
|
257 if t == "subscribe" or t == "probe" then |
186
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258 origin.send(st.presence({from = to_bare, to = from_bare, type = "unsubscribed"})); |
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259 end |
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260 -- else ignore |
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261 elseif stanza.attr.type ~= "error" and (stanza.name ~= "iq" or stanza.attr.type ~= "result") then |
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262 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
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263 end |
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264 end |
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265 end |
148 | 266 elseif origin.type == "c2s" then |
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267 -- Remote host |
170 | 268 local xmlns = stanza.attr.xmlns; |
148 | 269 --stanza.attr.xmlns = "jabber:server"; |
270 stanza.attr.xmlns = nil; | |
146 | 271 log("debug", "sending s2s stanza: %s", tostring(stanza)); |
170 | 272 send_s2s(origin.host, host, stanza); -- TODO handle remote routing errors |
273 stanza.attr.xmlns = xmlns; -- reset | |
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274 elseif origin.type == "component" or origin.type == "local" then |
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275 -- Route via s2s for components and modules |
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276 log("debug", "Routing outgoing stanza for %s to %s", origin.host, host); |
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277 send_s2s(origin.host, host, stanza); |
148 | 278 else |
279 log("warn", "received stanza from unhandled connection type: %s", origin.type); | |
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280 end |
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281 stanza.attr.to = to; -- reset |
30 | 282 end |