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core/stanza_router.lua @ 1165:ec69bcc7ceb5
stanza_router: Cleaner namespace handling
| author | Waqas Hussain <waqas20@gmail.com> |
|---|---|
| date | Sat, 16 May 2009 00:33:49 +0500 |
| parent | 1164:251954b07cae |
| child | 1167:5620ea24be94 |
| 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 |
| 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 if not stanza.attr.xmlns then stanza.attr.xmlns = "jabber:client"; end -- FIXME Hack. This should be removed when we fix namespace handling. |
| 73 | 51 -- TODO verify validity of stanza (as well as JID validity) |
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52 if stanza.attr.type == "error" and #stanza.tags == 0 then return; end -- TODO invalid stanza, log |
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53 if stanza.name == "iq" then |
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54 if (stanza.attr.type == "set" or stanza.attr.type == "get") and #stanza.tags ~= 1 then |
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55 origin.send(st.error_reply(stanza, "modify", "bad-request")); |
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56 return; |
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57 end |
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58 end |
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59 |
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60 if origin.type == "c2s" and not origin.full_jid |
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61 and not(stanza.name == "iq" and stanza.tags[1].name == "bind" |
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62 and stanza.tags[1].attr.xmlns == "urn:ietf:params:xml:ns:xmpp-bind") then |
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63 error("Client MUST bind resource after auth"); |
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64 end |
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65 |
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66 -- TODO also, stanzas should be returned to their original state before the function ends |
| 145 | 67 if origin.type == "c2s" then |
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68 stanza.attr.from = origin.full_jid; |
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69 end |
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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 | |
| 76 node, host, resource = jid_prepped_split(to); | |
| 77 if not host then | |
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78 log("warn", "Received stanza with invalid destination JID: %s", to); |
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79 origin.send(st.error_reply(stanza, "modify", "jid-malformed", "The destination address is invalid: "..to)); |
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80 return; |
| 718 | 81 end |
| 82 to_bare = node and (node.."@"..host) or host; -- bare JID | |
| 83 if resource then to = to_bare.."/"..resource; else to = to_bare; end | |
| 84 stanza.attr.to = to; | |
| 85 end | |
| 86 if from then | |
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87 -- We only stamp the 'from' on c2s stanzas, so we still need to check validity |
| 718 | 88 from_node, from_host, from_resource = jid_prepped_split(from); |
| 89 if not from_host then | |
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90 log("warn", "Received stanza with invalid source JID: %s", from); |
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91 origin.send(st.error_reply(stanza, "modify", "jid-malformed", "The source address is invalid: "..from)); |
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92 return; |
| 718 | 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 if (origin.type == "s2sin" or origin.type == "c2s" or origin.type == "component") and xmlns == "jabber:client" then |
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105 if origin.type == "s2sin" and not origin.dummy then |
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106 local host_status = origin.hosts[from_host]; |
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107 if not host_status or not host_status.authed then -- remote server trying to impersonate some other server? |
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108 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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109 return; -- FIXME what should we do here? does this work with subdomains? |
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110 end |
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111 end |
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112 local event_data = {origin=origin, stanza=stanza}; |
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113 if fire_event(tostring(host or origin.host).."/"..stanza.name, event_data) then |
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114 -- event handled |
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115 elseif not to then |
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116 core_handle_stanza(origin, stanza); |
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117 elseif hosts[to] and hosts[to].type == "local" then -- directed at a local server |
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118 core_handle_stanza(origin, stanza); |
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119 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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120 component_handle_stanza(origin, stanza); |
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121 elseif hosts[to_bare] and hosts[to_bare].type == "component" then -- hack to allow components to handle node@server |
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122 component_handle_stanza(origin, stanza); |
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123 elseif hosts[host] and hosts[host].type == "component" then -- directed at a component |
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124 component_handle_stanza(origin, stanza); |
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125 elseif hosts[host] and hosts[host].type == "local" and stanza.name == "iq" and not resource then -- directed at bare JID |
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126 core_handle_stanza(origin, stanza); |
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127 else |
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128 core_route_stanza(origin, stanza); |
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129 end |
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130 else |
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131 core_handle_stanza(origin, stanza); |
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132 end |
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133 end |
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134 |
|
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135 -- This function handles stanzas which are not routed any further, |
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136 -- that is, they are handled by this server |
|
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137 function core_handle_stanza(origin, stanza) |
|
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138 if not modules_handle_stanza(select(2, jid_split(stanza.attr.to)) or origin.host or origin.to_host, origin, stanza) then |
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139 log("warn", "Unhandled %s stanza: %s", origin.type, tostring(stanza)); |
|
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140 if stanza.attr.xmlns == "jabber:client" then |
|
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141 if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then |
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142 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
|
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143 end |
|
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144 else |
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145 origin:close("unsupported-stanza-type"); |
|
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f40928c94933
Fixed: Stopped tryint to send error replies on unauthed connections
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519
diff
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|
146 end |
|
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147 end |
| 30 | 148 end |
| 149 | |
| 150 function core_route_stanza(origin, stanza) | |
| 151 -- Hooks | |
|
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152 --- ...later |
| 207 | 153 |
| 30 | 154 -- Deliver |
|
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155 local to = stanza.attr.to; |
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156 local node, host, resource = jid_split(to); |
| 170 | 157 local to_bare = node and (node.."@"..host) or host; -- bare JID |
| 158 local from = stanza.attr.from; | |
| 159 local from_node, from_host, from_resource = jid_split(from); | |
| 160 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID | |
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161 |
|
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162 -- Auto-detect origin if not specified |
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163 origin = origin or hosts[from_host]; |
|
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164 if not origin then return false; end |
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165 |
|
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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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166 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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167 return component_handle_stanza(origin, stanza); |
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168 elseif hosts[to_bare] and hosts[to_bare].type == "component" then -- hack to allow components to handle node@server |
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diff
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169 return component_handle_stanza(origin, stanza); |
|
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170 elseif hosts[host] and hosts[host].type == "component" then -- directed at a component |
|
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171 return component_handle_stanza(origin, stanza); |
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parents:
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diff
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|
172 end |
|
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diff
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|
173 |
|
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diff
changeset
|
174 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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diff
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175 |
|
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diff
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|
176 local host_session = hosts[host] |
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177 if host_session and host_session.type == "local" then |
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178 -- Local host |
|
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179 local user = host_session.sessions[node]; |
|
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diff
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180 if user then |
| 72 | 181 local res = user.sessions[resource]; |
|
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182 if not res then |
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diff
changeset
|
183 -- if we get here, resource was not specified or was unavailable |
|
106
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diff
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|
184 if stanza.name == "presence" then |
|
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parents:
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diff
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|
185 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
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parents:
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diff
changeset
|
186 handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); |
|
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187 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
|
188 for _, session in pairs(user.sessions) do -- presence broadcast to all user resources. |
|
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199
diff
changeset
|
189 if session.full_jid then -- FIXME should this be just for available resources? Do we need to check subscription? |
|
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diff
changeset
|
190 stanza.attr.to = session.full_jid; -- reset at the end of function |
|
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parents:
199
diff
changeset
|
191 session.send(stanza); |
|
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|
192 end |
|
106
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diff
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|
193 end |
|
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diff
changeset
|
194 end |
|
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diff
changeset
|
195 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
|
196 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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parents:
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diff
changeset
|
197 if stanza.attr.type == 'headline' then |
|
783
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Stanza router: Message to bare JID fixes
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|
198 for _, session in pairs(user.sessions) do -- find resource with greatest priority |
|
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|
199 if session.presence and session.priority >= 0 then |
|
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200 session.send(stanza); |
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|
201 end |
|
106
f2a3d204a76a
Added: presence broadcast
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105
diff
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|
202 end |
|
848
b1f3977fd140
core.stanza_router: Reply with error to groupchat messages directed at unavailable resources or offline users
Matthew Wild <mwild1@gmail.com>
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789
diff
changeset
|
203 elseif resource and stanza.attr.type == 'groupchat' then |
|
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core.stanza_router: Reply with error to groupchat messages directed at unavailable resources or offline users
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parents:
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diff
changeset
|
204 -- Groupchat message sent to offline resource |
|
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parents:
789
diff
changeset
|
205 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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diff
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|
206 else |
|
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|
207 local priority = 0; |
|
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|
208 local recipients = {}; |
|
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|
209 for _, session in pairs(user.sessions) do -- find resource with greatest priority |
|
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|
210 if session.presence then |
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|
211 local p = session.priority; |
|
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|
212 if p > priority then |
|
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diff
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|
213 priority = p; |
|
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diff
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|
214 recipients = {session}; |
|
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|
215 elseif p == priority then |
|
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|
216 t_insert(recipients, session); |
|
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217 end |
|
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|
218 end |
|
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|
219 end |
|
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|
220 local count = 0; |
|
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|
221 for _, session in ipairs(recipients) do |
|
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diff
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|
222 session.send(stanza); |
|
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|
223 count = count + 1; |
|
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|
224 end |
|
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|
225 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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diff
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|
226 offlinemanager.store(node, host, stanza); |
|
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|
227 -- TODO deal with storage errors |
|
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|
228 end |
|
200
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Priority based message routing, etc
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199
diff
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|
229 end |
|
967
b021403c5d80
Fixed: Send correct error reply for IQs directed at unavailable resources
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diff
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|
230 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
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|
231 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
|
71
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Added: Local stanza routing
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diff
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|
232 end |
|
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Working presence, presence probes and other fixes
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106
diff
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|
233 else |
|
121
74e5919e4737
Added a comment, removed all the old code
Matthew Wild <mwild1@gmail.com>
parents:
119
diff
changeset
|
234 -- User + resource is online... |
| 170 | 235 stanza.attr.to = res.full_jid; -- reset at the end of function |
|
186
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
Matthew Wild <mwild1@gmail.com>
parents:
178
diff
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|
236 res.send(stanza); -- Yay \o/ |
|
106
f2a3d204a76a
Added: presence broadcast
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|
237 end |
|
71
fbb4ef1da82e
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diff
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|
238 else |
|
113
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Working presence, presence probes and other fixes
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diff
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|
239 -- user not online |
|
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diff
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|
240 if user_exists(node, host) then |
|
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Working presence, presence probes and other fixes
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diff
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|
241 if stanza.name == "presence" then |
|
966
d2692d427496
Fixed: Issue with presence error routing
Waqas Hussain <waqas20@gmail.com>
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924
diff
changeset
|
242 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
|
243 handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); |
|
113
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Working presence, presence probes and other fixes
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106
diff
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|
244 else |
|
175
5f71d290bb44
Routing code reorganization
Waqas Hussain <waqas20@gmail.com>
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174
diff
changeset
|
245 -- TODO send unavailable presence or unsubscribed |
|
113
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|
246 end |
|
642
0ae8584ba3e7
More error replies for offline and non-existing users
Waqas Hussain <waqas20@gmail.com>
parents:
641
diff
changeset
|
247 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>
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changeset
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248 stanza.attr.to = to_bare; -- TODO not in RFC, but seems obvious. Should discuss on the mailing list. |
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249
1fc47cf5d144
Added basic offline message support
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changeset
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249 if stanza.attr.type == "chat" or stanza.attr.type == "normal" or not stanza.attr.type then |
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250 offlinemanager.store(node, host, stanza); |
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251 -- FIXME don't store messages with only chat state notifications |
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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
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252 elseif stanza.attr.type == "groupchat" then |
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b1f3977fd140
core.stanza_router: Reply with error to groupchat messages directed at unavailable resources or offline users
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changeset
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253 local reply = st.error_reply(stanza, "cancel", "service-unavailable"); |
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diff
changeset
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254 reply.attr.from = to; |
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b1f3977fd140
core.stanza_router: Reply with error to groupchat messages directed at unavailable resources or offline users
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789
diff
changeset
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255 origin.send(reply); |
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249
1fc47cf5d144
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256 end |
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diff
changeset
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257 -- TODO allow configuration of offline storage |
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Added basic offline message support
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diff
changeset
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258 -- TODO send error if not storing offline |
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854
b9cfc9d5496a
core.stanza_router: Don't bounce errors to iq type=result/error
Matthew Wild <mwild1@gmail.com>
parents:
848
diff
changeset
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259 elseif stanza.name == "iq" and (stanza.attr.type == "get" or stanza.attr.type == "set") then |
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642
0ae8584ba3e7
More error replies for offline and non-existing users
Waqas Hussain <waqas20@gmail.com>
parents:
641
diff
changeset
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260 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
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113
9026fdad1531
Working presence, presence probes and other fixes
Waqas Hussain <waqas20@gmail.com>
parents:
106
diff
changeset
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261 end |
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Working presence, presence probes and other fixes
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parents:
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diff
changeset
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262 else -- user does not exist |
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diff
changeset
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263 -- 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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Working presence, presence probes and other fixes
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
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264 if stanza.name == "presence" then |
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642
0ae8584ba3e7
More error replies for offline and non-existing users
Waqas Hussain <waqas20@gmail.com>
parents:
641
diff
changeset
|
265 local t = stanza.attr.type; |
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More error replies for offline and non-existing users
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parents:
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diff
changeset
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266 if t == "subscribe" or t == "probe" then |
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186
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
Matthew Wild <mwild1@gmail.com>
parents:
178
diff
changeset
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267 origin.send(st.presence({from = to_bare, to = from_bare, type = "unsubscribed"})); |
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parents:
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diff
changeset
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268 end |
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Working presence, presence probes and other fixes
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parents:
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diff
changeset
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269 -- else ignore |
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854
b9cfc9d5496a
core.stanza_router: Don't bounce errors to iq type=result/error
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parents:
848
diff
changeset
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270 elseif stanza.attr.type ~= "error" and (stanza.name ~= "iq" or stanza.attr.type ~= "result") then |
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186
bfa8a30ea488
sends2s -> s2s_session.send(), s2s_session.send() -> s2s_session.sends2s()
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parents:
178
diff
changeset
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271 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
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113
9026fdad1531
Working presence, presence probes and other fixes
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parents:
106
diff
changeset
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272 end |
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Working presence, presence probes and other fixes
Waqas Hussain <waqas20@gmail.com>
parents:
106
diff
changeset
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273 end |
|
71
fbb4ef1da82e
Added: Local stanza routing
Waqas Hussain <waqas20@gmail.com>
parents:
68
diff
changeset
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274 end |
| 148 | 275 elseif origin.type == "c2s" then |
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68
ceb7a55676a4
Beginnings of real stanza routing
Matthew Wild <mwild1@gmail.com>
parents:
66
diff
changeset
|
276 -- Remote host |
| 170 | 277 local xmlns = stanza.attr.xmlns; |
| 148 | 278 --stanza.attr.xmlns = "jabber:server"; |
| 279 stanza.attr.xmlns = nil; | |
| 146 | 280 log("debug", "sending s2s stanza: %s", tostring(stanza)); |
| 170 | 281 send_s2s(origin.host, host, stanza); -- TODO handle remote routing errors |
| 282 stanza.attr.xmlns = xmlns; -- reset | |
|
210
e679487e2fa4
Part 2 of internal components. Should have mentioned that the previous commit was from waqas, this one from me.
Matthew Wild <mwild1@gmail.com>
parents:
209
diff
changeset
|
283 elseif origin.type == "component" or origin.type == "local" then |
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e679487e2fa4
Part 2 of internal components. Should have mentioned that the previous commit was from waqas, this one from me.
Matthew Wild <mwild1@gmail.com>
parents:
209
diff
changeset
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284 -- Route via s2s for components and modules |
|
e679487e2fa4
Part 2 of internal components. Should have mentioned that the previous commit was from waqas, this one from me.
Matthew Wild <mwild1@gmail.com>
parents:
209
diff
changeset
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285 log("debug", "Routing outgoing stanza for %s to %s", origin.host, host); |
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e679487e2fa4
Part 2 of internal components. Should have mentioned that the previous commit was from waqas, this one from me.
Matthew Wild <mwild1@gmail.com>
parents:
209
diff
changeset
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286 send_s2s(origin.host, host, stanza); |
| 148 | 287 else |
| 288 log("warn", "received stanza from unhandled connection type: %s", origin.type); | |
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68
ceb7a55676a4
Beginnings of real stanza routing
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parents:
66
diff
changeset
|
289 end |
|
113
9026fdad1531
Working presence, presence probes and other fixes
Waqas Hussain <waqas20@gmail.com>
parents:
106
diff
changeset
|
290 stanza.attr.to = to; -- reset |
| 30 | 291 end |
