Mercurial > lxmppd-hg-xmllex / file comparison
comparison: core/stanza_router.lua
core/stanza_router.lua
- changeset 121
- 74e5919e4737
- parent 119
- b48a573608e8
- child 122
- 21f8d2175393
- child 128
- 77a1778b16e8
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replaced
| 120:ef964468f174 | 121:74e5919e4737 |
|---|---|
| 7 | 7 |
| 8 local log = require "util.logger".init("stanzarouter") | 8 local log = require "util.logger".init("stanzarouter") |
| 9 | 9 |
| 10 local st = require "util.stanza"; | 10 local st = require "util.stanza"; |
| 11 local send = require "core.sessionmanager".send_to_session; | 11 local send = require "core.sessionmanager".send_to_session; |
| 12 local send_s2s = require "core.s2smanager".send_to_host; | |
| 12 local user_exists = require "core.usermanager".user_exists; | 13 local user_exists = require "core.usermanager".user_exists; |
| 13 | 14 |
| 14 local jid_split = require "util.jid".split; | 15 local jid_split = require "util.jid".split; |
| 15 local print = print; | 16 local print = print; |
| 16 | 17 |
| 45 elseif origin.type == "c2s" then | 46 elseif origin.type == "c2s" then |
| 46 core_route_stanza(origin, stanza); | 47 core_route_stanza(origin, stanza); |
| 47 end | 48 end |
| 48 end | 49 end |
| 49 | 50 |
| 51 -- This function handles stanzas which are not routed any further, | |
| 52 -- that is, they are handled by this server | |
| 50 function core_handle_stanza(origin, stanza) | 53 function core_handle_stanza(origin, stanza) |
| 51 -- Handlers | 54 -- Handlers |
| 52 if origin.type == "c2s" or origin.type == "c2s_unauthed" then | 55 if origin.type == "c2s" or origin.type == "c2s_unauthed" then |
| 53 local session = origin; | 56 local session = origin; |
| 54 | 57 |
| 149 send(res, stanza); | 152 send(res, stanza); |
| 150 else | 153 else |
| 151 -- TODO send IQ error | 154 -- TODO send IQ error |
| 152 end | 155 end |
| 153 else | 156 else |
| 157 -- User + resource is online... | |
| 154 stanza.attr.to = res.full_jid; | 158 stanza.attr.to = res.full_jid; |
| 155 send(res, stanza); -- Yay \o/ | 159 send(res, stanza); -- Yay \o/ |
| 156 end | 160 end |
| 157 else | 161 else |
| 158 -- user not online | 162 -- user not online |
| 189 end | 193 end |
| 190 end | 194 end |
| 191 stanza.attr.to = to; -- reset | 195 stanza.attr.to = to; -- reset |
| 192 end | 196 end |
| 193 | 197 |
| 194 function handle_stanza_nodest(stanza) | |
| 195 if stanza.name == "iq" then | |
| 196 handle_stanza_iq_no_to(session, stanza); | |
| 197 elseif stanza.name == "presence" then | |
| 198 -- Broadcast to this user's contacts | |
| 199 handle_stanza_presence_broadcast(session, stanza); | |
| 200 -- also, if it is initial presence, send out presence probes | |
| 201 if not session.last_presence then | |
| 202 handle_stanza_presence_probe_broadcast(session, stanza); | |
| 203 end | |
| 204 session.last_presence = stanza; | |
| 205 elseif stanza.name == "message" then | |
| 206 -- Treat as if message was sent to bare JID of the sender | |
| 207 handle_stanza_to_local_user(stanza); | |
| 208 end | |
| 209 end | |
| 210 | |
| 211 function handle_stanza_tolocal(stanza) | |
| 212 local node, host, resource = jid.split(stanza.attr.to); | |
| 213 if host and hosts[host] and hosts[host].type == "local" then | |
| 214 -- Is a local host, handle internally | |
| 215 if node then | |
| 216 -- Is a local user, send to their session | |
| 217 log("debug", "Routing stanza to %s@%s", node, host); | |
| 218 if not session.username then return; end --FIXME: Correct response when trying to use unauthed stream is what? | |
| 219 handle_stanza_to_local_user(stanza); | |
| 220 else | |
| 221 -- Is sent to this server, let's handle it... | |
| 222 log("debug", "Routing stanza to %s", host); | |
| 223 handle_stanza_to_server(stanza, session); | |
| 224 end | |
| 225 end | |
| 226 end | |
| 227 | |
| 228 function handle_stanza_toremote(stanza) | 198 function handle_stanza_toremote(stanza) |
| 229 log("error", "Stanza bound for remote host, but s2s is not implemented"); | 199 log("error", "Stanza bound for remote host, but s2s is not implemented"); |
| 230 end | 200 end |
| 231 | |
| 232 | |
| 233 --[[ | |
| 234 local function route_c2s_stanza(session, stanza) | |
| 235 stanza.attr.from = session.full_jid; | |
| 236 if not stanza.attr.to and session.username then | |
| 237 -- Has no 'to' attribute, handle internally | |
| 238 if stanza.name == "iq" then | |
| 239 handle_stanza_iq_no_to(session, stanza); | |
| 240 elseif stanza.name == "presence" then | |
| 241 -- Broadcast to this user's contacts | |
| 242 handle_stanza_presence_broadcast(session, stanza); | |
| 243 -- also, if it is initial presence, send out presence probes | |
| 244 if not session.last_presence then | |
| 245 handle_stanza_presence_probe_broadcast(session, stanza); | |
| 246 end | |
| 247 session.last_presence = stanza; | |
| 248 elseif stanza.name == "message" then | |
| 249 -- Treat as if message was sent to bare JID of the sender | |
| 250 handle_stanza_to_local_user(stanza); | |
| 251 end | |
| 252 end | |
| 253 local node, host, resource = jid.split(stanza.attr.to); | |
| 254 if host and hosts[host] and hosts[host].type == "local" then | |
| 255 -- Is a local host, handle internally | |
| 256 if node then | |
| 257 -- Is a local user, send to their session | |
| 258 if not session.username then return; end --FIXME: Correct response when trying to use unauthed stream is what? | |
| 259 handle_stanza_to_local_user(stanza); | |
| 260 else | |
| 261 -- Is sent to this server, let's handle it... | |
| 262 handle_stanza_to_server(stanza, session); | |
| 263 end | |
| 264 else | |
| 265 -- Is not for us or a local user, route accordingly | |
| 266 route_s2s_stanza(stanza); | |
| 267 end | |
| 268 end | |
| 269 | |
| 270 function handle_stanza_no_to(session, stanza) | |
| 271 if not stanza.attr.id then log("warn", "<iq> without id attribute is invalid"); end | |
| 272 local xmlns = (stanza.tags[1].attr and stanza.tags[1].attr.xmlns); | |
| 273 if stanza.attr.type == "get" or stanza.attr.type == "set" then | |
| 274 if iq_handlers[xmlns] then | |
| 275 if iq_handlers[xmlns](stanza) then return; end; -- If handler returns true, it handled it | |
| 276 end | |
| 277 -- Oh, handler didn't handle it. Need to send service-unavailable now. | |
| 278 log("warn", "Unhandled namespace: "..xmlns); | |
| 279 session:send(format("<iq type='error' id='%s'><error type='cancel'><service-unavailable/></error></iq>", stanza.attr.id)); | |
| 280 return; -- All done! | |
| 281 end | |
| 282 end | |
| 283 | |
| 284 function handle_stanza_to_local_user(stanza) | |
| 285 if stanza.name == "message" then | |
| 286 handle_stanza_message_to_local_user(stanza); | |
| 287 elseif stanza.name == "presence" then | |
| 288 handle_stanza_presence_to_local_user(stanza); | |
| 289 elseif stanza.name == "iq" then | |
| 290 handle_stanza_iq_to_local_user(stanza); | |
| 291 end | |
| 292 end | |
| 293 | |
| 294 function handle_stanza_message_to_local_user(stanza) | |
| 295 local node, host, resource = stanza.to.node, stanza.to.host, stanza.to.resource; | |
| 296 local destuser = hosts[host].sessions[node]; | |
| 297 if destuser then | |
| 298 if resource and destuser[resource] then | |
| 299 destuser[resource]:send(stanza); | |
| 300 else | |
| 301 -- Bare JID, or resource offline | |
| 302 local best_session; | |
| 303 for resource, session in pairs(destuser.sessions) do | |
| 304 if not best_session then best_session = session; | |
| 305 elseif session.priority >= best_session.priority and session.priority >= 0 then | |
| 306 best_session = session; | |
| 307 end | |
| 308 end | |
| 309 if not best_session then | |
| 310 offlinemessage.new(node, host, stanza); | |
| 311 else | |
| 312 print("resource '"..resource.."' was not online, have chosen to send to '"..best_session.username.."@"..best_session.host.."/"..best_session.resource.."'"); | |
| 313 destuser[best_session]:send(stanza); | |
| 314 end | |
| 315 end | |
| 316 else | |
| 317 -- User is offline | |
| 318 offlinemessage.new(node, host, stanza); | |
| 319 end | |
| 320 end | |
| 321 | |
| 322 function handle_stanza_presence_to_local_user(stanza) | |
| 323 local node, host, resource = stanza.to.node, stanza.to.host, stanza.to.resource; | |
| 324 local destuser = hosts[host].sessions[node]; | |
| 325 if destuser then | |
| 326 if resource then | |
| 327 if destuser[resource] then | |
| 328 destuser[resource]:send(stanza); | |
| 329 else | |
| 330 return; | |
| 331 end | |
| 332 else | |
| 333 -- Broadcast to all user's resources | |
| 334 for resource, session in pairs(destuser.sessions) do | |
| 335 session:send(stanza); | |
| 336 end | |
| 337 end | |
| 338 end | |
| 339 end | |
| 340 | |
| 341 function handle_stanza_iq_to_local_user(stanza) | |
| 342 | |
| 343 end | |
| 344 | |
| 345 function foo() | |
| 346 local node, host, resource = stanza.to.node, stanza.to.host, stanza.to.resource; | |
| 347 local destuser = hosts[host].sessions[node]; | |
| 348 if destuser and destuser.sessions then | |
| 349 -- User online | |
| 350 if resource and destuser.sessions[resource] then | |
| 351 stanza.to:send(stanza); | |
| 352 else | |
| 353 --User is online, but specified resource isn't (or no resource specified) | |
| 354 local best_session; | |
| 355 for resource, session in pairs(destuser.sessions) do | |
| 356 if not best_session then best_session = session; | |
| 357 elseif session.priority >= best_session.priority and session.priority >= 0 then | |
| 358 best_session = session; | |
| 359 end | |
| 360 end | |
| 361 if not best_session then | |
| 362 offlinemessage.new(node, host, stanza); | |
| 363 else | |
| 364 print("resource '"..resource.."' was not online, have chosen to send to '"..best_session.username.."@"..best_session.host.."/"..best_session.resource.."'"); | |
| 365 resource = best_session.resource; | |
| 366 end | |
| 367 end | |
| 368 if destuser.sessions[resource] == session then | |
| 369 log("warn", "core", "Attempt to send stanza to self, dropping..."); | |
| 370 else | |
| 371 print("...sending...", tostring(stanza)); | |
| 372 --destuser.sessions[resource].conn.write(tostring(data)); | |
| 373 print(" to conn ", destuser.sessions[resource].conn); | |
| 374 destuser.sessions[resource].conn.write(tostring(stanza)); | |
| 375 print("...sent") | |
| 376 end | |
| 377 elseif stanza.name == "message" then | |
| 378 print(" ...will be stored offline"); | |
| 379 offlinemessage.new(node, host, stanza); | |
| 380 elseif stanza.name == "iq" then | |
| 381 print(" ...is an iq"); | |
| 382 stanza.from:send(st.reply(stanza) | |
| 383 :tag("error", { type = "cancel" }) | |
| 384 :tag("service-unavailable", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" })); | |
| 385 end | |
| 386 end | |
| 387 | |
| 388 -- Broadcast a presence stanza to all of a user's contacts | |
| 389 function handle_stanza_presence_broadcast(session, stanza) | |
| 390 if session.roster then | |
| 391 local initial_presence = not session.last_presence; | |
| 392 session.last_presence = stanza; | |
| 393 | |
| 394 -- Broadcast presence and probes | |
| 395 local broadcast = st.presence({ from = session.full_jid, type = stanza.attr.type }); | |
| 396 | |
| 397 for child in stanza:childtags() do | |
| 398 broadcast:add_child(child); | |
| 399 end | |
| 400 for contact_jid in pairs(session.roster) do | |
| 401 broadcast.attr.to = contact_jid; | |
| 402 send_to(contact_jid, broadcast); | |
| 403 if initial_presence then | |
| 404 local node, host = jid.split(contact_jid); | |
| 405 if hosts[host] and hosts[host].type == "local" then | |
| 406 local contact = hosts[host].sessions[node] | |
| 407 if contact then | |
| 408 local pres = st.presence { to = session.full_jid }; | |
| 409 for resource, contact_session in pairs(contact.sessions) do | |
| 410 if contact_session.last_presence then | |
| 411 pres.tags = contact_session.last_presence.tags; | |
| 412 pres.attr.from = contact_session.full_jid; | |
| 413 send(pres); | |
| 414 end | |
| 415 end | |
| 416 end | |
| 417 --FIXME: Do we send unavailable if they are offline? | |
| 418 else | |
| 419 probe.attr.to = contact; | |
| 420 send_to(contact, probe); | |
| 421 end | |
| 422 end | |
| 423 end | |
| 424 | |
| 425 -- Probe for our contacts' presence | |
| 426 end | |
| 427 end | |
| 428 | |
| 429 -- Broadcast presence probes to all of a user's contacts | |
| 430 function handle_stanza_presence_probe_broadcast(session, stanza) | |
| 431 end | |
| 432 | |
| 433 -- | |
| 434 function handle_stanza_to_server(stanza) | |
| 435 end | |
| 436 | |
| 437 function handle_stanza_iq_no_to(session, stanza) | |
| 438 end | |
| 439 ]] |
