Mercurial > prosody-modules
annotate mod_twitter/mod_twitter.lua @ 794:5a8fa70faa13
mod_pubsub_feeds: Remove config-reloaded hook, do setup in module.load() instead
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Wed, 15 Aug 2012 16:47:06 +0200 |
parents | 4f9cd19c4658 |
children | be509416d64c |
rev | line source |
---|---|
249 | 1 -- for Prosody |
2 -- via dersd | |
3 | |
4 if module:get_host_type() ~= "component" then | |
5 error(module.name.." should be loaded as a component, check out http://prosody.im/doc/components", 0); | |
6 end | |
7 | |
8 local jid_split = require "util.jid".split; | |
9 local st = require "util.stanza"; | |
10 local componentmanager = require "core.componentmanager"; | |
11 local datamanager = require "util.datamanager"; | |
12 local timer = require "util.timer"; | |
13 local http = require "net.http"; | |
790
4f9cd19c4658
mod_twitter: fixed to depend on Prosody's internal util.json. TODO: Discuss (MattJ, Zash, Waqas, Maranda) about migration all json content to use cjson ( http://www.kyne.com.au/~mark/software/lua-cjson-manual.html ) library instead
Vadim Misbakh-Soloviov <mva@mva.name>
parents:
249
diff
changeset
|
14 local json = require "util.json"; |
249 | 15 local base64 = require "util.encodings".base64; |
16 | |
17 local component_host = module:get_host(); | |
18 local component_name = module.name; | |
19 local data_cache = {}; | |
20 | |
21 function print_r(obj) | |
22 return require("util.serialization").serialize(obj); | |
23 end | |
24 | |
25 function send_stanza(stanza) | |
26 if stanza ~= nil then | |
27 core_route_stanza(prosody.hosts[component_host], stanza) | |
28 end | |
29 end | |
30 | |
31 function dmsg(jid, msg) | |
32 module:log("debug", msg or "nil"); | |
33 if jid ~= nil then | |
34 send_stanza(st.message({to=jid, from=component_host, type='chat'}):tag("body"):text(msg or "nil"):up()); | |
35 end | |
36 end | |
37 | |
38 function substring(string, start_string, ending_string) | |
39 local s_value_start, s_value_finish = nil, nil; | |
40 if start_string ~= nil then | |
41 _, s_value_start = string:find(start_string); | |
42 if s_value_start == nil then | |
43 -- error | |
44 return nil; | |
45 end | |
46 else | |
47 return nil; | |
48 end | |
49 if ending_string ~= nil then | |
50 _, s_value_finish = string:find(ending_string, s_value_start+1); | |
51 if s_value_finish == nil then | |
52 -- error | |
53 return nil; | |
54 end | |
55 else | |
56 s_value_finish = string:len()+1; | |
57 end | |
58 return string:sub(s_value_start+1, s_value_finish-1); | |
59 end | |
60 | |
61 local http_timeout = 30; | |
62 local http_queue = setmetatable({}, { __mode = "k" }); -- auto-cleaning nil elements | |
63 data_cache['prosody_os'] = prosody.platform; | |
64 data_cache['prosody_version'] = prosody.version; | |
65 local http_headers = { | |
66 ["User-Agent"] = "Prosody ("..data_cache['prosody_version'].."; "..data_cache['prosody_os']..")" --"ELinks (0.4pre5; Linux 2.4.27 i686; 80x25)", | |
67 }; | |
68 | |
69 function http_action_callback(response, code, request, xcallback) | |
70 if http_queue == nil or http_queue[request] == nil then return; end | |
71 local id = http_queue[request]; | |
72 http_queue[request] = nil; | |
73 if xcallback == nil then | |
74 dmsg(nil, "http_action_callback reports that xcallback is nil"); | |
75 else | |
76 xcallback(id, response, request); | |
77 end | |
78 return true; | |
79 end | |
80 | |
81 function http_add_action(tid, url, method, post, fcallback) | |
82 local request = http.request(url, { headers = http_headers or {}, body = http.formencode(post or {}), method = method or "GET" }, function(response, code, request) http_action_callback(response, code, request, fcallback) end); | |
83 http_queue[request] = tid; | |
84 timer.add_task(http_timeout, function() http.destroy_request(request); end); | |
85 return true; | |
86 end | |
87 | |
88 local users = setmetatable({}, {__mode="k"}); | |
89 local user = {}; | |
90 user.__index = user; | |
91 user.dosync = false; | |
92 user.valid = false; | |
93 user.data = {}; | |
94 | |
95 function user:login() | |
96 userdata = datamanager.load(self.jid, component_host, "data"); | |
97 if userdata ~= nil then | |
98 self.data = userdata; | |
99 if self.data['_twitter_sess'] ~= nil then | |
100 http_headers['Cookie'] = "_twitter_sess="..self.data['_twitter_sess']..";"; | |
101 end | |
102 send_stanza(st.presence({to=self.jid, from=component_host})); | |
103 self:twitterAction("VerifyCredentials"); | |
104 if self.data.dosync == 1 then | |
105 self.dosync = true; | |
106 timer.add_task(self.data.refreshrate, function() return users[self.jid]:sync(); end) | |
107 end | |
108 else | |
109 send_stanza(st.message({to=self.jid, from=component_host, type='chat'}):tag("body"):text("You are not signed in.")); | |
110 end | |
111 end | |
112 | |
113 function user:logout() | |
114 datamanager.store(self.jid, component_host, "data", self.data); | |
115 self.dosync = false; | |
116 send_stanza(st.presence({to=self.jid, from=component_host, type='unavailable'})); | |
117 end | |
118 | |
119 function user:sync() | |
120 if self.dosync then | |
121 table.foreach(self.data.synclines, function(ind, line) self:twitterAction(line.name, {sinceid=line.sinceid}) end); | |
122 return self.data.refreshrate; | |
123 end | |
124 end | |
125 | |
126 function user:signin() | |
127 if datamanager.load(self.jid, component_host, "data") == nil then | |
128 datamanager.store(self.jid, component_host, "data", {login=self.data.login, password=self.data.password, refreshrate=60, dosync=1, synclines={{name='HomeTimeline', sinceid=0}}, syncstatus=0}) | |
129 send_stanza(st.presence{to=self.jid, from=component_host, type='subscribe'}); | |
130 send_stanza(st.presence{to=self.jid, from=component_host, type='subscribed'}); | |
131 end | |
132 end | |
133 | |
134 function user:signout() | |
135 if datamanager.load(self.jid, component_host, "data") ~= nil then | |
136 datamanager.store(self.jid, component_host, "data", nil); | |
137 send_stanza(st.presence({to=self.jid, from=component_host, type='unavailable'})); | |
138 send_stanza(st.presence({to=self.jid, from=component_host, type='unsubscribe'})); | |
139 send_stanza(st.presence({to=self.jid, from=component_host, type='unsubscribed'})); | |
140 end | |
141 end | |
142 | |
143 local twitterApiUrl = "http://api.twitter.com"; | |
144 local twitterApiVersion = "1"; | |
145 local twitterApiDataType = "json"; | |
146 local twitterActionUrl = function(action) return twitterApiUrl.."/"..twitterApiVersion.."/"..action.."."..twitterApiDataType end; | |
147 local twitterActionMap = { | |
148 PublicTimeline = { | |
149 url = twitterActionUrl("statuses/public_timeline"), | |
150 method = "GET", | |
151 needauth = false, | |
152 }, | |
153 HomeTimeline = { | |
154 url = twitterActionUrl("statuses/home_timeline"), | |
155 method = "GET", | |
156 needauth = true, | |
157 }, | |
158 FriendsTimeline = { | |
159 url = twitterActionUrl("statuses/friends_timeline"), | |
160 method = "GET", | |
161 needauth = true, | |
162 }, | |
163 UserTimeline = { | |
164 url = twitterActionUrl("statuses/friends_timeline"), | |
165 method = "GET", | |
166 needauth = true, | |
167 }, | |
168 VerifyCredentials = { | |
169 url = twitterActionUrl("account/verify_credentials"), | |
170 method = "GET", | |
171 needauth = true, | |
172 }, | |
173 UpdateStatus = { | |
174 url = twitterActionUrl("statuses/update"), | |
175 method = "POST", | |
176 needauth = true, | |
177 }, | |
178 Retweet = { | |
179 url = twitterActionUrl("statuses/retweet/%tweetid"), | |
180 method = "POST", | |
181 needauth = true, | |
182 } | |
183 } | |
184 | |
185 function user:twitterAction(line, params) | |
186 local action = twitterActionMap[line]; | |
187 if action then | |
188 local url = action.url; | |
189 local post = {}; | |
190 --if action.needauth and not self.valid and line ~= "VerifyCredentials" then | |
191 -- return | |
192 --end | |
193 if action.needauth then | |
194 http_headers['Authorization'] = "Basic "..base64.encode(self.data.login..":"..self.data.password); | |
195 --url = string.gsub(url, "http\:\/\/", string.format("http://%s:%s@", self.data.login, self.data.password)); | |
196 end | |
197 if params and type(params) == "table" then | |
198 post = params; | |
199 end | |
200 if action.method == "GET" and post ~= {} then | |
201 url = url.."?"..http.formencode(post); | |
202 end | |
203 http_add_action(line, url, action.method, post, function(...) self:twitterActionResult(...) end); | |
204 else | |
205 send_stanza(st.message({to=self.jid, from=component_host, type='chat'}):tag("body"):text("Wrong twitter action!"):up()); | |
206 end | |
207 end | |
208 | |
209 local twitterActionResultMap = { | |
210 PublicTimeline = {exec=function(jid, response) | |
211 --send_stanza(st.message({to=jid, from=component_host, type='chat'}):tag("body"):text(print_r(response)):up()); | |
212 return | |
213 end}, | |
214 HomeTimeline = {exec=function(jid, response) | |
215 --send_stanza(st.message({to=jid, from=component_host, type='chat'}):tag("body"):text(print_r(response)):up()); | |
216 return | |
217 end}, | |
218 FriendsTimeline = {function(jid, response) | |
219 return | |
220 end}, | |
221 UserTimeline = {exec=function(jid, response) | |
222 return | |
223 end}, | |
224 VerifyCredentials = {exec=function(jid, response) | |
225 if response ~= nil and response.id ~= nil then | |
226 users[jid].valid = true; | |
227 users[jid].id = response.id; | |
228 end | |
229 return | |
230 end}, | |
231 UpdateStatus = {exec=function(jid, response) | |
232 return | |
233 end}, | |
234 Retweet = {exec=function(jid, response) | |
235 return | |
236 end} | |
237 } | |
238 | |
239 function user:twitterActionResult(id, response, request) | |
240 if request ~= nil and request.responseheaders['set-cookie'] ~= nil and request.responseheaders['location'] ~= nil then | |
241 --self.data['_twitter_sess'] = substring(request.responseheaders['set-cookie'], "_twitter_sess=", ";"); | |
242 --http_add_action(id, request.responseheaders['location'], "GET", {}, function(...) self:twitterActionResult(...) end); | |
243 return true; | |
244 end | |
245 local result, tmp_json = pcall(function() json.decode(response or "{}") end); | |
246 if result and id ~= nil then | |
247 twitterActionResultMap[id]:exec(self.jid, tmp_json); | |
248 end | |
249 return true; | |
250 end | |
251 | |
252 function iq_success(event) | |
253 local origin, stanza = event.origin, event.stanza; | |
254 local reply = data_cache.success; | |
255 if reply == nil then | |
256 reply = st.iq({type='result', from=stanza.attr.to or component_host}); | |
257 data_cache.success = reply; | |
258 end | |
259 reply.attr.id = stanza.attr.id; | |
260 reply.attr.to = stanza.attr.from; | |
261 origin.send(reply); | |
262 return true; | |
263 end | |
264 | |
265 function iq_disco_info(event) | |
266 local origin, stanza = event.origin, event.stanza; | |
267 local from = {}; | |
268 from.node, from.host, from.resource = jid_split(stanza.attr.from); | |
269 local bjid = from.node.."@"..from.host; | |
270 local reply = data_cache.disco_info; | |
271 if reply == nil then | |
272 reply = st.iq({type='result', from=stanza.attr.to or component_host}):query("http://jabber.org/protocol/disco#info") | |
273 :tag("identity", {category='gateway', type='chat', name=component_name}):up(); | |
274 reply = reply:tag("feature", {var="urn:xmpp:receipts"}):up(); | |
275 reply = reply:tag("feature", {var="http://jabber.org/protocol/commands"}):up(); | |
276 reply = reply:tag("feature", {var="jabber:iq:register"}):up(); | |
277 --reply = reply:tag("feature", {var="jabber:iq:time"}):up(); | |
278 --reply = reply:tag("feature", {var="jabber:iq:version"}):up(); | |
279 --reply = reply:tag("feature", {var="http://jabber.org/protocol/stats"}):up(); | |
280 data_cache.disco_info = reply; | |
281 end | |
282 reply.attr.id = stanza.attr.id; | |
283 reply.attr.to = stanza.attr.from; | |
284 origin.send(reply); | |
285 return true; | |
286 end | |
287 | |
288 function iq_disco_items(event) | |
289 local origin, stanza = event.origin, event.stanza; | |
290 local reply = data_cache.disco_items; | |
291 if reply == nil then | |
292 reply = st.iq({type='result', from=stanza.attr.to or component_host}):query("http://jabber.org/protocol/disco#items"); | |
293 data_cache.disco_items = reply; | |
294 end | |
295 reply.attr.id = stanza.attr.id; | |
296 reply.attr.to = stanza.attr.from; | |
297 origin.send(reply); | |
298 return true; | |
299 end | |
300 | |
301 function iq_register(event) | |
302 local origin, stanza = event.origin, event.stanza; | |
303 if stanza.attr.type == "get" then | |
304 local reply = data_cache.registration_form; | |
305 if reply == nil then | |
306 reply = st.iq({type='result', from=stanza.attr.to or component_host}) | |
307 :tag("query", { xmlns="jabber:iq:register" }) | |
308 :tag("instructions"):text("Enter your twitter data"):up() | |
309 :tag("username"):up() | |
310 :tag("password"):up(); | |
311 data_cache.registration_form = reply | |
312 end | |
313 reply.attr.id = stanza.attr.id; | |
314 reply.attr.to = stanza.attr.from; | |
315 origin.send(reply); | |
316 elseif stanza.attr.type == "set" then | |
317 local from = {}; | |
318 from.node, from.host, from.resource = jid_split(stanza.attr.from); | |
319 local bjid = from.node.."@"..from.host; | |
320 local username, password = "", ""; | |
321 local reply; | |
322 for _, tag in ipairs(stanza.tags[1].tags) do | |
323 if tag.name == "remove" then | |
324 users[bjid]:signout(); | |
325 iq_success(event); | |
326 return true; | |
327 end | |
328 if tag.name == "username" then | |
329 username = tag[1]; | |
330 end | |
331 if tag.name == "password" then | |
332 password = tag[1]; | |
333 end | |
334 end | |
335 if username ~= nil and password ~= nil then | |
336 users[bjid] = setmetatable({}, user); | |
337 users[bjid].jid = bjid; | |
338 users[bjid].data.login = username; | |
339 users[bjid].data.password = password; | |
340 users[bjid]:signin(); | |
341 users[bjid]:login(); | |
342 end | |
343 iq_success(event); | |
344 return true; | |
345 end | |
346 end | |
347 | |
348 function presence_stanza_handler(event) | |
349 local origin, stanza = event.origin, event.stanza; | |
350 local to = {}; | |
351 local from = {}; | |
352 local pres = {}; | |
353 to.node, to.host, to.resource = jid_split(stanza.attr.to); | |
354 from.node, from.host, from.resource = jid_split(stanza.attr.from); | |
355 pres.type = stanza.attr.type; | |
356 for _, tag in ipairs(stanza.tags) do pres[tag.name] = tag[1]; end | |
357 local from_bjid = nil; | |
358 if from.node ~= nil and from.host ~= nil then | |
359 from_bjid = from.node.."@"..from.host; | |
360 elseif from.host ~= nil then | |
361 from_bjid = from.host; | |
362 end | |
363 if pres.type == nil then | |
364 if users[from_bjid] ~= nil then | |
365 -- Status change | |
366 if pres['status'] ~= nil and users[from_bjid]['data']['sync_status'] then | |
367 users[from_bjid]:twitterAction("UpdateStatus", {status=pres['status']}); | |
368 end | |
369 else | |
370 -- User login request | |
371 users[from_bjid] = setmetatable({}, user); | |
372 users[from_bjid].jid = from_bjid; | |
373 users[from_bjid]:login(); | |
374 end | |
375 origin.send(st.presence({to=from_bjid, from=component_host})); | |
376 elseif pres.type == 'subscribe' and users[from_bjid] ~= nil then | |
377 origin.send(st.presence{to=from_bjid, from=component_host, type='subscribed'}); | |
378 elseif pres.type == 'unsubscribed' and users[from_bjid] ~= nil then | |
379 users[from_bjid]:logout(); | |
380 users[from_bjid]:signout(); | |
381 users[from_bjid] = nil; | |
382 elseif pres.type == 'unavailable' and users[from_bjid] ~= nil then | |
383 users[from_bjid]:logout(); | |
384 users[from_bjid] = nil; | |
385 end | |
386 return true; | |
387 end | |
388 | |
389 function confirm_message_delivery(event) | |
390 local reply = st.message({id=event.stanza.attr.id, to=event.stanza.attr.from, from=event.stanza.attr.to or component_host}):tag("received", {xmlns = "urn:xmpp:receipts"}); | |
391 origin.send(reply); | |
392 return true; | |
393 end | |
394 | |
395 function message_stanza_handler(event) | |
396 local origin, stanza = event.origin, event.stanza; | |
397 local to = {}; | |
398 local from = {}; | |
399 local msg = {}; | |
400 to.node, to.host, to.resource = jid_split(stanza.attr.to); | |
401 from.node, from.host, from.resource = jid_split(stanza.attr.from); | |
402 local bjid = nil; | |
403 if from.node ~= nil and from.host ~= nil then | |
404 from_bjid = from.node.."@"..from.host; | |
405 elseif from.host ~= nil then | |
406 from_bjid = from.host; | |
407 end | |
408 local to_bjid = nil; | |
409 if to.node ~= nil and to.host ~= nil then | |
410 to_bjid = to.node.."@"..to.host; | |
411 elseif to.host ~= nil then | |
412 to_bjid = to.host; | |
413 end | |
414 for _, tag in ipairs(stanza.tags) do | |
415 msg[tag.name] = tag[1]; | |
416 if tag.attr.xmlns == "urn:xmpp:receipts" then | |
417 confirm_message_delivery({origin=origin, stanza=stanza}); | |
418 end | |
419 -- can handle more xmlns | |
420 end | |
421 -- Now parse the message | |
422 if stanza.attr.to == component_host then | |
423 if msg.body == "!myinfo" then | |
424 if users[from_bjid] ~= nil then | |
425 origin.send(st.message({to=stanza.attr.from, from=component_host, type='chat'}):tag("body"):text(print_r(users[from_bjid])):up()); | |
426 end | |
427 end | |
428 -- Other messages go to twitter | |
429 user:twitterAction("UpdateStatus", {status=msg.body}); | |
430 else | |
431 -- Message to uid@host/resource | |
432 end | |
433 return true; | |
434 end | |
435 | |
436 module:hook("presence/host", presence_stanza_handler); | |
437 module:hook("message/host", message_stanza_handler); | |
438 | |
439 module:hook("iq/host/jabber:iq:register:query", iq_register); | |
440 module:hook("iq/host/http://jabber.org/protocol/disco#info:query", iq_disco_info); | |
441 module:hook("iq/host/http://jabber.org/protocol/disco#items:query", iq_disco_items); | |
442 module:hook("iq/host", function(data) | |
443 -- IQ to a local host recieved | |
444 local origin, stanza = data.origin, data.stanza; | |
445 if stanza.attr.type == "get" or stanza.attr.type == "set" then | |
446 return module:fire_event("iq/host/"..stanza.tags[1].attr.xmlns..":"..stanza.tags[1].name, data); | |
447 else | |
448 module:fire_event("iq/host/"..stanza.attr.id, data); | |
449 return true; | |
450 end | |
451 end); | |
452 | |
453 module.unload = function() | |
454 componentmanager.deregister_component(component_host); | |
455 end | |
456 component = componentmanager.register_component(component_host, function() return; end); |