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mod_muc_cloud_notify/mod_muc_cloud_notify.lua @ 3803:dc2b5a412286
mod_rest: Log sent and received stanzas in style of mod_c2s etc
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Wed, 01 Jan 2020 05:36:09 +0100 |
| parent | 3570:8a93af85f319 |
| child | 3882:3b8f4f3b1718 |
| rev | line source |
|---|---|
| 3319 | 1 -- XEP-XXX: MUC Push Notifications |
| 2 -- Copyright (C) 2015-2016 Kim Alvefur | |
| 3 -- Copyright (C) 2017-2018 Thilo Molitor | |
| 4 -- | |
| 5 -- This file is MIT/X11 licensed. | |
| 6 | |
| 7 local s_match = string.match; | |
| 8 local s_sub = string.sub; | |
| 9 local os_time = os.time; | |
| 10 local next = next; | |
| 11 local st = require"util.stanza"; | |
| 12 local jid = require"util.jid"; | |
| 13 local dataform = require"util.dataforms".new; | |
| 14 local hashes = require"util.hashes"; | |
| 15 | |
| 16 local xmlns_push = "urn:xmpp:push:0"; | |
| 17 | |
| 18 -- configuration | |
| 19 local include_body = module:get_option_boolean("push_notification_with_body", false); | |
| 20 local include_sender = module:get_option_boolean("push_notification_with_sender", false); | |
| 21 local max_push_errors = module:get_option_number("push_max_errors", 16); | |
| 22 local max_push_devices = module:get_option_number("push_max_devices", 5); | |
| 23 local dummy_body = module:get_option_string("push_notification_important_body", "New Message!"); | |
| 24 | |
| 25 local host_sessions = prosody.hosts[module.host].sessions; | |
| 26 local push_errors = {}; | |
| 27 local id2node = {}; | |
| 28 | |
| 29 module:depends("muc"); | |
| 30 | |
| 31 -- ordered table iterator, allow to iterate on the natural order of the keys of a table, | |
| 32 -- see http://lua-users.org/wiki/SortedIteration | |
| 33 local function __genOrderedIndex( t ) | |
| 34 local orderedIndex = {} | |
| 35 for key in pairs(t) do | |
| 36 table.insert( orderedIndex, key ) | |
| 37 end | |
| 38 -- sort in reverse order (newest one first) | |
| 39 table.sort( orderedIndex, function(a, b) | |
| 40 if a == nil or t[a] == nil or b == nil or t[b] == nil then return false end | |
| 41 -- only one timestamp given, this is the newer one | |
| 42 if t[a].timestamp ~= nil and t[b].timestamp == nil then return true end | |
| 43 if t[a].timestamp == nil and t[b].timestamp ~= nil then return false end | |
| 44 -- both timestamps given, sort normally | |
| 45 if t[a].timestamp ~= nil and t[b].timestamp ~= nil then return t[a].timestamp > t[b].timestamp end | |
| 46 return false -- normally not reached | |
| 47 end) | |
| 48 return orderedIndex | |
| 49 end | |
| 50 local function orderedNext(t, state) | |
| 51 -- Equivalent of the next function, but returns the keys in timestamp | |
| 52 -- order. We use a temporary ordered key table that is stored in the | |
| 53 -- table being iterated. | |
| 54 | |
| 55 local key = nil | |
| 56 --print("orderedNext: state = "..tostring(state) ) | |
| 57 if state == nil then | |
| 58 -- the first time, generate the index | |
| 59 t.__orderedIndex = __genOrderedIndex( t ) | |
| 60 key = t.__orderedIndex[1] | |
| 61 else | |
| 62 -- fetch the next value | |
| 63 for i = 1, #t.__orderedIndex do | |
| 64 if t.__orderedIndex[i] == state then | |
| 65 key = t.__orderedIndex[i+1] | |
| 66 end | |
| 67 end | |
| 68 end | |
| 69 | |
| 70 if key then | |
| 71 return key, t[key] | |
| 72 end | |
| 73 | |
| 74 -- no more value to return, cleanup | |
| 75 t.__orderedIndex = nil | |
| 76 return | |
| 77 end | |
| 78 local function orderedPairs(t) | |
| 79 -- Equivalent of the pairs() function on tables. Allows to iterate | |
| 80 -- in order | |
| 81 return orderedNext, t, nil | |
| 82 end | |
| 83 | |
| 84 -- small helper function to return new table with only "maximum" elements containing only the newest entries | |
| 85 local function reduce_table(table, maximum) | |
| 86 local count = 0; | |
| 87 local result = {}; | |
| 88 for key, value in orderedPairs(table) do | |
| 89 count = count + 1; | |
| 90 if count > maximum then break end | |
| 91 result[key] = value; | |
| 92 end | |
| 93 return result; | |
| 94 end | |
| 95 | |
| 96 -- For keeping state across reloads while caching reads | |
| 97 local push_store = (function() | |
| 98 local store = module:open_store(); | |
| 99 local push_services = {}; | |
| 100 local api = {}; | |
| 101 function api:get(user) | |
| 102 if not push_services[user] then | |
| 103 local err; | |
| 104 push_services[user], err = store:get(user); | |
| 105 if not push_services[user] and err then | |
| 106 module:log("warn", "Error reading push notification storage for user '%s': %s", user, tostring(err)); | |
| 107 push_services[user] = {}; | |
| 108 return push_services[user], false; | |
| 109 end | |
| 110 end | |
| 111 if not push_services[user] then push_services[user] = {} end | |
| 112 return push_services[user], true; | |
| 113 end | |
| 114 function api:set(user, data) | |
| 115 push_services[user] = reduce_table(data, max_push_devices); | |
| 116 local ok, err = store:set(user, push_services[user]); | |
| 117 if not ok then | |
| 118 module:log("error", "Error writing push notification storage for user '%s': %s", user, tostring(err)); | |
| 119 return false; | |
| 120 end | |
| 121 return true; | |
| 122 end | |
| 123 function api:set_identifier(user, push_identifier, data) | |
| 124 local services = self:get(user); | |
| 125 services[push_identifier] = data; | |
| 126 return self:set(user, services); | |
| 127 end | |
| 128 return api; | |
| 129 end)(); | |
| 130 | |
| 131 | |
| 132 -- Forward declarations, as both functions need to reference each other | |
| 133 local handle_push_success, handle_push_error; | |
| 134 | |
| 135 function handle_push_error(event) | |
| 136 local stanza = event.stanza; | |
| 137 local error_type, condition = stanza:get_error(); | |
| 138 local node = id2node[stanza.attr.id]; | |
| 139 if node == nil then return false; end -- unknown stanza? Ignore for now! | |
| 140 local from = stanza.attr.from; | |
| 141 local user_push_services = push_store:get(node); | |
| 142 local changed = false; | |
| 143 | |
| 144 for push_identifier, _ in pairs(user_push_services) do | |
| 145 local stanza_id = hashes.sha256(push_identifier, true); | |
| 146 if stanza_id == stanza.attr.id then | |
| 147 if user_push_services[push_identifier] and user_push_services[push_identifier].jid == from and error_type ~= "wait" then | |
| 148 push_errors[push_identifier] = push_errors[push_identifier] + 1; | |
| 149 module:log("info", "Got error of type '%s' (%s) for identifier '%s': " | |
| 150 .."error count for this identifier is now at %s", error_type, condition, push_identifier, | |
| 151 tostring(push_errors[push_identifier])); | |
| 152 if push_errors[push_identifier] >= max_push_errors then | |
| 153 module:log("warn", "Disabling push notifications for identifier '%s'", push_identifier); | |
| 154 -- remove push settings from sessions | |
| 155 if host_sessions[node] then | |
| 156 for _, session in pairs(host_sessions[node].sessions) do | |
| 157 if session.push_identifier == push_identifier then | |
| 158 session.push_identifier = nil; | |
| 159 session.push_settings = nil; | |
| 160 session.first_hibernated_push = nil; | |
| 161 end | |
| 162 end | |
| 163 end | |
| 164 -- save changed global config | |
| 165 changed = true; | |
| 166 user_push_services[push_identifier] = nil | |
| 167 push_errors[push_identifier] = nil; | |
| 168 -- unhook iq handlers for this identifier (if possible) | |
| 169 if module.unhook then | |
| 170 module:unhook("iq-error/host/"..stanza_id, handle_push_error); | |
| 171 module:unhook("iq-result/host/"..stanza_id, handle_push_success); | |
| 172 id2node[stanza_id] = nil; | |
| 173 end | |
| 174 end | |
| 175 elseif user_push_services[push_identifier] and user_push_services[push_identifier].jid == from and error_type == "wait" then | |
| 176 module:log("debug", "Got error of type '%s' (%s) for identifier '%s': " | |
| 177 .."NOT increasing error count for this identifier", error_type, condition, push_identifier); | |
| 178 end | |
| 179 end | |
| 180 end | |
| 181 if changed then | |
| 182 push_store:set(node, user_push_services); | |
| 183 end | |
| 184 return true; | |
| 185 end | |
| 186 | |
| 187 function handle_push_success(event) | |
| 188 local stanza = event.stanza; | |
| 189 local node = id2node[stanza.attr.id]; | |
| 190 if node == nil then return false; end -- unknown stanza? Ignore for now! | |
| 191 local from = stanza.attr.from; | |
| 192 local user_push_services = push_store:get(node); | |
| 193 | |
| 194 for push_identifier, _ in pairs(user_push_services) do | |
| 195 if hashes.sha256(push_identifier, true) == stanza.attr.id then | |
| 196 if user_push_services[push_identifier] and user_push_services[push_identifier].jid == from and push_errors[push_identifier] > 0 then | |
| 197 push_errors[push_identifier] = 0; | |
| 198 module:log("debug", "Push succeeded, error count for identifier '%s' is now at %s again", push_identifier, tostring(push_errors[push_identifier])); | |
| 199 end | |
| 200 end | |
| 201 end | |
| 202 return true; | |
| 203 end | |
| 204 | |
| 205 -- http://xmpp.org/extensions/xep-0357.html#disco | |
| 206 local function account_dico_info(event) | |
| 207 (event.reply or event.stanza):tag("feature", {var=xmlns_push}):up(); | |
| 208 end | |
| 209 module:hook("account-disco-info", account_dico_info); | |
| 210 | |
| 211 -- http://xmpp.org/extensions/xep-0357.html#enabling | |
| 212 local function push_enable(event) | |
| 213 local origin, stanza = event.origin, event.stanza; | |
| 214 local enable = stanza.tags[1]; | |
| 215 origin.log("debug", "Attempting to enable push notifications"); | |
| 216 -- MUST contain a 'jid' attribute of the XMPP Push Service being enabled | |
| 217 local push_jid = enable.attr.jid; | |
| 218 -- SHOULD contain a 'node' attribute | |
| 219 local push_node = enable.attr.node; | |
| 220 -- CAN contain a 'include_payload' attribute | |
| 221 local include_payload = enable.attr.include_payload; | |
| 222 if not push_jid then | |
| 223 origin.log("debug", "MUC Push notification enable request missing the 'jid' field"); | |
| 224 origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing jid")); | |
| 225 return true; | |
| 226 end | |
| 227 local publish_options = enable:get_child("x", "jabber:x:data"); | |
| 228 if not publish_options then | |
| 229 -- Could be intentional | |
| 230 origin.log("debug", "No publish options in request"); | |
| 231 end | |
| 232 local push_identifier = push_jid .. "<" .. (push_node or ""); | |
| 233 local push_service = { | |
| 234 jid = push_jid; | |
| 235 node = push_node; | |
| 236 include_payload = include_payload; | |
| 237 options = publish_options and st.preserialize(publish_options); | |
| 238 timestamp = os_time(); | |
| 239 }; | |
| 240 local ok = push_store:set_identifier(origin.username.."@"..origin.host, push_identifier, push_service); | |
| 241 if not ok then | |
| 242 origin.send(st.error_reply(stanza, "wait", "internal-server-error")); | |
| 243 else | |
| 244 origin.push_identifier = push_identifier; | |
| 245 origin.push_settings = push_service; | |
| 246 origin.first_hibernated_push = nil; | |
| 247 origin.log("info", "MUC Push notifications enabled for %s by %s (%s)", | |
| 248 tostring(stanza.attr.to), | |
| 249 tostring(stanza.attr.from), | |
| 250 tostring(origin.push_identifier) | |
| 251 ); | |
| 252 origin.send(st.reply(stanza)); | |
| 253 end | |
| 254 return true; | |
| 255 end | |
| 256 module:hook("iq-set/host/"..xmlns_push..":enable", push_enable); | |
| 257 | |
| 258 | |
| 259 -- http://xmpp.org/extensions/xep-0357.html#disabling | |
| 260 local function push_disable(event) | |
| 261 local origin, stanza = event.origin, event.stanza; | |
| 262 local push_jid = stanza.tags[1].attr.jid; -- MUST include a 'jid' attribute | |
| 263 local push_node = stanza.tags[1].attr.node; -- A 'node' attribute MAY be included | |
| 264 if not push_jid then | |
| 265 origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing jid")); | |
| 266 return true; | |
| 267 end | |
| 268 local user_push_services = push_store:get(origin.username); | |
| 269 for key, push_info in pairs(user_push_services) do | |
| 270 if push_info.jid == push_jid and (not push_node or push_info.node == push_node) then | |
| 271 origin.log("info", "Push notifications disabled (%s)", tostring(key)); | |
| 272 if origin.push_identifier == key then | |
| 273 origin.push_identifier = nil; | |
| 274 origin.push_settings = nil; | |
| 275 origin.first_hibernated_push = nil; | |
| 276 end | |
| 277 user_push_services[key] = nil; | |
| 278 push_errors[key] = nil; | |
| 279 if module.unhook then | |
| 280 module:unhook("iq-error/host/"..key, handle_push_error); | |
| 281 module:unhook("iq-result/host/"..key, handle_push_success); | |
| 282 id2node[key] = nil; | |
| 283 end | |
| 284 end | |
| 285 end | |
| 286 local ok = push_store:set(origin.username, user_push_services); | |
| 287 if not ok then | |
| 288 origin.send(st.error_reply(stanza, "wait", "internal-server-error")); | |
| 289 else | |
| 290 origin.send(st.reply(stanza)); | |
| 291 end | |
| 292 return true; | |
| 293 end | |
| 294 module:hook("iq-set/host/"..xmlns_push..":disable", push_disable); | |
| 295 | |
| 296 -- Patched version of util.stanza:find() that supports giving stanza names | |
| 297 -- without their namespace, allowing for every namespace. | |
| 298 local function find(self, path) | |
| 299 local pos = 1; | |
| 300 local len = #path + 1; | |
| 301 | |
| 302 repeat | |
| 303 local xmlns, name, text; | |
| 304 local char = s_sub(path, pos, pos); | |
| 305 if char == "@" then | |
| 306 return self.attr[s_sub(path, pos + 1)]; | |
| 307 elseif char == "{" then | |
| 308 xmlns, pos = s_match(path, "^([^}]+)}()", pos + 1); | |
| 309 end | |
| 310 name, text, pos = s_match(path, "^([^@/#]*)([/#]?)()", pos); | |
| 311 name = name ~= "" and name or nil; | |
| 312 if pos == len then | |
| 313 if text == "#" then | |
| 314 local child = xmlns ~= nil and self:get_child(name, xmlns) or self:child_with_name(name); | |
| 315 return child and child:get_text() or nil; | |
| 316 end | |
| 317 return xmlns ~= nil and self:get_child(name, xmlns) or self:child_with_name(name); | |
| 318 end | |
| 319 self = xmlns ~= nil and self:get_child(name, xmlns) or self:child_with_name(name); | |
| 320 until not self | |
| 321 return nil; | |
| 322 end | |
| 323 | |
| 324 -- is this push a high priority one (this is needed for ios apps not using voip pushes) | |
| 325 local function is_important(stanza) | |
| 326 local st_name = stanza and stanza.name or nil; | |
| 327 if not st_name then return false; end -- nonzas are never important here | |
| 328 if st_name == "presence" then | |
| 329 return false; -- same for presences | |
| 330 elseif st_name == "message" then | |
| 331 -- unpack carbon copies | |
| 332 local stanza_direction = "in"; | |
| 333 local carbon; | |
| 334 local st_type; | |
| 335 -- support carbon copied message stanzas having an arbitrary message-namespace or no message-namespace at all | |
| 336 if not carbon then carbon = find(stanza, "{urn:xmpp:carbons:2}/forwarded/message"); end | |
| 337 if not carbon then carbon = find(stanza, "{urn:xmpp:carbons:1}/forwarded/message"); end | |
| 338 stanza_direction = carbon and stanza:child_with_name("sent") and "out" or "in"; | |
| 339 if carbon then stanza = carbon; end | |
| 340 st_type = stanza.attr.type; | |
| 341 | |
| 342 -- headline message are always not important | |
| 343 if st_type == "headline" then return false; end | |
| 344 | |
| 345 -- carbon copied outgoing messages are not important | |
| 346 if carbon and stanza_direction == "out" then return false; end | |
| 347 | |
| 348 -- We can't check for body contents in encrypted messages, so let's treat them as important | |
| 349 -- Some clients don't even set a body or an empty body for encrypted messages | |
| 350 | |
| 351 -- check omemo https://xmpp.org/extensions/inbox/omemo.html | |
| 352 if stanza:get_child("encrypted", "eu.siacs.conversations.axolotl") or stanza:get_child("encrypted", "urn:xmpp:omemo:0") then return true; end | |
| 353 | |
| 354 -- check xep27 pgp https://xmpp.org/extensions/xep-0027.html | |
| 355 if stanza:get_child("x", "jabber:x:encrypted") then return true; end | |
| 356 | |
| 357 -- check xep373 pgp (OX) https://xmpp.org/extensions/xep-0373.html | |
| 358 if stanza:get_child("openpgp", "urn:xmpp:openpgp:0") then return true; end | |
| 359 | |
| 360 local body = stanza:get_child_text("body"); | |
| 361 if st_type == "groupchat" and stanza:get_child_text("subject") then return false; end -- groupchat subjects are not important here | |
| 362 return body ~= nil and body ~= ""; -- empty bodies are not important | |
| 363 end | |
| 364 return false; -- this stanza wasn't one of the above cases --> it is not important, too | |
| 365 end | |
| 366 | |
| 367 local push_form = dataform { | |
| 368 { name = "FORM_TYPE"; type = "hidden"; value = "urn:xmpp:push:summary"; }; | |
| 369 { name = "message-count"; type = "text-single"; }; | |
| 370 { name = "pending-subscription-count"; type = "text-single"; }; | |
| 371 { name = "last-message-sender"; type = "jid-single"; }; | |
| 372 { name = "last-message-body"; type = "text-single"; }; | |
| 373 }; | |
| 374 | |
| 375 -- http://xmpp.org/extensions/xep-0357.html#publishing | |
| 376 local function handle_notify_request(stanza, node, user_push_services, log_push_decline) | |
| 377 local pushes = 0; | |
| 378 if not user_push_services or next(user_push_services) == nil then return pushes end | |
| 379 | |
| 380 -- XXX: customized | |
| 381 local body = stanza:get_child_text("body"); | |
| 382 if not body then | |
| 383 return pushes; | |
| 384 end | |
| 385 | |
| 386 for push_identifier, push_info in pairs(user_push_services) do | |
| 387 local send_push = true; -- only send push to this node when not already done for this stanza or if no stanza is given at all | |
| 388 if stanza then | |
| 389 if not stanza._push_notify then stanza._push_notify = {}; end | |
| 390 if stanza._push_notify[push_identifier] then | |
| 391 if log_push_decline then | |
| 392 module:log("debug", "Already sent push notification for %s@%s to %s (%s)", node, module.host, push_info.jid, tostring(push_info.node)); | |
| 393 end | |
| 394 send_push = false; | |
| 395 end | |
| 396 stanza._push_notify[push_identifier] = true; | |
| 397 end | |
| 398 | |
| 399 if send_push then | |
| 400 -- construct push stanza | |
| 401 local stanza_id = hashes.sha256(push_identifier, true); | |
| 402 local push_publish = st.iq({ to = push_info.jid, from = module.host, type = "set", id = stanza_id }) | |
| 403 :tag("pubsub", { xmlns = "http://jabber.org/protocol/pubsub" }) | |
| 404 :tag("publish", { node = push_info.node }) | |
| 405 :tag("item") | |
| 406 :tag("notification", { xmlns = xmlns_push }); | |
| 407 local form_data = { | |
| 408 -- hardcode to 1 because other numbers are just meaningless (the XEP does not specify *what exactly* to count) | |
| 409 ["message-count"] = "1"; | |
| 410 }; | |
| 411 if stanza and include_sender then | |
| 412 form_data["last-message-sender"] = stanza.attr.from; | |
| 413 end | |
| 414 if stanza and include_body then | |
| 415 form_data["last-message-body"] = stanza:get_child_text("body"); | |
| 416 elseif stanza and dummy_body and is_important(stanza) then | |
| 417 form_data["last-message-body"] = tostring(dummy_body); | |
| 418 end | |
| 419 push_publish:add_child(push_form:form(form_data)); | |
| 420 push_publish:up(); -- / notification | |
| 421 push_publish:up(); -- / publish | |
| 422 push_publish:up(); -- / pubsub | |
| 423 if push_info.options then | |
| 424 push_publish:tag("publish-options"):add_child(st.deserialize(push_info.options)); | |
| 425 end | |
| 426 -- send out push | |
| 427 module:log("debug", "Sending%s push notification for %s@%s to %s (%s)", form_data["last-message-body"] and " important" or "", node, module.host, push_info.jid, tostring(push_info.node)); | |
| 428 -- module:log("debug", "PUSH STANZA: %s", tostring(push_publish)); | |
| 429 -- handle push errors for this node | |
| 430 if push_errors[push_identifier] == nil then | |
| 431 push_errors[push_identifier] = 0; | |
| 432 module:hook("iq-error/host/"..stanza_id, handle_push_error); | |
| 433 module:hook("iq-result/host/"..stanza_id, handle_push_success); | |
| 434 id2node[stanza_id] = node; | |
| 435 end | |
| 436 module:send(push_publish); | |
| 437 pushes = pushes + 1; | |
| 438 end | |
| 439 end | |
| 440 return pushes; | |
| 441 end | |
| 442 | |
|
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mod_muc_cloud_notify: Count codepoints instead of bytes
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parents:
3319
diff
changeset
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443 local function extract_reference(text, i, j) |
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mod_muc_cloud_notify: Count codepoints instead of bytes
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diff
changeset
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444 -- COMPAT w/ pre-Lua 5.3 |
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mod_muc_cloud_notify: Count codepoints instead of bytes
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diff
changeset
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445 local c, pos, p1 = 0, 0, nil; |
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mod_muc_cloud_notify: Count codepoints instead of bytes
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parents:
3319
diff
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446 for char in text:gmatch("([%z\1-\127\194-\244][\128-\191]*)") do |
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mod_muc_cloud_notify: Count codepoints instead of bytes
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parents:
3319
diff
changeset
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447 c, pos = c + 1, pos + #char; |
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8a93af85f319
mod_muc_cloud_notify: Count codepoints instead of bytes
Matthew Wild <mwild1@gmail.com>
parents:
3319
diff
changeset
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448 if not p1 and i < c then |
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8a93af85f319
mod_muc_cloud_notify: Count codepoints instead of bytes
Matthew Wild <mwild1@gmail.com>
parents:
3319
diff
changeset
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449 p1 = pos; |
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mod_muc_cloud_notify: Count codepoints instead of bytes
Matthew Wild <mwild1@gmail.com>
parents:
3319
diff
changeset
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450 end |
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8a93af85f319
mod_muc_cloud_notify: Count codepoints instead of bytes
Matthew Wild <mwild1@gmail.com>
parents:
3319
diff
changeset
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451 if c == j then |
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8a93af85f319
mod_muc_cloud_notify: Count codepoints instead of bytes
Matthew Wild <mwild1@gmail.com>
parents:
3319
diff
changeset
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452 return text:sub(p1, pos); |
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8a93af85f319
mod_muc_cloud_notify: Count codepoints instead of bytes
Matthew Wild <mwild1@gmail.com>
parents:
3319
diff
changeset
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453 end |
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8a93af85f319
mod_muc_cloud_notify: Count codepoints instead of bytes
Matthew Wild <mwild1@gmail.com>
parents:
3319
diff
changeset
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454 end |
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8a93af85f319
mod_muc_cloud_notify: Count codepoints instead of bytes
Matthew Wild <mwild1@gmail.com>
parents:
3319
diff
changeset
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455 end |
| 3319 | 456 |
| 457 -- archive message added | |
| 458 local function archive_message_added(event) | |
| 459 -- event is: { origin = origin, stanza = stanza, for_user = store_user, id = id } | |
| 460 -- only notify for new mam messages when at least one device is online | |
| 461 local room = event.room; | |
| 462 local stanza = event.stanza; | |
| 463 local body = stanza:get_child_text('body'); | |
| 464 | |
| 465 for reference in stanza:childtags("reference", "urn:xmpp:reference:0") do | |
| 466 if reference.attr['type'] == 'mention' and reference.attr['begin'] and reference.attr['end'] then | |
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mod_muc_cloud_notify: Count codepoints instead of bytes
Matthew Wild <mwild1@gmail.com>
parents:
3319
diff
changeset
|
467 local nick = extract_reference(body, reference.attr['begin'], reference.attr['end']); |
| 3319 | 468 local jid = room:get_registered_jid(nick); |
| 469 | |
| 470 if room._occupants[room.jid..'/'..nick] then | |
| 471 -- We only notify for members not currently in the room | |
| 472 module:log("debug", "Not notifying %s, because he's currently in the room", jid); | |
| 473 else | |
| 474 -- We only need to notify once, even when there are multiple mentions. | |
| 475 local user_push_services = push_store:get(jid); | |
| 476 handle_notify_request(event.stanza, jid, user_push_services, true); | |
| 477 return | |
| 478 end | |
| 479 end | |
| 480 end | |
| 481 end | |
| 482 | |
| 483 module:hook("muc-add-history", archive_message_added); | |
| 484 | |
| 485 local function send_ping(event) | |
| 486 local user = event.user; | |
| 487 local user_push_services = push_store:get(user); | |
| 488 local push_services = event.push_services or user_push_services; | |
| 489 handle_notify_request(nil, user, push_services, true); | |
| 490 end | |
| 491 -- can be used by other modules to ping one or more (or all) push endpoints | |
| 492 module:hook("cloud-notify-ping", send_ping); | |
| 493 | |
| 494 module:log("info", "Module loaded"); | |
| 495 function module.unload() | |
| 496 if module.unhook then | |
| 497 module:unhook("account-disco-info", account_dico_info); | |
| 498 module:unhook("iq-set/host/"..xmlns_push..":enable", push_enable); | |
| 499 module:unhook("iq-set/host/"..xmlns_push..":disable", push_disable); | |
| 500 | |
| 501 module:unhook("muc-add-history", archive_message_added); | |
| 502 module:unhook("cloud-notify-ping", send_ping); | |
| 503 | |
| 504 for push_identifier, _ in pairs(push_errors) do | |
| 505 local stanza_id = hashes.sha256(push_identifier, true); | |
| 506 module:unhook("iq-error/host/"..stanza_id, handle_push_error); | |
| 507 module:unhook("iq-result/host/"..stanza_id, handle_push_success); | |
| 508 id2node[stanza_id] = nil; | |
| 509 end | |
| 510 end | |
| 511 | |
| 512 module:log("info", "Module unloaded"); | |
| 513 end |
