diff options
Diffstat (limited to 'plugins/mod_pep.lua')
| -rw-r--r-- | plugins/mod_pep.lua | 121 |
1 files changed, 52 insertions, 69 deletions
diff --git a/plugins/mod_pep.lua b/plugins/mod_pep.lua index aa46d2d3..bd6f4b29 100644 --- a/plugins/mod_pep.lua +++ b/plugins/mod_pep.lua @@ -16,9 +16,7 @@ local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed local pairs, ipairs = pairs, ipairs; local next = next; local type = type; -local load_roster = require "core.rostermanager".load_roster; -local sha1 = require "util.hashes".sha1; -local base64 = require "util.encodings".base64.encode; +local calculate_hash = require "util.caps".calculate_hash; local NULL = {}; local data = {}; @@ -40,8 +38,8 @@ module:add_feature("http://jabber.org/protocol/pubsub#publish"); local function subscription_presence(user_bare, recipient) local recipient_bare = jid_bare(recipient); if (recipient_bare == user_bare) then return true end - local item = load_roster(jid_split(user_bare))[recipient_bare]; - return item and (item.subscription == 'from' or item.subscription == 'both'); + local username, host = jid_split(user_bare); + return is_contact_subscribed(username, host, recipient_bare); end local function publish(session, node, id, item) @@ -118,25 +116,44 @@ module:hook("presence/bare", function(event) -- inbound presence to bare JID recieved local origin, stanza = event.origin, event.stanza; local user = stanza.attr.to or (origin.username..'@'..origin.host); + local t = stanza.attr.type; + local self = not stanza.attr.to; - if not stanza.attr.to or subscription_presence(user, stanza.attr.from) then - local recipient = stanza.attr.from; - local current = recipients[user] and recipients[user][recipient]; - local hash = get_caps_hash_from_presence(stanza, current); - if current == hash then return; end - if not hash then - if recipients[user] then recipients[user][recipient] = nil; end - else - recipients[user] = recipients[user] or {}; - if hash_map[hash] then - recipients[user][recipient] = hash_map[hash]; - publish_all(user, recipient, origin); + if not t then -- available presence + if self or subscription_presence(user, stanza.attr.from) then + local recipient = stanza.attr.from; + local current = recipients[user] and recipients[user][recipient]; + local hash = get_caps_hash_from_presence(stanza, current); + if current == hash or (current and current == hash_map[hash]) then return; end + if not hash then + if recipients[user] then recipients[user][recipient] = nil; end else - recipients[user][recipient] = hash; - origin.send( - st.stanza("iq", {from=stanza.attr.to, to=stanza.attr.from, id="disco", type="get"}) - :query("http://jabber.org/protocol/disco#info") - ); + recipients[user] = recipients[user] or {}; + if hash_map[hash] then + recipients[user][recipient] = hash_map[hash]; + publish_all(user, recipient, origin); + else + recipients[user][recipient] = hash; + local from_bare = origin.type == "c2s" and origin.username.."@"..origin.host; + if self or origin.type ~= "c2s" or (recipients[from_bare] and recipients[from_bare][origin.full_jid]) ~= hash then + origin.send( + st.stanza("iq", {from=stanza.attr.to, to=stanza.attr.from, id="disco", type="get"}) + :query("http://jabber.org/protocol/disco#info") + ); + end + end + end + end + elseif t == "unavailable" then + if recipients[user] then recipients[user][stanza.attr.from] = nil; end + elseif not self and t == "unsubscribe" then + local from = jid_bare(stanza.attr.from); + local subscriptions = recipients[user]; + if subscriptions then + for subscriber in pairs(subscriptions) do + if jid_bare(subscriber) == from then + recipients[user][subscriber] = nil; + end end end end @@ -205,56 +222,13 @@ module:hook("iq/bare/http://jabber.org/protocol/pubsub:pubsub", function(event) end end); -local function calculate_hash(disco_info) - local identities, features, extensions = {}, {}, {}; - for _, tag in pairs(disco_info) do - if tag.name == "identity" then - table.insert(identities, (tag.attr.category or "").."\0"..(tag.attr.type or "").."\0"..(tag.attr["xml:lang"] or "").."\0"..(tag.attr.name or "")); - elseif tag.name == "feature" then - table.insert(features, tag.attr.var or ""); - elseif tag.name == "x" and tag.attr.xmlns == "jabber:x:data" then - local form = {}; - local FORM_TYPE; - for _, field in pairs(tag.tags) do - if field.name == "field" and field.attr.var then - local values = {}; - for _, val in pairs(field.tags) do - val = #val.tags == 0 and table.concat(val); -- FIXME use get_text? - if val then table.insert(values, val); end - end - table.sort(values); - if field.attr.var == "FORM_TYPE" then - FORM_TYPE = values[1]; - elseif #values > 0 then - table.insert(form, field.attr.var.."\0"..table.concat(values, "<")); - else - table.insert(form, field.attr.var); - end - end - end - table.sort(form); - form = table.concat(form, "<"); - if FORM_TYPE then form = FORM_TYPE.."\0"..form; end - table.insert(extensions, form); - end - end - table.sort(identities); - table.sort(features); - table.sort(extensions); - if #identities > 0 then identities = table.concat(identities, "<"):gsub("%z", "/").."<"; else identities = ""; end - if #features > 0 then features = table.concat(features, "<").."<"; else features = ""; end - if #extensions > 0 then extensions = table.concat(extensions, "<"):gsub("%z", "<").."<"; else extensions = ""; end - local S = identities..features..extensions; - local ver = base64(sha1(S)); - return ver, S; -end - -module:hook("iq/bare/disco", function(event) +module:hook("iq-result/bare/disco", function(event) local session, stanza = event.origin, event.stanza; if stanza.attr.type == "result" then local disco = stanza.tags[1]; if disco and disco.name == "query" and disco.attr.xmlns == "http://jabber.org/protocol/disco#info" then -- Process disco response + local self = not stanza.attr.to; local user = stanza.attr.to or (session.username..'@'..session.host); local contact = stanza.attr.from; local current = recipients[user] and recipients[user][contact]; @@ -271,6 +245,15 @@ module:hook("iq/bare/disco", function(event) end end hash_map[ver] = notify; -- update hash map + if self then + for jid, item in pairs(session.roster) do -- for all interested contacts + if item.subscription == "both" or item.subscription == "from" then + if not recipients[jid] then recipients[jid] = {}; end + recipients[jid][contact] = notify; + publish_all(jid, contact, session); + end + end + end recipients[user][contact] = notify; -- set recipient's data to calculated data -- send messages to recipient publish_all(user, contact, session); @@ -285,8 +268,8 @@ module:hook("account-disco-info", function(event) end); module:hook("account-disco-items", function(event) - local session, stanza = event.session, event.stanza; - local bare = session.username..'@'..session.host; + local stanza = event.stanza; + local bare = stanza.attr.to; local user_data = data[bare]; if user_data then |