author | Matthew Wild <mwild1@gmail.com> |
Fri, 30 Jan 2009 17:40:25 +0000 | |
changeset 759 | 5cccfb5da6cb |
parent 758 | b1885732e979 |
child 760 | 90ce865eebd8 |
permissions | -rw-r--r-- |
759 | 1 |
-- Prosody IM v0.3 |
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-- Copyright (C) 2008 Matthew Wild |
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-- Copyright (C) 2008 Waqas Hussain |
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-- |
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-- This project is MIT/X11 licensed. Please see the |
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-- COPYING file in the source package for more information. |
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-- |
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387 | 10 |
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local t_insert = table.insert; |
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local jid_split = require "util.jid".split; |
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local ipairs = ipairs; |
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local st = require "util.stanza"; |
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module "discohelper"; |
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local function addDiscoItemsHandler(self, jid, func) |
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if self.item_handlers[jid] then |
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t_insert(self.item_handlers[jid], func); |
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else |
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self.item_handlers[jid] = {func}; |
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end |
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end |
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local function addDiscoInfoHandler(self, jid, func) |
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if self.info_handlers[jid] then |
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t_insert(self.info_handlers[jid], func); |
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else |
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self.info_handlers[jid] = {func}; |
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end |
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end |
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local function handle(self, stanza) |
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if stanza.name == "iq" and stanza.tags[1].name == "query" then |
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local query = stanza.tags[1]; |
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local to = stanza.attr.to; |
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local from = stanza.attr.from |
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local node = query.attr.node or ""; |
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local to_node, to_host = jid_split(to); |
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local reply = st.reply(stanza):query(query.attr.xmlns); |
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local handlers; |
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if query.attr.xmlns == "http://jabber.org/protocol/disco#info" then -- select handler set |
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handlers = self.info_handlers; |
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elseif query.attr.xmlns == "http://jabber.org/protocol/disco#items" then |
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handlers = self.item_handlers; |
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end |
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Waqas Hussain <waqas20@gmail.com>
parents:
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local handler; |
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parents:
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local found; -- to keep track of any handlers found |
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if to_node then -- handlers which get called always |
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handler = handlers["*node"]; |
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else |
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handler = handlers["*host"]; |
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end |
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if handler then -- call always called handler |
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for _, h in ipairs(handler) do |
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if h(reply, to, from, node) then found = true; end |
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end |
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end |
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parents:
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changeset
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handler = handlers[to]; -- get the handler |
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Waqas Hussain <waqas20@gmail.com>
parents:
519
diff
changeset
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if not handler then -- if not found then use default handler |
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Reorder the disco info elements to place always included elements first
Waqas Hussain <waqas20@gmail.com>
parents:
519
diff
changeset
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if to_node then |
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parents:
519
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changeset
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handler = handlers["*defaultnode"]; |
cbcadb1a6166
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Waqas Hussain <waqas20@gmail.com>
parents:
519
diff
changeset
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else |
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Waqas Hussain <waqas20@gmail.com>
parents:
519
diff
changeset
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handler = handlers["*defaulthost"]; |
cbcadb1a6166
Reorder the disco info elements to place always included elements first
Waqas Hussain <waqas20@gmail.com>
parents:
519
diff
changeset
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end |
cbcadb1a6166
Reorder the disco info elements to place always included elements first
Waqas Hussain <waqas20@gmail.com>
parents:
519
diff
changeset
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end |
cbcadb1a6166
Reorder the disco info elements to place always included elements first
Waqas Hussain <waqas20@gmail.com>
parents:
519
diff
changeset
|
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if handler then |
cbcadb1a6166
Reorder the disco info elements to place always included elements first
Waqas Hussain <waqas20@gmail.com>
parents:
519
diff
changeset
|
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for _, h in ipairs(handler) do |
cbcadb1a6166
Reorder the disco info elements to place always included elements first
Waqas Hussain <waqas20@gmail.com>
parents:
519
diff
changeset
|
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if h(reply, to, from, node) then found = true; end |
cbcadb1a6166
Reorder the disco info elements to place always included elements first
Waqas Hussain <waqas20@gmail.com>
parents:
519
diff
changeset
|
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end |
cbcadb1a6166
Reorder the disco info elements to place always included elements first
Waqas Hussain <waqas20@gmail.com>
parents:
519
diff
changeset
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end |
387 | 74 |
if found then return reply; end -- return the reply if there was one |
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return st.error_reply(stanza, "cancel", "service-unavailable"); |
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end |
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end |
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function new() |
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return { |
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item_handlers = {}; |
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info_handlers = {}; |
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addDiscoItemsHandler = addDiscoItemsHandler; |
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addDiscoInfoHandler = addDiscoInfoHandler; |
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handle = handle; |
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}; |
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end |
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return _M; |