Software / code / prosody
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util/discohelper.lua @ 760:90ce865eebd8
Update copyright notices for 2009
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Fri, 30 Jan 2009 17:59:26 +0000 |
| parent | 759:5cccfb5da6cb |
| child | 896:2c0b9e3c11c3 |
| rev | line source |
|---|---|
| 759 | 1 -- Prosody IM v0.3 |
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2 -- Copyright (C) 2008-2009 Matthew Wild |
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3 -- Copyright (C) 2008-2009 Waqas Hussain |
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4 -- |
| 758 | 5 -- This project is MIT/X11 licensed. Please see the |
| 6 -- COPYING file in the source package for more information. | |
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7 -- |
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8 |
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9 |
| 387 | 10 |
| 11 local t_insert = table.insert; | |
| 12 local jid_split = require "util.jid".split; | |
| 13 local ipairs = ipairs; | |
| 14 local st = require "util.stanza"; | |
| 15 | |
| 16 module "discohelper"; | |
| 17 | |
| 18 local function addDiscoItemsHandler(self, jid, func) | |
| 19 if self.item_handlers[jid] then | |
| 20 t_insert(self.item_handlers[jid], func); | |
| 21 else | |
| 22 self.item_handlers[jid] = {func}; | |
| 23 end | |
| 24 end | |
| 25 | |
| 26 local function addDiscoInfoHandler(self, jid, func) | |
| 27 if self.info_handlers[jid] then | |
| 28 t_insert(self.info_handlers[jid], func); | |
| 29 else | |
| 30 self.info_handlers[jid] = {func}; | |
| 31 end | |
| 32 end | |
| 33 | |
| 34 local function handle(self, stanza) | |
| 35 if stanza.name == "iq" and stanza.tags[1].name == "query" then | |
| 36 local query = stanza.tags[1]; | |
| 37 local to = stanza.attr.to; | |
| 38 local from = stanza.attr.from | |
| 39 local node = query.attr.node or ""; | |
| 40 local to_node, to_host = jid_split(to); | |
| 41 | |
| 42 local reply = st.reply(stanza):query(query.attr.xmlns); | |
| 43 local handlers; | |
| 44 if query.attr.xmlns == "http://jabber.org/protocol/disco#info" then -- select handler set | |
| 45 handlers = self.info_handlers; | |
| 46 elseif query.attr.xmlns == "http://jabber.org/protocol/disco#items" then | |
| 47 handlers = self.item_handlers; | |
| 48 end | |
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49 local handler; |
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50 local found; -- to keep track of any handlers found |
| 387 | 51 if to_node then -- handlers which get called always |
| 52 handler = handlers["*node"]; | |
| 53 else | |
| 54 handler = handlers["*host"]; | |
| 55 end | |
| 56 if handler then -- call always called handler | |
| 57 for _, h in ipairs(handler) do | |
| 58 if h(reply, to, from, node) then found = true; end | |
| 59 end | |
| 60 end | |
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61 handler = handlers[to]; -- get the handler |
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62 if not handler then -- if not found then use default handler |
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63 if to_node then |
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64 handler = handlers["*defaultnode"]; |
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65 else |
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66 handler = handlers["*defaulthost"]; |
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67 end |
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68 end |
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69 if handler then |
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parents:
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70 for _, h in ipairs(handler) do |
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parents:
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71 if h(reply, to, from, node) then found = true; end |
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parents:
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72 end |
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parents:
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73 end |
| 387 | 74 if found then return reply; end -- return the reply if there was one |
| 75 return st.error_reply(stanza, "cancel", "service-unavailable"); | |
| 76 end | |
| 77 end | |
| 78 | |
| 79 function new() | |
| 80 return { | |
| 81 item_handlers = {}; | |
| 82 info_handlers = {}; | |
| 83 addDiscoItemsHandler = addDiscoItemsHandler; | |
| 84 addDiscoInfoHandler = addDiscoInfoHandler; | |
| 85 handle = handle; | |
| 86 }; | |
| 87 end | |
| 88 | |
| 89 return _M; |
