Mercurial > prosody-modules
annotate mod_carbons/mod_carbons.lua @ 518:d4adda950546
mod_stanza_counter: corrected syntax mistake in the http plugin.
author | Marco Cirillo <maranda@lightwitch.org> |
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date | Mon, 02 Jan 2012 17:38:28 +0000 |
parents | 59e80326f2b3 |
children | 6fa8436f8ee3 |
rev | line source |
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462 | 1 local st = require "util.stanza"; |
2 local jid_bare = require "util.jid".bare; | |
3 local jid_split = require "util.jid".split; | |
4 local xmlns_carbons = "urn:xmpp:carbons:1"; | |
5 local xmlns_forward = "urn:xmpp:forward:0"; | |
6 local host_sessions = hosts[module.host].sessions; | |
7 | |
8 -- TODO merge message handlers into one somehow | |
9 | |
10 module:hook("iq/self/"..xmlns_carbons..":enable", function(event) | |
11 local origin, stanza = event.origin, event.stanza; | |
12 if stanza.attr.type == "set" then | |
13 module:log("debug", "%s enabled carbons", origin.full_jid); | |
14 origin.want_carbons = true; | |
15 origin.send(st.reply(stanza)); | |
16 return true | |
17 end | |
18 end); | |
19 | |
20 module:hook("iq/self/"..xmlns_carbons..":disable", function(event) | |
21 local origin, stanza = event.origin, event.stanza; | |
22 if stanza.attr.type == "set" then | |
23 module:log("debug", "%s disabled carbons", origin.full_jid); | |
24 origin.want_carbons = nil; | |
25 origin.send(st.reply(stanza)); | |
26 return true | |
27 end | |
28 end); | |
29 | |
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30 local function message_handler(event, c2s) |
462 | 31 local origin, stanza = event.origin, event.stanza; |
32 local orig_type = stanza.attr.type; | |
33 local orig_to = stanza.attr.to; | |
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34 local orig_from = stanza.attr.from; |
462 | 35 |
36 if not (orig_type == nil | |
37 or orig_type == "normal" | |
38 or orig_type == "chat") then | |
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39 return -- No carbons for messages of type error or headline |
462 | 40 end |
41 | |
42 local bare_jid, user_sessions; | |
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43 local no_carbon_to = {}; |
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44 module:log("debug", "origin (%s) type: %s", tostring(origin), origin.type) |
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45 if c2s then -- Stanza sent by a local client |
462 | 46 bare_jid = (origin.username.."@"..origin.host) |
47 user_sessions = host_sessions[origin.username]; | |
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48 else -- Stanza about to be delivered to a local client |
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49 local username, hostname, resource = jid_split(orig_to); |
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50 bare_jid = jid_bare(orig_to); |
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51 user_sessions = host_sessions[username]; |
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52 if resource then |
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53 no_carbon_to[resource] = true; |
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54 else |
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55 local top_resources = user_sessions.top_resources; |
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56 for _, session in ipairs(top_resources) do |
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57 no_carbon_to[session.resource] = true; |
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58 end |
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59 end |
462 | 60 end |
61 | |
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62 if not c2s and stanza:get_child("private", xmlns_carbons) then |
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63 stanza:maptags(function(tag) |
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64 return tag.attr.xmlns == xmlns_carbons |
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65 and tag.name == "private" and tag or nil; |
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66 end); |
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67 return |
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68 end |
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69 |
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70 if not stanza:get_child("forwarded", xmlns_forward) then |
462 | 71 user_sessions = user_sessions and user_sessions.sessions; |
72 for resource, session in pairs(user_sessions) do | |
73 local full_jid = bare_jid .. "/" .. resource; | |
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74 if session.want_carbons then |
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75 if (c2s and session ~= origin) or (not c2s and not no_carbon_to[resource]) then |
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76 local msg = st.clone(stanza); |
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77 msg.attr.xmlns = msg.attr.xmlns or "jabber:client"; |
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78 local fwd = st.message{ |
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79 from = bare_jid, |
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80 to = full_jid, |
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81 type = orig_type, |
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82 } |
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83 :tag("forwarded", { xmlns = xmlns_forward }) |
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84 :tag(c2s and "sent" or "received", { xmlns = xmlns_carbons }):up() |
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85 :add_child(msg); |
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86 core_post_stanza(origin, fwd); |
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87 end |
462 | 88 end |
89 end | |
90 end | |
91 end | |
92 | |
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93 local function c2s_message_handler(event) |
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94 return message_handler(event, true) |
462 | 95 end |
96 | |
97 -- Stanzas sent by local clients | |
98 module:hook("pre-message/bare", c2s_message_handler, 1); | |
99 module:hook("pre-message/full", c2s_message_handler, 1); | |
510
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100 -- Stanzas to local clients |
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101 module:hook("message/bare", message_handler, 1); |
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102 module:hook("message/full", message_handler, 1); |
462 | 103 |
104 module:add_feature(xmlns_carbons); |