prosody
1e44e7e8e79c
plugins/mod_roster.lua

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plugins/mod_roster.lua @ 3525:1e44e7e8e79c

mod_roster: Updated to use the new events API.
author Waqas Hussain <waqas20@gmail.com>
date Sat, 16 Oct 2010 05:26:46 +0500
parent 3323:5228a395999b
child 3526:69a8c7e635c5
comparison
equal deleted inserted replaced
3524:d206b4e0a9f3 3525:1e44e7e8e79c
3 -- Copyright (C) 2008-2010 Waqas Hussain 3 -- Copyright (C) 2008-2010 Waqas Hussain
4 -- 4 --
5 -- This project is MIT/X11 licensed. Please see the 5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information. 6 -- COPYING file in the source package for more information.
7 -- 7 --
8
9 8
10 9
11 local st = require "util.stanza" 10 local st = require "util.stanza"
12 11
13 local jid_split = require "util.jid".split; 12 local jid_split = require "util.jid".split;
28 if origin.username then 27 if origin.username then
29 features:add_child(rosterver_stream_feature); 28 features:add_child(rosterver_stream_feature);
30 end 29 end
31 end); 30 end);
32 31
33 module:add_iq_handler("c2s", "jabber:iq:roster", 32 module:hook("iq/self/jabber:iq:roster:query", function(event)
34 function (session, stanza) 33 local session, stanza = event.origin, event.stanza;
35 if stanza.tags[1].name == "query" then 34
36 if stanza.attr.type == "get" then 35 if stanza.attr.type == "get" then
37 local roster = st.reply(stanza); 36 local roster = st.reply(stanza);
38 37
39 local client_ver = tonumber(stanza.tags[1].attr.ver); 38 local client_ver = tonumber(stanza.tags[1].attr.ver);
40 local server_ver = tonumber(session.roster[false].version or 1); 39 local server_ver = tonumber(session.roster[false].version or 1);
41 40
42 if not (client_ver and server_ver) or client_ver ~= server_ver then 41 if not (client_ver and server_ver) or client_ver ~= server_ver then
43 roster:query("jabber:iq:roster"); 42 roster:query("jabber:iq:roster");
44 -- Client does not support versioning, or has stale roster 43 -- Client does not support versioning, or has stale roster
45 for jid, item in pairs(session.roster) do 44 for jid, item in pairs(session.roster) do
46 if jid ~= "pending" and jid then 45 if jid ~= "pending" and jid then
47 roster:tag("item", { 46 roster:tag("item", {
48 jid = jid, 47 jid = jid,
49 subscription = item.subscription, 48 subscription = item.subscription,
50 ask = item.ask, 49 ask = item.ask,
51 name = item.name, 50 name = item.name,
52 }); 51 });
53 for group in pairs(item.groups) do 52 for group in pairs(item.groups) do
54 roster:tag("group"):text(group):up(); 53 roster:tag("group"):text(group):up();
54 end
55 roster:up(); -- move out from item
56 end
57 end
58 roster.tags[1].attr.ver = server_ver;
59 end
60 session.send(roster);
61 session.interested = true; -- resource is interested in roster updates
62 else -- stanza.attr.type == "set"
63 local query = stanza.tags[1];
64 if #query.tags == 1 and query.tags[1].name == "item"
65 and query.tags[1].attr.xmlns == "jabber:iq:roster" and query.tags[1].attr.jid
66 -- Protection against overwriting roster.pending, until we move it
67 and query.tags[1].attr.jid ~= "pending" then
68 local item = query.tags[1];
69 local from_node, from_host = jid_split(stanza.attr.from);
70 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID
71 local jid = jid_prep(item.attr.jid);
72 local node, host, resource = jid_split(jid);
73 if not resource and host then
74 if jid ~= from_node.."@"..from_host then
75 if item.attr.subscription == "remove" then
76 local roster = session.roster;
77 local r_item = roster[jid];
78 if r_item then
79 local to_bare = node and (node.."@"..host) or host; -- bare JID
80 if r_item.subscription == "both" or r_item.subscription == "from" or (roster.pending and roster.pending[jid]) then
81 core_post_stanza(session, st.presence({type="unsubscribed", from=session.full_jid, to=to_bare}));
82 end
83 if r_item.subscription == "both" or r_item.subscription == "to" or r_item.ask then
84 core_post_stanza(session, st.presence({type="unsubscribe", from=session.full_jid, to=to_bare}));
85 end
86 local success, err_type, err_cond, err_msg = rm_remove_from_roster(session, jid);
87 if success then
88 session.send(st.reply(stanza));
89 rm_roster_push(from_node, from_host, jid);
90 else
91 session.send(st.error_reply(stanza, err_type, err_cond, err_msg));
92 end
93 else
94 session.send(st.error_reply(stanza, "modify", "item-not-found"));
95 end
96 else
97 local r_item = {name = item.attr.name, groups = {}};
98 if r_item.name == "" then r_item.name = nil; end
99 if session.roster[jid] then
100 r_item.subscription = session.roster[jid].subscription;
101 r_item.ask = session.roster[jid].ask;
102 else
103 r_item.subscription = "none";
104 end
105 for _, child in ipairs(item) do
106 if child.name == "group" then
107 local text = t_concat(child);
108 if text and text ~= "" then
109 r_item.groups[text] = true;
55 end 110 end
56 roster:up(); -- move out from item
57 end 111 end
58 end 112 end
59 roster.tags[1].attr.ver = server_ver; 113 local success, err_type, err_cond, err_msg = rm_add_to_roster(session, jid, r_item);
114 if success then
115 -- Ok, send success
116 session.send(st.reply(stanza));
117 -- and push change to all resources
118 rm_roster_push(from_node, from_host, jid);
119 else
120 -- Adding to roster failed
121 session.send(st.error_reply(stanza, err_type, err_cond, err_msg));
122 end
60 end 123 end
61 session.send(roster); 124 else
62 session.interested = true; -- resource is interested in roster updates 125 -- Trying to add self to roster
63 return true; 126 session.send(st.error_reply(stanza, "cancel", "not-allowed"));
64 elseif stanza.attr.type == "set" then
65 local query = stanza.tags[1];
66 if #query.tags == 1 and query.tags[1].name == "item"
67 and query.tags[1].attr.xmlns == "jabber:iq:roster" and query.tags[1].attr.jid
68 -- Protection against overwriting roster.pending, until we move it
69 and query.tags[1].attr.jid ~= "pending" then
70 local item = query.tags[1];
71 local from_node, from_host = jid_split(stanza.attr.from);
72 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID
73 local jid = jid_prep(item.attr.jid);
74 local node, host, resource = jid_split(jid);
75 if not resource and host then
76 if jid ~= from_node.."@"..from_host then
77 if item.attr.subscription == "remove" then
78 local roster = session.roster;
79 local r_item = roster[jid];
80 if r_item then
81 local to_bare = node and (node.."@"..host) or host; -- bare JID
82 if r_item.subscription == "both" or r_item.subscription == "from" or (roster.pending and roster.pending[jid]) then
83 core_post_stanza(session, st.presence({type="unsubscribed", from=session.full_jid, to=to_bare}));
84 end
85 if r_item.subscription == "both" or r_item.subscription == "to" or r_item.ask then
86 core_post_stanza(session, st.presence({type="unsubscribe", from=session.full_jid, to=to_bare}));
87 end
88 local success, err_type, err_cond, err_msg = rm_remove_from_roster(session, jid);
89 if success then
90 session.send(st.reply(stanza));
91 rm_roster_push(from_node, from_host, jid);
92 else
93 session.send(st.error_reply(stanza, err_type, err_cond, err_msg));
94 end
95 else
96 session.send(st.error_reply(stanza, "modify", "item-not-found"));
97 end
98 else
99 local r_item = {name = item.attr.name, groups = {}};
100 if r_item.name == "" then r_item.name = nil; end
101 if session.roster[jid] then
102 r_item.subscription = session.roster[jid].subscription;
103 r_item.ask = session.roster[jid].ask;
104 else
105 r_item.subscription = "none";
106 end
107 for _, child in ipairs(item) do
108 if child.name == "group" then
109 local text = t_concat(child);
110 if text and text ~= "" then
111 r_item.groups[text] = true;
112 end
113 end
114 end
115 local success, err_type, err_cond, err_msg = rm_add_to_roster(session, jid, r_item);
116 if success then
117 -- Ok, send success
118 session.send(st.reply(stanza));
119 -- and push change to all resources
120 rm_roster_push(from_node, from_host, jid);
121 else
122 -- Adding to roster failed
123 session.send(st.error_reply(stanza, err_type, err_cond, err_msg));
124 end
125 end
126 else
127 -- Trying to add self to roster
128 session.send(st.error_reply(stanza, "cancel", "not-allowed"));
129 end
130 else
131 -- Invalid JID added to roster
132 session.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME what's the correct error?
133 end
134 else
135 -- Roster set didn't include a single item, or its name wasn't 'item'
136 session.send(st.error_reply(stanza, "modify", "bad-request"));
137 end
138 return true;
139 end 127 end
128 else
129 -- Invalid JID added to roster
130 session.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME what's the correct error?
140 end 131 end
141 end); 132 else
133 -- Roster set didn't include a single item, or its name wasn't 'item'
134 session.send(st.error_reply(stanza, "modify", "bad-request"));
135 end
136 end
137 return true;
138 end);