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
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rev   line source
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1 -- Prosody IM
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b7049746bd29 Update copyright headers for 2010
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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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
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10 local st = require "util.stanza"
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11
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12 local jid_split = require "util.jid".split;
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13 local jid_prep = require "util.jid".prep;
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14 local t_concat = table.concat;
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15 local tostring = tostring;
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16
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17 local rm_remove_from_roster = require "core.rostermanager".remove_from_roster;
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18 local rm_add_to_roster = require "core.rostermanager".add_to_roster;
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19 local rm_roster_push = require "core.rostermanager".roster_push;
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a27eb60a77cd mod_roster: Using core_post_stanza in place of core.presencemanager.handle_presence
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20 local core_post_stanza = core_post_stanza;
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21
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3521e0851c9e Change modules to use the new add_feature module API method.
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22 module:add_feature("jabber:iq:roster");
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23
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24 local rosterver_stream_feature = st.stanza("ver", {xmlns="urn:xmpp:features:rosterver"}):tag("optional"):up();
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25 module:hook("stream-features", function(event)
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26 local origin, features = event.origin, event.features;
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27 if origin.username then
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28 features:add_child(rosterver_stream_feature);
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29 end
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30 end);
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31
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32 module:hook("iq/self/jabber:iq:roster:query", function(event)
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33 local session, stanza = event.origin, event.stanza;
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34
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35 if stanza.attr.type == "get" then
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36 local roster = st.reply(stanza);
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37
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38 local client_ver = tonumber(stanza.tags[1].attr.ver);
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39 local server_ver = tonumber(session.roster[false].version or 1);
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40
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41 if not (client_ver and server_ver) or client_ver ~= server_ver then
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42 roster:query("jabber:iq:roster");
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43 -- Client does not support versioning, or has stale roster
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44 for jid, item in pairs(session.roster) do
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45 if jid ~= "pending" and jid then
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46 roster:tag("item", {
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47 jid = jid,
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48 subscription = item.subscription,
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49 ask = item.ask,
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50 name = item.name,
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51 });
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52 for group in pairs(item.groups) do
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53 roster:tag("group"):text(group):up();
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54 end
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55 roster:up(); -- move out from item
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56 end
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57 end
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58 roster.tags[1].attr.ver = server_ver;
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59 end
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60 session.send(roster);
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61 session.interested = true; -- resource is interested in roster updates
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62 else -- stanza.attr.type == "set"
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63 local query = stanza.tags[1];
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64 if #query.tags == 1 and query.tags[1].name == "item"
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65 and query.tags[1].attr.xmlns == "jabber:iq:roster" and query.tags[1].attr.jid
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66 -- Protection against overwriting roster.pending, until we move it
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67 and query.tags[1].attr.jid ~= "pending" then
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68 local item = query.tags[1];
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69 local from_node, from_host = jid_split(stanza.attr.from);
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70 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID
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71 local jid = jid_prep(item.attr.jid);
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72 local node, host, resource = jid_split(jid);
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73 if not resource and host then
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74 if jid ~= from_node.."@"..from_host then
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75 if item.attr.subscription == "remove" then
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76 local roster = session.roster;
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77 local r_item = roster[jid];
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78 if r_item then
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79 local to_bare = node and (node.."@"..host) or host; -- bare JID
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80 if r_item.subscription == "both" or r_item.subscription == "from" or (roster.pending and roster.pending[jid]) then
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81 core_post_stanza(session, st.presence({type="unsubscribed", from=session.full_jid, to=to_bare}));
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82 end
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83 if r_item.subscription == "both" or r_item.subscription == "to" or r_item.ask then
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84 core_post_stanza(session, st.presence({type="unsubscribe", from=session.full_jid, to=to_bare}));
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85 end
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86 local success, err_type, err_cond, err_msg = rm_remove_from_roster(session, jid);
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87 if success then
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88 session.send(st.reply(stanza));
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89 rm_roster_push(from_node, from_host, jid);
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90 else
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91 session.send(st.error_reply(stanza, err_type, err_cond, err_msg));
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92 end
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93 else
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94 session.send(st.error_reply(stanza, "modify", "item-not-found"));
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95 end
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96 else
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97 local r_item = {name = item.attr.name, groups = {}};
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98 if r_item.name == "" then r_item.name = nil; end
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99 if session.roster[jid] then
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100 r_item.subscription = session.roster[jid].subscription;
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101 r_item.ask = session.roster[jid].ask;
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102 else
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103 r_item.subscription = "none";
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104 end
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105 for _, child in ipairs(item) do
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106 if child.name == "group" then
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107 local text = t_concat(child);
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108 if text and text ~= "" then
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109 r_item.groups[text] = true;
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110 end
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111 end
108
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112 end
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113 local success, err_type, err_cond, err_msg = rm_add_to_roster(session, jid, r_item);
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114 if success then
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115 -- Ok, send success
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116 session.send(st.reply(stanza));
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117 -- and push change to all resources
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118 rm_roster_push(from_node, from_host, jid);
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119 else
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120 -- Adding to roster failed
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121 session.send(st.error_reply(stanza, err_type, err_cond, err_msg));
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parents: 3323
diff changeset
122 end
102
a5b914370db5 Fixed: mod_roster now outputs all roster data (instead of just the JIDs)
Waqas Hussain <waqas20@gmail.com>
parents: 79
diff changeset
123 end
3525
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
124 else
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
125 -- Trying to add self to roster
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
126 session.send(st.error_reply(stanza, "cancel", "not-allowed"));
30
bcf539295f2d Huge commit to:
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
127 end
3525
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
128 else
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
129 -- Invalid JID added to roster
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
130 session.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME what's the correct error?
30
bcf539295f2d Huge commit to:
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
131 end
3525
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
132 else
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
133 -- Roster set didn't include a single item, or its name wasn't 'item'
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
134 session.send(st.error_reply(stanza, "modify", "bad-request"));
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
135 end
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
136 end
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
137 return true;
1e44e7e8e79c mod_roster: Updated to use the new events API.
Waqas Hussain <waqas20@gmail.com>
parents: 3323
diff changeset
138 end);