verse
39ce7535887c
plugins/roster.lua

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plugins/roster.lua @ 283:39ce7535887c

plugins.pubsub: Add a local variable to save some table lookups
author Kim Alvefur <zash@zash.se>
date Mon, 05 Mar 2012 20:18:54 +0100
parent 276:3d8442f7f034
child 380:0891b4e27766
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
250
a5ac643a7fd6 added local verse var to all plugins
mva <mva@mva.name>
parents: 217
diff changeset
1 local verse = require "verse";
a5ac643a7fd6 added local verse var to all plugins
mva <mva@mva.name>
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diff changeset
2 local bare_jid = require "util.jid".bare;
a5ac643a7fd6 added local verse var to all plugins
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3
82
f306c2f8bb88 plugins.roster: Unfinished roster plugin
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parents:
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4 local xmlns_roster = "jabber:iq:roster";
217
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5 local xmlns_rosterver = "urn:xmpp:features:rosterver";
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diff changeset
6 local t_insert = table.insert;
82
f306c2f8bb88 plugins.roster: Unfinished roster plugin
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parents:
diff changeset
7
f306c2f8bb88 plugins.roster: Unfinished roster plugin
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parents:
diff changeset
8 function verse.plugins.roster(stream)
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9 local ver_supported = false;
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10 local roster = {
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11 items = {};
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12 ver = "";
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13 -- TODO:
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14 -- groups = {};
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15 };
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16 stream.roster = roster;
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diff changeset
17
217
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18 stream:hook("stream-features", function(features_stanza)
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19 if features_stanza:get_child("ver", xmlns_rosterver) then
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20 ver_supported = true;
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diff changeset
21 end
60db4e738910 plugins.roster: Check stream features for roster versioning support.
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22 end);
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23
192
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24 local function item_lua2xml(item_table)
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25 local xml_item = verse.stanza("item", { xmlns = xmlns_roster });
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26 for k, v in pairs(item_table) do
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27 if k ~= "groups" then
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28 xml_item.attr[k] = v;
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29 else
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30 for i = 1,#v do
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31 xml_item:tag("group"):text(v[i]):up();
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32 end
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33 end
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34 end
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35 return xml_item;
82
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36 end
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37
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38 local function item_xml2lua(xml_item)
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39 local item_table = { };
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40 local groups = {};
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41 item_table.groups = groups;
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42 local jid = xml_item.attr.jid;
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43
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44 for k, v in pairs(xml_item.attr) do
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45 if k ~= "xmlns" then
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46 item_table[k] = v
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47 end
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48 end
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49
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50 for group in xml_item:childtags("group") do
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51 t_insert(groups, group:get_text())
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52 end
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53 return item_table;
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54 end
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55
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56 function roster:load(r)
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57 roster.ver, roster.items = r.ver, r.items;
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58 end
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59
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60 function roster:dump()
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61 return {
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62 ver = roster.ver,
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63 items = roster.items,
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64 };
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65 end
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66
192
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67 -- should this be add_contact(item, callback) instead?
271
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68 function roster:add_contact(jid, name, groups, callback)
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69 local item = { jid = jid, name = name, groups = groups };
192
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70 local stanza = verse.iq({ type = "set" })
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71 :tag("query", { xmlns = xmlns_roster })
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72 :add_child(item_lua2xml(item));
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73 stream:send_iq(stanza, function (reply)
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74 if not callback then return end
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75 if reply.attr.type == "result" then
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76 callback(true);
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77 else
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78 local type, condition, text = reply:get_error();
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79 callback(nil, { type, condition, text });
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80 end
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81 end);
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82 end
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83 -- What about subscriptions?
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84
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85 function roster:delete_contact(jid, callback)
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86 jid = (type(jid) == "table" and jid.jid) or jid;
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87 local item = { jid = jid, subscription = "remove" }
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88 if not roster.items[jid] then return false, "item-not-found"; end
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diff changeset
89 stream:send_iq(verse.iq({ type = "set" })
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90 :tag("query", { xmlns = xmlns_roster })
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91 :add_child(item_lua2xml(item)),
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92 function (reply)
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93 if not callback then return end
213
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94 if reply.attr.type == "result" then
192
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95 callback(true);
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96 else
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97 local type, condition, text = reply:get_error();
192
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98 callback(nil, { type, condition, text });
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99 end
82
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100 end);
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101 end
192
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102
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103 local function add_item(item) -- Takes one roster <item/>
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parents: 82
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104 local roster_item = item_xml2lua(item);
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105 roster.items[roster_item.jid] = roster_item;
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106 end
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107
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108 -- Private low level
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109 local function delete_item(jid)
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110 local deleted_item = roster.items[jid];
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111 roster.items[jid] = nil;
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112 return deleted_item;
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113 end
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114
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115 function roster:fetch(callback)
217
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116 stream:send_iq(verse.iq({type="get"}):tag("query", { xmlns = xmlns_roster, ver = ver_supported and roster.ver or nil }),
192
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117 function (result)
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118 if result.attr.type == "result" then
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119 local query = result:get_child("query", xmlns_roster);
210
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120 if query then
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121 roster.items = {};
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122 for item in query:childtags("item") do
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123 add_item(item)
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124 end
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125 roster.ver = query.attr.ver or "";
192
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126 end
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127 callback(roster);
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128 else
276
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129 local type, condition, text = stanza:get_error();
192
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130 callback(nil, { type, condition, text }); --FIXME
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parents: 82
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131 end
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parents: 82
diff changeset
132 end);
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
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parents: 82
diff changeset
133 end
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parents: 82
diff changeset
134
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parents: 82
diff changeset
135 stream:hook("iq/"..xmlns_roster, function(stanza)
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
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parents: 82
diff changeset
136 local type, from = stanza.attr.type, stanza.attr.from;
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parents: 82
diff changeset
137 if type == "set" and (not from or from == bare_jid(stream.jid)) then
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
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parents: 82
diff changeset
138 local query = stanza:get_child("query", xmlns_roster);
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parents: 82
diff changeset
139 local item = query and query:get_child("item");
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
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parents: 82
diff changeset
140 if item then
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
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parents: 82
diff changeset
141 local event, target;
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
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parents: 82
diff changeset
142 local jid = item.attr.jid;
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parents: 82
diff changeset
143 if item.attr.subscription == "remove" then
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
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parents: 82
diff changeset
144 event = "removed"
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
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parents: 82
diff changeset
145 target = delete_item(jid);
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
Kim Alvefur <zash@zash.se>
parents: 82
diff changeset
146 else
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
Kim Alvefur <zash@zash.se>
parents: 82
diff changeset
147 event = roster.items[jid] and "changed" or "added";
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parents: 82
diff changeset
148 add_item(item)
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parents: 82
diff changeset
149 target = roster.items[jid];
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Kim Alvefur <zash@zash.se>
parents: 82
diff changeset
150 end
210
118da85cb3ce plugins.roster: Roster versioning support.
Kim Alvefur <zash@zash.se>
parents: 209
diff changeset
151 roster.ver = query.attr.ver;
209
48a404e083c4 plugins.roster: Don't signal roster events if there was no such item
Kim Alvefur <zash@zash.se>
parents: 192
diff changeset
152 if target then
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Kim Alvefur <zash@zash.se>
parents: 192
diff changeset
153 stream:event("roster/item-"..event, target);
48a404e083c4 plugins.roster: Don't signal roster events if there was no such item
Kim Alvefur <zash@zash.se>
parents: 192
diff changeset
154 end
192
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parents: 82
diff changeset
155 -- TODO else return error? Events?
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
Kim Alvefur <zash@zash.se>
parents: 82
diff changeset
156 end
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
Kim Alvefur <zash@zash.se>
parents: 82
diff changeset
157 stream:send(verse.reply(stanza))
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
Kim Alvefur <zash@zash.se>
parents: 82
diff changeset
158 return true;
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
Kim Alvefur <zash@zash.se>
parents: 82
diff changeset
159 end
d20feb8034f5 plugins.roster: Add roster push handling, roster item parsing, delete_contact()
Kim Alvefur <zash@zash.se>
parents: 82
diff changeset
160 end);
82
f306c2f8bb88 plugins.roster: Unfinished roster plugin
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
161 end