3 * Laconica - a distributed open-source microblogging tool
4 * Copyright (C) 2008, Controlez-Vous, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('LACONICA')) { exit(1); }
22 define('LISTENER', 1);
23 define('LISTENEE', -1);
26 class FoafAction extends Action {
28 function is_readonly()
33 function handle($args)
35 parent::handle($args);
37 $nickname = $this->trimmed('nickname');
39 $user = User::staticGet('nickname', $nickname);
42 common_user_error(_('No such user.'), 404);
46 $profile = $user->getProfile();
49 common_server_error(_('User has no profile.'), 500);
53 header('Content-Type: application/rdf+xml');
56 common_element_start('rdf:RDF', array('xmlns:rdf' =>
57 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
59 'http://www.w3.org/2000/01/rdf-schema#',
61 'http://www.w3.org/2003/01/geo/wgs84_pos#',
62 'xmlns' => 'http://xmlns.com/foaf/0.1/'));
64 # This is the document about the user
66 $this->show_ppd('', $user->uri);
68 # XXX: might not be a person
69 common_element_start('Person', array('rdf:about' =>
71 common_element('mbox_sha1sum', null, sha1('mailto:' . $user->email));
72 if ($profile->fullname) {
73 common_element('name', null, $profile->fullname);
75 if ($profile->homepage) {
76 common_element('homepage', array('rdf:resource' => $profile->homepage));
79 common_element('rdfs:comment', null, $profile->bio);
81 # XXX: more structured location data
82 if ($profile->location) {
83 common_element_start('based_near');
84 common_element_start('geo:SpatialThing');
85 common_element('name', null, $profile->location);
86 common_element_end('geo:SpatialThing');
87 common_element_end('based_near');
90 $this->show_microblogging_account($profile, common_root_url());
92 $avatar = $profile->getOriginalAvatar();
95 common_element_start('img');
96 common_element_start('Image', array('rdf:about' => $avatar->url));
97 foreach (array(AVATAR_PROFILE_SIZE, AVATAR_STREAM_SIZE, AVATAR_MINI_SIZE) as $size) {
98 $scaled = $profile->getAvatar($size);
99 if (!$scaled->original) { # sometimes the original has one of our scaled sizes
100 common_element_start('thumbnail');
101 common_element('Image', array('rdf:about' => $scaled->url));
102 common_element_end('thumbnail');
105 common_element_end('Image');
106 common_element_end('img');
109 # Get people user is subscribed to
113 $sub = new Subscription();
114 $sub->subscriber = $profile->id;
115 $sub->whereAdd('subscriber != subscribed');
118 while ($sub->fetch()) {
120 $other = Remote_profile::staticGet('id', $sub->subscribed);
122 $other = User::staticGet('id', $sub->subscribed);
125 common_debug('Got a bad subscription: '.print_r($sub,TRUE));
128 common_element('knows', array('rdf:resource' => $other->uri));
129 $person[$other->uri] = array(LISTENEE, $other);
133 # Get people who subscribe to user
135 $sub = new Subscription();
136 $sub->subscribed = $profile->id;
137 $sub->whereAdd('subscriber != subscribed');
140 while ($sub->fetch()) {
142 $other = Remote_profile::staticGet('id', $sub->subscriber);
144 $other = User::staticGet('id', $sub->subscriber);
147 common_debug('Got a bad subscription: '.print_r($sub,TRUE));
150 if (array_key_exists($other->uri, $person)) {
151 $person[$other->uri][0] = BOTH;
153 $person[$other->uri] = array(LISTENER, $other);
158 common_element_end('Person');
160 foreach ($person as $uri => $p) {
162 if ($p[1] instanceof User) {
163 $foaf_url = common_local_url('foaf', array('nickname' => $p[1]->nickname));
165 $profile = Profile::staticGet($p[1]->id);
166 common_element_start('Person', array('rdf:about' => $uri));
167 if ($p[0] == LISTENER || $p[0] == BOTH) {
168 common_element('knows', array('rdf:resource' => $user->uri));
170 $this->show_microblogging_account($profile, ($p[1] instanceof User) ?
171 common_root_url() : null);
173 common_element('rdfs:seeAlso', array('rdf:resource' => $foaf_url));
175 common_element_end('Person');
177 $this->show_ppd($foaf_url, $uri);
181 common_element_end('rdf:RDF');
184 function show_ppd($foaf_url, $person_uri)
186 common_element_start('PersonalProfileDocument', array('rdf:about' => $foaf_url));
187 common_element('maker', array('rdf:resource' => $person_uri));
188 common_element('primaryTopic', array('rdf:resource' => $person_uri));
189 common_element_end('PersonalProfileDocument');
192 function show_microblogging_account($profile, $service=null)
195 common_element_start('holdsAccount');
196 common_element_start('OnlineAccount');
198 common_element('accountServiceHomepage', array('rdf:resource' =>
201 common_element('accountName', null, $profile->nickname);
202 common_element('homepage', array('rdf:resource' => $profile->profileurl));
203 common_element_end('OnlineAccount');
204 common_element_end('holdsAccount');