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() {
32 function handle($args) {
33 parent::handle($args);
35 $nickname = $this->trimmed('nickname');
37 $user = User::staticGet('nickname', $nickname);
40 common_user_error(_('No such user.'), 404);
44 $profile = $user->getProfile();
47 common_server_error(_('User has no profile.'), 500);
51 header('Content-Type: application/rdf+xml');
54 common_element_start('rdf:RDF', array('xmlns:rdf' =>
55 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
57 'http://www.w3.org/2000/01/rdf-schema#',
59 'http://www.w3.org/2003/01/geo/wgs84_pos#',
60 'xmlns' => 'http://xmlns.com/foaf/0.1/'));
62 # This is the document about the user
64 $this->show_ppd('', $user->uri);
66 # XXX: might not be a person
67 common_element_start('Person', array('rdf:about' =>
69 common_element('mbox_sha1sum', NULL, sha1('mailto:' . $user->email));
70 if ($profile->fullname) {
71 common_element('name', NULL, $profile->fullname);
73 if ($profile->homepage) {
74 common_element('homepage', array('rdf:resource' => $profile->homepage));
77 common_element('rdfs:comment', NULL, $profile->bio);
79 # XXX: more structured location data
80 if ($profile->location) {
81 common_element_start('based_near');
82 common_element_start('geo:SpatialThing');
83 common_element('name', NULL, $profile->location);
84 common_element_end('geo:SpatialThing');
85 common_element_end('based_near');
88 $this->show_microblogging_account($profile, common_root_url());
90 $avatar = $profile->getOriginalAvatar();
93 common_element_start('img');
94 common_element_start('Image', array('rdf:about' => $avatar->url));
95 foreach (array(AVATAR_PROFILE_SIZE, AVATAR_STREAM_SIZE, AVATAR_MINI_SIZE) as $size) {
96 $scaled = $profile->getAvatar($size);
97 if (!$scaled->original) { # sometimes the original has one of our scaled sizes
98 common_element_start('thumbnail');
99 common_element('Image', array('rdf:about' => $scaled->url));
100 common_element_end('thumbnail');
103 common_element_end('Image');
104 common_element_end('img');
107 # Get people user is subscribed to
111 $sub = new Subscription();
112 $sub->subscriber = $profile->id;
115 while ($sub->fetch()) {
117 $other = Remote_profile::staticGet('id', $sub->subscribed);
119 $other = User::staticGet('id', $sub->subscribed);
122 common_debug('Got a bad subscription: '.print_r($sub,TRUE));
125 common_element('knows', array('rdf:resource' => $other->uri));
126 $person[$other->uri] = array(LISTENEE, $other);
130 # Get people who subscribe to user
132 $sub = new Subscription();
133 $sub->subscribed = $profile->id;
136 while ($sub->fetch()) {
138 $other = Remote_profile::staticGet('id', $sub->subscriber);
140 $other = User::staticGet('id', $sub->subscriber);
143 common_debug('Got a bad subscription: '.print_r($sub,TRUE));
146 if (array_key_exists($other->uri, $person)) {
147 $person[$other->uri][0] = BOTH;
149 $person[$other->uri] = array(LISTENER, $other);
154 common_element_end('Person');
156 foreach ($person as $uri => $p) {
158 if ($p[1] instanceof User) {
159 $foaf_url = common_local_url('foaf', array('nickname' => $p[1]->nickname));
161 $profile = Profile::staticGet($p[1]->id);
162 common_element_start('Person', array('rdf:about' => $uri));
163 if ($p[0] == LISTENER || $p[0] == BOTH) {
164 common_element('knows', array('rdf:resource' => $user->uri));
166 $this->show_microblogging_account($profile, ($p[1] instanceof User) ?
167 common_root_url() : NULL);
169 common_element('rdfs:seeAlso', array('rdf:resource' => $foaf_url));
171 common_element_end('Person');
173 $this->show_ppd($foaf_url, $uri);
177 common_element_end('rdf:RDF');
180 function show_ppd($foaf_url, $person_uri) {
181 common_element_start('PersonalProfileDocument', array('rdf:about' => $foaf_url));
182 common_element('maker', array('rdf:resource' => $person_uri));
183 common_element('primaryTopic', array('rdf:resource' => $person_uri));
184 common_element_end('PersonalProfileDocument');
187 function show_microblogging_account($profile, $service=NULL) {
189 common_element_start('holdsAccount');
190 common_element_start('OnlineAccount');
192 common_element('accountServiceHomepage', array('rdf:resource' =>
195 common_element('accountName', NULL, $profile->nickname);
196 common_element('homepage', array('rdf:resource' => $profile->profileurl));
197 common_element_end('OnlineAccount');
198 common_element_end('holdsAccount');