3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2008, 2009, StatusNet, 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('STATUSNET') && !defined('LACONICA')) { exit(1); }
22 define('LISTENER', 1);
23 define('LISTENEE', -1);
26 // @todo XXX: Documentation missing.
27 class FoafAction extends Action
29 function isReadOnly(array $args=array())
34 function prepare(array $args=array())
36 parent::prepare($args);
38 $nickname_arg = $this->arg('nickname');
40 if (empty($nickname_arg)) {
41 // TRANS: Client error displayed when requesting Friends of a Friend feed without providing a user nickname.
42 $this->clientError(_('No such user.'), 404);
45 $this->nickname = common_canonical_nickname($nickname_arg);
47 // Permanent redirect on non-canonical nickname
49 if ($nickname_arg != $this->nickname) {
50 common_redirect(common_local_url('foaf',
51 array('nickname' => $this->nickname)),
55 $this->user = User::getKV('nickname', $this->nickname);
58 // TRANS: Client error displayed when requesting Friends of a Friend feed for an object that is not a user.
59 $this->clientError(_('No such user.'), 404);
62 $this->profile = $this->user->getProfile();
64 if (!$this->profile) {
65 // TRANS: Error message displayed when referring to a user without a profile.
66 $this->serverError(_('User has no profile.'), 500);
72 function handle(array $args=array())
74 parent::handle($args);
76 header('Content-Type: application/rdf+xml');
79 $this->elementStart('rdf:RDF', array('xmlns:rdf' =>
80 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
82 'http://www.w3.org/2000/01/rdf-schema#',
84 'http://www.w3.org/2003/01/geo/wgs84_pos#',
86 'http://purl.org/vocab/bio/0.1/',
88 'http://rdfs.org/sioc/ns#',
89 'xmlns' => 'http://xmlns.com/foaf/0.1/'));
91 // This is the document about the user
93 $this->showPpd('', $this->user->getUri());
95 // Would be nice to tell if they were a Person or not (e.g. a #person usertag?)
96 $this->elementStart('Agent', array('rdf:about' => $this->user->getUri()));
97 if ($this->user->email) {
98 $this->element('mbox_sha1sum', null, sha1('mailto:' . $this->user->email));
100 if ($this->profile->fullname) {
101 $this->element('name', null, $this->profile->fullname);
103 if ($this->profile->homepage) {
104 $this->element('homepage', array('rdf:resource' => $this->profile->homepage));
106 if ($this->profile->profileurl) {
107 $this->element('weblog', array('rdf:resource' => $this->profile->profileurl));
109 if ($this->profile->bio) {
110 $this->element('bio:olb', null, $this->profile->bio);
113 $location = $this->profile->getLocation();
116 if ($location->getRdfURL()) {
117 $attr['rdf:about'] = $location->getRdfURL();
119 $location_name = $location->getName();
121 $this->elementStart('based_near');
122 $this->elementStart('geo:SpatialThing', $attr);
123 if ($location_name) {
124 $this->element('name', null, $location_name);
126 if ($location->lat) {
127 $this->element('geo:lat', null, $location->lat);
129 if ($location->lon) {
130 $this->element('geo:long', null, $location->lon);
132 if ($location->getURL()) {
133 $this->element('page', array('rdf:resource'=>$location->getURL()));
135 $this->elementEnd('geo:SpatialThing');
136 $this->elementEnd('based_near');
140 $avatar = Avatar::getUploaded($this->profile);
141 $this->elementStart('img');
142 $this->elementStart('Image', array('rdf:about' => $avatar->displayUrl()));
143 foreach (array(AVATAR_PROFILE_SIZE, AVATAR_STREAM_SIZE, AVATAR_MINI_SIZE) as $size) {
145 $scaled = $this->profile->getAvatar($size);
146 $this->elementStart('thumbnail');
147 $this->element('Image', array('rdf:about' => $scaled->displayUrl()));
148 $this->elementEnd('thumbnail');
149 } catch (Exception $e) {
150 // This avatar did not exist
153 $this->elementEnd('Image');
154 $this->elementEnd('img');
155 } catch (NoAvatarException $e) {
156 // No avatar for this user!
159 $person = $this->showMicrobloggingAccount($this->profile,
160 common_root_url(), $this->user->getUri(),
161 /*$fetchSubscriptions*/true,
162 /*$isSubscriber*/false);
164 // Get people who subscribe to user
166 $sub = new Subscription();
167 $sub->subscribed = $this->profile->id;
168 $sub->whereAdd('subscriber != subscribed');
171 while ($sub->fetch()) {
172 $profile = Profile::getKV('id', $sub->subscriber);
173 if (!$profile instanceof Profile) {
174 common_debug('Got a bad subscription: '.print_r($sub,true));
177 $other_uri = $profile->getUri();
178 if (array_key_exists($other_uri, $person)) {
179 $person[$other_uri][0] = BOTH;
181 $person[$other_uri] = array(LISTENER,
184 $profile->isLocal() ? 'local' : 'remote');
192 foreach ($person as $uri => $p) {
193 list($type, $id, $nickname, $local) = $p;
195 $this->element('knows', array('rdf:resource' => $uri));
199 $this->elementEnd('Agent');
202 foreach ($person as $uri => $p) {
204 list($type, $id, $nickname, $local) = $p;
205 if ($local == 'local') {
206 $foaf_url = common_local_url('foaf', array('nickname' => $nickname));
208 $profile = Profile::getKV($id);
209 $this->elementStart('Agent', array('rdf:about' => $uri));
211 $this->element('knows', array('rdf:resource' => $this->user->getUri()));
213 $this->showMicrobloggingAccount($profile,
214 ($local == 'local') ? common_root_url() : null,
216 /*$fetchSubscriptions*/false,
217 /*$isSubscriber*/($type == LISTENER || $type == BOTH));
219 $this->element('rdfs:seeAlso', array('rdf:resource' => $foaf_url));
221 $this->elementEnd('Agent');
223 $this->showPpd($foaf_url, $uri);
230 $this->elementEnd('rdf:RDF');
234 function showPpd($foaf_url, $person_uri)
236 $this->elementStart('PersonalProfileDocument', array('rdf:about' => $foaf_url));
237 $this->element('maker', array('rdf:resource' => $person_uri));
238 $this->element('primaryTopic', array('rdf:resource' => $person_uri));
239 $this->elementEnd('PersonalProfileDocument');
243 * Output FOAF <account> bit for the given profile.
245 * @param Profile $profile
246 * @param mixed $service Root URL of this StatusNet instance for a local
247 * user, otherwise null.
248 * @param mixed $useruri URI string for the referenced profile..
249 * @param boolean $fetchSubscriptions Should we load and list all their subscriptions?
250 * @param boolean $isSubscriber if not fetching subs, we can still mark the user as following the current page.
252 * @return array if $fetchSubscribers is set, return a list of info on those
255 function showMicrobloggingAccount($profile, $service=null, $useruri=null, $fetchSubscriptions=false, $isSubscriber=false)
259 $attr['rdf:about'] = $useruri . '#acct';
263 $this->elementStart('account');
264 $this->elementStart('OnlineAccount', $attr);
266 $this->element('accountServiceHomepage', array('rdf:resource' =>
269 $this->element('accountName', null, $profile->nickname);
270 $this->element('accountProfilePage', array('rdf:resource' => $profile->profileurl));
272 $this->element('sioc:account_of', array('rdf:resource'=>$useruri));
277 if ($fetchSubscriptions) {
278 // Get people user is subscribed to
279 $sub = new Subscription();
280 $sub->subscriber = $profile->id;
281 $sub->whereAdd('subscriber != subscribed');
284 while ($sub->fetch()) {
285 $profile = Profile::getKV('id', $sub->subscribed);
286 if (empty($profile)) {
287 common_debug('Got a bad subscription: '.print_r($sub,true));
290 $other_uri = $profile->getUri();
291 $this->element('sioc:follows', array('rdf:resource' => $other_uri.'#acct'));
292 $person[$other_uri] = array(LISTENEE,
295 $profile->isLocal() ? 'local' : 'remote');
301 } else if ($isSubscriber) {
302 // Just declare that they follow the user whose FOAF we're showing.
303 $this->element('sioc:follows', array('rdf:resource' => $this->user->getUri() . '#acct'));
306 $this->elementEnd('OnlineAccount');
307 $this->elementEnd('account');