define('LISTENEE', -1);
define('BOTH', 0);
-class FoafAction extends Action {
-
- function handle($args) {
- parent::handle($args);
-
- $nickname = $this->trimmed('nickname');
-
- $user = User::staticGet('nickname', $nickname);
-
- if (!$user) {
- common_user_error(_('No such user'), 404);
- return;
- }
-
- $profile = $user->getProfile();
-
- if (!$profile) {
- common_server_error(_('User has no profile'), 500);
- return;
- }
-
- header('Content-Type: application/rdf+xml');
-
- common_start_xml();
- common_element_start('rdf:RDF', array('xmlns:rdf' =>
- 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
- 'xmlns:rdfs' =>
- 'http://www.w3.org/2000/01/rdf-schema#',
- 'xmlns:geo' =>
- 'http://www.w3.org/2003/01/geo/wgs84_pos#',
- 'xmlns' => 'http://xmlns.com/foaf/0.1/'));
-
- # This is the document about the user
-
- $this->show_ppd('', $user->uri);
-
- # XXX: might not be a person
- common_element_start('Person', array('rdf:about' =>
- $user->uri));
- common_element('mbox_sha1sum', NULL, sha1('mailto:' . $user->email));
- if ($profile->fullname) {
- common_element('name', NULL, $profile->fullname);
- }
- if ($profile->homepage) {
- common_element('homepage', array('rdf:resource' => $profile->homepage));
- }
- if ($profile->bio) {
- common_element('rdfs:comment', NULL, $profile->bio);
- }
- # XXX: more structured location data
- if ($profile->location) {
- common_element_start('based_near');
- common_element_start('geo:SpatialThing');
- common_element('name', NULL, $profile->location);
- common_element_end('geo:SpatialThing');
- common_element_end('based_near');
- }
-
- $this->show_microblogging_account($profile, common_root_url());
-
- $avatar = $profile->getOriginalAvatar();
-
- if ($avatar) {
- common_element_start('img');
- common_element_start('Image', array('rdf:about' => $avatar->url));
- foreach (array(AVATAR_PROFILE_SIZE, AVATAR_STREAM_SIZE, AVATAR_MINI_SIZE) as $size) {
- $scaled = $profile->getAvatar($size);
- if (!$scaled->original) { # sometimes the original has one of our scaled sizes
- common_element_start('thumbnail');
- common_element('Image', array('rdf:about' => $scaled->url));
- common_element_end('thumbnail');
- }
- }
- common_element_end('Image');
- common_element_end('img');
- }
-
- # Get people user is subscribed to
-
- $person = array();
-
- $sub = new Subscription();
- $sub->subscriber = $profile->id;
-
- if ($sub->find()) {
- while ($sub->fetch()) {
- if ($sub->token) {
- $other = Remote_profile::staticGet('id', $sub->subscribed);
- } else {
- $other = User::staticGet('id', $sub->subscribed);
- }
- if (!$other) {
- common_debug('Got a bad subscription: '.print_r($sub,TRUE));
- continue;
- }
- common_element('knows', array('rdf:resource' => $other->uri));
- $person[$other->uri] = array(LISTENEE, $other);
- }
- }
-
- # Get people who subscribe to user
-
- $sub = new Subscription();
- $sub->subscribed = $profile->id;
-
- if ($sub->find()) {
- while ($sub->fetch()) {
- if ($sub->token) {
- $other = Remote_profile::staticGet('id', $sub->subscriber);
- } else {
- $other = User::staticGet('id', $sub->subscriber);
- }
- if (!$other) {
- common_debug('Got a bad subscription: '.print_r($sub,TRUE));
- continue;
- }
- if (array_key_exists($other->uri, $person)) {
- $person[$other->uri][0] = BOTH;
- } else {
- $person[$other->uri] = array(LISTENER, $other);
- }
- }
- }
-
- common_element_end('Person');
-
- foreach ($person as $uri => $p) {
- $foaf_url = NULL;
- if ($p[1] instanceof User) {
- $foaf_url = common_local_url('foaf', array('nickname' => $p[1]->nickname));
- }
- $profile = Profile::staticGet($p[1]->id);
- common_element_start('Person', array('rdf:about' => $uri));
- if ($p[0] == LISTENER || $p[0] == BOTH) {
- common_element('knows', array('rdf:resource' => $user->uri));
- }
- $this->show_microblogging_account($profile, ($p[1] instanceof User) ?
- common_root_url() : NULL);
- if ($foaf_url) {
- common_element('rdfs:seeAlso', array('rdf:resource' => $foaf_url));
- }
- common_element_end('Person');
- if ($foaf_url) {
- $this->show_ppd($foaf_url, $uri);
- }
- }
-
- common_element_end('rdf:RDF');
- }
-
- function show_ppd($foaf_url, $person_uri) {
- common_element_start('PersonalProfileDocument', array('rdf:about' => $foaf_url));
- common_element('maker', array('rdf:resource' => $person_uri));
- common_element('primaryTopic', array('rdf:resource' => $person_uri));
- common_element_end('PersonalProfileDocument');
- }
-
- function show_microblogging_account($profile, $service=NULL) {
- # Their account
- common_element_start('holdsAccount');
- common_element_start('OnlineAccount');
- if ($service) {
- common_element('accountServiceHomepage', array('rdf:resource' =>
- $service));
- }
- common_element('accountName', NULL, $profile->nickname);
- common_element('homepage', array('rdf:resource' => $profile->profileurl));
- common_element_end('OnlineAccount');
- common_element_end('holdsAccount');
- }
+class FoafAction extends Action
+{
+ function isReadOnly($args)
+ {
+ return true;
+ }
+
+ function prepare($args)
+ {
+ parent::prepare($args);
+
+ $nickname_arg = $this->arg('nickname');
+
+ if (empty($nickname_arg)) {
+ $this->clientError(_('No such user.'), 404);
+ return false;
+ }
+
+ $this->nickname = common_canonical_nickname($nickname_arg);
+
+ // Permanent redirect on non-canonical nickname
+
+ if ($nickname_arg != $this->nickname) {
+ common_redirect(common_local_url('foaf',
+ array('nickname' => $this->nickname)),
+ 301);
+ return false;
+ }
+
+ $this->user = User::staticGet('nickname', $this->nickname);
+
+ if (!$this->user) {
+ $this->clientError(_('No such user.'), 404);
+ return false;
+ }
+
+ $this->profile = $this->user->getProfile();
+
+ if (!$this->profile) {
+ $this->serverError(_('User has no profile.'), 500);
+ return false;
+ }
+
+ return true;
+ }
+
+ function handle($args)
+ {
+ parent::handle($args);
+
+ header('Content-Type: application/rdf+xml');
+
+ $this->startXML();
+ $this->elementStart('rdf:RDF', array('xmlns:rdf' =>
+ 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
+ 'xmlns:rdfs' =>
+ 'http://www.w3.org/2000/01/rdf-schema#',
+ 'xmlns:geo' =>
+ 'http://www.w3.org/2003/01/geo/wgs84_pos#',
+ 'xmlns' => 'http://xmlns.com/foaf/0.1/'));
+
+ // This is the document about the user
+
+ $this->showPpd('', $this->user->uri);
+
+ // XXX: might not be a person
+ $this->elementStart('Person', array('rdf:about' =>
+ $this->user->uri));
+ $this->element('mbox_sha1sum', null, sha1('mailto:' . $this->user->email));
+ if ($this->profile->fullname) {
+ $this->element('name', null, $this->profile->fullname);
+ }
+ if ($this->profile->homepage) {
+ $this->element('homepage', array('rdf:resource' => $this->profile->homepage));
+ }
+ if ($this->profile->bio) {
+ $this->element('rdfs:comment', null, $this->profile->bio);
+ }
+ // XXX: more structured location data
+ if ($this->profile->location) {
+ $this->elementStart('based_near');
+ $this->elementStart('geo:SpatialThing');
+ $this->element('name', null, $this->profile->location);
+ $this->elementEnd('geo:SpatialThing');
+ $this->elementEnd('based_near');
+ }
+
+ $this->showMicrobloggingAccount($this->profile, common_root_url());
+
+ $avatar = $this->profile->getOriginalAvatar();
+
+ if ($avatar) {
+ $this->elementStart('img');
+ $this->elementStart('Image', array('rdf:about' => $avatar->url));
+ foreach (array(AVATAR_PROFILE_SIZE, AVATAR_STREAM_SIZE, AVATAR_MINI_SIZE) as $size) {
+ $scaled = $this->profile->getAvatar($size);
+ if (!$scaled->original) { // sometimes the original has one of our scaled sizes
+ $this->elementStart('thumbnail');
+ $this->element('Image', array('rdf:about' => $scaled->url));
+ $this->elementEnd('thumbnail');
+ }
+ }
+ $this->elementEnd('Image');
+ $this->elementEnd('img');
+ }
+
+ // Get people user is subscribed to
+
+ $person = array();
+
+ $sub = new Subscription();
+ $sub->subscriber = $this->profile->id;
+ $sub->whereAdd('subscriber != subscribed');
+
+ if ($sub->find()) {
+ while ($sub->fetch()) {
+ if (!empty($sub->token)) {
+ $other = Remote_profile::staticGet('id', $sub->subscribed);
+ } else {
+ $other = User::staticGet('id', $sub->subscribed);
+ }
+ if (empty($other)) {
+ common_debug('Got a bad subscription: '.print_r($sub,true));
+ continue;
+ }
+ $this->element('knows', array('rdf:resource' => $other->uri));
+ $person[$other->uri] = array(LISTENEE,
+ $other->id,
+ $other->nickname,
+ (empty($sub->token)) ? 'User' : 'Remote_profile');
+ $other->free();
+ $other = null;
+ unset($other);
+ }
+ }
+
+ $sub->free();
+ $sub = null;
+ unset($sub);
+
+ // Get people who subscribe to user
+
+ $sub = new Subscription();
+ $sub->subscribed = $this->profile->id;
+ $sub->whereAdd('subscriber != subscribed');
+
+ if ($sub->find()) {
+ while ($sub->fetch()) {
+ if ($sub->token) {
+ $other = Remote_profile::staticGet('id', $sub->subscriber);
+ } else {
+ $other = User::staticGet('id', $sub->subscriber);
+ }
+ if (!$other) {
+ common_debug('Got a bad subscription: '.print_r($sub,true));
+ continue;
+ }
+ if (array_key_exists($other->uri, $person)) {
+ $person[$other->uri][0] = BOTH;
+ } else {
+ $person[$other->uri] = array(LISTENER,
+ $other->id,
+ $other->nickname,
+ (empty($sub->token)) ? 'User' : 'Remote_profile');
+ }
+ $other->free();
+ $other = null;
+ unset($other);
+ }
+ }
+
+ $sub->free();
+ $sub = null;
+ unset($sub);
+
+ $this->elementEnd('Person');
+
+ foreach ($person as $uri => $p) {
+ $foaf_url = null;
+ list($type, $id, $nickname, $cls) = $p;
+ if ($cls == 'User') {
+ $foaf_url = common_local_url('foaf', array('nickname' => $nickname));
+ }
+ $profile = Profile::staticGet($id);
+ $this->elementStart('Person', array('rdf:about' => $uri));
+ if ($type == LISTENER || $type == BOTH) {
+ $this->element('knows', array('rdf:resource' => $this->user->uri));
+ }
+ $this->showMicrobloggingAccount($profile, ($cls == 'User') ?
+ common_root_url() : null);
+ if ($foaf_url) {
+ $this->element('rdfs:seeAlso', array('rdf:resource' => $foaf_url));
+ }
+ $this->elementEnd('Person');
+ if ($foaf_url) {
+ $this->showPpd($foaf_url, $uri);
+ }
+ $profile->free();
+ $profile = null;
+ unset($profile);
+ }
+
+ $this->elementEnd('rdf:RDF');
+ $this->endXML();
+ }
+
+ function showPpd($foaf_url, $person_uri)
+ {
+ $this->elementStart('PersonalProfileDocument', array('rdf:about' => $foaf_url));
+ $this->element('maker', array('rdf:resource' => $person_uri));
+ $this->element('primaryTopic', array('rdf:resource' => $person_uri));
+ $this->elementEnd('PersonalProfileDocument');
+ }
+
+ function showMicrobloggingAccount($profile, $service=null)
+ {
+ // Their account
+ $this->elementStart('holdsAccount');
+ $this->elementStart('OnlineAccount');
+ if ($service) {
+ $this->element('accountServiceHomepage', array('rdf:resource' =>
+ $service));
+ }
+ $this->element('accountName', null, $profile->nickname);
+ $this->element('homepage', array('rdf:resource' => $profile->profileurl));
+ $this->elementEnd('OnlineAccount');
+ $this->elementEnd('holdsAccount');
+ }
}