747 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			747 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| /*
 | |
|  * StatusNet - the distributed open-source microblogging tool
 | |
|  * Copyright (C) 2009-2010, StatusNet, Inc.
 | |
|  *
 | |
|  * This program is free software: you can redistribute it and/or modify
 | |
|  * it under the terms of the GNU Affero General Public License as published by
 | |
|  * the Free Software Foundation, either version 3 of the License, or
 | |
|  * (at your option) any later version.
 | |
|  *
 | |
|  * This program is distributed in the hope that it will be useful,
 | |
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | |
|  * GNU Affero General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU Affero General Public License
 | |
|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * @package OStatusPlugin
 | |
|  * @maintainer Brion Vibber <brion@status.net>
 | |
|  */
 | |
| 
 | |
| class Ostatus_profile extends Memcached_DataObject
 | |
| {
 | |
|     public $__table = 'ostatus_profile';
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| 
 | |
|     public $uri;
 | |
| 
 | |
|     public $profile_id;
 | |
|     public $group_id;
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| 
 | |
|     public $feeduri;
 | |
|     public $salmonuri;
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| 
 | |
|     public $created;
 | |
|     public $modified;
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| 
 | |
|     public /*static*/ function staticGet($k, $v=null)
 | |
|     {
 | |
|         return parent::staticGet(__CLASS__, $k, $v);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * return table definition for DB_DataObject
 | |
|      *
 | |
|      * DB_DataObject needs to know something about the table to manipulate
 | |
|      * instances. This method provides all the DB_DataObject needs to know.
 | |
|      *
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|      * @return array array of column definitions
 | |
|      */
 | |
| 
 | |
|     function table()
 | |
|     {
 | |
|         return array('uri' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
 | |
|                      'profile_id' => DB_DATAOBJECT_INT,
 | |
|                      'group_id' => DB_DATAOBJECT_INT,
 | |
|                      'feeduri' => DB_DATAOBJECT_STR,
 | |
|                      'salmonuri' =>  DB_DATAOBJECT_STR,
 | |
|                      'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL,
 | |
|                      'modified' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
 | |
|     }
 | |
| 
 | |
|     static function schemaDef()
 | |
|     {
 | |
|         return array(new ColumnDef('uri', 'varchar',
 | |
|                                    255, false, 'PRI'),
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|                      new ColumnDef('profile_id', 'integer',
 | |
|                                    null, true, 'UNI'),
 | |
|                      new ColumnDef('group_id', 'integer',
 | |
|                                    null, true, 'UNI'),
 | |
|                      new ColumnDef('feeduri', 'varchar',
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|                                    255, true, 'UNI'),
 | |
|                      new ColumnDef('salmonuri', 'text',
 | |
|                                    null, true),
 | |
|                      new ColumnDef('created', 'datetime',
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|                                    null, false),
 | |
|                      new ColumnDef('modified', 'datetime',
 | |
|                                    null, false));
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * return key definitions for DB_DataObject
 | |
|      *
 | |
|      * DB_DataObject needs to know about keys that the table has; this function
 | |
|      * defines them.
 | |
|      *
 | |
|      * @return array key definitions
 | |
|      */
 | |
| 
 | |
|     function keys()
 | |
|     {
 | |
|         return array_keys($this->keyTypes());
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * return key definitions for Memcached_DataObject
 | |
|      *
 | |
|      * Our caching system uses the same key definitions, but uses a different
 | |
|      * method to get them.
 | |
|      *
 | |
|      * @return array key definitions
 | |
|      */
 | |
| 
 | |
|     function keyTypes()
 | |
|     {
 | |
|         return array('uri' => 'K', 'profile_id' => 'U', 'group_id' => 'U', 'feeduri' => 'U');
 | |
|     }
 | |
| 
 | |
|     function sequenceKey()
 | |
|     {
 | |
|         return array(false, false, false);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Fetch the StatusNet-side profile for this feed
 | |
|      * @return Profile
 | |
|      */
 | |
|     public function localProfile()
 | |
|     {
 | |
|         if ($this->profile_id) {
 | |
|             return Profile::staticGet('id', $this->profile_id);
 | |
|         }
 | |
|         return null;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Fetch the StatusNet-side profile for this feed
 | |
|      * @return Profile
 | |
|      */
 | |
|     public function localGroup()
 | |
|     {
 | |
|         if ($this->group_id) {
 | |
|             return User_group::staticGet('id', $this->group_id);
 | |
|         }
 | |
|         return null;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Returns an XML string fragment with profile information as an
 | |
|      * Activity Streams noun object with the given element type.
 | |
|      *
 | |
|      * Assumes that 'activity' namespace has been previously defined.
 | |
|      *
 | |
|      * @param string $element one of 'actor', 'subject', 'object', 'target'
 | |
|      * @return string
 | |
|      */
 | |
|     function asActivityNoun($element)
 | |
|     {
 | |
|         $xs = new XMLStringer(true);
 | |
|         $avatarHref = Avatar::defaultImage(AVATAR_PROFILE_SIZE);
 | |
|         $avatarType = 'image/png';
 | |
|         if ($this->isGroup()) {
 | |
|             $type = 'http://activitystrea.ms/schema/1.0/group';
 | |
|             $self = $this->localGroup();
 | |
| 
 | |
|             // @fixme put a standard getAvatar() interface on groups too
 | |
|             if ($self->homepage_logo) {
 | |
|                 $avatarHref = $self->homepage_logo;
 | |
|                 $map = array('png' => 'image/png',
 | |
|                              'jpg' => 'image/jpeg',
 | |
|                              'jpeg' => 'image/jpeg',
 | |
|                              'gif' => 'image/gif');
 | |
|                 $extension = pathinfo(parse_url($avatarHref, PHP_URL_PATH), PATHINFO_EXTENSION);
 | |
|                 if (isset($map[$extension])) {
 | |
|                     $avatarType = $map[$extension];
 | |
|                 }
 | |
|             }
 | |
|         } else {
 | |
|             $type = 'http://activitystrea.ms/schema/1.0/person';
 | |
|             $self = $this->localProfile();
 | |
|             $avatar = $self->getAvatar(AVATAR_PROFILE_SIZE);
 | |
|             if ($avatar) {
 | |
|                   $avatarHref = $avatar->url;
 | |
|                   $avatarType = $avatar->mediatype;
 | |
|             }
 | |
|         }
 | |
|         $xs->elementStart('activity:' . $element);
 | |
|         $xs->element(
 | |
|             'activity:object-type',
 | |
|             null,
 | |
|             $type
 | |
|         );
 | |
|         $xs->element(
 | |
|             'id',
 | |
|             null,
 | |
|             $this->uri); // ?
 | |
|         $xs->element('title', null, $self->getBestName());
 | |
| 
 | |
|         $xs->element(
 | |
|             'link', array(
 | |
|                 'type' => $avatarType,
 | |
|                 'href' => $avatarHref
 | |
|             ),
 | |
|             ''
 | |
|         );
 | |
| 
 | |
|         $xs->elementEnd('activity:' . $element);
 | |
| 
 | |
|         return $xs->getString();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Damn dirty hack!
 | |
|      */
 | |
|     function isGroup()
 | |
|     {
 | |
|         return (strpos($this->feeduri, '/groups/') !== false);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Subscribe a local user to this remote user.
 | |
|      * PuSH subscription will be started if necessary, and we'll
 | |
|      * send a Salmon notification to the remote server if available
 | |
|      * notifying them of the sub.
 | |
|      *
 | |
|      * @param User $user
 | |
|      * @return boolean success
 | |
|      * @throws FeedException
 | |
|      */
 | |
|     public function subscribeLocalToRemote(User $user)
 | |
|     {
 | |
|         if ($this->isGroup()) {
 | |
|             throw new ServerException("Can't subscribe to a remote group");
 | |
|         }
 | |
| 
 | |
|         if ($this->subscribe()) {
 | |
|             if ($user->subscribeTo($this->localProfile())) {
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|                 $this->notify($user->getProfile(), ActivityVerb::FOLLOW, $this);
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|                 return true;
 | |
|             }
 | |
|         }
 | |
|         return false;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Mark this remote profile as subscribing to the given local user,
 | |
|      * and send appropriate notifications to the user.
 | |
|      *
 | |
|      * This will generally be in response to a subscription notification
 | |
|      * from a foreign site to our local Salmon response channel.
 | |
|      *
 | |
|      * @param User $user
 | |
|      * @return boolean success
 | |
|      */
 | |
|     public function subscribeRemoteToLocal(User $user)
 | |
|     {
 | |
|         if ($this->isGroup()) {
 | |
|             throw new ServerException("Remote groups can't subscribe to local users");
 | |
|         }
 | |
| 
 | |
|         // @fixme use regular channels for subbing, once they accept remote profiles
 | |
|         $sub = new Subscription();
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|         $sub->subscriber = $this->profile_id;
 | |
|         $sub->subscribed = $user->id;
 | |
|         $sub->created = common_sql_now(); // current time
 | |
| 
 | |
|         if ($sub->insert()) {
 | |
|             // @fixme use subs_notify() if refactored to take profiles?
 | |
|             mail_subscribe_notify_profile($user, $this->localProfile());
 | |
|             return true;
 | |
|         }
 | |
|         return false;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Send a subscription request to the hub for this feed.
 | |
|      * The hub will later send us a confirmation POST to /main/push/callback.
 | |
|      *
 | |
|      * @return bool true on success, false on failure
 | |
|      * @throws ServerException if feed state is not valid
 | |
|      */
 | |
|     public function subscribe()
 | |
|     {
 | |
|         $feedsub = FeedSub::ensureFeed($this->feeduri);
 | |
|         if ($feedsub->sub_state == 'active' || $feedsub->sub_state == 'subscribe') {
 | |
|             return true;
 | |
|         } else if ($feedsub->sub_state == '' || $feedsub->sub_state == 'inactive') {
 | |
|             return $feedsub->subscribe();
 | |
|         } else if ('unsubscribe') {
 | |
|             throw new FeedSubException("Unsub is pending, can't subscribe...");
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Send a PuSH unsubscription request to the hub for this feed.
 | |
|      * The hub will later send us a confirmation POST to /main/push/callback.
 | |
|      *
 | |
|      * @return bool true on success, false on failure
 | |
|      * @throws ServerException if feed state is not valid
 | |
|      */
 | |
|     public function unsubscribe() {
 | |
|         $feedsub = FeedSub::staticGet('uri', $this->feeduri);
 | |
|         if ($feedsub->sub_state == 'active') {
 | |
|             return $feedsub->unsubscribe();
 | |
|         } else if ($feedsub->sub_state == '' || $feedsub->sub_state == 'inactive' || $feedsub->sub_state == 'unsubscribe') {
 | |
|             return true;
 | |
|         } else if ($feedsub->sub_state == 'subscribe') {
 | |
|             throw new FeedSubException("Feed is awaiting subscription, can't unsub...");
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Send an Activity Streams notification to the remote Salmon endpoint,
 | |
|      * if so configured.
 | |
|      *
 | |
|      * @param Profile $actor
 | |
|      * @param $verb eg Activity::SUBSCRIBE or Activity::JOIN
 | |
|      * @param string $object object of the action; if null, the remote entity itself is assumed
 | |
|      */
 | |
|     public function notify($actor, $verb, $object=null)
 | |
|     {
 | |
|         if (!($actor instanceof Profile)) {
 | |
|             $type = gettype($actor);
 | |
|             if ($type == 'object') {
 | |
|                 $type = get_class($actor);
 | |
|             }
 | |
|             throw new ServerException("Invalid actor passed to " . __METHOD__ . ": " . $type);
 | |
|         }
 | |
|         if ($object == null) {
 | |
|             $object = $this;
 | |
|         }
 | |
|         if ($this->salmonuri) {
 | |
|             $text = 'update'; // @fixme
 | |
|             $id = 'tag:' . common_config('site', 'server') .
 | |
|                 ':' . $verb .
 | |
|                 ':' . $actor->id .
 | |
|                 ':' . time(); // @fixme
 | |
| 
 | |
|             // @fixme consolidate all these NS settings somewhere
 | |
|             $attributes = array('xmlns' => Activity::ATOM,
 | |
|                                 'xmlns:activity' => 'http://activitystrea.ms/spec/1.0/',
 | |
|                                 'xmlns:thr' => 'http://purl.org/syndication/thread/1.0',
 | |
|                                 'xmlns:georss' => 'http://www.georss.org/georss',
 | |
|                                 'xmlns:ostatus' => 'http://ostatus.org/schema/1.0');
 | |
| 
 | |
|             $entry = new XMLStringer();
 | |
|             $entry->elementStart('entry', $attributes);
 | |
|             $entry->element('id', null, $id);
 | |
|             $entry->element('title', null, $text);
 | |
|             $entry->element('summary', null, $text);
 | |
|             $entry->element('published', null, common_date_w3dtf(common_sql_now()));
 | |
| 
 | |
|             $entry->element('activity:verb', null, $verb);
 | |
|             $entry->raw($actor->asAtomAuthor());
 | |
|             $entry->raw($actor->asActivityActor());
 | |
|             $entry->raw($object->asActivityNoun('object'));
 | |
|             $entry->elementEnd('entry');
 | |
| 
 | |
|             $xml = $entry->getString();
 | |
|             common_log(LOG_INFO, "Posting to Salmon endpoint $this->salmonuri: $xml");
 | |
| 
 | |
|             $salmon = new Salmon(); // ?
 | |
|             $salmon->post($this->salmonuri, $xml);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     function getBestName()
 | |
|     {
 | |
|         if ($this->isGroup()) {
 | |
|             return $this->localGroup()->getBestName();
 | |
|         } else {
 | |
|             return $this->localProfile()->getBestName();
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     function atomFeed($actor)
 | |
|     {
 | |
|         $feed = new Atom10Feed();
 | |
|         // @fixme should these be set up somewhere else?
 | |
|         $feed->addNamespace('activity', 'http://activitystrea.ms/spec/1.0/');
 | |
|         $feed->addNamespace('thr', 'http://purl.org/syndication/thread/1.0');
 | |
|         $feed->addNamespace('georss', 'http://www.georss.org/georss');
 | |
|         $feed->addNamespace('ostatus', 'http://ostatus.org/schema/1.0');
 | |
| 
 | |
|         $taguribase = common_config('integration', 'taguri');
 | |
|         $feed->setId("tag:{$taguribase}:UserTimeline:{$actor->id}"); // ???
 | |
| 
 | |
|         $feed->setTitle($actor->getBestName() . ' timeline'); // @fixme
 | |
|         $feed->setUpdated(time());
 | |
|         $feed->setPublished(time());
 | |
| 
 | |
|         $feed->addLink(common_local_url('ApiTimelineUser',
 | |
|                                         array('id' => $actor->id,
 | |
|                                               'type' => 'atom')),
 | |
|                        array('rel' => 'self',
 | |
|                              'type' => 'application/atom+xml'));
 | |
| 
 | |
|         $feed->addLink(common_local_url('userbyid',
 | |
|                                         array('id' => $actor->id)),
 | |
|                        array('rel' => 'alternate',
 | |
|                              'type' => 'text/html'));
 | |
| 
 | |
|         return $feed;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Read and post notices for updates from the feed.
 | |
|      * Currently assumes that all items in the feed are new,
 | |
|      * coming from a PuSH hub.
 | |
|      *
 | |
|      * @param DOMDocument $feed
 | |
|      */
 | |
|     public function processFeed($feed)
 | |
|     {
 | |
|         $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
 | |
|         if ($entries->length == 0) {
 | |
|             common_log(LOG_ERR, __METHOD__ . ": no entries in feed update, ignoring");
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         for ($i = 0; $i < $entries->length; $i++) {
 | |
|             $entry = $entries->item($i);
 | |
|             $this->processEntry($entry, $feed);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Process a posted entry from this feed source.
 | |
|      *
 | |
|      * @param DOMElement $entry
 | |
|      * @param DOMElement $feed for context
 | |
|      */
 | |
|     protected function processEntry($entry, $feed)
 | |
|     {
 | |
|         $activity = new Activity($entry, $feed);
 | |
| 
 | |
|         $debug = var_export($activity, true);
 | |
|         common_log(LOG_DEBUG, $debug);
 | |
| 
 | |
|         if ($activity->verb == ActivityVerb::POST) {
 | |
|             $this->processPost($activity);
 | |
|         } else {
 | |
|             common_log(LOG_INFO, "Ignoring activity with unrecognized verb $activity->verb");
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Process an incoming post activity from this remote feed.
 | |
|      * @param Activity $activity
 | |
|      */
 | |
|     protected function processPost($activity)
 | |
|     {
 | |
|         if ($this->isGroup()) {
 | |
|             // @fixme validate these profiles in some way!
 | |
|             $oprofile = self::ensureActorProfile($activity);
 | |
|         } else {
 | |
|             $actorUri = self::getActorProfileURI($activity);
 | |
|             if ($actorUri == $this->uri) {
 | |
|                 // @fixme check if profile info has changed and update it
 | |
|             } else {
 | |
|                 // @fixme drop or reject the messages once we've got the canonical profile URI recorded sanely
 | |
|                 common_log(LOG_INFO, "OStatus: Warning: non-group post with unexpected author: $actorUri expected $this->uri");
 | |
|                 //return;
 | |
|             }
 | |
|             $oprofile = $this;
 | |
|         }
 | |
| 
 | |
|         $sourceUri = $activity->object->id;
 | |
| 
 | |
|         $dupe = Notice::staticGet('uri', $sourceUri);
 | |
| 
 | |
|         if ($dupe) {
 | |
|             common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         $sourceUrl = null;
 | |
| 
 | |
|         if ($activity->object->link) {
 | |
|             $sourceUrl = $activity->object->link;
 | |
|         } else if (preg_match('!^https?://!', $activity->object->id)) {
 | |
|             $sourceUrl = $activity->object->id;
 | |
|         }
 | |
| 
 | |
|         // @fixme sanitize and save HTML content if available
 | |
| 
 | |
|         $content = $activity->object->title;
 | |
| 
 | |
|         $params = array('is_local' => Notice::REMOTE_OMB,
 | |
|                         'url' => $sourceUrl,
 | |
|                         'uri' => $sourceUri);
 | |
| 
 | |
|         $location = $activity->context->location;
 | |
| 
 | |
|         if ($location) {
 | |
|             $params['lat'] = $location->lat;
 | |
|             $params['lon'] = $location->lon;
 | |
|             if ($location->location_id) {
 | |
|                 $params['location_ns'] = $location->location_ns;
 | |
|                 $params['location_id'] = $location->location_id;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // @fixme save detailed ostatus source info
 | |
|         // @fixme ensure that groups get handled correctly
 | |
| 
 | |
|         $saved = Notice::saveNew($oprofile->localProfile()->id,
 | |
|                                  $content,
 | |
|                                  'ostatus',
 | |
|                                  $params);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @param string $profile_url
 | |
|      * @return Ostatus_profile
 | |
|      * @throws FeedSubException
 | |
|      */
 | |
|     public static function ensureProfile($profile_uri)
 | |
|     {
 | |
|         // Get the canonical feed URI and check it
 | |
|         $discover = new FeedDiscovery();
 | |
|         $feeduri = $discover->discoverFromURL($profile_uri);
 | |
| 
 | |
|         //$feedsub = FeedSub::ensureFeed($feeduri, $discover->feed);
 | |
|         $huburi = $discover->getAtomLink('hub');
 | |
|         $salmonuri = $discover->getAtomLink('salmon');
 | |
| 
 | |
|         if (!$huburi) {
 | |
|             // We can only deal with folks with a PuSH hub
 | |
|             throw new FeedSubNoHubException();
 | |
|         }
 | |
| 
 | |
|         // Ok this is going to be a terrible hack!
 | |
|         // Won't be suitable for groups, empty feeds, or getting
 | |
|         // info that's only available on the profile page.
 | |
|         $entries = $discover->feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
 | |
|         if (!$entries || $entries->length == 0) {
 | |
|             throw new FeedSubException('empty feed');
 | |
|         }
 | |
|         $first = new Activity($entries->item(0), $discover->feed);
 | |
|         return self::ensureActorProfile($first, $feeduri, $salmonuri);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Download and update given avatar image
 | |
|      * @param string $url
 | |
|      * @throws Exception in various failure cases
 | |
|      */
 | |
|     protected function updateAvatar($url)
 | |
|     {
 | |
|         // @fixme this should be better encapsulated
 | |
|         // ripped from oauthstore.php (for old OMB client)
 | |
|         $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
 | |
|         copy($url, $temp_filename);
 | |
| 
 | |
|         if ($this->isGroup()) {
 | |
|             $id = $this->group_id;
 | |
|         } else {
 | |
|             $id = $this->profile_id;
 | |
|         }
 | |
|         // @fixme should we be using different ids?
 | |
|         $imagefile = new ImageFile($id, $temp_filename);
 | |
|         $filename = Avatar::filename($id,
 | |
|                                      image_type_to_extension($imagefile->type),
 | |
|                                      null,
 | |
|                                      common_timestamp());
 | |
|         rename($temp_filename, Avatar::path($filename));
 | |
|         if ($this->isGroup()) {
 | |
|             $group = $this->localGroup();
 | |
|             $group->setOriginal($filename);
 | |
|         } else {
 | |
|             $profile = $this->localProfile();
 | |
|             $profile->setOriginal($filename);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get an appropriate avatar image source URL, if available.
 | |
|      *
 | |
|      * @param ActivityObject $actor
 | |
|      * @param DOMElement $feed
 | |
|      * @return string
 | |
|      */
 | |
|     protected static function getAvatar($actor, $feed)
 | |
|     {
 | |
|         $url = '';
 | |
|         $icon = '';
 | |
|         if ($actor->avatar) {
 | |
|             $url = trim($actor->avatar);
 | |
|         }
 | |
|         if (!$url) {
 | |
|             // Check <atom:logo> and <atom:icon> on the feed
 | |
|             $els = $feed->childNodes();
 | |
|             if ($els && $els->length) {
 | |
|                 for ($i = 0; $i < $els->length; $i++) {
 | |
|                     $el = $els->item($i);
 | |
|                     if ($el->namespaceURI == Activity::ATOM) {
 | |
|                         if (empty($url) && $el->localName == 'logo') {
 | |
|                             $url = trim($el->textContent);
 | |
|                             break;
 | |
|                         }
 | |
|                         if (empty($icon) && $el->localName == 'icon') {
 | |
|                             // Use as a fallback
 | |
|                             $icon = trim($el->textContent);
 | |
|                         }
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
|             if ($icon && !$url) {
 | |
|                 $url = $icon;
 | |
|             }
 | |
|         }
 | |
|         if ($url) {
 | |
|             $opts = array('allowed_schemes' => array('http', 'https'));
 | |
|             if (Validate::uri($url, $opts)) {
 | |
|                 return $url;
 | |
|             }
 | |
|         }
 | |
|         return common_path('plugins/OStatus/images/96px-Feed-icon.svg.png');
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Fetch, or build if necessary, an Ostatus_profile for the actor
 | |
|      * in a given Activity Streams activity.
 | |
|      *
 | |
|      * @param Activity $activity
 | |
|      * @param string $feeduri if we already know the canonical feed URI!
 | |
|      * @param string $salmonuri if we already know the salmon return channel URI
 | |
|      * @return Ostatus_profile
 | |
|      */
 | |
|     public static function ensureActorProfile($activity, $feeduri=null, $salmonuri=null)
 | |
|     {
 | |
|         $profile = self::getActorProfile($activity);
 | |
|         if (!$profile) {
 | |
|             $profile = self::createActorProfile($activity, $feeduri, $salmonuri);
 | |
|         }
 | |
|         return $profile;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @param Activity $activity
 | |
|      * @return mixed matching Ostatus_profile or false if none known
 | |
|      */
 | |
|     protected static function getActorProfile($activity)
 | |
|     {
 | |
|         $homeuri = self::getActorProfileURI($activity);
 | |
|         return self::staticGet('uri', $homeuri);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @param Activity $activity
 | |
|      * @return string
 | |
|      * @throws ServerException
 | |
|      */
 | |
|     protected static function getActorProfileURI($activity)
 | |
|     {
 | |
|         $opts = array('allowed_schemes' => array('http', 'https'));
 | |
|         $actor = $activity->actor;
 | |
|         if ($actor->id && Validate::uri($actor->id, $opts)) {
 | |
|             return $actor->id;
 | |
|         }
 | |
|         if ($actor->link && Validate::uri($actor->link, $opts)) {
 | |
|             return $actor->link;
 | |
|         }
 | |
|         throw new ServerException("No author ID URI found");
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @fixme validate stuff somewhere
 | |
|      */
 | |
|     protected static function createActorProfile($activity, $feeduri=null, $salmonuri=null)
 | |
|     {
 | |
|         $actor = $activity->actor;
 | |
|         $homeuri = self::getActorProfileURI($activity);
 | |
|         $nickname = self::getAuthorNick($activity);
 | |
|         $avatar = self::getAvatar($actor, $activity->feed);
 | |
| 
 | |
|         if (!$homeuri) {
 | |
|             common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
 | |
|             throw new ServerException("No profile URI");
 | |
|         }
 | |
| 
 | |
|         if (!$feeduri || !$salmonuri) {
 | |
|             // Get the canonical feed URI and check it
 | |
|             $discover = new FeedDiscovery();
 | |
|             $feeduri = $discover->discoverFromURL($homeuri);
 | |
| 
 | |
|             $huburi = $discover->getAtomLink('hub');
 | |
|             $salmonuri = $discover->getAtomLink('salmon');
 | |
| 
 | |
|             if (!$huburi) {
 | |
|                 // We can only deal with folks with a PuSH hub
 | |
|                 throw new FeedSubNoHubException();
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         $profile = new Profile();
 | |
|         $profile->nickname   = $nickname;
 | |
|         $profile->fullname   = $actor->displayName;
 | |
|         $profile->homepage   = $actor->link; // @fixme
 | |
|         $profile->profileurl = $homeuri;
 | |
|         // @fixme bio
 | |
|         // @fixme tags/categories
 | |
|         // @fixme location?
 | |
|         // @todo tags from categories
 | |
|         // @todo lat/lon/location?
 | |
| 
 | |
|         $ok = $profile->insert();
 | |
|         if (!$ok) {
 | |
|             throw new ServerException("Can't save local profile");
 | |
|         }
 | |
| 
 | |
|         // @fixme either need to do feed discovery here
 | |
|         // or need to split out some of the feed stuff
 | |
|         // so we can leave it empty until later.
 | |
|         $oprofile = new Ostatus_profile();
 | |
|         $oprofile->uri = $homeuri;
 | |
|         $oprofile->feeduri = $feeduri;
 | |
|         $oprofile->salmonuri = $salmonuri;
 | |
|         $oprofile->profile_id = $profile->id;
 | |
| 
 | |
|         $oprofile->created = common_sql_now();
 | |
|         $oprofile->modified = common_sql_now();
 | |
| 
 | |
|         $ok = $oprofile->insert();
 | |
|         if ($ok) {
 | |
|             $oprofile->updateAvatar($avatar);
 | |
|             return $oprofile;
 | |
|         } else {
 | |
|             throw new ServerException("Can't save OStatus profile");
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @fixme move this into Activity?
 | |
|      * @param Activity $activity
 | |
|      * @return string
 | |
|      */
 | |
|     protected static function getAuthorNick($activity)
 | |
|     {
 | |
|         // @fixme not technically part of the actor?
 | |
|         foreach (array($activity->entry, $activity->feed) as $source) {
 | |
|             $author = ActivityUtils::child($source, 'author', Activity::ATOM);
 | |
|             if ($author) {
 | |
|                 $name = ActivityUtils::child($author, 'name', Activity::ATOM);
 | |
|                 if ($name) {
 | |
|                     return trim($name->textContent);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|         return false;
 | |
|     }
 | |
| 
 | |
| }
 |