forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			2147 lines
		
	
	
		
			75 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			2147 lines
		
	
	
		
			75 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/>.
 | |
|  */
 | |
| 
 | |
| if (!defined('STATUSNET')) {
 | |
|     exit(1);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @package OStatusPlugin
 | |
|  * @maintainer Brion Vibber <brion@status.net>
 | |
|  */
 | |
| class Ostatus_profile extends Managed_DataObject
 | |
| {
 | |
|     public $__table = 'ostatus_profile';
 | |
| 
 | |
|     public $uri;
 | |
| 
 | |
|     public $profile_id;
 | |
|     public $group_id;
 | |
|     public $peopletag_id;
 | |
| 
 | |
|     public $feeduri;
 | |
|     public $salmonuri;
 | |
|     public $avatar; // remote URL of the last avatar we saved
 | |
| 
 | |
|     public $created;
 | |
|     public $modified;
 | |
| 
 | |
|     public /*static*/ function staticGet($k, $v=null)
 | |
|     {
 | |
|         return parent::staticGet(__CLASS__, $k, $v);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Return table definition for Schema setup and DB_DataObject usage.
 | |
|      *
 | |
|      * @return array array of column definitions
 | |
|      */
 | |
|     static function schemaDef()
 | |
|     {
 | |
|         return array(
 | |
|             'fields' => array(
 | |
|                 'uri' => array('type' => 'varchar', 'length' => 255, 'not null' => true),
 | |
|                 'profile_id' => array('type' => 'integer'),
 | |
|                 'group_id' => array('type' => 'integer'),
 | |
|                 'peopletag_id' => array('type' => 'integer'),
 | |
|                 'feeduri' => array('type' => 'varchar', 'length' => 255),
 | |
|                 'salmonuri' => array('type' => 'varchar', 'length' => 255),
 | |
|                 'avatar' => array('type' => 'text'),
 | |
|                 'created' => array('type' => 'datetime', 'not null' => true),
 | |
|                 'modified' => array('type' => 'datetime', 'not null' => true),
 | |
|             ),
 | |
|             'primary key' => array('uri'),
 | |
|             'unique keys' => array(
 | |
|                 'ostatus_profile_profile_id_idx' => array('profile_id'),
 | |
|                 'ostatus_profile_group_id_idx' => array('group_id'),
 | |
|                 'ostatus_profile_peopletag_id_idx' => array('peopletag_id'),
 | |
|                 'ostatus_profile_feeduri_idx' => array('feeduri'),
 | |
|             ),
 | |
|             'foreign keys' => array(
 | |
|                 'ostatus_profile_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
 | |
|                 'ostatus_profile_group_id_fkey' => array('user_group', array('group_id' => 'id')),
 | |
|                 'ostatus_profile_peopletag_id_fkey' => array('profile_list', array('peopletag_id' => 'id')),
 | |
|             ),
 | |
|         );
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * 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', $this->group_id);
 | |
|         }
 | |
|         return null;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Fetch the StatusNet-side peopletag for this feed
 | |
|      * @return Profile
 | |
|      */
 | |
|     public function localPeopletag()
 | |
|     {
 | |
|         if ($this->peopletag_id) {
 | |
|             return Profile_list::staticGet('id', $this->peopletag_id);
 | |
|         }
 | |
|         return null;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Returns an ActivityObject describing this remote user or group profile.
 | |
|      * Can then be used to generate Atom chunks.
 | |
|      *
 | |
|      * @return ActivityObject
 | |
|      */
 | |
|     function asActivityObject()
 | |
|     {
 | |
|         if ($this->isGroup()) {
 | |
|             return ActivityObject::fromGroup($this->localGroup());
 | |
|         } else if ($this->isPeopletag()) {
 | |
|             return ActivityObject::fromPeopletag($this->localPeopletag());
 | |
|         } else {
 | |
|             return ActivityObject::fromProfile($this->localProfile());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * 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.
 | |
|      *
 | |
|      * @todo FIXME: Replace with wrappers on asActivityObject when it's got everything.
 | |
|      *
 | |
|      * @param string $element one of 'actor', 'subject', 'object', 'target'
 | |
|      * @return string
 | |
|      */
 | |
|     function asActivityNoun($element)
 | |
|     {
 | |
|         if ($this->isGroup()) {
 | |
|             $noun = ActivityObject::fromGroup($this->localGroup());
 | |
|             return $noun->asString('activity:' . $element);
 | |
|         } else if ($this->isPeopletag()) {
 | |
|             $noun = ActivityObject::fromPeopletag($this->localPeopletag());
 | |
|             return $noun->asString('activity:' . $element);
 | |
|         } else {
 | |
|             $noun = ActivityObject::fromProfile($this->localProfile());
 | |
|             return $noun->asString('activity:' . $element);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @return boolean true if this is a remote group
 | |
|      */
 | |
|     function isGroup()
 | |
|     {
 | |
|         if ($this->profile_id || $this->peopletag_id && !$this->group_id) {
 | |
|             return false;
 | |
|         } else if ($this->group_id && !$this->profile_id && !$this->peopletag_id) {
 | |
|             return true;
 | |
|         } else if ($this->group_id && ($this->profile_id || $this->peopletag_id)) {
 | |
|             // TRANS: Server exception. %s is a URI
 | |
|             throw new ServerException(sprintf(_m('Invalid ostatus_profile state: Two or more IDs set for %s.'), $this->uri));
 | |
|         } else {
 | |
|             // TRANS: Server exception. %s is a URI
 | |
|             throw new ServerException(sprintf(_m('Invalid ostatus_profile state: All IDs empty for %s.'), $this->uri));
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @return boolean true if this is a remote peopletag
 | |
|      */
 | |
|     function isPeopletag()
 | |
|     {
 | |
|         if ($this->profile_id || $this->group_id && !$this->peopletag_id) {
 | |
|             return false;
 | |
|         } else if ($this->peopletag_id && !$this->profile_id && !$this->group_id) {
 | |
|             return true;
 | |
|         } else if ($this->peopletag_id && ($this->profile_id || $this->group_id)) {
 | |
|             // TRANS: Server exception. %s is a URI
 | |
|             throw new ServerException(sprintf(_m('Invalid ostatus_profile state: Two or more IDs set for %s.'), $this->uri));
 | |
|         } else {
 | |
|             // TRANS: Server exception. %s is a URI
 | |
|             throw new ServerException(sprintf(_m('Invalid ostatus_profile state: All IDs empty for %s.'), $this->uri));
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * 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') {
 | |
|             // Active subscription, we don't need to do anything.
 | |
|             return true;
 | |
|         } else {
 | |
|             // Inactive or we got left in an inconsistent state.
 | |
|             // Run a subscription request to make sure we're current!
 | |
|             return $feedsub->subscribe();
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Check if this remote profile has any active local subscriptions, and
 | |
|      * if not drop the PuSH subscription feed.
 | |
|      *
 | |
|      * @return bool true on success, false on failure
 | |
|      */
 | |
|     public function unsubscribe() {
 | |
|         $this->garbageCollect();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Check if this remote profile has any active local subscriptions, and
 | |
|      * if not drop the PuSH subscription feed.
 | |
|      *
 | |
|      * @return boolean
 | |
|      */
 | |
|     public function garbageCollect()
 | |
|     {
 | |
|         $feedsub = FeedSub::staticGet('uri', $this->feeduri);
 | |
|         return $feedsub->garbageCollect();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Check if this remote profile has any active local subscriptions, so the
 | |
|      * PuSH subscription layer can decide if it can drop the feed.
 | |
|      *
 | |
|      * This gets called via the FeedSubSubscriberCount event when running
 | |
|      * FeedSub::garbageCollect().
 | |
|      *
 | |
|      * @return int
 | |
|      */
 | |
|     public function subscriberCount()
 | |
|     {
 | |
|         if ($this->isGroup()) {
 | |
|             $members = $this->localGroup()->getMembers(0, 1);
 | |
|             $count = $members->N;
 | |
|         } else if ($this->isPeopletag()) {
 | |
|             $subscribers = $this->localPeopletag()->getSubscribers(0, 1);
 | |
|             $count = $subscribers->N;
 | |
|         } else {
 | |
|             $profile = $this->localProfile();
 | |
|             $count = $profile->subscriberCount();
 | |
|             if ($profile->hasLocalTags()) {
 | |
|                 $count = 1;
 | |
|             }
 | |
|         }
 | |
|         common_log(LOG_INFO, __METHOD__ . " SUB COUNT BEFORE: $count");
 | |
| 
 | |
|         // Other plugins may be piggybacking on OStatus without having
 | |
|         // an active group or user-to-user subscription we know about.
 | |
|         Event::handle('Ostatus_profileSubscriberCount', array($this, &$count));
 | |
|         common_log(LOG_INFO, __METHOD__ . " SUB COUNT AFTER: $count");
 | |
| 
 | |
|         return $count;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Send an Activity Streams notification to the remote Salmon endpoint,
 | |
|      * if so configured.
 | |
|      *
 | |
|      * @param Profile $actor  Actor who did the activity
 | |
|      * @param string  $verb   Activity::SUBSCRIBE or Activity::JOIN
 | |
|      * @param Object  $object object of the action; must define asActivityNoun($tag)
 | |
|      */
 | |
|     public function notify($actor, $verb, $object=null, $target=null)
 | |
|     {
 | |
|         if (!($actor instanceof Profile)) {
 | |
|             $type = gettype($actor);
 | |
|             if ($type == 'object') {
 | |
|                 $type = get_class($actor);
 | |
|             }
 | |
|             // TRANS: Server exception.
 | |
|             // TRANS: %1$s is the method name the exception occured in, %2$s is the actor type.
 | |
|             throw new ServerException(sprintf(_m('Invalid actor passed to %1$s: %2$s.'),__METHOD__,$type));
 | |
|         }
 | |
|         if ($object == null) {
 | |
|             $object = $this;
 | |
|         }
 | |
|         if ($this->salmonuri) {
 | |
|             $text = 'update';
 | |
|             $id = TagURI::mint('%s:%s:%s',
 | |
|                                $verb,
 | |
|                                $actor->getURI(),
 | |
|                                common_date_iso8601(time()));
 | |
| 
 | |
|             // @todo 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',
 | |
|                                 'xmlns:poco' => 'http://portablecontacts.net/spec/1.0',
 | |
|                                 'xmlns:media' => 'http://purl.org/syndication/atommedia');
 | |
| 
 | |
|             $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'));
 | |
|             if ($target != null) {
 | |
|                 $entry->raw($target->asActivityNoun('target'));
 | |
|             }
 | |
|             $entry->elementEnd('entry');
 | |
| 
 | |
|             $xml = $entry->getString();
 | |
|             common_log(LOG_INFO, "Posting to Salmon endpoint $this->salmonuri: $xml");
 | |
| 
 | |
|             $salmon = new Salmon(); // ?
 | |
|             return $salmon->post($this->salmonuri, $xml, $actor);
 | |
|         }
 | |
|         return false;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Send a Salmon notification ping immediately, and confirm that we got
 | |
|      * an acceptable response from the remote site.
 | |
|      *
 | |
|      * @param mixed $entry XML string, Notice, or Activity
 | |
|      * @param Profile $actor
 | |
|      * @return boolean success
 | |
|      */
 | |
|     public function notifyActivity($entry, $actor)
 | |
|     {
 | |
|         if ($this->salmonuri) {
 | |
|             $salmon = new Salmon();
 | |
|             return $salmon->post($this->salmonuri, $this->notifyPrepXml($entry), $actor);
 | |
|         }
 | |
| 
 | |
|         return false;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Queue a Salmon notification for later. If queues are disabled we'll
 | |
|      * send immediately but won't get the return value.
 | |
|      *
 | |
|      * @param mixed $entry XML string, Notice, or Activity
 | |
|      * @return boolean success
 | |
|      */
 | |
|     public function notifyDeferred($entry, $actor)
 | |
|     {
 | |
|         if ($this->salmonuri) {
 | |
|             $data = array('salmonuri' => $this->salmonuri,
 | |
|                           'entry' => $this->notifyPrepXml($entry),
 | |
|                           'actor' => $actor->id);
 | |
| 
 | |
|             $qm = QueueManager::get();
 | |
|             return $qm->enqueue($data, 'salmon');
 | |
|         }
 | |
| 
 | |
|         return false;
 | |
|     }
 | |
| 
 | |
|     protected function notifyPrepXml($entry)
 | |
|     {
 | |
|         $preamble = '<?xml version="1.0" encoding="UTF-8" ?' . '>';
 | |
|         if (is_string($entry)) {
 | |
|             return $entry;
 | |
|         } else if ($entry instanceof Activity) {
 | |
|             return $preamble . $entry->asString(true);
 | |
|         } else if ($entry instanceof Notice) {
 | |
|             return $preamble . $entry->asAtomEntry(true, true);
 | |
|         } else {
 | |
|             // TRANS: Server exception.
 | |
|             throw new ServerException(_m('Invalid type passed to Ostatus_profile::notify. It must be XML string or Activity entry.'));
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     function getBestName()
 | |
|     {
 | |
|         if ($this->isGroup()) {
 | |
|             return $this->localGroup()->getBestName();
 | |
|         } else if ($this->isPeopletag()) {
 | |
|             return $this->localPeopletag()->getBestName();
 | |
|         } else {
 | |
|             return $this->localProfile()->getBestName();
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * 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 $doc
 | |
|      * @param string $source identifier ("push")
 | |
|      */
 | |
|     public function processFeed(DOMDocument $doc, $source)
 | |
|     {
 | |
|         $feed = $doc->documentElement;
 | |
| 
 | |
|         if ($feed->localName == 'feed' && $feed->namespaceURI == Activity::ATOM) {
 | |
|             $this->processAtomFeed($feed, $source);
 | |
|         } else if ($feed->localName == 'rss') { // @todo FIXME: Check namespace.
 | |
|             $this->processRssFeed($feed, $source);
 | |
|         } else {
 | |
|             // TRANS: Exception.
 | |
|             throw new Exception(_m('Unknown feed format.'));
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     public function processAtomFeed(DOMElement $feed, $source)
 | |
|     {
 | |
|         $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, $source);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     public function processRssFeed(DOMElement $rss, $source)
 | |
|     {
 | |
|         $channels = $rss->getElementsByTagName('channel');
 | |
| 
 | |
|         if ($channels->length == 0) {
 | |
|             // TRANS: Exception.
 | |
|             throw new Exception(_m('RSS feed without a channel.'));
 | |
|         } else if ($channels->length > 1) {
 | |
|             common_log(LOG_WARNING, __METHOD__ . ": more than one channel in an RSS feed");
 | |
|         }
 | |
| 
 | |
|         $channel = $channels->item(0);
 | |
| 
 | |
|         $items = $channel->getElementsByTagName('item');
 | |
| 
 | |
|         for ($i = 0; $i < $items->length; $i++) {
 | |
|             $item = $items->item($i);
 | |
|             $this->processEntry($item, $channel, $source);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Process a posted entry from this feed source.
 | |
|      *
 | |
|      * @param DOMElement $entry
 | |
|      * @param DOMElement $feed for context
 | |
|      * @param string $source identifier ("push" or "salmon")
 | |
|      *
 | |
|      * @return Notice Notice representing the new (or existing) activity
 | |
|      */
 | |
|     public function processEntry($entry, $feed, $source)
 | |
|     {
 | |
|         $activity = new Activity($entry, $feed);
 | |
|         return $this->processActivity($activity, $source);
 | |
|     }
 | |
| 
 | |
|     public function processActivity($activity, $source)
 | |
|     {
 | |
|         $notice = null;
 | |
| 
 | |
|         // The "WithProfile" events were added later.
 | |
| 
 | |
|         if (Event::handle('StartHandleFeedEntryWithProfile', array($activity, $this, &$notice)) &&
 | |
|             Event::handle('StartHandleFeedEntry', array($activity))) {
 | |
| 
 | |
|             switch ($activity->verb) {
 | |
|             case ActivityVerb::POST:
 | |
|                 // @todo process all activity objects
 | |
|                 switch ($activity->objects[0]->type) {
 | |
|                 case ActivityObject::ARTICLE:
 | |
|                 case ActivityObject::BLOGENTRY:
 | |
|                 case ActivityObject::NOTE:
 | |
|                 case ActivityObject::STATUS:
 | |
|                 case ActivityObject::COMMENT:
 | |
|                 case null:
 | |
|                     $notice = $this->processPost($activity, $source);
 | |
|                     break;
 | |
|                 default:
 | |
|                     // TRANS: Client exception.
 | |
|                     throw new ClientException(_m('Cannot handle that kind of post.'));
 | |
|                 }
 | |
|                 break;
 | |
|             case ActivityVerb::SHARE:
 | |
|                 $notice = $this->processShare($activity, $source);
 | |
|                 break;
 | |
|             default:
 | |
|                 common_log(LOG_INFO, "Ignoring activity with unrecognized verb $activity->verb");
 | |
|             }
 | |
| 
 | |
|             Event::handle('EndHandleFeedEntry', array($activity));
 | |
|             Event::handle('EndHandleFeedEntryWithProfile', array($activity, $this, $notice));
 | |
|         }
 | |
| 
 | |
|         return $notice;
 | |
|     }
 | |
| 
 | |
|     public function processShare($activity, $method)
 | |
|     {
 | |
|         $notice = null;
 | |
| 
 | |
|         $oprofile = $this->checkAuthorship($activity);
 | |
| 
 | |
|         if (empty($oprofile)) {
 | |
|             common_log(LOG_INFO, "No author matched share activity");
 | |
|             return null;
 | |
|         }
 | |
| 
 | |
|         if (count($activity->objects) != 1) {
 | |
|             // TRANS: Client exception thrown when trying to share multiple activities at once.
 | |
|             throw new ClientException(_m('Can only handle share activities with exactly one object.'));
 | |
|         }
 | |
| 
 | |
|         $shared = $activity->objects[0];
 | |
| 
 | |
|         if (!($shared instanceof Activity)) {
 | |
|             // TRANS: Client exception thrown when trying to share a non-activity object.
 | |
|             throw new ClientException(_m('Can only handle shared activities.'));
 | |
|         }
 | |
| 
 | |
|         $other = Ostatus_profile::ensureActivityObjectProfile($shared->actor);
 | |
| 
 | |
|         // Save the item (or check for a dupe)
 | |
| 
 | |
|         $sharedNotice = $other->processActivity($shared, $method);
 | |
| 
 | |
|         if (empty($sharedNotice)) {
 | |
|             $sharedId = ($shared->id) ? $shared->id : $shared->objects[0]->id;
 | |
|             // TRANS: Client exception thrown when saving an activity share fails.
 | |
|             // TRANS: %s is a share ID.
 | |
|             throw new ClientException(sprintf(_m('Failed to save activity %s.'),
 | |
|                                               $sharedId));
 | |
|         }
 | |
| 
 | |
|         // The id URI will be used as a unique identifier for for the notice,
 | |
|         // protecting against duplicate saves. It isn't required to be a URL;
 | |
|         // tag: URIs for instance are found in Google Buzz feeds.
 | |
| 
 | |
|         $sourceUri = $activity->id;
 | |
| 
 | |
|         $dupe = Notice::staticGet('uri', $sourceUri);
 | |
|         if ($dupe) {
 | |
|             common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
 | |
|             return $dupe;
 | |
|         }
 | |
| 
 | |
|         // We'll also want to save a web link to the original notice, if provided.
 | |
| 
 | |
|         $sourceUrl = null;
 | |
|         if ($activity->link) {
 | |
|             $sourceUrl = $activity->link;
 | |
|         } else if ($activity->link) {
 | |
|             $sourceUrl = $activity->link;
 | |
|         } else if (preg_match('!^https?://!', $activity->id)) {
 | |
|             $sourceUrl = $activity->id;
 | |
|         }
 | |
| 
 | |
|         // Use summary as fallback for content
 | |
| 
 | |
|         if (!empty($activity->content)) {
 | |
|             $sourceContent = $activity->content;
 | |
|         } else if (!empty($activity->summary)) {
 | |
|             $sourceContent = $activity->summary;
 | |
|         } else if (!empty($activity->title)) {
 | |
|             $sourceContent = $activity->title;
 | |
|         } else {
 | |
|             // @todo FIXME: Fetch from $sourceUrl?
 | |
|             // TRANS: Client exception. %s is a source URI.
 | |
|             throw new ClientException(sprintf(_m('No content for notice %s.'),$sourceUri));
 | |
|         }
 | |
| 
 | |
|         // Get (safe!) HTML and text versions of the content
 | |
| 
 | |
|         $rendered = $this->purify($sourceContent);
 | |
|         $content = html_entity_decode(strip_tags($rendered), ENT_QUOTES, 'UTF-8');
 | |
| 
 | |
|         $shortened = common_shorten_links($content);
 | |
| 
 | |
|         // If it's too long, try using the summary, and make the
 | |
|         // HTML an attachment.
 | |
| 
 | |
|         $attachment = null;
 | |
| 
 | |
|         if (Notice::contentTooLong($shortened)) {
 | |
|             $attachment = $this->saveHTMLFile($activity->title, $rendered);
 | |
|             $summary = html_entity_decode(strip_tags($activity->summary), ENT_QUOTES, 'UTF-8');
 | |
|             if (empty($summary)) {
 | |
|                 $summary = $content;
 | |
|             }
 | |
|             $shortSummary = common_shorten_links($summary);
 | |
|             if (Notice::contentTooLong($shortSummary)) {
 | |
|                 $url = common_shorten_url($sourceUrl);
 | |
|                 $shortSummary = substr($shortSummary,
 | |
|                                        0,
 | |
|                                        Notice::maxContent() - (mb_strlen($url) + 2));
 | |
|                 $content = $shortSummary . ' ' . $url;
 | |
| 
 | |
|                 // We mark up the attachment link specially for the HTML output
 | |
|                 // so we can fold-out the full version inline.
 | |
| 
 | |
|                 // @todo FIXME i18n: This tooltip will be saved with the site's default language
 | |
|                 // TRANS: Shown when a notice is longer than supported and/or when attachments are present. At runtime
 | |
|                 // TRANS: this will usually be replaced with localised text from StatusNet core messages.
 | |
|                 $showMoreText = _m('Show more');
 | |
|                 $attachUrl = common_local_url('attachment',
 | |
|                                               array('attachment' => $attachment->id));
 | |
|                 $rendered = common_render_text($shortSummary) .
 | |
|                             '<a href="' . htmlspecialchars($attachUrl) .'"'.
 | |
|                             ' class="attachment more"' .
 | |
|                             ' title="'. htmlspecialchars($showMoreText) . '">' .
 | |
|                             '…' .
 | |
|                             '</a>';
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         $options = array('is_local' => Notice::REMOTE,
 | |
|                          'url' => $sourceUrl,
 | |
|                          'uri' => $sourceUri,
 | |
|                          'rendered' => $rendered,
 | |
|                          'replies' => array(),
 | |
|                          'groups' => array(),
 | |
|                          'peopletags' => array(),
 | |
|                          'tags' => array(),
 | |
|                          'urls' => array(),
 | |
|                          'repeat_of' => $sharedNotice->id,
 | |
|                          'scope' => $sharedNotice->scope);
 | |
| 
 | |
|         // Check for optional attributes...
 | |
| 
 | |
|         if (!empty($activity->time)) {
 | |
|             $options['created'] = common_sql_date($activity->time);
 | |
|         }
 | |
| 
 | |
|         if ($activity->context) {
 | |
|             // Any individual or group attn: targets?
 | |
|             $replies = $activity->context->attention;
 | |
|             $options['groups'] = $this->filterReplies($oprofile, $replies);
 | |
|             $options['replies'] = $replies;
 | |
| 
 | |
|             // Maintain direct reply associations
 | |
|             // @todo FIXME: What about conversation ID?
 | |
|             if (!empty($activity->context->replyToID)) {
 | |
|                 $orig = Notice::staticGet('uri',
 | |
|                                           $activity->context->replyToID);
 | |
|                 if (!empty($orig)) {
 | |
|                     $options['reply_to'] = $orig->id;
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             $location = $activity->context->location;
 | |
|             if ($location) {
 | |
|                 $options['lat'] = $location->lat;
 | |
|                 $options['lon'] = $location->lon;
 | |
|                 if ($location->location_id) {
 | |
|                     $options['location_ns'] = $location->location_ns;
 | |
|                     $options['location_id'] = $location->location_id;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         if ($this->isPeopletag()) {
 | |
|             $options['peopletags'][] = $this->localPeopletag();
 | |
|         }
 | |
| 
 | |
|         // Atom categories <-> hashtags
 | |
|         foreach ($activity->categories as $cat) {
 | |
|             if ($cat->term) {
 | |
|                 $term = common_canonical_tag($cat->term);
 | |
|                 if ($term) {
 | |
|                     $options['tags'][] = $term;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // Atom enclosures -> attachment URLs
 | |
|         foreach ($activity->enclosures as $href) {
 | |
|             // @todo FIXME: Save these locally or....?
 | |
|             $options['urls'][] = $href;
 | |
|         }
 | |
| 
 | |
|         $notice = Notice::saveNew($oprofile->profile_id,
 | |
|                                   $content,
 | |
|                                   'ostatus',
 | |
|                                   $options);
 | |
| 
 | |
|         return $notice;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Process an incoming post activity from this remote feed.
 | |
|      * @param Activity $activity
 | |
|      * @param string $method 'push' or 'salmon'
 | |
|      * @return mixed saved Notice or false
 | |
|      * @todo FIXME: Break up this function, it's getting nasty long
 | |
|      */
 | |
|     public function processPost($activity, $method)
 | |
|     {
 | |
|         $notice = null;
 | |
| 
 | |
|         $oprofile = $this->checkAuthorship($activity);
 | |
| 
 | |
|         if (empty($oprofile)) {
 | |
|             return null;
 | |
|         }
 | |
| 
 | |
|         // It's not always an ActivityObject::NOTE, but... let's just say it is.
 | |
| 
 | |
|         $note = $activity->objects[0];
 | |
| 
 | |
|         // The id URI will be used as a unique identifier for for the notice,
 | |
|         // protecting against duplicate saves. It isn't required to be a URL;
 | |
|         // tag: URIs for instance are found in Google Buzz feeds.
 | |
|         $sourceUri = $note->id;
 | |
|         $dupe = Notice::staticGet('uri', $sourceUri);
 | |
|         if ($dupe) {
 | |
|             common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
 | |
|             return $dupe;
 | |
|         }
 | |
| 
 | |
|         // We'll also want to save a web link to the original notice, if provided.
 | |
|         $sourceUrl = null;
 | |
|         if ($note->link) {
 | |
|             $sourceUrl = $note->link;
 | |
|         } else if ($activity->link) {
 | |
|             $sourceUrl = $activity->link;
 | |
|         } else if (preg_match('!^https?://!', $note->id)) {
 | |
|             $sourceUrl = $note->id;
 | |
|         }
 | |
| 
 | |
|         // Use summary as fallback for content
 | |
| 
 | |
|         if (!empty($note->content)) {
 | |
|             $sourceContent = $note->content;
 | |
|         } else if (!empty($note->summary)) {
 | |
|             $sourceContent = $note->summary;
 | |
|         } else if (!empty($note->title)) {
 | |
|             $sourceContent = $note->title;
 | |
|         } else {
 | |
|             // @todo FIXME: Fetch from $sourceUrl?
 | |
|             // TRANS: Client exception. %s is a source URI.
 | |
|             throw new ClientException(sprintf(_m('No content for notice %s.'),$sourceUri));
 | |
|         }
 | |
| 
 | |
|         // Get (safe!) HTML and text versions of the content
 | |
| 
 | |
|         $rendered = $this->purify($sourceContent);
 | |
|         $content = html_entity_decode(strip_tags($rendered), ENT_QUOTES, 'UTF-8');
 | |
| 
 | |
|         $shortened = common_shorten_links($content);
 | |
| 
 | |
|         // If it's too long, try using the summary, and make the
 | |
|         // HTML an attachment.
 | |
| 
 | |
|         $attachment = null;
 | |
| 
 | |
|         if (Notice::contentTooLong($shortened)) {
 | |
|             $attachment = $this->saveHTMLFile($note->title, $rendered);
 | |
|             $summary = html_entity_decode(strip_tags($note->summary), ENT_QUOTES, 'UTF-8');
 | |
|             if (empty($summary)) {
 | |
|                 $summary = $content;
 | |
|             }
 | |
|             $shortSummary = common_shorten_links($summary);
 | |
|             if (Notice::contentTooLong($shortSummary)) {
 | |
|                 $url = common_shorten_url($sourceUrl);
 | |
|                 $shortSummary = substr($shortSummary,
 | |
|                                        0,
 | |
|                                        Notice::maxContent() - (mb_strlen($url) + 2));
 | |
|                 $content = $shortSummary . ' ' . $url;
 | |
| 
 | |
|                 // We mark up the attachment link specially for the HTML output
 | |
|                 // so we can fold-out the full version inline.
 | |
| 
 | |
|                 // @todo FIXME i18n: This tooltip will be saved with the site's default language
 | |
|                 // TRANS: Shown when a notice is longer than supported and/or when attachments are present. At runtime
 | |
|                 // TRANS: this will usually be replaced with localised text from StatusNet core messages.
 | |
|                 $showMoreText = _m('Show more');
 | |
|                 $attachUrl = common_local_url('attachment',
 | |
|                                               array('attachment' => $attachment->id));
 | |
|                 $rendered = common_render_text($shortSummary) .
 | |
|                             '<a href="' . htmlspecialchars($attachUrl) .'"'.
 | |
|                             ' class="attachment more"' .
 | |
|                             ' title="'. htmlspecialchars($showMoreText) . '">' .
 | |
|                             '…' .
 | |
|                             '</a>';
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         $options = array('is_local' => Notice::REMOTE,
 | |
|                         'url' => $sourceUrl,
 | |
|                         'uri' => $sourceUri,
 | |
|                         'rendered' => $rendered,
 | |
|                         'replies' => array(),
 | |
|                         'groups' => array(),
 | |
|                         'peopletags' => array(),
 | |
|                         'tags' => array(),
 | |
|                         'urls' => array());
 | |
| 
 | |
|         // Check for optional attributes...
 | |
| 
 | |
|         if (!empty($activity->time)) {
 | |
|             $options['created'] = common_sql_date($activity->time);
 | |
|         }
 | |
| 
 | |
|         if ($activity->context) {
 | |
|             // Any individual or group attn: targets?
 | |
|             $replies = $activity->context->attention;
 | |
|             $options['groups'] = $this->filterReplies($oprofile, $replies);
 | |
|             $options['replies'] = $replies;
 | |
| 
 | |
|             // Maintain direct reply associations
 | |
|             // @todo FIXME: What about conversation ID?
 | |
|             if (!empty($activity->context->replyToID)) {
 | |
|                 $orig = Notice::staticGet('uri',
 | |
|                                           $activity->context->replyToID);
 | |
|                 if (!empty($orig)) {
 | |
|                     $options['reply_to'] = $orig->id;
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             $location = $activity->context->location;
 | |
|             if ($location) {
 | |
|                 $options['lat'] = $location->lat;
 | |
|                 $options['lon'] = $location->lon;
 | |
|                 if ($location->location_id) {
 | |
|                     $options['location_ns'] = $location->location_ns;
 | |
|                     $options['location_id'] = $location->location_id;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         if ($this->isPeopletag()) {
 | |
|             $options['peopletags'][] = $this->localPeopletag();
 | |
|         }
 | |
| 
 | |
|         // Atom categories <-> hashtags
 | |
|         foreach ($activity->categories as $cat) {
 | |
|             if ($cat->term) {
 | |
|                 $term = common_canonical_tag($cat->term);
 | |
|                 if ($term) {
 | |
|                     $options['tags'][] = $term;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // Atom enclosures -> attachment URLs
 | |
|         foreach ($activity->enclosures as $href) {
 | |
|             // @todo FIXME: Save these locally or....?
 | |
|             $options['urls'][] = $href;
 | |
|         }
 | |
| 
 | |
|         try {
 | |
|             $saved = Notice::saveNew($oprofile->profile_id,
 | |
|                                      $content,
 | |
|                                      'ostatus',
 | |
|                                      $options);
 | |
|             if ($saved) {
 | |
|                 Ostatus_source::saveNew($saved, $this, $method);
 | |
|                 if (!empty($attachment)) {
 | |
|                     File_to_post::processNew($attachment->id, $saved->id);
 | |
|                 }
 | |
|             }
 | |
|         } catch (Exception $e) {
 | |
|             common_log(LOG_ERR, "OStatus save of remote message $sourceUri failed: " . $e->getMessage());
 | |
|             throw $e;
 | |
|         }
 | |
|         common_log(LOG_INFO, "OStatus saved remote message $sourceUri as notice id $saved->id");
 | |
|         return $saved;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Clean up HTML
 | |
|      */
 | |
|     protected function purify($html)
 | |
|     {
 | |
|         require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
 | |
|         $config = array('safe' => 1,
 | |
|                         'deny_attribute' => 'id,style,on*');
 | |
|         return htmLawed($html, $config);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Filters a list of recipient ID URIs to just those for local delivery.
 | |
|      * @param Ostatus_profile local profile of sender
 | |
|      * @param array in/out &$attention_uris set of URIs, will be pruned on output
 | |
|      * @return array of group IDs
 | |
|      */
 | |
|     protected function filterReplies($sender, &$attention_uris)
 | |
|     {
 | |
|         common_log(LOG_DEBUG, "Original reply recipients: " . implode(', ', $attention_uris));
 | |
|         $groups = array();
 | |
|         $replies = array();
 | |
|         foreach (array_unique($attention_uris) as $recipient) {
 | |
|             // Is the recipient a local user?
 | |
|             $user = User::staticGet('uri', $recipient);
 | |
|             if ($user) {
 | |
|                 // @todo FIXME: Sender verification, spam etc?
 | |
|                 $replies[] = $recipient;
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             // Is the recipient a local group?
 | |
|             // $group = User_group::staticGet('uri', $recipient);
 | |
|             $id = OStatusPlugin::localGroupFromUrl($recipient);
 | |
|             if ($id) {
 | |
|                 $group = User_group::staticGet('id', $id);
 | |
|                 if ($group) {
 | |
|                     // Deliver to all members of this local group if allowed.
 | |
|                     $profile = $sender->localProfile();
 | |
|                     if ($profile->isMember($group)) {
 | |
|                         $groups[] = $group->id;
 | |
|                     } else {
 | |
|                         common_log(LOG_DEBUG, "Skipping reply to local group $group->nickname as sender $profile->id is not a member");
 | |
|                     }
 | |
|                     continue;
 | |
|                 } else {
 | |
|                     common_log(LOG_DEBUG, "Skipping reply to bogus group $recipient");
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             // Is the recipient a remote user or group?
 | |
|             try {
 | |
|                 $oprofile = Ostatus_profile::ensureProfileURI($recipient);
 | |
|                 if ($oprofile->isGroup()) {
 | |
|                     // Deliver to local members of this remote group.
 | |
|                     // @todo FIXME: Sender verification?
 | |
|                     $groups[] = $oprofile->group_id;
 | |
|                 } else {
 | |
|                     // may be canonicalized or something
 | |
|                     $replies[] = $oprofile->uri;
 | |
|                 }
 | |
|                 continue;
 | |
|             } catch (Exception $e) {
 | |
|                 // Neither a recognizable local nor remote user!
 | |
|                 common_log(LOG_DEBUG, "Skipping reply to unrecognized profile $recipient: " . $e->getMessage());
 | |
|             }
 | |
| 
 | |
|         }
 | |
|         $attention_uris = $replies;
 | |
|         common_log(LOG_DEBUG, "Local reply recipients: " . implode(', ', $replies));
 | |
|         common_log(LOG_DEBUG, "Local group recipients: " . implode(', ', $groups));
 | |
|         return $groups;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Look up and if necessary create an Ostatus_profile for the remote entity
 | |
|      * with the given profile page URL. This should never return null -- you
 | |
|      * will either get an object or an exception will be thrown.
 | |
|      *
 | |
|      * @param string $profile_url
 | |
|      * @return Ostatus_profile
 | |
|      * @throws Exception on various error conditions
 | |
|      * @throws OStatusShadowException if this reference would obscure a local user/group
 | |
|      */
 | |
|     public static function ensureProfileURL($profile_url, $hints=array())
 | |
|     {
 | |
|         $oprofile = self::getFromProfileURL($profile_url);
 | |
| 
 | |
|         if (!empty($oprofile)) {
 | |
|             return $oprofile;
 | |
|         }
 | |
| 
 | |
|         $hints['profileurl'] = $profile_url;
 | |
| 
 | |
|         // Fetch the URL
 | |
|         // XXX: HTTP caching
 | |
| 
 | |
|         $client = new HTTPClient();
 | |
|         $client->setHeader('Accept', 'text/html,application/xhtml+xml');
 | |
|         $response = $client->get($profile_url);
 | |
| 
 | |
|         if (!$response->isOk()) {
 | |
|             // TRANS: Exception. %s is a profile URL.
 | |
|             throw new Exception(sprintf(_m('Could not reach profile page %s.'),$profile_url));
 | |
|         }
 | |
| 
 | |
|         // Check if we have a non-canonical URL
 | |
| 
 | |
|         $finalUrl = $response->getUrl();
 | |
| 
 | |
|         if ($finalUrl != $profile_url) {
 | |
| 
 | |
|             $hints['profileurl'] = $finalUrl;
 | |
| 
 | |
|             $oprofile = self::getFromProfileURL($finalUrl);
 | |
| 
 | |
|             if (!empty($oprofile)) {
 | |
|                 return $oprofile;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // Try to get some hCard data
 | |
| 
 | |
|         $body = $response->getBody();
 | |
| 
 | |
|         $hcardHints = DiscoveryHints::hcardHints($body, $finalUrl);
 | |
| 
 | |
|         if (!empty($hcardHints)) {
 | |
|             $hints = array_merge($hints, $hcardHints);
 | |
|         }
 | |
| 
 | |
|         // Check if they've got an LRDD header
 | |
| 
 | |
|         $lrdd = LinkHeader::getLink($response, 'lrdd', 'application/xrd+xml');
 | |
| 
 | |
|         if (!empty($lrdd)) {
 | |
| 
 | |
|             $xrd = Discovery::fetchXrd($lrdd);
 | |
|             $xrdHints = DiscoveryHints::fromXRD($xrd);
 | |
| 
 | |
|             $hints = array_merge($hints, $xrdHints);
 | |
|         }
 | |
| 
 | |
|         // If discovery found a feedurl (probably from LRDD), use it.
 | |
| 
 | |
|         if (array_key_exists('feedurl', $hints)) {
 | |
|             return self::ensureFeedURL($hints['feedurl'], $hints);
 | |
|         }
 | |
| 
 | |
|         // Get the feed URL from HTML
 | |
| 
 | |
|         $discover = new FeedDiscovery();
 | |
| 
 | |
|         $feedurl = $discover->discoverFromHTML($finalUrl, $body);
 | |
| 
 | |
|         if (!empty($feedurl)) {
 | |
|             $hints['feedurl'] = $feedurl;
 | |
|             return self::ensureFeedURL($feedurl, $hints);
 | |
|         }
 | |
| 
 | |
|         // TRANS: Exception. %s is a URL.
 | |
|         throw new Exception(sprintf(_m('Could not find a feed URL for profile page %s.'),$finalUrl));
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Look up the Ostatus_profile, if present, for a remote entity with the
 | |
|      * given profile page URL. Will return null for both unknown and invalid
 | |
|      * remote profiles.
 | |
|      *
 | |
|      * @return mixed Ostatus_profile or null
 | |
|      * @throws OStatusShadowException for local profiles
 | |
|      */
 | |
|     static function getFromProfileURL($profile_url)
 | |
|     {
 | |
|         $profile = Profile::staticGet('profileurl', $profile_url);
 | |
| 
 | |
|         if (empty($profile)) {
 | |
|             return null;
 | |
|         }
 | |
| 
 | |
|         // Is it a known Ostatus profile?
 | |
| 
 | |
|         $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
 | |
| 
 | |
|         if (!empty($oprofile)) {
 | |
|             return $oprofile;
 | |
|         }
 | |
| 
 | |
|         // Is it a local user?
 | |
| 
 | |
|         $user = User::staticGet('id', $profile->id);
 | |
| 
 | |
|         if (!empty($user)) {
 | |
|             // @todo i18n FIXME: use sprintf and add i18n (?)
 | |
|             throw new OStatusShadowException($profile, "'$profile_url' is the profile for local user '{$user->nickname}'.");
 | |
|         }
 | |
| 
 | |
|         // Continue discovery; it's a remote profile
 | |
|         // for OMB or some other protocol, may also
 | |
|         // support OStatus
 | |
| 
 | |
|         return null;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Look up and if necessary create an Ostatus_profile for remote entity
 | |
|      * with the given update feed. This should never return null -- you will
 | |
|      * either get an object or an exception will be thrown.
 | |
|      *
 | |
|      * @return Ostatus_profile
 | |
|      * @throws Exception
 | |
|      */
 | |
|     public static function ensureFeedURL($feed_url, $hints=array())
 | |
|     {
 | |
|         $discover = new FeedDiscovery();
 | |
| 
 | |
|         $feeduri = $discover->discoverFromFeedURL($feed_url);
 | |
|         $hints['feedurl'] = $feeduri;
 | |
| 
 | |
|         $huburi = $discover->getHubLink();
 | |
|         $hints['hub'] = $huburi;
 | |
|         $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
 | |
|         $hints['salmon'] = $salmonuri;
 | |
| 
 | |
|         if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
 | |
|             // We can only deal with folks with a PuSH hub
 | |
|             throw new FeedSubNoHubException();
 | |
|         }
 | |
| 
 | |
|         $feedEl = $discover->root;
 | |
| 
 | |
|         if ($feedEl->tagName == 'feed') {
 | |
|             return self::ensureAtomFeed($feedEl, $hints);
 | |
|         } else if ($feedEl->tagName == 'channel') {
 | |
|             return self::ensureRssChannel($feedEl, $hints);
 | |
|         } else {
 | |
|             throw new FeedSubBadXmlException($feeduri);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Look up and, if necessary, create an Ostatus_profile for the remote
 | |
|      * profile with the given Atom feed - actually loaded from the feed.
 | |
|      * This should never return null -- you will either get an object or
 | |
|      * an exception will be thrown.
 | |
|      *
 | |
|      * @param DOMElement $feedEl root element of a loaded Atom feed
 | |
|      * @param array $hints additional discovery information passed from higher levels
 | |
|      * @todo FIXME: Should this be marked public?
 | |
|      * @return Ostatus_profile
 | |
|      * @throws Exception
 | |
|      */
 | |
|     public static function ensureAtomFeed($feedEl, $hints)
 | |
|     {
 | |
|         $author = ActivityUtils::getFeedAuthor($feedEl);
 | |
| 
 | |
|         if (empty($author)) {
 | |
|             // XXX: make some educated guesses here
 | |
|             // TRANS: Feed sub exception.
 | |
|             throw new FeedSubException(_m('Cannot find enough profile '.
 | |
|                                           'information to make a feed.'));
 | |
|         }
 | |
| 
 | |
|         return self::ensureActivityObjectProfile($author, $hints);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Look up and, if necessary, create an Ostatus_profile for the remote
 | |
|      * profile with the given RSS feed - actually loaded from the feed.
 | |
|      * This should never return null -- you will either get an object or
 | |
|      * an exception will be thrown.
 | |
|      *
 | |
|      * @param DOMElement $feedEl root element of a loaded RSS feed
 | |
|      * @param array $hints additional discovery information passed from higher levels
 | |
|      * @todo FIXME: Should this be marked public?
 | |
|      * @return Ostatus_profile
 | |
|      * @throws Exception
 | |
|      */
 | |
|     public static function ensureRssChannel($feedEl, $hints)
 | |
|     {
 | |
|         // Special-case for Posterous. They have some nice metadata in their
 | |
|         // posterous:author elements. We should use them instead of the channel.
 | |
| 
 | |
|         $items = $feedEl->getElementsByTagName('item');
 | |
| 
 | |
|         if ($items->length > 0) {
 | |
|             $item = $items->item(0);
 | |
|             $authorEl = ActivityUtils::child($item, ActivityObject::AUTHOR, ActivityObject::POSTEROUS);
 | |
|             if (!empty($authorEl)) {
 | |
|                 $obj = ActivityObject::fromPosterousAuthor($authorEl);
 | |
|                 // Posterous has multiple authors per feed, and multiple feeds
 | |
|                 // per author. We check if this is the "main" feed for this author.
 | |
|                 if (array_key_exists('profileurl', $hints) &&
 | |
|                     !empty($obj->poco) &&
 | |
|                     common_url_to_nickname($hints['profileurl']) == $obj->poco->preferredUsername) {
 | |
|                     return self::ensureActivityObjectProfile($obj, $hints);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // @todo FIXME: We should check whether this feed has elements
 | |
|         // with different <author> or <dc:creator> elements, and... I dunno.
 | |
|         // Do something about that.
 | |
| 
 | |
|         $obj = ActivityObject::fromRssChannel($feedEl);
 | |
| 
 | |
|         return self::ensureActivityObjectProfile($obj, $hints);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Download and update given avatar image
 | |
|      *
 | |
|      * @param string $url
 | |
|      * @throws Exception in various failure cases
 | |
|      */
 | |
|     protected function updateAvatar($url)
 | |
|     {
 | |
|         if ($url == $this->avatar) {
 | |
|             // We've already got this one.
 | |
|             return;
 | |
|         }
 | |
|         if (!common_valid_http_url($url)) {
 | |
|             // TRANS: Server exception. %s is a URL.
 | |
|             throw new ServerException(sprintf(_m('Invalid avatar URL %s.'), $url));
 | |
|         }
 | |
| 
 | |
|         if ($this->isGroup()) {
 | |
|             $self = $this->localGroup();
 | |
|         } else {
 | |
|             $self = $this->localProfile();
 | |
|         }
 | |
|         if (!$self) {
 | |
|             throw new ServerException(sprintf(
 | |
|                 // TRANS: Server exception. %s is a URI.
 | |
|                 _m('Tried to update avatar for unsaved remote profile %s.'),
 | |
|                 $this->uri));
 | |
|         }
 | |
| 
 | |
|         // @todo FIXME: This should be better encapsulated
 | |
|         // ripped from oauthstore.php (for old OMB client)
 | |
|         $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
 | |
|         try {
 | |
|             if (!copy($url, $temp_filename)) {
 | |
|                 // TRANS: Server exception. %s is a URL.
 | |
|                 throw new ServerException(sprintf(_m('Unable to fetch avatar from %s.'), $url));
 | |
|             }
 | |
| 
 | |
|             if ($this->isGroup()) {
 | |
|                 $id = $this->group_id;
 | |
|             } else {
 | |
|                 $id = $this->profile_id;
 | |
|             }
 | |
|             // @todo 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));
 | |
|         } catch (Exception $e) {
 | |
|             unlink($temp_filename);
 | |
|             throw $e;
 | |
|         }
 | |
|         // @todo FIXME: Hardcoded chmod is lame, but seems to be necessary to
 | |
|         // keep from accidentally saving images from command-line (queues)
 | |
|         // that can't be read from web server, which causes hard-to-notice
 | |
|         // problems later on:
 | |
|         //
 | |
|         // http://status.net/open-source/issues/2663
 | |
|         chmod(Avatar::path($filename), 0644);
 | |
| 
 | |
|         $profile = $this->localProfile();
 | |
| 
 | |
|         if (!empty($profile)) {
 | |
|             $profile->setOriginal($filename);
 | |
|         }
 | |
| 
 | |
|         $orig = clone($this);
 | |
|         $this->avatar = $url;
 | |
|         $this->update($orig);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Pull avatar URL from ActivityObject or profile hints
 | |
|      *
 | |
|      * @param ActivityObject $object
 | |
|      * @param array $hints
 | |
|      * @return mixed URL string or false
 | |
|      */
 | |
|     public static function getActivityObjectAvatar($object, $hints=array())
 | |
|     {
 | |
|         if ($object->avatarLinks) {
 | |
|             $best = false;
 | |
|             // Take the exact-size avatar, or the largest avatar, or the first avatar if all sizeless
 | |
|             foreach ($object->avatarLinks as $avatar) {
 | |
|                 if ($avatar->width == AVATAR_PROFILE_SIZE && $avatar->height = AVATAR_PROFILE_SIZE) {
 | |
|                     // Exact match!
 | |
|                     $best = $avatar;
 | |
|                     break;
 | |
|                 }
 | |
|                 if (!$best || $avatar->width > $best->width) {
 | |
|                     $best = $avatar;
 | |
|                 }
 | |
|             }
 | |
|             return $best->url;
 | |
|         } else if (array_key_exists('avatar', $hints)) {
 | |
|             return $hints['avatar'];
 | |
|         }
 | |
|         return false;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * 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 Plugin::staticPath('OStatus', 'images/96px-Feed-icon.svg.png');
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Fetch, or build if necessary, an Ostatus_profile for the actor
 | |
|      * in a given Activity Streams activity.
 | |
|      * This should never return null -- you will either get an object or
 | |
|      * an exception will be thrown.
 | |
|      *
 | |
|      * @param Activity $activity
 | |
|      * @param string $feeduri if we already know the canonical feed URI!
 | |
|      * @param string $salmonuri if we already know the salmon return channel URI
 | |
|      * @return Ostatus_profile
 | |
|      * @throws Exception
 | |
|      */
 | |
|     public static function ensureActorProfile($activity, $hints=array())
 | |
|     {
 | |
|         return self::ensureActivityObjectProfile($activity->actor, $hints);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Fetch, or build if necessary, an Ostatus_profile for the profile
 | |
|      * in a given Activity Streams object (can be subject, actor, or object).
 | |
|      * This should never return null -- you will either get an object or
 | |
|      * an exception will be thrown.
 | |
|      *
 | |
|      * @param ActivityObject $object
 | |
|      * @param array $hints additional discovery information passed from higher levels
 | |
|      * @return Ostatus_profile
 | |
|      * @throws Exception
 | |
|      */
 | |
|     public static function ensureActivityObjectProfile($object, $hints=array())
 | |
|     {
 | |
|         $profile = self::getActivityObjectProfile($object);
 | |
|         if ($profile) {
 | |
|             $profile->updateFromActivityObject($object, $hints);
 | |
|         } else {
 | |
|             $profile = self::createActivityObjectProfile($object, $hints);
 | |
|         }
 | |
|         return $profile;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @param Activity $activity
 | |
|      * @return mixed matching Ostatus_profile or false if none known
 | |
|      * @throws ServerException if feed info invalid
 | |
|      */
 | |
|     public static function getActorProfile($activity)
 | |
|     {
 | |
|         return self::getActivityObjectProfile($activity->actor);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @param ActivityObject $activity
 | |
|      * @return mixed matching Ostatus_profile or false if none known
 | |
|      * @throws ServerException if feed info invalid
 | |
|      */
 | |
|     protected static function getActivityObjectProfile($object)
 | |
|     {
 | |
|         $uri = self::getActivityObjectProfileURI($object);
 | |
|         return Ostatus_profile::staticGet('uri', $uri);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the identifier URI for the remote entity described
 | |
|      * by this ActivityObject. This URI is *not* guaranteed to be
 | |
|      * a resolvable HTTP/HTTPS URL.
 | |
|      *
 | |
|      * @param ActivityObject $object
 | |
|      * @return string
 | |
|      * @throws ServerException if feed info invalid
 | |
|      */
 | |
|     protected static function getActivityObjectProfileURI($object)
 | |
|     {
 | |
|         if ($object->id) {
 | |
|             if (ActivityUtils::validateUri($object->id)) {
 | |
|                 return $object->id;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // If the id is missing or invalid (we've seen feeds mistakenly listing
 | |
|         // things like local usernames in that field) then we'll use the profile
 | |
|         // page link, if valid.
 | |
|         if ($object->link && common_valid_http_url($object->link)) {
 | |
|             return $object->link;
 | |
|         }
 | |
|         // TRANS: Server exception.
 | |
|         throw new ServerException(_m('No author ID URI found.'));
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @todo FIXME: Validate stuff somewhere.
 | |
|      */
 | |
| 
 | |
|     /**
 | |
|      * Create local ostatus_profile and profile/user_group entries for
 | |
|      * the provided remote user or group.
 | |
|      * This should never return null -- you will either get an object or
 | |
|      * an exception will be thrown.
 | |
|      *
 | |
|      * @param ActivityObject $object
 | |
|      * @param array $hints
 | |
|      *
 | |
|      * @return Ostatus_profile
 | |
|      */
 | |
|     protected static function createActivityObjectProfile($object, $hints=array())
 | |
|     {
 | |
|         $homeuri = $object->id;
 | |
|         $discover = false;
 | |
| 
 | |
|         if (!$homeuri) {
 | |
|             common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
 | |
|             // TRANS: Exception.
 | |
|             throw new Exception(_m('No profile URI.'));
 | |
|         }
 | |
| 
 | |
|         $user = User::staticGet('uri', $homeuri);
 | |
|         if ($user) {
 | |
|             // TRANS: Exception.
 | |
|             throw new Exception(_m('Local user cannot be referenced as remote.'));
 | |
|         }
 | |
| 
 | |
|         if (OStatusPlugin::localGroupFromUrl($homeuri)) {
 | |
|             // TRANS: Exception.
 | |
|             throw new Exception(_m('Local group cannot be referenced as remote.'));
 | |
|         }
 | |
| 
 | |
|         $ptag = Profile_list::staticGet('uri', $homeuri);
 | |
|         if ($ptag) {
 | |
|             $local_user = User::staticGet('id', $ptag->tagger);
 | |
|             if (!empty($local_user)) {
 | |
|                 // TRANS: Exception.
 | |
|                 throw new Exception(_m('Local list cannot be referenced as remote.'));
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         if (array_key_exists('feedurl', $hints)) {
 | |
|             $feeduri = $hints['feedurl'];
 | |
|         } else {
 | |
|             $discover = new FeedDiscovery();
 | |
|             $feeduri = $discover->discoverFromURL($homeuri);
 | |
|         }
 | |
| 
 | |
|         if (array_key_exists('salmon', $hints)) {
 | |
|             $salmonuri = $hints['salmon'];
 | |
|         } else {
 | |
|             if (!$discover) {
 | |
|                 $discover = new FeedDiscovery();
 | |
|                 $discover->discoverFromFeedURL($hints['feedurl']);
 | |
|             }
 | |
|             $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
 | |
|         }
 | |
| 
 | |
|         if (array_key_exists('hub', $hints)) {
 | |
|             $huburi = $hints['hub'];
 | |
|         } else {
 | |
|             if (!$discover) {
 | |
|                 $discover = new FeedDiscovery();
 | |
|                 $discover->discoverFromFeedURL($hints['feedurl']);
 | |
|             }
 | |
|             $huburi = $discover->getHubLink();
 | |
|         }
 | |
| 
 | |
|         if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
 | |
|             // We can only deal with folks with a PuSH hub
 | |
|             throw new FeedSubNoHubException();
 | |
|         }
 | |
| 
 | |
|         $oprofile = new Ostatus_profile();
 | |
| 
 | |
|         $oprofile->uri        = $homeuri;
 | |
|         $oprofile->feeduri    = $feeduri;
 | |
|         $oprofile->salmonuri  = $salmonuri;
 | |
| 
 | |
|         $oprofile->created    = common_sql_now();
 | |
|         $oprofile->modified   = common_sql_now();
 | |
| 
 | |
|         if ($object->type == ActivityObject::PERSON) {
 | |
|             $profile = new Profile();
 | |
|             $profile->created = common_sql_now();
 | |
|             self::updateProfile($profile, $object, $hints);
 | |
| 
 | |
|             $oprofile->profile_id = $profile->insert();
 | |
|             if (!$oprofile->profile_id) {
 | |
|                 // TRANS: Server exception.
 | |
|                 throw new ServerException(_m('Cannot save local profile.'));
 | |
|             }
 | |
|         } else if ($object->type == ActivityObject::GROUP) {
 | |
|             $group = new User_group();
 | |
|             $group->uri = $homeuri;
 | |
|             $group->created = common_sql_now();
 | |
|             self::updateGroup($group, $object, $hints);
 | |
| 
 | |
|             $oprofile->group_id = $group->insert();
 | |
|             if (!$oprofile->group_id) {
 | |
|                 // TRANS: Server exception.
 | |
|                 throw new ServerException(_m('Cannot save local profile.'));
 | |
|             }
 | |
|         } else if ($object->type == ActivityObject::_LIST) {
 | |
|             $ptag = new Profile_list();
 | |
|             $ptag->uri = $homeuri;
 | |
|             $ptag->created = common_sql_now();
 | |
|             self::updatePeopletag($ptag, $object, $hints);
 | |
| 
 | |
|             $oprofile->peopletag_id = $ptag->insert();
 | |
|             if (!$oprofile->peopletag_id) {
 | |
|             // TRANS: Server exception.
 | |
|                 throw new ServerException(_m('Cannot save local list.'));
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         $ok = $oprofile->insert();
 | |
| 
 | |
|         if (!$ok) {
 | |
|             // TRANS: Server exception.
 | |
|             throw new ServerException(_m('Cannot save OStatus profile.'));
 | |
|         }
 | |
| 
 | |
|         $avatar = self::getActivityObjectAvatar($object, $hints);
 | |
| 
 | |
|         if ($avatar) {
 | |
|             try {
 | |
|                 $oprofile->updateAvatar($avatar);
 | |
|             } catch (Exception $ex) {
 | |
|                 // Profile is saved, but Avatar is messed up. We're
 | |
|                 // just going to continue.
 | |
|                 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: ". $ex->getMessage());
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         return $oprofile;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Save any updated profile information to our local copy.
 | |
|      * @param ActivityObject $object
 | |
|      * @param array $hints
 | |
|      */
 | |
|     public function updateFromActivityObject($object, $hints=array())
 | |
|     {
 | |
|         if ($this->isGroup()) {
 | |
|             $group = $this->localGroup();
 | |
|             self::updateGroup($group, $object, $hints);
 | |
|         } else if ($this->isPeopletag()) {
 | |
|             $ptag = $this->localPeopletag();
 | |
|             self::updatePeopletag($ptag, $object, $hints);
 | |
|         } else {
 | |
|             $profile = $this->localProfile();
 | |
|             self::updateProfile($profile, $object, $hints);
 | |
|         }
 | |
| 
 | |
|         $avatar = self::getActivityObjectAvatar($object, $hints);
 | |
|         if ($avatar && !isset($ptag)) {
 | |
|             try {
 | |
|                 $this->updateAvatar($avatar);
 | |
|             } catch (Exception $ex) {
 | |
|                 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: " . $ex->getMessage());
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     public static function updateProfile($profile, $object, $hints=array())
 | |
|     {
 | |
|         $orig = clone($profile);
 | |
| 
 | |
|         // Existing nickname is better than nothing.
 | |
| 
 | |
|         if (!array_key_exists('nickname', $hints)) {
 | |
|             $hints['nickname'] = $profile->nickname;
 | |
|         }
 | |
| 
 | |
|         $nickname = self::getActivityObjectNickname($object, $hints);
 | |
| 
 | |
|         if (!empty($nickname)) {
 | |
|             $profile->nickname = $nickname;
 | |
|         }
 | |
| 
 | |
|         if (!empty($object->title)) {
 | |
|             $profile->fullname = $object->title;
 | |
|         } else if (array_key_exists('fullname', $hints)) {
 | |
|             $profile->fullname = $hints['fullname'];
 | |
|         }
 | |
| 
 | |
|         if (!empty($object->link)) {
 | |
|             $profile->profileurl = $object->link;
 | |
|         } else if (array_key_exists('profileurl', $hints)) {
 | |
|             $profile->profileurl = $hints['profileurl'];
 | |
|         } else if (Validate::uri($object->id, array('allowed_schemes' => array('http', 'https')))) {
 | |
|             $profile->profileurl = $object->id;
 | |
|         }
 | |
| 
 | |
|         $bio = self::getActivityObjectBio($object, $hints);
 | |
| 
 | |
|         if (!empty($bio)) {
 | |
|             $profile->bio = $bio;
 | |
|         }
 | |
| 
 | |
|         $location = self::getActivityObjectLocation($object, $hints);
 | |
| 
 | |
|         if (!empty($location)) {
 | |
|             $profile->location = $location;
 | |
|         }
 | |
| 
 | |
|         $homepage = self::getActivityObjectHomepage($object, $hints);
 | |
| 
 | |
|         if (!empty($homepage)) {
 | |
|             $profile->homepage = $homepage;
 | |
|         }
 | |
| 
 | |
|         if (!empty($object->geopoint)) {
 | |
|             $location = ActivityContext::locationFromPoint($object->geopoint);
 | |
|             if (!empty($location)) {
 | |
|                 $profile->lat = $location->lat;
 | |
|                 $profile->lon = $location->lon;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // @todo FIXME: tags/categories
 | |
|         // @todo tags from categories
 | |
| 
 | |
|         if ($profile->id) {
 | |
|             common_log(LOG_DEBUG, "Updating OStatus profile $profile->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
 | |
|             $profile->update($orig);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     protected static function updateGroup($group, $object, $hints=array())
 | |
|     {
 | |
|         $orig = clone($group);
 | |
| 
 | |
|         $group->nickname = self::getActivityObjectNickname($object, $hints);
 | |
|         $group->fullname = $object->title;
 | |
| 
 | |
|         if (!empty($object->link)) {
 | |
|             $group->mainpage = $object->link;
 | |
|         } else if (array_key_exists('profileurl', $hints)) {
 | |
|             $group->mainpage = $hints['profileurl'];
 | |
|         }
 | |
| 
 | |
|         // @todo tags from categories
 | |
|         $group->description = self::getActivityObjectBio($object, $hints);
 | |
|         $group->location = self::getActivityObjectLocation($object, $hints);
 | |
|         $group->homepage = self::getActivityObjectHomepage($object, $hints);
 | |
| 
 | |
|         if ($group->id) {
 | |
|             common_log(LOG_DEBUG, "Updating OStatus group $group->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
 | |
|             $group->update($orig);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     protected static function updatePeopletag($tag, $object, $hints=array()) {
 | |
|         $orig = clone($tag);
 | |
| 
 | |
|         $tag->tag = $object->title;
 | |
| 
 | |
|         if (!empty($object->link)) {
 | |
|             $tag->mainpage = $object->link;
 | |
|         } else if (array_key_exists('profileurl', $hints)) {
 | |
|             $tag->mainpage = $hints['profileurl'];
 | |
|         }
 | |
| 
 | |
|         $tag->description = $object->summary;
 | |
|         $tagger = self::ensureActivityObjectProfile($object->owner);
 | |
|         $tag->tagger = $tagger->profile_id;
 | |
| 
 | |
|         if ($tag->id) {
 | |
|             common_log(LOG_DEBUG, "Updating OStatus peopletag $tag->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
 | |
|             $tag->update($orig);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     protected static function getActivityObjectHomepage($object, $hints=array())
 | |
|     {
 | |
|         $homepage = null;
 | |
|         $poco     = $object->poco;
 | |
| 
 | |
|         if (!empty($poco)) {
 | |
|             $url = $poco->getPrimaryURL();
 | |
|             if ($url && $url->type == 'homepage') {
 | |
|                 $homepage = $url->value;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // @todo Try for a another PoCo URL?
 | |
| 
 | |
|         return $homepage;
 | |
|     }
 | |
| 
 | |
|     protected static function getActivityObjectLocation($object, $hints=array())
 | |
|     {
 | |
|         $location = null;
 | |
| 
 | |
|         if (!empty($object->poco) &&
 | |
|             isset($object->poco->address->formatted)) {
 | |
|             $location = $object->poco->address->formatted;
 | |
|         } else if (array_key_exists('location', $hints)) {
 | |
|             $location = $hints['location'];
 | |
|         }
 | |
| 
 | |
|         if (!empty($location)) {
 | |
|             if (mb_strlen($location) > 255) {
 | |
|                 $location = mb_substr($note, 0, 255 - 3) . ' … ';
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // @todo Try to find location some othe way? Via goerss point?
 | |
| 
 | |
|         return $location;
 | |
|     }
 | |
| 
 | |
|     protected static function getActivityObjectBio($object, $hints=array())
 | |
|     {
 | |
|         $bio  = null;
 | |
| 
 | |
|         if (!empty($object->poco)) {
 | |
|             $note = $object->poco->note;
 | |
|         } else if (array_key_exists('bio', $hints)) {
 | |
|             $note = $hints['bio'];
 | |
|         }
 | |
| 
 | |
|         if (!empty($note)) {
 | |
|             if (Profile::bioTooLong($note)) {
 | |
|                 // XXX: truncate ok?
 | |
|                 $bio = mb_substr($note, 0, Profile::maxBio() - 3) . ' … ';
 | |
|             } else {
 | |
|                 $bio = $note;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // @todo Try to get bio info some other way?
 | |
| 
 | |
|         return $bio;
 | |
|     }
 | |
| 
 | |
|     public static function getActivityObjectNickname($object, $hints=array())
 | |
|     {
 | |
|         if ($object->poco) {
 | |
|             if (!empty($object->poco->preferredUsername)) {
 | |
|                 return common_nicknamize($object->poco->preferredUsername);
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         if (!empty($object->nickname)) {
 | |
|             return common_nicknamize($object->nickname);
 | |
|         }
 | |
| 
 | |
|         if (array_key_exists('nickname', $hints)) {
 | |
|             return $hints['nickname'];
 | |
|         }
 | |
| 
 | |
|         // Try the profile url (like foo.example.com or example.com/user/foo)
 | |
|         if (!empty($object->link)) {
 | |
|             $profileUrl = $object->link;
 | |
|         } else if (!empty($hints['profileurl'])) {
 | |
|             $profileUrl = $hints['profileurl'];
 | |
|         }
 | |
| 
 | |
|         if (!empty($profileUrl)) {
 | |
|             $nickname = self::nicknameFromURI($profileUrl);
 | |
|         }
 | |
| 
 | |
|         // Try the URI (may be a tag:, http:, acct:, ...
 | |
| 
 | |
|         if (empty($nickname)) {
 | |
|             $nickname = self::nicknameFromURI($object->id);
 | |
|         }
 | |
| 
 | |
|         // Try a Webfinger if one was passed (way) down
 | |
| 
 | |
|         if (empty($nickname)) {
 | |
|             if (array_key_exists('webfinger', $hints)) {
 | |
|                 $nickname = self::nicknameFromURI($hints['webfinger']);
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // Try the name
 | |
| 
 | |
|         if (empty($nickname)) {
 | |
|             $nickname = common_nicknamize($object->title);
 | |
|         }
 | |
| 
 | |
|         return $nickname;
 | |
|     }
 | |
| 
 | |
|     protected static function nicknameFromURI($uri)
 | |
|     {
 | |
|         if (preg_match('/(\w+):/', $uri, $matches)) {
 | |
|             $protocol = $matches[1];
 | |
|         } else {
 | |
|             return null;
 | |
|         }
 | |
| 
 | |
|         switch ($protocol) {
 | |
|         case 'acct':
 | |
|         case 'mailto':
 | |
|             if (preg_match("/^$protocol:(.*)?@.*\$/", $uri, $matches)) {
 | |
|                 return common_canonical_nickname($matches[1]);
 | |
|             }
 | |
|             return null;
 | |
|         case 'http':
 | |
|             return common_url_to_nickname($uri);
 | |
|             break;
 | |
|         default:
 | |
|             return null;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Look up, and if necessary create, an Ostatus_profile for the remote
 | |
|      * entity with the given webfinger address.
 | |
|      * This should never return null -- you will either get an object or
 | |
|      * an exception will be thrown.
 | |
|      *
 | |
|      * @param string $addr webfinger address
 | |
|      * @return Ostatus_profile
 | |
|      * @throws Exception on error conditions
 | |
|      * @throws OStatusShadowException if this reference would obscure a local user/group
 | |
|      */
 | |
|     public static function ensureWebfinger($addr)
 | |
|     {
 | |
|         // First, try the cache
 | |
| 
 | |
|         $uri = self::cacheGet(sprintf('ostatus_profile:webfinger:%s', $addr));
 | |
| 
 | |
|         if ($uri !== false) {
 | |
|             if (is_null($uri)) {
 | |
|                 // Negative cache entry
 | |
|                 // TRANS: Exception.
 | |
|                 throw new Exception(_m('Not a valid webfinger address.'));
 | |
|             }
 | |
|             $oprofile = Ostatus_profile::staticGet('uri', $uri);
 | |
|             if (!empty($oprofile)) {
 | |
|                 return $oprofile;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // Try looking it up
 | |
|         $oprofile = Ostatus_profile::staticGet('uri', 'acct:'.$addr);
 | |
| 
 | |
|         if (!empty($oprofile)) {
 | |
|             self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
 | |
|             return $oprofile;
 | |
|         }
 | |
| 
 | |
|         // Now, try some discovery
 | |
| 
 | |
|         $disco = new Discovery();
 | |
| 
 | |
|         try {
 | |
|             $xrd = $disco->lookup($addr);
 | |
|         } catch (Exception $e) {
 | |
|             // Save negative cache entry so we don't waste time looking it up again.
 | |
|             // @todo FIXME: Distinguish temporary failures?
 | |
|             self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), null);
 | |
|             // TRANS: Exception.
 | |
|             throw new Exception(_m('Not a valid webfinger address.'));
 | |
|         }
 | |
| 
 | |
|         $hints = array('webfinger' => $addr);
 | |
| 
 | |
|         $dhints = DiscoveryHints::fromXRD($xrd);
 | |
| 
 | |
|         $hints = array_merge($hints, $dhints);
 | |
| 
 | |
|         // If there's an Hcard, let's grab its info
 | |
|         if (array_key_exists('hcard', $hints)) {
 | |
|             if (!array_key_exists('profileurl', $hints) ||
 | |
|                 $hints['hcard'] != $hints['profileurl']) {
 | |
|                 $hcardHints = DiscoveryHints::fromHcardUrl($hints['hcard']);
 | |
|                 $hints = array_merge($hcardHints, $hints);
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // If we got a feed URL, try that
 | |
|         if (array_key_exists('feedurl', $hints)) {
 | |
|             try {
 | |
|                 common_log(LOG_INFO, "Discovery on acct:$addr with feed URL " . $hints['feedurl']);
 | |
|                 $oprofile = self::ensureFeedURL($hints['feedurl'], $hints);
 | |
|                 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
 | |
|                 return $oprofile;
 | |
|             } catch (Exception $e) {
 | |
|                 common_log(LOG_WARNING, "Failed creating profile from feed URL '$feedUrl': " . $e->getMessage());
 | |
|                 // keep looking
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // If we got a profile page, try that!
 | |
|         if (array_key_exists('profileurl', $hints)) {
 | |
|             try {
 | |
|                 common_log(LOG_INFO, "Discovery on acct:$addr with profile URL $profileUrl");
 | |
|                 $oprofile = self::ensureProfileURL($hints['profileurl'], $hints);
 | |
|                 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
 | |
|                 return $oprofile;
 | |
|             } catch (OStatusShadowException $e) {
 | |
|                 // We've ended up with a remote reference to a local user or group.
 | |
|                 // @todo FIXME: Ideally we should be able to say who it was so we can
 | |
|                 // go back and refer to it the regular way
 | |
|                 throw $e;
 | |
|             } catch (Exception $e) {
 | |
|                 common_log(LOG_WARNING, "Failed creating profile from profile URL '$profileUrl': " . $e->getMessage());
 | |
|                 // keep looking
 | |
|                 //
 | |
|                 // @todo FIXME: This means an error discovering from profile page
 | |
|                 // may give us a corrupt entry using the webfinger URI, which
 | |
|                 // will obscure the correct page-keyed profile later on.
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // XXX: try hcard
 | |
|         // XXX: try FOAF
 | |
| 
 | |
|         if (array_key_exists('salmon', $hints)) {
 | |
|             $salmonEndpoint = $hints['salmon'];
 | |
| 
 | |
|             // An account URL, a salmon endpoint, and a dream? Not much to go
 | |
|             // on, but let's give it a try
 | |
| 
 | |
|             $uri = 'acct:'.$addr;
 | |
| 
 | |
|             $profile = new Profile();
 | |
| 
 | |
|             $profile->nickname = self::nicknameFromUri($uri);
 | |
|             $profile->created  = common_sql_now();
 | |
| 
 | |
|             if (isset($profileUrl)) {
 | |
|                 $profile->profileurl = $profileUrl;
 | |
|             }
 | |
| 
 | |
|             $profile_id = $profile->insert();
 | |
| 
 | |
|             if (!$profile_id) {
 | |
|                 common_log_db_error($profile, 'INSERT', __FILE__);
 | |
|                 // TRANS: Exception. %s is a webfinger address.
 | |
|                 throw new Exception(sprintf(_m('Could not save profile for "%s".'),$addr));
 | |
|             }
 | |
| 
 | |
|             $oprofile = new Ostatus_profile();
 | |
| 
 | |
|             $oprofile->uri        = $uri;
 | |
|             $oprofile->salmonuri  = $salmonEndpoint;
 | |
|             $oprofile->profile_id = $profile_id;
 | |
|             $oprofile->created    = common_sql_now();
 | |
| 
 | |
|             if (isset($feedUrl)) {
 | |
|                 $profile->feeduri = $feedUrl;
 | |
|             }
 | |
| 
 | |
|             $result = $oprofile->insert();
 | |
| 
 | |
|             if (!$result) {
 | |
|                 common_log_db_error($oprofile, 'INSERT', __FILE__);
 | |
|                 // TRANS: Exception. %s is a webfinger address.
 | |
|                 throw new Exception(sprintf(_m('Could not save OStatus profile for "%s".'),$addr));
 | |
|             }
 | |
| 
 | |
|             self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
 | |
|             return $oprofile;
 | |
|         }
 | |
| 
 | |
|         // TRANS: Exception. %s is a webfinger address.
 | |
|         throw new Exception(sprintf(_m('Could not find a valid profile for "%s".'),$addr));
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Store the full-length scrubbed HTML of a remote notice to an attachment
 | |
|      * file on our server. We'll link to this at the end of the cropped version.
 | |
|      *
 | |
|      * @param string $title plaintext for HTML page's title
 | |
|      * @param string $rendered HTML fragment for HTML page's body
 | |
|      * @return File
 | |
|      */
 | |
|     function saveHTMLFile($title, $rendered)
 | |
|     {
 | |
|         $final = sprintf("<!DOCTYPE html>\n" .
 | |
|                          '<html><head>' .
 | |
|                          '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">' .
 | |
|                          '<title>%s</title>' .
 | |
|                          '</head>' .
 | |
|                          '<body>%s</body></html>',
 | |
|                          htmlspecialchars($title),
 | |
|                          $rendered);
 | |
| 
 | |
|         $filename = File::filename($this->localProfile(),
 | |
|                                    'ostatus', // ignored?
 | |
|                                    'text/html');
 | |
| 
 | |
|         $filepath = File::path($filename);
 | |
| 
 | |
|         file_put_contents($filepath, $final);
 | |
| 
 | |
|         $file = new File;
 | |
| 
 | |
|         $file->filename = $filename;
 | |
|         $file->url      = File::url($filename);
 | |
|         $file->size     = filesize($filepath);
 | |
|         $file->date     = time();
 | |
|         $file->mimetype = 'text/html';
 | |
| 
 | |
|         $file_id = $file->insert();
 | |
| 
 | |
|         if ($file_id === false) {
 | |
|             common_log_db_error($file, "INSERT", __FILE__);
 | |
|             // TRANS: Server exception.
 | |
|             throw new ServerException(_m('Could not store HTML content of long post as file.'));
 | |
|         }
 | |
| 
 | |
|         return $file;
 | |
|     }
 | |
| 
 | |
|     static function ensureProfileURI($uri)
 | |
|     {
 | |
|         $oprofile = null;
 | |
| 
 | |
|         // First, try to query it
 | |
| 
 | |
|         $oprofile = Ostatus_profile::staticGet('uri', $uri);
 | |
| 
 | |
|         // If unfound, do discovery stuff
 | |
| 
 | |
|         if (empty($oprofile)) {
 | |
|             if (preg_match("/^(\w+)\:(.*)/", $uri, $match)) {
 | |
|                 $protocol = $match[1];
 | |
|                 switch ($protocol) {
 | |
|                 case 'http':
 | |
|                 case 'https':
 | |
|                     $oprofile = Ostatus_profile::ensureProfileURL($uri);
 | |
|                     break;
 | |
|                 case 'acct':
 | |
|                 case 'mailto':
 | |
|                     $rest = $match[2];
 | |
|                     $oprofile = Ostatus_profile::ensureWebfinger($rest);
 | |
|                     break;
 | |
|                 default:
 | |
|                     // TRANS: Server exception.
 | |
|                     // TRANS: %1$s is a protocol, %2$s is a URI.
 | |
|                     throw new ServerException(sprintf(_m('Unrecognized URI protocol for profile: %1$s (%2$s).'),
 | |
|                                                       $protocol,
 | |
|                                                       $uri));
 | |
|                     break;
 | |
|                 }
 | |
|             } else {
 | |
|                 // TRANS: Server exception. %s is a URI.
 | |
|                 throw new ServerException(sprintf(_m('No URI protocol for profile: %s.'),$uri));
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         return $oprofile;
 | |
|     }
 | |
| 
 | |
|     function checkAuthorship($activity)
 | |
|     {
 | |
|         if ($this->isGroup() || $this->isPeopletag()) {
 | |
|             // A group or propletag feed will contain posts from multiple authors.
 | |
|             $oprofile = self::ensureActorProfile($activity);
 | |
|             if ($oprofile->isGroup() || $oprofile->isPeopletag()) {
 | |
|                 // Groups can't post notices in StatusNet.
 | |
|                 common_log(LOG_WARNING,
 | |
|                     "OStatus: skipping post with group listed ".
 | |
|                     "as author: $oprofile->uri in feed from $this->uri");
 | |
|                 return false;
 | |
|             }
 | |
|         } else {
 | |
|             $actor = $activity->actor;
 | |
| 
 | |
|             if (empty($actor)) {
 | |
|                 // OK here! assume the default
 | |
|             } else if ($actor->id == $this->uri || $actor->link == $this->uri) {
 | |
|                 $this->updateFromActivityObject($actor);
 | |
|             } else if ($actor->id) {
 | |
|                 // We have an ActivityStreams actor with an explicit ID that doesn't match the feed owner.
 | |
|                 // This isn't what we expect from mainline OStatus person feeds!
 | |
|                 // Group feeds go down another path, with different validation...
 | |
|                 // Most likely this is a plain ol' blog feed of some kind which
 | |
|                 // doesn't match our expectations. We'll take the entry, but ignore
 | |
|                 // the <author> info.
 | |
|                 common_log(LOG_WARNING, "Got an actor '{$actor->title}' ({$actor->id}) on single-user feed for {$this->uri}");
 | |
|             } else {
 | |
|                 // Plain <author> without ActivityStreams actor info.
 | |
|                 // We'll just ignore this info for now and save the update under the feed's identity.
 | |
|             }
 | |
| 
 | |
|             $oprofile = $this;
 | |
|         }
 | |
| 
 | |
|         return $oprofile;
 | |
|     }
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Exception indicating we've got a remote reference to a local user,
 | |
|  * not a remote user!
 | |
|  *
 | |
|  * If we can ue a local profile after all, it's available as $e->profile.
 | |
|  */
 | |
| class OStatusShadowException extends Exception
 | |
| {
 | |
|     public $profile;
 | |
| 
 | |
|     /**
 | |
|      * @param Profile $profile
 | |
|      * @param string $message
 | |
|      */
 | |
|     function __construct($profile, $message) {
 | |
|         $this->profile = $profile;
 | |
|         parent::__construct($message);
 | |
|     }
 | |
| }
 |