3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2009-2010, StatusNet, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('STATUSNET')) {
25 * @package OStatusPlugin
26 * @maintainer Brion Vibber <brion@status.net>
29 class Ostatus_profile extends Managed_DataObject
31 public $__table = 'ostatus_profile';
40 public $avatar; // remote URL of the last avatar we saved
45 public /*static*/ function staticGet($k, $v=null)
47 return parent::staticGet(__CLASS__, $k, $v);
51 * Return table definition for Schema setup and DB_DataObject usage.
53 * @return array array of column definitions
56 static function schemaDef()
60 'uri' => array('type' => 'varchar', 'length' => 255, 'not null' => true),
61 'profile_id' => array('type' => 'integer'),
62 'group_id' => array('type' => 'integer'),
63 'feeduri' => array('type' => 'varchar', 'length' => 255),
64 'salmonuri' => array('type' => 'varchar', 'length' => 255),
65 'avatar' => array('type' => 'text'),
66 'created' => array('type' => 'datetime', 'not null' => true),
67 'modified' => array('type' => 'datetime', 'not null' => true),
69 'primary key' => array('uri'),
70 'unique keys' => array(
71 'ostatus_profile_profile_id_idx' => array('profile_id'),
72 'ostatus_profile_group_id_idx' => array('group_id'),
73 'ostatus_profile_feeduri_idx' => array('feeduri'),
75 'foreign keys' => array(
76 'ostatus_profile_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
77 'ostatus_profile_group_id_fkey' => array('user_group', array('group_id' => 'id')),
83 * Fetch the StatusNet-side profile for this feed
86 public function localProfile()
88 if ($this->profile_id) {
89 return Profile::staticGet('id', $this->profile_id);
95 * Fetch the StatusNet-side profile for this feed
98 public function localGroup()
100 if ($this->group_id) {
101 return User_group::staticGet('id', $this->group_id);
107 * Returns an ActivityObject describing this remote user or group profile.
108 * Can then be used to generate Atom chunks.
110 * @return ActivityObject
112 function asActivityObject()
114 if ($this->isGroup()) {
115 return ActivityObject::fromGroup($this->localGroup());
117 return ActivityObject::fromProfile($this->localProfile());
122 * Returns an XML string fragment with profile information as an
123 * Activity Streams noun object with the given element type.
125 * Assumes that 'activity' namespace has been previously defined.
127 * @fixme replace with wrappers on asActivityObject when it's got everything.
129 * @param string $element one of 'actor', 'subject', 'object', 'target'
132 function asActivityNoun($element)
134 if ($this->isGroup()) {
135 $noun = ActivityObject::fromGroup($this->localGroup());
136 return $noun->asString('activity:' . $element);
138 $noun = ActivityObject::fromProfile($this->localProfile());
139 return $noun->asString('activity:' . $element);
144 * @return boolean true if this is a remote group
148 if ($this->profile_id && !$this->group_id) {
150 } else if ($this->group_id && !$this->profile_id) {
152 } else if ($this->group_id && $this->profile_id) {
153 // TRANS: Server exception. %s is a URI.
154 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: both group and profile IDs set for %s.'),$this->uri));
156 // TRANS: Server exception. %s is a URI.
157 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: both group and profile IDs empty for %s.'),$this->uri));
162 * Send a subscription request to the hub for this feed.
163 * The hub will later send us a confirmation POST to /main/push/callback.
165 * @return bool true on success, false on failure
166 * @throws ServerException if feed state is not valid
168 public function subscribe()
170 $feedsub = FeedSub::ensureFeed($this->feeduri);
171 if ($feedsub->sub_state == 'active') {
172 // Active subscription, we don't need to do anything.
175 // Inactive or we got left in an inconsistent state.
176 // Run a subscription request to make sure we're current!
177 return $feedsub->subscribe();
182 * Check if this remote profile has any active local subscriptions, and
183 * if not drop the PuSH subscription feed.
185 * @return bool true on success, false on failure
187 public function unsubscribe() {
188 $this->garbageCollect();
192 * Check if this remote profile has any active local subscriptions, and
193 * if not drop the PuSH subscription feed.
197 public function garbageCollect()
199 $feedsub = FeedSub::staticGet('uri', $this->feeduri);
200 return $feedsub->garbageCollect();
204 * Check if this remote profile has any active local subscriptions, so the
205 * PuSH subscription layer can decide if it can drop the feed.
207 * This gets called via the FeedSubSubscriberCount event when running
208 * FeedSub::garbageCollect().
212 public function subscriberCount()
214 if ($this->isGroup()) {
215 $members = $this->localGroup()->getMembers(0, 1);
216 $count = $members->N;
218 $count = $this->localProfile()->subscriberCount();
220 common_log(LOG_INFO, __METHOD__ . " SUB COUNT BEFORE: $count");
222 // Other plugins may be piggybacking on OStatus without having
223 // an active group or user-to-user subscription we know about.
224 Event::handle('Ostatus_profileSubscriberCount', array($this, &$count));
225 common_log(LOG_INFO, __METHOD__ . " SUB COUNT AFTER: $count");
231 * Send an Activity Streams notification to the remote Salmon endpoint,
234 * @param Profile $actor Actor who did the activity
235 * @param string $verb Activity::SUBSCRIBE or Activity::JOIN
236 * @param Object $object object of the action; must define asActivityNoun($tag)
238 public function notify($actor, $verb, $object=null)
240 if (!($actor instanceof Profile)) {
241 $type = gettype($actor);
242 if ($type == 'object') {
243 $type = get_class($actor);
245 // TRANS: Server exception.
246 // TRANS: %1$s is the method name the exception occured in, %2$s is the actor type.
247 throw new ServerException(sprintf(_m('Invalid actor passed to %1$s: %2$s.'),__METHOD__,$type));
249 if ($object == null) {
252 if ($this->salmonuri) {
255 $id = TagURI::mint('%s:%s:%s',
258 common_date_iso8601(time()));
260 // @fixme consolidate all these NS settings somewhere
261 $attributes = array('xmlns' => Activity::ATOM,
262 'xmlns:activity' => 'http://activitystrea.ms/spec/1.0/',
263 'xmlns:thr' => 'http://purl.org/syndication/thread/1.0',
264 'xmlns:georss' => 'http://www.georss.org/georss',
265 'xmlns:ostatus' => 'http://ostatus.org/schema/1.0',
266 'xmlns:poco' => 'http://portablecontacts.net/spec/1.0',
267 'xmlns:media' => 'http://purl.org/syndication/atommedia');
269 $entry = new XMLStringer();
270 $entry->elementStart('entry', $attributes);
271 $entry->element('id', null, $id);
272 $entry->element('title', null, $text);
273 $entry->element('summary', null, $text);
274 $entry->element('published', null, common_date_w3dtf(common_sql_now()));
276 $entry->element('activity:verb', null, $verb);
277 $entry->raw($actor->asAtomAuthor());
278 $entry->raw($actor->asActivityActor());
279 $entry->raw($object->asActivityNoun('object'));
280 $entry->elementEnd('entry');
282 $xml = $entry->getString();
283 common_log(LOG_INFO, "Posting to Salmon endpoint $this->salmonuri: $xml");
285 $salmon = new Salmon(); // ?
286 return $salmon->post($this->salmonuri, $xml, $actor);
292 * Send a Salmon notification ping immediately, and confirm that we got
293 * an acceptable response from the remote site.
295 * @param mixed $entry XML string, Notice, or Activity
296 * @param Profile $actor
297 * @return boolean success
299 public function notifyActivity($entry, $actor)
301 if ($this->salmonuri) {
302 $salmon = new Salmon();
303 return $salmon->post($this->salmonuri, $this->notifyPrepXml($entry), $actor);
310 * Queue a Salmon notification for later. If queues are disabled we'll
311 * send immediately but won't get the return value.
313 * @param mixed $entry XML string, Notice, or Activity
314 * @return boolean success
316 public function notifyDeferred($entry, $actor)
318 if ($this->salmonuri) {
319 $data = array('salmonuri' => $this->salmonuri,
320 'entry' => $this->notifyPrepXml($entry),
321 'actor' => $actor->id);
323 $qm = QueueManager::get();
324 return $qm->enqueue($data, 'salmon');
330 protected function notifyPrepXml($entry)
332 $preamble = '<?xml version="1.0" encoding="UTF-8" ?' . '>';
333 if (is_string($entry)) {
335 } else if ($entry instanceof Activity) {
336 return $preamble . $entry->asString(true);
337 } else if ($entry instanceof Notice) {
338 return $preamble . $entry->asAtomEntry(true, true);
340 // TRANS: Server exception.
341 throw new ServerException(_m('Invalid type passed to Ostatus_profile::notify. It must be XML string or Activity entry.'));
345 function getBestName()
347 if ($this->isGroup()) {
348 return $this->localGroup()->getBestName();
350 return $this->localProfile()->getBestName();
355 * Read and post notices for updates from the feed.
356 * Currently assumes that all items in the feed are new,
357 * coming from a PuSH hub.
359 * @param DOMDocument $doc
360 * @param string $source identifier ("push")
362 public function processFeed(DOMDocument $doc, $source)
364 $feed = $doc->documentElement;
366 if ($feed->localName == 'feed' && $feed->namespaceURI == Activity::ATOM) {
367 $this->processAtomFeed($feed, $source);
368 } else if ($feed->localName == 'rss') { // @fixme check namespace
369 $this->processRssFeed($feed, $source);
372 throw new Exception(_m('Unknown feed format.'));
376 public function processAtomFeed(DOMElement $feed, $source)
378 $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
379 if ($entries->length == 0) {
380 common_log(LOG_ERR, __METHOD__ . ": no entries in feed update, ignoring");
384 for ($i = 0; $i < $entries->length; $i++) {
385 $entry = $entries->item($i);
386 $this->processEntry($entry, $feed, $source);
390 public function processRssFeed(DOMElement $rss, $source)
392 $channels = $rss->getElementsByTagName('channel');
394 if ($channels->length == 0) {
396 throw new Exception(_m('RSS feed without a channel.'));
397 } else if ($channels->length > 1) {
398 common_log(LOG_WARNING, __METHOD__ . ": more than one channel in an RSS feed");
401 $channel = $channels->item(0);
403 $items = $channel->getElementsByTagName('item');
405 for ($i = 0; $i < $items->length; $i++) {
406 $item = $items->item($i);
407 $this->processEntry($item, $channel, $source);
412 * Process a posted entry from this feed source.
414 * @param DOMElement $entry
415 * @param DOMElement $feed for context
416 * @param string $source identifier ("push" or "salmon")
419 public function processEntry($entry, $feed, $source)
421 $activity = new Activity($entry, $feed);
423 if (Event::handle('StartHandleFeedEntryWithProfile', array($activity, $this)) &&
424 Event::handle('StartHandleFeedEntry', array($activity))) {
426 // @todo process all activity objects
427 switch ($activity->objects[0]->type) {
428 case ActivityObject::ARTICLE:
429 case ActivityObject::BLOGENTRY:
430 case ActivityObject::NOTE:
431 case ActivityObject::STATUS:
432 case ActivityObject::COMMENT:
434 if ($activity->verb == ActivityVerb::POST) {
435 $this->processPost($activity, $source);
437 common_log(LOG_INFO, "Ignoring activity with unrecognized verb $activity->verb");
441 // TRANS: Client exception.
442 throw new ClientException(_m('Can\'t handle that kind of post.'));
445 Event::handle('EndHandleFeedEntry', array($activity));
446 Event::handle('EndHandleFeedEntryWithProfile', array($activity, $this));
451 * Process an incoming post activity from this remote feed.
452 * @param Activity $activity
453 * @param string $method 'push' or 'salmon'
454 * @return mixed saved Notice or false
455 * @fixme break up this function, it's getting nasty long
457 public function processPost($activity, $method)
459 $oprofile = $this->checkAuthorship($activity);
461 if (empty($oprofile)) {
465 // It's not always an ActivityObject::NOTE, but... let's just say it is.
467 $note = $activity->objects[0];
469 // The id URI will be used as a unique identifier for for the notice,
470 // protecting against duplicate saves. It isn't required to be a URL;
471 // tag: URIs for instance are found in Google Buzz feeds.
472 $sourceUri = $note->id;
473 $dupe = Notice::staticGet('uri', $sourceUri);
475 common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
479 // We'll also want to save a web link to the original notice, if provided.
482 $sourceUrl = $note->link;
483 } else if ($activity->link) {
484 $sourceUrl = $activity->link;
485 } else if (preg_match('!^https?://!', $note->id)) {
486 $sourceUrl = $note->id;
489 // Use summary as fallback for content
491 if (!empty($note->content)) {
492 $sourceContent = $note->content;
493 } else if (!empty($note->summary)) {
494 $sourceContent = $note->summary;
495 } else if (!empty($note->title)) {
496 $sourceContent = $note->title;
498 // @fixme fetch from $sourceUrl?
499 // TRANS: Client exception. %s is a source URI.
500 throw new ClientException(sprintf(_m('No content for notice %s.'),$sourceUri));
503 // Get (safe!) HTML and text versions of the content
505 $rendered = $this->purify($sourceContent);
506 $content = html_entity_decode(strip_tags($rendered), ENT_QUOTES, 'UTF-8');
508 $shortened = common_shorten_links($content);
510 // If it's too long, try using the summary, and make the
511 // HTML an attachment.
515 if (Notice::contentTooLong($shortened)) {
516 $attachment = $this->saveHTMLFile($note->title, $rendered);
517 $summary = html_entity_decode(strip_tags($note->summary), ENT_QUOTES, 'UTF-8');
518 if (empty($summary)) {
521 $shortSummary = common_shorten_links($summary);
522 if (Notice::contentTooLong($shortSummary)) {
523 $url = common_shorten_url($sourceUrl);
524 $shortSummary = substr($shortSummary,
526 Notice::maxContent() - (mb_strlen($url) + 2));
527 $content = $shortSummary . ' ' . $url;
529 // We mark up the attachment link specially for the HTML output
530 // so we can fold-out the full version inline.
532 // @fixme I18N this tooltip will be saved with the site's default language
533 // TRANS: Shown when a notice is longer than supported and/or when attachments are present. At runtime
534 // TRANS: this will usually be replaced with localised text from StatusNet core messages.
535 $showMoreText = _m('Show more');
536 $attachUrl = common_local_url('attachment',
537 array('attachment' => $attachment->id));
538 $rendered = common_render_text($shortSummary) .
539 '<a href="' . htmlspecialchars($attachUrl) .'"'.
540 ' class="attachment more"' .
541 ' title="'. htmlspecialchars($showMoreText) . '">' .
547 $options = array('is_local' => Notice::REMOTE_OMB,
550 'rendered' => $rendered,
551 'replies' => array(),
556 // Check for optional attributes...
558 if (!empty($activity->time)) {
559 $options['created'] = common_sql_date($activity->time);
562 if ($activity->context) {
563 // Any individual or group attn: targets?
564 $replies = $activity->context->attention;
565 $options['groups'] = $this->filterReplies($oprofile, $replies);
566 $options['replies'] = $replies;
568 // Maintain direct reply associations
569 // @fixme what about conversation ID?
570 if (!empty($activity->context->replyToID)) {
571 $orig = Notice::staticGet('uri',
572 $activity->context->replyToID);
574 $options['reply_to'] = $orig->id;
578 $location = $activity->context->location;
580 $options['lat'] = $location->lat;
581 $options['lon'] = $location->lon;
582 if ($location->location_id) {
583 $options['location_ns'] = $location->location_ns;
584 $options['location_id'] = $location->location_id;
589 // Atom categories <-> hashtags
590 foreach ($activity->categories as $cat) {
592 $term = common_canonical_tag($cat->term);
594 $options['tags'][] = $term;
599 // Atom enclosures -> attachment URLs
600 foreach ($activity->enclosures as $href) {
601 // @fixme save these locally or....?
602 $options['urls'][] = $href;
606 $saved = Notice::saveNew($oprofile->profile_id,
611 Ostatus_source::saveNew($saved, $this, $method);
612 if (!empty($attachment)) {
613 File_to_post::processNew($attachment->id, $saved->id);
616 } catch (Exception $e) {
617 common_log(LOG_ERR, "OStatus save of remote message $sourceUri failed: " . $e->getMessage());
620 common_log(LOG_INFO, "OStatus saved remote message $sourceUri as notice id $saved->id");
627 protected function purify($html)
629 require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
630 $config = array('safe' => 1,
631 'deny_attribute' => 'id,style,on*');
632 return htmLawed($html, $config);
636 * Filters a list of recipient ID URIs to just those for local delivery.
637 * @param Ostatus_profile local profile of sender
638 * @param array in/out &$attention_uris set of URIs, will be pruned on output
639 * @return array of group IDs
641 protected function filterReplies($sender, &$attention_uris)
643 common_log(LOG_DEBUG, "Original reply recipients: " . implode(', ', $attention_uris));
646 foreach (array_unique($attention_uris) as $recipient) {
647 // Is the recipient a local user?
648 $user = User::staticGet('uri', $recipient);
650 // @fixme sender verification, spam etc?
651 $replies[] = $recipient;
655 // Is the recipient a local group?
656 // $group = User_group::staticGet('uri', $recipient);
657 $id = OStatusPlugin::localGroupFromUrl($recipient);
659 $group = User_group::staticGet('id', $id);
661 // Deliver to all members of this local group if allowed.
662 $profile = $sender->localProfile();
663 if ($profile->isMember($group)) {
664 $groups[] = $group->id;
666 common_log(LOG_DEBUG, "Skipping reply to local group $group->nickname as sender $profile->id is not a member");
670 common_log(LOG_DEBUG, "Skipping reply to bogus group $recipient");
674 // Is the recipient a remote user or group?
676 $oprofile = Ostatus_profile::ensureProfileURI($recipient);
677 if ($oprofile->isGroup()) {
678 // Deliver to local members of this remote group.
679 // @fixme sender verification?
680 $groups[] = $oprofile->group_id;
682 // may be canonicalized or something
683 $replies[] = $oprofile->uri;
686 } catch (Exception $e) {
687 // Neither a recognizable local nor remote user!
688 common_log(LOG_DEBUG, "Skipping reply to unrecognized profile $recipient: " . $e->getMessage());
692 $attention_uris = $replies;
693 common_log(LOG_DEBUG, "Local reply recipients: " . implode(', ', $replies));
694 common_log(LOG_DEBUG, "Local group recipients: " . implode(', ', $groups));
699 * Look up and if necessary create an Ostatus_profile for the remote entity
700 * with the given profile page URL. This should never return null -- you
701 * will either get an object or an exception will be thrown.
703 * @param string $profile_url
704 * @return Ostatus_profile
705 * @throws Exception on various error conditions
706 * @throws OStatusShadowException if this reference would obscure a local user/group
709 public static function ensureProfileURL($profile_url, $hints=array())
711 $oprofile = self::getFromProfileURL($profile_url);
713 if (!empty($oprofile)) {
717 $hints['profileurl'] = $profile_url;
722 $client = new HTTPClient();
723 $client->setHeader('Accept', 'text/html,application/xhtml+xml');
724 $response = $client->get($profile_url);
726 if (!$response->isOk()) {
727 // TRANS: Exception. %s is a profile URL.
728 throw new Exception(sprintf(_m('Could not reach profile page %s.'),$profile_url));
731 // Check if we have a non-canonical URL
733 $finalUrl = $response->getUrl();
735 if ($finalUrl != $profile_url) {
737 $hints['profileurl'] = $finalUrl;
739 $oprofile = self::getFromProfileURL($finalUrl);
741 if (!empty($oprofile)) {
746 // Try to get some hCard data
748 $body = $response->getBody();
750 $hcardHints = DiscoveryHints::hcardHints($body, $finalUrl);
752 if (!empty($hcardHints)) {
753 $hints = array_merge($hints, $hcardHints);
756 // Check if they've got an LRDD header
758 $lrdd = LinkHeader::getLink($response, 'lrdd', 'application/xrd+xml');
762 $xrd = Discovery::fetchXrd($lrdd);
763 $xrdHints = DiscoveryHints::fromXRD($xrd);
765 $hints = array_merge($hints, $xrdHints);
768 // If discovery found a feedurl (probably from LRDD), use it.
770 if (array_key_exists('feedurl', $hints)) {
771 return self::ensureFeedURL($hints['feedurl'], $hints);
774 // Get the feed URL from HTML
776 $discover = new FeedDiscovery();
778 $feedurl = $discover->discoverFromHTML($finalUrl, $body);
780 if (!empty($feedurl)) {
781 $hints['feedurl'] = $feedurl;
782 return self::ensureFeedURL($feedurl, $hints);
785 // TRANS: Exception. %s is a URL.
786 throw new Exception(sprintf(_m('Could not find a feed URL for profile page %s.'),$finalUrl));
790 * Look up the Ostatus_profile, if present, for a remote entity with the
791 * given profile page URL. Will return null for both unknown and invalid
794 * @return mixed Ostatus_profile or null
795 * @throws OStatusShadowException for local profiles
797 static function getFromProfileURL($profile_url)
799 $profile = Profile::staticGet('profileurl', $profile_url);
801 if (empty($profile)) {
805 // Is it a known Ostatus profile?
807 $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
809 if (!empty($oprofile)) {
813 // Is it a local user?
815 $user = User::staticGet('id', $profile->id);
818 // @todo i18n FIXME: use sprintf and add i18n (?)
819 throw new OStatusShadowException($profile, "'$profile_url' is the profile for local user '{$user->nickname}'.");
822 // Continue discovery; it's a remote profile
823 // for OMB or some other protocol, may also
830 * Look up and if necessary create an Ostatus_profile for remote entity
831 * with the given update feed. This should never return null -- you will
832 * either get an object or an exception will be thrown.
834 * @return Ostatus_profile
837 public static function ensureFeedURL($feed_url, $hints=array())
839 $discover = new FeedDiscovery();
841 $feeduri = $discover->discoverFromFeedURL($feed_url);
842 $hints['feedurl'] = $feeduri;
844 $huburi = $discover->getHubLink();
845 $hints['hub'] = $huburi;
846 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
847 $hints['salmon'] = $salmonuri;
849 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
850 // We can only deal with folks with a PuSH hub
851 throw new FeedSubNoHubException();
854 $feedEl = $discover->root;
856 if ($feedEl->tagName == 'feed') {
857 return self::ensureAtomFeed($feedEl, $hints);
858 } else if ($feedEl->tagName == 'channel') {
859 return self::ensureRssChannel($feedEl, $hints);
861 throw new FeedSubBadXmlException($feeduri);
866 * Look up and, if necessary, create an Ostatus_profile for the remote
867 * profile with the given Atom feed - actually loaded from the feed.
868 * This should never return null -- you will either get an object or
869 * an exception will be thrown.
871 * @param DOMElement $feedEl root element of a loaded Atom feed
872 * @param array $hints additional discovery information passed from higher levels
873 * @fixme should this be marked public?
874 * @return Ostatus_profile
878 public static function ensureAtomFeed($feedEl, $hints)
880 $author = ActivityUtils::getFeedAuthor($feedEl);
882 if (empty($author)) {
883 // XXX: make some educated guesses here
884 // TRANS: Feed sub exception.
885 throw new FeedSubException(_m('Can\'t find enough profile '.
886 'information to make a feed.'));
889 return self::ensureActivityObjectProfile($author, $hints);
893 * Look up and, if necessary, create an Ostatus_profile for the remote
894 * profile with the given RSS feed - actually loaded from the feed.
895 * This should never return null -- you will either get an object or
896 * an exception will be thrown.
898 * @param DOMElement $feedEl root element of a loaded RSS feed
899 * @param array $hints additional discovery information passed from higher levels
900 * @fixme should this be marked public?
901 * @return Ostatus_profile
904 public static function ensureRssChannel($feedEl, $hints)
906 // Special-case for Posterous. They have some nice metadata in their
907 // posterous:author elements. We should use them instead of the channel.
909 $items = $feedEl->getElementsByTagName('item');
911 if ($items->length > 0) {
912 $item = $items->item(0);
913 $authorEl = ActivityUtils::child($item, ActivityObject::AUTHOR, ActivityObject::POSTEROUS);
914 if (!empty($authorEl)) {
915 $obj = ActivityObject::fromPosterousAuthor($authorEl);
916 // Posterous has multiple authors per feed, and multiple feeds
917 // per author. We check if this is the "main" feed for this author.
918 if (array_key_exists('profileurl', $hints) &&
919 !empty($obj->poco) &&
920 common_url_to_nickname($hints['profileurl']) == $obj->poco->preferredUsername) {
921 return self::ensureActivityObjectProfile($obj, $hints);
926 // @fixme we should check whether this feed has elements
927 // with different <author> or <dc:creator> elements, and... I dunno.
928 // Do something about that.
930 $obj = ActivityObject::fromRssChannel($feedEl);
932 return self::ensureActivityObjectProfile($obj, $hints);
936 * Download and update given avatar image
939 * @throws Exception in various failure cases
941 protected function updateAvatar($url)
943 if ($url == $this->avatar) {
944 // We've already got this one.
947 if (!common_valid_http_url($url)) {
948 // TRANS: Server exception. %s is a URL.
949 throw new ServerException(sprintf(_m("Invalid avatar URL %s."), $url));
952 if ($this->isGroup()) {
953 $self = $this->localGroup();
955 $self = $this->localProfile();
958 throw new ServerException(sprintf(
959 // TRANS: Server exception. %s is a URI.
960 _m("Tried to update avatar for unsaved remote profile %s."),
964 // @fixme this should be better encapsulated
965 // ripped from oauthstore.php (for old OMB client)
966 $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
968 if (!copy($url, $temp_filename)) {
969 // TRANS: Server exception. %s is a URL.
970 throw new ServerException(sprintf(_m("Unable to fetch avatar from %s."), $url));
973 if ($this->isGroup()) {
974 $id = $this->group_id;
976 $id = $this->profile_id;
978 // @fixme should we be using different ids?
979 $imagefile = new ImageFile($id, $temp_filename);
980 $filename = Avatar::filename($id,
981 image_type_to_extension($imagefile->type),
984 rename($temp_filename, Avatar::path($filename));
985 } catch (Exception $e) {
986 unlink($temp_filename);
989 // @fixme hardcoded chmod is lame, but seems to be necessary to
990 // keep from accidentally saving images from command-line (queues)
991 // that can't be read from web server, which causes hard-to-notice
992 // problems later on:
994 // http://status.net/open-source/issues/2663
995 chmod(Avatar::path($filename), 0644);
997 $self->setOriginal($filename);
999 $orig = clone($this);
1000 $this->avatar = $url;
1001 $this->update($orig);
1005 * Pull avatar URL from ActivityObject or profile hints
1007 * @param ActivityObject $object
1008 * @param array $hints
1009 * @return mixed URL string or false
1012 public static function getActivityObjectAvatar($object, $hints=array())
1014 if ($object->avatarLinks) {
1016 // Take the exact-size avatar, or the largest avatar, or the first avatar if all sizeless
1017 foreach ($object->avatarLinks as $avatar) {
1018 if ($avatar->width == AVATAR_PROFILE_SIZE && $avatar->height = AVATAR_PROFILE_SIZE) {
1023 if (!$best || $avatar->width > $best->width) {
1028 } else if (array_key_exists('avatar', $hints)) {
1029 return $hints['avatar'];
1035 * Get an appropriate avatar image source URL, if available.
1037 * @param ActivityObject $actor
1038 * @param DOMElement $feed
1042 protected static function getAvatar($actor, $feed)
1046 if ($actor->avatar) {
1047 $url = trim($actor->avatar);
1050 // Check <atom:logo> and <atom:icon> on the feed
1051 $els = $feed->childNodes();
1052 if ($els && $els->length) {
1053 for ($i = 0; $i < $els->length; $i++) {
1054 $el = $els->item($i);
1055 if ($el->namespaceURI == Activity::ATOM) {
1056 if (empty($url) && $el->localName == 'logo') {
1057 $url = trim($el->textContent);
1060 if (empty($icon) && $el->localName == 'icon') {
1061 // Use as a fallback
1062 $icon = trim($el->textContent);
1067 if ($icon && !$url) {
1072 $opts = array('allowed_schemes' => array('http', 'https'));
1073 if (Validate::uri($url, $opts)) {
1078 return Plugin::staticPath('OStatus', 'images/96px-Feed-icon.svg.png');
1082 * Fetch, or build if necessary, an Ostatus_profile for the actor
1083 * in a given Activity Streams activity.
1084 * This should never return null -- you will either get an object or
1085 * an exception will be thrown.
1087 * @param Activity $activity
1088 * @param string $feeduri if we already know the canonical feed URI!
1089 * @param string $salmonuri if we already know the salmon return channel URI
1090 * @return Ostatus_profile
1094 public static function ensureActorProfile($activity, $hints=array())
1096 return self::ensureActivityObjectProfile($activity->actor, $hints);
1100 * Fetch, or build if necessary, an Ostatus_profile for the profile
1101 * in a given Activity Streams object (can be subject, actor, or object).
1102 * This should never return null -- you will either get an object or
1103 * an exception will be thrown.
1105 * @param ActivityObject $object
1106 * @param array $hints additional discovery information passed from higher levels
1107 * @return Ostatus_profile
1111 public static function ensureActivityObjectProfile($object, $hints=array())
1113 $profile = self::getActivityObjectProfile($object);
1115 $profile->updateFromActivityObject($object, $hints);
1117 $profile = self::createActivityObjectProfile($object, $hints);
1123 * @param Activity $activity
1124 * @return mixed matching Ostatus_profile or false if none known
1125 * @throws ServerException if feed info invalid
1127 public static function getActorProfile($activity)
1129 return self::getActivityObjectProfile($activity->actor);
1133 * @param ActivityObject $activity
1134 * @return mixed matching Ostatus_profile or false if none known
1135 * @throws ServerException if feed info invalid
1137 protected static function getActivityObjectProfile($object)
1139 $uri = self::getActivityObjectProfileURI($object);
1140 return Ostatus_profile::staticGet('uri', $uri);
1144 * Get the identifier URI for the remote entity described
1145 * by this ActivityObject. This URI is *not* guaranteed to be
1146 * a resolvable HTTP/HTTPS URL.
1148 * @param ActivityObject $object
1150 * @throws ServerException if feed info invalid
1152 protected static function getActivityObjectProfileURI($object)
1155 if (ActivityUtils::validateUri($object->id)) {
1160 // If the id is missing or invalid (we've seen feeds mistakenly listing
1161 // things like local usernames in that field) then we'll use the profile
1162 // page link, if valid.
1163 if ($object->link && common_valid_http_url($object->link)) {
1164 return $object->link;
1166 throw new ServerException("No author ID URI found.");
1170 * @fixme validate stuff somewhere
1174 * Create local ostatus_profile and profile/user_group entries for
1175 * the provided remote user or group.
1176 * This should never return null -- you will either get an object or
1177 * an exception will be thrown.
1179 * @param ActivityObject $object
1180 * @param array $hints
1182 * @return Ostatus_profile
1184 protected static function createActivityObjectProfile($object, $hints=array())
1186 $homeuri = $object->id;
1190 common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
1191 throw new Exception("No profile URI");
1194 $user = User::staticGet('uri', $homeuri);
1196 // TRANS: Exception.
1197 throw new Exception(_m('Local user can\'t be referenced as remote.'));
1200 if (OStatusPlugin::localGroupFromUrl($homeuri)) {
1201 // TRANS: Exception.
1202 throw new Exception(_m('Local group can\'t be referenced as remote.'));
1205 if (array_key_exists('feedurl', $hints)) {
1206 $feeduri = $hints['feedurl'];
1208 $discover = new FeedDiscovery();
1209 $feeduri = $discover->discoverFromURL($homeuri);
1212 if (array_key_exists('salmon', $hints)) {
1213 $salmonuri = $hints['salmon'];
1216 $discover = new FeedDiscovery();
1217 $discover->discoverFromFeedURL($hints['feedurl']);
1219 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
1222 if (array_key_exists('hub', $hints)) {
1223 $huburi = $hints['hub'];
1226 $discover = new FeedDiscovery();
1227 $discover->discoverFromFeedURL($hints['feedurl']);
1229 $huburi = $discover->getHubLink();
1232 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
1233 // We can only deal with folks with a PuSH hub
1234 throw new FeedSubNoHubException();
1237 $oprofile = new Ostatus_profile();
1239 $oprofile->uri = $homeuri;
1240 $oprofile->feeduri = $feeduri;
1241 $oprofile->salmonuri = $salmonuri;
1243 $oprofile->created = common_sql_now();
1244 $oprofile->modified = common_sql_now();
1246 if ($object->type == ActivityObject::PERSON) {
1247 $profile = new Profile();
1248 $profile->created = common_sql_now();
1249 self::updateProfile($profile, $object, $hints);
1251 $oprofile->profile_id = $profile->insert();
1252 if (!$oprofile->profile_id) {
1253 // TRANS: Server exception.
1254 throw new ServerException(_m('Can\'t save local profile.'));
1257 $group = new User_group();
1258 $group->uri = $homeuri;
1259 $group->created = common_sql_now();
1260 self::updateGroup($group, $object, $hints);
1262 $oprofile->group_id = $group->insert();
1263 if (!$oprofile->group_id) {
1264 // TRANS: Server exception.
1265 throw new ServerException(_m('Can\'t save local profile.'));
1269 $ok = $oprofile->insert();
1272 // TRANS: Server exception.
1273 throw new ServerException(_m('Can\'t save OStatus profile.'));
1276 $avatar = self::getActivityObjectAvatar($object, $hints);
1280 $oprofile->updateAvatar($avatar);
1281 } catch (Exception $ex) {
1282 // Profile is saved, but Avatar is messed up. We're
1283 // just going to continue.
1284 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: ". $ex->getMessage());
1292 * Save any updated profile information to our local copy.
1293 * @param ActivityObject $object
1294 * @param array $hints
1296 public function updateFromActivityObject($object, $hints=array())
1298 if ($this->isGroup()) {
1299 $group = $this->localGroup();
1300 self::updateGroup($group, $object, $hints);
1302 $profile = $this->localProfile();
1303 self::updateProfile($profile, $object, $hints);
1305 $avatar = self::getActivityObjectAvatar($object, $hints);
1308 $this->updateAvatar($avatar);
1309 } catch (Exception $ex) {
1310 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: " . $ex->getMessage());
1315 public static function updateProfile($profile, $object, $hints=array())
1317 $orig = clone($profile);
1319 // Existing nickname is better than nothing.
1321 if (!array_key_exists('nickname', $hints)) {
1322 $hints['nickname'] = $profile->nickname;
1325 $nickname = self::getActivityObjectNickname($object, $hints);
1327 if (!empty($nickname)) {
1328 $profile->nickname = $nickname;
1331 if (!empty($object->title)) {
1332 $profile->fullname = $object->title;
1333 } else if (array_key_exists('fullname', $hints)) {
1334 $profile->fullname = $hints['fullname'];
1337 if (!empty($object->link)) {
1338 $profile->profileurl = $object->link;
1339 } else if (array_key_exists('profileurl', $hints)) {
1340 $profile->profileurl = $hints['profileurl'];
1341 } else if (Validate::uri($object->id, array('allowed_schemes' => array('http', 'https')))) {
1342 $profile->profileurl = $object->id;
1345 $bio = self::getActivityObjectBio($object, $hints);
1348 $profile->bio = $bio;
1351 $location = self::getActivityObjectLocation($object, $hints);
1353 if (!empty($location)) {
1354 $profile->location = $location;
1357 $homepage = self::getActivityObjectHomepage($object, $hints);
1359 if (!empty($homepage)) {
1360 $profile->homepage = $homepage;
1363 if (!empty($object->geopoint)) {
1364 $location = ActivityContext::locationFromPoint($object->geopoint);
1365 if (!empty($location)) {
1366 $profile->lat = $location->lat;
1367 $profile->lon = $location->lon;
1371 // @fixme tags/categories
1372 // @todo tags from categories
1375 common_log(LOG_DEBUG, "Updating OStatus profile $profile->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1376 $profile->update($orig);
1380 protected static function updateGroup($group, $object, $hints=array())
1382 $orig = clone($group);
1384 $group->nickname = self::getActivityObjectNickname($object, $hints);
1385 $group->fullname = $object->title;
1387 if (!empty($object->link)) {
1388 $group->mainpage = $object->link;
1389 } else if (array_key_exists('profileurl', $hints)) {
1390 $group->mainpage = $hints['profileurl'];
1393 // @todo tags from categories
1394 $group->description = self::getActivityObjectBio($object, $hints);
1395 $group->location = self::getActivityObjectLocation($object, $hints);
1396 $group->homepage = self::getActivityObjectHomepage($object, $hints);
1399 common_log(LOG_DEBUG, "Updating OStatus group $group->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1400 $group->update($orig);
1404 protected static function getActivityObjectHomepage($object, $hints=array())
1407 $poco = $object->poco;
1409 if (!empty($poco)) {
1410 $url = $poco->getPrimaryURL();
1411 if ($url && $url->type == 'homepage') {
1412 $homepage = $url->value;
1416 // @todo Try for a another PoCo URL?
1421 protected static function getActivityObjectLocation($object, $hints=array())
1425 if (!empty($object->poco) &&
1426 isset($object->poco->address->formatted)) {
1427 $location = $object->poco->address->formatted;
1428 } else if (array_key_exists('location', $hints)) {
1429 $location = $hints['location'];
1432 if (!empty($location)) {
1433 if (mb_strlen($location) > 255) {
1434 $location = mb_substr($note, 0, 255 - 3) . ' … ';
1438 // @todo Try to find location some othe way? Via goerss point?
1443 protected static function getActivityObjectBio($object, $hints=array())
1447 if (!empty($object->poco)) {
1448 $note = $object->poco->note;
1449 } else if (array_key_exists('bio', $hints)) {
1450 $note = $hints['bio'];
1453 if (!empty($note)) {
1454 if (Profile::bioTooLong($note)) {
1455 // XXX: truncate ok?
1456 $bio = mb_substr($note, 0, Profile::maxBio() - 3) . ' … ';
1462 // @todo Try to get bio info some other way?
1467 public static function getActivityObjectNickname($object, $hints=array())
1469 if ($object->poco) {
1470 if (!empty($object->poco->preferredUsername)) {
1471 return common_nicknamize($object->poco->preferredUsername);
1475 if (!empty($object->nickname)) {
1476 return common_nicknamize($object->nickname);
1479 if (array_key_exists('nickname', $hints)) {
1480 return $hints['nickname'];
1483 // Try the profile url (like foo.example.com or example.com/user/foo)
1484 if (!empty($object->link)) {
1485 $profileUrl = $object->link;
1486 } else if (!empty($hints['profileurl'])) {
1487 $profileUrl = $hints['profileurl'];
1490 if (!empty($profileUrl)) {
1491 $nickname = self::nicknameFromURI($profileUrl);
1494 // Try the URI (may be a tag:, http:, acct:, ...
1496 if (empty($nickname)) {
1497 $nickname = self::nicknameFromURI($object->id);
1500 // Try a Webfinger if one was passed (way) down
1502 if (empty($nickname)) {
1503 if (array_key_exists('webfinger', $hints)) {
1504 $nickname = self::nicknameFromURI($hints['webfinger']);
1510 if (empty($nickname)) {
1511 $nickname = common_nicknamize($object->title);
1517 protected static function nicknameFromURI($uri)
1519 if (preg_match('/(\w+):/', $uri, $matches)) {
1520 $protocol = $matches[1];
1525 switch ($protocol) {
1528 if (preg_match("/^$protocol:(.*)?@.*\$/", $uri, $matches)) {
1529 return common_canonical_nickname($matches[1]);
1533 return common_url_to_nickname($uri);
1541 * Look up, and if necessary create, an Ostatus_profile for the remote
1542 * entity with the given webfinger address.
1543 * This should never return null -- you will either get an object or
1544 * an exception will be thrown.
1546 * @param string $addr webfinger address
1547 * @return Ostatus_profile
1548 * @throws Exception on error conditions
1549 * @throws OStatusShadowException if this reference would obscure a local user/group
1551 public static function ensureWebfinger($addr)
1553 // First, try the cache
1555 $uri = self::cacheGet(sprintf('ostatus_profile:webfinger:%s', $addr));
1557 if ($uri !== false) {
1558 if (is_null($uri)) {
1559 // Negative cache entry
1560 // TRANS: Exception.
1561 throw new Exception(_m('Not a valid webfinger address.'));
1563 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1564 if (!empty($oprofile)) {
1569 // Try looking it up
1571 $oprofile = Ostatus_profile::staticGet('uri', 'acct:'.$addr);
1573 if (!empty($oprofile)) {
1574 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1578 // Now, try some discovery
1580 $disco = new Discovery();
1583 $xrd = $disco->lookup($addr);
1584 } catch (Exception $e) {
1585 // Save negative cache entry so we don't waste time looking it up again.
1586 // @fixme distinguish temporary failures?
1587 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), null);
1588 // TRANS: Exception.
1589 throw new Exception(_m('Not a valid webfinger address.'));
1592 $hints = array('webfinger' => $addr);
1594 $dhints = DiscoveryHints::fromXRD($xrd);
1596 $hints = array_merge($hints, $dhints);
1598 // If there's an Hcard, let's grab its info
1600 if (array_key_exists('hcard', $hints)) {
1601 if (!array_key_exists('profileurl', $hints) ||
1602 $hints['hcard'] != $hints['profileurl']) {
1603 $hcardHints = DiscoveryHints::fromHcardUrl($hints['hcard']);
1604 $hints = array_merge($hcardHints, $hints);
1608 // If we got a feed URL, try that
1610 if (array_key_exists('feedurl', $hints)) {
1612 common_log(LOG_INFO, "Discovery on acct:$addr with feed URL " . $hints['feedurl']);
1613 $oprofile = self::ensureFeedURL($hints['feedurl'], $hints);
1614 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1616 } catch (Exception $e) {
1617 common_log(LOG_WARNING, "Failed creating profile from feed URL '$feedUrl': " . $e->getMessage());
1622 // If we got a profile page, try that!
1624 if (array_key_exists('profileurl', $hints)) {
1626 common_log(LOG_INFO, "Discovery on acct:$addr with profile URL $profileUrl");
1627 $oprofile = self::ensureProfileURL($hints['profileurl'], $hints);
1628 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1630 } catch (OStatusShadowException $e) {
1631 // We've ended up with a remote reference to a local user or group.
1632 // @fixme ideally we should be able to say who it was so we can
1633 // go back and refer to it the regular way
1635 } catch (Exception $e) {
1636 common_log(LOG_WARNING, "Failed creating profile from profile URL '$profileUrl': " . $e->getMessage());
1639 // @fixme this means an error discovering from profile page
1640 // may give us a corrupt entry using the webfinger URI, which
1641 // will obscure the correct page-keyed profile later on.
1648 if (array_key_exists('salmon', $hints)) {
1650 $salmonEndpoint = $hints['salmon'];
1652 // An account URL, a salmon endpoint, and a dream? Not much to go
1653 // on, but let's give it a try
1655 $uri = 'acct:'.$addr;
1657 $profile = new Profile();
1659 $profile->nickname = self::nicknameFromUri($uri);
1660 $profile->created = common_sql_now();
1662 if (isset($profileUrl)) {
1663 $profile->profileurl = $profileUrl;
1666 $profile_id = $profile->insert();
1669 common_log_db_error($profile, 'INSERT', __FILE__);
1670 // TRANS: Exception. %s is a webfinger address.
1671 throw new Exception(sprintf(_m('Couldn\'t save profile for "%s".'),$addr));
1674 $oprofile = new Ostatus_profile();
1676 $oprofile->uri = $uri;
1677 $oprofile->salmonuri = $salmonEndpoint;
1678 $oprofile->profile_id = $profile_id;
1679 $oprofile->created = common_sql_now();
1681 if (isset($feedUrl)) {
1682 $profile->feeduri = $feedUrl;
1685 $result = $oprofile->insert();
1688 common_log_db_error($oprofile, 'INSERT', __FILE__);
1689 // TRANS: Exception. %s is a webfinger address.
1690 throw new Exception(sprintf(_m('Couldn\'t save ostatus_profile for "%s".'),$addr));
1693 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1697 // TRANS: Exception. %s is a webfinger address.
1698 throw new Exception(sprintf(_m('Couldn\'t find a valid profile for "%s".'),$addr));
1702 * Store the full-length scrubbed HTML of a remote notice to an attachment
1703 * file on our server. We'll link to this at the end of the cropped version.
1705 * @param string $title plaintext for HTML page's title
1706 * @param string $rendered HTML fragment for HTML page's body
1709 function saveHTMLFile($title, $rendered)
1711 $final = sprintf("<!DOCTYPE html>\n" .
1713 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">' .
1714 '<title>%s</title>' .
1716 '<body>%s</body></html>',
1717 htmlspecialchars($title),
1720 $filename = File::filename($this->localProfile(),
1721 'ostatus', // ignored?
1724 $filepath = File::path($filename);
1726 file_put_contents($filepath, $final);
1730 $file->filename = $filename;
1731 $file->url = File::url($filename);
1732 $file->size = filesize($filepath);
1733 $file->date = time();
1734 $file->mimetype = 'text/html';
1736 $file_id = $file->insert();
1738 if ($file_id === false) {
1739 common_log_db_error($file, "INSERT", __FILE__);
1740 // TRANS: Server exception.
1741 throw new ServerException(_m('Could not store HTML content of long post as file.'));
1747 static function ensureProfileURI($uri)
1751 // First, try to query it
1753 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1755 // If unfound, do discovery stuff
1757 if (empty($oprofile)) {
1758 if (preg_match("/^(\w+)\:(.*)/", $uri, $match)) {
1759 $protocol = $match[1];
1760 switch ($protocol) {
1763 $oprofile = Ostatus_profile::ensureProfileURL($uri);
1768 $oprofile = Ostatus_profile::ensureWebfinger($rest);
1771 throw new ServerException("Unrecognized URI protocol for profile: $protocol ($uri)");
1775 throw new ServerException("No URI protocol for profile: ($uri)");
1782 function checkAuthorship($activity)
1784 if ($this->isGroup()) {
1785 // A group feed will contain posts from multiple authors.
1786 // @fixme validate these profiles in some way!
1787 $oprofile = self::ensureActorProfile($activity);
1788 if ($oprofile->isGroup()) {
1789 // Groups can't post notices in StatusNet.
1790 common_log(LOG_WARNING,
1791 "OStatus: skipping post with group listed as author: ".
1792 "$oprofile->uri in feed from $this->uri");
1796 $actor = $activity->actor;
1798 if (empty($actor)) {
1799 // OK here! assume the default
1800 } else if ($actor->id == $this->uri || $actor->link == $this->uri) {
1801 $this->updateFromActivityObject($actor);
1802 } else if ($actor->id) {
1803 // We have an ActivityStreams actor with an explicit ID that doesn't match the feed owner.
1804 // This isn't what we expect from mainline OStatus person feeds!
1805 // Group feeds go down another path, with different validation...
1806 // Most likely this is a plain ol' blog feed of some kind which
1807 // doesn't match our expectations. We'll take the entry, but ignore
1808 // the <author> info.
1809 common_log(LOG_WARNING, "Got an actor '{$actor->title}' ({$actor->id}) on single-user feed for {$this->uri}");
1811 // Plain <author> without ActivityStreams actor info.
1812 // We'll just ignore this info for now and save the update under the feed's identity.
1823 * Exception indicating we've got a remote reference to a local user,
1824 * not a remote user!
1826 * If we can ue a local profile after all, it's available as $e->profile.
1828 class OStatusShadowException extends Exception
1833 * @param Profile $profile
1834 * @param string $message
1836 function __construct($profile, $message) {
1837 $this->profile = $profile;
1838 parent::__construct($message);