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>
28 class Ostatus_profile extends Memcached_DataObject
30 public $__table = 'ostatus_profile';
39 public $avatar; // remote URL of the last avatar we saved
44 public /*static*/ function staticGet($k, $v=null)
46 return parent::staticGet(__CLASS__, $k, $v);
50 * return table definition for DB_DataObject
52 * DB_DataObject needs to know something about the table to manipulate
53 * instances. This method provides all the DB_DataObject needs to know.
55 * @return array array of column definitions
59 return array('uri' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
60 'profile_id' => DB_DATAOBJECT_INT,
61 'group_id' => DB_DATAOBJECT_INT,
62 'feeduri' => DB_DATAOBJECT_STR,
63 'salmonuri' => DB_DATAOBJECT_STR,
64 'avatar' => DB_DATAOBJECT_STR,
65 'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL,
66 'modified' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
69 static function schemaDef()
71 return array(new ColumnDef('uri', 'varchar',
73 new ColumnDef('profile_id', 'integer',
75 new ColumnDef('group_id', 'integer',
77 new ColumnDef('feeduri', 'varchar',
79 new ColumnDef('salmonuri', 'text',
81 new ColumnDef('avatar', 'text',
83 new ColumnDef('created', 'datetime',
85 new ColumnDef('modified', 'datetime',
90 * return key definitions for DB_DataObject
92 * DB_DataObject needs to know about keys that the table has; this function
95 * @return array key definitions
99 return array_keys($this->keyTypes());
103 * return key definitions for Memcached_DataObject
105 * Our caching system uses the same key definitions, but uses a different
106 * method to get them.
108 * @return array key definitions
112 return array('uri' => 'K', 'profile_id' => 'U', 'group_id' => 'U', 'feeduri' => 'U');
115 function sequenceKey()
117 return array(false, false, false);
121 * Fetch the StatusNet-side profile for this feed
124 public function localProfile()
126 if ($this->profile_id) {
127 return Profile::staticGet('id', $this->profile_id);
133 * Fetch the StatusNet-side profile for this feed
136 public function localGroup()
138 if ($this->group_id) {
139 return User_group::staticGet('id', $this->group_id);
145 * Returns an ActivityObject describing this remote user or group profile.
146 * Can then be used to generate Atom chunks.
148 * @return ActivityObject
150 function asActivityObject()
152 if ($this->isGroup()) {
153 return ActivityObject::fromGroup($this->localGroup());
155 return ActivityObject::fromProfile($this->localProfile());
160 * Returns an XML string fragment with profile information as an
161 * Activity Streams noun object with the given element type.
163 * Assumes that 'activity' namespace has been previously defined.
165 * @fixme replace with wrappers on asActivityObject when it's got everything.
167 * @param string $element one of 'actor', 'subject', 'object', 'target'
170 function asActivityNoun($element)
172 if ($this->isGroup()) {
173 $noun = ActivityObject::fromGroup($this->localGroup());
174 return $noun->asString('activity:' . $element);
176 $noun = ActivityObject::fromProfile($this->localProfile());
177 return $noun->asString('activity:' . $element);
182 * @return boolean true if this is a remote group
186 if ($this->profile_id && !$this->group_id) {
188 } else if ($this->group_id && !$this->profile_id) {
190 } else if ($this->group_id && $this->profile_id) {
191 // TRANS: Server exception. %s is a URI.
192 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: both group and profile IDs set for %s.'),$this->uri));
194 // TRANS: Server exception. %s is a URI.
195 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: both group and profile IDs empty for %s.'),$this->uri));
200 * Send a subscription request to the hub for this feed.
201 * The hub will later send us a confirmation POST to /main/push/callback.
203 * @return bool true on success, false on failure
204 * @throws ServerException if feed state is not valid
206 public function subscribe()
208 $feedsub = FeedSub::ensureFeed($this->feeduri);
209 if ($feedsub->sub_state == 'active') {
210 // Active subscription, we don't need to do anything.
213 // Inactive or we got left in an inconsistent state.
214 // Run a subscription request to make sure we're current!
215 return $feedsub->subscribe();
220 * Check if this remote profile has any active local subscriptions, and
221 * if not drop the PuSH subscription feed.
223 * @return bool true on success, false on failure
225 public function unsubscribe() {
226 $this->garbageCollect();
230 * Check if this remote profile has any active local subscriptions, and
231 * if not drop the PuSH subscription feed.
235 public function garbageCollect()
237 $feedsub = FeedSub::staticGet('uri', $this->feeduri);
238 return $feedsub->garbageCollect();
242 * Check if this remote profile has any active local subscriptions, so the
243 * PuSH subscription layer can decide if it can drop the feed.
245 * This gets called via the FeedSubSubscriberCount event when running
246 * FeedSub::garbageCollect().
250 public function subscriberCount()
252 if ($this->isGroup()) {
253 $members = $this->localGroup()->getMembers(0, 1);
254 $count = $members->N;
256 $count = $this->localProfile()->subscriberCount();
258 common_log(LOG_INFO, __METHOD__ . " SUB COUNT BEFORE: $count");
260 // Other plugins may be piggybacking on OStatus without having
261 // an active group or user-to-user subscription we know about.
262 Event::handle('Ostatus_profileSubscriberCount', array($this, &$count));
263 common_log(LOG_INFO, __METHOD__ . " SUB COUNT AFTER: $count");
269 * Send an Activity Streams notification to the remote Salmon endpoint,
272 * @param Profile $actor Actor who did the activity
273 * @param string $verb Activity::SUBSCRIBE or Activity::JOIN
274 * @param Object $object object of the action; must define asActivityNoun($tag)
276 public function notify($actor, $verb, $object=null)
278 if (!($actor instanceof Profile)) {
279 $type = gettype($actor);
280 if ($type == 'object') {
281 $type = get_class($actor);
283 // TRANS: Server exception.
284 // TRANS: %1$s is the method name the exception occured in, %2$s is the actor type.
285 throw new ServerException(sprintf(_m('Invalid actor passed to %1$s: %2$s.'),__METHOD__,$type));
287 if ($object == null) {
290 if ($this->salmonuri) {
293 $id = TagURI::mint('%s:%s:%s',
296 common_date_iso8601(time()));
298 // @fixme consolidate all these NS settings somewhere
299 $attributes = array('xmlns' => Activity::ATOM,
300 'xmlns:activity' => 'http://activitystrea.ms/spec/1.0/',
301 'xmlns:thr' => 'http://purl.org/syndication/thread/1.0',
302 'xmlns:georss' => 'http://www.georss.org/georss',
303 'xmlns:ostatus' => 'http://ostatus.org/schema/1.0',
304 'xmlns:poco' => 'http://portablecontacts.net/spec/1.0',
305 'xmlns:media' => 'http://purl.org/syndication/atommedia');
307 $entry = new XMLStringer();
308 $entry->elementStart('entry', $attributes);
309 $entry->element('id', null, $id);
310 $entry->element('title', null, $text);
311 $entry->element('summary', null, $text);
312 $entry->element('published', null, common_date_w3dtf(common_sql_now()));
314 $entry->element('activity:verb', null, $verb);
315 $entry->raw($actor->asAtomAuthor());
316 $entry->raw($actor->asActivityActor());
317 $entry->raw($object->asActivityNoun('object'));
318 $entry->elementEnd('entry');
320 $xml = $entry->getString();
321 common_log(LOG_INFO, "Posting to Salmon endpoint $this->salmonuri: $xml");
323 $salmon = new Salmon(); // ?
324 return $salmon->post($this->salmonuri, $xml, $actor);
330 * Send a Salmon notification ping immediately, and confirm that we got
331 * an acceptable response from the remote site.
333 * @param mixed $entry XML string, Notice, or Activity
334 * @param Profile $actor
335 * @return boolean success
337 public function notifyActivity($entry, $actor)
339 if ($this->salmonuri) {
340 $salmon = new Salmon();
341 return $salmon->post($this->salmonuri, $this->notifyPrepXml($entry), $actor);
348 * Queue a Salmon notification for later. If queues are disabled we'll
349 * send immediately but won't get the return value.
351 * @param mixed $entry XML string, Notice, or Activity
352 * @return boolean success
354 public function notifyDeferred($entry, $actor)
356 if ($this->salmonuri) {
357 $data = array('salmonuri' => $this->salmonuri,
358 'entry' => $this->notifyPrepXml($entry),
359 'actor' => $actor->id);
361 $qm = QueueManager::get();
362 return $qm->enqueue($data, 'salmon');
368 protected function notifyPrepXml($entry)
370 $preamble = '<?xml version="1.0" encoding="UTF-8" ?' . '>';
371 if (is_string($entry)) {
373 } else if ($entry instanceof Activity) {
374 return $preamble . $entry->asString(true);
375 } else if ($entry instanceof Notice) {
376 return $preamble . $entry->asAtomEntry(true, true);
378 // TRANS: Server exception.
379 throw new ServerException(_m('Invalid type passed to Ostatus_profile::notify. It must be XML string or Activity entry.'));
383 function getBestName()
385 if ($this->isGroup()) {
386 return $this->localGroup()->getBestName();
388 return $this->localProfile()->getBestName();
393 * Read and post notices for updates from the feed.
394 * Currently assumes that all items in the feed are new,
395 * coming from a PuSH hub.
397 * @param DOMDocument $doc
398 * @param string $source identifier ("push")
400 public function processFeed(DOMDocument $doc, $source)
402 $feed = $doc->documentElement;
404 if ($feed->localName == 'feed' && $feed->namespaceURI == Activity::ATOM) {
405 $this->processAtomFeed($feed, $source);
406 } else if ($feed->localName == 'rss') { // @fixme check namespace
407 $this->processRssFeed($feed, $source);
410 throw new Exception(_m('Unknown feed format.'));
414 public function processAtomFeed(DOMElement $feed, $source)
416 $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
417 if ($entries->length == 0) {
418 common_log(LOG_ERR, __METHOD__ . ": no entries in feed update, ignoring");
422 for ($i = 0; $i < $entries->length; $i++) {
423 $entry = $entries->item($i);
424 $this->processEntry($entry, $feed, $source);
428 public function processRssFeed(DOMElement $rss, $source)
430 $channels = $rss->getElementsByTagName('channel');
432 if ($channels->length == 0) {
434 throw new Exception(_m('RSS feed without a channel.'));
435 } else if ($channels->length > 1) {
436 common_log(LOG_WARNING, __METHOD__ . ": more than one channel in an RSS feed");
439 $channel = $channels->item(0);
441 $items = $channel->getElementsByTagName('item');
443 for ($i = 0; $i < $items->length; $i++) {
444 $item = $items->item($i);
445 $this->processEntry($item, $channel, $source);
450 * Process a posted entry from this feed source.
452 * @param DOMElement $entry
453 * @param DOMElement $feed for context
454 * @param string $source identifier ("push" or "salmon")
457 public function processEntry($entry, $feed, $source)
459 $activity = new Activity($entry, $feed);
461 if (Event::handle('StartHandleFeedEntryWithProfile', array($activity, $this)) &&
462 Event::handle('StartHandleFeedEntry', array($activity))) {
464 // @todo process all activity objects
465 switch ($activity->objects[0]->type) {
466 case ActivityObject::ARTICLE:
467 case ActivityObject::BLOGENTRY:
468 case ActivityObject::NOTE:
469 case ActivityObject::STATUS:
470 case ActivityObject::COMMENT:
472 if ($activity->verb == ActivityVerb::POST) {
473 $this->processPost($activity, $source);
475 common_log(LOG_INFO, "Ignoring activity with unrecognized verb $activity->verb");
479 // TRANS: Client exception.
480 throw new ClientException(_m('Can\'t handle that kind of post.'));
483 Event::handle('EndHandleFeedEntry', array($activity));
484 Event::handle('EndHandleFeedEntryWithProfile', array($activity, $this));
489 * Process an incoming post activity from this remote feed.
490 * @param Activity $activity
491 * @param string $method 'push' or 'salmon'
492 * @return mixed saved Notice or false
493 * @fixme break up this function, it's getting nasty long
495 public function processPost($activity, $method)
497 $oprofile = $this->checkAuthorship($activity);
499 if (empty($oprofile)) {
503 // It's not always an ActivityObject::NOTE, but... let's just say it is.
505 $note = $activity->objects[0];
507 // The id URI will be used as a unique identifier for for the notice,
508 // protecting against duplicate saves. It isn't required to be a URL;
509 // tag: URIs for instance are found in Google Buzz feeds.
510 $sourceUri = $note->id;
511 $dupe = Notice::staticGet('uri', $sourceUri);
513 common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
517 // We'll also want to save a web link to the original notice, if provided.
520 $sourceUrl = $note->link;
521 } else if ($activity->link) {
522 $sourceUrl = $activity->link;
523 } else if (preg_match('!^https?://!', $note->id)) {
524 $sourceUrl = $note->id;
527 // Use summary as fallback for content
529 if (!empty($note->content)) {
530 $sourceContent = $note->content;
531 } else if (!empty($note->summary)) {
532 $sourceContent = $note->summary;
533 } else if (!empty($note->title)) {
534 $sourceContent = $note->title;
536 // @fixme fetch from $sourceUrl?
537 // TRANS: Client exception. %s is a source URI.
538 throw new ClientException(sprintf(_m('No content for notice %s.'),$sourceUri));
541 // Get (safe!) HTML and text versions of the content
543 $rendered = $this->purify($sourceContent);
544 $content = html_entity_decode(strip_tags($rendered), ENT_QUOTES, 'UTF-8');
546 $shortened = common_shorten_links($content);
548 // If it's too long, try using the summary, and make the
549 // HTML an attachment.
553 if (Notice::contentTooLong($shortened)) {
554 $attachment = $this->saveHTMLFile($note->title, $rendered);
555 $summary = html_entity_decode(strip_tags($note->summary), ENT_QUOTES, 'UTF-8');
556 if (empty($summary)) {
559 $shortSummary = common_shorten_links($summary);
560 if (Notice::contentTooLong($shortSummary)) {
561 $url = common_shorten_url($sourceUrl);
562 $shortSummary = substr($shortSummary,
564 Notice::maxContent() - (mb_strlen($url) + 2));
565 $content = $shortSummary . ' ' . $url;
567 // We mark up the attachment link specially for the HTML output
568 // so we can fold-out the full version inline.
570 // @fixme I18N this tooltip will be saved with the site's default language
571 // TRANS: Shown when a notice is longer than supported and/or when attachments are present. At runtime
572 // TRANS: this will usually be replaced with localised text from StatusNet core messages.
573 $showMoreText = _m('Show more');
574 $attachUrl = common_local_url('attachment',
575 array('attachment' => $attachment->id));
576 $rendered = common_render_text($shortSummary) .
577 '<a href="' . htmlspecialchars($attachUrl) .'"'.
578 ' class="attachment more"' .
579 ' title="'. htmlspecialchars($showMoreText) . '">' .
585 $options = array('is_local' => Notice::REMOTE_OMB,
588 'rendered' => $rendered,
589 'replies' => array(),
594 // Check for optional attributes...
596 if (!empty($activity->time)) {
597 $options['created'] = common_sql_date($activity->time);
600 if ($activity->context) {
601 // Any individual or group attn: targets?
602 $replies = $activity->context->attention;
603 $options['groups'] = $this->filterReplies($oprofile, $replies);
604 $options['replies'] = $replies;
606 // Maintain direct reply associations
607 // @fixme what about conversation ID?
608 if (!empty($activity->context->replyToID)) {
609 $orig = Notice::staticGet('uri',
610 $activity->context->replyToID);
612 $options['reply_to'] = $orig->id;
616 $location = $activity->context->location;
618 $options['lat'] = $location->lat;
619 $options['lon'] = $location->lon;
620 if ($location->location_id) {
621 $options['location_ns'] = $location->location_ns;
622 $options['location_id'] = $location->location_id;
627 // Atom categories <-> hashtags
628 foreach ($activity->categories as $cat) {
630 $term = common_canonical_tag($cat->term);
632 $options['tags'][] = $term;
637 // Atom enclosures -> attachment URLs
638 foreach ($activity->enclosures as $href) {
639 // @fixme save these locally or....?
640 $options['urls'][] = $href;
644 $saved = Notice::saveNew($oprofile->profile_id,
649 Ostatus_source::saveNew($saved, $this, $method);
650 if (!empty($attachment)) {
651 File_to_post::processNew($attachment->id, $saved->id);
654 } catch (Exception $e) {
655 common_log(LOG_ERR, "OStatus save of remote message $sourceUri failed: " . $e->getMessage());
658 common_log(LOG_INFO, "OStatus saved remote message $sourceUri as notice id $saved->id");
665 protected function purify($html)
667 require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
668 $config = array('safe' => 1,
669 'deny_attribute' => 'id,style,on*');
670 return htmLawed($html, $config);
674 * Filters a list of recipient ID URIs to just those for local delivery.
675 * @param Ostatus_profile local profile of sender
676 * @param array in/out &$attention_uris set of URIs, will be pruned on output
677 * @return array of group IDs
679 protected function filterReplies($sender, &$attention_uris)
681 common_log(LOG_DEBUG, "Original reply recipients: " . implode(', ', $attention_uris));
684 foreach (array_unique($attention_uris) as $recipient) {
685 // Is the recipient a local user?
686 $user = User::staticGet('uri', $recipient);
688 // @fixme sender verification, spam etc?
689 $replies[] = $recipient;
693 // Is the recipient a local group?
694 // $group = User_group::staticGet('uri', $recipient);
695 $id = OStatusPlugin::localGroupFromUrl($recipient);
697 $group = User_group::staticGet('id', $id);
699 // Deliver to all members of this local group if allowed.
700 $profile = $sender->localProfile();
701 if ($profile->isMember($group)) {
702 $groups[] = $group->id;
704 common_log(LOG_DEBUG, "Skipping reply to local group $group->nickname as sender $profile->id is not a member");
708 common_log(LOG_DEBUG, "Skipping reply to bogus group $recipient");
712 // Is the recipient a remote user or group?
714 $oprofile = Ostatus_profile::ensureProfileURI($recipient);
715 if ($oprofile->isGroup()) {
716 // Deliver to local members of this remote group.
717 // @fixme sender verification?
718 $groups[] = $oprofile->group_id;
720 // may be canonicalized or something
721 $replies[] = $oprofile->uri;
724 } catch (Exception $e) {
725 // Neither a recognizable local nor remote user!
726 common_log(LOG_DEBUG, "Skipping reply to unrecognized profile $recipient: " . $e->getMessage());
730 $attention_uris = $replies;
731 common_log(LOG_DEBUG, "Local reply recipients: " . implode(', ', $replies));
732 common_log(LOG_DEBUG, "Local group recipients: " . implode(', ', $groups));
737 * Look up and if necessary create an Ostatus_profile for the remote entity
738 * with the given profile page URL. This should never return null -- you
739 * will either get an object or an exception will be thrown.
741 * @param string $profile_url
742 * @return Ostatus_profile
743 * @throws Exception on various error conditions
744 * @throws OStatusShadowException if this reference would obscure a local user/group
747 public static function ensureProfileURL($profile_url, $hints=array())
749 $oprofile = self::getFromProfileURL($profile_url);
751 if (!empty($oprofile)) {
755 $hints['profileurl'] = $profile_url;
760 $client = new HTTPClient();
761 $client->setHeader('Accept', 'text/html,application/xhtml+xml');
762 $response = $client->get($profile_url);
764 if (!$response->isOk()) {
765 // TRANS: Exception. %s is a profile URL.
766 throw new Exception(sprintf(_m('Could not reach profile page %s.'),$profile_url));
769 // Check if we have a non-canonical URL
771 $finalUrl = $response->getUrl();
773 if ($finalUrl != $profile_url) {
775 $hints['profileurl'] = $finalUrl;
777 $oprofile = self::getFromProfileURL($finalUrl);
779 if (!empty($oprofile)) {
784 // Try to get some hCard data
786 $body = $response->getBody();
788 $hcardHints = DiscoveryHints::hcardHints($body, $finalUrl);
790 if (!empty($hcardHints)) {
791 $hints = array_merge($hints, $hcardHints);
794 // Check if they've got an LRDD header
796 $lrdd = LinkHeader::getLink($response, 'lrdd', 'application/xrd+xml');
800 $xrd = Discovery::fetchXrd($lrdd);
801 $xrdHints = DiscoveryHints::fromXRD($xrd);
803 $hints = array_merge($hints, $xrdHints);
806 // If discovery found a feedurl (probably from LRDD), use it.
808 if (array_key_exists('feedurl', $hints)) {
809 return self::ensureFeedURL($hints['feedurl'], $hints);
812 // Get the feed URL from HTML
814 $discover = new FeedDiscovery();
816 $feedurl = $discover->discoverFromHTML($finalUrl, $body);
818 if (!empty($feedurl)) {
819 $hints['feedurl'] = $feedurl;
820 return self::ensureFeedURL($feedurl, $hints);
823 // TRANS: Exception. %s is a URL.
824 throw new Exception(sprintf(_m('Could not find a feed URL for profile page %s.'),$finalUrl));
828 * Look up the Ostatus_profile, if present, for a remote entity with the
829 * given profile page URL. Will return null for both unknown and invalid
832 * @return mixed Ostatus_profile or null
833 * @throws OStatusShadowException for local profiles
835 static function getFromProfileURL($profile_url)
837 $profile = Profile::staticGet('profileurl', $profile_url);
839 if (empty($profile)) {
843 // Is it a known Ostatus profile?
845 $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
847 if (!empty($oprofile)) {
851 // Is it a local user?
853 $user = User::staticGet('id', $profile->id);
856 // @todo i18n FIXME: use sprintf and add i18n (?)
857 throw new OStatusShadowException($profile, "'$profile_url' is the profile for local user '{$user->nickname}'.");
860 // Continue discovery; it's a remote profile
861 // for OMB or some other protocol, may also
868 * Look up and if necessary create an Ostatus_profile for remote entity
869 * with the given update feed. This should never return null -- you will
870 * either get an object or an exception will be thrown.
872 * @return Ostatus_profile
875 public static function ensureFeedURL($feed_url, $hints=array())
877 $discover = new FeedDiscovery();
879 $feeduri = $discover->discoverFromFeedURL($feed_url);
880 $hints['feedurl'] = $feeduri;
882 $huburi = $discover->getHubLink();
883 $hints['hub'] = $huburi;
884 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
885 $hints['salmon'] = $salmonuri;
887 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
888 // We can only deal with folks with a PuSH hub
889 throw new FeedSubNoHubException();
892 $feedEl = $discover->root;
894 if ($feedEl->tagName == 'feed') {
895 return self::ensureAtomFeed($feedEl, $hints);
896 } else if ($feedEl->tagName == 'channel') {
897 return self::ensureRssChannel($feedEl, $hints);
899 throw new FeedSubBadXmlException($feeduri);
904 * Look up and, if necessary, create an Ostatus_profile for the remote
905 * profile with the given Atom feed - actually loaded from the feed.
906 * This should never return null -- you will either get an object or
907 * an exception will be thrown.
909 * @param DOMElement $feedEl root element of a loaded Atom feed
910 * @param array $hints additional discovery information passed from higher levels
911 * @fixme should this be marked public?
912 * @return Ostatus_profile
916 public static function ensureAtomFeed($feedEl, $hints)
918 $author = ActivityUtils::getFeedAuthor($feedEl);
920 if (empty($author)) {
921 // XXX: make some educated guesses here
922 // TRANS: Feed sub exception.
923 throw new FeedSubException(_m('Can\'t find enough profile '.
924 'information to make a feed.'));
927 return self::ensureActivityObjectProfile($author, $hints);
931 * Look up and, if necessary, create an Ostatus_profile for the remote
932 * profile with the given RSS feed - actually loaded from the feed.
933 * This should never return null -- you will either get an object or
934 * an exception will be thrown.
936 * @param DOMElement $feedEl root element of a loaded RSS feed
937 * @param array $hints additional discovery information passed from higher levels
938 * @fixme should this be marked public?
939 * @return Ostatus_profile
942 public static function ensureRssChannel($feedEl, $hints)
944 // Special-case for Posterous. They have some nice metadata in their
945 // posterous:author elements. We should use them instead of the channel.
947 $items = $feedEl->getElementsByTagName('item');
949 if ($items->length > 0) {
950 $item = $items->item(0);
951 $authorEl = ActivityUtils::child($item, ActivityObject::AUTHOR, ActivityObject::POSTEROUS);
952 if (!empty($authorEl)) {
953 $obj = ActivityObject::fromPosterousAuthor($authorEl);
954 // Posterous has multiple authors per feed, and multiple feeds
955 // per author. We check if this is the "main" feed for this author.
956 if (array_key_exists('profileurl', $hints) &&
957 !empty($obj->poco) &&
958 common_url_to_nickname($hints['profileurl']) == $obj->poco->preferredUsername) {
959 return self::ensureActivityObjectProfile($obj, $hints);
964 // @fixme we should check whether this feed has elements
965 // with different <author> or <dc:creator> elements, and... I dunno.
966 // Do something about that.
968 $obj = ActivityObject::fromRssChannel($feedEl);
970 return self::ensureActivityObjectProfile($obj, $hints);
974 * Download and update given avatar image
977 * @throws Exception in various failure cases
979 protected function updateAvatar($url)
981 if ($url == $this->avatar) {
982 // We've already got this one.
985 if (!common_valid_http_url($url)) {
986 // TRANS: Server exception. %s is a URL.
987 throw new ServerException(sprintf(_m("Invalid avatar URL %s."), $url));
990 if ($this->isGroup()) {
991 $self = $this->localGroup();
993 $self = $this->localProfile();
996 throw new ServerException(sprintf(
997 // TRANS: Server exception. %s is a URI.
998 _m("Tried to update avatar for unsaved remote profile %s."),
1002 // @fixme this should be better encapsulated
1003 // ripped from oauthstore.php (for old OMB client)
1004 $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
1006 if (!copy($url, $temp_filename)) {
1007 // TRANS: Server exception. %s is a URL.
1008 throw new ServerException(sprintf(_m("Unable to fetch avatar from %s."), $url));
1011 if ($this->isGroup()) {
1012 $id = $this->group_id;
1014 $id = $this->profile_id;
1016 // @fixme should we be using different ids?
1017 $imagefile = new ImageFile($id, $temp_filename);
1018 $filename = Avatar::filename($id,
1019 image_type_to_extension($imagefile->type),
1021 common_timestamp());
1022 rename($temp_filename, Avatar::path($filename));
1023 } catch (Exception $e) {
1024 unlink($temp_filename);
1027 // @fixme hardcoded chmod is lame, but seems to be necessary to
1028 // keep from accidentally saving images from command-line (queues)
1029 // that can't be read from web server, which causes hard-to-notice
1030 // problems later on:
1032 // http://status.net/open-source/issues/2663
1033 chmod(Avatar::path($filename), 0644);
1035 $self->setOriginal($filename);
1037 $orig = clone($this);
1038 $this->avatar = $url;
1039 $this->update($orig);
1043 * Pull avatar URL from ActivityObject or profile hints
1045 * @param ActivityObject $object
1046 * @param array $hints
1047 * @return mixed URL string or false
1050 public static function getActivityObjectAvatar($object, $hints=array())
1052 if ($object->avatarLinks) {
1054 // Take the exact-size avatar, or the largest avatar, or the first avatar if all sizeless
1055 foreach ($object->avatarLinks as $avatar) {
1056 if ($avatar->width == AVATAR_PROFILE_SIZE && $avatar->height = AVATAR_PROFILE_SIZE) {
1061 if (!$best || $avatar->width > $best->width) {
1066 } else if (array_key_exists('avatar', $hints)) {
1067 return $hints['avatar'];
1073 * Get an appropriate avatar image source URL, if available.
1075 * @param ActivityObject $actor
1076 * @param DOMElement $feed
1080 protected static function getAvatar($actor, $feed)
1084 if ($actor->avatar) {
1085 $url = trim($actor->avatar);
1088 // Check <atom:logo> and <atom:icon> on the feed
1089 $els = $feed->childNodes();
1090 if ($els && $els->length) {
1091 for ($i = 0; $i < $els->length; $i++) {
1092 $el = $els->item($i);
1093 if ($el->namespaceURI == Activity::ATOM) {
1094 if (empty($url) && $el->localName == 'logo') {
1095 $url = trim($el->textContent);
1098 if (empty($icon) && $el->localName == 'icon') {
1099 // Use as a fallback
1100 $icon = trim($el->textContent);
1105 if ($icon && !$url) {
1110 $opts = array('allowed_schemes' => array('http', 'https'));
1111 if (Validate::uri($url, $opts)) {
1115 return common_path('plugins/OStatus/images/96px-Feed-icon.svg.png');
1119 * Fetch, or build if necessary, an Ostatus_profile for the actor
1120 * in a given Activity Streams activity.
1121 * This should never return null -- you will either get an object or
1122 * an exception will be thrown.
1124 * @param Activity $activity
1125 * @param string $feeduri if we already know the canonical feed URI!
1126 * @param string $salmonuri if we already know the salmon return channel URI
1127 * @return Ostatus_profile
1131 public static function ensureActorProfile($activity, $hints=array())
1133 return self::ensureActivityObjectProfile($activity->actor, $hints);
1137 * Fetch, or build if necessary, an Ostatus_profile for the profile
1138 * in a given Activity Streams object (can be subject, actor, or object).
1139 * This should never return null -- you will either get an object or
1140 * an exception will be thrown.
1142 * @param ActivityObject $object
1143 * @param array $hints additional discovery information passed from higher levels
1144 * @return Ostatus_profile
1148 public static function ensureActivityObjectProfile($object, $hints=array())
1150 $profile = self::getActivityObjectProfile($object);
1152 $profile->updateFromActivityObject($object, $hints);
1154 $profile = self::createActivityObjectProfile($object, $hints);
1160 * @param Activity $activity
1161 * @return mixed matching Ostatus_profile or false if none known
1162 * @throws ServerException if feed info invalid
1164 public static function getActorProfile($activity)
1166 return self::getActivityObjectProfile($activity->actor);
1170 * @param ActivityObject $activity
1171 * @return mixed matching Ostatus_profile or false if none known
1172 * @throws ServerException if feed info invalid
1174 protected static function getActivityObjectProfile($object)
1176 $uri = self::getActivityObjectProfileURI($object);
1177 return Ostatus_profile::staticGet('uri', $uri);
1181 * Get the identifier URI for the remote entity described
1182 * by this ActivityObject. This URI is *not* guaranteed to be
1183 * a resolvable HTTP/HTTPS URL.
1185 * @param ActivityObject $object
1187 * @throws ServerException if feed info invalid
1189 protected static function getActivityObjectProfileURI($object)
1192 if (ActivityUtils::validateUri($object->id)) {
1197 // If the id is missing or invalid (we've seen feeds mistakenly listing
1198 // things like local usernames in that field) then we'll use the profile
1199 // page link, if valid.
1200 if ($object->link && common_valid_http_url($object->link)) {
1201 return $object->link;
1203 throw new ServerException("No author ID URI found.");
1207 * @fixme validate stuff somewhere
1211 * Create local ostatus_profile and profile/user_group entries for
1212 * the provided remote user or group.
1213 * This should never return null -- you will either get an object or
1214 * an exception will be thrown.
1216 * @param ActivityObject $object
1217 * @param array $hints
1219 * @return Ostatus_profile
1221 protected static function createActivityObjectProfile($object, $hints=array())
1223 $homeuri = $object->id;
1227 common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
1228 throw new Exception("No profile URI");
1231 $user = User::staticGet('uri', $homeuri);
1233 // TRANS: Exception.
1234 throw new Exception(_m('Local user can\'t be referenced as remote.'));
1237 if (OStatusPlugin::localGroupFromUrl($homeuri)) {
1238 // TRANS: Exception.
1239 throw new Exception(_m('Local group can\'t be referenced as remote.'));
1242 if (array_key_exists('feedurl', $hints)) {
1243 $feeduri = $hints['feedurl'];
1245 $discover = new FeedDiscovery();
1246 $feeduri = $discover->discoverFromURL($homeuri);
1249 if (array_key_exists('salmon', $hints)) {
1250 $salmonuri = $hints['salmon'];
1253 $discover = new FeedDiscovery();
1254 $discover->discoverFromFeedURL($hints['feedurl']);
1256 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
1259 if (array_key_exists('hub', $hints)) {
1260 $huburi = $hints['hub'];
1263 $discover = new FeedDiscovery();
1264 $discover->discoverFromFeedURL($hints['feedurl']);
1266 $huburi = $discover->getHubLink();
1269 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
1270 // We can only deal with folks with a PuSH hub
1271 throw new FeedSubNoHubException();
1274 $oprofile = new Ostatus_profile();
1276 $oprofile->uri = $homeuri;
1277 $oprofile->feeduri = $feeduri;
1278 $oprofile->salmonuri = $salmonuri;
1280 $oprofile->created = common_sql_now();
1281 $oprofile->modified = common_sql_now();
1283 if ($object->type == ActivityObject::PERSON) {
1284 $profile = new Profile();
1285 $profile->created = common_sql_now();
1286 self::updateProfile($profile, $object, $hints);
1288 $oprofile->profile_id = $profile->insert();
1289 if (!$oprofile->profile_id) {
1290 // TRANS: Server exception.
1291 throw new ServerException(_m('Can\'t save local profile.'));
1294 $group = new User_group();
1295 $group->uri = $homeuri;
1296 $group->created = common_sql_now();
1297 self::updateGroup($group, $object, $hints);
1299 $oprofile->group_id = $group->insert();
1300 if (!$oprofile->group_id) {
1301 // TRANS: Server exception.
1302 throw new ServerException(_m('Can\'t save local profile.'));
1306 $ok = $oprofile->insert();
1309 // TRANS: Server exception.
1310 throw new ServerException(_m('Can\'t save OStatus profile.'));
1313 $avatar = self::getActivityObjectAvatar($object, $hints);
1317 $oprofile->updateAvatar($avatar);
1318 } catch (Exception $ex) {
1319 // Profile is saved, but Avatar is messed up. We're
1320 // just going to continue.
1321 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: ". $ex->getMessage());
1329 * Save any updated profile information to our local copy.
1330 * @param ActivityObject $object
1331 * @param array $hints
1333 public function updateFromActivityObject($object, $hints=array())
1335 if ($this->isGroup()) {
1336 $group = $this->localGroup();
1337 self::updateGroup($group, $object, $hints);
1339 $profile = $this->localProfile();
1340 self::updateProfile($profile, $object, $hints);
1342 $avatar = self::getActivityObjectAvatar($object, $hints);
1345 $this->updateAvatar($avatar);
1346 } catch (Exception $ex) {
1347 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: " . $ex->getMessage());
1352 public static function updateProfile($profile, $object, $hints=array())
1354 $orig = clone($profile);
1356 $profile->nickname = self::getActivityObjectNickname($object, $hints);
1358 if (!empty($object->title)) {
1359 $profile->fullname = $object->title;
1360 } else if (array_key_exists('fullname', $hints)) {
1361 $profile->fullname = $hints['fullname'];
1364 if (!empty($object->link)) {
1365 $profile->profileurl = $object->link;
1366 } else if (array_key_exists('profileurl', $hints)) {
1367 $profile->profileurl = $hints['profileurl'];
1368 } else if (Validate::uri($object->id, array('allowed_schemes' => array('http', 'https')))) {
1369 $profile->profileurl = $object->id;
1372 $profile->bio = self::getActivityObjectBio($object, $hints);
1373 $profile->location = self::getActivityObjectLocation($object, $hints);
1374 $profile->homepage = self::getActivityObjectHomepage($object, $hints);
1376 if (!empty($object->geopoint)) {
1377 $location = ActivityContext::locationFromPoint($object->geopoint);
1378 if (!empty($location)) {
1379 $profile->lat = $location->lat;
1380 $profile->lon = $location->lon;
1384 // @fixme tags/categories
1385 // @todo tags from categories
1388 common_log(LOG_DEBUG, "Updating OStatus profile $profile->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1389 $profile->update($orig);
1393 protected static function updateGroup($group, $object, $hints=array())
1395 $orig = clone($group);
1397 $group->nickname = self::getActivityObjectNickname($object, $hints);
1398 $group->fullname = $object->title;
1400 if (!empty($object->link)) {
1401 $group->mainpage = $object->link;
1402 } else if (array_key_exists('profileurl', $hints)) {
1403 $group->mainpage = $hints['profileurl'];
1406 // @todo tags from categories
1407 $group->description = self::getActivityObjectBio($object, $hints);
1408 $group->location = self::getActivityObjectLocation($object, $hints);
1409 $group->homepage = self::getActivityObjectHomepage($object, $hints);
1412 common_log(LOG_DEBUG, "Updating OStatus group $group->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1413 $group->update($orig);
1417 protected static function getActivityObjectHomepage($object, $hints=array())
1420 $poco = $object->poco;
1422 if (!empty($poco)) {
1423 $url = $poco->getPrimaryURL();
1424 if ($url && $url->type == 'homepage') {
1425 $homepage = $url->value;
1429 // @todo Try for a another PoCo URL?
1434 protected static function getActivityObjectLocation($object, $hints=array())
1438 if (!empty($object->poco) &&
1439 isset($object->poco->address->formatted)) {
1440 $location = $object->poco->address->formatted;
1441 } else if (array_key_exists('location', $hints)) {
1442 $location = $hints['location'];
1445 if (!empty($location)) {
1446 if (mb_strlen($location) > 255) {
1447 $location = mb_substr($note, 0, 255 - 3) . ' … ';
1451 // @todo Try to find location some othe way? Via goerss point?
1456 protected static function getActivityObjectBio($object, $hints=array())
1460 if (!empty($object->poco)) {
1461 $note = $object->poco->note;
1462 } else if (array_key_exists('bio', $hints)) {
1463 $note = $hints['bio'];
1466 if (!empty($note)) {
1467 if (Profile::bioTooLong($note)) {
1468 // XXX: truncate ok?
1469 $bio = mb_substr($note, 0, Profile::maxBio() - 3) . ' … ';
1475 // @todo Try to get bio info some other way?
1480 public static function getActivityObjectNickname($object, $hints=array())
1482 if ($object->poco) {
1483 if (!empty($object->poco->preferredUsername)) {
1484 return common_nicknamize($object->poco->preferredUsername);
1488 if (!empty($object->nickname)) {
1489 return common_nicknamize($object->nickname);
1492 if (array_key_exists('nickname', $hints)) {
1493 return $hints['nickname'];
1496 // Try the profile url (like foo.example.com or example.com/user/foo)
1497 if (!empty($object->link)) {
1498 $profileUrl = $object->link;
1499 } else if (!empty($hints['profileurl'])) {
1500 $profileUrl = $hints['profileurl'];
1503 if (!empty($profileUrl)) {
1504 $nickname = self::nicknameFromURI($profileUrl);
1507 // Try the URI (may be a tag:, http:, acct:, ...
1509 if (empty($nickname)) {
1510 $nickname = self::nicknameFromURI($object->id);
1513 // Try a Webfinger if one was passed (way) down
1515 if (empty($nickname)) {
1516 if (array_key_exists('webfinger', $hints)) {
1517 $nickname = self::nicknameFromURI($hints['webfinger']);
1523 if (empty($nickname)) {
1524 $nickname = common_nicknamize($object->title);
1530 protected static function nicknameFromURI($uri)
1532 if (preg_match('/(\w+):/', $uri, $matches)) {
1533 $protocol = $matches[1];
1538 switch ($protocol) {
1541 if (preg_match("/^$protocol:(.*)?@.*\$/", $uri, $matches)) {
1542 return common_canonical_nickname($matches[1]);
1546 return common_url_to_nickname($uri);
1554 * Look up, and if necessary create, an Ostatus_profile for the remote
1555 * entity with the given webfinger address.
1556 * This should never return null -- you will either get an object or
1557 * an exception will be thrown.
1559 * @param string $addr webfinger address
1560 * @return Ostatus_profile
1561 * @throws Exception on error conditions
1562 * @throws OStatusShadowException if this reference would obscure a local user/group
1564 public static function ensureWebfinger($addr)
1566 // First, try the cache
1568 $uri = self::cacheGet(sprintf('ostatus_profile:webfinger:%s', $addr));
1570 if ($uri !== false) {
1571 if (is_null($uri)) {
1572 // Negative cache entry
1573 // TRANS: Exception.
1574 throw new Exception(_m('Not a valid webfinger address.'));
1576 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1577 if (!empty($oprofile)) {
1582 // Try looking it up
1584 $oprofile = Ostatus_profile::staticGet('uri', 'acct:'.$addr);
1586 if (!empty($oprofile)) {
1587 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1591 // Now, try some discovery
1593 $disco = new Discovery();
1596 $xrd = $disco->lookup($addr);
1597 } catch (Exception $e) {
1598 // Save negative cache entry so we don't waste time looking it up again.
1599 // @fixme distinguish temporary failures?
1600 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), null);
1601 // TRANS: Exception.
1602 throw new Exception(_m('Not a valid webfinger address.'));
1605 $hints = array('webfinger' => $addr);
1607 $dhints = DiscoveryHints::fromXRD($xrd);
1609 $hints = array_merge($hints, $dhints);
1611 // If there's an Hcard, let's grab its info
1613 if (array_key_exists('hcard', $hints)) {
1614 if (!array_key_exists('profileurl', $hints) ||
1615 $hints['hcard'] != $hints['profileurl']) {
1616 $hcardHints = DiscoveryHints::fromHcardUrl($hints['hcard']);
1617 $hints = array_merge($hcardHints, $hints);
1621 // If we got a feed URL, try that
1623 if (array_key_exists('feedurl', $hints)) {
1625 common_log(LOG_INFO, "Discovery on acct:$addr with feed URL " . $hints['feedurl']);
1626 $oprofile = self::ensureFeedURL($hints['feedurl'], $hints);
1627 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1629 } catch (Exception $e) {
1630 common_log(LOG_WARNING, "Failed creating profile from feed URL '$feedUrl': " . $e->getMessage());
1635 // If we got a profile page, try that!
1637 if (array_key_exists('profileurl', $hints)) {
1639 common_log(LOG_INFO, "Discovery on acct:$addr with profile URL $profileUrl");
1640 $oprofile = self::ensureProfileURL($hints['profileurl'], $hints);
1641 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1643 } catch (OStatusShadowException $e) {
1644 // We've ended up with a remote reference to a local user or group.
1645 // @fixme ideally we should be able to say who it was so we can
1646 // go back and refer to it the regular way
1648 } catch (Exception $e) {
1649 common_log(LOG_WARNING, "Failed creating profile from profile URL '$profileUrl': " . $e->getMessage());
1652 // @fixme this means an error discovering from profile page
1653 // may give us a corrupt entry using the webfinger URI, which
1654 // will obscure the correct page-keyed profile later on.
1661 if (array_key_exists('salmon', $hints)) {
1663 $salmonEndpoint = $hints['salmon'];
1665 // An account URL, a salmon endpoint, and a dream? Not much to go
1666 // on, but let's give it a try
1668 $uri = 'acct:'.$addr;
1670 $profile = new Profile();
1672 $profile->nickname = self::nicknameFromUri($uri);
1673 $profile->created = common_sql_now();
1675 if (isset($profileUrl)) {
1676 $profile->profileurl = $profileUrl;
1679 $profile_id = $profile->insert();
1682 common_log_db_error($profile, 'INSERT', __FILE__);
1683 // TRANS: Exception. %s is a webfinger address.
1684 throw new Exception(sprintf(_m('Couldn\'t save profile for "%s".'),$addr));
1687 $oprofile = new Ostatus_profile();
1689 $oprofile->uri = $uri;
1690 $oprofile->salmonuri = $salmonEndpoint;
1691 $oprofile->profile_id = $profile_id;
1692 $oprofile->created = common_sql_now();
1694 if (isset($feedUrl)) {
1695 $profile->feeduri = $feedUrl;
1698 $result = $oprofile->insert();
1701 common_log_db_error($oprofile, 'INSERT', __FILE__);
1702 // TRANS: Exception. %s is a webfinger address.
1703 throw new Exception(sprintf(_m('Couldn\'t save ostatus_profile for "%s".'),$addr));
1706 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1710 // TRANS: Exception. %s is a webfinger address.
1711 throw new Exception(sprintf(_m('Couldn\'t find a valid profile for "%s".'),$addr));
1715 * Store the full-length scrubbed HTML of a remote notice to an attachment
1716 * file on our server. We'll link to this at the end of the cropped version.
1718 * @param string $title plaintext for HTML page's title
1719 * @param string $rendered HTML fragment for HTML page's body
1722 function saveHTMLFile($title, $rendered)
1724 $final = sprintf("<!DOCTYPE html>\n" .
1726 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">' .
1727 '<title>%s</title>' .
1729 '<body>%s</body></html>',
1730 htmlspecialchars($title),
1733 $filename = File::filename($this->localProfile(),
1734 'ostatus', // ignored?
1737 $filepath = File::path($filename);
1739 file_put_contents($filepath, $final);
1743 $file->filename = $filename;
1744 $file->url = File::url($filename);
1745 $file->size = filesize($filepath);
1746 $file->date = time();
1747 $file->mimetype = 'text/html';
1749 $file_id = $file->insert();
1751 if ($file_id === false) {
1752 common_log_db_error($file, "INSERT", __FILE__);
1753 // TRANS: Server exception.
1754 throw new ServerException(_m('Could not store HTML content of long post as file.'));
1760 static function ensureProfileURI($uri)
1764 // First, try to query it
1766 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1768 // If unfound, do discovery stuff
1770 if (empty($oprofile)) {
1771 if (preg_match("/^(\w+)\:(.*)/", $uri, $match)) {
1772 $protocol = $match[1];
1773 switch ($protocol) {
1776 $oprofile = Ostatus_profile::ensureProfileURL($uri);
1781 $oprofile = Ostatus_profile::ensureWebfinger($rest);
1783 common_log("Unrecognized URI protocol for profile: $protocol ($uri)");
1791 function checkAuthorship($activity)
1793 if ($this->isGroup()) {
1794 // A group feed will contain posts from multiple authors.
1795 // @fixme validate these profiles in some way!
1796 $oprofile = self::ensureActorProfile($activity);
1797 if ($oprofile->isGroup()) {
1798 // Groups can't post notices in StatusNet.
1799 common_log(LOG_WARNING,
1800 "OStatus: skipping post with group listed as author: ".
1801 "$oprofile->uri in feed from $this->uri");
1805 $actor = $activity->actor;
1807 if (empty($actor)) {
1808 // OK here! assume the default
1809 } else if ($actor->id == $this->uri || $actor->link == $this->uri) {
1810 $this->updateFromActivityObject($actor);
1811 } else if ($actor->id) {
1812 // We have an ActivityStreams actor with an explicit ID that doesn't match the feed owner.
1813 // This isn't what we expect from mainline OStatus person feeds!
1814 // Group feeds go down another path, with different validation...
1815 // Most likely this is a plain ol' blog feed of some kind which
1816 // doesn't match our expectations. We'll take the entry, but ignore
1817 // the <author> info.
1818 common_log(LOG_WARNING, "Got an actor '{$actor->title}' ({$actor->id}) on single-user feed for {$this->uri}");
1820 // Plain <author> without ActivityStreams actor info.
1821 // We'll just ignore this info for now and save the update under the feed's identity.
1832 * Exception indicating we've got a remote reference to a local user,
1833 * not a remote user!
1835 * If we can ue a local profile after all, it's available as $e->profile.
1837 class OStatusShadowException extends Exception
1842 * @param Profile $profile
1843 * @param string $message
1845 function __construct($profile, $message) {
1846 $this->profile = $profile;
1847 parent::__construct($message);