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 $entry XML string, Notice, or Activity
334 * @return boolean success
336 public function notifyActivity($entry, $actor)
338 if ($this->salmonuri) {
339 $salmon = new Salmon();
340 return $salmon->post($this->salmonuri, $this->notifyPrepXml($entry), $actor);
347 * Queue a Salmon notification for later. If queues are disabled we'll
348 * send immediately but won't get the return value.
350 * @param mixed $entry XML string, Notice, or Activity
351 * @return boolean success
353 public function notifyDeferred($entry, $actor)
355 if ($this->salmonuri) {
356 $data = array('salmonuri' => $this->salmonuri,
357 'entry' => $this->notifyPrepXml($entry),
358 'actor' => $actor->id);
360 $qm = QueueManager::get();
361 return $qm->enqueue($data, 'salmon');
367 protected function notifyPrepXml($entry)
369 $preamble = '<?xml version="1.0" encoding="UTF-8" ?' . '>';
370 if (is_string($entry)) {
372 } else if ($entry instanceof Activity) {
373 return $preamble . $entry->asString(true);
374 } else if ($entry instanceof Notice) {
375 return $preamble . $entry->asAtomEntry(true, true);
377 // TRANS: Server exception.
378 throw new ServerException(_m('Invalid type passed to Ostatus_profile::notify. It must be XML string or Activity entry.'));
382 function getBestName()
384 if ($this->isGroup()) {
385 return $this->localGroup()->getBestName();
387 return $this->localProfile()->getBestName();
392 * Read and post notices for updates from the feed.
393 * Currently assumes that all items in the feed are new,
394 * coming from a PuSH hub.
396 * @param DOMDocument $doc
397 * @param string $source identifier ("push")
399 public function processFeed(DOMDocument $doc, $source)
401 $feed = $doc->documentElement;
403 if ($feed->localName == 'feed' && $feed->namespaceURI == Activity::ATOM) {
404 $this->processAtomFeed($feed, $source);
405 } else if ($feed->localName == 'rss') { // @fixme check namespace
406 $this->processRssFeed($feed, $source);
409 throw new Exception(_m('Unknown feed format.'));
413 public function processAtomFeed(DOMElement $feed, $source)
415 $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
416 if ($entries->length == 0) {
417 common_log(LOG_ERR, __METHOD__ . ": no entries in feed update, ignoring");
421 for ($i = 0; $i < $entries->length; $i++) {
422 $entry = $entries->item($i);
423 $this->processEntry($entry, $feed, $source);
427 public function processRssFeed(DOMElement $rss, $source)
429 $channels = $rss->getElementsByTagName('channel');
431 if ($channels->length == 0) {
433 throw new Exception(_m('RSS feed without a channel.'));
434 } else if ($channels->length > 1) {
435 common_log(LOG_WARNING, __METHOD__ . ": more than one channel in an RSS feed");
438 $channel = $channels->item(0);
440 $items = $channel->getElementsByTagName('item');
442 for ($i = 0; $i < $items->length; $i++) {
443 $item = $items->item($i);
444 $this->processEntry($item, $channel, $source);
449 * Process a posted entry from this feed source.
451 * @param DOMElement $entry
452 * @param DOMElement $feed for context
453 * @param string $source identifier ("push" or "salmon")
456 public function processEntry($entry, $feed, $source)
458 $activity = new Activity($entry, $feed);
460 if (Event::handle('StartHandleFeedEntryWithProfile', array($activity, $this)) &&
461 Event::handle('StartHandleFeedEntry', array($activity))) {
463 // @todo process all activity objects
464 switch ($activity->objects[0]->type) {
465 case ActivityObject::ARTICLE:
466 case ActivityObject::BLOGENTRY:
467 case ActivityObject::NOTE:
468 case ActivityObject::STATUS:
469 case ActivityObject::COMMENT:
471 if ($activity->verb == ActivityVerb::POST) {
472 $this->processPost($activity, $source);
474 common_log(LOG_INFO, "Ignoring activity with unrecognized verb $activity->verb");
478 // TRANS: Client exception.
479 throw new ClientException(_m('Can\'t handle that kind of post.'));
482 Event::handle('EndHandleFeedEntry', array($activity));
483 Event::handle('EndHandleFeedEntryWithProfile', array($activity, $this));
488 * Process an incoming post activity from this remote feed.
489 * @param Activity $activity
490 * @param string $method 'push' or 'salmon'
491 * @return mixed saved Notice or false
492 * @fixme break up this function, it's getting nasty long
494 public function processPost($activity, $method)
496 $oprofile = $this->checkAuthorship($activity);
498 if (empty($oprofile)) {
502 // It's not always an ActivityObject::NOTE, but... let's just say it is.
504 $note = $activity->objects[0];
506 // The id URI will be used as a unique identifier for for the notice,
507 // protecting against duplicate saves. It isn't required to be a URL;
508 // tag: URIs for instance are found in Google Buzz feeds.
509 $sourceUri = $note->id;
510 $dupe = Notice::staticGet('uri', $sourceUri);
512 common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
516 // We'll also want to save a web link to the original notice, if provided.
519 $sourceUrl = $note->link;
520 } else if ($activity->link) {
521 $sourceUrl = $activity->link;
522 } else if (preg_match('!^https?://!', $note->id)) {
523 $sourceUrl = $note->id;
526 // Use summary as fallback for content
528 if (!empty($note->content)) {
529 $sourceContent = $note->content;
530 } else if (!empty($note->summary)) {
531 $sourceContent = $note->summary;
532 } else if (!empty($note->title)) {
533 $sourceContent = $note->title;
535 // @fixme fetch from $sourceUrl?
536 // TRANS: Client exception. %s is a source URI.
537 throw new ClientException(sprintf(_m('No content for notice %s.'),$sourceUri));
540 // Get (safe!) HTML and text versions of the content
542 $rendered = $this->purify($sourceContent);
543 $content = html_entity_decode(strip_tags($rendered), ENT_QUOTES, 'UTF-8');
545 $shortened = common_shorten_links($content);
547 // If it's too long, try using the summary, and make the
548 // HTML an attachment.
552 if (Notice::contentTooLong($shortened)) {
553 $attachment = $this->saveHTMLFile($note->title, $rendered);
554 $summary = html_entity_decode(strip_tags($note->summary), ENT_QUOTES, 'UTF-8');
555 if (empty($summary)) {
558 $shortSummary = common_shorten_links($summary);
559 if (Notice::contentTooLong($shortSummary)) {
560 $url = common_shorten_url($sourceUrl);
561 $shortSummary = substr($shortSummary,
563 Notice::maxContent() - (mb_strlen($url) + 2));
564 $content = $shortSummary . ' ' . $url;
566 // We mark up the attachment link specially for the HTML output
567 // so we can fold-out the full version inline.
569 // @fixme I18N this tooltip will be saved with the site's default language
570 // TRANS: Shown when a notice is longer than supported and/or when attachments are present. At runtime
571 // TRANS: this will usually be replaced with localised text from StatusNet core messages.
572 $showMoreText = _m('Show more');
573 $attachUrl = common_local_url('attachment',
574 array('attachment' => $attachment->id));
575 $rendered = common_render_text($shortSummary) .
576 '<a href="' . htmlspecialchars($attachUrl) .'"'.
577 ' class="attachment more"' .
578 ' title="'. htmlspecialchars($showMoreText) . '">' .
584 $options = array('is_local' => Notice::REMOTE_OMB,
587 'rendered' => $rendered,
588 'replies' => array(),
593 // Check for optional attributes...
595 if (!empty($activity->time)) {
596 $options['created'] = common_sql_date($activity->time);
599 if ($activity->context) {
600 // Any individual or group attn: targets?
601 $replies = $activity->context->attention;
602 $options['groups'] = $this->filterReplies($oprofile, $replies);
603 $options['replies'] = $replies;
605 // Maintain direct reply associations
606 // @fixme what about conversation ID?
607 if (!empty($activity->context->replyToID)) {
608 $orig = Notice::staticGet('uri',
609 $activity->context->replyToID);
611 $options['reply_to'] = $orig->id;
615 $location = $activity->context->location;
617 $options['lat'] = $location->lat;
618 $options['lon'] = $location->lon;
619 if ($location->location_id) {
620 $options['location_ns'] = $location->location_ns;
621 $options['location_id'] = $location->location_id;
626 // Atom categories <-> hashtags
627 foreach ($activity->categories as $cat) {
629 $term = common_canonical_tag($cat->term);
631 $options['tags'][] = $term;
636 // Atom enclosures -> attachment URLs
637 foreach ($activity->enclosures as $href) {
638 // @fixme save these locally or....?
639 $options['urls'][] = $href;
643 $saved = Notice::saveNew($oprofile->profile_id,
648 Ostatus_source::saveNew($saved, $this, $method);
649 if (!empty($attachment)) {
650 File_to_post::processNew($attachment->id, $saved->id);
653 } catch (Exception $e) {
654 common_log(LOG_ERR, "OStatus save of remote message $sourceUri failed: " . $e->getMessage());
657 common_log(LOG_INFO, "OStatus saved remote message $sourceUri as notice id $saved->id");
664 protected function purify($html)
666 require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
667 $config = array('safe' => 1,
668 'deny_attribute' => 'id,style,on*');
669 return htmLawed($html, $config);
673 * Filters a list of recipient ID URIs to just those for local delivery.
674 * @param Ostatus_profile local profile of sender
675 * @param array in/out &$attention_uris set of URIs, will be pruned on output
676 * @return array of group IDs
678 protected function filterReplies($sender, &$attention_uris)
680 common_log(LOG_DEBUG, "Original reply recipients: " . implode(', ', $attention_uris));
683 foreach (array_unique($attention_uris) as $recipient) {
684 // Is the recipient a local user?
685 $user = User::staticGet('uri', $recipient);
687 // @fixme sender verification, spam etc?
688 $replies[] = $recipient;
692 // Is the recipient a local group?
693 // $group = User_group::staticGet('uri', $recipient);
694 $id = OStatusPlugin::localGroupFromUrl($recipient);
696 $group = User_group::staticGet('id', $id);
698 // Deliver to all members of this local group if allowed.
699 $profile = $sender->localProfile();
700 if ($profile->isMember($group)) {
701 $groups[] = $group->id;
703 common_log(LOG_DEBUG, "Skipping reply to local group $group->nickname as sender $profile->id is not a member");
707 common_log(LOG_DEBUG, "Skipping reply to bogus group $recipient");
711 // Is the recipient a remote user or group?
713 $oprofile = Ostatus_profile::ensureProfileURI($recipient);
714 if ($oprofile->isGroup()) {
715 // Deliver to local members of this remote group.
716 // @fixme sender verification?
717 $groups[] = $oprofile->group_id;
719 // may be canonicalized or something
720 $replies[] = $oprofile->uri;
723 } catch (Exception $e) {
724 // Neither a recognizable local nor remote user!
725 common_log(LOG_DEBUG, "Skipping reply to unrecognized profile $recipient: " . $e->getMessage());
729 $attention_uris = $replies;
730 common_log(LOG_DEBUG, "Local reply recipients: " . implode(', ', $replies));
731 common_log(LOG_DEBUG, "Local group recipients: " . implode(', ', $groups));
736 * Look up and if necessary create an Ostatus_profile for the remote entity
737 * with the given profile page URL. This should never return null -- you
738 * will either get an object or an exception will be thrown.
740 * @param string $profile_url
741 * @return Ostatus_profile
742 * @throws Exception on various error conditions
743 * @throws OStatusShadowException if this reference would obscure a local user/group
746 public static function ensureProfileURL($profile_url, $hints=array())
748 $oprofile = self::getFromProfileURL($profile_url);
750 if (!empty($oprofile)) {
754 $hints['profileurl'] = $profile_url;
759 $client = new HTTPClient();
760 $client->setHeader('Accept', 'text/html,application/xhtml+xml');
761 $response = $client->get($profile_url);
763 if (!$response->isOk()) {
764 // TRANS: Exception. %s is a profile URL.
765 throw new Exception(sprintf(_m('Could not reach profile page %s.'),$profile_url));
768 // Check if we have a non-canonical URL
770 $finalUrl = $response->getUrl();
772 if ($finalUrl != $profile_url) {
774 $hints['profileurl'] = $finalUrl;
776 $oprofile = self::getFromProfileURL($finalUrl);
778 if (!empty($oprofile)) {
783 // Try to get some hCard data
785 $body = $response->getBody();
787 $hcardHints = DiscoveryHints::hcardHints($body, $finalUrl);
789 if (!empty($hcardHints)) {
790 $hints = array_merge($hints, $hcardHints);
793 // Check if they've got an LRDD header
795 $lrdd = LinkHeader::getLink($response, 'lrdd', 'application/xrd+xml');
799 $xrd = Discovery::fetchXrd($lrdd);
800 $xrdHints = DiscoveryHints::fromXRD($xrd);
802 $hints = array_merge($hints, $xrdHints);
805 // If discovery found a feedurl (probably from LRDD), use it.
807 if (array_key_exists('feedurl', $hints)) {
808 return self::ensureFeedURL($hints['feedurl'], $hints);
811 // Get the feed URL from HTML
813 $discover = new FeedDiscovery();
815 $feedurl = $discover->discoverFromHTML($finalUrl, $body);
817 if (!empty($feedurl)) {
818 $hints['feedurl'] = $feedurl;
819 return self::ensureFeedURL($feedurl, $hints);
822 // TRANS: Exception. %s is a URL.
823 throw new Exception(sprintf(_m('Could not find a feed URL for profile page %s.'),$finalUrl));
827 * Look up the Ostatus_profile, if present, for a remote entity with the
828 * given profile page URL. Will return null for both unknown and invalid
831 * @return mixed Ostatus_profile or null
832 * @throws OStatusShadowException for local profiles
834 static function getFromProfileURL($profile_url)
836 $profile = Profile::staticGet('profileurl', $profile_url);
838 if (empty($profile)) {
842 // Is it a known Ostatus profile?
844 $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
846 if (!empty($oprofile)) {
850 // Is it a local user?
852 $user = User::staticGet('id', $profile->id);
855 // @todo i18n FIXME: use sprintf and add i18n (?)
856 throw new OStatusShadowException($profile, "'$profile_url' is the profile for local user '{$user->nickname}'.");
859 // Continue discovery; it's a remote profile
860 // for OMB or some other protocol, may also
867 * Look up and if necessary create an Ostatus_profile for remote entity
868 * with the given update feed. This should never return null -- you will
869 * either get an object or an exception will be thrown.
871 * @return Ostatus_profile
874 public static function ensureFeedURL($feed_url, $hints=array())
876 $discover = new FeedDiscovery();
878 $feeduri = $discover->discoverFromFeedURL($feed_url);
879 $hints['feedurl'] = $feeduri;
881 $huburi = $discover->getHubLink();
882 $hints['hub'] = $huburi;
883 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
884 $hints['salmon'] = $salmonuri;
886 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
887 // We can only deal with folks with a PuSH hub
888 throw new FeedSubNoHubException();
891 $feedEl = $discover->root;
893 if ($feedEl->tagName == 'feed') {
894 return self::ensureAtomFeed($feedEl, $hints);
895 } else if ($feedEl->tagName == 'channel') {
896 return self::ensureRssChannel($feedEl, $hints);
898 throw new FeedSubBadXmlException($feeduri);
903 * Look up and, if necessary, create an Ostatus_profile for the remote
904 * profile with the given Atom feed - actually loaded from the feed.
905 * This should never return null -- you will either get an object or
906 * an exception will be thrown.
908 * @param DOMElement $feedEl root element of a loaded Atom feed
909 * @param array $hints additional discovery information passed from higher levels
910 * @fixme should this be marked public?
911 * @return Ostatus_profile
915 public static function ensureAtomFeed($feedEl, $hints)
917 $author = ActivityUtils::getFeedAuthor($feedEl);
919 if (empty($author)) {
920 // XXX: make some educated guesses here
921 // TRANS: Feed sub exception.
922 throw new FeedSubException(_m('Can\'t find enough profile '.
923 'information to make a feed.'));
926 return self::ensureActivityObjectProfile($author, $hints);
930 * Look up and, if necessary, create an Ostatus_profile for the remote
931 * profile with the given RSS feed - actually loaded from the feed.
932 * This should never return null -- you will either get an object or
933 * an exception will be thrown.
935 * @param DOMElement $feedEl root element of a loaded RSS feed
936 * @param array $hints additional discovery information passed from higher levels
937 * @fixme should this be marked public?
938 * @return Ostatus_profile
941 public static function ensureRssChannel($feedEl, $hints)
943 // Special-case for Posterous. They have some nice metadata in their
944 // posterous:author elements. We should use them instead of the channel.
946 $items = $feedEl->getElementsByTagName('item');
948 if ($items->length > 0) {
949 $item = $items->item(0);
950 $authorEl = ActivityUtils::child($item, ActivityObject::AUTHOR, ActivityObject::POSTEROUS);
951 if (!empty($authorEl)) {
952 $obj = ActivityObject::fromPosterousAuthor($authorEl);
953 // Posterous has multiple authors per feed, and multiple feeds
954 // per author. We check if this is the "main" feed for this author.
955 if (array_key_exists('profileurl', $hints) &&
956 !empty($obj->poco) &&
957 common_url_to_nickname($hints['profileurl']) == $obj->poco->preferredUsername) {
958 return self::ensureActivityObjectProfile($obj, $hints);
963 // @fixme we should check whether this feed has elements
964 // with different <author> or <dc:creator> elements, and... I dunno.
965 // Do something about that.
967 $obj = ActivityObject::fromRssChannel($feedEl);
969 return self::ensureActivityObjectProfile($obj, $hints);
973 * Download and update given avatar image
976 * @throws Exception in various failure cases
978 protected function updateAvatar($url)
980 if ($url == $this->avatar) {
981 // We've already got this one.
984 if (!common_valid_http_url($url)) {
985 // TRANS: Server exception. %s is a URL.
986 throw new ServerException(sprintf(_m("Invalid avatar URL %s."), $url));
989 if ($this->isGroup()) {
990 $self = $this->localGroup();
992 $self = $this->localProfile();
995 throw new ServerException(sprintf(
996 // TRANS: Server exception. %s is a URI.
997 _m("Tried to update avatar for unsaved remote profile %s."),
1001 // @fixme this should be better encapsulated
1002 // ripped from oauthstore.php (for old OMB client)
1003 $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
1005 if (!copy($url, $temp_filename)) {
1006 // TRANS: Server exception. %s is a URL.
1007 throw new ServerException(sprintf(_m("Unable to fetch avatar from %s."), $url));
1010 if ($this->isGroup()) {
1011 $id = $this->group_id;
1013 $id = $this->profile_id;
1015 // @fixme should we be using different ids?
1016 $imagefile = new ImageFile($id, $temp_filename);
1017 $filename = Avatar::filename($id,
1018 image_type_to_extension($imagefile->type),
1020 common_timestamp());
1021 rename($temp_filename, Avatar::path($filename));
1022 } catch (Exception $e) {
1023 unlink($temp_filename);
1026 // @fixme hardcoded chmod is lame, but seems to be necessary to
1027 // keep from accidentally saving images from command-line (queues)
1028 // that can't be read from web server, which causes hard-to-notice
1029 // problems later on:
1031 // http://status.net/open-source/issues/2663
1032 chmod(Avatar::path($filename), 0644);
1034 $self->setOriginal($filename);
1036 $orig = clone($this);
1037 $this->avatar = $url;
1038 $this->update($orig);
1042 * Pull avatar URL from ActivityObject or profile hints
1044 * @param ActivityObject $object
1045 * @param array $hints
1046 * @return mixed URL string or false
1049 public static function getActivityObjectAvatar($object, $hints=array())
1051 if ($object->avatarLinks) {
1053 // Take the exact-size avatar, or the largest avatar, or the first avatar if all sizeless
1054 foreach ($object->avatarLinks as $avatar) {
1055 if ($avatar->width == AVATAR_PROFILE_SIZE && $avatar->height = AVATAR_PROFILE_SIZE) {
1060 if (!$best || $avatar->width > $best->width) {
1065 } else if (array_key_exists('avatar', $hints)) {
1066 return $hints['avatar'];
1072 * Get an appropriate avatar image source URL, if available.
1074 * @param ActivityObject $actor
1075 * @param DOMElement $feed
1079 protected static function getAvatar($actor, $feed)
1083 if ($actor->avatar) {
1084 $url = trim($actor->avatar);
1087 // Check <atom:logo> and <atom:icon> on the feed
1088 $els = $feed->childNodes();
1089 if ($els && $els->length) {
1090 for ($i = 0; $i < $els->length; $i++) {
1091 $el = $els->item($i);
1092 if ($el->namespaceURI == Activity::ATOM) {
1093 if (empty($url) && $el->localName == 'logo') {
1094 $url = trim($el->textContent);
1097 if (empty($icon) && $el->localName == 'icon') {
1098 // Use as a fallback
1099 $icon = trim($el->textContent);
1104 if ($icon && !$url) {
1109 $opts = array('allowed_schemes' => array('http', 'https'));
1110 if (Validate::uri($url, $opts)) {
1114 return common_path('plugins/OStatus/images/96px-Feed-icon.svg.png');
1118 * Fetch, or build if necessary, an Ostatus_profile for the actor
1119 * in a given Activity Streams activity.
1120 * This should never return null -- you will either get an object or
1121 * an exception will be thrown.
1123 * @param Activity $activity
1124 * @param string $feeduri if we already know the canonical feed URI!
1125 * @param string $salmonuri if we already know the salmon return channel URI
1126 * @return Ostatus_profile
1130 public static function ensureActorProfile($activity, $hints=array())
1132 return self::ensureActivityObjectProfile($activity->actor, $hints);
1136 * Fetch, or build if necessary, an Ostatus_profile for the profile
1137 * in a given Activity Streams object (can be subject, actor, or object).
1138 * This should never return null -- you will either get an object or
1139 * an exception will be thrown.
1141 * @param ActivityObject $object
1142 * @param array $hints additional discovery information passed from higher levels
1143 * @return Ostatus_profile
1147 public static function ensureActivityObjectProfile($object, $hints=array())
1149 $profile = self::getActivityObjectProfile($object);
1151 $profile->updateFromActivityObject($object, $hints);
1153 $profile = self::createActivityObjectProfile($object, $hints);
1159 * @param Activity $activity
1160 * @return mixed matching Ostatus_profile or false if none known
1161 * @throws ServerException if feed info invalid
1163 public static function getActorProfile($activity)
1165 return self::getActivityObjectProfile($activity->actor);
1169 * @param ActivityObject $activity
1170 * @return mixed matching Ostatus_profile or false if none known
1171 * @throws ServerException if feed info invalid
1173 protected static function getActivityObjectProfile($object)
1175 $uri = self::getActivityObjectProfileURI($object);
1176 return Ostatus_profile::staticGet('uri', $uri);
1180 * Get the identifier URI for the remote entity described
1181 * by this ActivityObject. This URI is *not* guaranteed to be
1182 * a resolvable HTTP/HTTPS URL.
1184 * @param ActivityObject $object
1186 * @throws ServerException if feed info invalid
1188 protected static function getActivityObjectProfileURI($object)
1191 if (ActivityUtils::validateUri($object->id)) {
1196 // If the id is missing or invalid (we've seen feeds mistakenly listing
1197 // things like local usernames in that field) then we'll use the profile
1198 // page link, if valid.
1199 if ($object->link && common_valid_http_url($object->link)) {
1200 return $object->link;
1202 throw new ServerException("No author ID URI found.");
1206 * @fixme validate stuff somewhere
1210 * Create local ostatus_profile and profile/user_group entries for
1211 * the provided remote user or group.
1212 * This should never return null -- you will either get an object or
1213 * an exception will be thrown.
1215 * @param ActivityObject $object
1216 * @param array $hints
1218 * @return Ostatus_profile
1220 protected static function createActivityObjectProfile($object, $hints=array())
1222 $homeuri = $object->id;
1226 common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
1227 throw new Exception("No profile URI");
1230 $user = User::staticGet('uri', $homeuri);
1232 // TRANS: Exception.
1233 throw new Exception(_m('Local user can\'t be referenced as remote.'));
1236 if (OStatusPlugin::localGroupFromUrl($homeuri)) {
1237 // TRANS: Exception.
1238 throw new Exception(_m('Local group can\'t be referenced as remote.'));
1241 if (array_key_exists('feedurl', $hints)) {
1242 $feeduri = $hints['feedurl'];
1244 $discover = new FeedDiscovery();
1245 $feeduri = $discover->discoverFromURL($homeuri);
1248 if (array_key_exists('salmon', $hints)) {
1249 $salmonuri = $hints['salmon'];
1252 $discover = new FeedDiscovery();
1253 $discover->discoverFromFeedURL($hints['feedurl']);
1255 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
1258 if (array_key_exists('hub', $hints)) {
1259 $huburi = $hints['hub'];
1262 $discover = new FeedDiscovery();
1263 $discover->discoverFromFeedURL($hints['feedurl']);
1265 $huburi = $discover->getHubLink();
1268 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
1269 // We can only deal with folks with a PuSH hub
1270 throw new FeedSubNoHubException();
1273 $oprofile = new Ostatus_profile();
1275 $oprofile->uri = $homeuri;
1276 $oprofile->feeduri = $feeduri;
1277 $oprofile->salmonuri = $salmonuri;
1279 $oprofile->created = common_sql_now();
1280 $oprofile->modified = common_sql_now();
1282 if ($object->type == ActivityObject::PERSON) {
1283 $profile = new Profile();
1284 $profile->created = common_sql_now();
1285 self::updateProfile($profile, $object, $hints);
1287 $oprofile->profile_id = $profile->insert();
1288 if (!$oprofile->profile_id) {
1289 // TRANS: Server exception.
1290 throw new ServerException(_m('Can\'t save local profile.'));
1293 $group = new User_group();
1294 $group->uri = $homeuri;
1295 $group->created = common_sql_now();
1296 self::updateGroup($group, $object, $hints);
1298 $oprofile->group_id = $group->insert();
1299 if (!$oprofile->group_id) {
1300 // TRANS: Server exception.
1301 throw new ServerException(_m('Can\'t save local profile.'));
1305 $ok = $oprofile->insert();
1308 // TRANS: Server exception.
1309 throw new ServerException(_m('Can\'t save OStatus profile.'));
1312 $avatar = self::getActivityObjectAvatar($object, $hints);
1316 $oprofile->updateAvatar($avatar);
1317 } catch (Exception $ex) {
1318 // Profile is saved, but Avatar is messed up. We're
1319 // just going to continue.
1320 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: ". $ex->getMessage());
1328 * Save any updated profile information to our local copy.
1329 * @param ActivityObject $object
1330 * @param array $hints
1332 public function updateFromActivityObject($object, $hints=array())
1334 if ($this->isGroup()) {
1335 $group = $this->localGroup();
1336 self::updateGroup($group, $object, $hints);
1338 $profile = $this->localProfile();
1339 self::updateProfile($profile, $object, $hints);
1341 $avatar = self::getActivityObjectAvatar($object, $hints);
1344 $this->updateAvatar($avatar);
1345 } catch (Exception $ex) {
1346 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: " . $ex->getMessage());
1351 public static function updateProfile($profile, $object, $hints=array())
1353 $orig = clone($profile);
1355 $profile->nickname = self::getActivityObjectNickname($object, $hints);
1357 if (!empty($object->title)) {
1358 $profile->fullname = $object->title;
1359 } else if (array_key_exists('fullname', $hints)) {
1360 $profile->fullname = $hints['fullname'];
1363 if (!empty($object->link)) {
1364 $profile->profileurl = $object->link;
1365 } else if (array_key_exists('profileurl', $hints)) {
1366 $profile->profileurl = $hints['profileurl'];
1367 } else if (Validate::uri($object->id, array('allowed_schemes' => array('http', 'https')))) {
1368 $profile->profileurl = $object->id;
1371 $profile->bio = self::getActivityObjectBio($object, $hints);
1372 $profile->location = self::getActivityObjectLocation($object, $hints);
1373 $profile->homepage = self::getActivityObjectHomepage($object, $hints);
1375 if (!empty($object->geopoint)) {
1376 $location = ActivityContext::locationFromPoint($object->geopoint);
1377 if (!empty($location)) {
1378 $profile->lat = $location->lat;
1379 $profile->lon = $location->lon;
1383 // @fixme tags/categories
1384 // @todo tags from categories
1387 common_log(LOG_DEBUG, "Updating OStatus profile $profile->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1388 $profile->update($orig);
1392 protected static function updateGroup($group, $object, $hints=array())
1394 $orig = clone($group);
1396 $group->nickname = self::getActivityObjectNickname($object, $hints);
1397 $group->fullname = $object->title;
1399 if (!empty($object->link)) {
1400 $group->mainpage = $object->link;
1401 } else if (array_key_exists('profileurl', $hints)) {
1402 $group->mainpage = $hints['profileurl'];
1405 // @todo tags from categories
1406 $group->description = self::getActivityObjectBio($object, $hints);
1407 $group->location = self::getActivityObjectLocation($object, $hints);
1408 $group->homepage = self::getActivityObjectHomepage($object, $hints);
1411 common_log(LOG_DEBUG, "Updating OStatus group $group->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1412 $group->update($orig);
1416 protected static function getActivityObjectHomepage($object, $hints=array())
1419 $poco = $object->poco;
1421 if (!empty($poco)) {
1422 $url = $poco->getPrimaryURL();
1423 if ($url && $url->type == 'homepage') {
1424 $homepage = $url->value;
1428 // @todo Try for a another PoCo URL?
1433 protected static function getActivityObjectLocation($object, $hints=array())
1437 if (!empty($object->poco) &&
1438 isset($object->poco->address->formatted)) {
1439 $location = $object->poco->address->formatted;
1440 } else if (array_key_exists('location', $hints)) {
1441 $location = $hints['location'];
1444 if (!empty($location)) {
1445 if (mb_strlen($location) > 255) {
1446 $location = mb_substr($note, 0, 255 - 3) . ' … ';
1450 // @todo Try to find location some othe way? Via goerss point?
1455 protected static function getActivityObjectBio($object, $hints=array())
1459 if (!empty($object->poco)) {
1460 $note = $object->poco->note;
1461 } else if (array_key_exists('bio', $hints)) {
1462 $note = $hints['bio'];
1465 if (!empty($note)) {
1466 if (Profile::bioTooLong($note)) {
1467 // XXX: truncate ok?
1468 $bio = mb_substr($note, 0, Profile::maxBio() - 3) . ' … ';
1474 // @todo Try to get bio info some other way?
1479 public static function getActivityObjectNickname($object, $hints=array())
1481 if ($object->poco) {
1482 if (!empty($object->poco->preferredUsername)) {
1483 return common_nicknamize($object->poco->preferredUsername);
1487 if (!empty($object->nickname)) {
1488 return common_nicknamize($object->nickname);
1491 if (array_key_exists('nickname', $hints)) {
1492 return $hints['nickname'];
1495 // Try the profile url (like foo.example.com or example.com/user/foo)
1496 if (!empty($object->link)) {
1497 $profileUrl = $object->link;
1498 } else if (!empty($hints['profileurl'])) {
1499 $profileUrl = $hints['profileurl'];
1502 if (!empty($profileUrl)) {
1503 $nickname = self::nicknameFromURI($profileUrl);
1506 // Try the URI (may be a tag:, http:, acct:, ...
1508 if (empty($nickname)) {
1509 $nickname = self::nicknameFromURI($object->id);
1512 // Try a Webfinger if one was passed (way) down
1514 if (empty($nickname)) {
1515 if (array_key_exists('webfinger', $hints)) {
1516 $nickname = self::nicknameFromURI($hints['webfinger']);
1522 if (empty($nickname)) {
1523 $nickname = common_nicknamize($object->title);
1529 protected static function nicknameFromURI($uri)
1531 if (preg_match('/(\w+):/', $uri, $matches)) {
1532 $protocol = $matches[1];
1537 switch ($protocol) {
1540 if (preg_match("/^$protocol:(.*)?@.*\$/", $uri, $matches)) {
1541 return common_canonical_nickname($matches[1]);
1545 return common_url_to_nickname($uri);
1553 * Look up, and if necessary create, an Ostatus_profile for the remote
1554 * entity with the given webfinger address.
1555 * This should never return null -- you will either get an object or
1556 * an exception will be thrown.
1558 * @param string $addr webfinger address
1559 * @return Ostatus_profile
1560 * @throws Exception on error conditions
1561 * @throws OStatusShadowException if this reference would obscure a local user/group
1563 public static function ensureWebfinger($addr)
1565 // First, try the cache
1567 $uri = self::cacheGet(sprintf('ostatus_profile:webfinger:%s', $addr));
1569 if ($uri !== false) {
1570 if (is_null($uri)) {
1571 // Negative cache entry
1572 // TRANS: Exception.
1573 throw new Exception(_m('Not a valid webfinger address.'));
1575 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1576 if (!empty($oprofile)) {
1581 // Try looking it up
1583 $oprofile = Ostatus_profile::staticGet('uri', 'acct:'.$addr);
1585 if (!empty($oprofile)) {
1586 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1590 // Now, try some discovery
1592 $disco = new Discovery();
1595 $xrd = $disco->lookup($addr);
1596 } catch (Exception $e) {
1597 // Save negative cache entry so we don't waste time looking it up again.
1598 // @fixme distinguish temporary failures?
1599 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), null);
1600 // TRANS: Exception.
1601 throw new Exception(_m('Not a valid webfinger address.'));
1604 $hints = array('webfinger' => $addr);
1606 $dhints = DiscoveryHints::fromXRD($xrd);
1608 $hints = array_merge($hints, $dhints);
1610 // If there's an Hcard, let's grab its info
1612 if (array_key_exists('hcard', $hints)) {
1613 if (!array_key_exists('profileurl', $hints) ||
1614 $hints['hcard'] != $hints['profileurl']) {
1615 $hcardHints = DiscoveryHints::fromHcardUrl($hints['hcard']);
1616 $hints = array_merge($hcardHints, $hints);
1620 // If we got a feed URL, try that
1622 if (array_key_exists('feedurl', $hints)) {
1624 common_log(LOG_INFO, "Discovery on acct:$addr with feed URL " . $hints['feedurl']);
1625 $oprofile = self::ensureFeedURL($hints['feedurl'], $hints);
1626 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1628 } catch (Exception $e) {
1629 common_log(LOG_WARNING, "Failed creating profile from feed URL '$feedUrl': " . $e->getMessage());
1634 // If we got a profile page, try that!
1636 if (array_key_exists('profileurl', $hints)) {
1638 common_log(LOG_INFO, "Discovery on acct:$addr with profile URL $profileUrl");
1639 $oprofile = self::ensureProfileURL($hints['profileurl'], $hints);
1640 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1642 } catch (OStatusShadowException $e) {
1643 // We've ended up with a remote reference to a local user or group.
1644 // @fixme ideally we should be able to say who it was so we can
1645 // go back and refer to it the regular way
1647 } catch (Exception $e) {
1648 common_log(LOG_WARNING, "Failed creating profile from profile URL '$profileUrl': " . $e->getMessage());
1651 // @fixme this means an error discovering from profile page
1652 // may give us a corrupt entry using the webfinger URI, which
1653 // will obscure the correct page-keyed profile later on.
1660 if (array_key_exists('salmon', $hints)) {
1662 $salmonEndpoint = $hints['salmon'];
1664 // An account URL, a salmon endpoint, and a dream? Not much to go
1665 // on, but let's give it a try
1667 $uri = 'acct:'.$addr;
1669 $profile = new Profile();
1671 $profile->nickname = self::nicknameFromUri($uri);
1672 $profile->created = common_sql_now();
1674 if (isset($profileUrl)) {
1675 $profile->profileurl = $profileUrl;
1678 $profile_id = $profile->insert();
1681 common_log_db_error($profile, 'INSERT', __FILE__);
1682 // TRANS: Exception. %s is a webfinger address.
1683 throw new Exception(sprintf(_m('Couldn\'t save profile for "%s".'),$addr));
1686 $oprofile = new Ostatus_profile();
1688 $oprofile->uri = $uri;
1689 $oprofile->salmonuri = $salmonEndpoint;
1690 $oprofile->profile_id = $profile_id;
1691 $oprofile->created = common_sql_now();
1693 if (isset($feedUrl)) {
1694 $profile->feeduri = $feedUrl;
1697 $result = $oprofile->insert();
1700 common_log_db_error($oprofile, 'INSERT', __FILE__);
1701 // TRANS: Exception. %s is a webfinger address.
1702 throw new Exception(sprintf(_m('Couldn\'t save ostatus_profile for "%s".'),$addr));
1705 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1709 // TRANS: Exception. %s is a webfinger address.
1710 throw new Exception(sprintf(_m('Couldn\'t find a valid profile for "%s".'),$addr));
1714 * Store the full-length scrubbed HTML of a remote notice to an attachment
1715 * file on our server. We'll link to this at the end of the cropped version.
1717 * @param string $title plaintext for HTML page's title
1718 * @param string $rendered HTML fragment for HTML page's body
1721 function saveHTMLFile($title, $rendered)
1723 $final = sprintf("<!DOCTYPE html>\n" .
1725 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">' .
1726 '<title>%s</title>' .
1728 '<body>%s</body></html>',
1729 htmlspecialchars($title),
1732 $filename = File::filename($this->localProfile(),
1733 'ostatus', // ignored?
1736 $filepath = File::path($filename);
1738 file_put_contents($filepath, $final);
1742 $file->filename = $filename;
1743 $file->url = File::url($filename);
1744 $file->size = filesize($filepath);
1745 $file->date = time();
1746 $file->mimetype = 'text/html';
1748 $file_id = $file->insert();
1750 if ($file_id === false) {
1751 common_log_db_error($file, "INSERT", __FILE__);
1752 // TRANS: Server exception.
1753 throw new ServerException(_m('Could not store HTML content of long post as file.'));
1759 static function ensureProfileURI($uri)
1763 // First, try to query it
1765 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1767 // If unfound, do discovery stuff
1769 if (empty($oprofile)) {
1770 if (preg_match("/^(\w+)\:(.*)/", $uri, $match)) {
1771 $protocol = $match[1];
1772 switch ($protocol) {
1775 $oprofile = Ostatus_profile::ensureProfileURL($uri);
1780 $oprofile = Ostatus_profile::ensureWebfinger($rest);
1782 common_log("Unrecognized URI protocol for profile: $protocol ($uri)");
1790 function checkAuthorship($activity)
1792 if ($this->isGroup()) {
1793 // A group feed will contain posts from multiple authors.
1794 // @fixme validate these profiles in some way!
1795 $oprofile = self::ensureActorProfile($activity);
1796 if ($oprofile->isGroup()) {
1797 // Groups can't post notices in StatusNet.
1798 common_log(LOG_WARNING,
1799 "OStatus: skipping post with group listed as author: ".
1800 "$oprofile->uri in feed from $this->uri");
1804 $actor = $activity->actor;
1806 if (empty($actor)) {
1807 // OK here! assume the default
1808 } else if ($actor->id == $this->uri || $actor->link == $this->uri) {
1809 $this->updateFromActivityObject($actor);
1810 } else if ($actor->id) {
1811 // We have an ActivityStreams actor with an explicit ID that doesn't match the feed owner.
1812 // This isn't what we expect from mainline OStatus person feeds!
1813 // Group feeds go down another path, with different validation...
1814 // Most likely this is a plain ol' blog feed of some kind which
1815 // doesn't match our expectations. We'll take the entry, but ignore
1816 // the <author> info.
1817 common_log(LOG_WARNING, "Got an actor '{$actor->title}' ({$actor->id}) on single-user feed for {$this->uri}");
1819 // Plain <author> without ActivityStreams actor info.
1820 // We'll just ignore this info for now and save the update under the feed's identity.
1831 * Exception indicating we've got a remote reference to a local user,
1832 * not a remote user!
1834 * If we can ue a local profile after all, it's available as $e->profile.
1836 class OStatusShadowException extends Exception
1841 * @param Profile $profile
1842 * @param string $message
1844 function __construct($profile, $message) {
1845 $this->profile = $profile;
1846 parent::__construct($message);