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/>.
21 * @package OStatusPlugin
22 * @maintainer Brion Vibber <brion@status.net>
25 class Ostatus_profile extends Memcached_DataObject
27 public $__table = 'ostatus_profile';
36 public $avatar; // remote URL of the last avatar we saved
41 public /*static*/ function staticGet($k, $v=null)
43 return parent::staticGet(__CLASS__, $k, $v);
47 * return table definition for DB_DataObject
49 * DB_DataObject needs to know something about the table to manipulate
50 * instances. This method provides all the DB_DataObject needs to know.
52 * @return array array of column definitions
57 return array('uri' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
58 'profile_id' => DB_DATAOBJECT_INT,
59 'group_id' => DB_DATAOBJECT_INT,
60 'feeduri' => DB_DATAOBJECT_STR,
61 'salmonuri' => DB_DATAOBJECT_STR,
62 'avatar' => DB_DATAOBJECT_STR,
63 'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL,
64 'modified' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
67 static function schemaDef()
69 return array(new ColumnDef('uri', 'varchar',
71 new ColumnDef('profile_id', 'integer',
73 new ColumnDef('group_id', 'integer',
75 new ColumnDef('feeduri', 'varchar',
77 new ColumnDef('salmonuri', 'text',
79 new ColumnDef('avatar', 'text',
81 new ColumnDef('created', 'datetime',
83 new ColumnDef('modified', 'datetime',
88 * return key definitions for DB_DataObject
90 * DB_DataObject needs to know about keys that the table has; this function
93 * @return array key definitions
98 return array_keys($this->keyTypes());
102 * return key definitions for Memcached_DataObject
104 * Our caching system uses the same key definitions, but uses a different
105 * method to get them.
107 * @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 // @todo i18n FIXME: use sprintf and add i18n.
192 throw new ServerException("Invalid ostatus_profile state: both group and profile IDs set for $this->uri.");
194 // @todo i18n FIXME: use sprintf and add i18n.
195 throw new ServerException("Invalid ostatus_profile state: both group and profile IDs empty for $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 throw new ServerException("Invalid actor passed to " . __METHOD__ . ": " . $type);
285 if ($object == null) {
288 if ($this->salmonuri) {
291 $id = TagURI::mint('%s:%s:%s',
294 common_date_iso8601(time()));
296 // @fixme consolidate all these NS settings somewhere
297 $attributes = array('xmlns' => Activity::ATOM,
298 'xmlns:activity' => 'http://activitystrea.ms/spec/1.0/',
299 'xmlns:thr' => 'http://purl.org/syndication/thread/1.0',
300 'xmlns:georss' => 'http://www.georss.org/georss',
301 'xmlns:ostatus' => 'http://ostatus.org/schema/1.0',
302 'xmlns:poco' => 'http://portablecontacts.net/spec/1.0',
303 'xmlns:media' => 'http://purl.org/syndication/atommedia');
305 $entry = new XMLStringer();
306 $entry->elementStart('entry', $attributes);
307 $entry->element('id', null, $id);
308 $entry->element('title', null, $text);
309 $entry->element('summary', null, $text);
310 $entry->element('published', null, common_date_w3dtf(common_sql_now()));
312 $entry->element('activity:verb', null, $verb);
313 $entry->raw($actor->asAtomAuthor());
314 $entry->raw($actor->asActivityActor());
315 $entry->raw($object->asActivityNoun('object'));
316 $entry->elementEnd('entry');
318 $xml = $entry->getString();
319 common_log(LOG_INFO, "Posting to Salmon endpoint $this->salmonuri: $xml");
321 $salmon = new Salmon(); // ?
322 return $salmon->post($this->salmonuri, $xml, $actor);
328 * Send a Salmon notification ping immediately, and confirm that we got
329 * an acceptable response from the remote site.
331 * @param mixed $entry XML string, Notice, or Activity
332 * @return boolean success
334 public function notifyActivity($entry, $actor)
336 if ($this->salmonuri) {
337 $salmon = new Salmon();
338 return $salmon->post($this->salmonuri, $this->notifyPrepXml($entry), $actor);
345 * Queue a Salmon notification for later. If queues are disabled we'll
346 * send immediately but won't get the return value.
348 * @param mixed $entry XML string, Notice, or Activity
349 * @return boolean success
351 public function notifyDeferred($entry, $actor)
353 if ($this->salmonuri) {
354 $data = array('salmonuri' => $this->salmonuri,
355 'entry' => $this->notifyPrepXml($entry),
356 'actor' => $actor->id);
358 $qm = QueueManager::get();
359 return $qm->enqueue($data, 'salmon');
365 protected function notifyPrepXml($entry)
367 $preamble = '<?xml version="1.0" encoding="UTF-8" ?' . '>';
368 if (is_string($entry)) {
370 } else if ($entry instanceof Activity) {
371 return $preamble . $entry->asString(true);
372 } else if ($entry instanceof Notice) {
373 return $preamble . $entry->asAtomEntry(true, true);
375 // @todo i18n FIXME: use sprintf and add i18n.
376 throw new ServerException("Invalid type passed to Ostatus_profile::notify; must be XML string or Activity entry.");
380 function getBestName()
382 if ($this->isGroup()) {
383 return $this->localGroup()->getBestName();
385 return $this->localProfile()->getBestName();
390 * Read and post notices for updates from the feed.
391 * Currently assumes that all items in the feed are new,
392 * coming from a PuSH hub.
394 * @param DOMDocument $doc
395 * @param string $source identifier ("push")
397 public function processFeed(DOMDocument $doc, $source)
399 $feed = $doc->documentElement;
401 if ($feed->localName == 'feed' && $feed->namespaceURI == Activity::ATOM) {
402 $this->processAtomFeed($feed, $source);
403 } else if ($feed->localName == 'rss') { // @fixme check namespace
404 $this->processRssFeed($feed, $source);
406 throw new Exception("Unknown feed format.");
410 public function processAtomFeed(DOMElement $feed, $source)
412 $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
413 if ($entries->length == 0) {
414 common_log(LOG_ERR, __METHOD__ . ": no entries in feed update, ignoring");
418 for ($i = 0; $i < $entries->length; $i++) {
419 $entry = $entries->item($i);
420 $this->processEntry($entry, $feed, $source);
424 public function processRssFeed(DOMElement $rss, $source)
426 $channels = $rss->getElementsByTagName('channel');
428 if ($channels->length == 0) {
429 throw new Exception("RSS feed without a channel.");
430 } else if ($channels->length > 1) {
431 common_log(LOG_WARNING, __METHOD__ . ": more than one channel in an RSS feed");
434 $channel = $channels->item(0);
436 $items = $channel->getElementsByTagName('item');
438 for ($i = 0; $i < $items->length; $i++) {
439 $item = $items->item($i);
440 $this->processEntry($item, $channel, $source);
445 * Process a posted entry from this feed source.
447 * @param DOMElement $entry
448 * @param DOMElement $feed for context
449 * @param string $source identifier ("push" or "salmon")
452 public function processEntry($entry, $feed, $source)
454 $activity = new Activity($entry, $feed);
456 if (Event::handle('StartHandleFeedEntry', array($activity))) {
458 // @todo process all activity objects
459 switch ($activity->objects[0]->type) {
460 case ActivityObject::ARTICLE:
461 case ActivityObject::BLOGENTRY:
462 case ActivityObject::NOTE:
463 case ActivityObject::STATUS:
464 case ActivityObject::COMMENT:
466 if ($activity->verb == ActivityVerb::POST) {
467 $this->processPost($activity, $source);
469 common_log(LOG_INFO, "Ignoring activity with unrecognized verb $activity->verb");
473 throw new ClientException("Can't handle that kind of post.");
476 Event::handle('EndHandleFeedEntry', array($activity));
481 * Process an incoming post activity from this remote feed.
482 * @param Activity $activity
483 * @param string $method 'push' or 'salmon'
484 * @return mixed saved Notice or false
485 * @fixme break up this function, it's getting nasty long
487 public function processPost($activity, $method)
489 if ($this->isGroup()) {
490 // A group feed will contain posts from multiple authors.
491 // @fixme validate these profiles in some way!
492 $oprofile = self::ensureActorProfile($activity);
493 if ($oprofile->isGroup()) {
494 // Groups can't post notices in StatusNet.
495 common_log(LOG_WARNING, "OStatus: skipping post with group listed as author: $oprofile->uri in feed from $this->uri");
499 $actor = $activity->actor;
502 // OK here! assume the default
503 } else if ($actor->id == $this->uri || $actor->link == $this->uri) {
504 $this->updateFromActivityObject($actor);
505 } else if ($actor->id) {
506 // We have an ActivityStreams actor with an explicit ID that doesn't match the feed owner.
507 // This isn't what we expect from mainline OStatus person feeds!
508 // Group feeds go down another path, with different validation...
509 // Most likely this is a plain ol' blog feed of some kind which
510 // doesn't match our expectations. We'll take the entry, but ignore
511 // the <author> info.
512 common_log(LOG_WARNING, "Got an actor '{$actor->title}' ({$actor->id}) on single-user feed for {$this->uri}");
514 // Plain <author> without ActivityStreams actor info.
515 // We'll just ignore this info for now and save the update under the feed's identity.
521 // It's not always an ActivityObject::NOTE, but... let's just say it is.
523 $note = $activity->objects[0];
525 // The id URI will be used as a unique identifier for for the notice,
526 // protecting against duplicate saves. It isn't required to be a URL;
527 // tag: URIs for instance are found in Google Buzz feeds.
528 $sourceUri = $note->id;
529 $dupe = Notice::staticGet('uri', $sourceUri);
531 common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
535 // We'll also want to save a web link to the original notice, if provided.
538 $sourceUrl = $note->link;
539 } else if ($activity->link) {
540 $sourceUrl = $activity->link;
541 } else if (preg_match('!^https?://!', $note->id)) {
542 $sourceUrl = $note->id;
545 // Use summary as fallback for content
547 if (!empty($note->content)) {
548 $sourceContent = $note->content;
549 } else if (!empty($note->summary)) {
550 $sourceContent = $note->summary;
551 } else if (!empty($note->title)) {
552 $sourceContent = $note->title;
554 // @fixme fetch from $sourceUrl?
555 // @todo i18n FIXME: use sprintf and add i18n.
556 throw new ClientException("No content for notice {$sourceUri}.");
559 // Get (safe!) HTML and text versions of the content
561 $rendered = $this->purify($sourceContent);
562 $content = html_entity_decode(strip_tags($rendered));
564 $shortened = common_shorten_links($content);
566 // If it's too long, try using the summary, and make the
567 // HTML an attachment.
571 if (Notice::contentTooLong($shortened)) {
572 $attachment = $this->saveHTMLFile($note->title, $rendered);
573 $summary = html_entity_decode(strip_tags($note->summary));
574 if (empty($summary)) {
577 $shortSummary = common_shorten_links($summary);
578 if (Notice::contentTooLong($shortSummary)) {
579 $url = common_shorten_url($sourceUrl);
580 $shortSummary = substr($shortSummary,
582 Notice::maxContent() - (mb_strlen($url) + 2));
583 $content = $shortSummary . ' ' . $url;
585 // We mark up the attachment link specially for the HTML output
586 // so we can fold-out the full version inline.
587 $attachUrl = common_local_url('attachment',
588 array('attachment' => $attachment->id));
589 $rendered = common_render_text($shortSummary) .
590 '<a href="' . htmlspecialchars($attachUrl) .'"'.
591 ' class="attachment more"' .
592 ' title="'. htmlspecialchars(_m('Show more')) . '">' .
594 '</a>'; // @todo i18n FIXME: add translator hint/context.
598 $options = array('is_local' => Notice::REMOTE_OMB,
601 'rendered' => $rendered,
602 'replies' => array(),
607 // Check for optional attributes...
609 if (!empty($activity->time)) {
610 $options['created'] = common_sql_date($activity->time);
613 if ($activity->context) {
614 // Any individual or group attn: targets?
615 $replies = $activity->context->attention;
616 $options['groups'] = $this->filterReplies($oprofile, $replies);
617 $options['replies'] = $replies;
619 // Maintain direct reply associations
620 // @fixme what about conversation ID?
621 if (!empty($activity->context->replyToID)) {
622 $orig = Notice::staticGet('uri',
623 $activity->context->replyToID);
625 $options['reply_to'] = $orig->id;
629 $location = $activity->context->location;
631 $options['lat'] = $location->lat;
632 $options['lon'] = $location->lon;
633 if ($location->location_id) {
634 $options['location_ns'] = $location->location_ns;
635 $options['location_id'] = $location->location_id;
640 // Atom categories <-> hashtags
641 foreach ($activity->categories as $cat) {
643 $term = common_canonical_tag($cat->term);
645 $options['tags'][] = $term;
650 // Atom enclosures -> attachment URLs
651 foreach ($activity->enclosures as $href) {
652 // @fixme save these locally or....?
653 $options['urls'][] = $href;
657 $saved = Notice::saveNew($oprofile->profile_id,
662 Ostatus_source::saveNew($saved, $this, $method);
663 if (!empty($attachment)) {
664 File_to_post::processNew($attachment->id, $saved->id);
667 } catch (Exception $e) {
668 common_log(LOG_ERR, "OStatus save of remote message $sourceUri failed: " . $e->getMessage());
671 common_log(LOG_INFO, "OStatus saved remote message $sourceUri as notice id $saved->id");
678 protected function purify($html)
680 require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
681 $config = array('safe' => 1,
682 'deny_attribute' => 'id,style,on*');
683 return htmLawed($html, $config);
687 * Filters a list of recipient ID URIs to just those for local delivery.
688 * @param Ostatus_profile local profile of sender
689 * @param array in/out &$attention_uris set of URIs, will be pruned on output
690 * @return array of group IDs
692 protected function filterReplies($sender, &$attention_uris)
694 common_log(LOG_DEBUG, "Original reply recipients: " . implode(', ', $attention_uris));
697 foreach (array_unique($attention_uris) as $recipient) {
698 // Is the recipient a local user?
699 $user = User::staticGet('uri', $recipient);
701 // @fixme sender verification, spam etc?
702 $replies[] = $recipient;
706 // Is the recipient a remote group?
707 $oprofile = Ostatus_profile::ensureProfileURI($recipient);
710 if ($oprofile->isGroup()) {
711 // Deliver to local members of this remote group.
712 // @fixme sender verification?
713 $groups[] = $oprofile->group_id;
715 // may be canonicalized or something
716 $replies[] = $oprofile->uri;
721 // Is the recipient a local group?
722 // @fixme uri on user_group isn't reliable yet
723 // $group = User_group::staticGet('uri', $recipient);
724 $id = OStatusPlugin::localGroupFromUrl($recipient);
726 $group = User_group::staticGet('id', $id);
728 // Deliver to all members of this local group if allowed.
729 $profile = $sender->localProfile();
730 if ($profile->isMember($group)) {
731 $groups[] = $group->id;
733 common_log(LOG_DEBUG, "Skipping reply to local group $group->nickname as sender $profile->id is not a member");
737 common_log(LOG_DEBUG, "Skipping reply to bogus group $recipient");
741 common_log(LOG_DEBUG, "Skipping reply to unrecognized profile $recipient");
744 $attention_uris = $replies;
745 common_log(LOG_DEBUG, "Local reply recipients: " . implode(', ', $replies));
746 common_log(LOG_DEBUG, "Local group recipients: " . implode(', ', $groups));
751 * Look up and if necessary create an Ostatus_profile for the remote entity
752 * with the given profile page URL. This should never return null -- you
753 * will either get an object or an exception will be thrown.
755 * @param string $profile_url
756 * @return Ostatus_profile
757 * @throws Exception on various error conditions
758 * @throws OStatusShadowException if this reference would obscure a local user/group
761 public static function ensureProfileURL($profile_url, $hints=array())
763 $oprofile = self::getFromProfileURL($profile_url);
765 if (!empty($oprofile)) {
769 $hints['profileurl'] = $profile_url;
774 $client = new HTTPClient();
775 $client->setHeader('Accept', 'text/html,application/xhtml+xml');
776 $response = $client->get($profile_url);
778 if (!$response->isOk()) {
779 // @todo i18n FIXME: use sprintf and add i18n.
780 throw new Exception("Could not reach profile page: " . $profile_url);
783 // Check if we have a non-canonical URL
785 $finalUrl = $response->getUrl();
787 if ($finalUrl != $profile_url) {
789 $hints['profileurl'] = $finalUrl;
791 $oprofile = self::getFromProfileURL($finalUrl);
793 if (!empty($oprofile)) {
798 // Try to get some hCard data
800 $body = $response->getBody();
802 $hcardHints = DiscoveryHints::hcardHints($body, $finalUrl);
804 if (!empty($hcardHints)) {
805 $hints = array_merge($hints, $hcardHints);
808 // Check if they've got an LRDD header
810 $lrdd = LinkHeader::getLink($response, 'lrdd', 'application/xrd+xml');
814 $xrd = Discovery::fetchXrd($lrdd);
815 $xrdHints = DiscoveryHints::fromXRD($xrd);
817 $hints = array_merge($hints, $xrdHints);
820 // If discovery found a feedurl (probably from LRDD), use it.
822 if (array_key_exists('feedurl', $hints)) {
823 return self::ensureFeedURL($hints['feedurl'], $hints);
826 // Get the feed URL from HTML
828 $discover = new FeedDiscovery();
830 $feedurl = $discover->discoverFromHTML($finalUrl, $body);
832 if (!empty($feedurl)) {
833 $hints['feedurl'] = $feedurl;
834 return self::ensureFeedURL($feedurl, $hints);
837 // @todo i18n FIXME: use sprintf and add i18n.
838 throw new Exception("Could not find a feed URL for profile page " . $finalUrl);
842 * Look up the Ostatus_profile, if present, for a remote entity with the
843 * given profile page URL. Will return null for both unknown and invalid
846 * @return mixed Ostatus_profile or null
847 * @throws OStatusShadowException for local profiles
849 static function getFromProfileURL($profile_url)
851 $profile = Profile::staticGet('profileurl', $profile_url);
853 if (empty($profile)) {
857 // Is it a known Ostatus profile?
859 $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
861 if (!empty($oprofile)) {
865 // Is it a local user?
867 $user = User::staticGet('id', $profile->id);
870 // @todo i18n FIXME: use sprintf and add i18n.
871 throw new OStatusShadowException($profile, "'$profile_url' is the profile for local user '{$user->nickname}'.");
874 // Continue discovery; it's a remote profile
875 // for OMB or some other protocol, may also
882 * Look up and if necessary create an Ostatus_profile for remote entity
883 * with the given update feed. This should never return null -- you will
884 * either get an object or an exception will be thrown.
886 * @return Ostatus_profile
889 public static function ensureFeedURL($feed_url, $hints=array())
891 $discover = new FeedDiscovery();
893 $feeduri = $discover->discoverFromFeedURL($feed_url);
894 $hints['feedurl'] = $feeduri;
896 $huburi = $discover->getHubLink();
897 $hints['hub'] = $huburi;
898 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
899 $hints['salmon'] = $salmonuri;
901 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
902 // We can only deal with folks with a PuSH hub
903 throw new FeedSubNoHubException();
906 $feedEl = $discover->root;
908 if ($feedEl->tagName == 'feed') {
909 return self::ensureAtomFeed($feedEl, $hints);
910 } else if ($feedEl->tagName == 'channel') {
911 return self::ensureRssChannel($feedEl, $hints);
913 throw new FeedSubBadXmlException($feeduri);
918 * Look up and, if necessary, create an Ostatus_profile for the remote
919 * profile with the given Atom feed - actually loaded from the feed.
920 * This should never return null -- you will either get an object or
921 * an exception will be thrown.
923 * @param DOMElement $feedEl root element of a loaded Atom feed
924 * @param array $hints additional discovery information passed from higher levels
925 * @fixme should this be marked public?
926 * @return Ostatus_profile
929 public static function ensureAtomFeed($feedEl, $hints)
931 // Try to get a profile from the feed activity:subject
933 $subject = ActivityUtils::child($feedEl, Activity::SUBJECT, Activity::SPEC);
935 if (!empty($subject)) {
936 $subjObject = new ActivityObject($subject);
937 return self::ensureActivityObjectProfile($subjObject, $hints);
940 // Otherwise, try the feed author
942 $author = ActivityUtils::child($feedEl, Activity::AUTHOR, Activity::ATOM);
944 if (!empty($author)) {
945 $authorObject = new ActivityObject($author);
946 return self::ensureActivityObjectProfile($authorObject, $hints);
949 // Sheesh. Not a very nice feed! Let's try fingerpoken in the
952 $entries = $feedEl->getElementsByTagNameNS(Activity::ATOM, 'entry');
954 if (!empty($entries) && $entries->length > 0) {
956 $entry = $entries->item(0);
958 $actor = ActivityUtils::child($entry, Activity::ACTOR, Activity::SPEC);
960 if (!empty($actor)) {
961 $actorObject = new ActivityObject($actor);
962 return self::ensureActivityObjectProfile($actorObject, $hints);
966 $author = ActivityUtils::child($entry, Activity::AUTHOR, Activity::ATOM);
968 if (!empty($author)) {
969 $authorObject = new ActivityObject($author);
970 return self::ensureActivityObjectProfile($authorObject, $hints);
974 // XXX: make some educated guesses here
976 throw new FeedSubException("Can't find enough profile information to make a feed.");
980 * Look up and, if necessary, create an Ostatus_profile for the remote
981 * profile with the given RSS feed - actually loaded from the feed.
982 * This should never return null -- you will either get an object or
983 * an exception will be thrown.
985 * @param DOMElement $feedEl root element of a loaded RSS feed
986 * @param array $hints additional discovery information passed from higher levels
987 * @fixme should this be marked public?
988 * @return Ostatus_profile
991 public static function ensureRssChannel($feedEl, $hints)
993 // Special-case for Posterous. They have some nice metadata in their
994 // posterous:author elements. We should use them instead of the channel.
996 $items = $feedEl->getElementsByTagName('item');
998 if ($items->length > 0) {
999 $item = $items->item(0);
1000 $authorEl = ActivityUtils::child($item, ActivityObject::AUTHOR, ActivityObject::POSTEROUS);
1001 if (!empty($authorEl)) {
1002 $obj = ActivityObject::fromPosterousAuthor($authorEl);
1003 // Posterous has multiple authors per feed, and multiple feeds
1004 // per author. We check if this is the "main" feed for this author.
1005 if (array_key_exists('profileurl', $hints) &&
1006 !empty($obj->poco) &&
1007 common_url_to_nickname($hints['profileurl']) == $obj->poco->preferredUsername) {
1008 return self::ensureActivityObjectProfile($obj, $hints);
1013 // @fixme we should check whether this feed has elements
1014 // with different <author> or <dc:creator> elements, and... I dunno.
1015 // Do something about that.
1017 $obj = ActivityObject::fromRssChannel($feedEl);
1019 return self::ensureActivityObjectProfile($obj, $hints);
1023 * Download and update given avatar image
1025 * @param string $url
1026 * @throws Exception in various failure cases
1028 protected function updateAvatar($url)
1030 if ($url == $this->avatar) {
1031 // We've already got this one.
1034 if (!common_valid_http_url($url)) {
1035 throw new ServerException(sprintf(_m("Invalid avatar URL %s."), $url));
1038 if ($this->isGroup()) {
1039 $self = $this->localGroup();
1041 $self = $this->localProfile();
1044 throw new ServerException(sprintf(
1045 _m("Tried to update avatar for unsaved remote profile %s."),
1049 // @fixme this should be better encapsulated
1050 // ripped from oauthstore.php (for old OMB client)
1051 $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
1052 if (!copy($url, $temp_filename)) {
1053 throw new ServerException(sprintf(_m("Unable to fetch avatar from %s."), $url));
1056 if ($this->isGroup()) {
1057 $id = $this->group_id;
1059 $id = $this->profile_id;
1061 // @fixme should we be using different ids?
1062 $imagefile = new ImageFile($id, $temp_filename);
1063 $filename = Avatar::filename($id,
1064 image_type_to_extension($imagefile->type),
1066 common_timestamp());
1067 rename($temp_filename, Avatar::path($filename));
1068 // @fixme hardcoded chmod is lame, but seems to be necessary to
1069 // keep from accidentally saving images from command-line (queues)
1070 // that can't be read from web server, which causes hard-to-notice
1071 // problems later on:
1073 // http://status.net/open-source/issues/2663
1074 chmod(Avatar::path($filename), 0644);
1076 $self->setOriginal($filename);
1078 $orig = clone($this);
1079 $this->avatar = $url;
1080 $this->update($orig);
1084 * Pull avatar URL from ActivityObject or profile hints
1086 * @param ActivityObject $object
1087 * @param array $hints
1088 * @return mixed URL string or false
1091 public static function getActivityObjectAvatar($object, $hints=array())
1093 if ($object->avatarLinks) {
1095 // Take the exact-size avatar, or the largest avatar, or the first avatar if all sizeless
1096 foreach ($object->avatarLinks as $avatar) {
1097 if ($avatar->width == AVATAR_PROFILE_SIZE && $avatar->height = AVATAR_PROFILE_SIZE) {
1102 if (!$best || $avatar->width > $best->width) {
1107 } else if (array_key_exists('avatar', $hints)) {
1108 return $hints['avatar'];
1114 * Get an appropriate avatar image source URL, if available.
1116 * @param ActivityObject $actor
1117 * @param DOMElement $feed
1121 protected static function getAvatar($actor, $feed)
1125 if ($actor->avatar) {
1126 $url = trim($actor->avatar);
1129 // Check <atom:logo> and <atom:icon> on the feed
1130 $els = $feed->childNodes();
1131 if ($els && $els->length) {
1132 for ($i = 0; $i < $els->length; $i++) {
1133 $el = $els->item($i);
1134 if ($el->namespaceURI == Activity::ATOM) {
1135 if (empty($url) && $el->localName == 'logo') {
1136 $url = trim($el->textContent);
1139 if (empty($icon) && $el->localName == 'icon') {
1140 // Use as a fallback
1141 $icon = trim($el->textContent);
1146 if ($icon && !$url) {
1151 $opts = array('allowed_schemes' => array('http', 'https'));
1152 if (Validate::uri($url, $opts)) {
1156 return common_path('plugins/OStatus/images/96px-Feed-icon.svg.png');
1160 * Fetch, or build if necessary, an Ostatus_profile for the actor
1161 * in a given Activity Streams activity.
1162 * This should never return null -- you will either get an object or
1163 * an exception will be thrown.
1165 * @param Activity $activity
1166 * @param string $feeduri if we already know the canonical feed URI!
1167 * @param string $salmonuri if we already know the salmon return channel URI
1168 * @return Ostatus_profile
1172 public static function ensureActorProfile($activity, $hints=array())
1174 return self::ensureActivityObjectProfile($activity->actor, $hints);
1178 * Fetch, or build if necessary, an Ostatus_profile for the profile
1179 * in a given Activity Streams object (can be subject, actor, or object).
1180 * This should never return null -- you will either get an object or
1181 * an exception will be thrown.
1183 * @param ActivityObject $object
1184 * @param array $hints additional discovery information passed from higher levels
1185 * @return Ostatus_profile
1189 public static function ensureActivityObjectProfile($object, $hints=array())
1191 $profile = self::getActivityObjectProfile($object);
1193 $profile->updateFromActivityObject($object, $hints);
1195 $profile = self::createActivityObjectProfile($object, $hints);
1201 * @param Activity $activity
1202 * @return mixed matching Ostatus_profile or false if none known
1203 * @throws ServerException if feed info invalid
1205 public static function getActorProfile($activity)
1207 return self::getActivityObjectProfile($activity->actor);
1211 * @param ActivityObject $activity
1212 * @return mixed matching Ostatus_profile or false if none known
1213 * @throws ServerException if feed info invalid
1215 protected static function getActivityObjectProfile($object)
1217 $uri = self::getActivityObjectProfileURI($object);
1218 return Ostatus_profile::staticGet('uri', $uri);
1222 * Get the identifier URI for the remote entity described
1223 * by this ActivityObject. This URI is *not* guaranteed to be
1224 * a resolvable HTTP/HTTPS URL.
1226 * @param ActivityObject $object
1228 * @throws ServerException if feed info invalid
1230 protected static function getActivityObjectProfileURI($object)
1233 if (ActivityUtils::validateUri($object->id)) {
1238 // If the id is missing or invalid (we've seen feeds mistakenly listing
1239 // things like local usernames in that field) then we'll use the profile
1240 // page link, if valid.
1241 if ($object->link && common_valid_http_url($object->link)) {
1242 return $object->link;
1244 throw new ServerException("No author ID URI found.");
1248 * @fixme validate stuff somewhere
1252 * Create local ostatus_profile and profile/user_group entries for
1253 * the provided remote user or group.
1254 * This should never return null -- you will either get an object or
1255 * an exception will be thrown.
1257 * @param ActivityObject $object
1258 * @param array $hints
1260 * @return Ostatus_profile
1262 protected static function createActivityObjectProfile($object, $hints=array())
1264 $homeuri = $object->id;
1268 common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
1269 throw new Exception("No profile URI");
1272 $user = User::staticGet('uri', $homeuri);
1274 // @todo i18n FIXME: add i18n.
1275 throw new Exception("Local user can't be referenced as remote.");
1278 if (OStatusPlugin::localGroupFromUrl($homeuri)) {
1279 // @todo i18n FIXME: add i18n.
1280 throw new Exception("Local group can't be referenced as remote.");
1283 if (array_key_exists('feedurl', $hints)) {
1284 $feeduri = $hints['feedurl'];
1286 $discover = new FeedDiscovery();
1287 $feeduri = $discover->discoverFromURL($homeuri);
1290 if (array_key_exists('salmon', $hints)) {
1291 $salmonuri = $hints['salmon'];
1294 $discover = new FeedDiscovery();
1295 $discover->discoverFromFeedURL($hints['feedurl']);
1297 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
1300 if (array_key_exists('hub', $hints)) {
1301 $huburi = $hints['hub'];
1304 $discover = new FeedDiscovery();
1305 $discover->discoverFromFeedURL($hints['feedurl']);
1307 $huburi = $discover->getHubLink();
1310 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
1311 // We can only deal with folks with a PuSH hub
1312 throw new FeedSubNoHubException();
1315 $oprofile = new Ostatus_profile();
1317 $oprofile->uri = $homeuri;
1318 $oprofile->feeduri = $feeduri;
1319 $oprofile->salmonuri = $salmonuri;
1321 $oprofile->created = common_sql_now();
1322 $oprofile->modified = common_sql_now();
1324 if ($object->type == ActivityObject::PERSON) {
1325 $profile = new Profile();
1326 $profile->created = common_sql_now();
1327 self::updateProfile($profile, $object, $hints);
1329 $oprofile->profile_id = $profile->insert();
1330 if (!$oprofile->profile_id) {
1331 // @todo i18n FIXME: add i18n.
1332 throw new ServerException("Can't save local profile.");
1335 $group = new User_group();
1336 $group->uri = $homeuri;
1337 $group->created = common_sql_now();
1338 self::updateGroup($group, $object, $hints);
1340 $oprofile->group_id = $group->insert();
1341 if (!$oprofile->group_id) {
1342 // @todo i18n FIXME: add i18n.
1343 throw new ServerException("Can't save local profile.");
1347 $ok = $oprofile->insert();
1350 // @todo i18n FIXME: add i18n.
1351 throw new ServerException("Can't save OStatus profile.");
1354 $avatar = self::getActivityObjectAvatar($object, $hints);
1358 $oprofile->updateAvatar($avatar);
1359 } catch (Exception $ex) {
1360 // Profile is saved, but Avatar is messed up. We're
1361 // just going to continue.
1362 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: ". $ex->getMessage());
1370 * Save any updated profile information to our local copy.
1371 * @param ActivityObject $object
1372 * @param array $hints
1374 public function updateFromActivityObject($object, $hints=array())
1376 if ($this->isGroup()) {
1377 $group = $this->localGroup();
1378 self::updateGroup($group, $object, $hints);
1380 $profile = $this->localProfile();
1381 self::updateProfile($profile, $object, $hints);
1383 $avatar = self::getActivityObjectAvatar($object, $hints);
1386 $this->updateAvatar($avatar);
1387 } catch (Exception $ex) {
1388 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: " . $ex->getMessage());
1393 public static function updateProfile($profile, $object, $hints=array())
1395 $orig = clone($profile);
1397 $profile->nickname = self::getActivityObjectNickname($object, $hints);
1399 if (!empty($object->title)) {
1400 $profile->fullname = $object->title;
1401 } else if (array_key_exists('fullname', $hints)) {
1402 $profile->fullname = $hints['fullname'];
1405 if (!empty($object->link)) {
1406 $profile->profileurl = $object->link;
1407 } else if (array_key_exists('profileurl', $hints)) {
1408 $profile->profileurl = $hints['profileurl'];
1409 } else if (Validate::uri($object->id, array('allowed_schemes' => array('http', 'https')))) {
1410 $profile->profileurl = $object->id;
1413 $profile->bio = self::getActivityObjectBio($object, $hints);
1414 $profile->location = self::getActivityObjectLocation($object, $hints);
1415 $profile->homepage = self::getActivityObjectHomepage($object, $hints);
1417 if (!empty($object->geopoint)) {
1418 $location = ActivityContext::locationFromPoint($object->geopoint);
1419 if (!empty($location)) {
1420 $profile->lat = $location->lat;
1421 $profile->lon = $location->lon;
1425 // @fixme tags/categories
1426 // @todo tags from categories
1429 common_log(LOG_DEBUG, "Updating OStatus profile $profile->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1430 $profile->update($orig);
1434 protected static function updateGroup($group, $object, $hints=array())
1436 $orig = clone($group);
1438 $group->nickname = self::getActivityObjectNickname($object, $hints);
1439 $group->fullname = $object->title;
1441 if (!empty($object->link)) {
1442 $group->mainpage = $object->link;
1443 } else if (array_key_exists('profileurl', $hints)) {
1444 $group->mainpage = $hints['profileurl'];
1447 // @todo tags from categories
1448 $group->description = self::getActivityObjectBio($object, $hints);
1449 $group->location = self::getActivityObjectLocation($object, $hints);
1450 $group->homepage = self::getActivityObjectHomepage($object, $hints);
1453 common_log(LOG_DEBUG, "Updating OStatus group $group->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1454 $group->update($orig);
1458 protected static function getActivityObjectHomepage($object, $hints=array())
1461 $poco = $object->poco;
1463 if (!empty($poco)) {
1464 $url = $poco->getPrimaryURL();
1465 if ($url && $url->type == 'homepage') {
1466 $homepage = $url->value;
1470 // @todo Try for a another PoCo URL?
1475 protected static function getActivityObjectLocation($object, $hints=array())
1479 if (!empty($object->poco) &&
1480 isset($object->poco->address->formatted)) {
1481 $location = $object->poco->address->formatted;
1482 } else if (array_key_exists('location', $hints)) {
1483 $location = $hints['location'];
1486 if (!empty($location)) {
1487 if (mb_strlen($location) > 255) {
1488 $location = mb_substr($note, 0, 255 - 3) . ' … ';
1492 // @todo Try to find location some othe way? Via goerss point?
1497 protected static function getActivityObjectBio($object, $hints=array())
1501 if (!empty($object->poco)) {
1502 $note = $object->poco->note;
1503 } else if (array_key_exists('bio', $hints)) {
1504 $note = $hints['bio'];
1507 if (!empty($note)) {
1508 if (Profile::bioTooLong($note)) {
1509 // XXX: truncate ok?
1510 $bio = mb_substr($note, 0, Profile::maxBio() - 3) . ' … ';
1516 // @todo Try to get bio info some other way?
1521 public static function getActivityObjectNickname($object, $hints=array())
1523 if ($object->poco) {
1524 if (!empty($object->poco->preferredUsername)) {
1525 return common_nicknamize($object->poco->preferredUsername);
1529 if (!empty($object->nickname)) {
1530 return common_nicknamize($object->nickname);
1533 if (array_key_exists('nickname', $hints)) {
1534 return $hints['nickname'];
1537 // Try the profile url (like foo.example.com or example.com/user/foo)
1539 $profileUrl = ($object->link) ? $object->link : $hints['profileurl'];
1541 if (!empty($profileUrl)) {
1542 $nickname = self::nicknameFromURI($profileUrl);
1545 // Try the URI (may be a tag:, http:, acct:, ...
1547 if (empty($nickname)) {
1548 $nickname = self::nicknameFromURI($object->id);
1551 // Try a Webfinger if one was passed (way) down
1553 if (empty($nickname)) {
1554 if (array_key_exists('webfinger', $hints)) {
1555 $nickname = self::nicknameFromURI($hints['webfinger']);
1561 if (empty($nickname)) {
1562 $nickname = common_nicknamize($object->title);
1568 protected static function nicknameFromURI($uri)
1570 preg_match('/(\w+):/', $uri, $matches);
1572 $protocol = $matches[1];
1574 switch ($protocol) {
1577 if (preg_match("/^$protocol:(.*)?@.*\$/", $uri, $matches)) {
1578 return common_canonical_nickname($matches[1]);
1582 return common_url_to_nickname($uri);
1590 * Look up, and if necessary create, an Ostatus_profile for the remote
1591 * entity with the given webfinger address.
1592 * This should never return null -- you will either get an object or
1593 * an exception will be thrown.
1595 * @param string $addr webfinger address
1596 * @return Ostatus_profile
1597 * @throws Exception on error conditions
1598 * @throws OStatusShadowException if this reference would obscure a local user/group
1600 public static function ensureWebfinger($addr)
1602 // First, try the cache
1604 $uri = self::cacheGet(sprintf('ostatus_profile:webfinger:%s', $addr));
1606 if ($uri !== false) {
1607 if (is_null($uri)) {
1608 // Negative cache entry
1609 // @todo i18n FIXME: add i18n.
1610 throw new Exception('Not a valid webfinger address.');
1612 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1613 if (!empty($oprofile)) {
1618 // Try looking it up
1620 $oprofile = Ostatus_profile::staticGet('uri', 'acct:'.$addr);
1622 if (!empty($oprofile)) {
1623 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1627 // Now, try some discovery
1629 $disco = new Discovery();
1632 $xrd = $disco->lookup($addr);
1633 } catch (Exception $e) {
1634 // Save negative cache entry so we don't waste time looking it up again.
1635 // @fixme distinguish temporary failures?
1636 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), null);
1637 // @todo i18n FIXME: add i18n.
1638 throw new Exception('Not a valid webfinger address.');
1641 $hints = array('webfinger' => $addr);
1643 $dhints = DiscoveryHints::fromXRD($xrd);
1645 $hints = array_merge($hints, $dhints);
1647 // If there's an Hcard, let's grab its info
1649 if (array_key_exists('hcard', $hints)) {
1650 if (!array_key_exists('profileurl', $hints) ||
1651 $hints['hcard'] != $hints['profileurl']) {
1652 $hcardHints = DiscoveryHints::fromHcardUrl($hints['hcard']);
1653 $hints = array_merge($hcardHints, $hints);
1657 // If we got a feed URL, try that
1659 if (array_key_exists('feedurl', $hints)) {
1661 common_log(LOG_INFO, "Discovery on acct:$addr with feed URL " . $hints['feedurl']);
1662 $oprofile = self::ensureFeedURL($hints['feedurl'], $hints);
1663 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1665 } catch (Exception $e) {
1666 common_log(LOG_WARNING, "Failed creating profile from feed URL '$feedUrl': " . $e->getMessage());
1671 // If we got a profile page, try that!
1673 if (array_key_exists('profileurl', $hints)) {
1675 common_log(LOG_INFO, "Discovery on acct:$addr with profile URL $profileUrl");
1676 $oprofile = self::ensureProfileURL($hints['profileurl'], $hints);
1677 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1679 } catch (OStatusShadowException $e) {
1680 // We've ended up with a remote reference to a local user or group.
1681 // @fixme ideally we should be able to say who it was so we can
1682 // go back and refer to it the regular way
1684 } catch (Exception $e) {
1685 common_log(LOG_WARNING, "Failed creating profile from profile URL '$profileUrl': " . $e->getMessage());
1688 // @fixme this means an error discovering from profile page
1689 // may give us a corrupt entry using the webfinger URI, which
1690 // will obscure the correct page-keyed profile later on.
1697 if (array_key_exists('salmon', $hints)) {
1699 $salmonEndpoint = $hints['salmon'];
1701 // An account URL, a salmon endpoint, and a dream? Not much to go
1702 // on, but let's give it a try
1704 $uri = 'acct:'.$addr;
1706 $profile = new Profile();
1708 $profile->nickname = self::nicknameFromUri($uri);
1709 $profile->created = common_sql_now();
1711 if (isset($profileUrl)) {
1712 $profile->profileurl = $profileUrl;
1715 $profile_id = $profile->insert();
1718 common_log_db_error($profile, 'INSERT', __FILE__);
1719 // @todo i18n FIXME: add i18n and use sprintf for parameter.
1720 throw new Exception("Couldn't save profile for '$addr'.");
1723 $oprofile = new Ostatus_profile();
1725 $oprofile->uri = $uri;
1726 $oprofile->salmonuri = $salmonEndpoint;
1727 $oprofile->profile_id = $profile_id;
1728 $oprofile->created = common_sql_now();
1730 if (isset($feedUrl)) {
1731 $profile->feeduri = $feedUrl;
1734 $result = $oprofile->insert();
1737 common_log_db_error($oprofile, 'INSERT', __FILE__);
1738 // @todo i18n FIXME: add i18n and use sprintf for parameter.
1739 throw new Exception("Couldn't save ostatus_profile for '$addr'.");
1742 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1746 // @todo i18n FIXME: add i18n and use sprintf for parameter.
1747 throw new Exception("Couldn't find a valid profile for '$addr'");
1751 * Store the full-length scrubbed HTML of a remote notice to an attachment
1752 * file on our server. We'll link to this at the end of the cropped version.
1754 * @param string $title plaintext for HTML page's title
1755 * @param string $rendered HTML fragment for HTML page's body
1758 function saveHTMLFile($title, $rendered)
1760 $final = sprintf("<!DOCTYPE html>\n" .
1762 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">' .
1763 '<title>%s</title>' .
1765 '<body>%s</body></html>',
1766 htmlspecialchars($title),
1769 $filename = File::filename($this->localProfile(),
1770 'ostatus', // ignored?
1773 $filepath = File::path($filename);
1775 file_put_contents($filepath, $final);
1779 $file->filename = $filename;
1780 $file->url = File::url($filename);
1781 $file->size = filesize($filepath);
1782 $file->date = time();
1783 $file->mimetype = 'text/html';
1785 $file_id = $file->insert();
1787 if ($file_id === false) {
1788 common_log_db_error($file, "INSERT", __FILE__);
1789 throw new ServerException(_('Could not store HTML content of long post as file.'));
1795 static function ensureProfileURI($uri)
1799 // First, try to query it
1801 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1803 // If unfound, do discovery stuff
1805 if (empty($oprofile)) {
1806 if (preg_match("/^(\w+)\:(.*)/", $uri, $match)) {
1807 $protocol = $match[1];
1808 switch ($protocol) {
1811 $oprofile = Ostatus_profile::ensureProfileURL($uri);
1816 $oprofile = Ostatus_profile::ensureWebfinger($rest);
1818 common_log("Unrecognized URI protocol for profile: $protocol ($uri)");
1828 * Exception indicating we've got a remote reference to a local user,
1829 * not a remote user!
1831 * If we can ue a local profile after all, it's available as $e->profile.
1833 class OStatusShadowException extends Exception
1838 * @param Profile $profile
1839 * @param string $message
1841 function __construct($profile, $message) {
1842 $this->profile = $profile;
1843 parent::__construct($message);