3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2009-2010, StatusNet, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('STATUSNET')) {
25 * @package OStatusPlugin
26 * @maintainer Brion Vibber <brion@status.net>
29 class Ostatus_profile extends Managed_DataObject
31 public $__table = 'ostatus_profile';
40 public $avatar; // remote URL of the last avatar we saved
45 public /*static*/ function staticGet($k, $v=null)
47 return parent::staticGet(__CLASS__, $k, $v);
51 * Return table definition for Schema setup and DB_DataObject usage.
53 * @return array array of column definitions
56 static function schemaDef()
60 'uri' => array('type' => 'varchar', 'length' => 255, 'not null' => true),
61 'profile_id' => array('type' => 'integer'),
62 'group_id' => array('type' => 'integer'),
63 'feeduri' => array('type' => 'varchar', 'length' => 255),
64 'salmonuri' => array('type' => 'varchar', 'length' => 255),
65 'avatar' => array('type' => 'text'),
66 'created' => array('type' => 'datetime', 'not null' => true),
67 'modified' => array('type' => 'datetime', 'not null' => true),
69 'primary key' => array('uri'),
70 'unique keys' => array(
71 'ostatus_profile_profile_id_idx' => array('profile_id'),
72 'ostatus_profile_group_id_idx' => array('group_id'),
73 'ostatus_profile_feeduri_idx' => array('feeduri'),
75 'foreign keys' => array(
76 'profile_id' => array('profile' => 'id'),
77 'group_id' => array('user_group' => 'id'),
83 * Fetch the StatusNet-side profile for this feed
86 public function localProfile()
88 if ($this->profile_id) {
89 return Profile::staticGet('id', $this->profile_id);
95 * Fetch the StatusNet-side profile for this feed
98 public function localGroup()
100 if ($this->group_id) {
101 return User_group::staticGet('id', $this->group_id);
107 * Returns an ActivityObject describing this remote user or group profile.
108 * Can then be used to generate Atom chunks.
110 * @return ActivityObject
112 function asActivityObject()
114 if ($this->isGroup()) {
115 return ActivityObject::fromGroup($this->localGroup());
117 return ActivityObject::fromProfile($this->localProfile());
122 * Returns an XML string fragment with profile information as an
123 * Activity Streams noun object with the given element type.
125 * Assumes that 'activity' namespace has been previously defined.
127 * @fixme replace with wrappers on asActivityObject when it's got everything.
129 * @param string $element one of 'actor', 'subject', 'object', 'target'
132 function asActivityNoun($element)
134 if ($this->isGroup()) {
135 $noun = ActivityObject::fromGroup($this->localGroup());
136 return $noun->asString('activity:' . $element);
138 $noun = ActivityObject::fromProfile($this->localProfile());
139 return $noun->asString('activity:' . $element);
144 * @return boolean true if this is a remote group
148 if ($this->profile_id && !$this->group_id) {
150 } else if ($this->group_id && !$this->profile_id) {
152 } else if ($this->group_id && $this->profile_id) {
153 // TRANS: Server exception.
154 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: both group and profile IDs set for %s.'),$this->uri));
156 // TRANS: Server exception.
157 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: both group and profile IDs empty for %s.'),$this->uri));
162 * Send a subscription request to the hub for this feed.
163 * The hub will later send us a confirmation POST to /main/push/callback.
165 * @return bool true on success, false on failure
166 * @throws ServerException if feed state is not valid
168 public function subscribe()
170 $feedsub = FeedSub::ensureFeed($this->feeduri);
171 if ($feedsub->sub_state == 'active') {
172 // Active subscription, we don't need to do anything.
175 // Inactive or we got left in an inconsistent state.
176 // Run a subscription request to make sure we're current!
177 return $feedsub->subscribe();
182 * Check if this remote profile has any active local subscriptions, and
183 * if not drop the PuSH subscription feed.
185 * @return bool true on success, false on failure
187 public function unsubscribe() {
188 $this->garbageCollect();
192 * Check if this remote profile has any active local subscriptions, and
193 * if not drop the PuSH subscription feed.
197 public function garbageCollect()
199 $feedsub = FeedSub::staticGet('uri', $this->feeduri);
200 return $feedsub->garbageCollect();
204 * Check if this remote profile has any active local subscriptions, so the
205 * PuSH subscription layer can decide if it can drop the feed.
207 * This gets called via the FeedSubSubscriberCount event when running
208 * FeedSub::garbageCollect().
212 public function subscriberCount()
214 if ($this->isGroup()) {
215 $members = $this->localGroup()->getMembers(0, 1);
216 $count = $members->N;
218 $count = $this->localProfile()->subscriberCount();
220 common_log(LOG_INFO, __METHOD__ . " SUB COUNT BEFORE: $count");
222 // Other plugins may be piggybacking on OStatus without having
223 // an active group or user-to-user subscription we know about.
224 Event::handle('Ostatus_profileSubscriberCount', array($this, &$count));
225 common_log(LOG_INFO, __METHOD__ . " SUB COUNT AFTER: $count");
231 * Send an Activity Streams notification to the remote Salmon endpoint,
234 * @param Profile $actor Actor who did the activity
235 * @param string $verb Activity::SUBSCRIBE or Activity::JOIN
236 * @param Object $object object of the action; must define asActivityNoun($tag)
238 public function notify($actor, $verb, $object=null)
240 if (!($actor instanceof Profile)) {
241 $type = gettype($actor);
242 if ($type == 'object') {
243 $type = get_class($actor);
245 // TRANS: Server exception.
246 // TRANS: %1$s is the method name the exception occured in, %2$s is the actor type.
247 throw new ServerException(sprintf(_m('Invalid actor passed to %1$s: %2$s.'),__METHOD__,$type));
249 if ($object == null) {
252 if ($this->salmonuri) {
255 $id = TagURI::mint('%s:%s:%s',
258 common_date_iso8601(time()));
260 // @fixme consolidate all these NS settings somewhere
261 $attributes = array('xmlns' => Activity::ATOM,
262 'xmlns:activity' => 'http://activitystrea.ms/spec/1.0/',
263 'xmlns:thr' => 'http://purl.org/syndication/thread/1.0',
264 'xmlns:georss' => 'http://www.georss.org/georss',
265 'xmlns:ostatus' => 'http://ostatus.org/schema/1.0',
266 'xmlns:poco' => 'http://portablecontacts.net/spec/1.0',
267 'xmlns:media' => 'http://purl.org/syndication/atommedia');
269 $entry = new XMLStringer();
270 $entry->elementStart('entry', $attributes);
271 $entry->element('id', null, $id);
272 $entry->element('title', null, $text);
273 $entry->element('summary', null, $text);
274 $entry->element('published', null, common_date_w3dtf(common_sql_now()));
276 $entry->element('activity:verb', null, $verb);
277 $entry->raw($actor->asAtomAuthor());
278 $entry->raw($actor->asActivityActor());
279 $entry->raw($object->asActivityNoun('object'));
280 $entry->elementEnd('entry');
282 $xml = $entry->getString();
283 common_log(LOG_INFO, "Posting to Salmon endpoint $this->salmonuri: $xml");
285 $salmon = new Salmon(); // ?
286 return $salmon->post($this->salmonuri, $xml, $actor);
292 * Send a Salmon notification ping immediately, and confirm that we got
293 * an acceptable response from the remote site.
295 * @param mixed $entry XML string, Notice, or Activity
296 * @return boolean success
298 public function notifyActivity($entry, $actor)
300 if ($this->salmonuri) {
301 $salmon = new Salmon();
302 return $salmon->post($this->salmonuri, $this->notifyPrepXml($entry), $actor);
309 * Queue a Salmon notification for later. If queues are disabled we'll
310 * send immediately but won't get the return value.
312 * @param mixed $entry XML string, Notice, or Activity
313 * @return boolean success
315 public function notifyDeferred($entry, $actor)
317 if ($this->salmonuri) {
318 $data = array('salmonuri' => $this->salmonuri,
319 'entry' => $this->notifyPrepXml($entry),
320 'actor' => $actor->id);
322 $qm = QueueManager::get();
323 return $qm->enqueue($data, 'salmon');
329 protected function notifyPrepXml($entry)
331 $preamble = '<?xml version="1.0" encoding="UTF-8" ?' . '>';
332 if (is_string($entry)) {
334 } else if ($entry instanceof Activity) {
335 return $preamble . $entry->asString(true);
336 } else if ($entry instanceof Notice) {
337 return $preamble . $entry->asAtomEntry(true, true);
339 // TRANS: Server exception.
340 throw new ServerException(_m('Invalid type passed to Ostatus_profile::notify. It must be XML string or Activity entry.'));
344 function getBestName()
346 if ($this->isGroup()) {
347 return $this->localGroup()->getBestName();
349 return $this->localProfile()->getBestName();
354 * Read and post notices for updates from the feed.
355 * Currently assumes that all items in the feed are new,
356 * coming from a PuSH hub.
358 * @param DOMDocument $doc
359 * @param string $source identifier ("push")
361 public function processFeed(DOMDocument $doc, $source)
363 $feed = $doc->documentElement;
365 if ($feed->localName == 'feed' && $feed->namespaceURI == Activity::ATOM) {
366 $this->processAtomFeed($feed, $source);
367 } else if ($feed->localName == 'rss') { // @fixme check namespace
368 $this->processRssFeed($feed, $source);
370 throw new Exception(_m('Unknown feed format.'));
374 public function processAtomFeed(DOMElement $feed, $source)
376 $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
377 if ($entries->length == 0) {
378 common_log(LOG_ERR, __METHOD__ . ": no entries in feed update, ignoring");
382 for ($i = 0; $i < $entries->length; $i++) {
383 $entry = $entries->item($i);
384 $this->processEntry($entry, $feed, $source);
388 public function processRssFeed(DOMElement $rss, $source)
390 $channels = $rss->getElementsByTagName('channel');
392 if ($channels->length == 0) {
393 throw new Exception(_m('RSS feed without a channel.'));
394 } else if ($channels->length > 1) {
395 common_log(LOG_WARNING, __METHOD__ . ": more than one channel in an RSS feed");
398 $channel = $channels->item(0);
400 $items = $channel->getElementsByTagName('item');
402 for ($i = 0; $i < $items->length; $i++) {
403 $item = $items->item($i);
404 $this->processEntry($item, $channel, $source);
409 * Process a posted entry from this feed source.
411 * @param DOMElement $entry
412 * @param DOMElement $feed for context
413 * @param string $source identifier ("push" or "salmon")
416 public function processEntry($entry, $feed, $source)
418 $activity = new Activity($entry, $feed);
420 if (Event::handle('StartHandleFeedEntry', array($activity))) {
422 // @todo process all activity objects
423 switch ($activity->objects[0]->type) {
424 case ActivityObject::ARTICLE:
425 case ActivityObject::BLOGENTRY:
426 case ActivityObject::NOTE:
427 case ActivityObject::STATUS:
428 case ActivityObject::COMMENT:
430 if ($activity->verb == ActivityVerb::POST) {
431 $this->processPost($activity, $source);
433 common_log(LOG_INFO, "Ignoring activity with unrecognized verb $activity->verb");
437 // TRANS: Client exception.
438 throw new ClientException(_m('Can\'t handle that kind of post.'));
441 Event::handle('EndHandleFeedEntry', array($activity));
446 * Process an incoming post activity from this remote feed.
447 * @param Activity $activity
448 * @param string $method 'push' or 'salmon'
449 * @return mixed saved Notice or false
450 * @fixme break up this function, it's getting nasty long
452 public function processPost($activity, $method)
454 if ($this->isGroup()) {
455 // A group feed will contain posts from multiple authors.
456 // @fixme validate these profiles in some way!
457 $oprofile = self::ensureActorProfile($activity);
458 if ($oprofile->isGroup()) {
459 // Groups can't post notices in StatusNet.
460 common_log(LOG_WARNING, "OStatus: skipping post with group listed as author: $oprofile->uri in feed from $this->uri");
464 $actor = $activity->actor;
467 // OK here! assume the default
468 } else if ($actor->id == $this->uri || $actor->link == $this->uri) {
469 $this->updateFromActivityObject($actor);
470 } else if ($actor->id) {
471 // We have an ActivityStreams actor with an explicit ID that doesn't match the feed owner.
472 // This isn't what we expect from mainline OStatus person feeds!
473 // Group feeds go down another path, with different validation...
474 // Most likely this is a plain ol' blog feed of some kind which
475 // doesn't match our expectations. We'll take the entry, but ignore
476 // the <author> info.
477 common_log(LOG_WARNING, "Got an actor '{$actor->title}' ({$actor->id}) on single-user feed for {$this->uri}");
479 // Plain <author> without ActivityStreams actor info.
480 // We'll just ignore this info for now and save the update under the feed's identity.
486 // It's not always an ActivityObject::NOTE, but... let's just say it is.
488 $note = $activity->objects[0];
490 // The id URI will be used as a unique identifier for for the notice,
491 // protecting against duplicate saves. It isn't required to be a URL;
492 // tag: URIs for instance are found in Google Buzz feeds.
493 $sourceUri = $note->id;
494 $dupe = Notice::staticGet('uri', $sourceUri);
496 common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
500 // We'll also want to save a web link to the original notice, if provided.
503 $sourceUrl = $note->link;
504 } else if ($activity->link) {
505 $sourceUrl = $activity->link;
506 } else if (preg_match('!^https?://!', $note->id)) {
507 $sourceUrl = $note->id;
510 // Use summary as fallback for content
512 if (!empty($note->content)) {
513 $sourceContent = $note->content;
514 } else if (!empty($note->summary)) {
515 $sourceContent = $note->summary;
516 } else if (!empty($note->title)) {
517 $sourceContent = $note->title;
519 // @fixme fetch from $sourceUrl?
520 // TRANS: Client exception. %s is a source URL.
521 throw new ClientException(sprintf(_m('No content for notice %s.'),$sourceUri));
524 // Get (safe!) HTML and text versions of the content
526 $rendered = $this->purify($sourceContent);
527 $content = html_entity_decode(strip_tags($rendered), ENT_QUOTES, 'UTF-8');
529 $shortened = common_shorten_links($content);
531 // If it's too long, try using the summary, and make the
532 // HTML an attachment.
536 if (Notice::contentTooLong($shortened)) {
537 $attachment = $this->saveHTMLFile($note->title, $rendered);
538 $summary = html_entity_decode(strip_tags($note->summary), ENT_QUOTES, 'UTF-8');
539 if (empty($summary)) {
542 $shortSummary = common_shorten_links($summary);
543 if (Notice::contentTooLong($shortSummary)) {
544 $url = common_shorten_url($sourceUrl);
545 $shortSummary = substr($shortSummary,
547 Notice::maxContent() - (mb_strlen($url) + 2));
548 $content = $shortSummary . ' ' . $url;
550 // We mark up the attachment link specially for the HTML output
551 // so we can fold-out the full version inline.
553 // TRANS: Shown when a notice is longer than supported and/or when attachments are present.
554 $showMoreText = _m('Show more');
555 $attachUrl = common_local_url('attachment',
556 array('attachment' => $attachment->id));
557 $rendered = common_render_text($shortSummary) .
558 '<a href="' . htmlspecialchars($attachUrl) .'"'.
559 ' class="attachment more"' .
560 ' title="'. htmlspecialchars($showMoreText) . '">' .
566 $options = array('is_local' => Notice::REMOTE_OMB,
569 'rendered' => $rendered,
570 'replies' => array(),
575 // Check for optional attributes...
577 if (!empty($activity->time)) {
578 $options['created'] = common_sql_date($activity->time);
581 if ($activity->context) {
582 // Any individual or group attn: targets?
583 $replies = $activity->context->attention;
584 $options['groups'] = $this->filterReplies($oprofile, $replies);
585 $options['replies'] = $replies;
587 // Maintain direct reply associations
588 // @fixme what about conversation ID?
589 if (!empty($activity->context->replyToID)) {
590 $orig = Notice::staticGet('uri',
591 $activity->context->replyToID);
593 $options['reply_to'] = $orig->id;
597 $location = $activity->context->location;
599 $options['lat'] = $location->lat;
600 $options['lon'] = $location->lon;
601 if ($location->location_id) {
602 $options['location_ns'] = $location->location_ns;
603 $options['location_id'] = $location->location_id;
608 // Atom categories <-> hashtags
609 foreach ($activity->categories as $cat) {
611 $term = common_canonical_tag($cat->term);
613 $options['tags'][] = $term;
618 // Atom enclosures -> attachment URLs
619 foreach ($activity->enclosures as $href) {
620 // @fixme save these locally or....?
621 $options['urls'][] = $href;
625 $saved = Notice::saveNew($oprofile->profile_id,
630 Ostatus_source::saveNew($saved, $this, $method);
631 if (!empty($attachment)) {
632 File_to_post::processNew($attachment->id, $saved->id);
635 } catch (Exception $e) {
636 common_log(LOG_ERR, "OStatus save of remote message $sourceUri failed: " . $e->getMessage());
639 common_log(LOG_INFO, "OStatus saved remote message $sourceUri as notice id $saved->id");
646 protected function purify($html)
648 require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
649 $config = array('safe' => 1,
650 'deny_attribute' => 'id,style,on*');
651 return htmLawed($html, $config);
655 * Filters a list of recipient ID URIs to just those for local delivery.
656 * @param Ostatus_profile local profile of sender
657 * @param array in/out &$attention_uris set of URIs, will be pruned on output
658 * @return array of group IDs
660 protected function filterReplies($sender, &$attention_uris)
662 common_log(LOG_DEBUG, "Original reply recipients: " . implode(', ', $attention_uris));
665 foreach (array_unique($attention_uris) as $recipient) {
666 // Is the recipient a local user?
667 $user = User::staticGet('uri', $recipient);
669 // @fixme sender verification, spam etc?
670 $replies[] = $recipient;
674 // Is the recipient a local group?
675 // $group = User_group::staticGet('uri', $recipient);
676 $id = OStatusPlugin::localGroupFromUrl($recipient);
678 $group = User_group::staticGet('id', $id);
680 // Deliver to all members of this local group if allowed.
681 $profile = $sender->localProfile();
682 if ($profile->isMember($group)) {
683 $groups[] = $group->id;
685 common_log(LOG_DEBUG, "Skipping reply to local group $group->nickname as sender $profile->id is not a member");
689 common_log(LOG_DEBUG, "Skipping reply to bogus group $recipient");
693 // Is the recipient a remote user or group?
695 $oprofile = Ostatus_profile::ensureProfileURI($recipient);
696 if ($oprofile->isGroup()) {
697 // Deliver to local members of this remote group.
698 // @fixme sender verification?
699 $groups[] = $oprofile->group_id;
701 // may be canonicalized or something
702 $replies[] = $oprofile->uri;
705 } catch (Exception $e) {
706 // Neither a recognizable local nor remote user!
707 common_log(LOG_DEBUG, "Skipping reply to unrecognized profile $recipient: " . $e->getMessage());
711 $attention_uris = $replies;
712 common_log(LOG_DEBUG, "Local reply recipients: " . implode(', ', $replies));
713 common_log(LOG_DEBUG, "Local group recipients: " . implode(', ', $groups));
718 * Look up and if necessary create an Ostatus_profile for the remote entity
719 * with the given profile page URL. This should never return null -- you
720 * will either get an object or an exception will be thrown.
722 * @param string $profile_url
723 * @return Ostatus_profile
724 * @throws Exception on various error conditions
725 * @throws OStatusShadowException if this reference would obscure a local user/group
728 public static function ensureProfileURL($profile_url, $hints=array())
730 $oprofile = self::getFromProfileURL($profile_url);
732 if (!empty($oprofile)) {
736 $hints['profileurl'] = $profile_url;
741 $client = new HTTPClient();
742 $client->setHeader('Accept', 'text/html,application/xhtml+xml');
743 $response = $client->get($profile_url);
745 if (!$response->isOk()) {
746 // TRANS: Exception. %s is a profile URL.
747 throw new Exception(sprintf(_m('Could not reach profile page %s.'),$profile_url));
750 // Check if we have a non-canonical URL
752 $finalUrl = $response->getUrl();
754 if ($finalUrl != $profile_url) {
756 $hints['profileurl'] = $finalUrl;
758 $oprofile = self::getFromProfileURL($finalUrl);
760 if (!empty($oprofile)) {
765 // Try to get some hCard data
767 $body = $response->getBody();
769 $hcardHints = DiscoveryHints::hcardHints($body, $finalUrl);
771 if (!empty($hcardHints)) {
772 $hints = array_merge($hints, $hcardHints);
775 // Check if they've got an LRDD header
777 $lrdd = LinkHeader::getLink($response, 'lrdd', 'application/xrd+xml');
781 $xrd = Discovery::fetchXrd($lrdd);
782 $xrdHints = DiscoveryHints::fromXRD($xrd);
784 $hints = array_merge($hints, $xrdHints);
787 // If discovery found a feedurl (probably from LRDD), use it.
789 if (array_key_exists('feedurl', $hints)) {
790 return self::ensureFeedURL($hints['feedurl'], $hints);
793 // Get the feed URL from HTML
795 $discover = new FeedDiscovery();
797 $feedurl = $discover->discoverFromHTML($finalUrl, $body);
799 if (!empty($feedurl)) {
800 $hints['feedurl'] = $feedurl;
801 return self::ensureFeedURL($feedurl, $hints);
805 throw new Exception(sprintf(_m('Could not find a feed URL for profile page %s.'),$finalUrl));
809 * Look up the Ostatus_profile, if present, for a remote entity with the
810 * given profile page URL. Will return null for both unknown and invalid
813 * @return mixed Ostatus_profile or null
814 * @throws OStatusShadowException for local profiles
816 static function getFromProfileURL($profile_url)
818 $profile = Profile::staticGet('profileurl', $profile_url);
820 if (empty($profile)) {
824 // Is it a known Ostatus profile?
826 $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
828 if (!empty($oprofile)) {
832 // Is it a local user?
834 $user = User::staticGet('id', $profile->id);
837 // @todo i18n FIXME: use sprintf and add i18n (?)
838 throw new OStatusShadowException($profile, "'$profile_url' is the profile for local user '{$user->nickname}'.");
841 // Continue discovery; it's a remote profile
842 // for OMB or some other protocol, may also
849 * Look up and if necessary create an Ostatus_profile for remote entity
850 * with the given update feed. This should never return null -- you will
851 * either get an object or an exception will be thrown.
853 * @return Ostatus_profile
856 public static function ensureFeedURL($feed_url, $hints=array())
858 $discover = new FeedDiscovery();
860 $feeduri = $discover->discoverFromFeedURL($feed_url);
861 $hints['feedurl'] = $feeduri;
863 $huburi = $discover->getHubLink();
864 $hints['hub'] = $huburi;
865 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
866 $hints['salmon'] = $salmonuri;
868 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
869 // We can only deal with folks with a PuSH hub
870 throw new FeedSubNoHubException();
873 $feedEl = $discover->root;
875 if ($feedEl->tagName == 'feed') {
876 return self::ensureAtomFeed($feedEl, $hints);
877 } else if ($feedEl->tagName == 'channel') {
878 return self::ensureRssChannel($feedEl, $hints);
880 throw new FeedSubBadXmlException($feeduri);
885 * Look up and, if necessary, create an Ostatus_profile for the remote
886 * profile with the given Atom feed - actually loaded from the feed.
887 * This should never return null -- you will either get an object or
888 * an exception will be thrown.
890 * @param DOMElement $feedEl root element of a loaded Atom feed
891 * @param array $hints additional discovery information passed from higher levels
892 * @fixme should this be marked public?
893 * @return Ostatus_profile
896 public static function ensureAtomFeed($feedEl, $hints)
898 // Try to get a profile from the feed activity:subject
900 $subject = ActivityUtils::child($feedEl, Activity::SUBJECT, Activity::SPEC);
902 if (!empty($subject)) {
903 $subjObject = new ActivityObject($subject);
904 return self::ensureActivityObjectProfile($subjObject, $hints);
907 // Otherwise, try the feed author
909 $author = ActivityUtils::child($feedEl, Activity::AUTHOR, Activity::ATOM);
911 if (!empty($author)) {
912 $authorObject = new ActivityObject($author);
913 return self::ensureActivityObjectProfile($authorObject, $hints);
916 // Sheesh. Not a very nice feed! Let's try fingerpoken in the
919 $entries = $feedEl->getElementsByTagNameNS(Activity::ATOM, 'entry');
921 if (!empty($entries) && $entries->length > 0) {
923 $entry = $entries->item(0);
925 $actor = ActivityUtils::child($entry, Activity::ACTOR, Activity::SPEC);
927 if (!empty($actor)) {
928 $actorObject = new ActivityObject($actor);
929 return self::ensureActivityObjectProfile($actorObject, $hints);
933 $author = ActivityUtils::child($entry, Activity::AUTHOR, Activity::ATOM);
935 if (!empty($author)) {
936 $authorObject = new ActivityObject($author);
937 return self::ensureActivityObjectProfile($authorObject, $hints);
941 // XXX: make some educated guesses here
942 throw new FeedSubException(_m('Can\'t find enough profile information to make a feed.'));
946 * Look up and, if necessary, create an Ostatus_profile for the remote
947 * profile with the given RSS feed - actually loaded from the feed.
948 * This should never return null -- you will either get an object or
949 * an exception will be thrown.
951 * @param DOMElement $feedEl root element of a loaded RSS feed
952 * @param array $hints additional discovery information passed from higher levels
953 * @fixme should this be marked public?
954 * @return Ostatus_profile
957 public static function ensureRssChannel($feedEl, $hints)
959 // Special-case for Posterous. They have some nice metadata in their
960 // posterous:author elements. We should use them instead of the channel.
962 $items = $feedEl->getElementsByTagName('item');
964 if ($items->length > 0) {
965 $item = $items->item(0);
966 $authorEl = ActivityUtils::child($item, ActivityObject::AUTHOR, ActivityObject::POSTEROUS);
967 if (!empty($authorEl)) {
968 $obj = ActivityObject::fromPosterousAuthor($authorEl);
969 // Posterous has multiple authors per feed, and multiple feeds
970 // per author. We check if this is the "main" feed for this author.
971 if (array_key_exists('profileurl', $hints) &&
972 !empty($obj->poco) &&
973 common_url_to_nickname($hints['profileurl']) == $obj->poco->preferredUsername) {
974 return self::ensureActivityObjectProfile($obj, $hints);
979 // @fixme we should check whether this feed has elements
980 // with different <author> or <dc:creator> elements, and... I dunno.
981 // Do something about that.
983 $obj = ActivityObject::fromRssChannel($feedEl);
985 return self::ensureActivityObjectProfile($obj, $hints);
989 * Download and update given avatar image
992 * @throws Exception in various failure cases
994 protected function updateAvatar($url)
996 if ($url == $this->avatar) {
997 // We've already got this one.
1000 if (!common_valid_http_url($url)) {
1001 throw new ServerException(sprintf(_m("Invalid avatar URL %s."), $url));
1004 if ($this->isGroup()) {
1005 $self = $this->localGroup();
1007 $self = $this->localProfile();
1010 throw new ServerException(sprintf(
1011 _m("Tried to update avatar for unsaved remote profile %s."),
1015 // @fixme this should be better encapsulated
1016 // ripped from oauthstore.php (for old OMB client)
1017 $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
1019 if (!copy($url, $temp_filename)) {
1020 throw new ServerException(sprintf(_m("Unable to fetch avatar from %s."), $url));
1023 if ($this->isGroup()) {
1024 $id = $this->group_id;
1026 $id = $this->profile_id;
1028 // @fixme should we be using different ids?
1029 $imagefile = new ImageFile($id, $temp_filename);
1030 $filename = Avatar::filename($id,
1031 image_type_to_extension($imagefile->type),
1033 common_timestamp());
1034 rename($temp_filename, Avatar::path($filename));
1035 } catch (Exception $e) {
1036 unlink($temp_filename);
1039 // @fixme hardcoded chmod is lame, but seems to be necessary to
1040 // keep from accidentally saving images from command-line (queues)
1041 // that can't be read from web server, which causes hard-to-notice
1042 // problems later on:
1044 // http://status.net/open-source/issues/2663
1045 chmod(Avatar::path($filename), 0644);
1047 $self->setOriginal($filename);
1049 $orig = clone($this);
1050 $this->avatar = $url;
1051 $this->update($orig);
1055 * Pull avatar URL from ActivityObject or profile hints
1057 * @param ActivityObject $object
1058 * @param array $hints
1059 * @return mixed URL string or false
1062 public static function getActivityObjectAvatar($object, $hints=array())
1064 if ($object->avatarLinks) {
1066 // Take the exact-size avatar, or the largest avatar, or the first avatar if all sizeless
1067 foreach ($object->avatarLinks as $avatar) {
1068 if ($avatar->width == AVATAR_PROFILE_SIZE && $avatar->height = AVATAR_PROFILE_SIZE) {
1073 if (!$best || $avatar->width > $best->width) {
1078 } else if (array_key_exists('avatar', $hints)) {
1079 return $hints['avatar'];
1085 * Get an appropriate avatar image source URL, if available.
1087 * @param ActivityObject $actor
1088 * @param DOMElement $feed
1092 protected static function getAvatar($actor, $feed)
1096 if ($actor->avatar) {
1097 $url = trim($actor->avatar);
1100 // Check <atom:logo> and <atom:icon> on the feed
1101 $els = $feed->childNodes();
1102 if ($els && $els->length) {
1103 for ($i = 0; $i < $els->length; $i++) {
1104 $el = $els->item($i);
1105 if ($el->namespaceURI == Activity::ATOM) {
1106 if (empty($url) && $el->localName == 'logo') {
1107 $url = trim($el->textContent);
1110 if (empty($icon) && $el->localName == 'icon') {
1111 // Use as a fallback
1112 $icon = trim($el->textContent);
1117 if ($icon && !$url) {
1122 $opts = array('allowed_schemes' => array('http', 'https'));
1123 if (Validate::uri($url, $opts)) {
1127 return common_path('plugins/OStatus/images/96px-Feed-icon.svg.png');
1131 * Fetch, or build if necessary, an Ostatus_profile for the actor
1132 * in a given Activity Streams activity.
1133 * This should never return null -- you will either get an object or
1134 * an exception will be thrown.
1136 * @param Activity $activity
1137 * @param string $feeduri if we already know the canonical feed URI!
1138 * @param string $salmonuri if we already know the salmon return channel URI
1139 * @return Ostatus_profile
1143 public static function ensureActorProfile($activity, $hints=array())
1145 return self::ensureActivityObjectProfile($activity->actor, $hints);
1149 * Fetch, or build if necessary, an Ostatus_profile for the profile
1150 * in a given Activity Streams object (can be subject, actor, or object).
1151 * This should never return null -- you will either get an object or
1152 * an exception will be thrown.
1154 * @param ActivityObject $object
1155 * @param array $hints additional discovery information passed from higher levels
1156 * @return Ostatus_profile
1160 public static function ensureActivityObjectProfile($object, $hints=array())
1162 $profile = self::getActivityObjectProfile($object);
1164 $profile->updateFromActivityObject($object, $hints);
1166 $profile = self::createActivityObjectProfile($object, $hints);
1172 * @param Activity $activity
1173 * @return mixed matching Ostatus_profile or false if none known
1174 * @throws ServerException if feed info invalid
1176 public static function getActorProfile($activity)
1178 return self::getActivityObjectProfile($activity->actor);
1182 * @param ActivityObject $activity
1183 * @return mixed matching Ostatus_profile or false if none known
1184 * @throws ServerException if feed info invalid
1186 protected static function getActivityObjectProfile($object)
1188 $uri = self::getActivityObjectProfileURI($object);
1189 return Ostatus_profile::staticGet('uri', $uri);
1193 * Get the identifier URI for the remote entity described
1194 * by this ActivityObject. This URI is *not* guaranteed to be
1195 * a resolvable HTTP/HTTPS URL.
1197 * @param ActivityObject $object
1199 * @throws ServerException if feed info invalid
1201 protected static function getActivityObjectProfileURI($object)
1204 if (ActivityUtils::validateUri($object->id)) {
1209 // If the id is missing or invalid (we've seen feeds mistakenly listing
1210 // things like local usernames in that field) then we'll use the profile
1211 // page link, if valid.
1212 if ($object->link && common_valid_http_url($object->link)) {
1213 return $object->link;
1215 throw new ServerException("No author ID URI found.");
1219 * @fixme validate stuff somewhere
1223 * Create local ostatus_profile and profile/user_group entries for
1224 * the provided remote user or group.
1225 * This should never return null -- you will either get an object or
1226 * an exception will be thrown.
1228 * @param ActivityObject $object
1229 * @param array $hints
1231 * @return Ostatus_profile
1233 protected static function createActivityObjectProfile($object, $hints=array())
1235 $homeuri = $object->id;
1239 common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
1240 throw new Exception("No profile URI");
1243 $user = User::staticGet('uri', $homeuri);
1245 // TRANS: Exception.
1246 throw new Exception(_m('Local user can\'t be referenced as remote.'));
1249 if (OStatusPlugin::localGroupFromUrl($homeuri)) {
1250 // TRANS: Exception.
1251 throw new Exception(_m('Local group can\'t be referenced as remote.'));
1254 if (array_key_exists('feedurl', $hints)) {
1255 $feeduri = $hints['feedurl'];
1257 $discover = new FeedDiscovery();
1258 $feeduri = $discover->discoverFromURL($homeuri);
1261 if (array_key_exists('salmon', $hints)) {
1262 $salmonuri = $hints['salmon'];
1265 $discover = new FeedDiscovery();
1266 $discover->discoverFromFeedURL($hints['feedurl']);
1268 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
1271 if (array_key_exists('hub', $hints)) {
1272 $huburi = $hints['hub'];
1275 $discover = new FeedDiscovery();
1276 $discover->discoverFromFeedURL($hints['feedurl']);
1278 $huburi = $discover->getHubLink();
1281 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
1282 // We can only deal with folks with a PuSH hub
1283 throw new FeedSubNoHubException();
1286 $oprofile = new Ostatus_profile();
1288 $oprofile->uri = $homeuri;
1289 $oprofile->feeduri = $feeduri;
1290 $oprofile->salmonuri = $salmonuri;
1292 $oprofile->created = common_sql_now();
1293 $oprofile->modified = common_sql_now();
1295 if ($object->type == ActivityObject::PERSON) {
1296 $profile = new Profile();
1297 $profile->created = common_sql_now();
1298 self::updateProfile($profile, $object, $hints);
1300 $oprofile->profile_id = $profile->insert();
1301 if (!$oprofile->profile_id) {
1302 // TRANS: Exception.
1303 throw new ServerException(_m('Can\'t save local profile.'));
1306 $group = new User_group();
1307 $group->uri = $homeuri;
1308 $group->created = common_sql_now();
1309 self::updateGroup($group, $object, $hints);
1311 $oprofile->group_id = $group->insert();
1312 if (!$oprofile->group_id) {
1313 // TRANS: Exception.
1314 throw new ServerException(_m('Can\'t save local profile.'));
1318 $ok = $oprofile->insert();
1321 // TRANS: Exception.
1322 throw new ServerException(_m('Can\'t save OStatus profile.'));
1325 $avatar = self::getActivityObjectAvatar($object, $hints);
1329 $oprofile->updateAvatar($avatar);
1330 } catch (Exception $ex) {
1331 // Profile is saved, but Avatar is messed up. We're
1332 // just going to continue.
1333 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: ". $ex->getMessage());
1341 * Save any updated profile information to our local copy.
1342 * @param ActivityObject $object
1343 * @param array $hints
1345 public function updateFromActivityObject($object, $hints=array())
1347 if ($this->isGroup()) {
1348 $group = $this->localGroup();
1349 self::updateGroup($group, $object, $hints);
1351 $profile = $this->localProfile();
1352 self::updateProfile($profile, $object, $hints);
1354 $avatar = self::getActivityObjectAvatar($object, $hints);
1357 $this->updateAvatar($avatar);
1358 } catch (Exception $ex) {
1359 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: " . $ex->getMessage());
1364 public static function updateProfile($profile, $object, $hints=array())
1366 $orig = clone($profile);
1368 $profile->nickname = self::getActivityObjectNickname($object, $hints);
1370 if (!empty($object->title)) {
1371 $profile->fullname = $object->title;
1372 } else if (array_key_exists('fullname', $hints)) {
1373 $profile->fullname = $hints['fullname'];
1376 if (!empty($object->link)) {
1377 $profile->profileurl = $object->link;
1378 } else if (array_key_exists('profileurl', $hints)) {
1379 $profile->profileurl = $hints['profileurl'];
1380 } else if (Validate::uri($object->id, array('allowed_schemes' => array('http', 'https')))) {
1381 $profile->profileurl = $object->id;
1384 $profile->bio = self::getActivityObjectBio($object, $hints);
1385 $profile->location = self::getActivityObjectLocation($object, $hints);
1386 $profile->homepage = self::getActivityObjectHomepage($object, $hints);
1388 if (!empty($object->geopoint)) {
1389 $location = ActivityContext::locationFromPoint($object->geopoint);
1390 if (!empty($location)) {
1391 $profile->lat = $location->lat;
1392 $profile->lon = $location->lon;
1396 // @fixme tags/categories
1397 // @todo tags from categories
1400 common_log(LOG_DEBUG, "Updating OStatus profile $profile->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1401 $profile->update($orig);
1405 protected static function updateGroup($group, $object, $hints=array())
1407 $orig = clone($group);
1409 $group->nickname = self::getActivityObjectNickname($object, $hints);
1410 $group->fullname = $object->title;
1412 if (!empty($object->link)) {
1413 $group->mainpage = $object->link;
1414 } else if (array_key_exists('profileurl', $hints)) {
1415 $group->mainpage = $hints['profileurl'];
1418 // @todo tags from categories
1419 $group->description = self::getActivityObjectBio($object, $hints);
1420 $group->location = self::getActivityObjectLocation($object, $hints);
1421 $group->homepage = self::getActivityObjectHomepage($object, $hints);
1424 common_log(LOG_DEBUG, "Updating OStatus group $group->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1425 $group->update($orig);
1429 protected static function getActivityObjectHomepage($object, $hints=array())
1432 $poco = $object->poco;
1434 if (!empty($poco)) {
1435 $url = $poco->getPrimaryURL();
1436 if ($url && $url->type == 'homepage') {
1437 $homepage = $url->value;
1441 // @todo Try for a another PoCo URL?
1446 protected static function getActivityObjectLocation($object, $hints=array())
1450 if (!empty($object->poco) &&
1451 isset($object->poco->address->formatted)) {
1452 $location = $object->poco->address->formatted;
1453 } else if (array_key_exists('location', $hints)) {
1454 $location = $hints['location'];
1457 if (!empty($location)) {
1458 if (mb_strlen($location) > 255) {
1459 $location = mb_substr($note, 0, 255 - 3) . ' … ';
1463 // @todo Try to find location some othe way? Via goerss point?
1468 protected static function getActivityObjectBio($object, $hints=array())
1472 if (!empty($object->poco)) {
1473 $note = $object->poco->note;
1474 } else if (array_key_exists('bio', $hints)) {
1475 $note = $hints['bio'];
1478 if (!empty($note)) {
1479 if (Profile::bioTooLong($note)) {
1480 // XXX: truncate ok?
1481 $bio = mb_substr($note, 0, Profile::maxBio() - 3) . ' … ';
1487 // @todo Try to get bio info some other way?
1492 public static function getActivityObjectNickname($object, $hints=array())
1494 if ($object->poco) {
1495 if (!empty($object->poco->preferredUsername)) {
1496 return common_nicknamize($object->poco->preferredUsername);
1500 if (!empty($object->nickname)) {
1501 return common_nicknamize($object->nickname);
1504 if (array_key_exists('nickname', $hints)) {
1505 return $hints['nickname'];
1508 // Try the profile url (like foo.example.com or example.com/user/foo)
1510 $profileUrl = ($object->link) ? $object->link : $hints['profileurl'];
1512 if (!empty($profileUrl)) {
1513 $nickname = self::nicknameFromURI($profileUrl);
1516 // Try the URI (may be a tag:, http:, acct:, ...
1518 if (empty($nickname)) {
1519 $nickname = self::nicknameFromURI($object->id);
1522 // Try a Webfinger if one was passed (way) down
1524 if (empty($nickname)) {
1525 if (array_key_exists('webfinger', $hints)) {
1526 $nickname = self::nicknameFromURI($hints['webfinger']);
1532 if (empty($nickname)) {
1533 $nickname = common_nicknamize($object->title);
1539 protected static function nicknameFromURI($uri)
1541 preg_match('/(\w+):/', $uri, $matches);
1543 $protocol = $matches[1];
1545 switch ($protocol) {
1548 if (preg_match("/^$protocol:(.*)?@.*\$/", $uri, $matches)) {
1549 return common_canonical_nickname($matches[1]);
1553 return common_url_to_nickname($uri);
1561 * Look up, and if necessary create, an Ostatus_profile for the remote
1562 * entity with the given webfinger address.
1563 * This should never return null -- you will either get an object or
1564 * an exception will be thrown.
1566 * @param string $addr webfinger address
1567 * @return Ostatus_profile
1568 * @throws Exception on error conditions
1569 * @throws OStatusShadowException if this reference would obscure a local user/group
1571 public static function ensureWebfinger($addr)
1573 // First, try the cache
1575 $uri = self::cacheGet(sprintf('ostatus_profile:webfinger:%s', $addr));
1577 if ($uri !== false) {
1578 if (is_null($uri)) {
1579 // Negative cache entry
1580 // TRANS: Exception.
1581 throw new Exception(_m('Not a valid webfinger address.'));
1583 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1584 if (!empty($oprofile)) {
1589 // Try looking it up
1591 $oprofile = Ostatus_profile::staticGet('uri', 'acct:'.$addr);
1593 if (!empty($oprofile)) {
1594 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1598 // Now, try some discovery
1600 $disco = new Discovery();
1603 $xrd = $disco->lookup($addr);
1604 } catch (Exception $e) {
1605 // Save negative cache entry so we don't waste time looking it up again.
1606 // @fixme distinguish temporary failures?
1607 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), null);
1608 // TRANS: Exception.
1609 throw new Exception(_m('Not a valid webfinger address.'));
1612 $hints = array('webfinger' => $addr);
1614 $dhints = DiscoveryHints::fromXRD($xrd);
1616 $hints = array_merge($hints, $dhints);
1618 // If there's an Hcard, let's grab its info
1620 if (array_key_exists('hcard', $hints)) {
1621 if (!array_key_exists('profileurl', $hints) ||
1622 $hints['hcard'] != $hints['profileurl']) {
1623 $hcardHints = DiscoveryHints::fromHcardUrl($hints['hcard']);
1624 $hints = array_merge($hcardHints, $hints);
1628 // If we got a feed URL, try that
1630 if (array_key_exists('feedurl', $hints)) {
1632 common_log(LOG_INFO, "Discovery on acct:$addr with feed URL " . $hints['feedurl']);
1633 $oprofile = self::ensureFeedURL($hints['feedurl'], $hints);
1634 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1636 } catch (Exception $e) {
1637 common_log(LOG_WARNING, "Failed creating profile from feed URL '$feedUrl': " . $e->getMessage());
1642 // If we got a profile page, try that!
1644 if (array_key_exists('profileurl', $hints)) {
1646 common_log(LOG_INFO, "Discovery on acct:$addr with profile URL $profileUrl");
1647 $oprofile = self::ensureProfileURL($hints['profileurl'], $hints);
1648 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1650 } catch (OStatusShadowException $e) {
1651 // We've ended up with a remote reference to a local user or group.
1652 // @fixme ideally we should be able to say who it was so we can
1653 // go back and refer to it the regular way
1655 } catch (Exception $e) {
1656 common_log(LOG_WARNING, "Failed creating profile from profile URL '$profileUrl': " . $e->getMessage());
1659 // @fixme this means an error discovering from profile page
1660 // may give us a corrupt entry using the webfinger URI, which
1661 // will obscure the correct page-keyed profile later on.
1668 if (array_key_exists('salmon', $hints)) {
1670 $salmonEndpoint = $hints['salmon'];
1672 // An account URL, a salmon endpoint, and a dream? Not much to go
1673 // on, but let's give it a try
1675 $uri = 'acct:'.$addr;
1677 $profile = new Profile();
1679 $profile->nickname = self::nicknameFromUri($uri);
1680 $profile->created = common_sql_now();
1682 if (isset($profileUrl)) {
1683 $profile->profileurl = $profileUrl;
1686 $profile_id = $profile->insert();
1689 common_log_db_error($profile, 'INSERT', __FILE__);
1690 // TRANS: Exception. %s is a webfinger address.
1691 throw new Exception(sprintf(_m('Couldn\'t save profile for "%s".'),$addr));
1694 $oprofile = new Ostatus_profile();
1696 $oprofile->uri = $uri;
1697 $oprofile->salmonuri = $salmonEndpoint;
1698 $oprofile->profile_id = $profile_id;
1699 $oprofile->created = common_sql_now();
1701 if (isset($feedUrl)) {
1702 $profile->feeduri = $feedUrl;
1705 $result = $oprofile->insert();
1708 common_log_db_error($oprofile, 'INSERT', __FILE__);
1709 // TRANS: Exception. %s is a webfinger address.
1710 throw new Exception(sprintf(_m('Couldn\'t save ostatus_profile for "%s".'),$addr));
1713 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1717 // TRANS: Exception. %s is a webfinger address.
1718 throw new Exception(sprintf(_m('Couldn\'t find a valid profile for "%s".'),$addr));
1722 * Store the full-length scrubbed HTML of a remote notice to an attachment
1723 * file on our server. We'll link to this at the end of the cropped version.
1725 * @param string $title plaintext for HTML page's title
1726 * @param string $rendered HTML fragment for HTML page's body
1729 function saveHTMLFile($title, $rendered)
1731 $final = sprintf("<!DOCTYPE html>\n" .
1733 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">' .
1734 '<title>%s</title>' .
1736 '<body>%s</body></html>',
1737 htmlspecialchars($title),
1740 $filename = File::filename($this->localProfile(),
1741 'ostatus', // ignored?
1744 $filepath = File::path($filename);
1746 file_put_contents($filepath, $final);
1750 $file->filename = $filename;
1751 $file->url = File::url($filename);
1752 $file->size = filesize($filepath);
1753 $file->date = time();
1754 $file->mimetype = 'text/html';
1756 $file_id = $file->insert();
1758 if ($file_id === false) {
1759 common_log_db_error($file, "INSERT", __FILE__);
1760 throw new ServerException(_m('Could not store HTML content of long post as file.'));
1766 static function ensureProfileURI($uri)
1770 // First, try to query it
1772 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1774 // If unfound, do discovery stuff
1776 if (empty($oprofile)) {
1777 if (preg_match("/^(\w+)\:(.*)/", $uri, $match)) {
1778 $protocol = $match[1];
1779 switch ($protocol) {
1782 $oprofile = Ostatus_profile::ensureProfileURL($uri);
1787 $oprofile = Ostatus_profile::ensureWebfinger($rest);
1789 common_log("Unrecognized URI protocol for profile: $protocol ($uri)");
1799 * Exception indicating we've got a remote reference to a local user,
1800 * not a remote user!
1802 * If we can ue a local profile after all, it's available as $e->profile.
1804 class OStatusShadowException extends Exception
1809 * @param Profile $profile
1810 * @param string $message
1812 function __construct($profile, $message) {
1813 $this->profile = $profile;
1814 parent::__construct($message);