3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2009-2010, StatusNet, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('STATUSNET')) {
25 * @package OStatusPlugin
26 * @maintainer Brion Vibber <brion@status.net>
28 class Ostatus_profile extends Memcached_DataObject
30 public $__table = 'ostatus_profile';
39 public $avatar; // remote URL of the last avatar we saved
44 public /*static*/ function staticGet($k, $v=null)
46 return parent::staticGet(__CLASS__, $k, $v);
50 * return table definition for DB_DataObject
52 * DB_DataObject needs to know something about the table to manipulate
53 * instances. This method provides all the DB_DataObject needs to know.
55 * @return array array of column definitions
59 return array('uri' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
60 'profile_id' => DB_DATAOBJECT_INT,
61 'group_id' => DB_DATAOBJECT_INT,
62 'feeduri' => DB_DATAOBJECT_STR,
63 'salmonuri' => DB_DATAOBJECT_STR,
64 'avatar' => DB_DATAOBJECT_STR,
65 'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL,
66 'modified' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
69 static function schemaDef()
71 return array(new ColumnDef('uri', 'varchar',
73 new ColumnDef('profile_id', 'integer',
75 new ColumnDef('group_id', 'integer',
77 new ColumnDef('feeduri', 'varchar',
79 new ColumnDef('salmonuri', 'text',
81 new ColumnDef('avatar', 'text',
83 new ColumnDef('created', 'datetime',
85 new ColumnDef('modified', 'datetime',
90 * return key definitions for DB_DataObject
92 * DB_DataObject needs to know about keys that the table has; this function
95 * @return array key definitions
99 return array_keys($this->keyTypes());
103 * return key definitions for Memcached_DataObject
105 * Our caching system uses the same key definitions, but uses a different
106 * method to get them.
108 * @return array key definitions
112 return array('uri' => 'K', 'profile_id' => 'U', 'group_id' => 'U', 'feeduri' => 'U');
115 function sequenceKey()
117 return array(false, false, false);
121 * Fetch the StatusNet-side profile for this feed
124 public function localProfile()
126 if ($this->profile_id) {
127 return Profile::staticGet('id', $this->profile_id);
133 * Fetch the StatusNet-side profile for this feed
136 public function localGroup()
138 if ($this->group_id) {
139 return User_group::staticGet('id', $this->group_id);
145 * Returns an ActivityObject describing this remote user or group profile.
146 * Can then be used to generate Atom chunks.
148 * @return ActivityObject
150 function asActivityObject()
152 if ($this->isGroup()) {
153 return ActivityObject::fromGroup($this->localGroup());
155 return ActivityObject::fromProfile($this->localProfile());
160 * Returns an XML string fragment with profile information as an
161 * Activity Streams noun object with the given element type.
163 * Assumes that 'activity' namespace has been previously defined.
165 * @fixme replace with wrappers on asActivityObject when it's got everything.
167 * @param string $element one of 'actor', 'subject', 'object', 'target'
170 function asActivityNoun($element)
172 if ($this->isGroup()) {
173 $noun = ActivityObject::fromGroup($this->localGroup());
174 return $noun->asString('activity:' . $element);
176 $noun = ActivityObject::fromProfile($this->localProfile());
177 return $noun->asString('activity:' . $element);
182 * @return boolean true if this is a remote group
186 if ($this->profile_id && !$this->group_id) {
188 } else if ($this->group_id && !$this->profile_id) {
190 } else if ($this->group_id && $this->profile_id) {
191 // TRANS: Server exception. %s is a URI.
192 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: both group and profile IDs set for %s.'),$this->uri));
194 // TRANS: Server exception. %s is a URI.
195 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: both group and profile IDs empty for %s.'),$this->uri));
200 * Send a subscription request to the hub for this feed.
201 * The hub will later send us a confirmation POST to /main/push/callback.
203 * @return bool true on success, false on failure
204 * @throws ServerException if feed state is not valid
206 public function subscribe()
208 $feedsub = FeedSub::ensureFeed($this->feeduri);
209 if ($feedsub->sub_state == 'active') {
210 // Active subscription, we don't need to do anything.
213 // Inactive or we got left in an inconsistent state.
214 // Run a subscription request to make sure we're current!
215 return $feedsub->subscribe();
220 * Check if this remote profile has any active local subscriptions, and
221 * if not drop the PuSH subscription feed.
223 * @return bool true on success, false on failure
225 public function unsubscribe() {
226 $this->garbageCollect();
230 * Check if this remote profile has any active local subscriptions, and
231 * if not drop the PuSH subscription feed.
235 public function garbageCollect()
237 $feedsub = FeedSub::staticGet('uri', $this->feeduri);
238 return $feedsub->garbageCollect();
242 * Check if this remote profile has any active local subscriptions, so the
243 * PuSH subscription layer can decide if it can drop the feed.
245 * This gets called via the FeedSubSubscriberCount event when running
246 * FeedSub::garbageCollect().
250 public function subscriberCount()
252 if ($this->isGroup()) {
253 $members = $this->localGroup()->getMembers(0, 1);
254 $count = $members->N;
256 $count = $this->localProfile()->subscriberCount();
258 common_log(LOG_INFO, __METHOD__ . " SUB COUNT BEFORE: $count");
260 // Other plugins may be piggybacking on OStatus without having
261 // an active group or user-to-user subscription we know about.
262 Event::handle('Ostatus_profileSubscriberCount', array($this, &$count));
263 common_log(LOG_INFO, __METHOD__ . " SUB COUNT AFTER: $count");
269 * Send an Activity Streams notification to the remote Salmon endpoint,
272 * @param Profile $actor Actor who did the activity
273 * @param string $verb Activity::SUBSCRIBE or Activity::JOIN
274 * @param Object $object object of the action; must define asActivityNoun($tag)
276 public function notify($actor, $verb, $object=null)
278 if (!($actor instanceof Profile)) {
279 $type = gettype($actor);
280 if ($type == 'object') {
281 $type = get_class($actor);
283 // TRANS: Server exception.
284 // TRANS: %1$s is the method name the exception occured in, %2$s is the actor type.
285 throw new ServerException(sprintf(_m('Invalid actor passed to %1$s: %2$s.'),__METHOD__,$type));
287 if ($object == null) {
290 if ($this->salmonuri) {
293 $id = TagURI::mint('%s:%s:%s',
296 common_date_iso8601(time()));
298 // @fixme consolidate all these NS settings somewhere
299 $attributes = array('xmlns' => Activity::ATOM,
300 'xmlns:activity' => 'http://activitystrea.ms/spec/1.0/',
301 'xmlns:thr' => 'http://purl.org/syndication/thread/1.0',
302 'xmlns:georss' => 'http://www.georss.org/georss',
303 'xmlns:ostatus' => 'http://ostatus.org/schema/1.0',
304 'xmlns:poco' => 'http://portablecontacts.net/spec/1.0',
305 'xmlns:media' => 'http://purl.org/syndication/atommedia');
307 $entry = new XMLStringer();
308 $entry->elementStart('entry', $attributes);
309 $entry->element('id', null, $id);
310 $entry->element('title', null, $text);
311 $entry->element('summary', null, $text);
312 $entry->element('published', null, common_date_w3dtf(common_sql_now()));
314 $entry->element('activity:verb', null, $verb);
315 $entry->raw($actor->asAtomAuthor());
316 $entry->raw($actor->asActivityActor());
317 $entry->raw($object->asActivityNoun('object'));
318 $entry->elementEnd('entry');
320 $xml = $entry->getString();
321 common_log(LOG_INFO, "Posting to Salmon endpoint $this->salmonuri: $xml");
323 $salmon = new Salmon(); // ?
324 return $salmon->post($this->salmonuri, $xml, $actor);
330 * Send a Salmon notification ping immediately, and confirm that we got
331 * an acceptable response from the remote site.
333 * @param mixed $entry XML string, Notice, or Activity
334 * @return boolean success
336 public function notifyActivity($entry, $actor)
338 if ($this->salmonuri) {
339 $salmon = new Salmon();
340 return $salmon->post($this->salmonuri, $this->notifyPrepXml($entry), $actor);
347 * Queue a Salmon notification for later. If queues are disabled we'll
348 * send immediately but won't get the return value.
350 * @param mixed $entry XML string, Notice, or Activity
351 * @return boolean success
353 public function notifyDeferred($entry, $actor)
355 if ($this->salmonuri) {
356 $data = array('salmonuri' => $this->salmonuri,
357 'entry' => $this->notifyPrepXml($entry),
358 'actor' => $actor->id);
360 $qm = QueueManager::get();
361 return $qm->enqueue($data, 'salmon');
367 protected function notifyPrepXml($entry)
369 $preamble = '<?xml version="1.0" encoding="UTF-8" ?' . '>';
370 if (is_string($entry)) {
372 } else if ($entry instanceof Activity) {
373 return $preamble . $entry->asString(true);
374 } else if ($entry instanceof Notice) {
375 return $preamble . $entry->asAtomEntry(true, true);
377 // TRANS: Server exception.
378 throw new ServerException(_m('Invalid type passed to Ostatus_profile::notify. It must be XML string or Activity entry.'));
382 function getBestName()
384 if ($this->isGroup()) {
385 return $this->localGroup()->getBestName();
387 return $this->localProfile()->getBestName();
392 * Read and post notices for updates from the feed.
393 * Currently assumes that all items in the feed are new,
394 * coming from a PuSH hub.
396 * @param DOMDocument $doc
397 * @param string $source identifier ("push")
399 public function processFeed(DOMDocument $doc, $source)
401 $feed = $doc->documentElement;
403 if ($feed->localName == 'feed' && $feed->namespaceURI == Activity::ATOM) {
404 $this->processAtomFeed($feed, $source);
405 } else if ($feed->localName == 'rss') { // @fixme check namespace
406 $this->processRssFeed($feed, $source);
409 throw new Exception(_m('Unknown feed format.'));
413 public function processAtomFeed(DOMElement $feed, $source)
415 $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
416 if ($entries->length == 0) {
417 common_log(LOG_ERR, __METHOD__ . ": no entries in feed update, ignoring");
421 for ($i = 0; $i < $entries->length; $i++) {
422 $entry = $entries->item($i);
423 $this->processEntry($entry, $feed, $source);
427 public function processRssFeed(DOMElement $rss, $source)
429 $channels = $rss->getElementsByTagName('channel');
431 if ($channels->length == 0) {
433 throw new Exception(_m('RSS feed without a channel.'));
434 } else if ($channels->length > 1) {
435 common_log(LOG_WARNING, __METHOD__ . ": more than one channel in an RSS feed");
438 $channel = $channels->item(0);
440 $items = $channel->getElementsByTagName('item');
442 for ($i = 0; $i < $items->length; $i++) {
443 $item = $items->item($i);
444 $this->processEntry($item, $channel, $source);
449 * Process a posted entry from this feed source.
451 * @param DOMElement $entry
452 * @param DOMElement $feed for context
453 * @param string $source identifier ("push" or "salmon")
456 public function processEntry($entry, $feed, $source)
458 $activity = new Activity($entry, $feed);
460 if (Event::handle('StartHandleFeedEntry', array($activity))) {
462 // @todo process all activity objects
463 switch ($activity->objects[0]->type) {
464 case ActivityObject::ARTICLE:
465 case ActivityObject::BLOGENTRY:
466 case ActivityObject::NOTE:
467 case ActivityObject::STATUS:
468 case ActivityObject::COMMENT:
470 if ($activity->verb == ActivityVerb::POST) {
471 $this->processPost($activity, $source);
473 common_log(LOG_INFO, "Ignoring activity with unrecognized verb $activity->verb");
477 // TRANS: Client exception.
478 throw new ClientException(_m('Can\'t handle that kind of post.'));
481 Event::handle('EndHandleFeedEntry', array($activity));
486 * Process an incoming post activity from this remote feed.
487 * @param Activity $activity
488 * @param string $method 'push' or 'salmon'
489 * @return mixed saved Notice or false
490 * @fixme break up this function, it's getting nasty long
492 public function processPost($activity, $method)
494 if ($this->isGroup()) {
495 // A group feed will contain posts from multiple authors.
496 // @fixme validate these profiles in some way!
497 $oprofile = self::ensureActorProfile($activity);
498 if ($oprofile->isGroup()) {
499 // Groups can't post notices in StatusNet.
500 common_log(LOG_WARNING, "OStatus: skipping post with group listed as author: $oprofile->uri in feed from $this->uri");
504 $actor = $activity->actor;
507 // OK here! assume the default
508 } else if ($actor->id == $this->uri || $actor->link == $this->uri) {
509 $this->updateFromActivityObject($actor);
510 } else if ($actor->id) {
511 // We have an ActivityStreams actor with an explicit ID that doesn't match the feed owner.
512 // This isn't what we expect from mainline OStatus person feeds!
513 // Group feeds go down another path, with different validation...
514 // Most likely this is a plain ol' blog feed of some kind which
515 // doesn't match our expectations. We'll take the entry, but ignore
516 // the <author> info.
517 common_log(LOG_WARNING, "Got an actor '{$actor->title}' ({$actor->id}) on single-user feed for {$this->uri}");
519 // Plain <author> without ActivityStreams actor info.
520 // We'll just ignore this info for now and save the update under the feed's identity.
526 // It's not always an ActivityObject::NOTE, but... let's just say it is.
528 $note = $activity->objects[0];
530 // The id URI will be used as a unique identifier for for the notice,
531 // protecting against duplicate saves. It isn't required to be a URL;
532 // tag: URIs for instance are found in Google Buzz feeds.
533 $sourceUri = $note->id;
534 $dupe = Notice::staticGet('uri', $sourceUri);
536 common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
540 // We'll also want to save a web link to the original notice, if provided.
543 $sourceUrl = $note->link;
544 } else if ($activity->link) {
545 $sourceUrl = $activity->link;
546 } else if (preg_match('!^https?://!', $note->id)) {
547 $sourceUrl = $note->id;
550 // Use summary as fallback for content
552 if (!empty($note->content)) {
553 $sourceContent = $note->content;
554 } else if (!empty($note->summary)) {
555 $sourceContent = $note->summary;
556 } else if (!empty($note->title)) {
557 $sourceContent = $note->title;
559 // @fixme fetch from $sourceUrl?
560 // TRANS: Client exception. %s is a source URI.
561 throw new ClientException(sprintf(_m('No content for notice %s.'),$sourceUri));
564 // Get (safe!) HTML and text versions of the content
566 $rendered = $this->purify($sourceContent);
567 $content = html_entity_decode(strip_tags($rendered), ENT_QUOTES, 'UTF-8');
569 $shortened = common_shorten_links($content);
571 // If it's too long, try using the summary, and make the
572 // HTML an attachment.
576 if (Notice::contentTooLong($shortened)) {
577 $attachment = $this->saveHTMLFile($note->title, $rendered);
578 $summary = html_entity_decode(strip_tags($note->summary), ENT_QUOTES, 'UTF-8');
579 if (empty($summary)) {
582 $shortSummary = common_shorten_links($summary);
583 if (Notice::contentTooLong($shortSummary)) {
584 $url = common_shorten_url($sourceUrl);
585 $shortSummary = substr($shortSummary,
587 Notice::maxContent() - (mb_strlen($url) + 2));
588 $content = $shortSummary . ' ' . $url;
590 // We mark up the attachment link specially for the HTML output
591 // so we can fold-out the full version inline.
593 // @fixme I18N this tooltip will be saved with the site's default language
594 // TRANS: Shown when a notice is longer than supported and/or when attachments are present. At runtime
595 // TRANS: this will usually be replaced with localised text from StatusNet core messages.
596 $showMoreText = _m('Show more');
597 $attachUrl = common_local_url('attachment',
598 array('attachment' => $attachment->id));
599 $rendered = common_render_text($shortSummary) .
600 '<a href="' . htmlspecialchars($attachUrl) .'"'.
601 ' class="attachment more"' .
602 ' title="'. htmlspecialchars($showMoreText) . '">' .
608 $options = array('is_local' => Notice::REMOTE_OMB,
611 'rendered' => $rendered,
612 'replies' => array(),
617 // Check for optional attributes...
619 if (!empty($activity->time)) {
620 $options['created'] = common_sql_date($activity->time);
623 if ($activity->context) {
624 // Any individual or group attn: targets?
625 $replies = $activity->context->attention;
626 $options['groups'] = $this->filterReplies($oprofile, $replies);
627 $options['replies'] = $replies;
629 // Maintain direct reply associations
630 // @fixme what about conversation ID?
631 if (!empty($activity->context->replyToID)) {
632 $orig = Notice::staticGet('uri',
633 $activity->context->replyToID);
635 $options['reply_to'] = $orig->id;
639 $location = $activity->context->location;
641 $options['lat'] = $location->lat;
642 $options['lon'] = $location->lon;
643 if ($location->location_id) {
644 $options['location_ns'] = $location->location_ns;
645 $options['location_id'] = $location->location_id;
650 // Atom categories <-> hashtags
651 foreach ($activity->categories as $cat) {
653 $term = common_canonical_tag($cat->term);
655 $options['tags'][] = $term;
660 // Atom enclosures -> attachment URLs
661 foreach ($activity->enclosures as $href) {
662 // @fixme save these locally or....?
663 $options['urls'][] = $href;
667 $saved = Notice::saveNew($oprofile->profile_id,
672 Ostatus_source::saveNew($saved, $this, $method);
673 if (!empty($attachment)) {
674 File_to_post::processNew($attachment->id, $saved->id);
677 } catch (Exception $e) {
678 common_log(LOG_ERR, "OStatus save of remote message $sourceUri failed: " . $e->getMessage());
681 common_log(LOG_INFO, "OStatus saved remote message $sourceUri as notice id $saved->id");
688 protected function purify($html)
690 require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
691 $config = array('safe' => 1,
692 'deny_attribute' => 'id,style,on*');
693 return htmLawed($html, $config);
697 * Filters a list of recipient ID URIs to just those for local delivery.
698 * @param Ostatus_profile local profile of sender
699 * @param array in/out &$attention_uris set of URIs, will be pruned on output
700 * @return array of group IDs
702 protected function filterReplies($sender, &$attention_uris)
704 common_log(LOG_DEBUG, "Original reply recipients: " . implode(', ', $attention_uris));
707 foreach (array_unique($attention_uris) as $recipient) {
708 // Is the recipient a local user?
709 $user = User::staticGet('uri', $recipient);
711 // @fixme sender verification, spam etc?
712 $replies[] = $recipient;
716 // Is the recipient a local group?
717 // $group = User_group::staticGet('uri', $recipient);
718 $id = OStatusPlugin::localGroupFromUrl($recipient);
720 $group = User_group::staticGet('id', $id);
722 // Deliver to all members of this local group if allowed.
723 $profile = $sender->localProfile();
724 if ($profile->isMember($group)) {
725 $groups[] = $group->id;
727 common_log(LOG_DEBUG, "Skipping reply to local group $group->nickname as sender $profile->id is not a member");
731 common_log(LOG_DEBUG, "Skipping reply to bogus group $recipient");
735 // Is the recipient a remote user or group?
737 $oprofile = Ostatus_profile::ensureProfileURI($recipient);
738 if ($oprofile->isGroup()) {
739 // Deliver to local members of this remote group.
740 // @fixme sender verification?
741 $groups[] = $oprofile->group_id;
743 // may be canonicalized or something
744 $replies[] = $oprofile->uri;
747 } catch (Exception $e) {
748 // Neither a recognizable local nor remote user!
749 common_log(LOG_DEBUG, "Skipping reply to unrecognized profile $recipient: " . $e->getMessage());
753 $attention_uris = $replies;
754 common_log(LOG_DEBUG, "Local reply recipients: " . implode(', ', $replies));
755 common_log(LOG_DEBUG, "Local group recipients: " . implode(', ', $groups));
760 * Look up and if necessary create an Ostatus_profile for the remote entity
761 * with the given profile page URL. This should never return null -- you
762 * will either get an object or an exception will be thrown.
764 * @param string $profile_url
765 * @return Ostatus_profile
766 * @throws Exception on various error conditions
767 * @throws OStatusShadowException if this reference would obscure a local user/group
770 public static function ensureProfileURL($profile_url, $hints=array())
772 $oprofile = self::getFromProfileURL($profile_url);
774 if (!empty($oprofile)) {
778 $hints['profileurl'] = $profile_url;
783 $client = new HTTPClient();
784 $client->setHeader('Accept', 'text/html,application/xhtml+xml');
785 $response = $client->get($profile_url);
787 if (!$response->isOk()) {
788 // TRANS: Exception. %s is a profile URL.
789 throw new Exception(sprintf(_m('Could not reach profile page %s.'),$profile_url));
792 // Check if we have a non-canonical URL
794 $finalUrl = $response->getUrl();
796 if ($finalUrl != $profile_url) {
798 $hints['profileurl'] = $finalUrl;
800 $oprofile = self::getFromProfileURL($finalUrl);
802 if (!empty($oprofile)) {
807 // Try to get some hCard data
809 $body = $response->getBody();
811 $hcardHints = DiscoveryHints::hcardHints($body, $finalUrl);
813 if (!empty($hcardHints)) {
814 $hints = array_merge($hints, $hcardHints);
817 // Check if they've got an LRDD header
819 $lrdd = LinkHeader::getLink($response, 'lrdd', 'application/xrd+xml');
823 $xrd = Discovery::fetchXrd($lrdd);
824 $xrdHints = DiscoveryHints::fromXRD($xrd);
826 $hints = array_merge($hints, $xrdHints);
829 // If discovery found a feedurl (probably from LRDD), use it.
831 if (array_key_exists('feedurl', $hints)) {
832 return self::ensureFeedURL($hints['feedurl'], $hints);
835 // Get the feed URL from HTML
837 $discover = new FeedDiscovery();
839 $feedurl = $discover->discoverFromHTML($finalUrl, $body);
841 if (!empty($feedurl)) {
842 $hints['feedurl'] = $feedurl;
843 return self::ensureFeedURL($feedurl, $hints);
846 // TRANS: Exception. %s is a URL.
847 throw new Exception(sprintf(_m('Could not find a feed URL for profile page %s.'),$finalUrl));
851 * Look up the Ostatus_profile, if present, for a remote entity with the
852 * given profile page URL. Will return null for both unknown and invalid
855 * @return mixed Ostatus_profile or null
856 * @throws OStatusShadowException for local profiles
858 static function getFromProfileURL($profile_url)
860 $profile = Profile::staticGet('profileurl', $profile_url);
862 if (empty($profile)) {
866 // Is it a known Ostatus profile?
868 $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
870 if (!empty($oprofile)) {
874 // Is it a local user?
876 $user = User::staticGet('id', $profile->id);
879 // @todo i18n FIXME: use sprintf and add i18n (?)
880 throw new OStatusShadowException($profile, "'$profile_url' is the profile for local user '{$user->nickname}'.");
883 // Continue discovery; it's a remote profile
884 // for OMB or some other protocol, may also
891 * Look up and if necessary create an Ostatus_profile for remote entity
892 * with the given update feed. This should never return null -- you will
893 * either get an object or an exception will be thrown.
895 * @return Ostatus_profile
898 public static function ensureFeedURL($feed_url, $hints=array())
900 $discover = new FeedDiscovery();
902 $feeduri = $discover->discoverFromFeedURL($feed_url);
903 $hints['feedurl'] = $feeduri;
905 $huburi = $discover->getHubLink();
906 $hints['hub'] = $huburi;
907 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
908 $hints['salmon'] = $salmonuri;
910 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
911 // We can only deal with folks with a PuSH hub
912 throw new FeedSubNoHubException();
915 $feedEl = $discover->root;
917 if ($feedEl->tagName == 'feed') {
918 return self::ensureAtomFeed($feedEl, $hints);
919 } else if ($feedEl->tagName == 'channel') {
920 return self::ensureRssChannel($feedEl, $hints);
922 throw new FeedSubBadXmlException($feeduri);
927 * Look up and, if necessary, create an Ostatus_profile for the remote
928 * profile with the given Atom feed - actually loaded from the feed.
929 * This should never return null -- you will either get an object or
930 * an exception will be thrown.
932 * @param DOMElement $feedEl root element of a loaded Atom feed
933 * @param array $hints additional discovery information passed from higher levels
934 * @fixme should this be marked public?
935 * @return Ostatus_profile
938 public static function ensureAtomFeed($feedEl, $hints)
940 // Try to get a profile from the feed activity:subject
942 $subject = ActivityUtils::child($feedEl, Activity::SUBJECT, Activity::SPEC);
944 if (!empty($subject)) {
945 $subjObject = new ActivityObject($subject);
946 return self::ensureActivityObjectProfile($subjObject, $hints);
949 // Otherwise, try the feed author
951 $author = ActivityUtils::child($feedEl, Activity::AUTHOR, Activity::ATOM);
953 if (!empty($author)) {
954 $authorObject = new ActivityObject($author);
955 return self::ensureActivityObjectProfile($authorObject, $hints);
958 // Sheesh. Not a very nice feed! Let's try fingerpoken in the
961 $entries = $feedEl->getElementsByTagNameNS(Activity::ATOM, 'entry');
963 if (!empty($entries) && $entries->length > 0) {
965 $entry = $entries->item(0);
967 $actor = ActivityUtils::child($entry, Activity::ACTOR, Activity::SPEC);
969 if (!empty($actor)) {
970 $actorObject = new ActivityObject($actor);
971 return self::ensureActivityObjectProfile($actorObject, $hints);
975 $author = ActivityUtils::child($entry, Activity::AUTHOR, Activity::ATOM);
977 if (!empty($author)) {
978 $authorObject = new ActivityObject($author);
979 return self::ensureActivityObjectProfile($authorObject, $hints);
983 // XXX: make some educated guesses here
984 // TRANS: Feed sub exception.
985 throw new FeedSubException(_m('Can\'t find enough profile information to make a feed.'));
989 * Look up and, if necessary, create an Ostatus_profile for the remote
990 * profile with the given RSS feed - actually loaded from the feed.
991 * This should never return null -- you will either get an object or
992 * an exception will be thrown.
994 * @param DOMElement $feedEl root element of a loaded RSS feed
995 * @param array $hints additional discovery information passed from higher levels
996 * @fixme should this be marked public?
997 * @return Ostatus_profile
1000 public static function ensureRssChannel($feedEl, $hints)
1002 // Special-case for Posterous. They have some nice metadata in their
1003 // posterous:author elements. We should use them instead of the channel.
1005 $items = $feedEl->getElementsByTagName('item');
1007 if ($items->length > 0) {
1008 $item = $items->item(0);
1009 $authorEl = ActivityUtils::child($item, ActivityObject::AUTHOR, ActivityObject::POSTEROUS);
1010 if (!empty($authorEl)) {
1011 $obj = ActivityObject::fromPosterousAuthor($authorEl);
1012 // Posterous has multiple authors per feed, and multiple feeds
1013 // per author. We check if this is the "main" feed for this author.
1014 if (array_key_exists('profileurl', $hints) &&
1015 !empty($obj->poco) &&
1016 common_url_to_nickname($hints['profileurl']) == $obj->poco->preferredUsername) {
1017 return self::ensureActivityObjectProfile($obj, $hints);
1022 // @fixme we should check whether this feed has elements
1023 // with different <author> or <dc:creator> elements, and... I dunno.
1024 // Do something about that.
1026 $obj = ActivityObject::fromRssChannel($feedEl);
1028 return self::ensureActivityObjectProfile($obj, $hints);
1032 * Download and update given avatar image
1034 * @param string $url
1035 * @throws Exception in various failure cases
1037 protected function updateAvatar($url)
1039 if ($url == $this->avatar) {
1040 // We've already got this one.
1043 if (!common_valid_http_url($url)) {
1044 // TRANS: Server exception. %s is a URL.
1045 throw new ServerException(sprintf(_m("Invalid avatar URL %s."), $url));
1048 if ($this->isGroup()) {
1049 $self = $this->localGroup();
1051 $self = $this->localProfile();
1054 throw new ServerException(sprintf(
1055 // TRANS: Server exception. %s is a URI.
1056 _m("Tried to update avatar for unsaved remote profile %s."),
1060 // @fixme this should be better encapsulated
1061 // ripped from oauthstore.php (for old OMB client)
1062 $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
1064 if (!copy($url, $temp_filename)) {
1065 // TRANS: Server exception. %s is a URL.
1066 throw new ServerException(sprintf(_m("Unable to fetch avatar from %s."), $url));
1069 if ($this->isGroup()) {
1070 $id = $this->group_id;
1072 $id = $this->profile_id;
1074 // @fixme should we be using different ids?
1075 $imagefile = new ImageFile($id, $temp_filename);
1076 $filename = Avatar::filename($id,
1077 image_type_to_extension($imagefile->type),
1079 common_timestamp());
1080 rename($temp_filename, Avatar::path($filename));
1081 } catch (Exception $e) {
1082 unlink($temp_filename);
1085 // @fixme hardcoded chmod is lame, but seems to be necessary to
1086 // keep from accidentally saving images from command-line (queues)
1087 // that can't be read from web server, which causes hard-to-notice
1088 // problems later on:
1090 // http://status.net/open-source/issues/2663
1091 chmod(Avatar::path($filename), 0644);
1093 $self->setOriginal($filename);
1095 $orig = clone($this);
1096 $this->avatar = $url;
1097 $this->update($orig);
1101 * Pull avatar URL from ActivityObject or profile hints
1103 * @param ActivityObject $object
1104 * @param array $hints
1105 * @return mixed URL string or false
1108 public static function getActivityObjectAvatar($object, $hints=array())
1110 if ($object->avatarLinks) {
1112 // Take the exact-size avatar, or the largest avatar, or the first avatar if all sizeless
1113 foreach ($object->avatarLinks as $avatar) {
1114 if ($avatar->width == AVATAR_PROFILE_SIZE && $avatar->height = AVATAR_PROFILE_SIZE) {
1119 if (!$best || $avatar->width > $best->width) {
1124 } else if (array_key_exists('avatar', $hints)) {
1125 return $hints['avatar'];
1131 * Get an appropriate avatar image source URL, if available.
1133 * @param ActivityObject $actor
1134 * @param DOMElement $feed
1138 protected static function getAvatar($actor, $feed)
1142 if ($actor->avatar) {
1143 $url = trim($actor->avatar);
1146 // Check <atom:logo> and <atom:icon> on the feed
1147 $els = $feed->childNodes();
1148 if ($els && $els->length) {
1149 for ($i = 0; $i < $els->length; $i++) {
1150 $el = $els->item($i);
1151 if ($el->namespaceURI == Activity::ATOM) {
1152 if (empty($url) && $el->localName == 'logo') {
1153 $url = trim($el->textContent);
1156 if (empty($icon) && $el->localName == 'icon') {
1157 // Use as a fallback
1158 $icon = trim($el->textContent);
1163 if ($icon && !$url) {
1168 $opts = array('allowed_schemes' => array('http', 'https'));
1169 if (Validate::uri($url, $opts)) {
1173 return common_path('plugins/OStatus/images/96px-Feed-icon.svg.png');
1177 * Fetch, or build if necessary, an Ostatus_profile for the actor
1178 * in a given Activity Streams activity.
1179 * This should never return null -- you will either get an object or
1180 * an exception will be thrown.
1182 * @param Activity $activity
1183 * @param string $feeduri if we already know the canonical feed URI!
1184 * @param string $salmonuri if we already know the salmon return channel URI
1185 * @return Ostatus_profile
1189 public static function ensureActorProfile($activity, $hints=array())
1191 return self::ensureActivityObjectProfile($activity->actor, $hints);
1195 * Fetch, or build if necessary, an Ostatus_profile for the profile
1196 * in a given Activity Streams object (can be subject, actor, or object).
1197 * This should never return null -- you will either get an object or
1198 * an exception will be thrown.
1200 * @param ActivityObject $object
1201 * @param array $hints additional discovery information passed from higher levels
1202 * @return Ostatus_profile
1206 public static function ensureActivityObjectProfile($object, $hints=array())
1208 $profile = self::getActivityObjectProfile($object);
1210 $profile->updateFromActivityObject($object, $hints);
1212 $profile = self::createActivityObjectProfile($object, $hints);
1218 * @param Activity $activity
1219 * @return mixed matching Ostatus_profile or false if none known
1220 * @throws ServerException if feed info invalid
1222 public static function getActorProfile($activity)
1224 return self::getActivityObjectProfile($activity->actor);
1228 * @param ActivityObject $activity
1229 * @return mixed matching Ostatus_profile or false if none known
1230 * @throws ServerException if feed info invalid
1232 protected static function getActivityObjectProfile($object)
1234 $uri = self::getActivityObjectProfileURI($object);
1235 return Ostatus_profile::staticGet('uri', $uri);
1239 * Get the identifier URI for the remote entity described
1240 * by this ActivityObject. This URI is *not* guaranteed to be
1241 * a resolvable HTTP/HTTPS URL.
1243 * @param ActivityObject $object
1245 * @throws ServerException if feed info invalid
1247 protected static function getActivityObjectProfileURI($object)
1250 if (ActivityUtils::validateUri($object->id)) {
1255 // If the id is missing or invalid (we've seen feeds mistakenly listing
1256 // things like local usernames in that field) then we'll use the profile
1257 // page link, if valid.
1258 if ($object->link && common_valid_http_url($object->link)) {
1259 return $object->link;
1261 throw new ServerException("No author ID URI found.");
1265 * @fixme validate stuff somewhere
1269 * Create local ostatus_profile and profile/user_group entries for
1270 * the provided remote user or group.
1271 * This should never return null -- you will either get an object or
1272 * an exception will be thrown.
1274 * @param ActivityObject $object
1275 * @param array $hints
1277 * @return Ostatus_profile
1279 protected static function createActivityObjectProfile($object, $hints=array())
1281 $homeuri = $object->id;
1285 common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
1286 throw new Exception("No profile URI");
1289 $user = User::staticGet('uri', $homeuri);
1291 // TRANS: Exception.
1292 throw new Exception(_m('Local user can\'t be referenced as remote.'));
1295 if (OStatusPlugin::localGroupFromUrl($homeuri)) {
1296 // TRANS: Exception.
1297 throw new Exception(_m('Local group can\'t be referenced as remote.'));
1300 if (array_key_exists('feedurl', $hints)) {
1301 $feeduri = $hints['feedurl'];
1303 $discover = new FeedDiscovery();
1304 $feeduri = $discover->discoverFromURL($homeuri);
1307 if (array_key_exists('salmon', $hints)) {
1308 $salmonuri = $hints['salmon'];
1311 $discover = new FeedDiscovery();
1312 $discover->discoverFromFeedURL($hints['feedurl']);
1314 $salmonuri = $discover->getAtomLink(Salmon::NS_REPLIES);
1317 if (array_key_exists('hub', $hints)) {
1318 $huburi = $hints['hub'];
1321 $discover = new FeedDiscovery();
1322 $discover->discoverFromFeedURL($hints['feedurl']);
1324 $huburi = $discover->getHubLink();
1327 if (!$huburi && !common_config('feedsub', 'fallback_hub')) {
1328 // We can only deal with folks with a PuSH hub
1329 throw new FeedSubNoHubException();
1332 $oprofile = new Ostatus_profile();
1334 $oprofile->uri = $homeuri;
1335 $oprofile->feeduri = $feeduri;
1336 $oprofile->salmonuri = $salmonuri;
1338 $oprofile->created = common_sql_now();
1339 $oprofile->modified = common_sql_now();
1341 if ($object->type == ActivityObject::PERSON) {
1342 $profile = new Profile();
1343 $profile->created = common_sql_now();
1344 self::updateProfile($profile, $object, $hints);
1346 $oprofile->profile_id = $profile->insert();
1347 if (!$oprofile->profile_id) {
1348 // TRANS: Server exception.
1349 throw new ServerException(_m('Can\'t save local profile.'));
1352 $group = new User_group();
1353 $group->uri = $homeuri;
1354 $group->created = common_sql_now();
1355 self::updateGroup($group, $object, $hints);
1357 $oprofile->group_id = $group->insert();
1358 if (!$oprofile->group_id) {
1359 // TRANS: Server exception.
1360 throw new ServerException(_m('Can\'t save local profile.'));
1364 $ok = $oprofile->insert();
1367 // TRANS: Server exception.
1368 throw new ServerException(_m('Can\'t save OStatus profile.'));
1371 $avatar = self::getActivityObjectAvatar($object, $hints);
1375 $oprofile->updateAvatar($avatar);
1376 } catch (Exception $ex) {
1377 // Profile is saved, but Avatar is messed up. We're
1378 // just going to continue.
1379 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: ". $ex->getMessage());
1387 * Save any updated profile information to our local copy.
1388 * @param ActivityObject $object
1389 * @param array $hints
1391 public function updateFromActivityObject($object, $hints=array())
1393 if ($this->isGroup()) {
1394 $group = $this->localGroup();
1395 self::updateGroup($group, $object, $hints);
1397 $profile = $this->localProfile();
1398 self::updateProfile($profile, $object, $hints);
1400 $avatar = self::getActivityObjectAvatar($object, $hints);
1403 $this->updateAvatar($avatar);
1404 } catch (Exception $ex) {
1405 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: " . $ex->getMessage());
1410 public static function updateProfile($profile, $object, $hints=array())
1412 $orig = clone($profile);
1414 $profile->nickname = self::getActivityObjectNickname($object, $hints);
1416 if (!empty($object->title)) {
1417 $profile->fullname = $object->title;
1418 } else if (array_key_exists('fullname', $hints)) {
1419 $profile->fullname = $hints['fullname'];
1422 if (!empty($object->link)) {
1423 $profile->profileurl = $object->link;
1424 } else if (array_key_exists('profileurl', $hints)) {
1425 $profile->profileurl = $hints['profileurl'];
1426 } else if (Validate::uri($object->id, array('allowed_schemes' => array('http', 'https')))) {
1427 $profile->profileurl = $object->id;
1430 $profile->bio = self::getActivityObjectBio($object, $hints);
1431 $profile->location = self::getActivityObjectLocation($object, $hints);
1432 $profile->homepage = self::getActivityObjectHomepage($object, $hints);
1434 if (!empty($object->geopoint)) {
1435 $location = ActivityContext::locationFromPoint($object->geopoint);
1436 if (!empty($location)) {
1437 $profile->lat = $location->lat;
1438 $profile->lon = $location->lon;
1442 // @fixme tags/categories
1443 // @todo tags from categories
1446 common_log(LOG_DEBUG, "Updating OStatus profile $profile->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1447 $profile->update($orig);
1451 protected static function updateGroup($group, $object, $hints=array())
1453 $orig = clone($group);
1455 $group->nickname = self::getActivityObjectNickname($object, $hints);
1456 $group->fullname = $object->title;
1458 if (!empty($object->link)) {
1459 $group->mainpage = $object->link;
1460 } else if (array_key_exists('profileurl', $hints)) {
1461 $group->mainpage = $hints['profileurl'];
1464 // @todo tags from categories
1465 $group->description = self::getActivityObjectBio($object, $hints);
1466 $group->location = self::getActivityObjectLocation($object, $hints);
1467 $group->homepage = self::getActivityObjectHomepage($object, $hints);
1470 common_log(LOG_DEBUG, "Updating OStatus group $group->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1471 $group->update($orig);
1475 protected static function getActivityObjectHomepage($object, $hints=array())
1478 $poco = $object->poco;
1480 if (!empty($poco)) {
1481 $url = $poco->getPrimaryURL();
1482 if ($url && $url->type == 'homepage') {
1483 $homepage = $url->value;
1487 // @todo Try for a another PoCo URL?
1492 protected static function getActivityObjectLocation($object, $hints=array())
1496 if (!empty($object->poco) &&
1497 isset($object->poco->address->formatted)) {
1498 $location = $object->poco->address->formatted;
1499 } else if (array_key_exists('location', $hints)) {
1500 $location = $hints['location'];
1503 if (!empty($location)) {
1504 if (mb_strlen($location) > 255) {
1505 $location = mb_substr($note, 0, 255 - 3) . ' … ';
1509 // @todo Try to find location some othe way? Via goerss point?
1514 protected static function getActivityObjectBio($object, $hints=array())
1518 if (!empty($object->poco)) {
1519 $note = $object->poco->note;
1520 } else if (array_key_exists('bio', $hints)) {
1521 $note = $hints['bio'];
1524 if (!empty($note)) {
1525 if (Profile::bioTooLong($note)) {
1526 // XXX: truncate ok?
1527 $bio = mb_substr($note, 0, Profile::maxBio() - 3) . ' … ';
1533 // @todo Try to get bio info some other way?
1538 public static function getActivityObjectNickname($object, $hints=array())
1540 if ($object->poco) {
1541 if (!empty($object->poco->preferredUsername)) {
1542 return common_nicknamize($object->poco->preferredUsername);
1546 if (!empty($object->nickname)) {
1547 return common_nicknamize($object->nickname);
1550 if (array_key_exists('nickname', $hints)) {
1551 return $hints['nickname'];
1554 // Try the profile url (like foo.example.com or example.com/user/foo)
1556 $profileUrl = ($object->link) ? $object->link : $hints['profileurl'];
1558 if (!empty($profileUrl)) {
1559 $nickname = self::nicknameFromURI($profileUrl);
1562 // Try the URI (may be a tag:, http:, acct:, ...
1564 if (empty($nickname)) {
1565 $nickname = self::nicknameFromURI($object->id);
1568 // Try a Webfinger if one was passed (way) down
1570 if (empty($nickname)) {
1571 if (array_key_exists('webfinger', $hints)) {
1572 $nickname = self::nicknameFromURI($hints['webfinger']);
1578 if (empty($nickname)) {
1579 $nickname = common_nicknamize($object->title);
1585 protected static function nicknameFromURI($uri)
1587 preg_match('/(\w+):/', $uri, $matches);
1589 $protocol = $matches[1];
1591 switch ($protocol) {
1594 if (preg_match("/^$protocol:(.*)?@.*\$/", $uri, $matches)) {
1595 return common_canonical_nickname($matches[1]);
1599 return common_url_to_nickname($uri);
1607 * Look up, and if necessary create, an Ostatus_profile for the remote
1608 * entity with the given webfinger address.
1609 * This should never return null -- you will either get an object or
1610 * an exception will be thrown.
1612 * @param string $addr webfinger address
1613 * @return Ostatus_profile
1614 * @throws Exception on error conditions
1615 * @throws OStatusShadowException if this reference would obscure a local user/group
1617 public static function ensureWebfinger($addr)
1619 // First, try the cache
1621 $uri = self::cacheGet(sprintf('ostatus_profile:webfinger:%s', $addr));
1623 if ($uri !== false) {
1624 if (is_null($uri)) {
1625 // Negative cache entry
1626 // TRANS: Exception.
1627 throw new Exception(_m('Not a valid webfinger address.'));
1629 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1630 if (!empty($oprofile)) {
1635 // Try looking it up
1637 $oprofile = Ostatus_profile::staticGet('uri', 'acct:'.$addr);
1639 if (!empty($oprofile)) {
1640 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1644 // Now, try some discovery
1646 $disco = new Discovery();
1649 $xrd = $disco->lookup($addr);
1650 } catch (Exception $e) {
1651 // Save negative cache entry so we don't waste time looking it up again.
1652 // @fixme distinguish temporary failures?
1653 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), null);
1654 // TRANS: Exception.
1655 throw new Exception(_m('Not a valid webfinger address.'));
1658 $hints = array('webfinger' => $addr);
1660 $dhints = DiscoveryHints::fromXRD($xrd);
1662 $hints = array_merge($hints, $dhints);
1664 // If there's an Hcard, let's grab its info
1666 if (array_key_exists('hcard', $hints)) {
1667 if (!array_key_exists('profileurl', $hints) ||
1668 $hints['hcard'] != $hints['profileurl']) {
1669 $hcardHints = DiscoveryHints::fromHcardUrl($hints['hcard']);
1670 $hints = array_merge($hcardHints, $hints);
1674 // If we got a feed URL, try that
1676 if (array_key_exists('feedurl', $hints)) {
1678 common_log(LOG_INFO, "Discovery on acct:$addr with feed URL " . $hints['feedurl']);
1679 $oprofile = self::ensureFeedURL($hints['feedurl'], $hints);
1680 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1682 } catch (Exception $e) {
1683 common_log(LOG_WARNING, "Failed creating profile from feed URL '$feedUrl': " . $e->getMessage());
1688 // If we got a profile page, try that!
1690 if (array_key_exists('profileurl', $hints)) {
1692 common_log(LOG_INFO, "Discovery on acct:$addr with profile URL $profileUrl");
1693 $oprofile = self::ensureProfileURL($hints['profileurl'], $hints);
1694 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1696 } catch (OStatusShadowException $e) {
1697 // We've ended up with a remote reference to a local user or group.
1698 // @fixme ideally we should be able to say who it was so we can
1699 // go back and refer to it the regular way
1701 } catch (Exception $e) {
1702 common_log(LOG_WARNING, "Failed creating profile from profile URL '$profileUrl': " . $e->getMessage());
1705 // @fixme this means an error discovering from profile page
1706 // may give us a corrupt entry using the webfinger URI, which
1707 // will obscure the correct page-keyed profile later on.
1714 if (array_key_exists('salmon', $hints)) {
1716 $salmonEndpoint = $hints['salmon'];
1718 // An account URL, a salmon endpoint, and a dream? Not much to go
1719 // on, but let's give it a try
1721 $uri = 'acct:'.$addr;
1723 $profile = new Profile();
1725 $profile->nickname = self::nicknameFromUri($uri);
1726 $profile->created = common_sql_now();
1728 if (isset($profileUrl)) {
1729 $profile->profileurl = $profileUrl;
1732 $profile_id = $profile->insert();
1735 common_log_db_error($profile, 'INSERT', __FILE__);
1736 // TRANS: Exception. %s is a webfinger address.
1737 throw new Exception(sprintf(_m('Couldn\'t save profile for "%s".'),$addr));
1740 $oprofile = new Ostatus_profile();
1742 $oprofile->uri = $uri;
1743 $oprofile->salmonuri = $salmonEndpoint;
1744 $oprofile->profile_id = $profile_id;
1745 $oprofile->created = common_sql_now();
1747 if (isset($feedUrl)) {
1748 $profile->feeduri = $feedUrl;
1751 $result = $oprofile->insert();
1754 common_log_db_error($oprofile, 'INSERT', __FILE__);
1755 // TRANS: Exception. %s is a webfinger address.
1756 throw new Exception(sprintf(_m('Couldn\'t save ostatus_profile for "%s".'),$addr));
1759 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->uri);
1763 // TRANS: Exception. %s is a webfinger address.
1764 throw new Exception(sprintf(_m('Couldn\'t find a valid profile for "%s".'),$addr));
1768 * Store the full-length scrubbed HTML of a remote notice to an attachment
1769 * file on our server. We'll link to this at the end of the cropped version.
1771 * @param string $title plaintext for HTML page's title
1772 * @param string $rendered HTML fragment for HTML page's body
1775 function saveHTMLFile($title, $rendered)
1777 $final = sprintf("<!DOCTYPE html>\n" .
1779 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">' .
1780 '<title>%s</title>' .
1782 '<body>%s</body></html>',
1783 htmlspecialchars($title),
1786 $filename = File::filename($this->localProfile(),
1787 'ostatus', // ignored?
1790 $filepath = File::path($filename);
1792 file_put_contents($filepath, $final);
1796 $file->filename = $filename;
1797 $file->url = File::url($filename);
1798 $file->size = filesize($filepath);
1799 $file->date = time();
1800 $file->mimetype = 'text/html';
1802 $file_id = $file->insert();
1804 if ($file_id === false) {
1805 common_log_db_error($file, "INSERT", __FILE__);
1806 // TRANS: Server exception.
1807 throw new ServerException(_m('Could not store HTML content of long post as file.'));
1813 static function ensureProfileURI($uri)
1817 // First, try to query it
1819 $oprofile = Ostatus_profile::staticGet('uri', $uri);
1821 // If unfound, do discovery stuff
1823 if (empty($oprofile)) {
1824 if (preg_match("/^(\w+)\:(.*)/", $uri, $match)) {
1825 $protocol = $match[1];
1826 switch ($protocol) {
1829 $oprofile = Ostatus_profile::ensureProfileURL($uri);
1834 $oprofile = Ostatus_profile::ensureWebfinger($rest);
1836 common_log("Unrecognized URI protocol for profile: $protocol ($uri)");
1846 * Exception indicating we've got a remote reference to a local user,
1847 * not a remote user!
1849 * If we can ue a local profile after all, it's available as $e->profile.
1851 class OStatusShadowException extends Exception
1856 * @param Profile $profile
1857 * @param string $message
1859 function __construct($profile, $message) {
1860 $this->profile = $profile;
1861 parent::__construct($message);