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('GNUSOCIAL')) { exit(1); }
23 * @package OStatusPlugin
24 * @author Brion Vibber <brion@status.net>
25 * @maintainer Mikael Nordfeldth <mmn@hethane.se>
27 class Ostatus_profile extends Managed_DataObject
29 public $__table = 'ostatus_profile';
39 public $avatar; // remote URL of the last avatar we saved
45 * Return table definition for Schema setup and DB_DataObject usage.
47 * @return array array of column definitions
49 static function schemaDef()
53 'uri' => array('type' => 'varchar', 'length' => 191, 'not null' => true),
54 'profile_id' => array('type' => 'integer'),
55 'group_id' => array('type' => 'integer'),
56 'peopletag_id' => array('type' => 'integer'),
57 'feeduri' => array('type' => 'varchar', 'length' => 191),
58 'salmonuri' => array('type' => 'varchar', 'length' => 191),
59 'avatar' => array('type' => 'text'),
60 'created' => array('type' => 'datetime', 'not null' => true),
61 'modified' => array('type' => 'datetime', 'not null' => true),
63 'primary key' => array('uri'),
64 'unique keys' => array(
65 'ostatus_profile_profile_id_key' => array('profile_id'),
66 'ostatus_profile_group_id_key' => array('group_id'),
67 'ostatus_profile_peopletag_id_key' => array('peopletag_id'),
68 'ostatus_profile_feeduri_key' => array('feeduri'),
70 'foreign keys' => array(
71 'ostatus_profile_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
72 'ostatus_profile_group_id_fkey' => array('user_group', array('group_id' => 'id')),
73 'ostatus_profile_peopletag_id_fkey' => array('profile_list', array('peopletag_id' => 'id')),
78 public function getUri()
83 public function fromProfile(Profile $profile)
85 $oprofile = Ostatus_profile::getKV('profile_id', $profile->id);
86 if (!$oprofile instanceof Ostatus_profile) {
87 throw new Exception('No Ostatus_profile for Profile ID: '.$profile->id);
92 * Fetch the locally stored profile for this feed
94 * @throws NoProfileException if it was not found
96 public function localProfile()
98 if ($this->isGroup()) {
99 return $this->localGroup()->getProfile();
102 $profile = Profile::getKV('id', $this->profile_id);
103 if (!$profile instanceof Profile) {
104 throw new NoProfileException($this->profile_id);
110 * Fetch the StatusNet-side profile for this feed
113 public function localGroup()
115 $group = User_group::getKV('id', $this->group_id);
117 if (!$group instanceof User_group) {
118 throw new NoSuchGroupException(array('id'=>$this->group_id));
125 * Fetch the StatusNet-side peopletag for this feed
128 public function localPeopletag()
130 if ($this->peopletag_id) {
131 return Profile_list::getKV('id', $this->peopletag_id);
137 * Returns an ActivityObject describing this remote user or group profile.
138 * Can then be used to generate Atom chunks.
140 * @return ActivityObject
142 function asActivityObject()
144 if ($this->isGroup()) {
145 return ActivityObject::fromGroup($this->localGroup());
146 } else if ($this->isPeopletag()) {
147 return ActivityObject::fromPeopletag($this->localPeopletag());
149 return $this->localProfile()->asActivityObject();
154 * Returns an XML string fragment with profile information as an
155 * Activity Streams noun object with the given element type.
157 * Assumes that 'activity' namespace has been previously defined.
159 * @todo FIXME: Replace with wrappers on asActivityObject when it's got everything.
161 * @param string $element one of 'actor', 'subject', 'object', 'target'
164 function asActivityNoun($element)
166 if ($this->isGroup()) {
167 $noun = ActivityObject::fromGroup($this->localGroup());
168 return $noun->asString('activity:' . $element);
169 } else if ($this->isPeopletag()) {
170 $noun = ActivityObject::fromPeopletag($this->localPeopletag());
171 return $noun->asString('activity:' . $element);
173 $noun = $this->localProfile()->asActivityObject();
174 return $noun->asString('activity:' . $element);
179 * @return boolean true if this is a remote group
183 if ($this->profile_id || $this->peopletag_id && !$this->group_id) {
185 } else if ($this->group_id && !$this->profile_id && !$this->peopletag_id) {
187 } else if ($this->group_id && ($this->profile_id || $this->peopletag_id)) {
188 // TRANS: Server exception. %s is a URI
189 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: Two or more IDs set for %s.'), $this->getUri()));
191 // TRANS: Server exception. %s is a URI
192 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: All IDs empty for %s.'), $this->getUri()));
197 * @return boolean true if this is a remote peopletag
199 function isPeopletag()
201 if ($this->profile_id || $this->group_id && !$this->peopletag_id) {
203 } else if ($this->peopletag_id && !$this->profile_id && !$this->group_id) {
205 } else if ($this->peopletag_id && ($this->profile_id || $this->group_id)) {
206 // TRANS: Server exception. %s is a URI
207 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: Two or more IDs set for %s.'), $this->getUri()));
209 // TRANS: Server exception. %s is a URI
210 throw new ServerException(sprintf(_m('Invalid ostatus_profile state: All IDs empty for %s.'), $this->getUri()));
215 * Send a subscription request to the hub for this feed.
216 * The hub will later send us a confirmation POST to /main/push/callback.
219 * @throws ServerException if feed state is not valid or subscription fails.
221 public function subscribe()
223 $feedsub = FeedSub::ensureFeed($this->feeduri);
224 if ($feedsub->sub_state == 'active') {
225 // Active subscription, we don't need to do anything.
229 // Inactive or we got left in an inconsistent state.
230 // Run a subscription request to make sure we're current!
231 return $feedsub->subscribe();
235 * Check if this remote profile has any active local subscriptions, and
236 * if not drop the PuSH subscription feed.
238 * @return boolean true if subscription is removed, false if there are still subscribers to the feed
239 * @throws Exception of various kinds on failure.
241 public function unsubscribe() {
242 return $this->garbageCollect();
246 * Check if this remote profile has any active local subscriptions, and
247 * if not drop the PuSH subscription feed.
249 * @return boolean true if subscription is removed, false if there are still subscribers to the feed
250 * @throws Exception of various kinds on failure.
252 public function garbageCollect()
254 $feedsub = FeedSub::getKV('uri', $this->feeduri);
255 if ($feedsub instanceof FeedSub) {
256 return $feedsub->garbageCollect();
258 // Since there's no FeedSub we can assume it's already garbage collected
263 * Check if this remote profile has any active local subscriptions, so the
264 * PuSH subscription layer can decide if it can drop the feed.
266 * This gets called via the FeedSubSubscriberCount event when running
267 * FeedSub::garbageCollect().
270 * @throws NoProfileException if there is no local profile for the object
272 public function subscriberCount()
274 if ($this->isGroup()) {
275 $members = $this->localGroup()->getMembers(0, 1);
276 $count = $members->N;
277 } else if ($this->isPeopletag()) {
278 $subscribers = $this->localPeopletag()->getSubscribers(0, 1);
279 $count = $subscribers->N;
281 $profile = $this->localProfile();
282 if ($profile->hasLocalTags()) {
285 $count = $profile->subscriberCount();
288 common_log(LOG_INFO, __METHOD__ . " SUB COUNT BEFORE: $count");
290 // Other plugins may be piggybacking on OStatus without having
291 // an active group or user-to-user subscription we know about.
292 Event::handle('Ostatus_profileSubscriberCount', array($this, &$count));
293 common_log(LOG_INFO, __METHOD__ . " SUB COUNT AFTER: $count");
299 * Send an Activity Streams notification to the remote Salmon endpoint,
302 * @param Profile $actor Actor who did the activity
303 * @param string $verb Activity::SUBSCRIBE or Activity::JOIN
304 * @param Object $object object of the action; must define asActivityNoun($tag)
306 public function notify(Profile $actor, $verb, $object=null, $target=null)
308 if ($object == null) {
311 if (empty($this->salmonuri)) {
315 $id = TagURI::mint('%s:%s:%s',
318 common_date_iso8601(time()));
320 // @todo FIXME: Consolidate all these NS settings somewhere.
321 $attributes = array('xmlns' => Activity::ATOM,
322 'xmlns:activity' => 'http://activitystrea.ms/spec/1.0/',
323 'xmlns:thr' => 'http://purl.org/syndication/thread/1.0',
324 'xmlns:georss' => 'http://www.georss.org/georss',
325 'xmlns:ostatus' => 'http://ostatus.org/schema/1.0',
326 'xmlns:poco' => 'http://portablecontacts.net/spec/1.0',
327 'xmlns:media' => 'http://purl.org/syndication/atommedia');
329 $entry = new XMLStringer();
330 $entry->elementStart('entry', $attributes);
331 $entry->element('id', null, $id);
332 $entry->element('title', null, $text);
333 $entry->element('summary', null, $text);
334 $entry->element('published', null, common_date_w3dtf(common_sql_now()));
336 $entry->element('activity:verb', null, $verb);
337 $entry->raw($actor->asAtomAuthor());
338 $entry->raw($actor->asActivityActor());
339 $entry->raw($object->asActivityNoun('object'));
340 if ($target != null) {
341 $entry->raw($target->asActivityNoun('target'));
343 $entry->elementEnd('entry');
345 $xml = $entry->getString();
346 common_log(LOG_INFO, "Posting to Salmon endpoint $this->salmonuri: $xml");
348 Salmon::post($this->salmonuri, $xml, $actor->getUser());
352 * Send a Salmon notification ping immediately, and confirm that we got
353 * an acceptable response from the remote site.
355 * @param mixed $entry XML string, Notice, or Activity
356 * @param Profile $actor
357 * @return boolean success
359 public function notifyActivity($entry, Profile $actor)
361 if ($this->salmonuri) {
362 return Salmon::post($this->salmonuri, $this->notifyPrepXml($entry), $actor->getUser());
364 common_debug(__CLASS__.' error: No salmonuri for Ostatus_profile uri: '.$this->uri);
370 * Queue a Salmon notification for later. If queues are disabled we'll
371 * send immediately but won't get the return value.
373 * @param mixed $entry XML string, Notice, or Activity
374 * @return boolean success
376 public function notifyDeferred($entry, $actor)
378 if ($this->salmonuri) {
379 $data = array('salmonuri' => $this->salmonuri,
380 'entry' => $this->notifyPrepXml($entry),
381 'actor' => $actor->id);
383 $qm = QueueManager::get();
384 return $qm->enqueue($data, 'salmon');
390 protected function notifyPrepXml($entry)
392 $preamble = '<?xml version="1.0" encoding="UTF-8" ?' . '>';
393 if (is_string($entry)) {
395 } else if ($entry instanceof Activity) {
396 return $preamble . $entry->asString(true);
397 } else if ($entry instanceof Notice) {
398 return $preamble . $entry->asAtomEntry(true, true);
400 // TRANS: Server exception.
401 throw new ServerException(_m('Invalid type passed to Ostatus_profile::notify. It must be XML string or Activity entry.'));
405 function getBestName()
407 if ($this->isGroup()) {
408 return $this->localGroup()->getBestName();
409 } else if ($this->isPeopletag()) {
410 return $this->localPeopletag()->getBestName();
412 return $this->localProfile()->getBestName();
417 * Read and post notices for updates from the feed.
418 * Currently assumes that all items in the feed are new,
419 * coming from a PuSH hub.
421 * @param DOMDocument $doc
422 * @param string $source identifier ("push")
424 public function processFeed(DOMDocument $doc, $source)
426 $feed = $doc->documentElement;
428 if ($feed->localName == 'feed' && $feed->namespaceURI == Activity::ATOM) {
429 $this->processAtomFeed($feed, $source);
430 } else if ($feed->localName == 'rss') { // @todo FIXME: Check namespace.
431 $this->processRssFeed($feed, $source);
434 throw new Exception(_m('Unknown feed format.'));
438 public function processAtomFeed(DOMElement $feed, $source)
440 $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
441 if ($entries->length == 0) {
442 common_log(LOG_ERR, __METHOD__ . ": no entries in feed update, ignoring");
446 for ($i = 0; $i < $entries->length; $i++) {
447 $entry = $entries->item($i);
448 $this->processEntry($entry, $feed, $source);
452 public function processRssFeed(DOMElement $rss, $source)
454 $channels = $rss->getElementsByTagName('channel');
456 if ($channels->length == 0) {
458 throw new Exception(_m('RSS feed without a channel.'));
459 } else if ($channels->length > 1) {
460 common_log(LOG_WARNING, __METHOD__ . ": more than one channel in an RSS feed");
463 $channel = $channels->item(0);
465 $items = $channel->getElementsByTagName('item');
467 for ($i = 0; $i < $items->length; $i++) {
468 $item = $items->item($i);
469 $this->processEntry($item, $channel, $source);
474 * Process a posted entry from this feed source.
476 * @param DOMElement $entry
477 * @param DOMElement $feed for context
478 * @param string $source identifier ("push" or "salmon")
480 * @return Notice Notice representing the new (or existing) activity
482 public function processEntry($entry, $feed, $source)
484 $activity = new Activity($entry, $feed);
485 return $this->processActivity($activity, $source);
488 // TODO: Make this throw an exception
489 public function processActivity($activity, $source)
493 // The "WithProfile" events were added later.
495 if (Event::handle('StartHandleFeedEntryWithProfile', array($activity, $this->localProfile(), &$notice)) &&
496 Event::handle('StartHandleFeedEntry', array($activity))) {
498 switch ($activity->verb) {
499 case ActivityVerb::POST:
500 // @todo process all activity objects
501 switch ($activity->objects[0]->type) {
502 case ActivityObject::ARTICLE:
503 case ActivityObject::BLOGENTRY:
504 case ActivityObject::NOTE:
505 case ActivityObject::STATUS:
506 case ActivityObject::COMMENT:
508 $notice = $this->processPost($activity, $source);
511 // TRANS: Client exception.
512 throw new ClientException(_m('Cannot handle that kind of post.'));
516 common_log(LOG_INFO, "Ignoring activity with unrecognized verb $activity->verb");
519 Event::handle('EndHandleFeedEntry', array($activity));
520 Event::handle('EndHandleFeedEntryWithProfile', array($activity, $this, $notice));
527 * Process an incoming post activity from this remote feed.
528 * @param Activity $activity
529 * @param string $method 'push' or 'salmon'
530 * @return mixed saved Notice or false
531 * @todo FIXME: Break up this function, it's getting nasty long
533 public function processPost($activity, $method)
537 $profile = ActivityUtils::checkAuthorship($activity, $this->localProfile());
539 // It's not always an ActivityObject::NOTE, but... let's just say it is.
541 $note = $activity->objects[0];
543 // The id URI will be used as a unique identifier for the notice,
544 // protecting against duplicate saves. It isn't required to be a URL;
545 // tag: URIs for instance are found in Google Buzz feeds.
546 $sourceUri = $note->id;
547 $dupe = Notice::getKV('uri', $sourceUri);
548 if ($dupe instanceof Notice) {
549 common_log(LOG_INFO, "OStatus: ignoring duplicate post: $sourceUri");
553 // We'll also want to save a web link to the original notice, if provided.
556 $sourceUrl = $note->link;
557 } else if ($activity->link) {
558 $sourceUrl = $activity->link;
559 } else if (preg_match('!^https?://!', $note->id)) {
560 $sourceUrl = $note->id;
563 // Use summary as fallback for content
565 if (!empty($note->content)) {
566 $sourceContent = $note->content;
567 } else if (!empty($note->summary)) {
568 $sourceContent = $note->summary;
569 } else if (!empty($note->title)) {
570 $sourceContent = $note->title;
572 // @todo FIXME: Fetch from $sourceUrl?
573 // TRANS: Client exception. %s is a source URI.
574 throw new ClientException(sprintf(_m('No content for notice %s.'),$sourceUri));
577 // Get (safe!) HTML and text versions of the content
579 $rendered = common_purify($sourceContent);
580 $content = common_strip_html($rendered);
582 $shortened = common_shorten_links($content);
584 // If it's too long, try using the summary, and make the
585 // HTML an attachment.
589 if (Notice::contentTooLong($shortened)) {
590 $attachment = $this->saveHTMLFile($note->title, $rendered);
591 $summary = common_strip_html($note->summary);
592 if (empty($summary)) {
595 $shortSummary = common_shorten_links($summary);
596 if (Notice::contentTooLong($shortSummary)) {
597 $url = common_shorten_url($sourceUrl);
598 $shortSummary = substr($shortSummary,
600 Notice::maxContent() - (mb_strlen($url) + 2));
601 $content = $shortSummary . ' ' . $url;
603 // We mark up the attachment link specially for the HTML output
604 // so we can fold-out the full version inline.
606 // @todo FIXME i18n: This tooltip will be saved with the site's default language
607 // TRANS: Shown when a notice is longer than supported and/or when attachments are present. At runtime
608 // TRANS: this will usually be replaced with localised text from StatusNet core messages.
609 $showMoreText = _m('Show more');
610 $attachUrl = common_local_url('attachment',
611 array('attachment' => $attachment->id));
612 $rendered = common_render_text($shortSummary) .
613 '<a href="' . htmlspecialchars($attachUrl) .'"'.
614 ' class="attachment more"' .
615 ' title="'. htmlspecialchars($showMoreText) . '">' .
621 $options = array('is_local' => Notice::REMOTE,
624 'rendered' => $rendered,
625 'replies' => array(),
627 'peopletags' => array(),
631 // Check for optional attributes...
633 if (!empty($activity->time)) {
634 $options['created'] = common_sql_date($activity->time);
637 if ($activity->context) {
638 // TODO: context->attention
639 list($options['groups'], $options['replies'])
640 = self::filterAttention($profile, $activity->context->attention);
642 // Maintain direct reply associations
643 // @todo FIXME: What about conversation ID?
644 if (!empty($activity->context->replyToID)) {
645 $orig = Notice::getKV('uri', $activity->context->replyToID);
646 if ($orig instanceof Notice) {
647 $options['reply_to'] = $orig->id;
650 if (!empty($activity->context->conversation)) {
651 // we store the URI here, Notice class can look it up later
652 $options['conversation'] = $activity->context->conversation;
655 $location = $activity->context->location;
657 $options['lat'] = $location->lat;
658 $options['lon'] = $location->lon;
659 if ($location->location_id) {
660 $options['location_ns'] = $location->location_ns;
661 $options['location_id'] = $location->location_id;
666 if ($this->isPeopletag()) {
667 $options['peopletags'][] = $this->localPeopletag();
670 // Atom categories <-> hashtags
671 foreach ($activity->categories as $cat) {
673 $term = common_canonical_tag($cat->term);
675 $options['tags'][] = $term;
680 // Atom enclosures -> attachment URLs
681 foreach ($activity->enclosures as $href) {
682 // @todo FIXME: Save these locally or....?
683 $options['urls'][] = $href;
687 $saved = Notice::saveNew($profile->id,
691 if ($saved instanceof Notice) {
692 Ostatus_source::saveNew($saved, $this, $method);
693 if ($attachment instanceof File) {
694 File_to_post::processNew($attachment, $saved);
697 } catch (Exception $e) {
698 common_log(LOG_ERR, "OStatus save of remote message $sourceUri failed: " . $e->getMessage());
701 common_log(LOG_INFO, "OStatus saved remote message $sourceUri as notice id $saved->id");
706 * Filters a list of recipient ID URIs to just those for local delivery.
707 * @param Profile local profile of sender
708 * @param array in/out &$attention_uris set of URIs, will be pruned on output
709 * @return array of group IDs
711 static public function filterAttention(Profile $sender, array $attention)
713 common_log(LOG_DEBUG, "Original reply recipients: " . implode(', ', array_keys($attention)));
716 foreach ($attention as $recipient=>$type) {
717 // Is the recipient a local user?
718 $user = User::getKV('uri', $recipient);
719 if ($user instanceof User) {
720 // @todo FIXME: Sender verification, spam etc?
721 $replies[] = $recipient;
725 // Is the recipient a local group?
726 // TODO: $group = User_group::getKV('uri', $recipient);
727 $id = OStatusPlugin::localGroupFromUrl($recipient);
729 $group = User_group::getKV('id', $id);
730 if ($group instanceof User_group) {
731 // Deliver to all members of this local group if allowed.
732 if ($sender->isMember($group)) {
733 $groups[] = $group->id;
735 common_log(LOG_DEBUG, sprintf('Skipping reply to local group %s as sender %d is not a member', $group->getNickname(), $sender->id));
739 common_log(LOG_DEBUG, "Skipping reply to bogus group $recipient");
743 // Is the recipient a remote user or group?
745 $oprofile = self::ensureProfileURI($recipient);
746 if ($oprofile->isGroup()) {
747 // Deliver to local members of this remote group.
748 // @todo FIXME: Sender verification?
749 $groups[] = $oprofile->group_id;
751 // may be canonicalized or something
752 $replies[] = $oprofile->getUri();
755 } catch (Exception $e) {
756 // Neither a recognizable local nor remote user!
757 common_log(LOG_DEBUG, "Skipping reply to unrecognized profile $recipient: " . $e->getMessage());
761 common_log(LOG_DEBUG, "Local reply recipients: " . implode(', ', $replies));
762 common_log(LOG_DEBUG, "Local group recipients: " . implode(', ', $groups));
763 return array($groups, $replies);
767 * Look up and if necessary create an Ostatus_profile for the remote entity
768 * with the given profile page URL. This should never return null -- you
769 * will either get an object or an exception will be thrown.
771 * @param string $profile_url
772 * @return Ostatus_profile
773 * @throws Exception on various error conditions
774 * @throws OStatusShadowException if this reference would obscure a local user/group
776 public static function ensureProfileURL($profile_url, array $hints=array())
778 $oprofile = self::getFromProfileURL($profile_url);
780 if ($oprofile instanceof Ostatus_profile) {
784 $hints['profileurl'] = $profile_url;
789 $client = new HTTPClient();
790 $client->setHeader('Accept', 'text/html,application/xhtml+xml');
791 $response = $client->get($profile_url);
793 if (!$response->isOk()) {
794 // TRANS: Exception. %s is a profile URL.
795 throw new Exception(sprintf(_m('Could not reach profile page %s.'),$profile_url));
798 // Check if we have a non-canonical URL
800 $finalUrl = $response->getUrl();
802 if ($finalUrl != $profile_url) {
804 $hints['profileurl'] = $finalUrl;
806 $oprofile = self::getFromProfileURL($finalUrl);
808 if ($oprofile instanceof Ostatus_profile) {
813 // Try to get some hCard data
815 $body = $response->getBody();
817 $hcardHints = DiscoveryHints::hcardHints($body, $finalUrl);
819 if (!empty($hcardHints)) {
820 $hints = array_merge($hints, $hcardHints);
823 // Check if they've got an LRDD header
825 $lrdd = LinkHeader::getLink($response, 'lrdd');
827 $xrd = new XML_XRD();
828 $xrd->loadFile($lrdd);
829 $xrdHints = DiscoveryHints::fromXRD($xrd);
830 $hints = array_merge($hints, $xrdHints);
831 } catch (Exception $e) {
832 // No hints available from XRD
835 // If discovery found a feedurl (probably from LRDD), use it.
837 if (array_key_exists('feedurl', $hints)) {
838 return self::ensureFeedURL($hints['feedurl'], $hints);
841 // Get the feed URL from HTML
843 $discover = new FeedDiscovery();
845 $feedurl = $discover->discoverFromHTML($finalUrl, $body);
847 if (!empty($feedurl)) {
848 $hints['feedurl'] = $feedurl;
849 return self::ensureFeedURL($feedurl, $hints);
852 // TRANS: Exception. %s is a URL.
853 throw new Exception(sprintf(_m('Could not find a feed URL for profile page %s.'),$finalUrl));
857 * Look up the Ostatus_profile, if present, for a remote entity with the
858 * given profile page URL. Will return null for both unknown and invalid
861 * @return mixed Ostatus_profile or null
862 * @throws OStatusShadowException for local profiles
864 static function getFromProfileURL($profile_url)
866 $profile = Profile::getKV('profileurl', $profile_url);
867 if (!$profile instanceof Profile) {
872 $oprofile = self::getFromProfile($profile);
873 // We found the profile, return it!
875 } catch (NoResultException $e) {
876 // Could not find an OStatus profile, is it instead a local user?
877 $user = User::getKV('id', $profile->id);
878 if ($user instanceof User) {
879 // @todo i18n FIXME: use sprintf and add i18n (?)
880 throw new OStatusShadowException($profile, "'$profile_url' is the profile for local user '{$user->nickname}'.");
884 // Continue discovery; it's a remote profile
885 // for OMB or some other protocol, may also
891 static function getFromProfile(Profile $profile)
893 $oprofile = new Ostatus_profile();
894 $oprofile->profile_id = $profile->id;
895 if (!$oprofile->find(true)) {
896 throw new NoResultException($oprofile);
902 * Look up and if necessary create an Ostatus_profile for remote entity
903 * with the given update feed. This should never return null -- you will
904 * either get an object or an exception will be thrown.
906 * @return Ostatus_profile
909 public static function ensureFeedURL($feed_url, array $hints=array())
911 $oprofile = Ostatus_profile::getKV('feeduri', $feed_url);
912 if ($oprofile instanceof Ostatus_profile) {
916 $discover = new FeedDiscovery();
918 $feeduri = $discover->discoverFromFeedURL($feed_url);
919 $hints['feedurl'] = $feeduri;
921 $huburi = $discover->getHubLink();
922 $hints['hub'] = $huburi;
924 // XXX: NS_REPLIES is deprecated anyway, so let's remove it in the future.
925 $salmonuri = $discover->getAtomLink(Salmon::REL_SALMON)
926 ?: $discover->getAtomLink(Salmon::NS_REPLIES);
927 $hints['salmon'] = $salmonuri;
929 if (!$huburi && !common_config('feedsub', 'fallback_hub') && !common_config('feedsub', 'nohub')) {
930 // We can only deal with folks with a PuSH hub
931 // unless we have something similar available locally.
932 throw new FeedSubNoHubException();
935 $feedEl = $discover->root;
937 if ($feedEl->tagName == 'feed') {
938 return self::ensureAtomFeed($feedEl, $hints);
939 } else if ($feedEl->tagName == 'channel') {
940 return self::ensureRssChannel($feedEl, $hints);
942 throw new FeedSubBadXmlException($feeduri);
947 * Look up and, if necessary, create an Ostatus_profile for the remote
948 * profile with the given Atom feed - actually loaded from the feed.
949 * This should never return null -- you will either get an object or
950 * an exception will be thrown.
952 * @param DOMElement $feedEl root element of a loaded Atom feed
953 * @param array $hints additional discovery information passed from higher levels
954 * @todo FIXME: Should this be marked public?
955 * @return Ostatus_profile
958 public static function ensureAtomFeed(DOMElement $feedEl, array $hints)
960 $author = ActivityUtils::getFeedAuthor($feedEl);
962 if (empty($author)) {
963 // XXX: make some educated guesses here
964 // TRANS: Feed sub exception.
965 throw new FeedSubException(_m('Cannot find enough profile '.
966 'information to make a feed.'));
969 return self::ensureActivityObjectProfile($author, $hints);
973 * Look up and, if necessary, create an Ostatus_profile for the remote
974 * profile with the given RSS feed - actually loaded from the feed.
975 * This should never return null -- you will either get an object or
976 * an exception will be thrown.
978 * @param DOMElement $feedEl root element of a loaded RSS feed
979 * @param array $hints additional discovery information passed from higher levels
980 * @todo FIXME: Should this be marked public?
981 * @return Ostatus_profile
984 public static function ensureRssChannel(DOMElement $feedEl, array $hints)
986 // Special-case for Posterous. They have some nice metadata in their
987 // posterous:author elements. We should use them instead of the channel.
989 $items = $feedEl->getElementsByTagName('item');
991 if ($items->length > 0) {
992 $item = $items->item(0);
993 $authorEl = ActivityUtils::child($item, ActivityObject::AUTHOR, ActivityObject::POSTEROUS);
994 if (!empty($authorEl)) {
995 $obj = ActivityObject::fromPosterousAuthor($authorEl);
996 // Posterous has multiple authors per feed, and multiple feeds
997 // per author. We check if this is the "main" feed for this author.
998 if (array_key_exists('profileurl', $hints) &&
999 !empty($obj->poco) &&
1000 common_url_to_nickname($hints['profileurl']) == $obj->poco->preferredUsername) {
1001 return self::ensureActivityObjectProfile($obj, $hints);
1006 // @todo FIXME: We should check whether this feed has elements
1007 // with different <author> or <dc:creator> elements, and... I dunno.
1008 // Do something about that.
1010 $obj = ActivityObject::fromRssChannel($feedEl);
1012 return self::ensureActivityObjectProfile($obj, $hints);
1016 * Download and update given avatar image
1018 * @param string $url
1019 * @return Avatar The Avatar we have on disk. (seldom used)
1020 * @throws Exception in various failure cases
1022 public function updateAvatar($url, $force=false)
1025 // If avatar URL differs: update. If URLs were identical but we're forced: update.
1026 if ($url == $this->avatar && !$force) {
1027 // If there's no locally stored avatar, throw an exception and continue fetching below.
1028 $avatar = Avatar::getUploaded($this->localProfile()) instanceof Avatar;
1031 } catch (NoAvatarException $e) {
1032 // No avatar available, let's fetch it.
1035 if (!common_valid_http_url($url)) {
1036 // TRANS: Server exception. %s is a URL.
1037 throw new ServerException(sprintf(_m('Invalid avatar URL %s.'), $url));
1040 $self = $this->localProfile();
1042 // @todo FIXME: This should be better encapsulated
1043 // ripped from oauthstore.php (for old OMB client)
1044 $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
1046 $imgData = HTTPClient::quickGet($url);
1047 // Make sure it's at least an image file. ImageFile can do the rest.
1048 if (false === getimagesizefromstring($imgData)) {
1049 throw new UnsupportedMediaException(_('Downloaded group avatar was not an image.'));
1051 file_put_contents($temp_filename, $imgData);
1052 unset($imgData); // No need to carry this in memory.
1054 if ($this->isGroup()) {
1055 $id = $this->group_id;
1057 $id = $this->profile_id;
1059 $imagefile = new ImageFile(null, $temp_filename);
1060 $filename = Avatar::filename($id,
1061 image_type_to_extension($imagefile->type),
1063 common_timestamp());
1064 rename($temp_filename, Avatar::path($filename));
1065 } catch (Exception $e) {
1066 unlink($temp_filename);
1069 // @todo FIXME: Hardcoded chmod is lame, but seems to be necessary to
1070 // keep from accidentally saving images from command-line (queues)
1071 // that can't be read from web server, which causes hard-to-notice
1072 // problems later on:
1074 // http://status.net/open-source/issues/2663
1075 chmod(Avatar::path($filename), 0644);
1077 $self->setOriginal($filename);
1079 $orig = clone($this);
1080 $this->avatar = $url;
1081 $this->update($orig);
1083 return Avatar::getUploaded($self);
1087 * Pull avatar URL from ActivityObject or profile hints
1089 * @param ActivityObject $object
1090 * @param array $hints
1091 * @return mixed URL string or false
1093 public static function getActivityObjectAvatar(ActivityObject $object, array $hints=array())
1095 if ($object->avatarLinks) {
1097 // Take the exact-size avatar, or the largest avatar, or the first avatar if all sizeless
1098 foreach ($object->avatarLinks as $avatar) {
1099 if ($avatar->width == AVATAR_PROFILE_SIZE && $avatar->height = AVATAR_PROFILE_SIZE) {
1104 if (!$best || $avatar->width > $best->width) {
1109 } else if (array_key_exists('avatar', $hints)) {
1110 return $hints['avatar'];
1116 * Get an appropriate avatar image source URL, if available.
1118 * @param ActivityObject $actor
1119 * @param DOMElement $feed
1122 protected static function getAvatar(ActivityObject $actor, DOMElement $feed)
1126 if ($actor->avatar) {
1127 $url = trim($actor->avatar);
1130 // Check <atom:logo> and <atom:icon> on the feed
1131 $els = $feed->childNodes();
1132 if ($els && $els->length) {
1133 for ($i = 0; $i < $els->length; $i++) {
1134 $el = $els->item($i);
1135 if ($el->namespaceURI == Activity::ATOM) {
1136 if (empty($url) && $el->localName == 'logo') {
1137 $url = trim($el->textContent);
1140 if (empty($icon) && $el->localName == 'icon') {
1141 // Use as a fallback
1142 $icon = trim($el->textContent);
1147 if ($icon && !$url) {
1152 $opts = array('allowed_schemes' => array('http', 'https'));
1153 if (common_valid_http_url($url)) {
1158 return Plugin::staticPath('OStatus', 'images/96px-Feed-icon.svg.png');
1162 * Fetch, or build if necessary, an Ostatus_profile for the actor
1163 * in a given Activity Streams activity.
1164 * This should never return null -- you will either get an object or
1165 * an exception will be thrown.
1167 * @param Activity $activity
1168 * @param string $feeduri if we already know the canonical feed URI!
1169 * @param string $salmonuri if we already know the salmon return channel URI
1170 * @return Ostatus_profile
1173 public static function ensureActorProfile(Activity $activity, array $hints=array())
1175 return self::ensureActivityObjectProfile($activity->actor, $hints);
1179 * Fetch, or build if necessary, an Ostatus_profile for the profile
1180 * in a given Activity Streams object (can be subject, actor, or object).
1181 * This should never return null -- you will either get an object or
1182 * an exception will be thrown.
1184 * @param ActivityObject $object
1185 * @param array $hints additional discovery information passed from higher levels
1186 * @return Ostatus_profile
1189 public static function ensureActivityObjectProfile(ActivityObject $object, array $hints=array())
1191 $profile = self::getActivityObjectProfile($object);
1192 if ($profile instanceof Ostatus_profile) {
1193 $profile->updateFromActivityObject($object, $hints);
1195 $profile = self::createActivityObjectProfile($object, $hints);
1201 * @param Activity $activity
1202 * @return mixed matching Ostatus_profile or false if none known
1203 * @throws ServerException if feed info invalid
1205 public static function getActorProfile(Activity $activity)
1207 return self::getActivityObjectProfile($activity->actor);
1211 * @param ActivityObject $activity
1212 * @return mixed matching Ostatus_profile or false if none known
1213 * @throws ServerException if feed info invalid
1215 protected static function getActivityObjectProfile(ActivityObject $object)
1217 $uri = self::getActivityObjectProfileURI($object);
1218 return Ostatus_profile::getKV('uri', $uri);
1222 * Get the identifier URI for the remote entity described
1223 * by this ActivityObject. This URI is *not* guaranteed to be
1224 * a resolvable HTTP/HTTPS URL.
1226 * @param ActivityObject $object
1228 * @throws ServerException if feed info invalid
1230 protected static function getActivityObjectProfileURI(ActivityObject $object)
1233 if (ActivityUtils::validateUri($object->id)) {
1238 // If the id is missing or invalid (we've seen feeds mistakenly listing
1239 // things like local usernames in that field) then we'll use the profile
1240 // page link, if valid.
1241 if ($object->link && common_valid_http_url($object->link)) {
1242 return $object->link;
1244 // TRANS: Server exception.
1245 throw new ServerException(_m('No author ID URI found.'));
1249 * @todo FIXME: Validate stuff somewhere.
1253 * Create local ostatus_profile and profile/user_group entries for
1254 * the provided remote user or group.
1255 * This should never return null -- you will either get an object or
1256 * an exception will be thrown.
1258 * @param ActivityObject $object
1259 * @param array $hints
1261 * @return Ostatus_profile
1263 protected static function createActivityObjectProfile(ActivityObject $object, array $hints=array())
1265 $homeuri = $object->id;
1269 common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
1270 // TRANS: Exception.
1271 throw new Exception(_m('No profile URI.'));
1274 $user = User::getKV('uri', $homeuri);
1275 if ($user instanceof User) {
1276 // TRANS: Exception.
1277 throw new Exception(_m('Local user cannot be referenced as remote.'));
1280 if (OStatusPlugin::localGroupFromUrl($homeuri)) {
1281 // TRANS: Exception.
1282 throw new Exception(_m('Local group cannot be referenced as remote.'));
1285 $ptag = Profile_list::getKV('uri', $homeuri);
1286 if ($ptag instanceof Profile_list) {
1287 $local_user = User::getKV('id', $ptag->tagger);
1288 if ($local_user instanceof User) {
1289 // TRANS: Exception.
1290 throw new Exception(_m('Local list cannot be referenced as remote.'));
1294 if (array_key_exists('feedurl', $hints)) {
1295 $feeduri = $hints['feedurl'];
1297 $discover = new FeedDiscovery();
1298 $feeduri = $discover->discoverFromURL($homeuri);
1301 if (array_key_exists('salmon', $hints)) {
1302 $salmonuri = $hints['salmon'];
1305 $discover = new FeedDiscovery();
1306 $discover->discoverFromFeedURL($hints['feedurl']);
1308 // XXX: NS_REPLIES is deprecated anyway, so let's remove it in the future.
1309 $salmonuri = $discover->getAtomLink(Salmon::REL_SALMON)
1310 ?: $discover->getAtomLink(Salmon::NS_REPLIES);
1313 if (array_key_exists('hub', $hints)) {
1314 $huburi = $hints['hub'];
1317 $discover = new FeedDiscovery();
1318 $discover->discoverFromFeedURL($hints['feedurl']);
1320 $huburi = $discover->getHubLink();
1323 if (!$huburi && !common_config('feedsub', 'fallback_hub') && !common_config('feedsub', 'nohub')) {
1324 // We can only deal with folks with a PuSH hub
1325 throw new FeedSubNoHubException();
1328 $oprofile = new Ostatus_profile();
1330 $oprofile->uri = $homeuri;
1331 $oprofile->feeduri = $feeduri;
1332 $oprofile->salmonuri = $salmonuri;
1334 $oprofile->created = common_sql_now();
1335 $oprofile->modified = common_sql_now();
1337 if ($object->type == ActivityObject::PERSON) {
1338 $profile = new Profile();
1339 $profile->created = common_sql_now();
1340 self::updateProfile($profile, $object, $hints);
1342 $oprofile->profile_id = $profile->insert();
1343 if ($oprofile->profile_id === false) {
1344 // TRANS: Server exception.
1345 throw new ServerException(_m('Cannot save local profile.'));
1347 } else if ($object->type == ActivityObject::GROUP) {
1348 $profile = new Profile();
1349 $profile->query('BEGIN');
1351 $group = new User_group();
1352 $group->uri = $homeuri;
1353 $group->created = common_sql_now();
1354 self::updateGroup($group, $object, $hints);
1356 // TODO: We should do this directly in User_group->insert()!
1357 // currently it's duplicated in User_group->update()
1358 // AND User_group->register()!!!
1359 $fields = array(/*group field => profile field*/
1360 'nickname' => 'nickname',
1361 'fullname' => 'fullname',
1362 'mainpage' => 'profileurl',
1363 'homepage' => 'homepage',
1364 'description' => 'bio',
1365 'location' => 'location',
1366 'created' => 'created',
1367 'modified' => 'modified',
1369 foreach ($fields as $gf=>$pf) {
1370 $profile->$pf = $group->$gf;
1372 $profile_id = $profile->insert();
1373 if ($profile_id === false) {
1374 $profile->query('ROLLBACK');
1375 throw new ServerException(_('Profile insertion failed.'));
1378 $group->profile_id = $profile_id;
1380 $oprofile->group_id = $group->insert();
1381 if ($oprofile->group_id === false) {
1382 $profile->query('ROLLBACK');
1383 // TRANS: Server exception.
1384 throw new ServerException(_m('Cannot save local profile.'));
1387 $profile->query('COMMIT');
1388 } else if ($object->type == ActivityObject::_LIST) {
1389 $ptag = new Profile_list();
1390 $ptag->uri = $homeuri;
1391 $ptag->created = common_sql_now();
1392 self::updatePeopletag($ptag, $object, $hints);
1394 $oprofile->peopletag_id = $ptag->insert();
1395 if ($oprofile->peopletag_id === false) {
1396 // TRANS: Server exception.
1397 throw new ServerException(_m('Cannot save local list.'));
1401 $ok = $oprofile->insert();
1403 if ($ok === false) {
1404 // TRANS: Server exception.
1405 throw new ServerException(_m('Cannot save OStatus profile.'));
1408 $avatar = self::getActivityObjectAvatar($object, $hints);
1412 $oprofile->updateAvatar($avatar);
1413 } catch (Exception $ex) {
1414 // Profile is saved, but Avatar is messed up. We're
1415 // just going to continue.
1416 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: ". $ex->getMessage());
1424 * Save any updated profile information to our local copy.
1425 * @param ActivityObject $object
1426 * @param array $hints
1428 public function updateFromActivityObject(ActivityObject $object, array $hints=array())
1430 if ($this->isGroup()) {
1431 $group = $this->localGroup();
1432 self::updateGroup($group, $object, $hints);
1433 } else if ($this->isPeopletag()) {
1434 $ptag = $this->localPeopletag();
1435 self::updatePeopletag($ptag, $object, $hints);
1437 $profile = $this->localProfile();
1438 self::updateProfile($profile, $object, $hints);
1441 $avatar = self::getActivityObjectAvatar($object, $hints);
1442 if ($avatar && !isset($ptag)) {
1444 $this->updateAvatar($avatar);
1445 } catch (Exception $ex) {
1446 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: " . $ex->getMessage());
1451 public static function updateProfile(Profile $profile, ActivityObject $object, array $hints=array())
1453 $orig = clone($profile);
1455 // Existing nickname is better than nothing.
1457 if (!array_key_exists('nickname', $hints)) {
1458 $hints['nickname'] = $profile->nickname;
1461 $nickname = self::getActivityObjectNickname($object, $hints);
1463 if (!empty($nickname)) {
1464 $profile->nickname = $nickname;
1467 if (!empty($object->title)) {
1468 $profile->fullname = $object->title;
1469 } else if (array_key_exists('fullname', $hints)) {
1470 $profile->fullname = $hints['fullname'];
1473 if (!empty($object->link)) {
1474 $profile->profileurl = $object->link;
1475 } else if (array_key_exists('profileurl', $hints)) {
1476 $profile->profileurl = $hints['profileurl'];
1477 } else if (common_valid_http_url($object->id)) {
1478 $profile->profileurl = $object->id;
1481 $bio = self::getActivityObjectBio($object, $hints);
1484 $profile->bio = $bio;
1487 $location = self::getActivityObjectLocation($object, $hints);
1489 if (!empty($location)) {
1490 $profile->location = $location;
1493 $homepage = self::getActivityObjectHomepage($object, $hints);
1495 if (!empty($homepage)) {
1496 $profile->homepage = $homepage;
1499 if (!empty($object->geopoint)) {
1500 $location = ActivityContext::locationFromPoint($object->geopoint);
1501 if (!empty($location)) {
1502 $profile->lat = $location->lat;
1503 $profile->lon = $location->lon;
1507 // @todo FIXME: tags/categories
1508 // @todo tags from categories
1511 common_log(LOG_DEBUG, "Updating OStatus profile $profile->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1512 $profile->update($orig);
1516 protected static function updateGroup(User_group $group, ActivityObject $object, array $hints=array())
1518 $orig = clone($group);
1520 $group->nickname = self::getActivityObjectNickname($object, $hints);
1521 $group->fullname = $object->title;
1523 if (!empty($object->link)) {
1524 $group->mainpage = $object->link;
1525 } else if (array_key_exists('profileurl', $hints)) {
1526 $group->mainpage = $hints['profileurl'];
1529 // @todo tags from categories
1530 $group->description = self::getActivityObjectBio($object, $hints);
1531 $group->location = self::getActivityObjectLocation($object, $hints);
1532 $group->homepage = self::getActivityObjectHomepage($object, $hints);
1534 if ($group->id) { // If no id, we haven't called insert() yet, so don't run update()
1535 common_log(LOG_DEBUG, "Updating OStatus group $group->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1536 $group->update($orig);
1540 protected static function updatePeopletag($tag, ActivityObject $object, array $hints=array()) {
1541 $orig = clone($tag);
1543 $tag->tag = $object->title;
1545 if (!empty($object->link)) {
1546 $tag->mainpage = $object->link;
1547 } else if (array_key_exists('profileurl', $hints)) {
1548 $tag->mainpage = $hints['profileurl'];
1551 $tag->description = $object->summary;
1552 $tagger = self::ensureActivityObjectProfile($object->owner);
1553 $tag->tagger = $tagger->profile_id;
1556 common_log(LOG_DEBUG, "Updating OStatus peopletag $tag->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1557 $tag->update($orig);
1561 protected static function getActivityObjectHomepage(ActivityObject $object, array $hints=array())
1564 $poco = $object->poco;
1566 if (!empty($poco)) {
1567 $url = $poco->getPrimaryURL();
1568 if ($url && $url->type == 'homepage') {
1569 $homepage = $url->value;
1573 // @todo Try for a another PoCo URL?
1578 protected static function getActivityObjectLocation(ActivityObject $object, array $hints=array())
1582 if (!empty($object->poco) &&
1583 isset($object->poco->address->formatted)) {
1584 $location = $object->poco->address->formatted;
1585 } else if (array_key_exists('location', $hints)) {
1586 $location = $hints['location'];
1589 if (!empty($location)) {
1590 if (mb_strlen($location) > 191) { // not 255 because utf8mb4 takes more space
1591 $location = mb_substr($note, 0, 191 - 3) . ' … ';
1595 // @todo Try to find location some othe way? Via goerss point?
1600 protected static function getActivityObjectBio(ActivityObject $object, array $hints=array())
1604 if (!empty($object->poco)) {
1605 $note = $object->poco->note;
1606 } else if (array_key_exists('bio', $hints)) {
1607 $note = $hints['bio'];
1610 if (!empty($note)) {
1611 if (Profile::bioTooLong($note)) {
1612 // XXX: truncate ok?
1613 $bio = mb_substr($note, 0, Profile::maxBio() - 3) . ' … ';
1619 // @todo Try to get bio info some other way?
1624 public static function getActivityObjectNickname(ActivityObject $object, array $hints=array())
1626 if ($object->poco) {
1627 if (!empty($object->poco->preferredUsername)) {
1628 return common_nicknamize($object->poco->preferredUsername);
1632 if (!empty($object->nickname)) {
1633 return common_nicknamize($object->nickname);
1636 if (array_key_exists('nickname', $hints)) {
1637 return $hints['nickname'];
1640 // Try the profile url (like foo.example.com or example.com/user/foo)
1641 if (!empty($object->link)) {
1642 $profileUrl = $object->link;
1643 } else if (!empty($hints['profileurl'])) {
1644 $profileUrl = $hints['profileurl'];
1647 if (!empty($profileUrl)) {
1648 $nickname = self::nicknameFromURI($profileUrl);
1651 // Try the URI (may be a tag:, http:, acct:, ...
1653 if (empty($nickname)) {
1654 $nickname = self::nicknameFromURI($object->id);
1657 // Try a Webfinger if one was passed (way) down
1659 if (empty($nickname)) {
1660 if (array_key_exists('webfinger', $hints)) {
1661 $nickname = self::nicknameFromURI($hints['webfinger']);
1667 if (empty($nickname)) {
1668 $nickname = common_nicknamize($object->title);
1674 protected static function nicknameFromURI($uri)
1676 if (preg_match('/(\w+):/', $uri, $matches)) {
1677 $protocol = $matches[1];
1682 switch ($protocol) {
1685 if (preg_match("/^$protocol:(.*)?@.*\$/", $uri, $matches)) {
1686 return common_canonical_nickname($matches[1]);
1690 return common_url_to_nickname($uri);
1698 * Look up, and if necessary create, an Ostatus_profile for the remote
1699 * entity with the given webfinger address.
1700 * This should never return null -- you will either get an object or
1701 * an exception will be thrown.
1703 * @param string $addr webfinger address
1704 * @return Ostatus_profile
1705 * @throws Exception on error conditions
1706 * @throws OStatusShadowException if this reference would obscure a local user/group
1708 public static function ensureWebfinger($addr)
1710 // First, try the cache
1712 $uri = self::cacheGet(sprintf('ostatus_profile:webfinger:%s', $addr));
1714 if ($uri !== false) {
1715 if (is_null($uri)) {
1716 // Negative cache entry
1717 // TRANS: Exception.
1718 throw new Exception(_m('Not a valid webfinger address.'));
1720 $oprofile = Ostatus_profile::getKV('uri', $uri);
1721 if ($oprofile instanceof Ostatus_profile) {
1726 // Try looking it up
1727 $oprofile = Ostatus_profile::getKV('uri', Discovery::normalize($addr));
1729 if ($oprofile instanceof Ostatus_profile) {
1730 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->getUri());
1734 // Now, try some discovery
1736 $disco = new Discovery();
1739 $xrd = $disco->lookup($addr);
1740 } catch (Exception $e) {
1741 // Save negative cache entry so we don't waste time looking it up again.
1742 // @todo FIXME: Distinguish temporary failures?
1743 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), null);
1744 // TRANS: Exception.
1745 throw new Exception(_m('Not a valid webfinger address.'));
1748 $hints = array_merge(array('webfinger' => $addr),
1749 DiscoveryHints::fromXRD($xrd));
1751 // If there's an Hcard, let's grab its info
1752 if (array_key_exists('hcard', $hints)) {
1753 if (!array_key_exists('profileurl', $hints) ||
1754 $hints['hcard'] != $hints['profileurl']) {
1755 $hcardHints = DiscoveryHints::fromHcardUrl($hints['hcard']);
1756 $hints = array_merge($hcardHints, $hints);
1760 // If we got a feed URL, try that
1762 if (array_key_exists('feedurl', $hints)) {
1763 $feedUrl = $hints['feedurl'];
1765 common_log(LOG_INFO, "Discovery on acct:$addr with feed URL " . $hints['feedurl']);
1766 $oprofile = self::ensureFeedURL($hints['feedurl'], $hints);
1767 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->getUri());
1769 } catch (Exception $e) {
1770 common_log(LOG_WARNING, "Failed creating profile from feed URL '$feedUrl': " . $e->getMessage());
1775 // If we got a profile page, try that!
1777 if (array_key_exists('profileurl', $hints)) {
1778 $profileUrl = $hints['profileurl'];
1780 common_log(LOG_INFO, "Discovery on acct:$addr with profile URL $profileUrl");
1781 $oprofile = self::ensureProfileURL($hints['profileurl'], $hints);
1782 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->getUri());
1784 } catch (OStatusShadowException $e) {
1785 // We've ended up with a remote reference to a local user or group.
1786 // @todo FIXME: Ideally we should be able to say who it was so we can
1787 // go back and refer to it the regular way
1789 } catch (Exception $e) {
1790 common_log(LOG_WARNING, "Failed creating profile from profile URL '$profileUrl': " . $e->getMessage());
1793 // @todo FIXME: This means an error discovering from profile page
1794 // may give us a corrupt entry using the webfinger URI, which
1795 // will obscure the correct page-keyed profile later on.
1802 if (array_key_exists('salmon', $hints)) {
1803 $salmonEndpoint = $hints['salmon'];
1805 // An account URL, a salmon endpoint, and a dream? Not much to go
1806 // on, but let's give it a try
1808 $uri = 'acct:'.$addr;
1810 $profile = new Profile();
1812 $profile->nickname = self::nicknameFromUri($uri);
1813 $profile->created = common_sql_now();
1815 if (!is_null($profileUrl)) {
1816 $profile->profileurl = $profileUrl;
1819 $profile_id = $profile->insert();
1821 if ($profile_id === false) {
1822 common_log_db_error($profile, 'INSERT', __FILE__);
1823 // TRANS: Exception. %s is a webfinger address.
1824 throw new Exception(sprintf(_m('Could not save profile for "%s".'),$addr));
1827 $oprofile = new Ostatus_profile();
1829 $oprofile->uri = $uri;
1830 $oprofile->salmonuri = $salmonEndpoint;
1831 $oprofile->profile_id = $profile_id;
1832 $oprofile->created = common_sql_now();
1834 if (!is_null($feedUrl)) {
1835 $oprofile->feeduri = $feedUrl;
1838 $result = $oprofile->insert();
1840 if ($result === false) {
1842 common_log_db_error($oprofile, 'INSERT', __FILE__);
1843 // TRANS: Exception. %s is a webfinger address.
1844 throw new Exception(sprintf(_m('Could not save OStatus profile for "%s".'),$addr));
1847 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->getUri());
1851 // TRANS: Exception. %s is a webfinger address.
1852 throw new Exception(sprintf(_m('Could not find a valid profile for "%s".'),$addr));
1856 * Store the full-length scrubbed HTML of a remote notice to an attachment
1857 * file on our server. We'll link to this at the end of the cropped version.
1859 * @param string $title plaintext for HTML page's title
1860 * @param string $rendered HTML fragment for HTML page's body
1863 function saveHTMLFile($title, $rendered)
1865 $final = sprintf("<!DOCTYPE html>\n" .
1867 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">' .
1868 '<title>%s</title>' .
1870 '<body>%s</body></html>',
1871 htmlspecialchars($title),
1874 $filename = File::filename($this->localProfile(),
1875 'ostatus', // ignored?
1878 $filepath = File::path($filename);
1879 $fileurl = File::url($filename);
1881 file_put_contents($filepath, $final);
1885 $file->filename = $filename;
1886 $file->urlhash = File::hashurl($fileurl);
1887 $file->url = $fileurl;
1888 $file->size = filesize($filepath);
1889 $file->date = time();
1890 $file->mimetype = 'text/html';
1892 $file_id = $file->insert();
1894 if ($file_id === false) {
1895 common_log_db_error($file, "INSERT", __FILE__);
1896 // TRANS: Server exception.
1897 throw new ServerException(_m('Could not store HTML content of long post as file.'));
1903 static function ensureProfileURI($uri)
1907 // First, try to query it
1909 $oprofile = Ostatus_profile::getKV('uri', $uri);
1911 if ($oprofile instanceof Ostatus_profile) {
1915 // If unfound, do discovery stuff
1916 if (preg_match("/^(\w+)\:(.*)/", $uri, $match)) {
1917 $protocol = $match[1];
1918 switch ($protocol) {
1921 $oprofile = self::ensureProfileURL($uri);
1926 $oprofile = self::ensureWebfinger($rest);
1929 // TRANS: Server exception.
1930 // TRANS: %1$s is a protocol, %2$s is a URI.
1931 throw new ServerException(sprintf(_m('Unrecognized URI protocol for profile: %1$s (%2$s).'),
1936 // TRANS: Server exception. %s is a URI.
1937 throw new ServerException(sprintf(_m('No URI protocol for profile: %s.'),$uri));
1943 public function checkAuthorship(Activity $activity)
1945 if ($this->isGroup() || $this->isPeopletag()) {
1946 // A group or propletag feed will contain posts from multiple authors.
1947 $oprofile = self::ensureActorProfile($activity);
1948 if ($oprofile->isGroup() || $oprofile->isPeopletag()) {
1949 // Groups can't post notices in StatusNet.
1950 common_log(LOG_WARNING,
1951 "OStatus: skipping post with group listed ".
1952 "as author: " . $oprofile->getUri() . " in feed from " . $this->getUri());
1953 throw new ServerException('Activity author is a non-actor');
1956 $actor = $activity->actor;
1958 if (empty($actor)) {
1959 // OK here! assume the default
1960 } else if ($actor->id == $this->getUri() || $actor->link == $this->getUri()) {
1961 $this->updateFromActivityObject($actor);
1962 } else if ($actor->id) {
1963 // We have an ActivityStreams actor with an explicit ID that doesn't match the feed owner.
1964 // This isn't what we expect from mainline OStatus person feeds!
1965 // Group feeds go down another path, with different validation...
1966 // Most likely this is a plain ol' blog feed of some kind which
1967 // doesn't match our expectations. We'll take the entry, but ignore
1968 // the <author> info.
1969 common_log(LOG_WARNING, "Got an actor '{$actor->title}' ({$actor->id}) on single-user feed for " . $this->getUri());
1971 // Plain <author> without ActivityStreams actor info.
1972 // We'll just ignore this info for now and save the update under the feed's identity.
1978 return $oprofile->localProfile();
1983 * Exception indicating we've got a remote reference to a local user,
1984 * not a remote user!
1986 * If we can ue a local profile after all, it's available as $e->profile.
1988 class OStatusShadowException extends Exception
1993 * @param Profile $profile
1994 * @param string $message
1996 function __construct($profile, $message) {
1997 $this->profile = $profile;
1998 parent::__construct($message);