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 ($oprofile instanceof Ostatus_profile) {
814 preg_replace('/\s*;.*$/', '', $response->getHeader('Content-Type')),
815 array('application/rss+xml', 'application/atom+xml', 'application/xml', 'text/xml'))
817 $hints['feedurl'] = $response->getUrl();
819 // Try to get some hCard data
821 $body = $response->getBody();
823 $hcardHints = DiscoveryHints::hcardHints($body, $finalUrl);
825 if (!empty($hcardHints)) {
826 $hints = array_merge($hints, $hcardHints);
830 // Check if they've got an LRDD header
832 $lrdd = LinkHeader::getLink($response, 'lrdd');
834 $xrd = new XML_XRD();
835 $xrd->loadFile($lrdd);
836 $xrdHints = DiscoveryHints::fromXRD($xrd);
837 $hints = array_merge($hints, $xrdHints);
838 } catch (Exception $e) {
839 // No hints available from XRD
842 // If discovery found a feedurl (probably from LRDD), use it.
844 if (array_key_exists('feedurl', $hints)) {
845 return self::ensureFeedURL($hints['feedurl'], $hints);
848 // Get the feed URL from HTML
850 $discover = new FeedDiscovery();
852 $feedurl = $discover->discoverFromHTML($finalUrl, $body);
854 if (!empty($feedurl)) {
855 $hints['feedurl'] = $feedurl;
856 return self::ensureFeedURL($feedurl, $hints);
859 // TRANS: Exception. %s is a URL.
860 throw new Exception(sprintf(_m('Could not find a feed URL for profile page %s.'),$finalUrl));
864 * Look up the Ostatus_profile, if present, for a remote entity with the
865 * given profile page URL. Will return null for both unknown and invalid
868 * @return mixed Ostatus_profile or null
869 * @throws OStatusShadowException for local profiles
871 static function getFromProfileURL($profile_url)
873 $profile = Profile::getKV('profileurl', $profile_url);
874 if (!$profile instanceof Profile) {
879 $oprofile = self::getFromProfile($profile);
880 // We found the profile, return it!
882 } catch (NoResultException $e) {
883 // Could not find an OStatus profile, is it instead a local user?
884 $user = User::getKV('id', $profile->id);
885 if ($user instanceof User) {
886 // @todo i18n FIXME: use sprintf and add i18n (?)
887 throw new OStatusShadowException($profile, "'$profile_url' is the profile for local user '{$user->nickname}'.");
891 // Continue discovery; it's a remote profile
892 // for OMB or some other protocol, may also
898 static function getFromProfile(Profile $profile)
900 $oprofile = new Ostatus_profile();
901 $oprofile->profile_id = $profile->id;
902 if (!$oprofile->find(true)) {
903 throw new NoResultException($oprofile);
909 * Look up and if necessary create an Ostatus_profile for remote entity
910 * with the given update feed. This should never return null -- you will
911 * either get an object or an exception will be thrown.
913 * @return Ostatus_profile
916 public static function ensureFeedURL($feed_url, array $hints=array())
918 $oprofile = Ostatus_profile::getKV('feeduri', $feed_url);
919 if ($oprofile instanceof Ostatus_profile) {
923 $discover = new FeedDiscovery();
925 $feeduri = $discover->discoverFromFeedURL($feed_url);
926 $hints['feedurl'] = $feeduri;
928 $huburi = $discover->getHubLink();
929 $hints['hub'] = $huburi;
931 // XXX: NS_REPLIES is deprecated anyway, so let's remove it in the future.
932 $salmonuri = $discover->getAtomLink(Salmon::REL_SALMON)
933 ?: $discover->getAtomLink(Salmon::NS_REPLIES);
934 $hints['salmon'] = $salmonuri;
936 if (!$huburi && !common_config('feedsub', 'fallback_hub') && !common_config('feedsub', 'nohub')) {
937 // We can only deal with folks with a PuSH hub
938 // unless we have something similar available locally.
939 throw new FeedSubNoHubException();
942 $feedEl = $discover->root;
944 if ($feedEl->tagName == 'feed') {
945 return self::ensureAtomFeed($feedEl, $hints);
946 } else if ($feedEl->tagName == 'channel') {
947 return self::ensureRssChannel($feedEl, $hints);
949 throw new FeedSubBadXmlException($feeduri);
954 * Look up and, if necessary, create an Ostatus_profile for the remote
955 * profile with the given Atom feed - actually loaded from the feed.
956 * This should never return null -- you will either get an object or
957 * an exception will be thrown.
959 * @param DOMElement $feedEl root element of a loaded Atom feed
960 * @param array $hints additional discovery information passed from higher levels
961 * @todo FIXME: Should this be marked public?
962 * @return Ostatus_profile
965 public static function ensureAtomFeed(DOMElement $feedEl, array $hints)
967 $author = ActivityUtils::getFeedAuthor($feedEl);
969 if (empty($author)) {
970 // XXX: make some educated guesses here
971 // TRANS: Feed sub exception.
972 throw new FeedSubException(_m('Cannot find enough profile '.
973 'information to make a feed.'));
976 return self::ensureActivityObjectProfile($author, $hints);
980 * Look up and, if necessary, create an Ostatus_profile for the remote
981 * profile with the given RSS feed - actually loaded from the feed.
982 * This should never return null -- you will either get an object or
983 * an exception will be thrown.
985 * @param DOMElement $feedEl root element of a loaded RSS feed
986 * @param array $hints additional discovery information passed from higher levels
987 * @todo FIXME: Should this be marked public?
988 * @return Ostatus_profile
991 public static function ensureRssChannel(DOMElement $feedEl, array $hints)
993 // Special-case for Posterous. They have some nice metadata in their
994 // posterous:author elements. We should use them instead of the channel.
996 $items = $feedEl->getElementsByTagName('item');
998 if ($items->length > 0) {
999 $item = $items->item(0);
1000 $authorEl = ActivityUtils::child($item, ActivityObject::AUTHOR, ActivityObject::POSTEROUS);
1001 if (!empty($authorEl)) {
1002 $obj = ActivityObject::fromPosterousAuthor($authorEl);
1003 // Posterous has multiple authors per feed, and multiple feeds
1004 // per author. We check if this is the "main" feed for this author.
1005 if (array_key_exists('profileurl', $hints) &&
1006 !empty($obj->poco) &&
1007 common_url_to_nickname($hints['profileurl']) == $obj->poco->preferredUsername) {
1008 return self::ensureActivityObjectProfile($obj, $hints);
1013 // @todo FIXME: We should check whether this feed has elements
1014 // with different <author> or <dc:creator> elements, and... I dunno.
1015 // Do something about that.
1017 $obj = ActivityObject::fromRssChannel($feedEl);
1019 return self::ensureActivityObjectProfile($obj, $hints);
1023 * Download and update given avatar image
1025 * @param string $url
1026 * @return Avatar The Avatar we have on disk. (seldom used)
1027 * @throws Exception in various failure cases
1029 public function updateAvatar($url, $force=false)
1032 // If avatar URL differs: update. If URLs were identical but we're forced: update.
1033 if ($url == $this->avatar && !$force) {
1034 // If there's no locally stored avatar, throw an exception and continue fetching below.
1035 $avatar = Avatar::getUploaded($this->localProfile()) instanceof Avatar;
1038 } catch (NoAvatarException $e) {
1039 // No avatar available, let's fetch it.
1042 if (!common_valid_http_url($url)) {
1043 // TRANS: Server exception. %s is a URL.
1044 throw new ServerException(sprintf(_m('Invalid avatar URL %s.'), $url));
1047 $self = $this->localProfile();
1049 // @todo FIXME: This should be better encapsulated
1050 // ripped from oauthstore.php (for old OMB client)
1051 $temp_filename = tempnam(sys_get_temp_dir(), 'listener_avatar');
1053 $imgData = HTTPClient::quickGet($url);
1054 // Make sure it's at least an image file. ImageFile can do the rest.
1055 if (false === getimagesizefromstring($imgData)) {
1056 throw new UnsupportedMediaException(_('Downloaded group avatar was not an image.'));
1058 file_put_contents($temp_filename, $imgData);
1059 unset($imgData); // No need to carry this in memory.
1061 if ($this->isGroup()) {
1062 $id = $this->group_id;
1064 $id = $this->profile_id;
1066 $imagefile = new ImageFile(null, $temp_filename);
1067 $filename = Avatar::filename($id,
1068 image_type_to_extension($imagefile->type),
1070 common_timestamp());
1071 rename($temp_filename, Avatar::path($filename));
1072 } catch (Exception $e) {
1073 unlink($temp_filename);
1076 // @todo FIXME: Hardcoded chmod is lame, but seems to be necessary to
1077 // keep from accidentally saving images from command-line (queues)
1078 // that can't be read from web server, which causes hard-to-notice
1079 // problems later on:
1081 // http://status.net/open-source/issues/2663
1082 chmod(Avatar::path($filename), 0644);
1084 $self->setOriginal($filename);
1086 $orig = clone($this);
1087 $this->avatar = $url;
1088 $this->update($orig);
1090 return Avatar::getUploaded($self);
1094 * Pull avatar URL from ActivityObject or profile hints
1096 * @param ActivityObject $object
1097 * @param array $hints
1098 * @return mixed URL string or false
1100 public static function getActivityObjectAvatar(ActivityObject $object, array $hints=array())
1102 if ($object->avatarLinks) {
1104 // Take the exact-size avatar, or the largest avatar, or the first avatar if all sizeless
1105 foreach ($object->avatarLinks as $avatar) {
1106 if ($avatar->width == AVATAR_PROFILE_SIZE && $avatar->height = AVATAR_PROFILE_SIZE) {
1111 if (!$best || $avatar->width > $best->width) {
1116 } else if (array_key_exists('avatar', $hints)) {
1117 return $hints['avatar'];
1123 * Get an appropriate avatar image source URL, if available.
1125 * @param ActivityObject $actor
1126 * @param DOMElement $feed
1129 protected static function getAvatar(ActivityObject $actor, DOMElement $feed)
1133 if ($actor->avatar) {
1134 $url = trim($actor->avatar);
1137 // Check <atom:logo> and <atom:icon> on the feed
1138 $els = $feed->childNodes();
1139 if ($els && $els->length) {
1140 for ($i = 0; $i < $els->length; $i++) {
1141 $el = $els->item($i);
1142 if ($el->namespaceURI == Activity::ATOM) {
1143 if (empty($url) && $el->localName == 'logo') {
1144 $url = trim($el->textContent);
1147 if (empty($icon) && $el->localName == 'icon') {
1148 // Use as a fallback
1149 $icon = trim($el->textContent);
1154 if ($icon && !$url) {
1159 $opts = array('allowed_schemes' => array('http', 'https'));
1160 if (common_valid_http_url($url)) {
1165 return Plugin::staticPath('OStatus', 'images/96px-Feed-icon.svg.png');
1169 * Fetch, or build if necessary, an Ostatus_profile for the actor
1170 * in a given Activity Streams activity.
1171 * This should never return null -- you will either get an object or
1172 * an exception will be thrown.
1174 * @param Activity $activity
1175 * @param string $feeduri if we already know the canonical feed URI!
1176 * @param string $salmonuri if we already know the salmon return channel URI
1177 * @return Ostatus_profile
1180 public static function ensureActorProfile(Activity $activity, array $hints=array())
1182 return self::ensureActivityObjectProfile($activity->actor, $hints);
1186 * Fetch, or build if necessary, an Ostatus_profile for the profile
1187 * in a given Activity Streams object (can be subject, actor, or object).
1188 * This should never return null -- you will either get an object or
1189 * an exception will be thrown.
1191 * @param ActivityObject $object
1192 * @param array $hints additional discovery information passed from higher levels
1193 * @return Ostatus_profile
1196 public static function ensureActivityObjectProfile(ActivityObject $object, array $hints=array())
1198 $profile = self::getActivityObjectProfile($object);
1199 if ($profile instanceof Ostatus_profile) {
1200 $profile->updateFromActivityObject($object, $hints);
1202 $profile = self::createActivityObjectProfile($object, $hints);
1208 * @param Activity $activity
1209 * @return mixed matching Ostatus_profile or false if none known
1210 * @throws ServerException if feed info invalid
1212 public static function getActorProfile(Activity $activity)
1214 return self::getActivityObjectProfile($activity->actor);
1218 * @param ActivityObject $activity
1219 * @return mixed matching Ostatus_profile or false if none known
1220 * @throws ServerException if feed info invalid
1222 protected static function getActivityObjectProfile(ActivityObject $object)
1224 $uri = self::getActivityObjectProfileURI($object);
1225 return Ostatus_profile::getKV('uri', $uri);
1229 * Get the identifier URI for the remote entity described
1230 * by this ActivityObject. This URI is *not* guaranteed to be
1231 * a resolvable HTTP/HTTPS URL.
1233 * @param ActivityObject $object
1235 * @throws ServerException if feed info invalid
1237 protected static function getActivityObjectProfileURI(ActivityObject $object)
1240 if (ActivityUtils::validateUri($object->id)) {
1245 // If the id is missing or invalid (we've seen feeds mistakenly listing
1246 // things like local usernames in that field) then we'll use the profile
1247 // page link, if valid.
1248 if ($object->link && common_valid_http_url($object->link)) {
1249 return $object->link;
1251 // TRANS: Server exception.
1252 throw new ServerException(_m('No author ID URI found.'));
1256 * @todo FIXME: Validate stuff somewhere.
1260 * Create local ostatus_profile and profile/user_group entries for
1261 * the provided remote user or group.
1262 * This should never return null -- you will either get an object or
1263 * an exception will be thrown.
1265 * @param ActivityObject $object
1266 * @param array $hints
1268 * @return Ostatus_profile
1270 protected static function createActivityObjectProfile(ActivityObject $object, array $hints=array())
1272 $homeuri = $object->id;
1276 common_log(LOG_DEBUG, __METHOD__ . " empty actor profile URI: " . var_export($activity, true));
1277 // TRANS: Exception.
1278 throw new Exception(_m('No profile URI.'));
1281 $user = User::getKV('uri', $homeuri);
1282 if ($user instanceof User) {
1283 // TRANS: Exception.
1284 throw new Exception(_m('Local user cannot be referenced as remote.'));
1287 if (OStatusPlugin::localGroupFromUrl($homeuri)) {
1288 // TRANS: Exception.
1289 throw new Exception(_m('Local group cannot be referenced as remote.'));
1292 $ptag = Profile_list::getKV('uri', $homeuri);
1293 if ($ptag instanceof Profile_list) {
1294 $local_user = User::getKV('id', $ptag->tagger);
1295 if ($local_user instanceof User) {
1296 // TRANS: Exception.
1297 throw new Exception(_m('Local list cannot be referenced as remote.'));
1301 if (array_key_exists('feedurl', $hints)) {
1302 $feeduri = $hints['feedurl'];
1304 $discover = new FeedDiscovery();
1305 $feeduri = $discover->discoverFromURL($homeuri);
1308 if (array_key_exists('salmon', $hints)) {
1309 $salmonuri = $hints['salmon'];
1312 $discover = new FeedDiscovery();
1313 $discover->discoverFromFeedURL($hints['feedurl']);
1315 // XXX: NS_REPLIES is deprecated anyway, so let's remove it in the future.
1316 $salmonuri = $discover->getAtomLink(Salmon::REL_SALMON)
1317 ?: $discover->getAtomLink(Salmon::NS_REPLIES);
1320 if (array_key_exists('hub', $hints)) {
1321 $huburi = $hints['hub'];
1324 $discover = new FeedDiscovery();
1325 $discover->discoverFromFeedURL($hints['feedurl']);
1327 $huburi = $discover->getHubLink();
1330 if (!$huburi && !common_config('feedsub', 'fallback_hub') && !common_config('feedsub', 'nohub')) {
1331 // We can only deal with folks with a PuSH hub
1332 throw new FeedSubNoHubException();
1335 $oprofile = new Ostatus_profile();
1337 $oprofile->uri = $homeuri;
1338 $oprofile->feeduri = $feeduri;
1339 $oprofile->salmonuri = $salmonuri;
1341 $oprofile->created = common_sql_now();
1342 $oprofile->modified = common_sql_now();
1344 if ($object->type == ActivityObject::PERSON) {
1345 $profile = new Profile();
1346 $profile->created = common_sql_now();
1347 self::updateProfile($profile, $object, $hints);
1349 $oprofile->profile_id = $profile->insert();
1350 if ($oprofile->profile_id === false) {
1351 // TRANS: Server exception.
1352 throw new ServerException(_m('Cannot save local profile.'));
1354 } else if ($object->type == ActivityObject::GROUP) {
1355 $profile = new Profile();
1356 $profile->query('BEGIN');
1358 $group = new User_group();
1359 $group->uri = $homeuri;
1360 $group->created = common_sql_now();
1361 self::updateGroup($group, $object, $hints);
1363 // TODO: We should do this directly in User_group->insert()!
1364 // currently it's duplicated in User_group->update()
1365 // AND User_group->register()!!!
1366 $fields = array(/*group field => profile field*/
1367 'nickname' => 'nickname',
1368 'fullname' => 'fullname',
1369 'mainpage' => 'profileurl',
1370 'homepage' => 'homepage',
1371 'description' => 'bio',
1372 'location' => 'location',
1373 'created' => 'created',
1374 'modified' => 'modified',
1376 foreach ($fields as $gf=>$pf) {
1377 $profile->$pf = $group->$gf;
1379 $profile_id = $profile->insert();
1380 if ($profile_id === false) {
1381 $profile->query('ROLLBACK');
1382 throw new ServerException(_('Profile insertion failed.'));
1385 $group->profile_id = $profile_id;
1387 $oprofile->group_id = $group->insert();
1388 if ($oprofile->group_id === false) {
1389 $profile->query('ROLLBACK');
1390 // TRANS: Server exception.
1391 throw new ServerException(_m('Cannot save local profile.'));
1394 $profile->query('COMMIT');
1395 } else if ($object->type == ActivityObject::_LIST) {
1396 $ptag = new Profile_list();
1397 $ptag->uri = $homeuri;
1398 $ptag->created = common_sql_now();
1399 self::updatePeopletag($ptag, $object, $hints);
1401 $oprofile->peopletag_id = $ptag->insert();
1402 if ($oprofile->peopletag_id === false) {
1403 // TRANS: Server exception.
1404 throw new ServerException(_m('Cannot save local list.'));
1408 $ok = $oprofile->insert();
1410 if ($ok === false) {
1411 // TRANS: Server exception.
1412 throw new ServerException(_m('Cannot save OStatus profile.'));
1415 $avatar = self::getActivityObjectAvatar($object, $hints);
1419 $oprofile->updateAvatar($avatar);
1420 } catch (Exception $ex) {
1421 // Profile is saved, but Avatar is messed up. We're
1422 // just going to continue.
1423 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: ". $ex->getMessage());
1431 * Save any updated profile information to our local copy.
1432 * @param ActivityObject $object
1433 * @param array $hints
1435 public function updateFromActivityObject(ActivityObject $object, array $hints=array())
1437 if ($this->isGroup()) {
1438 $group = $this->localGroup();
1439 self::updateGroup($group, $object, $hints);
1440 } else if ($this->isPeopletag()) {
1441 $ptag = $this->localPeopletag();
1442 self::updatePeopletag($ptag, $object, $hints);
1444 $profile = $this->localProfile();
1445 self::updateProfile($profile, $object, $hints);
1448 $avatar = self::getActivityObjectAvatar($object, $hints);
1449 if ($avatar && !isset($ptag)) {
1451 $this->updateAvatar($avatar);
1452 } catch (Exception $ex) {
1453 common_log(LOG_WARNING, "Exception saving OStatus profile avatar: " . $ex->getMessage());
1458 public static function updateProfile(Profile $profile, ActivityObject $object, array $hints=array())
1460 $orig = clone($profile);
1462 // Existing nickname is better than nothing.
1464 if (!array_key_exists('nickname', $hints)) {
1465 $hints['nickname'] = $profile->nickname;
1468 $nickname = self::getActivityObjectNickname($object, $hints);
1470 if (!empty($nickname)) {
1471 $profile->nickname = $nickname;
1474 if (!empty($object->title)) {
1475 $profile->fullname = $object->title;
1476 } else if (array_key_exists('fullname', $hints)) {
1477 $profile->fullname = $hints['fullname'];
1480 if (!empty($object->link)) {
1481 $profile->profileurl = $object->link;
1482 } else if (array_key_exists('profileurl', $hints)) {
1483 $profile->profileurl = $hints['profileurl'];
1484 } else if (common_valid_http_url($object->id)) {
1485 $profile->profileurl = $object->id;
1488 $bio = self::getActivityObjectBio($object, $hints);
1491 $profile->bio = $bio;
1494 $location = self::getActivityObjectLocation($object, $hints);
1496 if (!empty($location)) {
1497 $profile->location = $location;
1500 $homepage = self::getActivityObjectHomepage($object, $hints);
1502 if (!empty($homepage)) {
1503 $profile->homepage = $homepage;
1506 if (!empty($object->geopoint)) {
1507 $location = ActivityContext::locationFromPoint($object->geopoint);
1508 if (!empty($location)) {
1509 $profile->lat = $location->lat;
1510 $profile->lon = $location->lon;
1514 // @todo FIXME: tags/categories
1515 // @todo tags from categories
1518 common_log(LOG_DEBUG, "Updating OStatus profile $profile->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1519 $profile->update($orig);
1523 protected static function updateGroup(User_group $group, ActivityObject $object, array $hints=array())
1525 $orig = clone($group);
1527 $group->nickname = self::getActivityObjectNickname($object, $hints);
1528 $group->fullname = $object->title;
1530 if (!empty($object->link)) {
1531 $group->mainpage = $object->link;
1532 } else if (array_key_exists('profileurl', $hints)) {
1533 $group->mainpage = $hints['profileurl'];
1536 // @todo tags from categories
1537 $group->description = self::getActivityObjectBio($object, $hints);
1538 $group->location = self::getActivityObjectLocation($object, $hints);
1539 $group->homepage = self::getActivityObjectHomepage($object, $hints);
1541 if ($group->id) { // If no id, we haven't called insert() yet, so don't run update()
1542 common_log(LOG_DEBUG, "Updating OStatus group $group->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1543 $group->update($orig);
1547 protected static function updatePeopletag($tag, ActivityObject $object, array $hints=array()) {
1548 $orig = clone($tag);
1550 $tag->tag = $object->title;
1552 if (!empty($object->link)) {
1553 $tag->mainpage = $object->link;
1554 } else if (array_key_exists('profileurl', $hints)) {
1555 $tag->mainpage = $hints['profileurl'];
1558 $tag->description = $object->summary;
1559 $tagger = self::ensureActivityObjectProfile($object->owner);
1560 $tag->tagger = $tagger->profile_id;
1563 common_log(LOG_DEBUG, "Updating OStatus peopletag $tag->id from remote info $object->id: " . var_export($object, true) . var_export($hints, true));
1564 $tag->update($orig);
1568 protected static function getActivityObjectHomepage(ActivityObject $object, array $hints=array())
1571 $poco = $object->poco;
1573 if (!empty($poco)) {
1574 $url = $poco->getPrimaryURL();
1575 if ($url && $url->type == 'homepage') {
1576 $homepage = $url->value;
1580 // @todo Try for a another PoCo URL?
1585 protected static function getActivityObjectLocation(ActivityObject $object, array $hints=array())
1589 if (!empty($object->poco) &&
1590 isset($object->poco->address->formatted)) {
1591 $location = $object->poco->address->formatted;
1592 } else if (array_key_exists('location', $hints)) {
1593 $location = $hints['location'];
1596 if (!empty($location)) {
1597 if (mb_strlen($location) > 191) { // not 255 because utf8mb4 takes more space
1598 $location = mb_substr($note, 0, 191 - 3) . ' … ';
1602 // @todo Try to find location some othe way? Via goerss point?
1607 protected static function getActivityObjectBio(ActivityObject $object, array $hints=array())
1611 if (!empty($object->poco)) {
1612 $note = $object->poco->note;
1613 } else if (array_key_exists('bio', $hints)) {
1614 $note = $hints['bio'];
1617 if (!empty($note)) {
1618 if (Profile::bioTooLong($note)) {
1619 // XXX: truncate ok?
1620 $bio = mb_substr($note, 0, Profile::maxBio() - 3) . ' … ';
1626 // @todo Try to get bio info some other way?
1631 public static function getActivityObjectNickname(ActivityObject $object, array $hints=array())
1633 if ($object->poco) {
1634 if (!empty($object->poco->preferredUsername)) {
1635 return common_nicknamize($object->poco->preferredUsername);
1639 if (!empty($object->nickname)) {
1640 return common_nicknamize($object->nickname);
1643 if (array_key_exists('nickname', $hints)) {
1644 return $hints['nickname'];
1647 // Try the profile url (like foo.example.com or example.com/user/foo)
1648 if (!empty($object->link)) {
1649 $profileUrl = $object->link;
1650 } else if (!empty($hints['profileurl'])) {
1651 $profileUrl = $hints['profileurl'];
1654 if (!empty($profileUrl)) {
1655 $nickname = self::nicknameFromURI($profileUrl);
1658 // Try the URI (may be a tag:, http:, acct:, ...
1660 if (empty($nickname)) {
1661 $nickname = self::nicknameFromURI($object->id);
1664 // Try a Webfinger if one was passed (way) down
1666 if (empty($nickname)) {
1667 if (array_key_exists('webfinger', $hints)) {
1668 $nickname = self::nicknameFromURI($hints['webfinger']);
1674 if (empty($nickname)) {
1675 $nickname = common_nicknamize($object->title);
1681 protected static function nicknameFromURI($uri)
1683 if (preg_match('/(\w+):/', $uri, $matches)) {
1684 $protocol = $matches[1];
1689 switch ($protocol) {
1692 if (preg_match("/^$protocol:(.*)?@.*\$/", $uri, $matches)) {
1693 return common_canonical_nickname($matches[1]);
1697 return common_url_to_nickname($uri);
1705 * Look up, and if necessary create, an Ostatus_profile for the remote
1706 * entity with the given webfinger address.
1707 * This should never return null -- you will either get an object or
1708 * an exception will be thrown.
1710 * @param string $addr webfinger address
1711 * @return Ostatus_profile
1712 * @throws Exception on error conditions
1713 * @throws OStatusShadowException if this reference would obscure a local user/group
1715 public static function ensureWebfinger($addr)
1717 // First, try the cache
1719 $uri = self::cacheGet(sprintf('ostatus_profile:webfinger:%s', $addr));
1721 if ($uri !== false) {
1722 if (is_null($uri)) {
1723 // Negative cache entry
1724 // TRANS: Exception.
1725 throw new Exception(_m('Not a valid webfinger address.'));
1727 $oprofile = Ostatus_profile::getKV('uri', $uri);
1728 if ($oprofile instanceof Ostatus_profile) {
1733 // Try looking it up
1734 $oprofile = Ostatus_profile::getKV('uri', Discovery::normalize($addr));
1736 if ($oprofile instanceof Ostatus_profile) {
1737 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->getUri());
1741 // Now, try some discovery
1743 $disco = new Discovery();
1746 $xrd = $disco->lookup($addr);
1747 } catch (Exception $e) {
1748 // Save negative cache entry so we don't waste time looking it up again.
1749 // @todo FIXME: Distinguish temporary failures?
1750 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), null);
1751 // TRANS: Exception.
1752 throw new Exception(_m('Not a valid webfinger address.'));
1755 $hints = array_merge(array('webfinger' => $addr),
1756 DiscoveryHints::fromXRD($xrd));
1758 // If there's an Hcard, let's grab its info
1759 if (array_key_exists('hcard', $hints)) {
1760 if (!array_key_exists('profileurl', $hints) ||
1761 $hints['hcard'] != $hints['profileurl']) {
1762 $hcardHints = DiscoveryHints::fromHcardUrl($hints['hcard']);
1763 $hints = array_merge($hcardHints, $hints);
1767 // If we got a feed URL, try that
1769 if (array_key_exists('feedurl', $hints)) {
1770 $feedUrl = $hints['feedurl'];
1772 common_log(LOG_INFO, "Discovery on acct:$addr with feed URL " . $hints['feedurl']);
1773 $oprofile = self::ensureFeedURL($hints['feedurl'], $hints);
1774 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->getUri());
1776 } catch (Exception $e) {
1777 common_log(LOG_WARNING, "Failed creating profile from feed URL '$feedUrl': " . $e->getMessage());
1782 // If we got a profile page, try that!
1784 if (array_key_exists('profileurl', $hints)) {
1785 $profileUrl = $hints['profileurl'];
1787 common_log(LOG_INFO, "Discovery on acct:$addr with profile URL $profileUrl");
1788 $oprofile = self::ensureProfileURL($hints['profileurl'], $hints);
1789 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->getUri());
1791 } catch (OStatusShadowException $e) {
1792 // We've ended up with a remote reference to a local user or group.
1793 // @todo FIXME: Ideally we should be able to say who it was so we can
1794 // go back and refer to it the regular way
1796 } catch (Exception $e) {
1797 common_log(LOG_WARNING, "Failed creating profile from profile URL '$profileUrl': " . $e->getMessage());
1800 // @todo FIXME: This means an error discovering from profile page
1801 // may give us a corrupt entry using the webfinger URI, which
1802 // will obscure the correct page-keyed profile later on.
1809 if (array_key_exists('salmon', $hints)) {
1810 $salmonEndpoint = $hints['salmon'];
1812 // An account URL, a salmon endpoint, and a dream? Not much to go
1813 // on, but let's give it a try
1815 $uri = 'acct:'.$addr;
1817 $profile = new Profile();
1819 $profile->nickname = self::nicknameFromUri($uri);
1820 $profile->created = common_sql_now();
1822 if (!is_null($profileUrl)) {
1823 $profile->profileurl = $profileUrl;
1826 $profile_id = $profile->insert();
1828 if ($profile_id === false) {
1829 common_log_db_error($profile, 'INSERT', __FILE__);
1830 // TRANS: Exception. %s is a webfinger address.
1831 throw new Exception(sprintf(_m('Could not save profile for "%s".'),$addr));
1834 $oprofile = new Ostatus_profile();
1836 $oprofile->uri = $uri;
1837 $oprofile->salmonuri = $salmonEndpoint;
1838 $oprofile->profile_id = $profile_id;
1839 $oprofile->created = common_sql_now();
1841 if (!is_null($feedUrl)) {
1842 $oprofile->feeduri = $feedUrl;
1845 $result = $oprofile->insert();
1847 if ($result === false) {
1849 common_log_db_error($oprofile, 'INSERT', __FILE__);
1850 // TRANS: Exception. %s is a webfinger address.
1851 throw new Exception(sprintf(_m('Could not save OStatus profile for "%s".'),$addr));
1854 self::cacheSet(sprintf('ostatus_profile:webfinger:%s', $addr), $oprofile->getUri());
1858 // TRANS: Exception. %s is a webfinger address.
1859 throw new Exception(sprintf(_m('Could not find a valid profile for "%s".'),$addr));
1863 * Store the full-length scrubbed HTML of a remote notice to an attachment
1864 * file on our server. We'll link to this at the end of the cropped version.
1866 * @param string $title plaintext for HTML page's title
1867 * @param string $rendered HTML fragment for HTML page's body
1870 function saveHTMLFile($title, $rendered)
1872 $final = sprintf("<!DOCTYPE html>\n" .
1874 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">' .
1875 '<title>%s</title>' .
1877 '<body>%s</body></html>',
1878 htmlspecialchars($title),
1881 $filename = File::filename($this->localProfile(),
1882 'ostatus', // ignored?
1885 $filepath = File::path($filename);
1886 $fileurl = File::url($filename);
1888 file_put_contents($filepath, $final);
1892 $file->filename = $filename;
1893 $file->urlhash = File::hashurl($fileurl);
1894 $file->url = $fileurl;
1895 $file->size = filesize($filepath);
1896 $file->date = time();
1897 $file->mimetype = 'text/html';
1899 $file_id = $file->insert();
1901 if ($file_id === false) {
1902 common_log_db_error($file, "INSERT", __FILE__);
1903 // TRANS: Server exception.
1904 throw new ServerException(_m('Could not store HTML content of long post as file.'));
1910 static function ensureProfileURI($uri)
1914 // First, try to query it
1916 $oprofile = Ostatus_profile::getKV('uri', $uri);
1918 if ($oprofile instanceof Ostatus_profile) {
1922 // If unfound, do discovery stuff
1923 if (preg_match("/^(\w+)\:(.*)/", $uri, $match)) {
1924 $protocol = $match[1];
1925 switch ($protocol) {
1928 $oprofile = self::ensureProfileURL($uri);
1933 $oprofile = self::ensureWebfinger($rest);
1936 // TRANS: Server exception.
1937 // TRANS: %1$s is a protocol, %2$s is a URI.
1938 throw new ServerException(sprintf(_m('Unrecognized URI protocol for profile: %1$s (%2$s).'),
1943 // TRANS: Server exception. %s is a URI.
1944 throw new ServerException(sprintf(_m('No URI protocol for profile: %s.'),$uri));
1950 public function checkAuthorship(Activity $activity)
1952 if ($this->isGroup() || $this->isPeopletag()) {
1953 // A group or propletag feed will contain posts from multiple authors.
1954 $oprofile = self::ensureActorProfile($activity);
1955 if ($oprofile->isGroup() || $oprofile->isPeopletag()) {
1956 // Groups can't post notices in StatusNet.
1957 common_log(LOG_WARNING,
1958 "OStatus: skipping post with group listed ".
1959 "as author: " . $oprofile->getUri() . " in feed from " . $this->getUri());
1960 throw new ServerException('Activity author is a non-actor');
1963 $actor = $activity->actor;
1965 if (empty($actor)) {
1966 // OK here! assume the default
1967 } else if ($actor->id == $this->getUri() || $actor->link == $this->getUri()) {
1968 $this->updateFromActivityObject($actor);
1969 } else if ($actor->id) {
1970 // We have an ActivityStreams actor with an explicit ID that doesn't match the feed owner.
1971 // This isn't what we expect from mainline OStatus person feeds!
1972 // Group feeds go down another path, with different validation...
1973 // Most likely this is a plain ol' blog feed of some kind which
1974 // doesn't match our expectations. We'll take the entry, but ignore
1975 // the <author> info.
1976 common_log(LOG_WARNING, "Got an actor '{$actor->title}' ({$actor->id}) on single-user feed for " . $this->getUri());
1978 // Plain <author> without ActivityStreams actor info.
1979 // We'll just ignore this info for now and save the update under the feed's identity.
1985 return $oprofile->localProfile();
1988 public function updateUriKeys($profile_uri, array $hints=array())
1990 $orig = clone($this);
1992 common_debug('URIFIX These identities both say they are each other: "'.$orig->uri.'" and "'.$profile_uri.'"');
1993 $this->uri = $profile_uri;
1995 if (array_key_exists('feedurl', $hints)) {
1996 if (!empty($this->feeduri)) {
1997 common_debug('URIFIX Changing FeedSub ['.$feedsub->id.'] feeduri "'.$feedsub->uri.'" to "'.$hints['feedurl']);
1998 $feedsub = FeedSub::getKV('uri', $this->feeduri);
1999 $feedorig = clone($feedsub);
2000 $feedsub->uri = $hints['feedurl'];
2001 $feedsub->updateWithKeys($feedorig);
2003 common_debug('URIFIX Old Ostatus_profile did not have feedurl set, ensuring feed: '.$hints['feedurl']);
2004 FeedSub::ensureFeed($hints['feedurl']);
2006 $this->feeduri = $hints['feedurl'];
2008 if (array_key_exists('salmon', $hints)) {
2009 common_debug('URIFIX Changing Ostatus_profile salmonuri from "'.$this->salmonuri.'" to "'.$hints['salmon'].'"');
2010 $this->salmonuri = $hints['salmon'];
2013 common_debug('URIFIX Updating Ostatus_profile URI for '.$orig->uri.' to '.$this->uri);
2014 $this->updateWithKeys($orig, 'uri'); // 'uri' is the primary key column
2016 common_debug('URIFIX Subscribing/renewing feedsub for Ostatus_profile '.$this->uri);
2022 * Exception indicating we've got a remote reference to a local user,
2023 * not a remote user!
2025 * If we can ue a local profile after all, it's available as $e->profile.
2027 class OStatusShadowException extends Exception
2032 * @param Profile $profile
2033 * @param string $message
2035 function __construct($profile, $message) {
2036 $this->profile = $profile;
2037 parent::__construct($message);