public function activityObjectFromNotice(Notice $notice)
 {
     $object = new ActivityObject();
     $object->type = $notice->object_type ?: ActivityObject::NOTE;
     $object->id = $notice->getUri();
     $object->title = sprintf('New %1$s by %2$s', ActivityObject::canonicalType($object->type), $notice->getProfile()->getNickname());
     $object->content = $notice->getRendered();
     $object->link = $notice->getUrl();
     $object->extra[] = array('status_net', array('notice_id' => $notice->getID()));
     return $object;
 }
Example #2
0
 static function saveActivity(Activity $act, Profile $actor, array $options = array())
 {
     // First check if we're going to let this Activity through from the specific actor
     if (!$actor->hasRight(Right::NEWNOTICE)) {
         common_log(LOG_WARNING, "Attempted post from user disallowed to post: " . $actor->getNickname());
         // TRANS: Client exception thrown when a user tries to post while being banned.
         throw new ClientException(_m('You are banned from posting notices on this site.'), 403);
     }
     if (common_config('throttle', 'enabled') && !self::checkEditThrottle($actor->id)) {
         common_log(LOG_WARNING, 'Excessive posting by profile #' . $actor->id . '; throttled.');
         // TRANS: Client exception thrown when a user tries to post too many notices in a given time frame.
         throw new ClientException(_m('Too many notices too fast; take a breather ' . 'and post again in a few minutes.'));
     }
     // Get ActivityObject properties
     $actobj = null;
     if (!empty($act->id)) {
         // implied object
         $options['uri'] = $act->id;
         $options['url'] = $act->link;
     } else {
         $actobj = count($act->objects) == 1 ? $act->objects[0] : null;
         if (!is_null($actobj) && !empty($actobj->id)) {
             $options['uri'] = $actobj->id;
             if ($actobj->link) {
                 $options['url'] = $actobj->link;
             } elseif (preg_match('!^https?://!', $actobj->id)) {
                 $options['url'] = $actobj->id;
             }
         }
     }
     $defaults = array('groups' => array(), 'is_local' => $actor->isLocal() ? self::LOCAL_PUBLIC : self::REMOTE, 'mentions' => array(), 'reply_to' => null, 'repeat_of' => null, 'scope' => null, 'source' => 'unknown', 'tags' => array(), 'uri' => null, 'url' => null, 'urls' => array(), 'distribute' => true);
     // options will have default values when nothing has been supplied
     $options = array_merge($defaults, $options);
     foreach (array_keys($defaults) as $key) {
         // Only convert the keynames we specify ourselves from 'defaults' array into variables
         ${$key} = $options[$key];
     }
     extract($options, EXTR_SKIP);
     // dupe check
     $stored = new Notice();
     if (!empty($uri) && !ActivityUtils::compareVerbs($act->verb, array(ActivityVerb::DELETE))) {
         $stored->uri = $uri;
         if ($stored->find()) {
             common_debug('cannot create duplicate Notice URI: ' . $stored->uri);
             // I _assume_ saving a Notice with a colliding URI means we're really trying to
             // save the same notice again...
             throw new AlreadyFulfilledException('Notice URI already exists');
         }
     }
     $autosource = common_config('public', 'autosource');
     // Sandboxed are non-false, but not 1, either
     if (!$actor->hasRight(Right::PUBLICNOTICE) || $source && $autosource && in_array($source, $autosource)) {
         // FIXME: ...what about remote nonpublic? Hmmm. That is, if we sandbox remote profiles...
         $stored->is_local = Notice::LOCAL_NONPUBLIC;
     } else {
         $stored->is_local = intval($is_local);
     }
     if (!$stored->isLocal()) {
         // Only do these checks for non-local notices. Local notices will generate these values later.
         if (!common_valid_http_url($url)) {
             common_debug('Bad notice URL: [' . $url . '], URI: [' . $uri . ']. Cannot link back to original! This is normal for shared notices etc.');
         }
         if (empty($uri)) {
             throw new ServerException('No URI for remote notice. Cannot accept that.');
         }
     }
     $stored->profile_id = $actor->id;
     $stored->source = $source;
     $stored->uri = $uri;
     $stored->url = $url;
     $stored->verb = $act->verb;
     // Notice content. We trust local users to provide HTML we like, but of course not remote users.
     // FIXME: What about local users importing feeds? Mirror functions must filter out bad HTML first...
     $content = $act->content ?: $act->summary;
     if (is_null($content) && !is_null($actobj)) {
         $content = $actobj->content ?: $actobj->summary;
     }
     $stored->rendered = $actor->isLocal() ? $content : common_purify($content);
     // yeah, just don't use getRendered() here since it's not inserted yet ;)
     $stored->content = common_strip_html($stored->rendered);
     // Maybe a missing act-time should be fatal if the actor is not local?
     if (!empty($act->time)) {
         $stored->created = common_sql_date($act->time);
     } else {
         $stored->created = common_sql_now();
     }
     $reply = null;
     if ($act->context instanceof ActivityContext && !empty($act->context->replyToID)) {
         $reply = self::getKV('uri', $act->context->replyToID);
     }
     if (!$reply instanceof Notice && $act->target instanceof ActivityObject) {
         $reply = self::getKV('uri', $act->target->id);
     }
     if ($reply instanceof Notice) {
         if (!$reply->inScope($actor)) {
             // TRANS: Client error displayed when trying to reply to a notice a the target has no access to.
             // TRANS: %1$s is a user nickname, %2$d is a notice ID (number).
             throw new ClientException(sprintf(_m('%1$s has no right to reply to notice %2$d.'), $actor->getNickname(), $reply->id), 403);
         }
         $stored->reply_to = $reply->id;
         $stored->conversation = $reply->conversation;
         // If the original is private to a group, and notice has no group specified,
         // make it to the same group(s)
         if (empty($groups) && $reply->scope & Notice::GROUP_SCOPE) {
             $replyGroups = $reply->getGroups();
             foreach ($replyGroups as $group) {
                 if ($actor->isMember($group)) {
                     $groups[] = $group->id;
                 }
             }
         }
         if (is_null($scope)) {
             $scope = $reply->scope;
         }
     } else {
         // If we don't know the reply, we might know the conversation!
         // This will happen if a known remote user replies to an
         // unknown remote user - within a known conversation.
         if (empty($stored->conversation) and !empty($act->context->conversation)) {
             $conv = Conversation::getKV('uri', $act->context->conversation);
             if ($conv instanceof Conversation) {
                 common_debug('Conversation stitched together from (probably) a reply activity to unknown remote user. Activity creation time (' . $stored->created . ') should maybe be compared to conversation creation time (' . $conv->created . ').');
             } else {
                 // Conversation entry with specified URI was not found, so we must create it.
                 common_debug('Conversation URI not found, so we will create it with the URI given in the context of the activity: ' . $act->context->conversation);
                 // The insert in Conversation::create throws exception on failure
                 $conv = Conversation::create($act->context->conversation, $stored->created);
             }
             $stored->conversation = $conv->getID();
             unset($conv);
         }
     }
     // If it's not part of a conversation, it's the beginning of a new conversation.
     if (empty($stored->conversation)) {
         $conv = Conversation::create();
         $stored->conversation = $conv->getID();
         unset($conv);
     }
     $notloc = null;
     if ($act->context instanceof ActivityContext) {
         if ($act->context->location instanceof Location) {
             $notloc = Notice_location::fromLocation($act->context->location);
         }
     } else {
         $act->context = new ActivityContext();
     }
     $stored->scope = self::figureOutScope($actor, $groups, $scope);
     foreach ($act->categories as $cat) {
         if ($cat->term) {
             $term = common_canonical_tag($cat->term);
             if (!empty($term)) {
                 $tags[] = $term;
             }
         }
     }
     foreach ($act->enclosures as $href) {
         // @todo FIXME: Save these locally or....?
         $urls[] = $href;
     }
     if (ActivityUtils::compareVerbs($stored->verb, array(ActivityVerb::POST))) {
         if (empty($act->objects[0]->type)) {
             // Default type for the post verb is 'note', but we know it's
             // a 'comment' if it is in reply to something.
             $stored->object_type = empty($stored->reply_to) ? ActivityObject::NOTE : ActivityObject::COMMENT;
         } else {
             //TODO: Is it safe to always return a relative URI? The
             // JSON version of ActivityStreams always use it, so we
             // should definitely be able to handle it...
             $stored->object_type = ActivityUtils::resolveUri($act->objects[0]->type, true);
         }
     }
     if (Event::handle('StartNoticeSave', array(&$stored))) {
         // XXX: some of these functions write to the DB
         try {
             $result = $stored->insert();
             // throws exception on error
             if ($notloc instanceof Notice_location) {
                 $notloc->notice_id = $stored->getID();
                 $notloc->insert();
             }
             $orig = clone $stored;
             // for updating later in this try clause
             $object = null;
             Event::handle('StoreActivityObject', array($act, $stored, $options, &$object));
             if (empty($object)) {
                 throw new ServerException('Unsuccessful call to StoreActivityObject ' . $stored->getUri() . ': ' . $act->asString());
             }
             // If something changed in the Notice during StoreActivityObject
             $stored->update($orig);
         } catch (Exception $e) {
             if (empty($stored->id)) {
                 common_debug('Failed to save stored object entry in database (' . $e->getMessage() . ')');
             } else {
                 common_debug('Failed to store activity object in database (' . $e->getMessage() . '), deleting notice id ' . $stored->id);
                 $stored->delete();
             }
             throw $e;
         }
     }
     if (!$stored instanceof Notice) {
         throw new ServerException('StartNoticeSave did not give back a Notice');
     }
     // Only save 'attention' and metadata stuff (URLs, tags...) stuff if
     // the activityverb is a POST (since stuff like repeat, favorite etc.
     // reasonably handle notifications themselves.
     if (ActivityUtils::compareVerbs($stored->verb, array(ActivityVerb::POST))) {
         if (!empty($tags)) {
             $stored->saveKnownTags($tags);
         } else {
             $stored->saveTags();
         }
         // Note: groups may save tags, so must be run after tags are saved
         // to avoid errors on duplicates.
         $stored->saveAttentions($act->context->attention);
         if (!empty($urls)) {
             $stored->saveKnownUrls($urls);
         } else {
             $stored->saveUrls();
         }
     }
     if ($distribute) {
         // Prepare inbox delivery, may be queued to background.
         $stored->distribute();
     }
     return $stored;
 }
 /**
  * This is run before ->insert, so our task in this function is just to
  * delete if it is the delete verb.
  */
 public function onStartNoticeSave(Notice $stored)
 {
     // DELETE is a bit special, we have to remove the existing entry and then
     // add a new one with the same URI in order to trigger the distribution.
     // (that's why we don't use $this->isMyNotice(...))
     if (!ActivityUtils::compareVerbs($stored->verb, array(ActivityVerb::DELETE))) {
         return true;
     }
     try {
         $target = Notice::getByUri($stored->uri);
     } catch (NoResultException $e) {
         throw new AlreadyFulfilledException('Notice URI not found, so we have nothing to delete.');
     }
     $actor = $stored->getProfile();
     $owner = $target->getProfile();
     if ($owner->hasRole(Profile_role::DELETED)) {
         // Don't bother with replacing notices if its author is being deleted.
         // The later "StoreActivityObject" will pick this up and execute
         // the deletion then.
         // (the "delete verb notice" is too new to ever pass through Notice::saveNew
         // which otherwise wouldn't execute the StoreActivityObject event)
         return true;
     }
     // Since the user deleting may not be the same as the notice's owner,
     // double-check this and also set the "re-stored" notice profile_id.
     if (!$actor->sameAs($owner) && !$actor->hasRight(Right::DELETEOTHERSNOTICE)) {
         throw new AuthorizationException(_('You are not allowed to delete another user\'s notice.'));
     }
     // We copy the identifying fields and replace the sensitive ones.
     //$stored->id = $target->id;    // We can't copy this since DB_DataObject won't inject it anyway
     $props = array('uri', 'profile_id', 'conversation', 'reply_to', 'created', 'repeat_of', 'object_type', 'is_local', 'scope');
     foreach ($props as $prop) {
         $stored->{$prop} = $target->{$prop};
     }
     // Let's see if this has been deleted already.
     try {
         $deleted = Deleted_notice::getByKeys(['uri' => $stored->getUri()]);
         return $deleted;
     } catch (NoResultException $e) {
         $deleted = new Deleted_notice();
         $deleted->id = $target->getID();
         $deleted->profile_id = $actor->getID();
         $deleted->uri = $stored->getUri();
         $deleted->act_created = $stored->created;
         $deleted->created = common_sql_now();
         // throws exception on error
         $result = $deleted->insert();
     }
     // Now we delete the original notice, leaving the id and uri free.
     $target->delete();
     return true;
 }
Example #4
0
 public function onEndNoticeAsActivity(Notice $stored, Activity $act, Profile $scoped = null)
 {
     switch ($stored->verb) {
         case ActivityVerb::UNFAVORITE:
             // FIXME: do something here
             break;
         case ActivityVerb::JOIN:
             $mem = Group_member::getKV('uri', $stored->getUri());
             if ($mem instanceof Group_member) {
                 $group = $mem->getGroup();
                 $act->title = $stored->getTitle();
                 $act->objects = array(ActivityObject::fromGroup($group));
             }
             break;
         case ActivityVerb::LEAVE:
             // FIXME: ????
             break;
         case ActivityVerb::FOLLOW:
             $sub = Subscription::getKV('uri', $stored->uri);
             if ($sub instanceof Subscription) {
                 $profile = Profile::getKV('id', $sub->subscribed);
                 if ($profile instanceof Profile) {
                     $act->title = $stored->getTitle();
                     $act->objects = array($profile->asActivityObject());
                 }
             }
             break;
         case ActivityVerb::UNFOLLOW:
             // FIXME: ????
             break;
     }
     return true;
 }
 public static function extendActivity(Notice $stored, Activity $act, Profile $scoped = null)
 {
     // the original notice id and type is still stored in the Notice table
     // so we use that information to describe the delete activity
     $act->target = new ActivityObject();
     $act->target->id = $stored->getUri();
     $act->target->type = $stored->getObjectType();
     $act->objects = array(clone $act->target);
     $act->title = ActivityUtils::verbToTitle($act->verb);
 }
Example #6
0
 /**
  * Store a Bookmark object
  *
  * @param Profile $profile     To save the bookmark for
  * @param string  $title       Title of the bookmark
  * @param string  $url         URL of the bookmark
  * @param string  $description Description of the bookmark
  *
  * @return Bookmark the Bookmark object
  */
 static function saveActivityObject(ActivityObject $actobj, Notice $stored)
 {
     $url = null;
     // each extra element is array('tagname', array('attr'=>'val', ...), 'content')
     foreach ($actobj->extra as $extra) {
         if ($extra[1]['rel'] !== 'related') {
             continue;
         }
         if ($url === null && strlen($extra[1]['href']) > 0) {
             $url = $extra[1]['href'];
         } elseif ($url !== null) {
             // TRANS: Client exception thrown when a bookmark is formatted incorrectly.
             throw new ClientException(sprintf(_m('Expected exactly 1 link rel=related in a Bookmark, got %1$d.'), count($relLinkEls)));
         }
     }
     if (is_null($url)) {
         // TRANS: Client exception thrown when a bookmark is formatted incorrectly.
         throw new ClientException(sprintf(_m('Expected exactly 1 link rel=related in a Bookmark, got %1$d.'), count($relLinkEls)));
     }
     if (!strlen($actobj->title)) {
         throw new ClientException(_m('You must provide a non-empty title.'));
     }
     if (!common_valid_http_url($url)) {
         throw new ClientException(_m('Only web bookmarks can be posted (HTTP or HTTPS).'));
     }
     try {
         $object = self::getByURL($stored->getProfile(), $url);
         throw new ClientException(_m('You have already bookmarked this URL.'));
     } catch (NoResultException $e) {
         // Alright, so then we have to create it.
     }
     $nb = new Bookmark();
     $nb->id = UUID::gen();
     $nb->uri = $stored->getUri();
     $nb->profile_id = $stored->getProfile()->getID();
     $nb->title = $actobj->title;
     $nb->url = $url;
     $nb->description = $actobj->summary;
     $nb->created = $stored->created;
     $result = $nb->insert();
     if ($result === false) {
         throw new ServerException('Could not insert Bookmark into database!');
     }
     return $nb;
 }