forked from GNUsocial/gnu-social
More modern coding, stuff related to subscriptions
Also trying to use the newly implemented AlreadyFulfilledException
This commit is contained in:
Mikael Nordfeldth
227
plugins/OStatus/lib/salmonaction.php
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227
plugins/OStatus/lib/salmonaction.php
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<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @package OStatusPlugin
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* @author James Walker <james@status.net>
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*/
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if (!defined('GNUSOCIAL')) { exit(1); }
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class SalmonAction extends Action
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{
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var $xml = null;
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var $activity = null;
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var $target = null;
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protected function prepare(array $args=array())
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{
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StatusNet::setApi(true); // Send smaller error pages
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parent::prepare($args);
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if ($_SERVER['REQUEST_METHOD'] != 'POST') {
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// TRANS: Client error. POST is a HTTP command. It should not be translated.
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$this->clientError(_m('This method requires a POST.'));
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}
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if (empty($_SERVER['CONTENT_TYPE']) || $_SERVER['CONTENT_TYPE'] != 'application/magic-envelope+xml') {
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// TRANS: Client error. Do not translate "application/magic-envelope+xml".
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$this->clientError(_m('Salmon requires "application/magic-envelope+xml".'));
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}
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$xml = file_get_contents('php://input');
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// Check the signature
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$salmon = new Salmon;
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if (!$salmon->verifyMagicEnv($xml)) {
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common_log(LOG_DEBUG, "Salmon signature verification failed.");
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// TRANS: Client error.
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$this->clientError(_m('Salmon signature verification failed.'));
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} else {
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$magic_env = new MagicEnvelope();
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$env = $magic_env->parse($xml);
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$xml = $magic_env->unfold($env);
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}
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$dom = DOMDocument::loadXML($xml);
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if ($dom->documentElement->namespaceURI != Activity::ATOM ||
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$dom->documentElement->localName != 'entry') {
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common_log(LOG_DEBUG, "Got invalid Salmon post: $xml");
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// TRANS: Client error.
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$this->clientError(_m('Salmon post must be an Atom entry.'));
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}
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$this->activity = new Activity($dom->documentElement);
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return true;
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}
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/**
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* Check the posted activity type and break out to appropriate processing.
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*/
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protected function handle()
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{
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parent::handle();
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common_log(LOG_DEBUG, "Got a " . $this->activity->verb);
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if (Event::handle('StartHandleSalmonTarget', array($this->activity, $this->target)) &&
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Event::handle('StartHandleSalmon', array($this->activity))) {
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switch ($this->activity->verb)
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{
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case ActivityVerb::POST:
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$this->handlePost();
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break;
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case ActivityVerb::SHARE:
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$this->handleShare();
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break;
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case ActivityVerb::FAVORITE:
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$this->handleFavorite();
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break;
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case ActivityVerb::UNFAVORITE:
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$this->handleUnfavorite();
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break;
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case ActivityVerb::FOLLOW:
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case ActivityVerb::FRIEND:
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$this->handleFollow();
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break;
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case ActivityVerb::UNFOLLOW:
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$this->handleUnfollow();
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break;
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case ActivityVerb::JOIN:
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$this->handleJoin();
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break;
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case ActivityVerb::LEAVE:
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$this->handleLeave();
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break;
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case ActivityVerb::TAG:
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$this->handleTag();
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break;
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case ActivityVerb::UNTAG:
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$this->handleUntag();
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break;
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case ActivityVerb::UPDATE_PROFILE:
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$this->handleUpdateProfile();
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break;
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default:
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// TRANS: Client exception.
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throw new ClientException(_m('Unrecognized activity type.'));
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}
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Event::handle('EndHandleSalmon', array($this->activity));
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Event::handle('EndHandleSalmonTarget', array($this->activity, $this->target));
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}
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}
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function handlePost()
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{
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// TRANS: Client exception.
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throw new ClientException(_m('This target does not understand posts.'));
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}
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function handleFollow()
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{
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// TRANS: Client exception.
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throw new ClientException(_m('This target does not understand follows.'));
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}
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function handleUnfollow()
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{
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// TRANS: Client exception.
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throw new ClientException(_m('This target does not understand unfollows.'));
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}
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function handleFavorite()
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{
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// TRANS: Client exception.
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throw new ClientException(_m('This target does not understand favorites.'));
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}
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function handleUnfavorite()
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{
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// TRANS: Client exception.
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throw new ClientException(_m('This target does not understand unfavorites.'));
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}
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function handleShare()
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{
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// TRANS: Client exception.
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throw new ClientException(_m('This target does not understand share events.'));
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}
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function handleJoin()
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{
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// TRANS: Client exception.
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throw new ClientException(_m('This target does not understand joins.'));
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}
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function handleLeave()
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{
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// TRANS: Client exception.
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throw new ClientException(_m('This target does not understand leave events.'));
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}
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function handleTag()
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{
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// TRANS: Client exception.
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throw new ClientException(_m('This target does not understand list events.'));
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}
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function handleUntag()
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{
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// TRANS: Client exception.
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throw new ClientException(_m('This target does not understand unlist events.'));
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}
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/**
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* Remote user sent us an update to their profile.
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* If we already know them, accept the updates.
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*/
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function handleUpdateProfile()
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{
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$oprofile = Ostatus_profile::getActorProfile($this->activity);
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if ($oprofile instanceof Ostatus_profile) {
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common_log(LOG_INFO, "Got a profile-update ping from $oprofile->uri");
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$oprofile->updateFromActivityObject($this->activity->actor);
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} else {
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common_log(LOG_INFO, "Ignoring profile-update ping from unknown " . $this->activity->actor->id);
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}
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}
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/**
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* @return Ostatus_profile
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*/
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function ensureProfile()
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{
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$actor = $this->activity->actor;
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if (empty($actor->id)) {
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common_log(LOG_ERR, "broken actor: " . var_export($actor, true));
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common_log(LOG_ERR, "activity with no actor: " . var_export($this->activity, true));
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// TRANS: Exception.
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throw new Exception(_m('Received a salmon slap from unidentified actor.'));
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}
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return Ostatus_profile::ensureActivityObjectProfile($actor);
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}
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function saveNotice()
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{
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$oprofile = $this->ensureProfile();
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return $oprofile->processPost($this->activity, 'salmon');
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}
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}
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