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gnu-social-v2-archive-activ.../actions/inbox/Undo.php

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2018-07-10 01:26:02 +01:00
<?php
use Activitypub_Discovery;
/**
* GNU social - a federating social network
*
* ActivityPubPlugin implementation for GNU Social
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Plugin
* @package GNUsocial
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @author Daniel Supernault <danielsupernault@gmail.com>
* @copyright 2018 Free Software Foundation http://fsf.org
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link https://www.gnu.org/software/social/
*/
if (!defined ('GNUSOCIAL')) {
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exit (1);
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}
// Validate data
if (!isset ($data->type)) {
ActivityPubReturn::error ("Type was not specified.");
}
switch ($data->object->type) {
case "Like":
try {
// Validate data
if (!isset ($data->object->object)) {
ActivityPubReturn::error ("Object Notice URL was not specified.");
}
Fave::removeEntry ($actor_profile, Notice::getByUri($data->object->object));
ActivityPubReturn::answer ("Notice disfavorited successfully.");
} catch (Exception $e) {
ActivityPubReturn::error ($e->getMessage(), 403);
}
break;
case "Follow":
// Validate data
if (!isset ($data->object->object)) {
ActivityPubReturn::error ("Object Actor URL was not specified.");
}
// Get valid Object profile
try {
$object_profile = new Activitypub_Discovery;
$object_profile = $object_profile->lookup ($data->object->object);
} catch (Exception $e) {
ActivityPubReturn::error ("Invalid Object Actor URL.", 404);
}
try {
if (Subscription::exists ($actor_profile, $object_profile)) {
Subscription::cancel ($actor_profile, $object_profile);
ActivityPubReturn::answer ("You are no longer following this person.");
} else {
ActivityPubReturn::error ("You are not following this person already.", 409);
}
} catch (Exception $ex) {
ActivityPubReturn::error ("Invalid Object Actor URL.", 404);
}
break;
default:
ActivityPubReturn::error ("Invalid object type.");
break;
}