30c073538c
Added author credits in every function so that we know who to bother when something goes wrong Refer to issues #34 and #35
139 lines
6.2 KiB
PHP
139 lines
6.2 KiB
PHP
<?php
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/**
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* GNU social - a federating social network
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*
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* ActivityPubPlugin implementation for GNU Social
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*
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* LICENCE: 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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* @category Plugin
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* @package GNUsocial
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @author Daniel Supernault <danielsupernault@gmail.com>
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* @copyright 2018 Free Software Foundation http://fsf.org
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link https://www.gnu.org/software/social/
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*/
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if (!defined ('GNUSOCIAL')) {
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exit (1);
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}
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/**
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* Shared Inbox Handler
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*
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* @category Plugin
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* @package GNUsocial
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://www.gnu.org/software/social/
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*/
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class apSharedInboxAction extends ManagedAction
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{
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protected $needLogin = false;
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protected $canPost = true;
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/**
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* Handle the Shared Inbox request
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*
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @return void
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*/
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protected function handle ()
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{
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if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
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ActivityPubReturn::error ("Only POST requests allowed.");
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}
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$data = json_decode (file_get_contents ('php://input'));
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// Validate data
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if (!isset ($data->type)) {
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ActivityPubReturn::error ("Type was not specified.");
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}
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if (!isset ($data->actor)) {
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ActivityPubReturn::error ("Actor was not specified.");
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}
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if (!isset ($data->object)) {
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ActivityPubReturn::error ("Object was not specified.");
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}
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$discovery = new Activitypub_explorer;
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// Get valid Actor object
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try {
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$actor_profile = $discovery->lookup ($data->actor);
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$actor_profile = $actor_profile[0];
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} catch (Exception $e) {
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ActivityPubReturn::error ("Invalid Actor.", 404);
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}
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unset ($discovery);
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// Public To:
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$public_to = array ("https://www.w3.org/ns/activitystreams#Public",
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"Public",
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"as:Public");
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// Process request
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switch ($data->type) {
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case "Create":
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if (!isset($data->to)) {
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ActivityPubReturn::error ("To was not specified.");
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}
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$discovery = new Activitypub_explorer;
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$to_profiles = array ();
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// Generate To objects
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if (is_array ($data->to)) {
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// Remove duplicates from To actors set
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array_unique ($data->to);
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foreach ($data->to as $to_url) {
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try {
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$to_profiles = array_merge ($to_profiles, $discovery->lookup ($to_url));
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} catch (Exception $e) {
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// XXX: Invalid actor found, not sure how we handle those
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}
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}
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} else if (empty ($data->to) || in_array ($data->to, $public_to)) {
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// No need to do anything else at this point, let's just break out the if
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} else {
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try {
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$to_profiles[]= $discovery->lookup ($data->to);
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} catch (Exception $e) {
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ActivityPubReturn::error ("Invalid Actor.", 404);
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}
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}
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unset ($discovery);
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require_once __DIR__ . DIRECTORY_SEPARATOR . "inbox" . DIRECTORY_SEPARATOR . "Create.php";
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break;
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case "Follow":
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require_once __DIR__ . DIRECTORY_SEPARATOR . "inbox" . DIRECTORY_SEPARATOR . "Follow.php";
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break;
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case "Like":
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require_once __DIR__ . DIRECTORY_SEPARATOR . "inbox" . DIRECTORY_SEPARATOR . "Like.php";
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break;
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case "Announce":
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require_once __DIR__ . DIRECTORY_SEPARATOR . "inbox" . DIRECTORY_SEPARATOR . "Announce.php";
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break;
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case "Undo":
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require_once __DIR__ . DIRECTORY_SEPARATOR . "inbox" . DIRECTORY_SEPARATOR . "Undo.php";
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break;
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case "Delete":
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require_once __DIR__ . DIRECTORY_SEPARATOR . "inbox" . DIRECTORY_SEPARATOR . "Delete.php";
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break;
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default:
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ActivityPubReturn::error ("Invalid type value.");
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}
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}
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}
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