eaad9423dd
Now the code is following most of PSR Various changes from various branches (some testing will be required) Fixed various issues
134 lines
4.6 KiB
PHP
134 lines
4.6 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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$valid_object_types = array("Note");
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// Validate data
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if (!isset($data->id)) {
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ActivityPubReturn::error("Id not specified.");
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}
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if (!(isset($data->object->type) && in_array($data->object->type, $valid_object_types))) {
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ActivityPubReturn::error("Invalid Object type.");
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}
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if (!isset($data->object->content)) {
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ActivityPubReturn::error("Object content was not specified.");
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}
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if (!isset($data->object->url)) {
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ActivityPubReturn::error("Object url was not specified.");
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} elseif (!filter_var($data->object->url, FILTER_VALIDATE_URL)) {
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ActivityPubReturn::error("Invalid Object Url.");
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}
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if (!isset($data->object->to)) {
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ActivityPubReturn::error("Object To was not specified.");
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}
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$content = $data->object->content;
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$act = new Activity();
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$act->verb = ActivityVerb::POST;
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$act->time = time();
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$act->actor = $actor_profile->asActivityObject();
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$act->context = new ActivityContext();
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// Is this a reply?
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if (isset($data->object->reply_to)) {
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try {
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$reply_to = Notice::getByUri($data->object->reply_to);
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} catch (Exception $e) {
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ActivityPubReturn::error("Invalid Object reply_to value.");
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}
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$act->context->replyToID = $reply_to->getUri();
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$act->context->replyToUrl = $reply_to->getUrl();
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} else {
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$reply_to = null;
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}
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$act->context->attention = common_get_attentions($content, $actor_profile, $reply_to);
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$discovery = new Activitypub_explorer;
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if ($to_profiles == "https://www.w3.org/ns/activitystreams#Public") {
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$to_profiles = array();
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}
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// Generate To objects
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if (is_array($data->object->to)) {
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// Remove duplicates from To actors set
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array_unique($data->object->to);
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foreach ($data->object->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 $e) {
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// XXX: Invalid actor found, not sure how we handle those
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}
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}
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} elseif (empty($data->object->to) || in_array($data->object->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->object->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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foreach ($to_profiles as $to) {
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$act->context->attention[ActivityPubPlugin::actor_uri($to)] = "http://activitystrea.ms/schema/1.0/person";
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}
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// Reject notice if it is too long (without the HTML)
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// This is done after MediaFile::fromUpload etc. just to act the same as the ApiStatusesUpdateAction
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if (Notice::contentTooLong($content)) {
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ActivityPubReturn::error("That's too long. Maximum notice size is %d character.");
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}
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$options = array('source' => 'ActivityPub', 'uri' => isset($data->id) ? $data->id : $data->object->url, 'url' => $data->object->url);
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// $options gets filled with possible scoping settings
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ToSelector::fillActivity($this, $act, $options);
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$actobj = new ActivityObject();
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$actobj->type = ActivityObject::NOTE;
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$actobj->content = common_render_content($content, $actor_profile, $reply_to);
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// Finally add the activity object to our activity
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$act->objects[] = $actobj;
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try {
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$res = Activitypub_create::create_to_array(
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$data->id,
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$data->actor,
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Activitypub_notice::notice_to_array(Notice::saveActivity($act, $actor_profile, $options))
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);
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ActivityPubReturn::answer($res);
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} catch (Exception $e) {
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ActivityPubReturn::error($e->getMessage());
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}
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