1847 lines
54 KiB
PHP
1847 lines
54 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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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
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* published by the Free Software Foundation, either version 3 of the
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* License, or (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 <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Protocol\ActivityPub;
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use Friendica\Content\Feature;
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use Friendica\Content\Text\BBCode;
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use Friendica\Content\Text\Plaintext;
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use Friendica\Core\Cache\Duration;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Core\System;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\APContact;
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use Friendica\Model\Contact;
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use Friendica\Model\Conversation;
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use Friendica\Model\Item;
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use Friendica\Model\ItemURI;
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use Friendica\Model\Profile;
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use Friendica\Model\Photo;
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use Friendica\Model\Tag;
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use Friendica\Model\User;
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use Friendica\Protocol\Activity;
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use Friendica\Protocol\ActivityPub;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\HTTPSignature;
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use Friendica\Util\Images;
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use Friendica\Util\JsonLD;
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use Friendica\Util\LDSignature;
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use Friendica\Util\Map;
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use Friendica\Util\Network;
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use Friendica\Util\XML;
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require_once 'include/api.php';
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require_once 'mod/share.php';
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/**
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* ActivityPub Transmitter Protocol class
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*
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* To-Do:
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* @todo Undo Announce
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*/
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class Transmitter
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{
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/**
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* Collects a list of contacts of the given owner
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*
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* @param array $owner Owner array
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* @param int|array $rel The relevant value(s) contact.rel should match
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* @param string $module The name of the relevant AP endpoint module (followers|following)
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* @param integer $page Page number
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*
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* @return array of owners
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* @throws \Exception
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*/
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public static function getContacts($owner, $rel, $module, $page = null)
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{
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$condition = ['rel' => $rel, 'network' => Protocol::FEDERATED, 'uid' => $owner['uid'],
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'self' => false, 'deleted' => false, 'hidden' => false, 'archive' => false, 'pending' => false];
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$count = DBA::count('contact', $condition);
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$modulePath = '/' . $module . '/';
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$data = ['@context' => ActivityPub::CONTEXT];
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$data['id'] = DI::baseUrl() . $modulePath . $owner['nickname'];
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$data['type'] = 'OrderedCollection';
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$data['totalItems'] = $count;
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// When we hide our friends we will only show the pure number but don't allow more.
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$profile = Profile::getByUID($owner['uid']);
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if (!empty($profile['hide-friends'])) {
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return $data;
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}
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if (empty($page)) {
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$data['first'] = DI::baseUrl() . $modulePath . $owner['nickname'] . '?page=1';
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} else {
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$data['type'] = 'OrderedCollectionPage';
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$list = [];
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$contacts = DBA::select('contact', ['url'], $condition, ['limit' => [($page - 1) * 100, 100]]);
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while ($contact = DBA::fetch($contacts)) {
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$list[] = $contact['url'];
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}
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DBA::close($contacts);
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if (!empty($list)) {
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$data['next'] = DI::baseUrl() . $modulePath . $owner['nickname'] . '?page=' . ($page + 1);
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}
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$data['partOf'] = DI::baseUrl() . $modulePath . $owner['nickname'];
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$data['orderedItems'] = $list;
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}
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return $data;
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}
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/**
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* Public posts for the given owner
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*
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* @param array $owner Owner array
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* @param integer $page Page numbe
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*
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* @return array of posts
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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public static function getOutbox($owner, $page = null)
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{
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$public_contact = Contact::getIdForURL($owner['url'], 0, true);
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$condition = ['uid' => 0, 'contact-id' => $public_contact, 'author-id' => $public_contact,
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'private' => [Item::PUBLIC, Item::UNLISTED], 'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT],
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'deleted' => false, 'visible' => true, 'moderated' => false];
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$count = DBA::count('item', $condition);
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$data = ['@context' => ActivityPub::CONTEXT];
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$data['id'] = DI::baseUrl() . '/outbox/' . $owner['nickname'];
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$data['type'] = 'OrderedCollection';
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$data['totalItems'] = $count;
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if (empty($page)) {
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$data['first'] = DI::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=1';
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} else {
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$data['type'] = 'OrderedCollectionPage';
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$list = [];
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$condition['parent-network'] = Protocol::NATIVE_SUPPORT;
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$items = Item::select(['id'], $condition, ['limit' => [($page - 1) * 20, 20], 'order' => ['created' => true]]);
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while ($item = Item::fetch($items)) {
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$activity = self::createActivityFromItem($item['id'], true);
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$activity['type'] = $activity['type'] == 'Update' ? 'Create' : $activity['type'];
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// Only list "Create" activity objects here, no reshares
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if (!empty($activity['object']) && ($activity['type'] == 'Create')) {
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$list[] = $activity['object'];
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}
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}
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if (!empty($list)) {
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$data['next'] = DI::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=' . ($page + 1);
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}
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$data['partOf'] = DI::baseUrl() . '/outbox/' . $owner['nickname'];
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$data['orderedItems'] = $list;
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}
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return $data;
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}
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/**
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* Return the service array containing information the used software and it's url
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*
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* @return array with service data
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*/
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private static function getService()
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{
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return ['type' => 'Service',
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'name' => FRIENDICA_PLATFORM . " '" . FRIENDICA_CODENAME . "' " . FRIENDICA_VERSION . '-' . DB_UPDATE_VERSION,
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'url' => DI::baseUrl()->get()];
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}
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/**
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* Return the ActivityPub profile of the given user
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*
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* @param integer $uid User ID
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* @return array with profile data
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function getProfile($uid)
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{
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$condition = ['uid' => $uid, 'blocked' => false, 'account_expired' => false,
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'account_removed' => false, 'verified' => true];
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$fields = ['guid', 'nickname', 'pubkey', 'account-type', 'page-flags'];
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$user = DBA::selectFirst('user', $fields, $condition);
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if (!DBA::isResult($user)) {
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return [];
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}
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$fields = ['locality', 'region', 'country-name'];
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$profile = DBA::selectFirst('profile', $fields, ['uid' => $uid]);
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if (!DBA::isResult($profile)) {
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return [];
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}
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$fields = ['name', 'url', 'location', 'about', 'avatar', 'photo'];
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$contact = DBA::selectFirst('contact', $fields, ['uid' => $uid, 'self' => true]);
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if (!DBA::isResult($contact)) {
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return [];
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}
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$data = ['@context' => ActivityPub::CONTEXT];
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$data['id'] = $contact['url'];
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$data['diaspora:guid'] = $user['guid'];
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$data['type'] = ActivityPub::ACCOUNT_TYPES[$user['account-type']];
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$data['following'] = DI::baseUrl() . '/following/' . $user['nickname'];
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$data['followers'] = DI::baseUrl() . '/followers/' . $user['nickname'];
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$data['inbox'] = DI::baseUrl() . '/inbox/' . $user['nickname'];
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$data['outbox'] = DI::baseUrl() . '/outbox/' . $user['nickname'];
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$data['preferredUsername'] = $user['nickname'];
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$data['name'] = $contact['name'];
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$data['vcard:hasAddress'] = ['@type' => 'vcard:Home', 'vcard:country-name' => $profile['country-name'],
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'vcard:region' => $profile['region'], 'vcard:locality' => $profile['locality']];
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$data['summary'] = BBCode::convert($contact['about'], false);
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$data['url'] = $contact['url'];
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$data['manuallyApprovesFollowers'] = in_array($user['page-flags'], [User::PAGE_FLAGS_NORMAL, User::PAGE_FLAGS_PRVGROUP]);
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$data['publicKey'] = ['id' => $contact['url'] . '#main-key',
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'owner' => $contact['url'],
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'publicKeyPem' => $user['pubkey']];
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$data['endpoints'] = ['sharedInbox' => DI::baseUrl() . '/inbox'];
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$data['icon'] = ['type' => 'Image',
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'url' => $contact['photo']];
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$data['generator'] = self::getService();
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// tags: https://kitty.town/@inmysocks/100656097926961126.json
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return $data;
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}
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/**
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* @param string $username
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* @return array
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function getDeletedUser($username)
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{
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return [
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'@context' => ActivityPub::CONTEXT,
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'id' => DI::baseUrl() . '/profile/' . $username,
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'type' => 'Tombstone',
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'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
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'updated' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
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'deleted' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
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];
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}
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/**
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* Returns an array with permissions of a given item array
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*
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* @param array $item
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*
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* @return array with permissions
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function fetchPermissionBlockFromConversation($item)
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{
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if (empty($item['thr-parent'])) {
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return [];
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}
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$condition = ['item-uri' => $item['thr-parent'], 'protocol' => Conversation::PARCEL_ACTIVITYPUB];
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$conversation = DBA::selectFirst('conversation', ['source'], $condition);
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if (!DBA::isResult($conversation)) {
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return [];
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}
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$activity = json_decode($conversation['source'], true);
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$actor = JsonLD::fetchElement($activity, 'actor', 'id');
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$profile = APContact::getByURL($actor);
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$item_profile = APContact::getByURL($item['author-link']);
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$exclude[] = $item['author-link'];
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if ($item['gravity'] == GRAVITY_PARENT) {
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$exclude[] = $item['owner-link'];
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}
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$permissions['to'][] = $actor;
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foreach (['to', 'cc', 'bto', 'bcc'] as $element) {
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if (empty($activity[$element])) {
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continue;
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}
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if (is_string($activity[$element])) {
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$activity[$element] = [$activity[$element]];
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}
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foreach ($activity[$element] as $receiver) {
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if (empty($receiver)) {
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continue;
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}
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if (!empty($profile['followers']) && $receiver == $profile['followers'] && !empty($item_profile['followers'])) {
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$permissions[$element][] = $item_profile['followers'];
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} elseif (!in_array($receiver, $exclude)) {
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$permissions[$element][] = $receiver;
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}
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}
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}
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return $permissions;
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}
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/**
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* Creates an array of permissions from an item thread
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*
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* @param array $item Item array
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* @param boolean $blindcopy addressing via "bcc" or "cc"?
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* @param integer $last_id Last item id for adding receivers
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* @param boolean $forum_mode "true" means that we are sending content to a forum
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*
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* @return array with permission data
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function createPermissionBlockForItem($item, $blindcopy, $last_id = 0, $forum_mode = false)
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{
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if ($last_id == 0) {
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$last_id = $item['id'];
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}
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$always_bcc = false;
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// Check if we should always deliver our stuff via BCC
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if (!empty($item['uid'])) {
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$profile = Profile::getByUID($item['uid']);
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if (!empty($profile)) {
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$always_bcc = $profile['hide-friends'];
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}
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}
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if (DI::config()->get('system', 'ap_always_bcc')) {
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$always_bcc = true;
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}
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if (self::isAnnounce($item) || DI::config()->get('debug', 'total_ap_delivery')) {
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// Will be activated in a later step
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$networks = Protocol::FEDERATED;
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} else {
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// For now only send to these contacts:
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$networks = [Protocol::ACTIVITYPUB, Protocol::OSTATUS];
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}
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$data = ['to' => [], 'cc' => [], 'bcc' => []];
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if ($item['gravity'] == GRAVITY_PARENT) {
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$actor_profile = APContact::getByURL($item['owner-link']);
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} else {
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$actor_profile = APContact::getByURL($item['author-link']);
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}
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$terms = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::IMPLICIT_MENTION, Tag::EXCLUSIVE_MENTION]);
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if ($item['private'] != Item::PRIVATE) {
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// Directly mention the original author upon a quoted reshare.
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// Else just ensure that the original author receives the reshare.
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$announce = self::getAnnounceArray($item);
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if (!empty($announce['comment'])) {
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$data['to'][] = $announce['actor']['url'];
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} elseif (!empty($announce)) {
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$data['cc'][] = $announce['actor']['url'];
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}
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$data = array_merge($data, self::fetchPermissionBlockFromConversation($item));
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// Check if the item is completely public or unlisted
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if ($item['private'] == Item::PUBLIC) {
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$data['to'][] = ActivityPub::PUBLIC_COLLECTION;
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} else {
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$data['cc'][] = ActivityPub::PUBLIC_COLLECTION;
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}
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foreach ($terms as $term) {
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$profile = APContact::getByURL($term['url'], false);
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if (!empty($profile)) {
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$data['to'][] = $profile['url'];
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}
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}
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} else {
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$receiver_list = Item::enumeratePermissions($item, true);
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foreach ($terms as $term) {
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$cid = Contact::getIdForURL($term['url'], $item['uid']);
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if (!empty($cid) && in_array($cid, $receiver_list)) {
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$contact = DBA::selectFirst('contact', ['url', 'network', 'protocol'], ['id' => $cid]);
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if (!DBA::isResult($contact) || (!in_array($contact['network'], $networks) && ($contact['protocol'] != Protocol::ACTIVITYPUB))) {
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continue;
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}
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if (!empty($profile = APContact::getByURL($contact['url'], false))) {
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$data['to'][] = $profile['url'];
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}
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}
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}
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foreach ($receiver_list as $receiver) {
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$contact = DBA::selectFirst('contact', ['url', 'hidden', 'network', 'protocol'], ['id' => $receiver]);
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if (!DBA::isResult($contact) || (!in_array($contact['network'], $networks) && ($contact['protocol'] != Protocol::ACTIVITYPUB))) {
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continue;
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}
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if (!empty($profile = APContact::getByURL($contact['url'], false))) {
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if ($contact['hidden'] || $always_bcc) {
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$data['bcc'][] = $profile['url'];
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} else {
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$data['cc'][] = $profile['url'];
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}
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}
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}
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}
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if (!empty($item['parent'])) {
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$parents = Item::select(['id', 'author-link', 'owner-link', 'gravity', 'uri'], ['parent' => $item['parent']]);
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while ($parent = Item::fetch($parents)) {
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if ($parent['gravity'] == GRAVITY_PARENT) {
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$profile = APContact::getByURL($parent['owner-link'], false);
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if (!empty($profile)) {
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if ($item['gravity'] != GRAVITY_PARENT) {
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// Comments to forums are directed to the forum
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// But comments to forums aren't directed to the followers collection
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if ($profile['type'] == 'Group') {
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$data['to'][] = $profile['url'];
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} else {
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$data['cc'][] = $profile['url'];
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if (($item['private'] != Item::PRIVATE) && !empty($actor_profile['followers'])) {
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$data['cc'][] = $actor_profile['followers'];
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}
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}
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} else {
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// Public thread parent post always are directed to the followers
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if (($item['private'] != Item::PRIVATE) && !$forum_mode) {
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$data['cc'][] = $actor_profile['followers'];
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}
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}
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}
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}
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// Don't include data from future posts
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if ($parent['id'] >= $last_id) {
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continue;
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}
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$profile = APContact::getByURL($parent['author-link'], false);
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if (!empty($profile)) {
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if (($profile['type'] == 'Group') || ($parent['uri'] == $item['thr-parent'])) {
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$data['to'][] = $profile['url'];
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} else {
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$data['cc'][] = $profile['url'];
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}
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}
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}
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DBA::close($parents);
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}
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$data['to'] = array_unique($data['to']);
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$data['cc'] = array_unique($data['cc']);
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$data['bcc'] = array_unique($data['bcc']);
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if (($key = array_search($item['author-link'], $data['to'])) !== false) {
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unset($data['to'][$key]);
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}
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if (($key = array_search($item['author-link'], $data['cc'])) !== false) {
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unset($data['cc'][$key]);
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}
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if (($key = array_search($item['author-link'], $data['bcc'])) !== false) {
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unset($data['bcc'][$key]);
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}
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foreach ($data['to'] as $to) {
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|
if (($key = array_search($to, $data['cc'])) !== false) {
|
|
unset($data['cc'][$key]);
|
|
}
|
|
|
|
if (($key = array_search($to, $data['bcc'])) !== false) {
|
|
unset($data['bcc'][$key]);
|
|
}
|
|
}
|
|
|
|
foreach ($data['cc'] as $cc) {
|
|
if (($key = array_search($cc, $data['bcc'])) !== false) {
|
|
unset($data['bcc'][$key]);
|
|
}
|
|
}
|
|
|
|
$receivers = ['to' => array_values($data['to']), 'cc' => array_values($data['cc']), 'bcc' => array_values($data['bcc'])];
|
|
|
|
if (!$blindcopy) {
|
|
unset($receivers['bcc']);
|
|
}
|
|
|
|
return $receivers;
|
|
}
|
|
|
|
/**
|
|
* Check if an inbox is archived
|
|
*
|
|
* @param string $url Inbox url
|
|
*
|
|
* @return boolean "true" if inbox is archived
|
|
*/
|
|
private static function archivedInbox($url)
|
|
{
|
|
return DBA::exists('inbox-status', ['url' => $url, 'archive' => true]);
|
|
}
|
|
|
|
/**
|
|
* Fetches a list of inboxes of followers of a given user
|
|
*
|
|
* @param integer $uid User ID
|
|
* @param boolean $personal fetch personal inboxes
|
|
*
|
|
* @return array of follower inboxes
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function fetchTargetInboxesforUser($uid, $personal = false)
|
|
{
|
|
$inboxes = [];
|
|
|
|
if (DI::config()->get('debug', 'total_ap_delivery')) {
|
|
// Will be activated in a later step
|
|
$networks = Protocol::FEDERATED;
|
|
} else {
|
|
// For now only send to these contacts:
|
|
$networks = [Protocol::ACTIVITYPUB, Protocol::OSTATUS];
|
|
}
|
|
|
|
$condition = ['uid' => $uid, 'archive' => false, 'pending' => false];
|
|
|
|
if (!empty($uid)) {
|
|
$condition['rel'] = [Contact::FOLLOWER, Contact::FRIEND];
|
|
}
|
|
|
|
$contacts = DBA::select('contact', ['url', 'network', 'protocol'], $condition);
|
|
while ($contact = DBA::fetch($contacts)) {
|
|
if (Contact::isLocal($contact['url'])) {
|
|
continue;
|
|
}
|
|
|
|
if (!in_array($contact['network'], $networks) && ($contact['protocol'] != Protocol::ACTIVITYPUB)) {
|
|
continue;
|
|
}
|
|
|
|
if (Network::isUrlBlocked($contact['url'])) {
|
|
continue;
|
|
}
|
|
|
|
$profile = APContact::getByURL($contact['url'], false);
|
|
if (!empty($profile)) {
|
|
if (empty($profile['sharedinbox']) || $personal) {
|
|
$target = $profile['inbox'];
|
|
} else {
|
|
$target = $profile['sharedinbox'];
|
|
}
|
|
if (!self::archivedInbox($target)) {
|
|
$inboxes[$target] = $target;
|
|
}
|
|
}
|
|
}
|
|
DBA::close($contacts);
|
|
|
|
return $inboxes;
|
|
}
|
|
|
|
/**
|
|
* Fetches an array of inboxes for the given item and user
|
|
*
|
|
* @param array $item Item array
|
|
* @param integer $uid User ID
|
|
* @param boolean $personal fetch personal inboxes
|
|
* @param integer $last_id Last item id for adding receivers
|
|
* @param boolean $forum_mode "true" means that we are sending content to a forum
|
|
* @return array with inboxes
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function fetchTargetInboxes($item, $uid, $personal = false, $last_id = 0, $forum_mode = false)
|
|
{
|
|
$permissions = self::createPermissionBlockForItem($item, true, $last_id, $forum_mode);
|
|
if (empty($permissions)) {
|
|
return [];
|
|
}
|
|
|
|
$inboxes = [];
|
|
|
|
if ($item['gravity'] == GRAVITY_ACTIVITY) {
|
|
$item_profile = APContact::getByURL($item['author-link'], false);
|
|
} else {
|
|
$item_profile = APContact::getByURL($item['owner-link'], false);
|
|
}
|
|
|
|
foreach (['to', 'cc', 'bto', 'bcc'] as $element) {
|
|
if (empty($permissions[$element])) {
|
|
continue;
|
|
}
|
|
|
|
$blindcopy = in_array($element, ['bto', 'bcc']);
|
|
|
|
foreach ($permissions[$element] as $receiver) {
|
|
if (empty($receiver) || Network::isUrlBlocked($receiver)) {
|
|
continue;
|
|
}
|
|
|
|
if ($receiver == $item_profile['followers']) {
|
|
$inboxes = array_merge($inboxes, self::fetchTargetInboxesforUser($uid, $personal));
|
|
} else {
|
|
if (Contact::isLocal($receiver)) {
|
|
continue;
|
|
}
|
|
|
|
$profile = APContact::getByURL($receiver, false);
|
|
if (!empty($profile)) {
|
|
if (empty($profile['sharedinbox']) || $personal || $blindcopy) {
|
|
$target = $profile['inbox'];
|
|
} else {
|
|
$target = $profile['sharedinbox'];
|
|
}
|
|
if (!self::archivedInbox($target)) {
|
|
$inboxes[$target] = $target;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $inboxes;
|
|
}
|
|
|
|
/**
|
|
* Creates an array in the structure of the item table for a given mail id
|
|
*
|
|
* @param integer $mail_id
|
|
*
|
|
* @return array
|
|
* @throws \Exception
|
|
*/
|
|
public static function ItemArrayFromMail($mail_id)
|
|
{
|
|
$mail = DBA::selectFirst('mail', [], ['id' => $mail_id]);
|
|
if (!DBA::isResult($mail)) {
|
|
return [];
|
|
}
|
|
|
|
$mail['uri-id'] = ItemURI::insert(['uri' => $mail['uri'], 'guid' => $mail['guid']]);
|
|
|
|
$reply = DBA::selectFirst('mail', ['uri'], ['parent-uri' => $mail['parent-uri'], 'reply' => false]);
|
|
|
|
// Making the post more compatible for Mastodon by:
|
|
// - Making it a note and not an article (no title)
|
|
// - Moving the title into the "summary" field that is used as a "content warning"
|
|
$mail['body'] = '[abstract]' . $mail['title'] . "[/abstract]\n" . $mail['body'];
|
|
$mail['title'] = '';
|
|
|
|
$mail['author-link'] = $mail['owner-link'] = $mail['from-url'];
|
|
$mail['allow_cid'] = '<'.$mail['contact-id'].'>';
|
|
$mail['allow_gid'] = '';
|
|
$mail['deny_cid'] = '';
|
|
$mail['deny_gid'] = '';
|
|
$mail['private'] = true;
|
|
$mail['deleted'] = false;
|
|
$mail['edited'] = $mail['created'];
|
|
$mail['plink'] = $mail['uri'];
|
|
$mail['thr-parent'] = $reply['uri'];
|
|
$mail['gravity'] = ($mail['reply'] ? GRAVITY_COMMENT: GRAVITY_PARENT);
|
|
|
|
$mail['event-type'] = '';
|
|
$mail['attach'] = '';
|
|
|
|
$mail['parent'] = 0;
|
|
|
|
return $mail;
|
|
}
|
|
|
|
/**
|
|
* Creates an activity array for a given mail id
|
|
*
|
|
* @param integer $mail_id
|
|
* @param boolean $object_mode Is the activity item is used inside another object?
|
|
*
|
|
* @return array of activity
|
|
* @throws \Exception
|
|
*/
|
|
public static function createActivityFromMail($mail_id, $object_mode = false)
|
|
{
|
|
$mail = self::ItemArrayFromMail($mail_id);
|
|
$object = self::createNote($mail);
|
|
|
|
if (!$object_mode) {
|
|
$data = ['@context' => ActivityPub::CONTEXT];
|
|
} else {
|
|
$data = [];
|
|
}
|
|
|
|
$data['id'] = $mail['uri'] . '#Create';
|
|
$data['type'] = 'Create';
|
|
$data['actor'] = $mail['author-link'];
|
|
$data['published'] = DateTimeFormat::utc($mail['created'] . '+00:00', DateTimeFormat::ATOM);
|
|
$data['instrument'] = self::getService();
|
|
$data = array_merge($data, self::createPermissionBlockForItem($mail, true));
|
|
|
|
if (empty($data['to']) && !empty($data['cc'])) {
|
|
$data['to'] = $data['cc'];
|
|
}
|
|
|
|
if (empty($data['to']) && !empty($data['bcc'])) {
|
|
$data['to'] = $data['bcc'];
|
|
}
|
|
|
|
unset($data['cc']);
|
|
unset($data['bcc']);
|
|
|
|
$object['to'] = $data['to'];
|
|
$object['tag'] = [['type' => 'Mention', 'href' => $object['to'][0], 'name' => '']];
|
|
|
|
unset($object['cc']);
|
|
unset($object['bcc']);
|
|
|
|
$data['directMessage'] = true;
|
|
|
|
$data['object'] = $object;
|
|
|
|
$owner = User::getOwnerDataById($mail['uid']);
|
|
|
|
if (!$object_mode && !empty($owner)) {
|
|
return LDSignature::sign($data, $owner);
|
|
} else {
|
|
return $data;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the activity type of a given item
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return string with activity type
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function getTypeOfItem($item)
|
|
{
|
|
$reshared = false;
|
|
|
|
// Only check for a reshare, if it is a real reshare and no quoted reshare
|
|
if (strpos($item['body'], "[share") === 0) {
|
|
$announce = self::getAnnounceArray($item);
|
|
$reshared = !empty($announce);
|
|
}
|
|
|
|
if ($reshared) {
|
|
$type = 'Announce';
|
|
} elseif ($item['verb'] == Activity::POST) {
|
|
if ($item['created'] == $item['edited']) {
|
|
$type = 'Create';
|
|
} else {
|
|
$type = 'Update';
|
|
}
|
|
} elseif ($item['verb'] == Activity::LIKE) {
|
|
$type = 'Like';
|
|
} elseif ($item['verb'] == Activity::DISLIKE) {
|
|
$type = 'Dislike';
|
|
} elseif ($item['verb'] == Activity::ATTEND) {
|
|
$type = 'Accept';
|
|
} elseif ($item['verb'] == Activity::ATTENDNO) {
|
|
$type = 'Reject';
|
|
} elseif ($item['verb'] == Activity::ATTENDMAYBE) {
|
|
$type = 'TentativeAccept';
|
|
} elseif ($item['verb'] == Activity::FOLLOW) {
|
|
$type = 'Follow';
|
|
} elseif ($item['verb'] == Activity::TAG) {
|
|
$type = 'Add';
|
|
} else {
|
|
$type = '';
|
|
}
|
|
|
|
return $type;
|
|
}
|
|
|
|
/**
|
|
* Creates the activity or fetches it from the cache
|
|
*
|
|
* @param integer $item_id
|
|
* @param boolean $force Force new cache entry
|
|
*
|
|
* @return array with the activity
|
|
* @throws \Exception
|
|
*/
|
|
public static function createCachedActivityFromItem($item_id, $force = false)
|
|
{
|
|
$cachekey = 'APDelivery:createActivity:' . $item_id;
|
|
|
|
if (!$force) {
|
|
$data = DI::cache()->get($cachekey);
|
|
if (!is_null($data)) {
|
|
return $data;
|
|
}
|
|
}
|
|
|
|
$data = ActivityPub\Transmitter::createActivityFromItem($item_id);
|
|
|
|
DI::cache()->set($cachekey, $data, Duration::QUARTER_HOUR);
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Creates an activity array for a given item id
|
|
*
|
|
* @param integer $item_id
|
|
* @param boolean $object_mode Is the activity item is used inside another object?
|
|
*
|
|
* @return array of activity
|
|
* @throws \Exception
|
|
*/
|
|
public static function createActivityFromItem($item_id, $object_mode = false)
|
|
{
|
|
$item = Item::selectFirst([], ['id' => $item_id, 'parent-network' => Protocol::NATIVE_SUPPORT]);
|
|
|
|
if (!DBA::isResult($item)) {
|
|
return false;
|
|
}
|
|
|
|
if ($item['wall'] && ($item['uri'] == $item['parent-uri'])) {
|
|
$owner = User::getOwnerDataById($item['uid']);
|
|
if (($owner['account-type'] == User::ACCOUNT_TYPE_COMMUNITY) && ($item['author-link'] != $owner['url'])) {
|
|
$type = 'Announce';
|
|
|
|
// Disguise forum posts as reshares. Will later be converted to a real announce
|
|
$item['body'] = share_header($item['author-name'], $item['author-link'], $item['author-avatar'],
|
|
$item['guid'], $item['created'], $item['plink']) . $item['body'] . '[/share]';
|
|
}
|
|
}
|
|
|
|
if (empty($type)) {
|
|
$condition = ['item-uri' => $item['uri'], 'protocol' => Conversation::PARCEL_ACTIVITYPUB];
|
|
$conversation = DBA::selectFirst('conversation', ['source'], $condition);
|
|
if (DBA::isResult($conversation)) {
|
|
$data = json_decode($conversation['source'], true);
|
|
if (!empty($data)) {
|
|
return $data;
|
|
}
|
|
}
|
|
|
|
$type = self::getTypeOfItem($item);
|
|
}
|
|
|
|
if (!$object_mode) {
|
|
$data = ['@context' => ActivityPub::CONTEXT];
|
|
|
|
if ($item['deleted'] && ($item['gravity'] == GRAVITY_ACTIVITY)) {
|
|
$type = 'Undo';
|
|
} elseif ($item['deleted']) {
|
|
$type = 'Delete';
|
|
}
|
|
} else {
|
|
$data = [];
|
|
}
|
|
|
|
$data['id'] = $item['uri'] . '#' . $type;
|
|
$data['type'] = $type;
|
|
|
|
if (Item::isForumPost($item) && ($type != 'Announce')) {
|
|
$data['actor'] = $item['author-link'];
|
|
} else {
|
|
$data['actor'] = $item['owner-link'];
|
|
}
|
|
|
|
$data['published'] = DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM);
|
|
|
|
$data['instrument'] = self::getService();
|
|
|
|
$data = array_merge($data, self::createPermissionBlockForItem($item, false));
|
|
|
|
if (in_array($data['type'], ['Create', 'Update', 'Delete'])) {
|
|
$data['object'] = self::createNote($item);
|
|
} elseif ($data['type'] == 'Add') {
|
|
$data = self::createAddTag($item, $data);
|
|
} elseif ($data['type'] == 'Announce') {
|
|
$data = self::createAnnounce($item, $data);
|
|
} elseif ($data['type'] == 'Follow') {
|
|
$data['object'] = $item['parent-uri'];
|
|
} elseif ($data['type'] == 'Undo') {
|
|
$data['object'] = self::createActivityFromItem($item_id, true);
|
|
} else {
|
|
$data['diaspora:guid'] = $item['guid'];
|
|
if (!empty($item['signed_text'])) {
|
|
$data['diaspora:like'] = $item['signed_text'];
|
|
}
|
|
$data['object'] = $item['thr-parent'];
|
|
}
|
|
|
|
if (!empty($item['contact-uid'])) {
|
|
$uid = $item['contact-uid'];
|
|
} else {
|
|
$uid = $item['uid'];
|
|
}
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
|
|
if (!$object_mode && !empty($owner)) {
|
|
return LDSignature::sign($data, $owner);
|
|
} else {
|
|
return $data;
|
|
}
|
|
|
|
/// @todo Create "conversation" entry
|
|
}
|
|
|
|
/**
|
|
* Creates a location entry for a given item array
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return array with location array
|
|
*/
|
|
private static function createLocation($item)
|
|
{
|
|
$location = ['type' => 'Place'];
|
|
|
|
if (!empty($item['location'])) {
|
|
$location['name'] = $item['location'];
|
|
}
|
|
|
|
$coord = [];
|
|
|
|
if (empty($item['coord'])) {
|
|
$coord = Map::getCoordinates($item['location']);
|
|
} else {
|
|
$coords = explode(' ', $item['coord']);
|
|
if (count($coords) == 2) {
|
|
$coord = ['lat' => $coords[0], 'lon' => $coords[1]];
|
|
}
|
|
}
|
|
|
|
if (!empty($coord['lat']) && !empty($coord['lon'])) {
|
|
$location['latitude'] = $coord['lat'];
|
|
$location['longitude'] = $coord['lon'];
|
|
}
|
|
|
|
return $location;
|
|
}
|
|
|
|
/**
|
|
* Returns a tag array for a given item array
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return array of tags
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
private static function createTagList($item)
|
|
{
|
|
$tags = [];
|
|
|
|
$terms = Tag::getByURIId($item['uri-id'], [Tag::HASHTAG, Tag::MENTION, Tag::IMPLICIT_MENTION, Tag::EXCLUSIVE_MENTION]);
|
|
foreach ($terms as $term) {
|
|
if ($term['type'] == Tag::HASHTAG) {
|
|
$url = DI::baseUrl() . '/search?tag=' . urlencode($term['name']);
|
|
$tags[] = ['type' => 'Hashtag', 'href' => $url, 'name' => '#' . $term['name']];
|
|
} else {
|
|
$contact = Contact::getDetailsByURL($term['url']);
|
|
if (!empty($contact['addr'])) {
|
|
$mention = '@' . $contact['addr'];
|
|
} else {
|
|
$mention = '@' . $term['url'];
|
|
}
|
|
|
|
$tags[] = ['type' => 'Mention', 'href' => $term['url'], 'name' => $mention];
|
|
}
|
|
}
|
|
|
|
$announce = self::getAnnounceArray($item);
|
|
// Mention the original author upon commented reshares
|
|
if (!empty($announce['comment'])) {
|
|
$tags[] = ['type' => 'Mention', 'href' => $announce['actor']['url'], 'name' => '@' . $announce['actor']['addr']];
|
|
}
|
|
|
|
return $tags;
|
|
}
|
|
|
|
/**
|
|
* Adds attachment data to the JSON document
|
|
*
|
|
* @param array $item Data of the item that is to be posted
|
|
* @param string $type Object type
|
|
*
|
|
* @return array with attachment data
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
private static function createAttachmentList($item, $type)
|
|
{
|
|
$attachments = [];
|
|
|
|
// Currently deactivated, since it creates side effects on Mastodon and Pleroma.
|
|
// It will be reactivated, once this cleared.
|
|
/*
|
|
$attach_data = BBCode::getAttachmentData($item['body']);
|
|
if (!empty($attach_data['url'])) {
|
|
$attachment = ['type' => 'Page',
|
|
'mediaType' => 'text/html',
|
|
'url' => $attach_data['url']];
|
|
|
|
if (!empty($attach_data['title'])) {
|
|
$attachment['name'] = $attach_data['title'];
|
|
}
|
|
|
|
if (!empty($attach_data['description'])) {
|
|
$attachment['summary'] = $attach_data['description'];
|
|
}
|
|
|
|
if (!empty($attach_data['image'])) {
|
|
$imgdata = Images::getInfoFromURLCached($attach_data['image']);
|
|
if ($imgdata) {
|
|
$attachment['icon'] = ['type' => 'Image',
|
|
'mediaType' => $imgdata['mime'],
|
|
'width' => $imgdata[0],
|
|
'height' => $imgdata[1],
|
|
'url' => $attach_data['image']];
|
|
}
|
|
}
|
|
|
|
$attachments[] = $attachment;
|
|
}
|
|
*/
|
|
$arr = explode('[/attach],', $item['attach']);
|
|
if (count($arr)) {
|
|
foreach ($arr as $r) {
|
|
$matches = false;
|
|
$cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|', $r, $matches);
|
|
if ($cnt) {
|
|
$attributes = ['type' => 'Document',
|
|
'mediaType' => $matches[3],
|
|
'url' => $matches[1],
|
|
'name' => null];
|
|
|
|
if (trim($matches[4]) != '') {
|
|
$attributes['name'] = trim($matches[4]);
|
|
}
|
|
|
|
$attachments[] = $attributes;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($type != 'Note') {
|
|
return $attachments;
|
|
}
|
|
|
|
// Simplify image codes
|
|
$body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $item['body']);
|
|
|
|
// Grab all pictures without alternative descriptions and create attachments out of them
|
|
if (preg_match_all("/\[img\]([^\[\]]*)\[\/img\]/Usi", $body, $pictures)) {
|
|
foreach ($pictures[1] as $picture) {
|
|
$imgdata = Images::getInfoFromURLCached($picture);
|
|
if ($imgdata) {
|
|
$attachments[] = ['type' => 'Document',
|
|
'mediaType' => $imgdata['mime'],
|
|
'url' => $picture,
|
|
'name' => null];
|
|
}
|
|
}
|
|
}
|
|
|
|
// Grab all pictures with alternative description and create attachments out of them
|
|
if (preg_match_all("/\[img=([^\[\]]*)\]([^\[\]]*)\[\/img\]/Usi", $body, $pictures, PREG_SET_ORDER)) {
|
|
foreach ($pictures as $picture) {
|
|
$imgdata = Images::getInfoFromURLCached($picture[1]);
|
|
if ($imgdata) {
|
|
$attachments[] = ['type' => 'Document',
|
|
'mediaType' => $imgdata['mime'],
|
|
'url' => $picture[1],
|
|
'name' => $picture[2]];
|
|
}
|
|
}
|
|
}
|
|
|
|
return $attachments;
|
|
}
|
|
|
|
/**
|
|
* Callback function to replace a Friendica style mention in a mention that is used on AP
|
|
*
|
|
* @param array $match Matching values for the callback
|
|
* @return string Replaced mention
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
private static function mentionCallback($match)
|
|
{
|
|
if (empty($match[1])) {
|
|
return '';
|
|
}
|
|
|
|
$data = Contact::getDetailsByURL($match[1]);
|
|
if (empty($data['nick'])) {
|
|
return $match[0];
|
|
}
|
|
|
|
return '@[url=' . $data['url'] . ']' . $data['nick'] . '[/url]';
|
|
}
|
|
|
|
/**
|
|
* Remove image elements since they are added as attachment
|
|
*
|
|
* @param string $body
|
|
*
|
|
* @return string with removed images
|
|
*/
|
|
private static function removePictures($body)
|
|
{
|
|
// Simplify image codes
|
|
$body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
|
|
$body = preg_replace("/\[img\=(.*?)\](.*?)\[\/img\]/ism", '[img]$1[/img]', $body);
|
|
|
|
// Now remove local links
|
|
$body = preg_replace_callback(
|
|
'/\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]/Usi',
|
|
function ($match) {
|
|
// We remove the link when it is a link to a local photo page
|
|
if (Photo::isLocalPage($match[1])) {
|
|
return '';
|
|
}
|
|
// otherwise we just return the link
|
|
return '[url]' . $match[1] . '[/url]';
|
|
},
|
|
$body
|
|
);
|
|
|
|
// Remove all pictures
|
|
$body = preg_replace("/\[img\]([^\[\]]*)\[\/img\]/Usi", '', $body);
|
|
|
|
return $body;
|
|
}
|
|
|
|
/**
|
|
* Fetches the "context" value for a givem item array from the "conversation" table
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return string with context url
|
|
* @throws \Exception
|
|
*/
|
|
private static function fetchContextURLForItem($item)
|
|
{
|
|
$conversation = DBA::selectFirst('conversation', ['conversation-href', 'conversation-uri'], ['item-uri' => $item['parent-uri']]);
|
|
if (DBA::isResult($conversation) && !empty($conversation['conversation-href'])) {
|
|
$context_uri = $conversation['conversation-href'];
|
|
} elseif (DBA::isResult($conversation) && !empty($conversation['conversation-uri'])) {
|
|
$context_uri = $conversation['conversation-uri'];
|
|
} else {
|
|
$context_uri = $item['parent-uri'] . '#context';
|
|
}
|
|
return $context_uri;
|
|
}
|
|
|
|
/**
|
|
* Returns if the post contains sensitive content ("nsfw")
|
|
*
|
|
* @param integer $uri_id
|
|
*
|
|
* @return boolean
|
|
* @throws \Exception
|
|
*/
|
|
private static function isSensitive($uri_id)
|
|
{
|
|
return DBA::exists('tag-view', ['uri-id' => $uri_id, 'name' => 'nsfw']);
|
|
}
|
|
|
|
/**
|
|
* Creates event data
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return array with the event data
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public static function createEvent($item)
|
|
{
|
|
$event = [];
|
|
$event['name'] = $item['event-summary'];
|
|
$event['content'] = BBCode::convert($item['event-desc'], false, 9);
|
|
$event['startTime'] = DateTimeFormat::utc($item['event-start'] . '+00:00', DateTimeFormat::ATOM);
|
|
|
|
if (!$item['event-nofinish']) {
|
|
$event['endTime'] = DateTimeFormat::utc($item['event-finish'] . '+00:00', DateTimeFormat::ATOM);
|
|
}
|
|
|
|
if (!empty($item['event-location'])) {
|
|
$item['location'] = $item['event-location'];
|
|
$event['location'] = self::createLocation($item);
|
|
}
|
|
|
|
return $event;
|
|
}
|
|
|
|
/**
|
|
* Creates a note/article object array
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return array with the object data
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function createNote($item)
|
|
{
|
|
if (empty($item)) {
|
|
return [];
|
|
}
|
|
|
|
if ($item['event-type'] == 'event') {
|
|
$type = 'Event';
|
|
} elseif (!empty($item['title'])) {
|
|
$type = 'Article';
|
|
} else {
|
|
$type = 'Note';
|
|
}
|
|
|
|
if ($item['deleted']) {
|
|
$type = 'Tombstone';
|
|
}
|
|
|
|
$data = [];
|
|
$data['id'] = $item['uri'];
|
|
$data['type'] = $type;
|
|
|
|
if ($item['deleted']) {
|
|
return $data;
|
|
}
|
|
|
|
$data['summary'] = BBCode::toPlaintext(BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB));
|
|
|
|
if ($item['uri'] != $item['thr-parent']) {
|
|
$data['inReplyTo'] = $item['thr-parent'];
|
|
} else {
|
|
$data['inReplyTo'] = null;
|
|
}
|
|
|
|
$data['diaspora:guid'] = $item['guid'];
|
|
$data['published'] = DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM);
|
|
|
|
if ($item['created'] != $item['edited']) {
|
|
$data['updated'] = DateTimeFormat::utc($item['edited'] . '+00:00', DateTimeFormat::ATOM);
|
|
}
|
|
|
|
$data['url'] = $item['plink'];
|
|
$data['attributedTo'] = $item['author-link'];
|
|
$data['sensitive'] = self::isSensitive($item['uri-id']);
|
|
$data['context'] = self::fetchContextURLForItem($item);
|
|
|
|
if (!empty($item['title'])) {
|
|
$data['name'] = BBCode::toPlaintext($item['title'], false);
|
|
}
|
|
|
|
$permission_block = self::createPermissionBlockForItem($item, false);
|
|
|
|
$body = $item['body'];
|
|
|
|
if (empty($item['uid']) || !Feature::isEnabled($item['uid'], 'explicit_mentions')) {
|
|
$body = self::prependMentions($body, $permission_block);
|
|
}
|
|
|
|
if ($type == 'Note') {
|
|
$body = self::removePictures($body);
|
|
} elseif (($type == 'Article') && empty($data['summary'])) {
|
|
$data['summary'] = BBCode::toPlaintext(Plaintext::shorten(self::removePictures($body), 1000));
|
|
}
|
|
|
|
if ($type == 'Event') {
|
|
$data = array_merge($data, self::createEvent($item));
|
|
} else {
|
|
$regexp = "/[@!]\[url\=([^\[\]]*)\].*?\[\/url\]/ism";
|
|
$body = preg_replace_callback($regexp, ['self', 'mentionCallback'], $body);
|
|
|
|
$data['content'] = BBCode::convert($body, false, 9);
|
|
}
|
|
|
|
// The regular "content" field does contain a minimized HTML. This is done since systems like
|
|
// Mastodon has got problems with - for example - embedded pictures.
|
|
// The contentMap does contain the unmodified HTML.
|
|
$language = self::getLanguage($item);
|
|
if (!empty($language)) {
|
|
$regexp = "/[@!]\[url\=([^\[\]]*)\].*?\[\/url\]/ism";
|
|
$richbody = preg_replace_callback($regexp, ['self', 'mentionCallback'], $item['body']);
|
|
$richbody = BBCode::removeAttachment($richbody);
|
|
|
|
$data['contentMap'][$language] = BBCode::convert($richbody, false);
|
|
}
|
|
|
|
$data['source'] = ['content' => $item['body'], 'mediaType' => "text/bbcode"];
|
|
|
|
if (!empty($item['signed_text']) && ($item['uri'] != $item['thr-parent'])) {
|
|
$data['diaspora:comment'] = $item['signed_text'];
|
|
}
|
|
|
|
$data['attachment'] = self::createAttachmentList($item, $type);
|
|
$data['tag'] = self::createTagList($item);
|
|
|
|
if (empty($data['location']) && (!empty($item['coord']) || !empty($item['location']))) {
|
|
$data['location'] = self::createLocation($item);
|
|
}
|
|
|
|
if (!empty($item['app'])) {
|
|
$data['generator'] = ['type' => 'Application', 'name' => $item['app']];
|
|
}
|
|
|
|
$data = array_merge($data, $permission_block);
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Fetches the language from the post, the user or the system.
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return string language string
|
|
*/
|
|
private static function getLanguage(array $item)
|
|
{
|
|
// Try to fetch the language from the post itself
|
|
if (!empty($item['language'])) {
|
|
$languages = array_keys(json_decode($item['language'], true));
|
|
if (!empty($languages[0])) {
|
|
return $languages[0];
|
|
}
|
|
}
|
|
|
|
// Otherwise use the user's language
|
|
if (!empty($item['uid'])) {
|
|
$user = DBA::selectFirst('user', ['language'], ['uid' => $item['uid']]);
|
|
if (!empty($user['language'])) {
|
|
return $user['language'];
|
|
}
|
|
}
|
|
|
|
// And finally just use the system language
|
|
return DI::config()->get('system', 'language');
|
|
}
|
|
|
|
/**
|
|
* Creates an an "add tag" entry
|
|
*
|
|
* @param array $item
|
|
* @param array $data activity data
|
|
*
|
|
* @return array with activity data for adding tags
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function createAddTag($item, $data)
|
|
{
|
|
$object = XML::parseString($item['object']);
|
|
$target = XML::parseString($item["target"]);
|
|
|
|
$data['diaspora:guid'] = $item['guid'];
|
|
$data['actor'] = $item['author-link'];
|
|
$data['target'] = (string)$target->id;
|
|
$data['summary'] = BBCode::toPlaintext($item['body']);
|
|
$data['object'] = ['id' => (string)$object->id, 'type' => 'tag', 'name' => (string)$object->title, 'content' => (string)$object->content];
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Creates an announce object entry
|
|
*
|
|
* @param array $item
|
|
* @param array $data activity data
|
|
*
|
|
* @return array with activity data
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function createAnnounce($item, $data)
|
|
{
|
|
$orig_body = $item['body'];
|
|
$announce = self::getAnnounceArray($item);
|
|
if (empty($announce)) {
|
|
$data['type'] = 'Create';
|
|
$data['object'] = self::createNote($item);
|
|
return $data;
|
|
}
|
|
|
|
if (empty($announce['comment'])) {
|
|
// Pure announce, without a quote
|
|
$data['type'] = 'Announce';
|
|
$data['object'] = $announce['object']['uri'];
|
|
return $data;
|
|
}
|
|
|
|
// Quote
|
|
$data['type'] = 'Create';
|
|
$item['body'] = $announce['comment'] . "\n" . $announce['object']['plink'];
|
|
$data['object'] = self::createNote($item);
|
|
|
|
/// @todo Finally descide how to implement this in AP. This is a possible way:
|
|
$data['object']['attachment'][] = self::createNote($announce['object']);
|
|
|
|
$data['object']['source']['content'] = $orig_body;
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Return announce related data if the item is an annunce
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return array
|
|
*/
|
|
public static function getAnnounceArray($item)
|
|
{
|
|
$reshared = Item::getShareArray($item);
|
|
if (empty($reshared['guid'])) {
|
|
return [];
|
|
}
|
|
|
|
$reshared_item = Item::selectFirst([], ['guid' => $reshared['guid']]);
|
|
if (!DBA::isResult($reshared_item)) {
|
|
return [];
|
|
}
|
|
|
|
if (!in_array($reshared_item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
|
|
return [];
|
|
}
|
|
|
|
$profile = APContact::getByURL($reshared_item['author-link'], false);
|
|
if (empty($profile)) {
|
|
return [];
|
|
}
|
|
|
|
return ['object' => $reshared_item, 'actor' => $profile, 'comment' => $reshared['comment']];
|
|
}
|
|
|
|
/**
|
|
* Checks if the provided item array is an announce
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public static function isAnnounce($item)
|
|
{
|
|
$announce = self::getAnnounceArray($item);
|
|
if (empty($announce)) {
|
|
return false;
|
|
}
|
|
|
|
return empty($announce['comment']);
|
|
}
|
|
|
|
/**
|
|
* Creates an activity id for a given contact id
|
|
*
|
|
* @param integer $cid Contact ID of target
|
|
*
|
|
* @return bool|string activity id
|
|
*/
|
|
public static function activityIDFromContact($cid)
|
|
{
|
|
$contact = DBA::selectFirst('contact', ['uid', 'id', 'created'], ['id' => $cid]);
|
|
if (!DBA::isResult($contact)) {
|
|
return false;
|
|
}
|
|
|
|
$hash = hash('ripemd128', $contact['uid'].'-'.$contact['id'].'-'.$contact['created']);
|
|
$uuid = substr($hash, 0, 8). '-' . substr($hash, 8, 4) . '-' . substr($hash, 12, 4) . '-' . substr($hash, 16, 4) . '-' . substr($hash, 20, 12);
|
|
return DI::baseUrl() . '/activity/' . $uuid;
|
|
}
|
|
|
|
/**
|
|
* Transmits a contact suggestion to a given inbox
|
|
*
|
|
* @param integer $uid User ID
|
|
* @param string $inbox Target inbox
|
|
* @param integer $suggestion_id Suggestion ID
|
|
*
|
|
* @return boolean was the transmission successful?
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public static function sendContactSuggestion($uid, $inbox, $suggestion_id)
|
|
{
|
|
$owner = User::getOwnerDataById($uid);
|
|
|
|
$suggestion = DI::fsuggest()->getById($suggestion_id);
|
|
|
|
$data = ['@context' => ActivityPub::CONTEXT,
|
|
'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => 'Announce',
|
|
'actor' => $owner['url'],
|
|
'object' => $suggestion->url,
|
|
'content' => $suggestion->note,
|
|
'instrument' => self::getService(),
|
|
'to' => [ActivityPub::PUBLIC_COLLECTION],
|
|
'cc' => []];
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
|
|
Logger::log('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG);
|
|
return HTTPSignature::transmit($signed, $inbox, $uid);
|
|
}
|
|
|
|
/**
|
|
* Transmits a profile relocation to a given inbox
|
|
*
|
|
* @param integer $uid User ID
|
|
* @param string $inbox Target inbox
|
|
*
|
|
* @return boolean was the transmission successful?
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public static function sendProfileRelocation($uid, $inbox)
|
|
{
|
|
$owner = User::getOwnerDataById($uid);
|
|
|
|
$data = ['@context' => ActivityPub::CONTEXT,
|
|
'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => 'dfrn:relocate',
|
|
'actor' => $owner['url'],
|
|
'object' => $owner['url'],
|
|
'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
|
|
'instrument' => self::getService(),
|
|
'to' => [ActivityPub::PUBLIC_COLLECTION],
|
|
'cc' => []];
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
|
|
Logger::log('Deliver profile relocation for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG);
|
|
return HTTPSignature::transmit($signed, $inbox, $uid);
|
|
}
|
|
|
|
/**
|
|
* Transmits a profile deletion to a given inbox
|
|
*
|
|
* @param integer $uid User ID
|
|
* @param string $inbox Target inbox
|
|
*
|
|
* @return boolean was the transmission successful?
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public static function sendProfileDeletion($uid, $inbox)
|
|
{
|
|
$owner = User::getOwnerDataById($uid);
|
|
|
|
if (empty($owner)) {
|
|
Logger::error('No owner data found, the deletion message cannot be processed.', ['user' => $uid]);
|
|
return false;
|
|
}
|
|
|
|
if (empty($owner['uprvkey'])) {
|
|
Logger::error('No private key for owner found, the deletion message cannot be processed.', ['user' => $uid]);
|
|
return false;
|
|
}
|
|
|
|
$data = ['@context' => ActivityPub::CONTEXT,
|
|
'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => 'Delete',
|
|
'actor' => $owner['url'],
|
|
'object' => $owner['url'],
|
|
'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
|
|
'instrument' => self::getService(),
|
|
'to' => [ActivityPub::PUBLIC_COLLECTION],
|
|
'cc' => []];
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
|
|
Logger::log('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG);
|
|
return HTTPSignature::transmit($signed, $inbox, $uid);
|
|
}
|
|
|
|
/**
|
|
* Transmits a profile change to a given inbox
|
|
*
|
|
* @param integer $uid User ID
|
|
* @param string $inbox Target inbox
|
|
*
|
|
* @return boolean was the transmission successful?
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function sendProfileUpdate($uid, $inbox)
|
|
{
|
|
$owner = User::getOwnerDataById($uid);
|
|
$profile = APContact::getByURL($owner['url']);
|
|
|
|
$data = ['@context' => ActivityPub::CONTEXT,
|
|
'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => 'Update',
|
|
'actor' => $owner['url'],
|
|
'object' => self::getProfile($uid),
|
|
'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
|
|
'instrument' => self::getService(),
|
|
'to' => [$profile['followers']],
|
|
'cc' => []];
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
|
|
Logger::log('Deliver profile update for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', Logger::DEBUG);
|
|
return HTTPSignature::transmit($signed, $inbox, $uid);
|
|
}
|
|
|
|
/**
|
|
* Transmits a given activity to a target
|
|
*
|
|
* @param string $activity Type name
|
|
* @param string $target Target profile
|
|
* @param integer $uid User ID
|
|
* @return bool
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
* @throws \Exception
|
|
*/
|
|
public static function sendActivity($activity, $target, $uid, $id = '')
|
|
{
|
|
$profile = APContact::getByURL($target);
|
|
if (empty($profile['inbox'])) {
|
|
Logger::warning('No inbox found for target', ['target' => $target, 'profile' => $profile]);
|
|
return;
|
|
}
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
|
|
if (empty($id)) {
|
|
$id = DI::baseUrl() . '/activity/' . System::createGUID();
|
|
}
|
|
|
|
$data = ['@context' => ActivityPub::CONTEXT,
|
|
'id' => $id,
|
|
'type' => $activity,
|
|
'actor' => $owner['url'],
|
|
'object' => $profile['url'],
|
|
'instrument' => self::getService(),
|
|
'to' => [$profile['url']]];
|
|
|
|
Logger::log('Sending activity ' . $activity . ' to ' . $target . ' for user ' . $uid, Logger::DEBUG);
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
return HTTPSignature::transmit($signed, $profile['inbox'], $uid);
|
|
}
|
|
|
|
/**
|
|
* Transmits a "follow object" activity to a target
|
|
* This is a preparation for sending automated "follow" requests when receiving "Announce" messages
|
|
*
|
|
* @param string $object Object URL
|
|
* @param string $target Target profile
|
|
* @param integer $uid User ID
|
|
* @return bool
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
* @throws \Exception
|
|
*/
|
|
public static function sendFollowObject($object, $target, $uid = 0)
|
|
{
|
|
$profile = APContact::getByURL($target);
|
|
if (empty($profile['inbox'])) {
|
|
Logger::warning('No inbox found for target', ['target' => $target, 'profile' => $profile]);
|
|
return;
|
|
}
|
|
|
|
if (empty($uid)) {
|
|
// Fetch the list of administrators
|
|
$admin_mail = explode(',', str_replace(' ', '', DI::config()->get('config', 'admin_email')));
|
|
|
|
// We need to use some user as a sender. It doesn't care who it will send. We will use an administrator account.
|
|
$condition = ['verified' => true, 'blocked' => false, 'account_removed' => false, 'account_expired' => false, 'email' => $admin_mail];
|
|
$first_user = DBA::selectFirst('user', ['uid'], $condition);
|
|
$uid = $first_user['uid'];
|
|
}
|
|
|
|
$condition = ['verb' => Activity::FOLLOW, 'uid' => 0, 'parent-uri' => $object,
|
|
'author-id' => Contact::getPublicIdByUserId($uid)];
|
|
if (Item::exists($condition)) {
|
|
Logger::log('Follow for ' . $object . ' for user ' . $uid . ' does already exist.', Logger::DEBUG);
|
|
return false;
|
|
}
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
|
|
$data = ['@context' => ActivityPub::CONTEXT,
|
|
'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => 'Follow',
|
|
'actor' => $owner['url'],
|
|
'object' => $object,
|
|
'instrument' => self::getService(),
|
|
'to' => [$profile['url']]];
|
|
|
|
Logger::log('Sending follow ' . $object . ' to ' . $target . ' for user ' . $uid, Logger::DEBUG);
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
return HTTPSignature::transmit($signed, $profile['inbox'], $uid);
|
|
}
|
|
|
|
/**
|
|
* Transmit a message that the contact request had been accepted
|
|
*
|
|
* @param string $target Target profile
|
|
* @param $id
|
|
* @param integer $uid User ID
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function sendContactAccept($target, $id, $uid)
|
|
{
|
|
$profile = APContact::getByURL($target);
|
|
if (empty($profile['inbox'])) {
|
|
Logger::warning('No inbox found for target', ['target' => $target, 'profile' => $profile]);
|
|
return;
|
|
}
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
$data = ['@context' => ActivityPub::CONTEXT,
|
|
'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => 'Accept',
|
|
'actor' => $owner['url'],
|
|
'object' => [
|
|
'id' => (string)$id,
|
|
'type' => 'Follow',
|
|
'actor' => $profile['url'],
|
|
'object' => $owner['url']
|
|
],
|
|
'instrument' => self::getService(),
|
|
'to' => [$profile['url']]];
|
|
|
|
Logger::debug('Sending accept to ' . $target . ' for user ' . $uid . ' with id ' . $id);
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
HTTPSignature::transmit($signed, $profile['inbox'], $uid);
|
|
}
|
|
|
|
/**
|
|
* Reject a contact request or terminates the contact relation
|
|
*
|
|
* @param string $target Target profile
|
|
* @param $id
|
|
* @param integer $uid User ID
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function sendContactReject($target, $id, $uid)
|
|
{
|
|
$profile = APContact::getByURL($target);
|
|
if (empty($profile['inbox'])) {
|
|
Logger::warning('No inbox found for target', ['target' => $target, 'profile' => $profile]);
|
|
return;
|
|
}
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
$data = ['@context' => ActivityPub::CONTEXT,
|
|
'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => 'Reject',
|
|
'actor' => $owner['url'],
|
|
'object' => [
|
|
'id' => (string)$id,
|
|
'type' => 'Follow',
|
|
'actor' => $profile['url'],
|
|
'object' => $owner['url']
|
|
],
|
|
'instrument' => self::getService(),
|
|
'to' => [$profile['url']]];
|
|
|
|
Logger::debug('Sending reject to ' . $target . ' for user ' . $uid . ' with id ' . $id);
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
HTTPSignature::transmit($signed, $profile['inbox'], $uid);
|
|
}
|
|
|
|
/**
|
|
* Transmits a message that we don't want to follow this contact anymore
|
|
*
|
|
* @param string $target Target profile
|
|
* @param integer $uid User ID
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
* @throws \Exception
|
|
*/
|
|
public static function sendContactUndo($target, $cid, $uid)
|
|
{
|
|
$profile = APContact::getByURL($target);
|
|
if (empty($profile['inbox'])) {
|
|
Logger::warning('No inbox found for target', ['target' => $target, 'profile' => $profile]);
|
|
return;
|
|
}
|
|
|
|
$object_id = self::activityIDFromContact($cid);
|
|
if (empty($object_id)) {
|
|
return;
|
|
}
|
|
|
|
$id = DI::baseUrl() . '/activity/' . System::createGUID();
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
$data = ['@context' => ActivityPub::CONTEXT,
|
|
'id' => $id,
|
|
'type' => 'Undo',
|
|
'actor' => $owner['url'],
|
|
'object' => ['id' => $object_id, 'type' => 'Follow',
|
|
'actor' => $owner['url'],
|
|
'object' => $profile['url']],
|
|
'instrument' => self::getService(),
|
|
'to' => [$profile['url']]];
|
|
|
|
Logger::log('Sending undo to ' . $target . ' for user ' . $uid . ' with id ' . $id, Logger::DEBUG);
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
HTTPSignature::transmit($signed, $profile['inbox'], $uid);
|
|
}
|
|
|
|
private static function prependMentions($body, array $permission_block)
|
|
{
|
|
if (DI::config()->get('system', 'disable_implicit_mentions')) {
|
|
return $body;
|
|
}
|
|
|
|
$mentions = [];
|
|
|
|
foreach ($permission_block['to'] as $profile_url) {
|
|
$profile = Contact::getDetailsByURL($profile_url);
|
|
if (!empty($profile['addr'])
|
|
&& $profile['contact-type'] != Contact::TYPE_COMMUNITY
|
|
&& !strstr($body, $profile['addr'])
|
|
&& !strstr($body, $profile_url)
|
|
) {
|
|
$mentions[] = '@[url=' . $profile_url . ']' . $profile['nick'] . '[/url]';
|
|
}
|
|
}
|
|
|
|
$mentions[] = $body;
|
|
|
|
return implode(' ', $mentions);
|
|
}
|
|
}
|