src/Protocol/ActivityPub/Queue.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Protocol\ActivityPub;
  23
  24 use Friendica\Core\Logger;
  25 use Friendica\Database\Database;
  26 use Friendica\Database\DBA;
  27 use Friendica\Util\DateTimeFormat;
  28
  29 /**
  30  * This class handles the processing of incoming posts
  31  */
  32 class Queue
  33 {
  34         /**
  35          * Add activity to the queue
  36          *
  37          * @param array $activity
  38          * @param string $type
  39          * @param integer $uid
  40          * @param string $http_signer
  41          * @param boolean $push
  42          * @return array
  43          */
  44         public static function add(array $activity, string $type, int $uid, string $http_signer, bool $push): array
  45         {
  46                 $fields = [
  47                         'activity-id' => $activity['id'],
  48                         'object-id'   => $activity['object_id'],
  49                         'type'        => $type,
  50                         'object-type' => $activity['object_type'],
  51                         'activity'    => json_encode($activity, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT),
  52                         'received'    => DateTimeFormat::utcNow(),
  53                         'push'        => $push,
  54                 ];
  55
  56                 if (!empty($activity['reply-to-id'])) {
  57                         $fields['in-reply-to-id'] = $activity['reply-to-id'];
  58                 }
  59
  60                 if (!empty($activity['object_object_type'])) {
  61                         $fields['object-object-type'] = $activity['object_object_type'];
  62                 }
  63
  64                 if (!empty($http_signer)) {
  65                         $fields['signer'] = $http_signer;
  66                 }
  67
  68                 DBA::insert('inbox-entry', $fields, Database::INSERT_IGNORE);
  69
  70                 $queue = DBA::selectFirst('inbox-entry', ['id'], ['activity-id' => $activity['id']]);
  71                 if (!empty($queue['id'])) {
  72                         $activity['entry-id'] = $queue['id'];
  73                         DBA::insert('inbox-entry-receiver', ['queue-id' => $queue['id'], 'uid' => $uid], Database::INSERT_IGNORE);
  74                 }
  75                 return $activity;
  76         }
  77
  78         /**
  79          * Remove activity from the queue
  80          *
  81          * @param array $activity
  82          * @return void
  83          */
  84         public static function remove(array $activity = [])
  85         {
  86                 if (empty($activity['entry-id'])) {
  87                         return;
  88                 }
  89                 DBA::delete('inbox-entry', ['id' => $activity['entry-id']]);
  90         }
  91
  92         /**
  93          * Process the activity with the given id
  94          *
  95          * @param integer $id
  96          * @return void
  97          */
  98         public static function process(int $id)
  99         {
 100                 $entry = DBA::selectFirst('inbox-entry', [], ['id' => $id]);
 101                 if (empty($entry)) {
 102                         return;
 103                 }
 104
 105                 Logger::debug('Processing queue entry', ['id' => $entry['id'], 'type' => $entry['type'], 'object-type' => $entry['object-type'], 'uri' => $entry['object-id'], 'in-reply-to' => $entry['in-reply-to-id']]);
 106
 107                 $activity = json_decode($entry['activity'], true);
 108                 $type     = $entry['type'];
 109                 $push     = $entry['push'];
 110
 111                 $activity['entry-id'] = $entry['id'];
 112
 113                 if (!Receiver::routeActivities($activity, $type, $push)) {
 114                         self::remove($activity);
 115                 }
 116         }
 117
 118         /**
 119          * Process all activities
 120          *
 121          * @return void
 122          */
 123         public static function processAll()
 124         {
 125                 $entries = DBA::select('inbox-entry', ['id', 'type', 'object-type'], [], ['order' => ['id' => true]]);
 126                 while ($entry = DBA::fetch($entries)) {
 127                         self::process($entry['id']);
 128                 }
 129         }
 130
 131         /**
 132          * Process all activities
 133          *
 134          * @return void
 135          */
 136         public static function clear()
 137         {
 138                 DBA::delete('inbox-entry', ["`received` < ?", DateTimeFormat::utc('now - 2 days')]);
 139         }
 140
 141         /**
 142          * Process all activities that are children of a given post url
 143          *
 144          * @param string $uri
 145          * @return void
 146          */
 147         public static function processReplyByUri(string $uri)
 148         {
 149                 $entries = DBA::select('inbox-entry', ['id'], ['in-reply-to-id' => $uri], ['order' => ['id' => true]]);
 150                 while ($entry = DBA::fetch($entries)) {
 151                         self::process($entry['id']);
 152                 }
 153         }
 154 }