src/Worker/APDelivery.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\Worker;
  23
  24 use Friendica\Core\Logger;
  25 use Friendica\Core\Worker;
  26 use Friendica\DI;
  27 use Friendica\Model\Contact;
  28 use Friendica\Model\GServer;
  29 use Friendica\Model\Post;
  30 use Friendica\Protocol\ActivityPub;
  31 use Friendica\Util\HTTPSignature;
  32
  33 class APDelivery
  34 {
  35         /**
  36          * Delivers ActivityPub messages
  37          *
  38          * @param string  $cmd       One of the Worker\Delivery constant values
  39          * @param integer $item_id   0 if no item is involved (like Delivery::REMOVAL and Delivery::PROFILEUPDATE)
  40          * @param string  $inbox     The URL of the recipient profile
  41          * @param integer $uid       The ID of the user who triggered this delivery
  42          * @param array   $receivers The contact IDs related to the inbox URL for contact archival housekeeping
  43          * @param int     $uri_id    URI-ID of item to be transmitted
  44          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  45          * @throws \ImagickException
  46          */
  47         public static function execute(string $cmd, int $item_id, string $inbox, int $uid, array $receivers = [], int $uri_id = 0)
  48         {
  49                 if (ActivityPub\Transmitter::archivedInbox($inbox)) {
  50                         Logger::info('Inbox is archived', ['cmd' => $cmd, 'inbox' => $inbox, 'id' => $item_id, 'uri-id' => $uri_id, 'uid' => $uid]);
  51                         if (empty($uri_id) && !empty($item_id)) {
  52                                 $item = Post::selectFirst(['uri-id'], ['id' => $item_id]);
  53                                 $uri_id = $item['uri-id'] ?? 0;
  54                         }
  55                         if (empty($uri_id)) {
  56                                 $posts   = Post\Delivery::selectForInbox($inbox);
  57                                 $uri_ids = array_column($posts, 'uri-id');
  58                         } else {
  59                                 $uri_ids = [$uri_id];
  60                         }
  61
  62                         foreach ($uri_ids as $uri_id) {
  63                                 Post\Delivery::remove($uri_id, $inbox);
  64                                 Post\DeliveryData::incrementQueueFailed($uri_id);
  65                         }
  66                         return;
  67                 }
  68
  69                 Logger::debug('Invoked', ['cmd' => $cmd, 'inbox' => $inbox, 'id' => $item_id, 'uri-id' => $uri_id, 'uid' => $uid]);
  70
  71                 if (empty($uri_id)) {
  72                         $result  = self::deliver($inbox);
  73                         $success = $result['success'];
  74                         $uri_ids = $result['uri_ids'];
  75                 } else {
  76                         $result  = self::deliverToInbox($cmd, $item_id, $inbox, $uid, $receivers, $uri_id);
  77                         $success = $result['success'];
  78                         $uri_ids = [$uri_id];
  79                 }
  80
  81                 if (!$success && !Worker::defer() && !empty($uri_ids)) {
  82                         foreach ($uri_ids as $uri_id) {
  83                                 Post\Delivery::remove($uri_id, $inbox);
  84                                 Post\DeliveryData::incrementQueueFailed($uri_id);
  85                         }
  86                 }
  87         }
  88
  89         private static function deliver(string $inbox):array
  90         {
  91                 $uri_ids    = [];
  92                 $posts      = Post\Delivery::selectForInbox($inbox);
  93                 $serverfail = false;
  94
  95                 foreach ($posts as $post) {
  96                         if (!$serverfail) {
  97                                 $result = self::deliverToInbox($post['command'], 0, $inbox, $post['uid'], $post['receivers'], $post['uri-id']);
  98
  99                                 if ($result['serverfailure']) {
 100                                         // In a timeout situation we assume that every delivery to that inbox will time out.
 101                                         // So we set the flag and try all deliveries at a later time.
 102                                         Logger::info('Inbox delivery has a server failure', ['inbox' => $inbox]);
 103                                         $serverfail = true;
 104                                 }
 105                         }
 106
 107                         if ($serverfail || !$result['success']) {
 108                                 $uri_ids[] = $post['uri-id'];
 109                         }
 110                 }
 111
 112                 Logger::debug('Inbox delivery done', ['inbox' => $inbox, 'posts' => count($posts), 'failed' => count($uri_ids), 'serverfailure' => $serverfail]);
 113                 return ['success' => empty($uri_ids), 'uri_ids' => $uri_ids];
 114         }
 115
 116         private static function deliverToInbox(string $cmd, int $item_id, string $inbox, int $uid, array $receivers, int $uri_id): array
 117         {
 118                 if (empty($item_id) && !empty($uri_id) && !empty($uid)) {
 119                         $item = Post::selectFirst(['id', 'parent', 'origin'], ['uri-id' => $uri_id, 'uid' => [$uid, 0]], ['order' => ['uid' => true]]);
 120                         if (empty($item['id'])) {
 121                                 Logger::notice('Item not found, removing delivery', ['uri-id' => $uri_id, 'uid' => $uid, 'cmd' => $cmd, 'inbox' => $inbox]);
 122                                 Post\Delivery::remove($uri_id, $inbox);
 123                                 return true;
 124                         } else {
 125                                 $item_id = $item['id'];
 126                         }
 127                 }
 128
 129                 $success    = true;
 130                 $serverfail = false;
 131
 132                 if ($cmd == Delivery::MAIL) {
 133                         $data = ActivityPub\Transmitter::createActivityFromMail($item_id);
 134                         if (!empty($data)) {
 135                                 $success = HTTPSignature::transmit($data, $inbox, $uid);
 136                         }
 137                 } elseif ($cmd == Delivery::SUGGESTION) {
 138                         $success = ActivityPub\Transmitter::sendContactSuggestion($uid, $inbox, $item_id);
 139                 } elseif ($cmd == Delivery::RELOCATION) {
 140                         // @todo Implementation pending
 141                 } elseif ($cmd == Delivery::POKE) {
 142                         // Implementation not planned
 143                 } elseif ($cmd == Delivery::REMOVAL) {
 144                         $success = ActivityPub\Transmitter::sendProfileDeletion($uid, $inbox);
 145                 } elseif ($cmd == Delivery::PROFILEUPDATE) {
 146                         $success = ActivityPub\Transmitter::sendProfileUpdate($uid, $inbox);
 147                 } else {
 148                         $data = ActivityPub\Transmitter::createCachedActivityFromItem($item_id);
 149                         if (!empty($data)) {
 150                                 $timestamp  = microtime(true);
 151                                 $response   = HTTPSignature::post($data, $inbox, $uid);
 152                                 $runtime    = microtime(true) - $timestamp;
 153                                 $success    = $response->isSuccess();
 154                                 $serverfail = $response->isTimeout();
 155                                 if (!$success) {
 156                                         if (!$serverfail && ($response->getReturnCode() >= 500) && ($response->getReturnCode() <= 599)) {
 157                                                 $serverfail = true;
 158                                         }
 159
 160                                         $xrd_timeout = DI::config()->get('system', 'xrd_timeout');
 161                                         if (!$serverfail && $xrd_timeout && ($runtime > $xrd_timeout)) {
 162                                                 $serverfail = true;
 163                                         }
 164                                         $curl_timeout = DI::config()->get('system', 'curl_timeout');
 165                                         if (!$serverfail && $curl_timeout && ($runtime > $curl_timeout)) {
 166                                                 $serverfail = true;
 167                                         }
 168
 169                                         Logger::info('Delivery failed', ['retcode' => $response->getReturnCode(), 'serverfailure' => $serverfail, 'runtime' => round($runtime, 3), 'uri-id' => $uri_id, 'uid' => $uid, 'item_id' => $item_id, 'cmd' => $cmd, 'inbox' => $inbox]);
 170                                 }
 171                                 if ($uri_id) {
 172                                         if ($success) {
 173                                                 Post\Delivery::remove($uri_id, $inbox);
 174                                         } else {
 175                                                 Post\Delivery::incrementFailed($uri_id, $inbox);
 176                                         }
 177                                 }
 178                         }
 179                 }
 180
 181                 self::setSuccess($receivers, $success);
 182
 183                 Logger::debug('Delivered', ['uri-id' => $uri_id, 'uid' => $uid, 'item_id' => $item_id, 'cmd' => $cmd, 'inbox' => $inbox, 'success' => $success]);
 184
 185                 if ($success && in_array($cmd, [Delivery::POST])) {
 186                         Post\DeliveryData::incrementQueueDone($uri_id, Post\DeliveryData::ACTIVITYPUB);
 187                 }
 188
 189                 return ['success' => $success, 'serverfailure' => $serverfail];
 190         }
 191
 192         private static function setSuccess(array $receivers, bool $success)
 193         {
 194                 $gsid = null;
 195
 196                 foreach ($receivers as $receiver) {
 197                         $contact = Contact::getById($receiver);
 198                         if (empty($contact)) {
 199                                 continue;
 200                         }
 201
 202                         $gsid = $gsid ?: $contact['gsid'];
 203
 204                         if ($success) {
 205                                 Contact::unmarkForArchival($contact);
 206                         } else {
 207                                 Contact::markForArchival($contact);
 208                         }
 209                 }
 210
 211                 if (!empty($gsid)) {
 212                         GServer::setProtocol($gsid, Post\DeliveryData::ACTIVITYPUB);
 213                 }
 214         }
 215 }