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\Model\Contact;
  27 use Friendica\Model\GServer;
  28 use Friendica\Model\Item;
  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, 'uid' => $uid]);
  51                         if (in_array($cmd, [Delivery::POST])) {
  52                                 $item = Post::selectFirst(['uri-id'], ['id' => $item_id]);
  53                                 Post\DeliveryData::incrementQueueFailed($item['uri-id'] ?? 0);
  54                         }
  55                         return;
  56                 }
  57
  58                 Logger::info('Invoked', ['cmd' => $cmd, 'inbox' => $inbox, 'id' => $item_id, 'uri-id' => $uri_id, 'uid' => $uid]);
  59
  60                 if (empty($uri_id)) {
  61                         $result = self::deliver($inbox);
  62                         $success = $result['success'];
  63                         $uri_ids = $result['uri_ids'];
  64                 } else {
  65                         $success = self::deliverToInbox($cmd, $item_id, $inbox, $uid, $receivers, $uri_id);
  66                         $uri_ids = [$uri_id];
  67                 }
  68
  69                 if (!$success && !Worker::defer() && in_array($cmd, [Delivery::POST])) {
  70                         foreach ($uri_ids as $uri_id) {
  71                                 Post\Delivery::remove($uri_id, $inbox);
  72                                 Post\DeliveryData::incrementQueueFailed($uri_id);
  73                         }
  74                 }
  75         }
  76
  77         private static function deliver(string $inbox)
  78         {
  79                 Post\Delivery::removeFailed($inbox);
  80
  81                 $uri_ids = [];
  82                 $posts   = Post\Delivery::selectForInbox($inbox);
  83
  84                 foreach ($posts as $post) {
  85                         if (!self::deliverToInbox($post['command'], 0, $inbox, $post['uid'], [], $post['uri-id'])) {
  86                                 $uri_ids[] = $post['uri-id'];
  87                         }
  88                 }
  89
  90                 return ['success' => empty($uri_ids), 'uri_ids' => $uri_ids];
  91         }
  92
  93         private static function deliverToInbox(string $cmd, int $item_id, string $inbox, int $uid, array $receivers, int $uri_id)
  94         {
  95                 if (empty($item_id) && !empty($uri_id) && !empty($uid)) {
  96                         $item = Post::selectFirst(['id', 'parent', 'origin'], ['uri-id' => $uri_id, 'uid' => $uid]);
  97                         $item_id = $item['id'] ?? 0;
  98                         if (empty($receivers) && !empty($item)) {
  99                                 $parent = Post::selectFirst(Item::DELIVER_FIELDLIST, ['id' => $item['parent']]);
 100
 101                                 $inboxes = ActivityPub\Transmitter::fetchTargetInboxes($parent, $uid);
 102                                 $receivers = $inboxes[$inbox] ?? [];
 103
 104                                 // When we haven't fetched the receiver list, it can be a personal inbox
 105                                 if (empty($receivers)) {
 106                                         $inboxes = ActivityPub\Transmitter::fetchTargetInboxes($parent, $uid, true);
 107                                         $receivers = $inboxes[$inbox] ?? [];
 108                                 }
 109                         }
 110                 }
 111
 112                 $success = true;
 113
 114                 if ($cmd == Delivery::MAIL) {
 115                         $data = ActivityPub\Transmitter::createActivityFromMail($item_id);
 116                         if (!empty($data)) {
 117                                 $success = HTTPSignature::transmit($data, $inbox, $uid);
 118                         }
 119                 } elseif ($cmd == Delivery::SUGGESTION) {
 120                         $success = ActivityPub\Transmitter::sendContactSuggestion($uid, $inbox, $item_id);
 121                 } elseif ($cmd == Delivery::RELOCATION) {
 122                         // @todo Implementation pending
 123                 } elseif ($cmd == Delivery::POKE) {
 124                         // Implementation not planned
 125                 } elseif ($cmd == Delivery::REMOVAL) {
 126                         $success = ActivityPub\Transmitter::sendProfileDeletion($uid, $inbox);
 127                 } elseif ($cmd == Delivery::PROFILEUPDATE) {
 128                         $success = ActivityPub\Transmitter::sendProfileUpdate($uid, $inbox);
 129                 } else {
 130                         $data = ActivityPub\Transmitter::createCachedActivityFromItem($item_id);
 131                         if (!empty($data)) {
 132                                 $success = HTTPSignature::transmit($data, $inbox, $uid);
 133                                 if ($uri_id) {
 134                                         if ($success) {
 135                                                 Post\Delivery::remove($uri_id, $inbox);
 136                                         } else {
 137                                                 Post\Delivery::incrementFailed($uri_id, $inbox);
 138                                         }
 139                                 }
 140                         }
 141                 }
 142
 143                 self::setSuccess($receivers, $success);
 144
 145                 Logger::info('Delivered', ['cmd' => $cmd, 'inbox' => $inbox, 'id' => $item_id, 'uri-id' => $uri_id, 'uid' => $uid, 'success' => $success]);
 146
 147                 if ($success && in_array($cmd, [Delivery::POST])) {
 148                         Post\DeliveryData::incrementQueueDone($uri_id, Post\DeliveryData::ACTIVITYPUB);
 149                 }
 150
 151                 return $success;
 152         }
 153
 154         private static function setSuccess(array $receivers, bool $success)
 155         {
 156                 $gsid = null;
 157
 158                 foreach ($receivers as $receiver) {
 159                         $contact = Contact::getById($receiver);
 160                         if (empty($contact)) {
 161                                 continue;
 162                         }
 163
 164                         $gsid = $gsid ?: $contact['gsid'];
 165
 166                         if ($success) {
 167                                 Contact::unmarkForArchival($contact);
 168                         } else {
 169                                 Contact::markForArchival($contact);
 170                         }
 171                 }
 172
 173                 if (!empty($gsid)) {
 174                         GServer::setProtocol($gsid, Post\DeliveryData::ACTIVITYPUB);
 175                 }
 176         }
 177 }