src/Module/User/PortableContacts.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  * @see https://web.archive.org/web/20160405005550/http://portablecontacts.net/draft-spec.html
  21  */
  22
  23 namespace Friendica\Module\User;
  24
  25 use Friendica\App;
  26 use Friendica\BaseModule;
  27 use Friendica\Content\Text\BBCode;
  28 use Friendica\Core\Cache\Capability\ICanCache;
  29 use Friendica\Core\Config\Capability\IManageConfigValues;
  30 use Friendica\Core\L10n;
  31 use Friendica\Core\Protocol;
  32 use Friendica\Core\System;
  33 use Friendica\Database\Database;
  34 use Friendica\Module\Response;
  35 use Friendica\Network\HTTPException;
  36 use Friendica\Util\DateTimeFormat;
  37 use Friendica\Util\Profiler;
  38 use Psr\Log\LoggerInterface;
  39
  40 /**
  41  * Minimal implementation of the Portable Contacts protocol
  42  * @see https://portablecontacts.github.io
  43  */
  44 class PortableContacts extends BaseModule
  45 {
  46         /** @var IManageConfigValues */
  47         private $config;
  48         /** @var Database */
  49         private $database;
  50         /** @var ICanCache */
  51         private $cache;
  52
  53         public function __construct(ICanCache $cache, Database $database, IManageConfigValues $config, L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, array $server, array $parameters = [])
  54         {
  55                 parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
  56
  57                 $this->config   = $config;
  58                 $this->database = $database;
  59                 $this->cache    = $cache;
  60         }
  61
  62         protected function rawContent(array $request = [])
  63         {
  64                 if ($this->config->get('system', 'block_public') || $this->config->get('system', 'block_local_dir')) {
  65                         throw new HTTPException\ForbiddenException();
  66                 }
  67
  68                 $format = $request['format'] ?? 'json';
  69                 if ($format !== 'json') {
  70                         throw new HTTPException\UnsupportedMediaTypeException();
  71                 }
  72
  73                 $totalResults = $this->database->count('profile', ['net-publish' => true]);
  74                 if (!$totalResults) {
  75                         throw new HTTPException\ForbiddenException();
  76                 }
  77
  78                 if (!empty($request['startIndex']) && is_numeric($request['startIndex'])) {
  79                         $startIndex = intval($request['startIndex']);
  80                 } else {
  81                         $startIndex = 0;
  82                 }
  83
  84                 $itemsPerPage = !empty($request['count']) && is_numeric($request['count']) ? intval($request['count']) : $totalResults;
  85
  86                 $this->logger->info('Start system mode query');
  87                 $contacts = $this->database->selectToArray('owner-view', [], ['net-publish' => true], ['limit' => [$startIndex, $itemsPerPage]]);
  88                 $this->logger->info('Query done');
  89
  90                 $return = [];
  91                 if (!empty($request['sorted'])) {
  92                         $return['sorted'] = false;
  93                 }
  94
  95                 if (!empty($request['filtered'])) {
  96                         $return['filtered'] = false;
  97                 }
  98
  99                 if (!empty($request['updatedSince'])) {
 100                         $return['updatedSince'] = false;
 101                 }
 102
 103                 $return['startIndex']   = $startIndex;
 104                 $return['itemsPerPage'] = $itemsPerPage;
 105                 $return['totalResults'] = $totalResults;
 106
 107                 $return['entry'] = [];
 108
 109                 $selectedFields = [
 110                         'id'                => false,
 111                         'displayName'       => false,
 112                         'urls'              => false,
 113                         'updated'           => false,
 114                         'preferredUsername' => false,
 115                         'photos'            => false,
 116                         'aboutMe'           => false,
 117                         'currentLocation'   => false,
 118                         'network'           => false,
 119                         'tags'              => false,
 120                         'address'           => false,
 121                         'contactType'       => false,
 122                         'generation'        => false
 123                 ];
 124
 125                 if (empty($request['fields']) || $request['fields'] == '@all') {
 126                         foreach ($selectedFields as $k => $v) {
 127                                 $selectedFields[$k] = true;
 128                         }
 129                 } else {
 130                         $fields_req = explode(',', $request['fields']);
 131                         foreach ($fields_req as $f) {
 132                                 $selectedFields[trim($f)] = true;
 133                         }
 134                 }
 135
 136                 if (!$contacts) {
 137                         $return['entry'][] = [];
 138                 }
 139
 140                 foreach ($contacts as $contact) {
 141                         if (!isset($contact['updated'])) {
 142                                 $contact['updated'] = '';
 143                         }
 144
 145                         if (!isset($contact['generation'])) {
 146                                 $contact['generation'] = 1;
 147                         }
 148
 149                         if (empty($contact['keywords']) && isset($contact['pub_keywords'])) {
 150                                 $contact['keywords'] = $contact['pub_keywords'];
 151                         }
 152
 153                         if (isset($contact['account-type'])) {
 154                                 $contact['contact-type'] = $contact['account-type'];
 155                         }
 156
 157                         $cacheKey = 'about:' . $contact['nick'] . ':' . DateTimeFormat::utc($contact['updated'], DateTimeFormat::ATOM);
 158                         $about    = $this->cache->get($cacheKey);
 159                         if (is_null($about)) {
 160                                 $about = BBCode::convertForUriId($contact['uri-id'], $contact['about']);
 161                                 $this->cache->set($cacheKey, $about);
 162                         }
 163
 164                         // Non connected persons can only see the keywords of a Diaspora account
 165                         if ($contact['network'] == Protocol::DIASPORA) {
 166                                 $contact['location'] = '';
 167                                 $about               = '';
 168                         }
 169
 170                         $entry = [];
 171                         if ($selectedFields['id']) {
 172                                 $entry['id'] = (int)$contact['id'];
 173                         }
 174
 175                         if ($selectedFields['displayName']) {
 176                                 $entry['displayName'] = $contact['name'];
 177                         }
 178
 179                         if ($selectedFields['aboutMe']) {
 180                                 $entry['aboutMe'] = $about;
 181                         }
 182
 183                         if ($selectedFields['currentLocation']) {
 184                                 $entry['currentLocation'] = $contact['location'];
 185                         }
 186
 187                         if ($selectedFields['generation']) {
 188                                 $entry['generation'] = (int)$contact['generation'];
 189                         }
 190
 191                         if ($selectedFields['urls']) {
 192                                 $entry['urls'] = [['value' => $contact['url'], 'type' => 'profile']];
 193                                 if ($contact['addr'] && ($contact['network'] !== Protocol::MAIL)) {
 194                                         $entry['urls'][] = ['value' => 'acct:' . $contact['addr'], 'type' => 'webfinger'];
 195                                 }
 196                         }
 197
 198                         if ($selectedFields['preferredUsername']) {
 199                                 $entry['preferredUsername'] = $contact['nick'];
 200                         }
 201
 202                         if ($selectedFields['updated']) {
 203                                 $entry['updated'] = $contact['success_update'];
 204
 205                                 if ($contact['name-date'] > $entry['updated']) {
 206                                         $entry['updated'] = $contact['name-date'];
 207                                 }
 208
 209                                 if ($contact['uri-date'] > $entry['updated']) {
 210                                         $entry['updated'] = $contact['uri-date'];
 211                                 }
 212
 213                                 if ($contact['avatar-date'] > $entry['updated']) {
 214                                         $entry['updated'] = $contact['avatar-date'];
 215                                 }
 216
 217                                 $entry['updated'] = date('c', strtotime($entry['updated']));
 218                         }
 219
 220                         if ($selectedFields['photos']) {
 221                                 $entry['photos'] = [['value' => $contact['photo'], 'type' => 'profile']];
 222                         }
 223
 224                         if ($selectedFields['network']) {
 225                                 $entry['network'] = $contact['network'];
 226                                 if (($entry['network'] == '') && ($contact['self'])) {
 227                                         $entry['network'] = Protocol::DFRN;
 228                                 }
 229                         }
 230
 231                         if ($selectedFields['tags']) {
 232                                 $tags = str_replace(',', ' ', $contact['keywords'] ?? '');
 233                                 $tags = explode(' ', $tags);
 234
 235                                 $cleaned = [];
 236                                 foreach ($tags as $tag) {
 237                                         $tag = trim(strtolower($tag));
 238                                         if ($tag != '') {
 239                                                 $cleaned[] = $tag;
 240                                         }
 241                                 }
 242
 243                                 $entry['tags'] = [$cleaned];
 244                         }
 245
 246                         if ($selectedFields['address']) {
 247                                 $entry['address'] = [];
 248
 249                                 if (isset($contact['locality'])) {
 250                                         $entry['address']['locality'] = $contact['locality'];
 251                                 }
 252
 253                                 if (isset($contact['region'])) {
 254                                         $entry['address']['region'] = $contact['region'];
 255                                 }
 256
 257                                 if (isset($contact['country'])) {
 258                                         $entry['address']['country'] = $contact['country'];
 259                                 }
 260                         }
 261
 262                         if ($selectedFields['contactType']) {
 263                                 $entry['contactType'] = intval($contact['contact-type']);
 264                         }
 265
 266                         $return['entry'][] = $entry;
 267                 }
 268
 269                 $this->logger->info('End of poco');
 270
 271                 System::jsonExit($return);
 272         }
 273 }