mod/poco.php

   1 <?php
   2
   3 // See here for a documentation for portable contacts:
   4 // https://web.archive.org/web/20160405005550/http://portablecontacts.net/draft-spec.html
   5
   6
   7 use Friendica\App;
   8 use Friendica\Content\Text\BBCode;
   9 use Friendica\Core\Cache;
  10 use Friendica\Core\Config;
  11 use Friendica\Core\Logger;
  12 use Friendica\Core\Protocol;
  13 use Friendica\Core\Renderer;
  14 use Friendica\Core\System;
  15 use Friendica\Database\DBA;
  16 use Friendica\Protocol\PortableContact;
  17 use Friendica\Util\DateTimeFormat;
  18 use Friendica\Util\Strings;
  19 use Friendica\Util\XML;
  20
  21 function poco_init(App $a) {
  22         $system_mode = false;
  23
  24         if (intval(Config::get('system', 'block_public')) || (Config::get('system', 'block_local_dir'))) {
  25                 System::httpExit(401);
  26         }
  27
  28         if ($a->argc > 1) {
  29                 $nickname = Strings::escapeTags(trim($a->argv[1]));
  30         }
  31         if (empty($nickname)) {
  32                 $c = q("SELECT * FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1");
  33                 if (!DBA::isResult($c)) {
  34                         System::httpExit(401);
  35                 }
  36                 $system_mode = true;
  37         }
  38
  39         $format = defaults($_GET, 'format', 'json');
  40
  41         $justme = false;
  42         $global = false;
  43
  44         if ($a->argc > 1 && $a->argv[1] === '@server') {
  45                 // List of all servers that this server knows
  46                 $ret = PortableContact::serverlist();
  47                 header('Content-type: application/json');
  48                 echo json_encode($ret);
  49                 exit();
  50         }
  51
  52         if ($a->argc > 1 && $a->argv[1] === '@global') {
  53                 // List of all profiles that this server recently had data from
  54                 $global = true;
  55                 $update_limit = date(DateTimeFormat::MYSQL, time() - 30 * 86400);
  56         }
  57         if ($a->argc > 2 && $a->argv[2] === '@me') {
  58                 $justme = true;
  59         }
  60         if ($a->argc > 3 && $a->argv[3] === '@all') {
  61                 $justme = false;
  62         }
  63         if ($a->argc > 3 && $a->argv[3] === '@self') {
  64                 $justme = true;
  65         }
  66         if ($a->argc > 4 && intval($a->argv[4]) && $justme == false) {
  67                 $cid = intval($a->argv[4]);
  68         }
  69
  70         if (! $system_mode && ! $global) {
  71                 $users = q("SELECT `user`.*,`profile`.`hide-friends` from user left join profile on `user`.`uid` = `profile`.`uid`
  72                         where `user`.`nickname` = '%s' and `profile`.`is-default` = 1 limit 1",
  73                         DBA::escape($nickname)
  74                 );
  75                 if (! DBA::isResult($users) || $users[0]['hidewall'] || $users[0]['hide-friends']) {
  76                         System::httpExit(404);
  77                 }
  78
  79                 $user = $users[0];
  80         }
  81
  82         if ($justme) {
  83                 $sql_extra = " AND `contact`.`self` = 1 ";
  84         } else {
  85                 $sql_extra = "";
  86         }
  87
  88         if (!empty($cid)) {
  89                 $sql_extra = sprintf(" AND `contact`.`id` = %d ", intval($cid));
  90         }
  91         if (!empty($_GET['updatedSince'])) {
  92                 $update_limit = date(DateTimeFormat::MYSQL, strtotime($_GET['updatedSince']));
  93         }
  94         if ($global) {
  95                 $contacts = q("SELECT count(*) AS `total` FROM `gcontact` WHERE `updated` >= '%s' AND `updated` >= `last_failure` AND NOT `hide` AND `network` IN ('%s', '%s', '%s')",
  96                         DBA::escape($update_limit),
  97                         DBA::escape(Protocol::DFRN),
  98                         DBA::escape(Protocol::DIASPORA),
  99                         DBA::escape(Protocol::OSTATUS)
 100                 );
 101         } elseif ($system_mode) {
 102                 $contacts = q("SELECT count(*) AS `total` FROM `contact` WHERE `self` = 1
 103                         AND `uid` IN (SELECT `uid` FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1) ");
 104         } else {
 105                 $contacts = q("SELECT count(*) AS `total` FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
 106                         AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
 107                         AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra",
 108                         intval($user['uid']),
 109                         DBA::escape(Protocol::DFRN),
 110                         DBA::escape(Protocol::DIASPORA),
 111                         DBA::escape(Protocol::OSTATUS),
 112                         DBA::escape(Protocol::STATUSNET)
 113                 );
 114         }
 115         if (DBA::isResult($contacts)) {
 116                 $totalResults = intval($contacts[0]['total']);
 117         } else {
 118                 $totalResults = 0;
 119         }
 120         if (!empty($_GET['startIndex'])) {
 121                 $startIndex = intval($_GET['startIndex']);
 122         } else {
 123                 $startIndex = 0;
 124         }
 125         $itemsPerPage = ((!empty($_GET['count'])) ? intval($_GET['count']) : $totalResults);
 126
 127         if ($global) {
 128                 Logger::log("Start global query", Logger::DEBUG);
 129                 $contacts = q("SELECT * FROM `gcontact` WHERE `updated` > '%s' AND NOT `hide` AND `network` IN ('%s', '%s', '%s') AND `updated` > `last_failure`
 130                         ORDER BY `updated` DESC LIMIT %d, %d",
 131                         DBA::escape($update_limit),
 132                         DBA::escape(Protocol::DFRN),
 133                         DBA::escape(Protocol::DIASPORA),
 134                         DBA::escape(Protocol::OSTATUS),
 135                         intval($startIndex),
 136                         intval($itemsPerPage)
 137                 );
 138         } elseif ($system_mode) {
 139                 Logger::log("Start system mode query", Logger::DEBUG);
 140                 $contacts = q("SELECT `contact`.*, `profile`.`about` AS `pabout`, `profile`.`locality` AS `plocation`, `profile`.`pub_keywords`,
 141                                 `profile`.`gender` AS `pgender`, `profile`.`address` AS `paddress`, `profile`.`region` AS `pregion`,
 142                                 `profile`.`postal-code` AS `ppostalcode`, `profile`.`country-name` AS `pcountry`, `user`.`account-type`
 143                         FROM `contact` INNER JOIN `profile` ON `profile`.`uid` = `contact`.`uid`
 144                                 INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 145                         WHERE `self` = 1 AND `profile`.`is-default`
 146                         AND `contact`.`uid` IN (SELECT `uid` FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1) LIMIT %d, %d",
 147                         intval($startIndex),
 148                         intval($itemsPerPage)
 149                 );
 150         } else {
 151                 Logger::log("Start query for user " . $user['nickname'], Logger::DEBUG);
 152                 $contacts = q("SELECT * FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
 153                         AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
 154                         AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra LIMIT %d, %d",
 155                         intval($user['uid']),
 156                         DBA::escape(Protocol::DFRN),
 157                         DBA::escape(Protocol::DIASPORA),
 158                         DBA::escape(Protocol::OSTATUS),
 159                         DBA::escape(Protocol::STATUSNET),
 160                         intval($startIndex),
 161                         intval($itemsPerPage)
 162                 );
 163         }
 164         Logger::log("Query done", Logger::DEBUG);
 165
 166         $ret = [];
 167         if (!empty($_GET['sorted'])) {
 168                 $ret['sorted'] = false;
 169         }
 170         if (!empty($_GET['filtered'])) {
 171                 $ret['filtered'] = false;
 172         }
 173         if (!empty($_GET['updatedSince']) && ! $global) {
 174                 $ret['updatedSince'] = false;
 175         }
 176         $ret['startIndex']   = (int) $startIndex;
 177         $ret['itemsPerPage'] = (int) $itemsPerPage;
 178         $ret['totalResults'] = (int) $totalResults;
 179         $ret['entry']        = [];
 180
 181
 182         $fields_ret = [
 183                 'id' => false,
 184                 'displayName' => false,
 185                 'urls' => false,
 186                 'updated' => false,
 187                 'preferredUsername' => false,
 188                 'photos' => false,
 189                 'aboutMe' => false,
 190                 'currentLocation' => false,
 191                 'network' => false,
 192                 'gender' => false,
 193                 'tags' => false,
 194                 'address' => false,
 195                 'contactType' => false,
 196                 'generation' => false
 197         ];
 198
 199         if (empty($_GET['fields']) || ($_GET['fields'] === '@all')) {
 200                 foreach ($fields_ret as $k => $v) {
 201                         $fields_ret[$k] = true;
 202                 }
 203         } else {
 204                 $fields_req = explode(',', $_GET['fields']);
 205                 foreach ($fields_req as $f) {
 206                         $fields_ret[trim($f)] = true;
 207                 }
 208         }
 209
 210         if (is_array($contacts)) {
 211                 if (DBA::isResult($contacts)) {
 212                         foreach ($contacts as $contact) {
 213                                 if (!isset($contact['updated'])) {
 214                                         $contact['updated'] = '';
 215                                 }
 216
 217                                 if (! isset($contact['generation'])) {
 218                                         if ($global) {
 219                                                 $contact['generation'] = 3;
 220                                         } elseif ($system_mode) {
 221                                                 $contact['generation'] = 1;
 222                                         } else {
 223                                                 $contact['generation'] = 2;
 224                                         }
 225                                 }
 226
 227                                 if (($contact['about'] == "") && isset($contact['pabout'])) {
 228                                         $contact['about'] = $contact['pabout'];
 229                                 }
 230                                 if ($contact['location'] == "") {
 231                                         if (isset($contact['plocation'])) {
 232                                                 $contact['location'] = $contact['plocation'];
 233                                         }
 234                                         if (isset($contact['pregion']) && ( $contact['pregion'] != "")) {
 235                                                 if ($contact['location'] != "") {
 236                                                         $contact['location'] .= ", ";
 237                                                 }
 238                                                 $contact['location'] .= $contact['pregion'];
 239                                         }
 240
 241                                         if (isset($contact['pcountry']) && ( $contact['pcountry'] != "")) {
 242                                                 if ($contact['location'] != "") {
 243                                                         $contact['location'] .= ", ";
 244                                                 }
 245                                                 $contact['location'] .= $contact['pcountry'];
 246                                         }
 247                                 }
 248
 249                                 if (($contact['gender'] == "") && isset($contact['pgender'])) {
 250                                         $contact['gender'] = $contact['pgender'];
 251                                 }
 252                                 if (($contact['keywords'] == "") && isset($contact['pub_keywords'])) {
 253                                         $contact['keywords'] = $contact['pub_keywords'];
 254                                 }
 255                                 if (isset($contact['account-type'])) {
 256                                         $contact['contact-type'] = $contact['account-type'];
 257                                 }
 258                                 $about = Cache::get("about:" . $contact['updated'] . ":" . $contact['nurl']);
 259                                 if (is_null($about)) {
 260                                         $about = BBCode::convert($contact['about'], false);
 261                                         Cache::set("about:" . $contact['updated'] . ":" . $contact['nurl'], $about);
 262                                 }
 263
 264                                 // Non connected persons can only see the keywords of a Diaspora account
 265                                 if ($contact['network'] == Protocol::DIASPORA) {
 266                                         $contact['location'] = "";
 267                                         $about = "";
 268                                         $contact['gender'] = "";
 269                                 }
 270
 271                                 $entry = [];
 272                                 if ($fields_ret['id']) {
 273                                         $entry['id'] = (int)$contact['id'];
 274                                 }
 275                                 if ($fields_ret['displayName']) {
 276                                         $entry['displayName'] = $contact['name'];
 277                                 }
 278                                 if ($fields_ret['aboutMe']) {
 279                                         $entry['aboutMe'] = $about;
 280                                 }
 281                                 if ($fields_ret['currentLocation']) {
 282                                         $entry['currentLocation'] = $contact['location'];
 283                                 }
 284                                 if ($fields_ret['gender']) {
 285                                         $entry['gender'] = $contact['gender'];
 286                                 }
 287                                 if ($fields_ret['generation']) {
 288                                         $entry['generation'] = (int)$contact['generation'];
 289                                 }
 290                                 if ($fields_ret['urls']) {
 291                                         $entry['urls'] = [['value' => $contact['url'], 'type' => 'profile']];
 292                                         if ($contact['addr'] && ($contact['network'] !== Protocol::MAIL)) {
 293                                                 $entry['urls'][] = ['value' => 'acct:' . $contact['addr'], 'type' => 'webfinger'];
 294                                         }
 295                                 }
 296                                 if ($fields_ret['preferredUsername']) {
 297                                         $entry['preferredUsername'] = $contact['nick'];
 298                                 }
 299                                 if ($fields_ret['updated']) {
 300                                         if (! $global) {
 301                                                 $entry['updated'] = $contact['success_update'];
 302
 303                                                 if ($contact['name-date'] > $entry['updated']) {
 304                                                         $entry['updated'] = $contact['name-date'];
 305                                                 }
 306                                                 if ($contact['uri-date'] > $entry['updated']) {
 307                                                         $entry['updated'] = $contact['uri-date'];
 308                                                 }
 309                                                 if ($contact['avatar-date'] > $entry['updated']) {
 310                                                         $entry['updated'] = $contact['avatar-date'];
 311                                                 }
 312                                         } else {
 313                                                 $entry['updated'] = $contact['updated'];
 314                                         }
 315                                         $entry['updated'] = date("c", strtotime($entry['updated']));
 316                                 }
 317                                 if ($fields_ret['photos']) {
 318                                         $entry['photos'] = [['value' => $contact['photo'], 'type' => 'profile']];
 319                                 }
 320                                 if ($fields_ret['network']) {
 321                                         $entry['network'] = $contact['network'];
 322                                         if ($entry['network'] == Protocol::STATUSNET) {
 323                                                 $entry['network'] = Protocol::OSTATUS;
 324                                         }
 325                                         if (($entry['network'] == "") && ($contact['self'])) {
 326                                                 $entry['network'] = Protocol::DFRN;
 327                                         }
 328                                 }
 329                                 if ($fields_ret['tags']) {
 330                                         $tags = str_replace(",", " ", $contact['keywords']);
 331                                         $tags = explode(" ", $tags);
 332
 333                                         $cleaned = [];
 334                                         foreach ($tags as $tag) {
 335                                                 $tag = trim(strtolower($tag));
 336                                                 if ($tag != "") {
 337                                                         $cleaned[] = $tag;
 338                                                 }
 339                                         }
 340
 341                                         $entry['tags'] = [$cleaned];
 342                                 }
 343                                 if ($fields_ret['address']) {
 344                                         $entry['address'] = [];
 345
 346                                         // Deactivated. It just reveals too much data. (Although its from the default profile)
 347                                         //if (isset($rr['paddress']))
 348                                         //       $entry['address']['streetAddress'] = $rr['paddress'];
 349
 350                                         if (isset($contact['plocation'])) {
 351                                                 $entry['address']['locality'] = $contact['plocation'];
 352                                         }
 353                                         if (isset($contact['pregion'])) {
 354                                                 $entry['address']['region'] = $contact['pregion'];
 355                                         }
 356                                         // See above
 357                                         //if (isset($rr['ppostalcode']))
 358                                         //       $entry['address']['postalCode'] = $rr['ppostalcode'];
 359
 360                                         if (isset($contact['pcountry'])) {
 361                                                 $entry['address']['country'] = $contact['pcountry'];
 362                                         }
 363                                 }
 364
 365                                 if ($fields_ret['contactType']) {
 366                                         $entry['contactType'] = intval($contact['contact-type']);
 367                                 }
 368                                 $ret['entry'][] = $entry;
 369                         }
 370                 } else {
 371                         $ret['entry'][] = [];
 372                 }
 373         } else {
 374                 System::httpExit(500);
 375         }
 376         Logger::log("End of poco", Logger::DEBUG);
 377
 378         if ($format === 'xml') {
 379                 header('Content-type: text/xml');
 380                 echo Renderer::replaceMacros(Renderer::getMarkupTemplate('poco_xml.tpl'), XML::arrayEscape(['$response' => $ret]));
 381                 exit();
 382         }
 383         if ($format === 'json') {
 384                 header('Content-type: application/json');
 385                 echo json_encode($ret);
 386                 exit();
 387         } else {
 388                 System::httpExit(500);
 389         }
 390 }