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