mod/poco.php

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