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