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