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