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\Core\Cache;
   9 use Friendica\Core\Config;
  10 use Friendica\Core\System;
  11 use Friendica\Database\DBM;
  12 use Friendica\Protocol\PortableContact;
  13 use Friendica\Util\DateTimeFormat;
  14
  15 function poco_init(App $a) {
  16         $system_mode = false;
  17
  18         if (intval(Config::get('system', 'block_public')) || (Config::get('system', 'block_local_dir'))) {
  19                 System::httpExit(401);
  20         }
  21
  22         if ($a->argc > 1) {
  23                 $user = notags(trim($a->argv[1]));
  24         }
  25         if (! x($user)) {
  26                 $c = q("SELECT * FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1");
  27                 if (! DBM::is_result($c)) {
  28                         System::httpExit(401);
  29                 }
  30                 $system_mode = true;
  31         }
  32
  33         $format = (($_GET['format']) ? $_GET['format'] : 'json');
  34
  35         $justme = false;
  36         $global = false;
  37
  38         if ($a->argc > 1 && $a->argv[1] === '@server') {
  39                 // List of all servers that this server knows
  40                 $ret = PortableContact::serverlist();
  41                 header('Content-type: application/json');
  42                 echo json_encode($ret);
  43                 killme();
  44         }
  45         if ($a->argc > 1 && $a->argv[1] === '@global') {
  46                 // List of all profiles that this server recently had data from
  47                 $global = true;
  48                 $update_limit = date(DateTimeFormat::MYSQL, time() - 30 * 86400);
  49         }
  50         if ($a->argc > 2 && $a->argv[2] === '@me') {
  51                 $justme = true;
  52         }
  53         if ($a->argc > 3 && $a->argv[3] === '@all') {
  54                 $justme = false;
  55         }
  56         if ($a->argc > 3 && $a->argv[3] === '@self') {
  57                 $justme = true;
  58         }
  59         if ($a->argc > 4 && intval($a->argv[4]) && $justme == false) {
  60                 $cid = intval($a->argv[4]);
  61         }
  62
  63         if (! $system_mode && ! $global) {
  64                 $users = q("SELECT `user`.*,`profile`.`hide-friends` from user left join profile on `user`.`uid` = `profile`.`uid`
  65                         where `user`.`nickname` = '%s' and `profile`.`is-default` = 1 limit 1",
  66                         dbesc($user)
  67                 );
  68                 if (! DBM::is_result($users) || $users[0]['hidewall'] || $users[0]['hide-friends']) {
  69                         System::httpExit(404);
  70                 }
  71
  72                 $user = $users[0];
  73         }
  74
  75         if ($justme) {
  76                 $sql_extra = " AND `contact`.`self` = 1 ";
  77         }
  78 //      else
  79 //              $sql_extra = " AND `contact`.`self` = 0 ";
  80
  81         if ($cid) {
  82                 $sql_extra = sprintf(" AND `contact`.`id` = %d ", intval($cid));
  83         }
  84         if (x($_GET, 'updatedSince')) {
  85                 $update_limit = date(DateTimeFormat::MYSQL, strtotime($_GET['updatedSince']));
  86         }
  87         if ($global) {
  88                 $contacts = q("SELECT count(*) AS `total` FROM `gcontact` WHERE `updated` >= '%s' AND `updated` >= `last_failure` AND NOT `hide` AND `network` IN ('%s', '%s', '%s')",
  89                         dbesc($update_limit),
  90                         dbesc(NETWORK_DFRN),
  91                         dbesc(NETWORK_DIASPORA),
  92                         dbesc(NETWORK_OSTATUS)
  93                 );
  94         } elseif ($system_mode) {
  95                 $contacts = q("SELECT count(*) AS `total` FROM `contact` WHERE `self` = 1
  96                         AND `uid` IN (SELECT `uid` FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1) ");
  97         } else {
  98                 $contacts = q("SELECT count(*) AS `total` FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
  99                         AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
 100                         AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra",
 101                         intval($user['uid']),
 102                         dbesc(NETWORK_DFRN),
 103                         dbesc(NETWORK_DIASPORA),
 104                         dbesc(NETWORK_OSTATUS),
 105                         dbesc(NETWORK_STATUSNET)
 106                 );
 107         }
 108         if (DBM::is_result($contacts)) {
 109                 $totalResults = intval($contacts[0]['total']);
 110         } else {
 111                 $totalResults = 0;
 112         }
 113         $startIndex = intval($_GET['startIndex']);
 114         if (! $startIndex) {
 115                 $startIndex = 0;
 116         }
 117         $itemsPerPage = ((x($_GET, 'count') && intval($_GET['count'])) ? intval($_GET['count']) : $totalResults);
 118
 119         if ($global) {
 120                 logger("Start global query", LOGGER_DEBUG);
 121                 $contacts = q("SELECT * FROM `gcontact` WHERE `updated` > '%s' AND NOT `hide` AND `network` IN ('%s', '%s', '%s') AND `updated` > `last_failure`
 122                         ORDER BY `updated` DESC LIMIT %d, %d",
 123                         dbesc($update_limit),
 124                         dbesc(NETWORK_DFRN),
 125                         dbesc(NETWORK_DIASPORA),
 126                         dbesc(NETWORK_OSTATUS),
 127                         intval($startIndex),
 128                         intval($itemsPerPage)
 129                 );
 130         } elseif ($system_mode) {
 131                 logger("Start system mode query", LOGGER_DEBUG);
 132                 $contacts = q("SELECT `contact`.*, `profile`.`about` AS `pabout`, `profile`.`locality` AS `plocation`, `profile`.`pub_keywords`,
 133                                 `profile`.`gender` AS `pgender`, `profile`.`address` AS `paddress`, `profile`.`region` AS `pregion`,
 134                                 `profile`.`postal-code` AS `ppostalcode`, `profile`.`country-name` AS `pcountry`, `user`.`account-type`
 135                         FROM `contact` INNER JOIN `profile` ON `profile`.`uid` = `contact`.`uid`
 136                                 INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 137                         WHERE `self` = 1 AND `profile`.`is-default`
 138                         AND `contact`.`uid` IN (SELECT `uid` FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1) LIMIT %d, %d",
 139                         intval($startIndex),
 140                         intval($itemsPerPage)
 141                 );
 142         } else {
 143                 logger("Start query for user " . $user['nickname'], LOGGER_DEBUG);
 144                 $contacts = q("SELECT * FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
 145                         AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
 146                         AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra LIMIT %d, %d",
 147                         intval($user['uid']),
 148                         dbesc(NETWORK_DFRN),
 149                         dbesc(NETWORK_DIASPORA),
 150                         dbesc(NETWORK_OSTATUS),
 151                         dbesc(NETWORK_STATUSNET),
 152                         intval($startIndex),
 153                         intval($itemsPerPage)
 154                 );
 155         }
 156         logger("Query done", LOGGER_DEBUG);
 157
 158         $ret = [];
 159         if (x($_GET, 'sorted')) {
 160                 $ret['sorted'] = false;
 161         }
 162         if (x($_GET, 'filtered')) {
 163                 $ret['filtered'] = false;
 164         }
 165         if (x($_GET, 'updatedSince') && ! $global) {
 166                 $ret['updatedSince'] = false;
 167         }
 168         $ret['startIndex']   = (int) $startIndex;
 169         $ret['itemsPerPage'] = (int) $itemsPerPage;
 170         $ret['totalResults'] = (int) $totalResults;
 171         $ret['entry']        = [];
 172
 173
 174         $fields_ret = [
 175                 'id' => false,
 176                 'displayName' => false,
 177                 'urls' => false,
 178                 'updated' => false,
 179                 'preferredUsername' => false,
 180                 'photos' => false,
 181                 'aboutMe' => false,
 182                 'currentLocation' => false,
 183                 'network' => false,
 184                 'gender' => false,
 185                 'tags' => false,
 186                 'address' => false,
 187                 'contactType' => false,
 188                 'generation' => false
 189         ];
 190
 191         if ((! x($_GET, 'fields')) || ($_GET['fields'] === '@all')) {
 192                 foreach ($fields_ret as $k => $v) {
 193                         $fields_ret[$k] = true;
 194                 }
 195         } else {
 196                 $fields_req = explode(',', $_GET['fields']);
 197                 foreach ($fields_req as $f) {
 198                         $fields_ret[trim($f)] = true;
 199                 }
 200         }
 201
 202         if (is_array($contacts)) {
 203                 if (DBM::is_result($contacts)) {
 204                         foreach ($contacts as $contact) {
 205                                 if (! isset($contact['generation'])) {
 206                                         if ($global) {
 207                                                 $contact['generation'] = 3;
 208                                         } elseif ($system_mode) {
 209                                                 $contact['generation'] = 1;
 210                                         } else {
 211                                                 $contact['generation'] = 2;
 212                                         }
 213                                 }
 214
 215                                 if (($contact['about'] == "") && isset($contact['pabout'])) {
 216                                         $contact['about'] = $contact['pabout'];
 217                                 }
 218                                 if ($contact['location'] == "") {
 219                                         if (isset($contact['plocation'])) {
 220                                                 $contact['location'] = $contact['plocation'];
 221                                         }
 222                                         if (isset($contact['pregion']) && ( $contact['pregion'] != "")) {
 223                                                 if ($contact['location'] != "") {
 224                                                         $contact['location'] .= ", ";
 225                                                 }
 226                                                 $contact['location'] .= $contact['pregion'];
 227                                         }
 228
 229                                         if (isset($contact['pcountry']) && ( $contact['pcountry'] != "")) {
 230                                                 if ($contact['location'] != "") {
 231                                                         $contact['location'] .= ", ";
 232                                                 }
 233                                                 $contact['location'] .= $contact['pcountry'];
 234                                         }
 235                                 }
 236
 237                                 if (($contact['gender'] == "") && isset($contact['pgender'])) {
 238                                         $contact['gender'] = $contact['pgender'];
 239                                 }
 240                                 if (($contact['keywords'] == "") && isset($contact['pub_keywords'])) {
 241                                         $contact['keywords'] = $contact['pub_keywords'];
 242                                 }
 243                                 if (isset($contact['account-type'])) {
 244                                         $contact['contact-type'] = $contact['account-type'];
 245                                 }
 246                                 $about = Cache::get("about:" . $contact['updated'] . ":" . $contact['nurl']);
 247                                 if (is_null($about)) {
 248                                         require_once 'include/bbcode.php';
 249                                         $about = bbcode($contact['about'], false, 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 }