src/Model/User.php

   1 <?php
   2 /**
   3  * @file src/Model/User.php
   4  * @brief This file includes the User class with user related database functions
   5  */
   6 namespace Friendica\Model;
   7
   8 use DivineOmega\PasswordExposed;
   9 use Exception;
  10 use Friendica\Core\Addon;
  11 use Friendica\Core\Config;
  12 use Friendica\Core\Hook;
  13 use Friendica\Core\L10n;
  14 use Friendica\Core\Logger;
  15 use Friendica\Core\PConfig;
  16 use Friendica\Core\Protocol;
  17 use Friendica\Core\System;
  18 use Friendica\Core\Worker;
  19 use Friendica\Database\DBA;
  20 use Friendica\Object\Image;
  21 use Friendica\Util\Crypto;
  22 use Friendica\Util\DateTimeFormat;
  23 use Friendica\Util\Network;
  24 use Friendica\Util\Strings;
  25 use LightOpenID;
  26
  27 require_once 'boot.php';
  28 require_once 'include/dba.php';
  29 require_once 'include/enotify.php';
  30 require_once 'include/text.php';
  31 /**
  32  * @brief This class handles User related functions
  33  */
  34 class User
  35 {
  36         /**
  37          * Returns true if a user record exists with the provided id
  38          *
  39          * @param  integer $uid
  40          * @return boolean
  41          */
  42         public static function exists($uid)
  43         {
  44                 return DBA::exists('user', ['uid' => $uid]);
  45         }
  46
  47         /**
  48          * @param  integer       $uid
  49          * @return array|boolean User record if it exists, false otherwise
  50          */
  51         public static function getById($uid)
  52         {
  53                 return DBA::selectFirst('user', [], ['uid' => $uid]);
  54         }
  55
  56         /**
  57          * @brief Returns the user id of a given profile URL
  58          *
  59          * @param string $url
  60          *
  61          * @return integer user id
  62          */
  63         public static function getIdForURL($url)
  64         {
  65                 $self = DBA::selectFirst('contact', ['uid'], ['nurl' => Strings::normaliseLink($url), 'self' => true]);
  66                 if (!DBA::isResult($self)) {
  67                         return false;
  68                 } else {
  69                         return $self['uid'];
  70                 }
  71         }
  72
  73         /**
  74          * @brief Get owner data by user id
  75          *
  76          * @param int $uid
  77          * @return boolean|array
  78          */
  79         public static function getOwnerDataById($uid) {
  80                 $r = DBA::fetchFirst("SELECT
  81                         `contact`.*,
  82                         `user`.`prvkey` AS `uprvkey`,
  83                         `user`.`timezone`,
  84                         `user`.`nickname`,
  85                         `user`.`sprvkey`,
  86                         `user`.`spubkey`,
  87                         `user`.`page-flags`,
  88                         `user`.`account-type`,
  89                         `user`.`prvnets`
  90                         FROM `contact`
  91                         INNER JOIN `user`
  92                                 ON `user`.`uid` = `contact`.`uid`
  93                         WHERE `contact`.`uid` = ?
  94                         AND `contact`.`self`
  95                         LIMIT 1",
  96                         $uid
  97                 );
  98                 if (!DBA::isResult($r)) {
  99                         return false;
 100                 }
 101                 return $r;
 102         }
 103
 104         /**
 105          * @brief Get owner data by nick name
 106          *
 107          * @param int $nick
 108          * @return boolean|array
 109          */
 110         public static function getOwnerDataByNick($nick)
 111         {
 112                 $user = DBA::selectFirst('user', ['uid'], ['nickname' => $nick]);
 113
 114                 if (!DBA::isResult($user)) {
 115                         return false;
 116                 }
 117
 118                 return self::getOwnerDataById($user['uid']);
 119         }
 120
 121         /**
 122          * @brief Returns the default group for a given user and network
 123          *
 124          * @param int $uid User id
 125          * @param string $network network name
 126          *
 127          * @return int group id
 128          */
 129         public static function getDefaultGroup($uid, $network = '')
 130         {
 131                 $default_group = 0;
 132
 133                 if ($network == Protocol::OSTATUS) {
 134                         $default_group = PConfig::get($uid, "ostatus", "default_group");
 135                 }
 136
 137                 if ($default_group != 0) {
 138                         return $default_group;
 139                 }
 140
 141                 $user = DBA::selectFirst('user', ['def_gid'], ['uid' => $uid]);
 142
 143                 if (DBA::isResult($user)) {
 144                         $default_group = $user["def_gid"];
 145                 }
 146
 147                 return $default_group;
 148         }
 149
 150
 151         /**
 152          * Authenticate a user with a clear text password
 153          *
 154          * @brief Authenticate a user with a clear text password
 155          * @param mixed $user_info
 156          * @param string $password
 157          * @return int|boolean
 158          * @deprecated since version 3.6
 159          * @see User::getIdFromPasswordAuthentication()
 160          */
 161         public static function authenticate($user_info, $password)
 162         {
 163                 try {
 164                         return self::getIdFromPasswordAuthentication($user_info, $password);
 165                 } catch (Exception $ex) {
 166                         return false;
 167                 }
 168         }
 169
 170         /**
 171          * Returns the user id associated with a successful password authentication
 172          *
 173          * @brief Authenticate a user with a clear text password
 174          * @param mixed $user_info
 175          * @param string $password
 176          * @return int User Id if authentication is successful
 177          * @throws Exception
 178          */
 179         public static function getIdFromPasswordAuthentication($user_info, $password)
 180         {
 181                 $user = self::getAuthenticationInfo($user_info);
 182
 183                 if (strpos($user['password'], '$') === false) {
 184                         //Legacy hash that has not been replaced by a new hash yet
 185                         if (self::hashPasswordLegacy($password) === $user['password']) {
 186                                 self::updatePassword($user['uid'], $password);
 187
 188                                 return $user['uid'];
 189                         }
 190                 } elseif (!empty($user['legacy_password'])) {
 191                         //Legacy hash that has been double-hashed and not replaced by a new hash yet
 192                         //Warning: `legacy_password` is not necessary in sync with the content of `password`
 193                         if (password_verify(self::hashPasswordLegacy($password), $user['password'])) {
 194                                 self::updatePassword($user['uid'], $password);
 195
 196                                 return $user['uid'];
 197                         }
 198                 } elseif (password_verify($password, $user['password'])) {
 199                         //New password hash
 200                         if (password_needs_rehash($user['password'], PASSWORD_DEFAULT)) {
 201                                 self::updatePassword($user['uid'], $password);
 202                         }
 203
 204                         return $user['uid'];
 205                 }
 206
 207                 throw new Exception(L10n::t('Login failed'));
 208         }
 209
 210         /**
 211          * Returns authentication info from various parameters types
 212          *
 213          * User info can be any of the following:
 214          * - User DB object
 215          * - User Id
 216          * - User email or username or nickname
 217          * - User array with at least the uid and the hashed password
 218          *
 219          * @param mixed $user_info
 220          * @return array
 221          * @throws Exception
 222          */
 223         private static function getAuthenticationInfo($user_info)
 224         {
 225                 $user = null;
 226
 227                 if (is_object($user_info) || is_array($user_info)) {
 228                         if (is_object($user_info)) {
 229                                 $user = (array) $user_info;
 230                         } else {
 231                                 $user = $user_info;
 232                         }
 233
 234                         if (!isset($user['uid'])
 235                                 || !isset($user['password'])
 236                                 || !isset($user['legacy_password'])
 237                         ) {
 238                                 throw new Exception(L10n::t('Not enough information to authenticate'));
 239                         }
 240                 } elseif (is_int($user_info) || is_string($user_info)) {
 241                         if (is_int($user_info)) {
 242                                 $user = DBA::selectFirst('user', ['uid', 'password', 'legacy_password'],
 243                                         [
 244                                                 'uid' => $user_info,
 245                                                 'blocked' => 0,
 246                                                 'account_expired' => 0,
 247                                                 'account_removed' => 0,
 248                                                 'verified' => 1
 249                                         ]
 250                                 );
 251                         } else {
 252                                 $fields = ['uid', 'password', 'legacy_password'];
 253                                 $condition = ["(`email` = ? OR `username` = ? OR `nickname` = ?)
 254                                         AND NOT `blocked` AND NOT `account_expired` AND NOT `account_removed` AND `verified`",
 255                                         $user_info, $user_info, $user_info];
 256                                 $user = DBA::selectFirst('user', $fields, $condition);
 257                         }
 258
 259                         if (!DBA::isResult($user)) {
 260                                 throw new Exception(L10n::t('User not found'));
 261                         }
 262                 }
 263
 264                 return $user;
 265         }
 266
 267         /**
 268          * Generates a human-readable random password
 269          *
 270          * @return string
 271          */
 272         public static function generateNewPassword()
 273         {
 274                 return Strings::getRandomName(6) . mt_rand(100, 9999);
 275         }
 276
 277         /**
 278          * Checks if the provided plaintext password has been exposed or not
 279          *
 280          * @param string $password
 281          * @return bool
 282          */
 283         public static function isPasswordExposed($password)
 284         {
 285                 $cache = new \DivineOmega\DOFileCachePSR6\CacheItemPool();
 286                 $cache->changeConfig([
 287                         'cacheDirectory' => get_temppath() . '/password-exposed-cache/',
 288                 ]);
 289
 290                 $PasswordExposedCHecker = new PasswordExposed\PasswordExposedChecker(null, $cache);
 291
 292                 return $PasswordExposedCHecker->passwordExposed($password) === PasswordExposed\PasswordStatus::EXPOSED;
 293         }
 294
 295         /**
 296          * Legacy hashing function, kept for password migration purposes
 297          *
 298          * @param string $password
 299          * @return string
 300          */
 301         private static function hashPasswordLegacy($password)
 302         {
 303                 return hash('whirlpool', $password);
 304         }
 305
 306         /**
 307          * Global user password hashing function
 308          *
 309          * @param string $password
 310          * @return string
 311          */
 312         public static function hashPassword($password)
 313         {
 314                 if (!trim($password)) {
 315                         throw new Exception(L10n::t('Password can\'t be empty'));
 316                 }
 317
 318                 return password_hash($password, PASSWORD_DEFAULT);
 319         }
 320
 321         /**
 322          * Updates a user row with a new plaintext password
 323          *
 324          * @param int    $uid
 325          * @param string $password
 326          * @return bool
 327          */
 328         public static function updatePassword($uid, $password)
 329         {
 330                 return self::updatePasswordHashed($uid, self::hashPassword($password));
 331         }
 332
 333         /**
 334          * Updates a user row with a new hashed password.
 335          * Empties the password reset token field just in case.
 336          *
 337          * @param int    $uid
 338          * @param string $pasword_hashed
 339          * @return bool
 340          */
 341         private static function updatePasswordHashed($uid, $pasword_hashed)
 342         {
 343                 $fields = [
 344                         'password' => $pasword_hashed,
 345                         'pwdreset' => null,
 346                         'pwdreset_time' => null,
 347                         'legacy_password' => false
 348                 ];
 349                 return DBA::update('user', $fields, ['uid' => $uid]);
 350         }
 351
 352         /**
 353          * @brief Checks if a nickname is in the list of the forbidden nicknames
 354          *
 355          * Check if a nickname is forbidden from registration on the node by the
 356          * admin. Forbidden nicknames (e.g. role namess) can be configured in the
 357          * admin panel.
 358          *
 359          * @param string $nickname The nickname that should be checked
 360          * @return boolean True is the nickname is blocked on the node
 361          */
 362         public static function isNicknameBlocked($nickname)
 363         {
 364                 $forbidden_nicknames = Config::get('system', 'forbidden_nicknames', '');
 365
 366                 // if the config variable is empty return false
 367                 if (empty($forbidden_nicknames)) {
 368                         return false;
 369                 }
 370
 371                 // check if the nickname is in the list of blocked nicknames
 372                 $forbidden = explode(',', $forbidden_nicknames);
 373                 $forbidden = array_map('trim', $forbidden);
 374                 if (in_array(strtolower($nickname), $forbidden)) {
 375                         return true;
 376                 }
 377
 378                 // else return false
 379                 return false;
 380         }
 381
 382         /**
 383          * @brief Catch-all user creation function
 384          *
 385          * Creates a user from the provided data array, either form fields or OpenID.
 386          * Required: { username, nickname, email } or { openid_url }
 387          *
 388          * Performs the following:
 389          * - Sends to the OpenId auth URL (if relevant)
 390          * - Creates new key pairs for crypto
 391          * - Create self-contact
 392          * - Create profile image
 393          *
 394          * @param array $data
 395          * @return string
 396          * @throw Exception
 397          */
 398         public static function create(array $data)
 399         {
 400                 $a = get_app();
 401                 $return = ['user' => null, 'password' => ''];
 402
 403                 $using_invites = Config::get('system', 'invitation_only');
 404                 $num_invites   = Config::get('system', 'number_invites');
 405
 406                 $invite_id  = !empty($data['invite_id'])  ? Strings::escapeTags(trim($data['invite_id']))  : '';
 407                 $username   = !empty($data['username'])   ? Strings::escapeTags(trim($data['username']))   : '';
 408                 $nickname   = !empty($data['nickname'])   ? Strings::escapeTags(trim($data['nickname']))   : '';
 409                 $email      = !empty($data['email'])      ? Strings::escapeTags(trim($data['email']))      : '';
 410                 $openid_url = !empty($data['openid_url']) ? Strings::escapeTags(trim($data['openid_url'])) : '';
 411                 $photo      = !empty($data['photo'])      ? Strings::escapeTags(trim($data['photo']))      : '';
 412                 $password   = !empty($data['password'])   ? trim($data['password'])           : '';
 413                 $password1  = !empty($data['password1'])  ? trim($data['password1'])          : '';
 414                 $confirm    = !empty($data['confirm'])    ? trim($data['confirm'])            : '';
 415                 $blocked    = !empty($data['blocked'])    ? intval($data['blocked'])          : 0;
 416                 $verified   = !empty($data['verified'])   ? intval($data['verified'])         : 0;
 417                 $language   = !empty($data['language'])   ? Strings::escapeTags(trim($data['language']))   : 'en';
 418
 419                 $publish = !empty($data['profile_publish_reg']) && intval($data['profile_publish_reg']) ? 1 : 0;
 420                 $netpublish = strlen(Config::get('system', 'directory')) ? $publish : 0;
 421
 422                 if ($password1 != $confirm) {
 423                         throw new Exception(L10n::t('Passwords do not match. Password unchanged.'));
 424                 } elseif ($password1 != '') {
 425                         $password = $password1;
 426                 }
 427
 428                 if ($using_invites) {
 429                         if (!$invite_id) {
 430                                 throw new Exception(L10n::t('An invitation is required.'));
 431                         }
 432
 433                         if (!Register::existsByHash($invite_id)) {
 434                                 throw new Exception(L10n::t('Invitation could not be verified.'));
 435                         }
 436                 }
 437
 438                 if (empty($username) || empty($email) || empty($nickname)) {
 439                         if ($openid_url) {
 440                                 if (!Network::isUrlValid($openid_url)) {
 441                                         throw new Exception(L10n::t('Invalid OpenID url'));
 442                                 }
 443                                 $_SESSION['register'] = 1;
 444                                 $_SESSION['openid'] = $openid_url;
 445
 446                                 $openid = new LightOpenID($a->getHostName());
 447                                 $openid->identity = $openid_url;
 448                                 $openid->returnUrl = System::baseUrl() . '/openid';
 449                                 $openid->required = ['namePerson/friendly', 'contact/email', 'namePerson'];
 450                                 $openid->optional = ['namePerson/first', 'media/image/aspect11', 'media/image/default'];
 451                                 try {
 452                                         $authurl = $openid->authUrl();
 453                                 } catch (Exception $e) {
 454                                         throw new Exception(L10n::t('We encountered a problem while logging in with the OpenID you provided. Please check the correct spelling of the ID.') . EOL . EOL . L10n::t('The error message was:') . $e->getMessage(), 0, $e);
 455                                 }
 456                                 System::externalRedirect($authurl);
 457                                 // NOTREACHED
 458                         }
 459
 460                         throw new Exception(L10n::t('Please enter the required information.'));
 461                 }
 462
 463                 if (!Network::isUrlValid($openid_url)) {
 464                         $openid_url = '';
 465                 }
 466
 467                 $err = '';
 468
 469                 // collapse multiple spaces in name
 470                 $username = preg_replace('/ +/', ' ', $username);
 471
 472                 $username_min_length = max(1, min(64, intval(Config::get('system', 'username_min_length', 3))));
 473                 $username_max_length = max(1, min(64, intval(Config::get('system', 'username_max_length', 48))));
 474
 475                 if ($username_min_length > $username_max_length) {
 476                         Logger::log(L10n::t('system.username_min_length (%s) and system.username_max_length (%s) are excluding each other, swapping values.', $username_min_length, $username_max_length), Logger::WARNING);
 477                         $tmp = $username_min_length;
 478                         $username_min_length = $username_max_length;
 479                         $username_max_length = $tmp;
 480                 }
 481
 482                 if (mb_strlen($username) < $username_min_length) {
 483                         throw new Exception(L10n::tt('Username should be at least %s character.', 'Username should be at least %s characters.', $username_min_length));
 484                 }
 485
 486                 if (mb_strlen($username) > $username_max_length) {
 487                         throw new Exception(L10n::tt('Username should be at most %s character.', 'Username should be at most %s characters.', $username_max_length));
 488                 }
 489
 490                 // So now we are just looking for a space in the full name.
 491                 $loose_reg = Config::get('system', 'no_regfullname');
 492                 if (!$loose_reg) {
 493                         $username = mb_convert_case($username, MB_CASE_TITLE, 'UTF-8');
 494                         if (strpos($username, ' ') === false) {
 495                                 throw new Exception(L10n::t("That doesn't appear to be your full (First Last) name."));
 496                         }
 497                 }
 498
 499                 if (!Network::isEmailDomainAllowed($email)) {
 500                         throw new Exception(L10n::t('Your email domain is not among those allowed on this site.'));
 501                 }
 502
 503                 if (!filter_var($email, FILTER_VALIDATE_EMAIL) || !Network::isEmailDomainValid($email)) {
 504                         throw new Exception(L10n::t('Not a valid email address.'));
 505                 }
 506                 if (self::isNicknameBlocked($nickname)) {
 507                         throw new Exception(L10n::t('The nickname was blocked from registration by the nodes admin.'));
 508                 }
 509
 510                 if (Config::get('system', 'block_extended_register', false) && DBA::exists('user', ['email' => $email])) {
 511                         throw new Exception(L10n::t('Cannot use that email.'));
 512                 }
 513
 514                 // Disallow somebody creating an account using openid that uses the admin email address,
 515                 // since openid bypasses email verification. We'll allow it if there is not yet an admin account.
 516                 if (Config::get('config', 'admin_email') && strlen($openid_url)) {
 517                         $adminlist = explode(',', str_replace(' ', '', strtolower(Config::get('config', 'admin_email'))));
 518                         if (in_array(strtolower($email), $adminlist)) {
 519                                 throw new Exception(L10n::t('Cannot use that email.'));
 520                         }
 521                 }
 522
 523                 $nickname = $data['nickname'] = strtolower($nickname);
 524
 525                 if (!preg_match('/^[a-z0-9][a-z0-9\_]*$/', $nickname)) {
 526                         throw new Exception(L10n::t('Your nickname can only contain a-z, 0-9 and _.'));
 527                 }
 528
 529                 // Check existing and deleted accounts for this nickname.
 530                 if (DBA::exists('user', ['nickname' => $nickname])
 531                         || DBA::exists('userd', ['username' => $nickname])
 532                 ) {
 533                         throw new Exception(L10n::t('Nickname is already registered. Please choose another.'));
 534                 }
 535
 536                 $new_password = strlen($password) ? $password : User::generateNewPassword();
 537                 $new_password_encoded = self::hashPassword($new_password);
 538
 539                 $return['password'] = $new_password;
 540
 541                 $keys = Crypto::newKeypair(4096);
 542                 if ($keys === false) {
 543                         throw new Exception(L10n::t('SERIOUS ERROR: Generation of security keys failed.'));
 544                 }
 545
 546                 $prvkey = $keys['prvkey'];
 547                 $pubkey = $keys['pubkey'];
 548
 549                 // Create another keypair for signing/verifying salmon protocol messages.
 550                 $sres = Crypto::newKeypair(512);
 551                 $sprvkey = $sres['prvkey'];
 552                 $spubkey = $sres['pubkey'];
 553
 554                 $insert_result = DBA::insert('user', [
 555                         'guid'     => System::createUUID(),
 556                         'username' => $username,
 557                         'password' => $new_password_encoded,
 558                         'email'    => $email,
 559                         'openid'   => $openid_url,
 560                         'nickname' => $nickname,
 561                         'pubkey'   => $pubkey,
 562                         'prvkey'   => $prvkey,
 563                         'spubkey'  => $spubkey,
 564                         'sprvkey'  => $sprvkey,
 565                         'verified' => $verified,
 566                         'blocked'  => $blocked,
 567                         'language' => $language,
 568                         'timezone' => 'UTC',
 569                         'register_date' => DateTimeFormat::utcNow(),
 570                         'default-location' => ''
 571                 ]);
 572
 573                 if ($insert_result) {
 574                         $uid = DBA::lastInsertId();
 575                         $user = DBA::selectFirst('user', [], ['uid' => $uid]);
 576                 } else {
 577                         throw new Exception(L10n::t('An error occurred during registration. Please try again.'));
 578                 }
 579
 580                 if (!$uid) {
 581                         throw new Exception(L10n::t('An error occurred during registration. Please try again.'));
 582                 }
 583
 584                 // if somebody clicked submit twice very quickly, they could end up with two accounts
 585                 // due to race condition. Remove this one.
 586                 $user_count = DBA::count('user', ['nickname' => $nickname]);
 587                 if ($user_count > 1) {
 588                         DBA::delete('user', ['uid' => $uid]);
 589
 590                         throw new Exception(L10n::t('Nickname is already registered. Please choose another.'));
 591                 }
 592
 593                 $insert_result = DBA::insert('profile', [
 594                         'uid' => $uid,
 595                         'name' => $username,
 596                         'photo' => System::baseUrl() . "/photo/profile/{$uid}.jpg",
 597                         'thumb' => System::baseUrl() . "/photo/avatar/{$uid}.jpg",
 598                         'publish' => $publish,
 599                         'is-default' => 1,
 600                         'net-publish' => $netpublish,
 601                         'profile-name' => L10n::t('default')
 602                 ]);
 603                 if (!$insert_result) {
 604                         DBA::delete('user', ['uid' => $uid]);
 605
 606                         throw new Exception(L10n::t('An error occurred creating your default profile. Please try again.'));
 607                 }
 608
 609                 // Create the self contact
 610                 if (!Contact::createSelfFromUserId($uid)) {
 611                         DBA::delete('user', ['uid' => $uid]);
 612
 613                         throw new Exception(L10n::t('An error occurred creating your self contact. Please try again.'));
 614                 }
 615
 616                 // Create a group with no members. This allows somebody to use it
 617                 // right away as a default group for new contacts.
 618                 $def_gid = Group::create($uid, L10n::t('Friends'));
 619                 if (!$def_gid) {
 620                         DBA::delete('user', ['uid' => $uid]);
 621
 622                         throw new Exception(L10n::t('An error occurred creating your default contact group. Please try again.'));
 623                 }
 624
 625                 $fields = ['def_gid' => $def_gid];
 626                 if (Config::get('system', 'newuser_private') && $def_gid) {
 627                         $fields['allow_gid'] = '<' . $def_gid . '>';
 628                 }
 629
 630                 DBA::update('user', $fields, ['uid' => $uid]);
 631
 632                 // if we have no OpenID photo try to look up an avatar
 633                 if (!strlen($photo)) {
 634                         $photo = Network::lookupAvatarByEmail($email);
 635                 }
 636
 637                 // unless there is no avatar-addon loaded
 638                 if (strlen($photo)) {
 639                         $photo_failure = false;
 640
 641                         $filename = basename($photo);
 642                         $img_str = Network::fetchUrl($photo, true);
 643                         // guess mimetype from headers or filename
 644                         $type = Image::guessType($photo, true);
 645
 646                         $Image = new Image($img_str, $type);
 647                         if ($Image->isValid()) {
 648                                 $Image->scaleToSquare(300);
 649
 650                                 $hash = Photo::newResource();
 651
 652                                 $r = Photo::store($Image, $uid, 0, $hash, $filename, L10n::t('Profile Photos'), 4);
 653
 654                                 if ($r === false) {
 655                                         $photo_failure = true;
 656                                 }
 657
 658                                 $Image->scaleDown(80);
 659
 660                                 $r = Photo::store($Image, $uid, 0, $hash, $filename, L10n::t('Profile Photos'), 5);
 661
 662                                 if ($r === false) {
 663                                         $photo_failure = true;
 664                                 }
 665
 666                                 $Image->scaleDown(48);
 667
 668                                 $r = Photo::store($Image, $uid, 0, $hash, $filename, L10n::t('Profile Photos'), 6);
 669
 670                                 if ($r === false) {
 671                                         $photo_failure = true;
 672                                 }
 673
 674                                 if (!$photo_failure) {
 675                                         DBA::update('photo', ['profile' => 1], ['resource-id' => $hash]);
 676                                 }
 677                         }
 678                 }
 679
 680                 Addon::callHooks('register_account', $uid);
 681
 682                 $return['user'] = $user;
 683                 return $return;
 684         }
 685
 686         /**
 687          * @brief Sends pending registration confirmation email
 688          *
 689          * @param array  $user     User record array
 690          * @param string $sitename
 691          * @param string $siteurl
 692          * @param string $password Plaintext password
 693          * @return NULL|boolean from notification() and email() inherited
 694          */
 695         public static function sendRegisterPendingEmail($user, $sitename, $siteurl, $password)
 696         {
 697                 $body = Strings::deindent(L10n::t('
 698                         Dear %1$s,
 699                                 Thank you for registering at %2$s. Your account is pending for approval by the administrator.
 700
 701                         Your login details are as follows:
 702
 703                         Site Location:  %3$s
 704                         Login Name:             %4$s
 705                         Password:               %5$s
 706                 ',
 707                         $user['username'], $sitename, $siteurl, $user['nickname'], $password
 708                 ));
 709
 710                 return notification([
 711                         'type'     => SYSTEM_EMAIL,
 712                         'uid'      => $user['uid'],
 713                         'to_email' => $user['email'],
 714                         'subject'  => L10n::t('Registration at %s', $sitename),
 715                         'body'     => $body
 716                 ]);
 717         }
 718
 719         /**
 720          * @brief Sends registration confirmation
 721          *
 722          * It's here as a function because the mail is sent from different parts
 723          *
 724          * @param array  $user     User record array
 725          * @param string $sitename
 726          * @param string $siteurl
 727          * @param string $password Plaintext password
 728          * @return NULL|boolean from notification() and email() inherited
 729          */
 730         public static function sendRegisterOpenEmail($user, $sitename, $siteurl, $password)
 731         {
 732                 $preamble = Strings::deindent(L10n::t('
 733                         Dear %1$s,
 734                                 Thank you for registering at %2$s. Your account has been created.
 735                 ',
 736                         $user['username'], $sitename
 737                 ));
 738                 $body = Strings::deindent(L10n::t('
 739                         The login details are as follows:
 740
 741                         Site Location:  %3$s
 742                         Login Name:             %1$s
 743                         Password:               %5$s
 744
 745                         You may change your password from your account "Settings" page after logging
 746                         in.
 747
 748                         Please take a few moments to review the other account settings on that page.
 749
 750                         You may also wish to add some basic information to your default profile
 751                         ' . "\x28" . 'on the "Profiles" page' . "\x29" . ' so that other people can easily find you.
 752
 753                         We recommend setting your full name, adding a profile photo,
 754                         adding some profile "keywords" ' . "\x28" . 'very useful in making new friends' . "\x29" . ' - and
 755                         perhaps what country you live in; if you do not wish to be more specific
 756                         than that.
 757
 758                         We fully respect your right to privacy, and none of these items are necessary.
 759                         If you are new and do not know anybody here, they may help
 760                         you to make some new and interesting friends.
 761
 762                         If you ever want to delete your account, you can do so at %3$s/removeme
 763
 764                         Thank you and welcome to %2$s.',
 765                         $user['email'], $sitename, $siteurl, $user['username'], $password
 766                 ));
 767
 768                 return notification([
 769                         'uid'      => $user['uid'],
 770                         'language' => $user['language'],
 771                         'type'     => SYSTEM_EMAIL,
 772                         'to_email' => $user['email'],
 773                         'subject'  => L10n::t('Registration details for %s', $sitename),
 774                         'preamble' => $preamble,
 775                         'body'     => $body
 776                 ]);
 777         }
 778
 779         /**
 780          * @param object $uid user to remove
 781          * @return void
 782          */
 783         public static function remove($uid)
 784         {
 785                 if (!$uid) {
 786                         return false;
 787                 }
 788
 789                 $a = get_app();
 790
 791                 Logger::log('Removing user: ' . $uid);
 792
 793                 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
 794
 795                 Hook::callAll('remove_user', $user);
 796
 797                 // save username (actually the nickname as it is guaranteed
 798                 // unique), so it cannot be re-registered in the future.
 799                 DBA::insert('userd', ['username' => $user['nickname']]);
 800
 801                 // The user and related data will be deleted in "cron_expire_and_remove_users" (cronjobs.php)
 802                 DBA::update('user', ['account_removed' => true, 'account_expires_on' => DateTimeFormat::utc('now + 7 day')], ['uid' => $uid]);
 803                 Worker::add(PRIORITY_HIGH, 'Notifier', 'removeme', $uid);
 804
 805                 // Send an update to the directory
 806                 $self = DBA::selectFirst('contact', ['url'], ['uid' => $uid, 'self' => true]);
 807                 Worker::add(PRIORITY_LOW, 'Directory', $self['url']);
 808
 809                 // Remove the user relevant data
 810                 Worker::add(PRIORITY_LOW, 'RemoveUser', $uid);
 811
 812                 return true;
 813         }
 814
 815         /**
 816          * Return all identities to a user
 817          *
 818          * @param int $uid The user id
 819          * @return array All identities for this user
 820          *
 821          * Example for a return:
 822          *      [
 823          *              [
 824          *                      'uid' => 1,
 825          *                      'username' => 'maxmuster',
 826          *                      'nickname' => 'Max Mustermann'
 827          *              ],
 828          *              [
 829          *                      'uid' => 2,
 830          *                      'username' => 'johndoe',
 831          *                      'nickname' => 'John Doe'
 832          *              ]
 833          *      ]
 834          */
 835         public static function identities($uid)
 836         {
 837                 $identities = [];
 838
 839                 $user = DBA::selectFirst('user', ['uid', 'nickname', 'username', 'parent-uid'], ['uid' => $uid]);
 840                 if (!DBA::isResult($user)) {
 841                         return $identities;
 842                 }
 843
 844                 if ($user['parent-uid'] == 0) {
 845                         // First add our own entry
 846                         $identities = [['uid' => $user['uid'],
 847                                 'username' => $user['username'],
 848                                 'nickname' => $user['nickname']]];
 849
 850                         // Then add all the children
 851                         $r = DBA::select('user', ['uid', 'username', 'nickname'],
 852                                 ['parent-uid' => $user['uid'], 'account_removed' => false]);
 853                         if (DBA::isResult($r)) {
 854                                 $identities = array_merge($identities, DBA::toArray($r));
 855                         }
 856                 } else {
 857                         // First entry is our parent
 858                         $r = DBA::select('user', ['uid', 'username', 'nickname'],
 859                                 ['uid' => $user['parent-uid'], 'account_removed' => false]);
 860                         if (DBA::isResult($r)) {
 861                                 $identities = DBA::toArray($r);
 862                         }
 863
 864                         // Then add all siblings
 865                         $r = DBA::select('user', ['uid', 'username', 'nickname'],
 866                                 ['parent-uid' => $user['parent-uid'], 'account_removed' => false]);
 867                         if (DBA::isResult($r)) {
 868                                 $identities = array_merge($identities, DBA::toArray($r));
 869                         }
 870                 }
 871
 872                 $r = DBA::p("SELECT `user`.`uid`, `user`.`username`, `user`.`nickname`
 873                         FROM `manage`
 874                         INNER JOIN `user` ON `manage`.`mid` = `user`.`uid`
 875                         WHERE `user`.`account_removed` = 0 AND `manage`.`uid` = ?",
 876                         $user['uid']
 877                 );
 878                 if (DBA::isResult($r)) {
 879                         $identities = array_merge($identities, DBA::toArray($r));
 880                 }
 881
 882                 return $identities;
 883         }
 884 }