]> git.mxchange.org Git - friendica.git/blobdiff - src/Model/User.php
Merge pull request #5193 from annando/dbstructure
[friendica.git] / src / Model / User.php
index bbe424ecbc3530334c082f36e3bb7093c274f516..39c544c3a8786f62053093ec1c4ff734d5eb4c4f 100644 (file)
@@ -1,14 +1,14 @@
 <?php
 <?php
-
 /**
  * @file src/Model/User.php
  * @brief This file includes the User class with user related database functions
  */
 /**
  * @file src/Model/User.php
  * @brief This file includes the User class with user related database functions
  */
-
 namespace Friendica\Model;
 
 namespace Friendica\Model;
 
+use DivineOmega\PasswordExposed\PasswordStatus;
 use Friendica\Core\Addon;
 use Friendica\Core\Config;
 use Friendica\Core\Addon;
 use Friendica\Core\Config;
+use Friendica\Core\L10n;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
@@ -18,15 +18,16 @@ use Friendica\Model\Group;
 use Friendica\Model\Photo;
 use Friendica\Object\Image;
 use Friendica\Util\Crypto;
 use Friendica\Model\Photo;
 use Friendica\Object\Image;
 use Friendica\Util\Crypto;
+use Friendica\Util\DateTimeFormat;
+use Friendica\Util\Network;
 use dba;
 use Exception;
 use dba;
 use Exception;
+use LightOpenID;
+use function password_exposed;
 
 require_once 'boot.php';
 require_once 'include/dba.php';
 require_once 'include/enotify.php';
 
 require_once 'boot.php';
 require_once 'include/dba.php';
 require_once 'include/enotify.php';
-require_once 'include/network.php';
-require_once 'library/openid.php';
-require_once 'include/pgettext.php';
 require_once 'include/text.php';
 /**
  * @brief This class handles User related functions
 require_once 'include/text.php';
 /**
  * @brief This class handles User related functions
@@ -95,64 +96,54 @@ class User
 
 
        /**
 
 
        /**
-        * @brief Authenticate a user with a clear text password
-        *
-        * User info can be any of the following:
-        * - User DB object
-        * - User Id
-        * - User email or username or nickname
-        * - User array with at least the uid and the hashed password
+        * Authenticate a user with a clear text password
         *
         *
+        * @brief Authenticate a user with a clear text password
         * @param mixed $user_info
         * @param string $password
         * @param mixed $user_info
         * @param string $password
-        * @return boolean
+        * @return int|boolean
+        * @deprecated since version 3.6
+        * @see User::getIdFromPasswordAuthentication()
         */
        public static function authenticate($user_info, $password)
        {
         */
        public static function authenticate($user_info, $password)
        {
-               if (is_object($user_info)) {
-                       $user = (array) $user_info;
-               } elseif (is_int($user_info)) {
-                       $user = dba::selectFirst('user', ['uid', 'password', 'legacy_password'],
-                               [
-                                       'uid' => $user_info,
-                                       'blocked' => 0,
-                                       'account_expired' => 0,
-                                       'account_removed' => 0,
-                                       'verified' => 1
-                               ]
-                       );
-               } elseif (is_string($user_info)) {
-                       $user = dba::fetch_first('SELECT `uid`, `password`, `legacy_password`
-                               FROM `user`
-                               WHERE (`email` = ? OR `username` = ? OR `nickname` = ?)
-                               AND `blocked` = 0
-                               AND `account_expired` = 0
-                               AND `account_removed` = 0
-                               AND `verified` = 1
-                               LIMIT 1',
-                               $user_info,
-                               $user_info,
-                               $user_info
-                       );
-               } else {
-                       $user = $user_info;
+               try {
+                       return self::getIdFromPasswordAuthentication($user_info, $password);
+               } catch (Exception $ex) {
+                       return false;
                }
                }
+       }
 
 
-               if (!DBM::is_result($user)
-                       || !isset($user['uid'])
-                       || !isset($user['password'])
-                       || !isset($user['legacy_password'])
-               ) {
-                       throw new Exception('Not enough information to authenticate');
-               }
+       /**
+        * Returns the user id associated with a successful password authentication
+        *
+        * @brief Authenticate a user with a clear text password
+        * @param mixed $user_info
+        * @param string $password
+        * @return int User Id if authentication is successful
+        * @throws Exception
+        */
+       public static function getIdFromPasswordAuthentication($user_info, $password)
+       {
+               $user = self::getAuthenticationInfo($user_info);
 
 
-               if ($user['legacy_password']) {
+               if (strpos($user['password'], '$') === false) {
+                       //Legacy hash that has not been replaced by a new hash yet
+                       if (self::hashPasswordLegacy($password) === $user['password']) {
+                               self::updatePassword($user['uid'], $password);
+
+                               return $user['uid'];
+                       }
+               } elseif (!empty($user['legacy_password'])) {
+                       //Legacy hash that has been double-hashed and not replaced by a new hash yet
+                       //Warning: `legacy_password` is not necessary in sync with the content of `password`
                        if (password_verify(self::hashPasswordLegacy($password), $user['password'])) {
                                self::updatePassword($user['uid'], $password);
 
                                return $user['uid'];
                        }
                } elseif (password_verify($password, $user['password'])) {
                        if (password_verify(self::hashPasswordLegacy($password), $user['password'])) {
                                self::updatePassword($user['uid'], $password);
 
                                return $user['uid'];
                        }
                } elseif (password_verify($password, $user['password'])) {
+                       //New password hash
                        if (password_needs_rehash($user['password'], PASSWORD_DEFAULT)) {
                                self::updatePassword($user['uid'], $password);
                        }
                        if (password_needs_rehash($user['password'], PASSWORD_DEFAULT)) {
                                self::updatePassword($user['uid'], $password);
                        }
@@ -160,7 +151,71 @@ class User
                        return $user['uid'];
                }
 
                        return $user['uid'];
                }
 
-               return false;
+               throw new Exception(L10n::t('Login failed'));
+       }
+
+       /**
+        * Returns authentication info from various parameters types
+        *
+        * User info can be any of the following:
+        * - User DB object
+        * - User Id
+        * - User email or username or nickname
+        * - User array with at least the uid and the hashed password
+        *
+        * @param mixed $user_info
+        * @return array
+        * @throws Exception
+        */
+       private static function getAuthenticationInfo($user_info)
+       {
+               $user = null;
+
+               if (is_object($user_info) || is_array($user_info)) {
+                       if (is_object($user_info)) {
+                               $user = (array) $user_info;
+                       } else {
+                               $user = $user_info;
+                       }
+
+                       if (!isset($user['uid'])
+                               || !isset($user['password'])
+                               || !isset($user['legacy_password'])
+                       ) {
+                               throw new Exception(L10n::t('Not enough information to authenticate'));
+                       }
+               } elseif (is_int($user_info) || is_string($user_info)) {
+                       if (is_int($user_info)) {
+                               $user = dba::selectFirst('user', ['uid', 'password', 'legacy_password'],
+                                       [
+                                               'uid' => $user_info,
+                                               'blocked' => 0,
+                                               'account_expired' => 0,
+                                               'account_removed' => 0,
+                                               'verified' => 1
+                                       ]
+                               );
+                       } else {
+                               $user = dba::fetch_first('SELECT `uid`, `password`, `legacy_password`
+                                       FROM `user`
+                                       WHERE (`email` = ? OR `username` = ? OR `nickname` = ?)
+                                       AND `blocked` = 0
+                                       AND `account_expired` = 0
+                                       AND `account_removed` = 0
+                                       AND `verified` = 1
+                                       LIMIT 1',
+                                       $user_info,
+                                       $user_info,
+                                       $user_info
+                               );
+                       }
+
+                       if (!DBM::is_result($user)) {
+                               throw new Exception(L10n::t('User not found'));
+                       }
+               }
+
+               return $user;
        }
 
        /**
        }
 
        /**
@@ -173,6 +228,17 @@ class User
                return autoname(6) . mt_rand(100, 9999);
        }
 
                return autoname(6) . mt_rand(100, 9999);
        }
 
+       /**
+        * Checks if the provided plaintext password has been exposed or not
+        *
+        * @param string $password
+        * @return bool
+        */
+       public static function isPasswordExposed($password)
+       {
+               return password_exposed($password) === PasswordStatus::EXPOSED;
+       }
+
        /**
         * Legacy hashing function, kept for password migration purposes
         *
        /**
         * Legacy hashing function, kept for password migration purposes
         *
@@ -192,6 +258,10 @@ class User
         */
        public static function hashPassword($password)
        {
         */
        public static function hashPassword($password)
        {
+               if (!trim($password)) {
+                       throw new Exception(L10n::t('Password can\'t be empty'));
+               }
+
                return password_hash($password, PASSWORD_DEFAULT);
        }
 
                return password_hash($password, PASSWORD_DEFAULT);
        }
 
@@ -261,35 +331,36 @@ class User
                $confirm    = x($data, 'confirm')    ? trim($data['confirm'])            : '';
                $blocked    = x($data, 'blocked')    ? intval($data['blocked'])          : 0;
                $verified   = x($data, 'verified')   ? intval($data['verified'])         : 0;
                $confirm    = x($data, 'confirm')    ? trim($data['confirm'])            : '';
                $blocked    = x($data, 'blocked')    ? intval($data['blocked'])          : 0;
                $verified   = x($data, 'verified')   ? intval($data['verified'])         : 0;
+               $language   = x($data, 'language')   ? notags(trim($data['language'])) : 'en';
 
                $publish = x($data, 'profile_publish_reg') && intval($data['profile_publish_reg']) ? 1 : 0;
                $netpublish = strlen(Config::get('system', 'directory')) ? $publish : 0;
 
                if ($password1 != $confirm) {
 
                $publish = x($data, 'profile_publish_reg') && intval($data['profile_publish_reg']) ? 1 : 0;
                $netpublish = strlen(Config::get('system', 'directory')) ? $publish : 0;
 
                if ($password1 != $confirm) {
-                       throw new Exception(t('Passwords do not match. Password unchanged.'));
+                       throw new Exception(L10n::t('Passwords do not match. Password unchanged.'));
                } elseif ($password1 != '') {
                        $password = $password1;
                }
 
                if ($using_invites) {
                        if (!$invite_id) {
                } elseif ($password1 != '') {
                        $password = $password1;
                }
 
                if ($using_invites) {
                        if (!$invite_id) {
-                               throw new Exception(t('An invitation is required.'));
+                               throw new Exception(L10n::t('An invitation is required.'));
                        }
 
                        if (!dba::exists('register', ['hash' => $invite_id])) {
                        }
 
                        if (!dba::exists('register', ['hash' => $invite_id])) {
-                               throw new Exception(t('Invitation could not be verified.'));
+                               throw new Exception(L10n::t('Invitation could not be verified.'));
                        }
                }
 
                if (!x($username) || !x($email) || !x($nickname)) {
                        if ($openid_url) {
                        }
                }
 
                if (!x($username) || !x($email) || !x($nickname)) {
                        if ($openid_url) {
-                               if (!validate_url($openid_url)) {
-                                       throw new Exception(t('Invalid OpenID url'));
+                               if (!Network::isUrlValid($openid_url)) {
+                                       throw new Exception(L10n::t('Invalid OpenID url'));
                                }
                                $_SESSION['register'] = 1;
                                $_SESSION['openid'] = $openid_url;
 
                                }
                                $_SESSION['register'] = 1;
                                $_SESSION['openid'] = $openid_url;
 
-                               $openid = new \LightOpenID;
+                               $openid = new LightOpenID($a->get_hostname());
                                $openid->identity = $openid_url;
                                $openid->returnUrl = System::baseUrl() . '/openid';
                                $openid->required = ['namePerson/friendly', 'contact/email', 'namePerson'];
                                $openid->identity = $openid_url;
                                $openid->returnUrl = System::baseUrl() . '/openid';
                                $openid->required = ['namePerson/friendly', 'contact/email', 'namePerson'];
@@ -297,16 +368,16 @@ class User
                                try {
                                        $authurl = $openid->authUrl();
                                } catch (Exception $e) {
                                try {
                                        $authurl = $openid->authUrl();
                                } catch (Exception $e) {
-                                       throw new Exception(t('We encountered a problem while logging in with the OpenID you provided. Please check the correct spelling of the ID.') . EOL . EOL . t('The error message was:') . $e->getMessage(), 0, $e);
+                                       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, $e);
                                }
                                goaway($authurl);
                                // NOTREACHED
                        }
 
                                }
                                goaway($authurl);
                                // NOTREACHED
                        }
 
-                       throw new Exception(t('Please enter the required information.'));
+                       throw new Exception(L10n::t('Please enter the required information.'));
                }
 
                }
 
-               if (!validate_url($openid_url)) {
+               if (!Network::isUrlValid($openid_url)) {
                        $openid_url = '';
                }
 
                        $openid_url = '';
                }
 
@@ -316,10 +387,10 @@ class User
                $username = preg_replace('/ +/', ' ', $username);
 
                if (mb_strlen($username) > 48) {
                $username = preg_replace('/ +/', ' ', $username);
 
                if (mb_strlen($username) > 48) {
-                       throw new Exception(t('Please use a shorter name.'));
+                       throw new Exception(L10n::t('Please use a shorter name.'));
                }
                if (mb_strlen($username) < 3) {
                }
                if (mb_strlen($username) < 3) {
-                       throw new Exception(t('Name too short.'));
+                       throw new Exception(L10n::t('Name too short.'));
                }
 
                // So now we are just looking for a space in the full name.
                }
 
                // So now we are just looking for a space in the full name.
@@ -327,20 +398,20 @@ class User
                if (!$loose_reg) {
                        $username = mb_convert_case($username, MB_CASE_TITLE, 'UTF-8');
                        if (!strpos($username, ' ')) {
                if (!$loose_reg) {
                        $username = mb_convert_case($username, MB_CASE_TITLE, 'UTF-8');
                        if (!strpos($username, ' ')) {
-                               throw new Exception(t("That doesn't appear to be your full \x28First Last\x29 name."));
+                               throw new Exception(L10n::t("That doesn't appear to be your full \x28First Last\x29 name."));
                        }
                }
 
                        }
                }
 
-               if (!allowed_email($email)) {
-                       throw new Exception(t('Your email domain is not among those allowed on this site.'));
+               if (!Network::isEmailDomainAllowed($email)) {
+                       throw new Exception(L10n::t('Your email domain is not among those allowed on this site.'));
                }
 
                }
 
-               if (!valid_email($email) || !validate_email($email)) {
-                       throw new Exception(t('Not a valid email address.'));
+               if (!valid_email($email) || !Network::isEmailDomainValid($email)) {
+                       throw new Exception(L10n::t('Not a valid email address.'));
                }
 
                }
 
-               if (dba::exists('user', ['email' => $email])) {
-                       throw new Exception(t('Cannot use that email.'));
+               if (Config::get('system', 'block_extended_register', false) && dba::exists('user', ['email' => $email])) {
+                       throw new Exception(L10n::t('Cannot use that email.'));
                }
 
                // Disallow somebody creating an account using openid that uses the admin email address,
                }
 
                // Disallow somebody creating an account using openid that uses the admin email address,
@@ -348,21 +419,21 @@ class User
                if (x($a->config, 'admin_email') && strlen($openid_url)) {
                        $adminlist = explode(',', str_replace(' ', '', strtolower($a->config['admin_email'])));
                        if (in_array(strtolower($email), $adminlist)) {
                if (x($a->config, 'admin_email') && strlen($openid_url)) {
                        $adminlist = explode(',', str_replace(' ', '', strtolower($a->config['admin_email'])));
                        if (in_array(strtolower($email), $adminlist)) {
-                               throw new Exception(t('Cannot use that email.'));
+                               throw new Exception(L10n::t('Cannot use that email.'));
                        }
                }
 
                $nickname = $data['nickname'] = strtolower($nickname);
 
                if (!preg_match('/^[a-z0-9][a-z0-9\_]*$/', $nickname)) {
                        }
                }
 
                $nickname = $data['nickname'] = strtolower($nickname);
 
                if (!preg_match('/^[a-z0-9][a-z0-9\_]*$/', $nickname)) {
-                       throw new Exception(t('Your "nickname" can only contain "a-z", "0-9" and "_".'));
+                       throw new Exception(L10n::t('Your nickname can only contain a-z, 0-9 and _.'));
                }
 
                // Check existing and deleted accounts for this nickname.
                if (dba::exists('user', ['nickname' => $nickname])
                        || dba::exists('userd', ['username' => $nickname])
                ) {
                }
 
                // Check existing and deleted accounts for this nickname.
                if (dba::exists('user', ['nickname' => $nickname])
                        || dba::exists('userd', ['username' => $nickname])
                ) {
-                       throw new Exception(t('Nickname is already registered. Please choose another.'));
+                       throw new Exception(L10n::t('Nickname is already registered. Please choose another.'));
                }
 
                $new_password = strlen($password) ? $password : User::generateNewPassword();
                }
 
                $new_password = strlen($password) ? $password : User::generateNewPassword();
@@ -372,7 +443,7 @@ class User
 
                $keys = Crypto::newKeypair(4096);
                if ($keys === false) {
 
                $keys = Crypto::newKeypair(4096);
                if ($keys === false) {
-                       throw new Exception(t('SERIOUS ERROR: Generation of security keys failed.'));
+                       throw new Exception(L10n::t('SERIOUS ERROR: Generation of security keys failed.'));
                }
 
                $prvkey = $keys['prvkey'];
                }
 
                $prvkey = $keys['prvkey'];
@@ -396,8 +467,9 @@ class User
                        'sprvkey'  => $sprvkey,
                        'verified' => $verified,
                        'blocked'  => $blocked,
                        'sprvkey'  => $sprvkey,
                        'verified' => $verified,
                        'blocked'  => $blocked,
+                       'language' => $language,
                        'timezone' => 'UTC',
                        'timezone' => 'UTC',
-                       'register_date' => datetime_convert(),
+                       'register_date' => DateTimeFormat::utcNow(),
                        'default-location' => ''
                ]);
 
                        'default-location' => ''
                ]);
 
@@ -405,11 +477,11 @@ class User
                        $uid = dba::lastInsertId();
                        $user = dba::selectFirst('user', [], ['uid' => $uid]);
                } else {
                        $uid = dba::lastInsertId();
                        $user = dba::selectFirst('user', [], ['uid' => $uid]);
                } else {
-                       throw new Exception(t('An error occurred during registration. Please try again.'));
+                       throw new Exception(L10n::t('An error occurred during registration. Please try again.'));
                }
 
                if (!$uid) {
                }
 
                if (!$uid) {
-                       throw new Exception(t('An error occurred during registration. Please try again.'));
+                       throw new Exception(L10n::t('An error occurred during registration. Please try again.'));
                }
 
                // if somebody clicked submit twice very quickly, they could end up with two accounts
                }
 
                // if somebody clicked submit twice very quickly, they could end up with two accounts
@@ -418,7 +490,7 @@ class User
                if ($user_count > 1) {
                        dba::delete('user', ['uid' => $uid]);
 
                if ($user_count > 1) {
                        dba::delete('user', ['uid' => $uid]);
 
-                       throw new Exception(t('Nickname is already registered. Please choose another.'));
+                       throw new Exception(L10n::t('Nickname is already registered. Please choose another.'));
                }
 
                $insert_result = dba::insert('profile', [
                }
 
                $insert_result = dba::insert('profile', [
@@ -429,28 +501,28 @@ class User
                        'publish' => $publish,
                        'is-default' => 1,
                        'net-publish' => $netpublish,
                        'publish' => $publish,
                        'is-default' => 1,
                        'net-publish' => $netpublish,
-                       'profile-name' => t('default')
+                       'profile-name' => L10n::t('default')
                ]);
                if (!$insert_result) {
                        dba::delete('user', ['uid' => $uid]);
 
                ]);
                if (!$insert_result) {
                        dba::delete('user', ['uid' => $uid]);
 
-                       throw new Exception(t('An error occurred creating your default profile. Please try again.'));
+                       throw new Exception(L10n::t('An error occurred creating your default profile. Please try again.'));
                }
 
                // Create the self contact
                if (!Contact::createSelfFromUserId($uid)) {
                        dba::delete('user', ['uid' => $uid]);
 
                }
 
                // Create the self contact
                if (!Contact::createSelfFromUserId($uid)) {
                        dba::delete('user', ['uid' => $uid]);
 
-                       throw new Exception(t('An error occurred creating your self contact. Please try again.'));
+                       throw new Exception(L10n::t('An error occurred creating your self contact. Please try again.'));
                }
 
                // Create a group with no members. This allows somebody to use it
                // right away as a default group for new contacts.
                }
 
                // Create a group with no members. This allows somebody to use it
                // right away as a default group for new contacts.
-               $def_gid = Group::create($uid, t('Friends'));
+               $def_gid = Group::create($uid, L10n::t('Friends'));
                if (!$def_gid) {
                        dba::delete('user', ['uid' => $uid]);
 
                if (!$def_gid) {
                        dba::delete('user', ['uid' => $uid]);
 
-                       throw new Exception(t('An error occurred creating your default contact group. Please try again.'));
+                       throw new Exception(L10n::t('An error occurred creating your default contact group. Please try again.'));
                }
 
                $fields = ['def_gid' => $def_gid];
                }
 
                $fields = ['def_gid' => $def_gid];
@@ -462,7 +534,7 @@ class User
 
                // if we have no OpenID photo try to look up an avatar
                if (!strlen($photo)) {
 
                // if we have no OpenID photo try to look up an avatar
                if (!strlen($photo)) {
-                       $photo = avatar_img($email);
+                       $photo = Network::lookupAvatarByEmail($email);
                }
 
                // unless there is no avatar-addon loaded
                }
 
                // unless there is no avatar-addon loaded
@@ -470,7 +542,7 @@ class User
                        $photo_failure = false;
 
                        $filename = basename($photo);
                        $photo_failure = false;
 
                        $filename = basename($photo);
-                       $img_str = fetch_url($photo, true);
+                       $img_str = Network::fetchUrl($photo, true);
                        // guess mimetype from headers or filename
                        $type = Image::guessType($photo, true);
 
                        // guess mimetype from headers or filename
                        $type = Image::guessType($photo, true);
 
@@ -478,9 +550,9 @@ class User
                        if ($Image->isValid()) {
                                $Image->scaleToSquare(175);
 
                        if ($Image->isValid()) {
                                $Image->scaleToSquare(175);
 
-                               $hash = photo_new_resource();
+                               $hash = Photo::newResource();
 
 
-                               $r = Photo::store($Image, $uid, 0, $hash, $filename, t('Profile Photos'), 4);
+                               $r = Photo::store($Image, $uid, 0, $hash, $filename, L10n::t('Profile Photos'), 4);
 
                                if ($r === false) {
                                        $photo_failure = true;
 
                                if ($r === false) {
                                        $photo_failure = true;
@@ -488,7 +560,7 @@ class User
 
                                $Image->scaleDown(80);
 
 
                                $Image->scaleDown(80);
 
-                               $r = Photo::store($Image, $uid, 0, $hash, $filename, t('Profile Photos'), 5);
+                               $r = Photo::store($Image, $uid, 0, $hash, $filename, L10n::t('Profile Photos'), 5);
 
                                if ($r === false) {
                                        $photo_failure = true;
 
                                if ($r === false) {
                                        $photo_failure = true;
@@ -496,7 +568,7 @@ class User
 
                                $Image->scaleDown(48);
 
 
                                $Image->scaleDown(48);
 
-                               $r = Photo::store($Image, $uid, 0, $hash, $filename, t('Profile Photos'), 6);
+                               $r = Photo::store($Image, $uid, 0, $hash, $filename, L10n::t('Profile Photos'), 6);
 
                                if ($r === false) {
                                        $photo_failure = true;
 
                                if ($r === false) {
                                        $photo_failure = true;
@@ -524,7 +596,7 @@ class User
         */
        public static function sendRegisterPendingEmail($email, $sitename, $username)
        {
         */
        public static function sendRegisterPendingEmail($email, $sitename, $username)
        {
-               $body = deindent(t('
+               $body = deindent(L10n::t('
                        Dear %1$s,
                                Thank you for registering at %2$s. Your account is pending for approval by the administrator.
                '));
                        Dear %1$s,
                                Thank you for registering at %2$s. Your account is pending for approval by the administrator.
                '));
@@ -534,7 +606,7 @@ class User
                return notification([
                        'type' => SYSTEM_EMAIL,
                        'to_email' => $email,
                return notification([
                        'type' => SYSTEM_EMAIL,
                        'to_email' => $email,
-                       'subject'=> sprintf( t('Registration at %s'), $sitename),
+                       'subject'=> L10n::t('Registration at %s', $sitename),
                        'body' => $body]);
        }
 
                        'body' => $body]);
        }
 
@@ -552,15 +624,16 @@ class User
         */
        public static function sendRegisterOpenEmail($email, $sitename, $siteurl, $username, $password)
        {
         */
        public static function sendRegisterOpenEmail($email, $sitename, $siteurl, $username, $password)
        {
-               $preamble = deindent(t('
+               $preamble = deindent(L10n::t('
                        Dear %1$s,
                                Thank you for registering at %2$s. Your account has been created.
                '));
                        Dear %1$s,
                                Thank you for registering at %2$s. Your account has been created.
                '));
-               $body = deindent(t('
+               $body = deindent(L10n::t('
                        The login details are as follows:
                        The login details are as follows:
-                               Site Location:  %3$s
-                               Login Name:     %1$s
-                               Password:       %5$s
+
+                       Site Location:  %3$s
+                       Login Name:             %1$s
+                       Password:               %5$s
 
                        You may change your password from your account "Settings" page after logging
                        in.
 
                        You may change your password from your account "Settings" page after logging
                        in.
@@ -568,10 +641,10 @@ class User
                        Please take a few moments to review the other account settings on that page.
 
                        You may also wish to add some basic information to your default profile
                        Please take a few moments to review the other account settings on that page.
 
                        You may also wish to add some basic information to your default profile
-                       (on the "Profiles" page) so that other people can easily find you.
+                       ' . "\x28" . 'on the "Profiles" page' . "\x29" . ' so that other people can easily find you.
 
                        We recommend setting your full name, adding a profile photo,
 
                        We recommend setting your full name, adding a profile photo,
-                       adding some profile "keywords" (very useful in making new friends) - and
+                       adding some profile "keywords" ' . "\x28" . 'very useful in making new friends' . "\x29" . ' - and
                        perhaps what country you live in; if you do not wish to be more specific
                        than that.
 
                        perhaps what country you live in; if you do not wish to be more specific
                        than that.
 
@@ -579,6 +652,7 @@ class User
                        If you are new and do not know anybody here, they may help
                        you to make some new and interesting friends.
 
                        If you are new and do not know anybody here, they may help
                        you to make some new and interesting friends.
 
+                       If you ever want to delete your account, you can do so at %3$s/removeme
 
                        Thank you and welcome to %2$s.'));
 
 
                        Thank you and welcome to %2$s.'));
 
@@ -588,7 +662,7 @@ class User
                return notification([
                        'type' => SYSTEM_EMAIL,
                        'to_email' => $email,
                return notification([
                        'type' => SYSTEM_EMAIL,
                        'to_email' => $email,
-                       'subject'=> sprintf( t('Registration details for %s'), $sitename),
+                       'subject'=> L10n::t('Registration details for %s', $sitename),
                        'preamble'=> $preamble,
                        'body' => $body]);
        }
                        'preamble'=> $preamble,
                        'body' => $body]);
        }
@@ -614,7 +688,7 @@ class User
                dba::insert('userd', ['username' => $user['nickname']]);
 
                // The user and related data will be deleted in "cron_expire_and_remove_users" (cronjobs.php)
                dba::insert('userd', ['username' => $user['nickname']]);
 
                // The user and related data will be deleted in "cron_expire_and_remove_users" (cronjobs.php)
-               dba::update('user', ['account_removed' => true, 'account_expires_on' => datetime_convert()], ['uid' => $uid]);
+               dba::update('user', ['account_removed' => true, 'account_expires_on' => DateTimeFormat::utcNow()], ['uid' => $uid]);
                Worker::add(PRIORITY_HIGH, "Notifier", "removeme", $uid);
 
                // Send an update to the directory
                Worker::add(PRIORITY_HIGH, "Notifier", "removeme", $uid);
 
                // Send an update to the directory