]> git.mxchange.org Git - friendica.git/blobdiff - src/Model/User.php
Improved definition style
[friendica.git] / src / Model / User.php
index b2b60d43627421251d6501e27373dd7181296e88..4ef5ffa33c05dba68c5b0698d58e357b79c58ba1 100644 (file)
@@ -1,25 +1,39 @@
 <?php
-
 /**
- * @file src/Model/User.php
- * @brief This file includes the User class with user related database functions
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
  */
 
 namespace Friendica\Model;
 
 use DivineOmega\PasswordExposed;
 use Exception;
-use Friendica\Core\Config;
+use Friendica\Content\Pager;
 use Friendica\Core\Hook;
 use Friendica\Core\L10n;
 use Friendica\Core\Logger;
-use Friendica\Core\PConfig;
 use Friendica\Core\Protocol;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\TwoFactor\AppSpecificPassword;
+use Friendica\Network\HTTPException\InternalServerErrorException;
 use Friendica\Object\Image;
 use Friendica\Util\Crypto;
 use Friendica\Util\DateTimeFormat;
@@ -30,7 +44,7 @@ use Friendica\Worker\Delivery;
 use LightOpenID;
 
 /**
- * @brief This class handles User related functions
+ * This class handles User related functions
  */
 class User
 {
@@ -139,7 +153,7 @@ class User
        }
 
        /**
-        * @brief Returns the user id of a given profile URL
+        * Returns the user id of a given profile URL
         *
         * @param string $url
         *
@@ -172,7 +186,7 @@ class User
        }
 
        /**
-        * @brief Get owner data by user id
+        * Get owner data by user id
         *
         * @param int $uid
         * @param boolean $check_valid Test if data is invalid and correct it
@@ -244,7 +258,7 @@ class User
        }
 
        /**
-        * @brief Get owner data by nick name
+        * Get owner data by nick name
         *
         * @param int $nick
         * @return boolean|array
@@ -262,20 +276,20 @@ class User
        }
 
        /**
-        * @brief Returns the default group for a given user and network
+        * Returns the default group for a given user and network
         *
         * @param int $uid User id
         * @param string $network network name
         *
         * @return int group id
-        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws InternalServerErrorException
         */
        public static function getDefaultGroup($uid, $network = '')
        {
                $default_group = 0;
 
                if ($network == Protocol::OSTATUS) {
-                       $default_group = PConfig::get($uid, "ostatus", "default_group");
+                       $default_group = DI::pConfig()->get($uid, "ostatus", "default_group");
                }
 
                if ($default_group != 0) {
@@ -295,7 +309,6 @@ class User
        /**
         * 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 bool   $third_party
@@ -313,9 +326,10 @@ class User
        }
 
        /**
+        * Authenticate a user with a clear text password
+        *
         * 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
         * @param bool   $third_party
@@ -326,7 +340,7 @@ class User
        {
                $user = self::getAuthenticationInfo($user_info);
 
-               if ($third_party && PConfig::get($user['uid'], '2fa', 'verified')) {
+               if ($third_party && DI::pConfig()->get($user['uid'], '2fa', 'verified')) {
                        // Third-party apps can't verify two-factor authentication, we use app-specific passwords instead
                        if (AppSpecificPassword::authenticateUser($user['uid'], $password)) {
                                return $user['uid'];
@@ -355,7 +369,7 @@ class User
                        return $user['uid'];
                }
 
-               throw new Exception(L10n::t('Login failed'));
+               throw new Exception(DI::l10n()->t('Login failed'));
        }
 
        /**
@@ -387,7 +401,7 @@ class User
                                || !isset($user['password'])
                                || !isset($user['legacy_password'])
                        ) {
-                               throw new Exception(L10n::t('Not enough information to authenticate'));
+                               throw new Exception(DI::l10n()->t('Not enough information to authenticate'));
                        }
                } elseif (is_int($user_info) || is_string($user_info)) {
                        if (is_int($user_info)) {
@@ -413,7 +427,7 @@ class User
                        }
 
                        if (!DBA::isResult($user)) {
-                               throw new Exception(L10n::t('User not found'));
+                               throw new Exception(DI::l10n()->t('User not found'));
                        }
                }
 
@@ -481,7 +495,7 @@ class User
        public static function hashPassword($password)
        {
                if (!trim($password)) {
-                       throw new Exception(L10n::t('Password can\'t be empty'));
+                       throw new Exception(DI::l10n()->t('Password can\'t be empty'));
                }
 
                return password_hash($password, PASSWORD_DEFAULT);
@@ -500,17 +514,17 @@ class User
                $password = trim($password);
 
                if (empty($password)) {
-                       throw new Exception(L10n::t('Empty passwords are not allowed.'));
+                       throw new Exception(DI::l10n()->t('Empty passwords are not allowed.'));
                }
 
-               if (!Config::get('system', 'disable_password_exposed', false) && self::isPasswordExposed($password)) {
-                       throw new Exception(L10n::t('The new password has been exposed in a public data dump, please choose another.'));
+               if (!DI::config()->get('system', 'disable_password_exposed', false) && self::isPasswordExposed($password)) {
+                       throw new Exception(DI::l10n()->t('The new password has been exposed in a public data dump, please choose another.'));
                }
 
                $allowed_characters = '!"#$%&\'()*+,-./;<=>?@[\]^_`{|}~';
 
                if (!preg_match('/^[a-z0-9' . preg_quote($allowed_characters, '/') . ']+$/i', $password)) {
-                       throw new Exception(L10n::t('The password can\'t contain accentuated letters, white spaces or colons (:)'));
+                       throw new Exception(DI::l10n()->t('The password can\'t contain accentuated letters, white spaces or colons (:)'));
                }
 
                return self::updatePasswordHashed($uid, self::hashPassword($password));
@@ -537,7 +551,7 @@ class User
        }
 
        /**
-        * @brief Checks if a nickname is in the list of the forbidden nicknames
+        * Checks if a nickname is in the list of the forbidden nicknames
         *
         * Check if a nickname is forbidden from registration on the node by the
         * admin. Forbidden nicknames (e.g. role namess) can be configured in the
@@ -545,11 +559,11 @@ class User
         *
         * @param string $nickname The nickname that should be checked
         * @return boolean True is the nickname is blocked on the node
-        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws InternalServerErrorException
         */
        public static function isNicknameBlocked($nickname)
        {
-               $forbidden_nicknames = Config::get('system', 'forbidden_nicknames', '');
+               $forbidden_nicknames = DI::config()->get('system', 'forbidden_nicknames', '');
 
                // if the config variable is empty return false
                if (empty($forbidden_nicknames)) {
@@ -568,7 +582,7 @@ class User
        }
 
        /**
-        * @brief Catch-all user creation function
+        * Catch-all user creation function
         *
         * Creates a user from the provided data array, either form fields or OpenID.
         * Required: { username, nickname, email } or { openid_url }
@@ -582,7 +596,7 @@ class User
         * @param  array $data
         * @return array
         * @throws \ErrorException
-        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws InternalServerErrorException
         * @throws \ImagickException
         * @throws Exception
         */
@@ -590,7 +604,7 @@ class User
        {
                $return = ['user' => null, 'password' => ''];
 
-               $using_invites = Config::get('system', 'invitation_only');
+               $using_invites = DI::config()->get('system', 'invitation_only');
 
                $invite_id  = !empty($data['invite_id'])  ? Strings::escapeTags(trim($data['invite_id']))  : '';
                $username   = !empty($data['username'])   ? Strings::escapeTags(trim($data['username']))   : '';
@@ -605,22 +619,21 @@ class User
                $verified   = !empty($data['verified']);
                $language   = !empty($data['language'])   ? Strings::escapeTags(trim($data['language']))   : 'en';
 
-               $publish = !empty($data['profile_publish_reg']);
-               $netpublish = $publish && Config::get('system', 'directory');
+               $netpublish = $publish = !empty($data['profile_publish_reg']);
 
                if ($password1 != $confirm) {
-                       throw new Exception(L10n::t('Passwords do not match. Password unchanged.'));
+                       throw new Exception(DI::l10n()->t('Passwords do not match. Password unchanged.'));
                } elseif ($password1 != '') {
                        $password = $password1;
                }
 
                if ($using_invites) {
                        if (!$invite_id) {
-                               throw new Exception(L10n::t('An invitation is required.'));
+                               throw new Exception(DI::l10n()->t('An invitation is required.'));
                        }
 
                        if (!Register::existsByHash($invite_id)) {
-                               throw new Exception(L10n::t('Invitation could not be verified.'));
+                               throw new Exception(DI::l10n()->t('Invitation could not be verified.'));
                        }
                }
 
@@ -628,7 +641,7 @@ class User
                if (empty($username) || empty($email) || empty($nickname)) {
                        if ($openid_url) {
                                if (!Network::isUrlValid($openid_url)) {
-                                       throw new Exception(L10n::t('Invalid OpenID url'));
+                                       throw new Exception(DI::l10n()->t('Invalid OpenID url'));
                                }
                                $_SESSION['register'] = 1;
                                $_SESSION['openid'] = $openid_url;
@@ -641,13 +654,13 @@ class User
                                try {
                                        $authurl = $openid->authUrl();
                                } catch (Exception $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);
+                                       throw new Exception(DI::l10n()->t('We encountered a problem while logging in with the OpenID you provided. Please check the correct spelling of the ID.') . EOL . EOL . DI::l10n()->t('The error message was:') . $e->getMessage(), 0, $e);
                                }
                                System::externalRedirect($authurl);
                                // NOTREACHED
                        }
 
-                       throw new Exception(L10n::t('Please enter the required information.'));
+                       throw new Exception(DI::l10n()->t('Please enter the required information.'));
                }
 
                if (!Network::isUrlValid($openid_url)) {
@@ -657,61 +670,61 @@ class User
                // collapse multiple spaces in name
                $username = preg_replace('/ +/', ' ', $username);
 
-               $username_min_length = max(1, min(64, intval(Config::get('system', 'username_min_length', 3))));
-               $username_max_length = max(1, min(64, intval(Config::get('system', 'username_max_length', 48))));
+               $username_min_length = max(1, min(64, intval(DI::config()->get('system', 'username_min_length', 3))));
+               $username_max_length = max(1, min(64, intval(DI::config()->get('system', 'username_max_length', 48))));
 
                if ($username_min_length > $username_max_length) {
-                       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);
+                       Logger::log(DI::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);
                        $tmp = $username_min_length;
                        $username_min_length = $username_max_length;
                        $username_max_length = $tmp;
                }
 
                if (mb_strlen($username) < $username_min_length) {
-                       throw new Exception(L10n::tt('Username should be at least %s character.', 'Username should be at least %s characters.', $username_min_length));
+                       throw new Exception(DI::l10n()->tt('Username should be at least %s character.', 'Username should be at least %s characters.', $username_min_length));
                }
 
                if (mb_strlen($username) > $username_max_length) {
-                       throw new Exception(L10n::tt('Username should be at most %s character.', 'Username should be at most %s characters.', $username_max_length));
+                       throw new Exception(DI::l10n()->tt('Username should be at most %s character.', 'Username should be at most %s characters.', $username_max_length));
                }
 
                // So now we are just looking for a space in the full name.
-               $loose_reg = Config::get('system', 'no_regfullname');
+               $loose_reg = DI::config()->get('system', 'no_regfullname');
                if (!$loose_reg) {
                        $username = mb_convert_case($username, MB_CASE_TITLE, 'UTF-8');
                        if (strpos($username, ' ') === false) {
-                               throw new Exception(L10n::t("That doesn't appear to be your full (First Last) name."));
+                               throw new Exception(DI::l10n()->t("That doesn't appear to be your full (First Last) name."));
                        }
                }
 
                if (!Network::isEmailDomainAllowed($email)) {
-                       throw new Exception(L10n::t('Your email domain is not among those allowed on this site.'));
+                       throw new Exception(DI::l10n()->t('Your email domain is not among those allowed on this site.'));
                }
 
                if (!filter_var($email, FILTER_VALIDATE_EMAIL) || !Network::isEmailDomainValid($email)) {
-                       throw new Exception(L10n::t('Not a valid email address.'));
+                       throw new Exception(DI::l10n()->t('Not a valid email address.'));
                }
                if (self::isNicknameBlocked($nickname)) {
-                       throw new Exception(L10n::t('The nickname was blocked from registration by the nodes admin.'));
+                       throw new Exception(DI::l10n()->t('The nickname was blocked from registration by the nodes admin.'));
                }
 
-               if (Config::get('system', 'block_extended_register', false) && DBA::exists('user', ['email' => $email])) {
-                       throw new Exception(L10n::t('Cannot use that email.'));
+               if (DI::config()->get('system', 'block_extended_register', false) && DBA::exists('user', ['email' => $email])) {
+                       throw new Exception(DI::l10n()->t('Cannot use that email.'));
                }
 
                // Disallow somebody creating an account using openid that uses the admin email address,
                // since openid bypasses email verification. We'll allow it if there is not yet an admin account.
-               if (Config::get('config', 'admin_email') && strlen($openid_url)) {
-                       $adminlist = explode(',', str_replace(' ', '', strtolower(Config::get('config', 'admin_email'))));
+               if (DI::config()->get('config', 'admin_email') && strlen($openid_url)) {
+                       $adminlist = explode(',', str_replace(' ', '', strtolower(DI::config()->get('config', 'admin_email'))));
                        if (in_array(strtolower($email), $adminlist)) {
-                               throw new Exception(L10n::t('Cannot use that email.'));
+                               throw new Exception(DI::l10n()->t('Cannot use that email.'));
                        }
                }
 
                $nickname = $data['nickname'] = strtolower($nickname);
 
                if (!preg_match('/^[a-z0-9][a-z0-9\_]*$/', $nickname)) {
-                       throw new Exception(L10n::t('Your nickname can only contain a-z, 0-9 and _.'));
+                       throw new Exception(DI::l10n()->t('Your nickname can only contain a-z, 0-9 and _.'));
                }
 
                // Check existing and deleted accounts for this nickname.
@@ -719,7 +732,7 @@ class User
                        DBA::exists('user', ['nickname' => $nickname])
                        || DBA::exists('userd', ['username' => $nickname])
                ) {
-                       throw new Exception(L10n::t('Nickname is already registered. Please choose another.'));
+                       throw new Exception(DI::l10n()->t('Nickname is already registered. Please choose another.'));
                }
 
                $new_password = strlen($password) ? $password : User::generateNewPassword();
@@ -729,7 +742,7 @@ class User
 
                $keys = Crypto::newKeypair(4096);
                if ($keys === false) {
-                       throw new Exception(L10n::t('SERIOUS ERROR: Generation of security keys failed.'));
+                       throw new Exception(DI::l10n()->t('SERIOUS ERROR: Generation of security keys failed.'));
                }
 
                $prvkey = $keys['prvkey'];
@@ -763,11 +776,11 @@ class User
                        $uid = DBA::lastInsertId();
                        $user = DBA::selectFirst('user', [], ['uid' => $uid]);
                } else {
-                       throw new Exception(L10n::t('An error occurred during registration. Please try again.'));
+                       throw new Exception(DI::l10n()->t('An error occurred during registration. Please try again.'));
                }
 
                if (!$uid) {
-                       throw new Exception(L10n::t('An error occurred during registration. Please try again.'));
+                       throw new Exception(DI::l10n()->t('An error occurred during registration. Please try again.'));
                }
 
                // if somebody clicked submit twice very quickly, they could end up with two accounts
@@ -776,7 +789,7 @@ class User
                if ($user_count > 1) {
                        DBA::delete('user', ['uid' => $uid]);
 
-                       throw new Exception(L10n::t('Nickname is already registered. Please choose another.'));
+                       throw new Exception(DI::l10n()->t('Nickname is already registered. Please choose another.'));
                }
 
                $insert_result = DBA::insert('profile', [
@@ -785,34 +798,32 @@ class User
                        'photo' => DI::baseUrl() . "/photo/profile/{$uid}.jpg",
                        'thumb' => DI::baseUrl() . "/photo/avatar/{$uid}.jpg",
                        'publish' => $publish,
-                       'is-default' => 1,
                        'net-publish' => $netpublish,
-                       'profile-name' => L10n::t('default')
                ]);
                if (!$insert_result) {
                        DBA::delete('user', ['uid' => $uid]);
 
-                       throw new Exception(L10n::t('An error occurred creating your default profile. Please try again.'));
+                       throw new Exception(DI::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]);
 
-                       throw new Exception(L10n::t('An error occurred creating your self contact. Please try again.'));
+                       throw new Exception(DI::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.
-               $def_gid = Group::create($uid, L10n::t('Friends'));
+               $def_gid = Group::create($uid, DI::l10n()->t('Friends'));
                if (!$def_gid) {
                        DBA::delete('user', ['uid' => $uid]);
 
-                       throw new Exception(L10n::t('An error occurred creating your default contact group. Please try again.'));
+                       throw new Exception(DI::l10n()->t('An error occurred creating your default contact group. Please try again.'));
                }
 
                $fields = ['def_gid' => $def_gid];
-               if (Config::get('system', 'newuser_private') && $def_gid) {
+               if (DI::config()->get('system', 'newuser_private') && $def_gid) {
                        $fields['allow_gid'] = '<' . $def_gid . '>';
                }
 
@@ -828,9 +839,16 @@ class User
                        $photo_failure = false;
 
                        $filename = basename($photo);
-                       $img_str = Network::fetchUrl($photo, true);
-                       // guess mimetype from headers or filename
-                       $type = Images::guessType($photo, true);
+                       $curlResult = Network::curl($photo, true);
+                       if ($curlResult->isSuccess()) {
+                               $img_str = $curlResult->getBody();
+                               $type = $curlResult->getContentType();
+                       } else {
+                               $img_str = '';
+                               $type = '';
+                       }
+
+                       $type = Images::getMimeTypeByData($img_str, $photo, $type);
 
                        $Image = new Image($img_str, $type);
                        if ($Image->isValid()) {
@@ -838,7 +856,7 @@ class User
 
                                $resource_id = Photo::newResource();
 
-                               $r = Photo::store($Image, $uid, 0, $resource_id, $filename, L10n::t('Profile Photos'), 4);
+                               $r = Photo::store($Image, $uid, 0, $resource_id, $filename, DI::l10n()->t('Profile Photos'), 4);
 
                                if ($r === false) {
                                        $photo_failure = true;
@@ -846,7 +864,7 @@ class User
 
                                $Image->scaleDown(80);
 
-                               $r = Photo::store($Image, $uid, 0, $resource_id, $filename, L10n::t('Profile Photos'), 5);
+                               $r = Photo::store($Image, $uid, 0, $resource_id, $filename, DI::l10n()->t('Profile Photos'), 5);
 
                                if ($r === false) {
                                        $photo_failure = true;
@@ -854,7 +872,7 @@ class User
 
                                $Image->scaleDown(48);
 
-                               $r = Photo::store($Image, $uid, 0, $resource_id, $filename, L10n::t('Profile Photos'), 6);
+                               $r = Photo::store($Image, $uid, 0, $resource_id, $filename, DI::l10n()->t('Profile Photos'), 6);
 
                                if ($r === false) {
                                        $photo_failure = true;
@@ -873,18 +891,178 @@ class User
        }
 
        /**
-        * @brief Sends pending registration confirmation email
+        * Sets block state for a given user
+        *
+        * @param int  $uid   The user id
+        * @param bool $block Block state (default is true)
+        *
+        * @return bool True, if successfully blocked
+
+        * @throws Exception
+        */
+       public static function block(int $uid, bool $block = true)
+       {
+               return DBA::update('user', ['blocked' => $block], ['uid' => $uid]);
+       }
+
+       /**
+        * Allows a registration based on a hash
+        *
+        * @param string $hash
+        *
+        * @return bool True, if the allow was successful
+        *
+        * @throws InternalServerErrorException
+        * @throws Exception
+        */
+       public static function allow(string $hash)
+       {
+               $register = Register::getByHash($hash);
+               if (!DBA::isResult($register)) {
+                       return false;
+               }
+
+               $user = User::getById($register['uid']);
+               if (!DBA::isResult($user)) {
+                       return false;
+               }
+
+               Register::deleteByHash($hash);
+
+               DBA::update('user', ['blocked' => false, 'verified' => true], ['uid' => $register['uid']]);
+
+               $profile = DBA::selectFirst('profile', ['net-publish'], ['uid' => $register['uid']]);
+
+               if (DBA::isResult($profile) && $profile['net-publish'] && DI::config()->get('system', 'directory')) {
+                       $url = DI::baseUrl() . '/profile/' . $user['nickname'];
+                       Worker::add(PRIORITY_LOW, "Directory", $url);
+               }
+
+               $l10n = DI::l10n()->withLang($register['language']);
+
+               return User::sendRegisterOpenEmail(
+                       $l10n,
+                       $user,
+                       DI::config()->get('config', 'sitename'),
+                       DI::baseUrl()->get(),
+                       ($register['password'] ?? '') ?: 'Sent in a previous email'
+               );
+       }
+
+       /**
+        * Denys a pending registration
+        *
+        * @param string $hash The hash of the pending user
+        *
+        * This does not have to go through user_remove() and save the nickname
+        * permanently against re-registration, as the person was not yet
+        * allowed to have friends on this system
+        *
+        * @return bool True, if the deny was successfull
+        * @throws Exception
+        */
+       public static function deny(string $hash)
+       {
+               $register = Register::getByHash($hash);
+               if (!DBA::isResult($register)) {
+                       return false;
+               }
+
+               $user = User::getById($register['uid']);
+               if (!DBA::isResult($user)) {
+                       return false;
+               }
+
+               return DBA::delete('user', ['uid' => $register['uid']]) &&
+                      Register::deleteByHash($register['hash']);
+       }
+
+       /**
+        * Creates a new user based on a minimal set and sends an email to this user
+        *
+        * @param string $name  The user's name
+        * @param string $email The user's email address
+        * @param string $nick  The user's nick name
+        * @param string $lang  The user's language (default is english)
+        *
+        * @return bool True, if the user was created successfully
+        * @throws InternalServerErrorException
+        * @throws \ErrorException
+        * @throws \ImagickException
+        */
+       public static function createMinimal(string $name, string $email, string $nick, string $lang = L10n::DEFAULT)
+       {
+               if (empty($name) ||
+                   empty($email) ||
+                   empty($nick)) {
+                       throw new InternalServerErrorException('Invalid arguments.');
+               }
+
+               $result = self::create([
+                       'username' => $name,
+                       'email' => $email,
+                       'nickname' => $nick,
+                       'verified' => 1,
+                       'language' => $lang
+               ]);
+
+               $user = $result['user'];
+               $preamble = Strings::deindent(DI::l10n()->t('
+               Dear %1$s,
+                       the administrator of %2$s has set up an account for you.'));
+               $body = Strings::deindent(DI::l10n()->t('
+               The login details are as follows:
+
+               Site Location:  %1$s
+               Login Name:             %2$s
+               Password:               %3$s
+
+               You may change your password from your account "Settings" page after logging
+               in.
+
+               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.
+
+               We recommend setting your full name, adding a profile photo,
+               adding some profile "keywords" (very useful in making new friends) - and
+               perhaps what country you live in; if you do not wish to be more specific
+               than that.
+
+               We fully respect your right to privacy, and none of these items are necessary.
+               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 %1$s/removeme
+
+               Thank you and welcome to %4$s.'));
+
+               $preamble = sprintf($preamble, $user['username'], DI::config()->get('config', 'sitename'));
+               $body = sprintf($body, DI::baseUrl()->get(), $user['nickname'], $result['password'], DI::config()->get('config', 'sitename'));
+
+               $email = DI::emailer()
+                       ->newSystemMail()
+                       ->withMessage(DI::l10n()->t('Registration details for %s', DI::config()->get('config', 'sitename')), $preamble, $body)
+                       ->forUser($user)
+                       ->withRecipient($user['email'])
+                       ->build();
+               return DI::emailer()->send($email);
+       }
+
+       /**
+        * Sends pending registration confirmation email
         *
         * @param array  $user     User record array
         * @param string $sitename
         * @param string $siteurl
         * @param string $password Plaintext password
         * @return NULL|boolean from notification() and email() inherited
-        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws InternalServerErrorException
         */
        public static function sendRegisterPendingEmail($user, $sitename, $siteurl, $password)
        {
-               $body = Strings::deindent(L10n::t(
+               $body = Strings::deindent(DI::l10n()->t(
                        '
                        Dear %1$s,
                                Thank you for registering at %2$s. Your account is pending for approval by the administrator.
@@ -902,29 +1080,30 @@ class User
                        $password
                ));
 
-               return notification([
-                       'type'     => SYSTEM_EMAIL,
-                       'uid'      => $user['uid'],
-                       'to_email' => $user['email'],
-                       'subject'  => L10n::t('Registration at %s', $sitename),
-                       'body'     => $body
-               ]);
+               $email = DI::emailer()
+                       ->newSystemMail()
+                       ->withMessage(DI::l10n()->t('Registration at %s', $sitename), $body)
+                       ->forUser($user)
+                       ->withRecipient($user['email'])
+                       ->build();
+               return DI::emailer()->send($email);
        }
 
        /**
-        * @brief Sends registration confirmation
+        * Sends registration confirmation
         *
         * It's here as a function because the mail is sent from different parts
         *
-        * @param L10n\L10n   $l10n     The used language
-        * @param array  $user     User record array
-        * @param string $sitename
-        * @param string $siteurl
-        * @param string $password Plaintext password
+        * @param \Friendica\Core\L10n $l10n     The used language
+        * @param array                $user     User record array
+        * @param string               $sitename
+        * @param string               $siteurl
+        * @param string               $password Plaintext password
+        *
         * @return NULL|boolean from notification() and email() inherited
-        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws InternalServerErrorException
         */
-       public static function sendRegisterOpenEmail(L10n\L10n $l10n, $user, $sitename, $siteurl, $password)
+       public static function sendRegisterOpenEmail(\Friendica\Core\L10n $l10n, $user, $sitename, $siteurl, $password)
        {
                $preamble = Strings::deindent($l10n->t(
                        '
@@ -969,23 +1148,21 @@ class User
                        $password
                ));
 
-               return notification([
-                       'uid'      => $user['uid'],
-                       'language' => $user['language'],
-                       'type'     => SYSTEM_EMAIL,
-                       'to_email' => $user['email'],
-                       'subject'  => L10n::t('Registration details for %s', $sitename),
-                       'preamble' => $preamble,
-                       'body'     => $body
-               ]);
+               $email = DI::emailer()
+                       ->newSystemMail()
+                       ->withMessage(DI::l10n()->t('Registration details for %s', $sitename), $preamble, $body)
+                       ->forUser($user)
+                       ->withRecipient($user['email'])
+                       ->build();
+               return DI::emailer()->send($email);
        }
 
        /**
-        * @param object $uid user to remove
+        * @param int $uid user to remove
         * @return bool
-        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws InternalServerErrorException
         */
-       public static function remove($uid)
+       public static function remove(int $uid)
        {
                if (!$uid) {
                        return false;
@@ -1115,11 +1292,14 @@ class User
 
                $userStmt = DBA::p("SELECT `user`.`uid`, `user`.`login_date`, `contact`.`last-item`
                        FROM `user`
-                       INNER JOIN `profile` ON `profile`.`uid` = `user`.`uid` AND `profile`.`is-default`
                        INNER JOIN `contact` ON `contact`.`uid` = `user`.`uid` AND `contact`.`self`
-                       WHERE (`profile`.`publish` OR `profile`.`net-publish`) AND `user`.`verified`
-                               AND NOT `user`.`blocked` AND NOT `user`.`account_removed`
-                               AND NOT `user`.`account_expired`");
+                       WHERE `user`.`verified`
+                               AND `user`.`login_date` > ?
+                               AND NOT `user`.`blocked`
+                               AND NOT `user`.`account_removed`
+                               AND NOT `user`.`account_expired`",
+                               DBA::NULL_DATETIME
+               );
 
                if (!DBA::isResult($userStmt)) {
                        return $statistics;
@@ -1144,4 +1324,47 @@ class User
 
                return $statistics;
        }
+
+       /**
+        * Get all users of the current node
+        *
+        * @param int    $start Start count (Default is 0)
+        * @param int    $count Count of the items per page (Default is @see Pager::ITEMS_PER_PAGE)
+        * @param string $type  The type of users, which should get (all, bocked, removed)
+        * @param string $order Order of the user list (Default is 'contact.name')
+        * @param string $order_direction Order direction (Default is ASC)
+        *
+        * @return array The list of the users
+        * @throws Exception
+        */
+       public static function getList($start = 0, $count = Pager::ITEMS_PER_PAGE, $type = 'all', $order = 'contact.name', $order_direction = '+')
+       {
+               $sql_order           = '`' . str_replace('.', '`.`', $order) . '`';
+               $sql_order_direction = ($order_direction === '+') ? 'ASC' : 'DESC';
+
+               switch ($type) {
+                       case 'active':
+                               $sql_extra = 'AND `user`.`blocked` = 0';
+                               break;
+                       case 'blocked':
+                               $sql_extra = 'AND `user`.`blocked` = 1';
+                               break;
+                       case 'removed':
+                               $sql_extra = 'AND `user`.`account_removed` = 1';
+                               break;
+                       case 'all':
+                       default:
+                               $sql_extra = '';
+                               break;
+               }
+
+               $usersStmt = DBA::p("SELECT `user`.*, `contact`.`name`, `contact`.`url`, `contact`.`micro`, `user`.`account_expired`, `contact`.`last-item` AS `lastitem_date`, `contact`.`nick`, `contact`.`created`
+                               FROM `user`
+                               INNER JOIN `contact` ON `contact`.`uid` = `user`.`uid` AND `contact`.`self`
+                               WHERE `user`.`verified` $sql_extra
+                               ORDER BY $sql_order $sql_order_direction LIMIT ?, ?", $start, $count
+               );
+
+               return DBA::toArray($usersStmt);
+       }
 }