Settings.php

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<?php

namespace Elgg\Users;

use Elgg\Exceptions\Configuration\RegistrationException;
use Elgg\Exceptions\InvalidArgumentException;
use Elgg\Http\ResponseBuilder;
use Elgg\Request;

class Settings {

    public static function setPassword(\Elgg\Event $event) {
    
        $actor = elgg_get_logged_in_user_entity();
        if (!$actor instanceof \ElggUser) {
            return;
        }
    
        $user = $event->getUserParam();
        $request = $event->getParam('request');
        
        if (!$user instanceof \ElggUser || !$request instanceof Request) {
            return;
        }
    
        $password = (string) $request->getParam('password', null, false);
        $password2 = (string) $request->getParam('password2', null, false);
    
        if (!$password) {
            return;
        }
    
        if (!$actor->isAdmin() || $user->guid === $actor->guid) {
            // let admin user change anyone's password without knowing it except his own.
    
            $current_password = (string) $request->getParam('current_password', null, false);
    
            try {
                _elgg_services()->accounts->assertCurrentPassword($user, $current_password);
            } catch (RegistrationException $e) {
                $request->validation()->fail('password', '', elgg_echo('LoginException:ChangePasswordFailure'));
    
                return false;
            }
        }
    
        try {
            _elgg_services()->accounts->assertValidPassword([$password, $password2]);
        } catch (RegistrationException $e) {
            $request->validation()->fail('password', '', $e->getMessage());
    
            return false;
        }
    
        $user->setPassword($password);
        _elgg_services()->persistentLogin->handlePasswordChange($user, $actor);
        
        if (elgg_get_config('security_notify_user_password')) {
            // notify the user that their password has changed
            $site = elgg_get_site_entity();
            
            $subject = elgg_echo('user:notification:password_change:subject', [], $user->getLanguage());
            $body = elgg_echo('user:notification:password_change:body', [
                $user->getDisplayName(),
                $site->getDisplayName(),
                elgg_generate_url('account:password:reset'),
                $site->getURL(),
            ], $user->getLanguage());
            
            $params = [
                'object' => $user,
                'action' => 'password_change',
                'apply_muting' => false,
            ];
            
            notify_user($user->guid, $site->guid, $subject, $body, $params, ['email']);
        }
    
        $request->validation()->pass('password', '', elgg_echo('user:password:success'));
    }
    
    public static function setName(\Elgg\Event $event) {
    
        $user = $event->getUserParam();
        
        /* @var $request \Elgg\Request */
        $request = $event->getParam('request');
        
        $name = $request->getParam('name');
        if (!isset($name)) {
            return;
        }
    
        $name = strip_tags($name);
        if (empty($name)) {
            $request->validation()->fail('name', $request->getParam('name'), elgg_echo('user:name:fail'));
    
            return false;
        }
    
        if ($name === $user->name) {
            return;
        }
    
        $request->validation()->pass('name', $name, elgg_echo('user:name:success'));
    
        $user->name = $name;
    }
    
    public static function setUsername(\Elgg\Event $event) {
    
        $user = $event->getUserParam();
        $request = $event->getParam('request');
        
        if (!$user instanceof \ElggUser || !$request instanceof Request) {
            return;
        }
    
        $username = $request->getParam('username');
        if (!isset($username)) {
            return;
        }
    
        if (!elgg_is_admin_logged_in() && !elgg_get_config('can_change_username')) {
            return;
        }
        
        if (!$user->canEdit()) {
            return;
        }
    
        if ($user->username === $username) {
            return;
        }
    
        // check if username is valid and does not exist
        try {
            _elgg_services()->accounts->assertValidUsername($username, true);
        } catch (RegistrationException $ex) {
            $request->validation()->fail('username', $username, $ex->getMessage());
    
            return false;
        }
    
        $user->username = $username;
    
        $request->validation()->pass('username', $username, elgg_echo('user:username:success'));
    
        // correctly forward after after a username change
        elgg_register_event_handler('response', 'action:usersettings/save', function (\Elgg\Event $event) use ($username) {
            $response = $event->getValue();
            if (!$response instanceof ResponseBuilder) {
                return;
            }
    
            if ($response->getForwardURL() === REFERRER) {
                $response->setForwardURL(elgg_generate_url('settings:account', [
                    'username' => $username,
                ]));
            }
    
            return $response;
        });
    }
    
    public static function setLanguage(\Elgg\Event $event) {
    
        $user = $event->getUserParam();
        $request = $event->getParam('request');
        
        if (!$user instanceof \ElggUser || !$request instanceof Request) {
            return;
        }
    
        $language = $request->getParam('language');
        if (!isset($language)) {
            return;
        }
    
        if ($language === $user->language) {
            return;
        }
        
        $who_can_change_language = elgg_get_config('who_can_change_language');
        if ($who_can_change_language === 'nobody') {
            return;
        } elseif ($who_can_change_language === 'admin_only' && !elgg_is_admin_logged_in()) {
            return;
        }
        
        if (!in_array($language, _elgg_services()->translator->getAllowedLanguages())) {
            return;
        }
    
        $user->language = $language;
    
        $request->validation()->pass('language', $language, elgg_echo('user:language:success'));
    }
    
    public static function setEmail(\Elgg\Event $event) {
        
        $actor = elgg_get_logged_in_user_entity();
        if (!$actor instanceof \ElggUser) {
            return;
        }
    
        $user = $event->getUserParam();
        $request = $event->getParam('request');
        
        if (!$user instanceof \ElggUser || !$request instanceof Request) {
            return;
        }
    
        $email = $request->getParam('email');
        if (!isset($email)) {
            return;
        }
    
        if (strcmp($email, $user->email) === 0) {
            // no change
            return;
        }
    
        try {
            $assert_unregistered = true;
            if ($actor->isAdmin() && $user->guid !== $actor->guid) {
                // admins changing another users email address are allowed to set it to a duplicate email address
                $assert_unregistered = false;
            }
            
            _elgg_services()->accounts->assertValidEmail($email, $assert_unregistered);
        } catch (RegistrationException $ex) {
            $request->validation()->fail('email', $email, $ex->getMessage());
    
            return false;
        }
    
        if (_elgg_services()->config->security_email_require_password && $user->guid === $actor->guid) {
            try {
                // validate password
                _elgg_services()->accounts->assertCurrentPassword($user, (string) $request->getParam('email_password'));
            } catch (RegistrationException $e) {
                $request->validation()->fail('email', $email, elgg_echo('email:save:fail:password'));
                return false;
            }
        }
    
        $params = $event->getParams();
        $params['email'] = $email;
    
        if (!elgg_trigger_event_results('change:email', 'user', $params, true)) {
            return;
        }
        
        if (_elgg_services()->config->security_email_require_confirmation && (!$actor->isAdmin() || $user->guid === $actor->guid)) {
            // validate the new email address
            try {
                _elgg_services()->accounts->requestNewEmailValidation($user, $email);
                
                $request->validation()->pass('email', $email, elgg_echo('account:email:request:success', [$email]));
                return true;
            } catch (InvalidArgumentException $e) {
                $request->validation()->fail('email', $email, elgg_echo('email:save:fail:password'));
                return false;
            }
        }
        
        $user->email = $email;
        $request->validation()->pass('email', $email, elgg_echo('email:save:success'));
    }
    
    public static function setDefaultAccess(\Elgg\Event $event) {
    
        if (!_elgg_services()->config->allow_user_default_access) {
            return;
        }
    
        $user = $event->getUserParam();
        $request = $event->getParam('request');
        
        if (!$user instanceof \ElggUser || !$request instanceof Request) {
            return;
        }
        
        $default_access = $request->getParam('default_access');
        if (!isset($default_access)) {
            return;
        }
    
        if (!$user->setMetadata('elgg_default_access', $default_access)) {
            $request->validation()->fail('default_access', $default_access, elgg_echo('user:default_access:failure'));
            return;
        }
        
        $request->validation()->pass('default_access', $default_access, elgg_echo('user:default_access:success'));
    }
}