class.ilServicesUserTasks.php

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<?php
/* Copyright (c) 1998-2016 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilServicesUserTasks
{
        const ANON_FIRSTNAME            = 'Anonymous';
        const ANON_LASTNAME             = 'Exam-User';
        const ANON_LOGIN_PREFIX         = 'EX-';
        const ANON_GENDER                       = 'm';
        const PASSWORD_CHARACTERSET     = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';

        public static function createAnonymousUsers($context, $params)
        {
                $input_params = $params[0];
                $output_params =$params[1];

                // IN: useridlist
                // OUT: anonaccountlist, userIdList

                $pseudonymousUserMap = array();
                $discloseMap = array();
                $usrIdList = array();

                foreach($input_params['usrIdList'] as $user_id)
                {
                        $source_user = new ilObjUser($user_id, false);
                        $anon_login = self::getValidLogin();
                        $anon_password = self::generatePassword();
                        $new_id = self::createUser(
                                $anon_login,
                                $anon_password,
                                $source_user->getEmail()
                        );

                        $pseudonymousUserMap[] = array(
                                'Original User' => $user_id,
                                'Anonymous User' => $new_id
                        );

                        $discloseMap[] = array(
                                'Original User'                         => $user_id,
                                'Original Login'                        => $source_user->getLogin(),
                                'Original Firstname'            => $source_user->getFirstname(),
                                'Original Lastname'             => $source_user->getLastname(),
                                'Original Matriculation'        => $source_user->getMatriculation(),
                                'Original Gender'                       => $source_user->getGender(),
                                'Original EMail'                        => $source_user->getEmail(),
                                'Anon User'                             => $new_id,
                                'Anon Login'                            => $anon_login,
                                'Anon Password'                         => $anon_password
                        );

                        $usrIdList[] = $new_id;
                }

                return array($output_params[0] => $discloseMap);
        }

        protected static function getValidLogin()
        {
                do
                {
                        $login = self::ANON_LOGIN_PREFIX.str_pad(rand(0,9999999),7,STR_PAD_LEFT);
                } while ( ilObjUser::_loginExists($login) );

                return $login;
        }

        protected static function generatePassword($length = 8)
        {
                $password = array();
                $setLength = strlen(self::PASSWORD_CHARACTERSET) - 1;

                for ($i = 0; $i < $length; $i++)
                {
                        $index = rand(0, $setLength);
                        $password[] = self::PASSWORD_CHARACTERSET[$index];
                }

                return implode($password);
        }

        protected static function createUser($login, $password, $email)
        {
                global $DIC;
                $rbacadmin = $DIC['rbacadmin'];

                $user = new ilObjUser();
                $user->setTimeLimitUnlimited(TRUE);
                $user->setFirstname(self::ANON_FIRSTNAME);
                $user->setLastname(self::ANON_LASTNAME);
                $user->setEmail($email);
                $user->setGender(self::ANON_GENDER);
                $user->setPasswd($password, IL_PASSWD_PLAIN);
                $user->setLogin($login);
                $user->setActive(true, 6);
                $user->create();

                $user->setLastPasswordChangeTS(0);
                $user->saveAsNew();

                $user->setPref('send_info_mails', 'n');
                $user->writePrefs();

                $rbacadmin->assignUser(4, $user->getId(), true);

                return $user->getId();
        }

        public static function repersonalizeUsers($context, $params)
        {
                // IN: discloseMap
                $input_params = $params[0];
                $output_params =$params[1];

                foreach($input_params['discloseMap'] as $disclose_entry)
                {
                        $anon_user = new ilObjUser($disclose_entry['Anon User'], false);
                        $anon_user->setFirstname($disclose_entry['Original Firstname']);
                        $anon_user->setLastname($disclose_entry['Original Lastname']);
                        $anon_user->setMatriculation($disclose_entry['Original Matriculation']);
                        $anon_user->setGender($disclose_entry['Original Gender']);
                        $anon_user->update();
                }

                // OUT: void
        }
}