Collaboration diagram for ilAccountRegistrationGUI:

Public Member Functions
	__construct ()
	executeCommand ()
	displayForm ()
	saveForm ()
	login ($password)

Data Fields
	$ctrl
	$tpl
	$profile_incomplete

Protected Member Functions
	__initForm ()
	__createUser ()
	__validateRole ($role)
	__distributeMails ($password)

Protected Attributes
	$code_was_used = false

Detailed Description

Class ilAccountRegistrationGUI.

Author: Stefan Meyer smeye.nosp@m.r.il.nosp@m.ias@g.nosp@m.mx.d.nosp@m.e

Version

Id:: class.ilAccountRegistrationGUI.php 28779 2011-05-03 12:00:13Z smeyer

ilAccountRegistrationGUI:

Definition at line 21 of file class.ilAccountRegistrationGUI.php.

Constructor & Destructor Documentation

ilAccountRegistrationGUI::__construct ( )

Definition at line 29 of file class.ilAccountRegistrationGUI.php.

References $ilCtrl, $lng, and $tpl.

        {
                global $ilCtrl,$tpl,$lng;
                $this->tpl =& $tpl;
                $this->ctrl =& $ilCtrl;
                $this->ctrl->saveParameter($this,'lang');
                $this->lng =& $lng;
                $this->lng->loadLanguageModule('registration');
                $this->registration_settings = new ilRegistrationSettings();
        }

Member Function Documentation

ilAccountRegistrationGUI::__createUser ( )

protected

Definition at line 260 of file class.ilAccountRegistrationGUI.php.

References $_POST, $client, $code_was_used, $ilSetting, ilUserDefinedFields\_getInstance(), ilUtil\generatePasswords(), ilRegistrationCode\getCodeRole(), IL_REG_ACTIVATION, IL_REG_CODES, IL_REG_DIRECT, ilUserProfile\MODE_REGISTRATION, and ilRegistrationCode\useCode().

Referenced by saveForm().

        {
                global $ilSetting, $rbacadmin;
                $this->userObj = new ilObjUser();
                
                include_once("./Services/User/classes/class.ilUserProfile.php");
                $up = new ilUserProfile();
                $up->setMode(ilUserProfile::MODE_REGISTRATION);
                $map = array();
                $up->skipGroup("preferences");
                $up->skipGroup("settings");
                $up->skipGroup("instant_messengers");
                $up->skipField("password");
                $up->skipField("birthday");
                $up->skipField("upload");
                foreach ($up->getStandardFields() as $k => $v)
                {
                        if($v["method"])
                        {
                                $method = "set".substr($v["method"], 3);
                                if(method_exists($this->userObj, $method))
                                {
                                        if ($k != "username")
                                        {
                                                $k = "usr_".$k;
                                        }
                                        $field_obj = $this->form->getItemByPostVar($k);
                                        if($field_obj)
                                        {
                                                $this->userObj->$method($this->form->getInput($k));
                                        }
                                }
                        }
                }
                $this->userObj->setFullName();
                $birthday_obj = $this->form->getItemByPostVar("usr_birthday");
                if ($birthday_obj)
                {
                        $birthday = $this->form->getInput("usr_birthday");
                        $birthday = $birthday["date"];
                        // when birthday was not set, array will not be substituted with string by ilBirthdayInputGui
                        if(!is_array($birthday))
                        {
                                $this->userObj->setBirthday($birthday);
                        }
                }
                // messenger
                $map = array("icq", "yahoo", "msn", "aim", "skype", "jabber", "voip");
                foreach($map as $client)
                {
                        $field = "usr_im_".$client;
                        $field_obj = $this->form->getItemByPostVar($field);
                        if($field_obj)
                        {
                                $this->userObj->setInstantMessengerId($client, $this->form->getInput($field));
                        }
                }
                
                $this->userObj->setTitle($this->userObj->getFullname());
                $this->userObj->setDescription($this->userObj->getEmail());
                if ($this->registration_settings->passwordGenerationEnabled())
                {
                        $password = ilUtil::generatePasswords(1);
                        $password = $password[0];
                }
                else
                {
                        $password = $this->form->getInput("usr_password");
                }
                $this->userObj->setPasswd($password);
                
                
                // Set user defined data
                include_once './Services/User/classes/class.ilUserDefinedFields.php';
                $user_defined_fields =& ilUserDefinedFields::_getInstance();
                $defs = $user_defined_fields->getRegistrationDefinitions();
                $udf = array();
                foreach ($_POST as $k => $v)
                {
                        if (substr($k, 0, 4) == "udf_")
                        {
                                $f = substr($k, 4);
                                $udf[$f] = $v;
                        }
                }
                $this->userObj->setUserDefinedData($udf);
                $this->userObj->setTimeLimitOwner(7);
                $default_role = false;
                if ($this->registration_settings->roleSelectionEnabled())
                {
                        $default_role = $this->form->getInput('usr_roles');
                }
                else
                {
                        // Assign by email
                        include_once 'Services/Registration/classes/class.ilRegistrationEmailRoleAssignments.php';
                        $registration_role_assignments = new ilRegistrationRoleAssignments();
                        $default_role = $registration_role_assignments->getRoleByEmail($this->userObj->getEmail());
                }
                
                // get role from code / set code to used
                $code = $this->form->getInput('usr_registration_code');
                $this->code_was_used = false;
                if($this->registration_settings->getRegistrationType() == IL_REG_CODES ||
                        ($code && $this->registration_settings->getAllowCodes()))
                {
                        include_once './Services/Registration/classes/class.ilRegistrationCode.php';
                        ilRegistrationCode::useCode($code);
                        $default_role = ilRegistrationCode::getCodeRole($code);
                        $this->code_was_used = true;
                }
                if ($this->registration_settings->getAccessLimitation())
                {
                        include_once 'Services/Registration/classes/class.ilRegistrationRoleAccessLimitations.php';
                        $access_limitations_obj = new ilRegistrationRoleAccessLimitations();
                        $access_limit_mode = $access_limitations_obj->getMode($default_role);
                        if ($access_limit_mode == 'absolute')
                        {
                                $access_limit = $access_limitations_obj->getAbsolute($default_role);
                                $this->userObj->setTimeLimitUnlimited(0);
                                $this->userObj->setTimeLimitUntil($access_limit);
                        }
                        elseif ($access_limit_mode == 'relative')
                        {
                                $rel_d = (int) $access_limitations_obj->getRelative($default_role,'d');
                                $rel_m = (int) $access_limitations_obj->getRelative($default_role,'m');
                                $rel_y = (int) $access_limitations_obj->getRelative($default_role,'y');
                                $access_limit = $rel_d * 86400 + $rel_m * 2592000 + $rel_y * 31536000 + time();
                                $this->userObj->setTimeLimitUnlimited(0);
                                $this->userObj->setTimeLimitUntil($access_limit);
                        }
                        else
                        {
                                $this->userObj->setTimeLimitUnlimited(1);
                                $this->userObj->setTimeLimitUntil(time());
                        }
                }
                else
                {
                        $this->userObj->setTimeLimitUnlimited(1);
                        $this->userObj->setTimeLimitUntil(time());
                }
                $this->userObj->setTimeLimitFrom(time());
                $this->userObj->create();
                
                if($this->registration_settings->getRegistrationType() == IL_REG_DIRECT ||
                        $this->registration_settings->getRegistrationType() == IL_REG_CODES ||
                        $this->code_was_used)
                {
                        $this->userObj->setActive(1,0);
                }
                else if($this->registration_settings->getRegistrationType() == IL_REG_ACTIVATION)
                {
                        $this->userObj->setActive(0,0);
                }
                else
                {
                        $this->userObj->setActive(0,0);
                }
                $this->userObj->updateOwner();
                // set a timestamp for last_password_change
                // this ts is needed by the ACCOUNT_SECURITY_MODE_CUSTOMIZED
                // in ilSecuritySettings
                $this->userObj->setLastPasswordChangeTS( time() );
                //insert user data in table user_data
                $this->userObj->saveAsNew();
                // store acceptance of user agreement
                $this->userObj->writeAccepted();
                // setup user preferences
                $this->userObj->setLanguage($this->form->getInput('usr_language'));
                $hits_per_page = $ilSetting->get("hits_per_page");
                if ($hits_per_page < 10)
                {
                        $hits_per_page = 10;
                }
                $this->userObj->setPref("hits_per_page", $hits_per_page);
                $show_online = $ilSetting->get("show_users_online");
                if ($show_online == "")
                {
                        $show_online = "y";
                }
                $this->userObj->setPref("show_users_online", $show_online);
                $this->userObj->writePrefs();
                $rbacadmin->assignUser((int)$default_role, $this->userObj->getId(), true);
                return $password;
        }

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ilAccountRegistrationGUI::__distributeMails ( $password )

protected

Definition at line 487 of file class.ilAccountRegistrationGUI.php.

References $code_was_used, $GLOBALS, $ilSetting, ilObjUser\_generateRegistrationHash(), ilObjUserFolder\_lookupNewAccountMail(), ilFormat\_secondsToString(), IL_REG_ACTIVATION, IL_REG_APPROVE, ilRegistrationMailNotification\TYPE_NOTIFICATION_APPROVERS, and ilRegistrationMailNotification\TYPE_NOTIFICATION_CONFIRMATION.

Referenced by saveForm().

        {
                global $ilSetting;
                include_once './Services/Language/classes/class.ilLanguage.php';
                include_once './Services/User/classes/class.ilObjUser.php';
                include_once "Services/Mail/classes/class.ilFormatMail.php";
                include_once './Services/Registration/classes/class.ilRegistrationMailNotification.php';
                // Always send mail to approvers
                if($this->registration_settings->getRegistrationType() == IL_REG_APPROVE && !$this->code_was_used)
                {
                        $mail = new ilRegistrationMailNotification();
                        $mail->setType(ilRegistrationMailNotification::TYPE_NOTIFICATION_CONFIRMATION);
                        $mail->setRecipients($this->registration_settings->getApproveRecipients());
                        $mail->setAdditionalInformation(array('usr' => $this->userObj));
                        $mail->send();
                }
                else
                {
                        $mail = new ilRegistrationMailNotification();
                        $mail->setType(ilRegistrationMailNotification::TYPE_NOTIFICATION_APPROVERS);
                        $mail->setRecipients($this->registration_settings->getApproveRecipients());
                        $mail->setAdditionalInformation(array('usr' => $this->userObj));
                        $mail->send();
                        
                }               
                // Send mail to new user
                
                // Registration with confirmation link ist enabled              
                if($this->registration_settings->getRegistrationType() == IL_REG_ACTIVATION && !$this->code_was_used)
                {                       
                        include_once 'Services/Mail/classes/class.ilMail.php';
                        $mail_obj = new ilMail(ANONYMOUS_USER_ID);                      
                
                        // mail subject
                        $subject = $this->lng->txt("reg_mail_subject_confirmation");
                        // mail body                    
                        $hashcode = ilObjUser::_generateRegistrationHash($this->userObj->getId());
                        $body = $this->lng->txt("reg_mail_body_salutation")." ".$this->userObj->getFullname().",\n\n";
                        $body .= $this->lng->txt('reg_mail_body_confirmation')."\n".
                                ILIAS_HTTP_PATH.'/confirmReg.php?client_id='.CLIENT_ID."&rh=".$hashcode."\n\n";
                        $body .= sprintf($this->lng->txt('reg_mail_body_2_confirmation'),
                                ilFormat::_secondsToString($this->registration_settings->getRegistrationHashLifetime()))."\n\n";
                        $body .= $this->lng->txt('reg_mail_body_3_confirmation');                       
                        $mail_obj->enableSoap(false);
                        $mail_obj->appendInstallationSignature(true);
                        $mail_obj->sendMail($this->userObj->getEmail(), '', '',
                                $subject,
                                $body,
                                array(), array('normal'));
                }
                else
                {
                        // try individual account mail in user administration
                        include_once("Services/Mail/classes/class.ilAccountMail.php");
                        include_once './Services/User/classes/class.ilObjUserFolder.php';
                        $amail = ilObjUserFolder::_lookupNewAccountMail($GLOBALS["lng"]->getDefaultLanguage());
                        if (trim($amail["body"]) != "" && trim($amail["subject"]) != "")
                        {                               
                                $acc_mail = new ilAccountMail();
                                $acc_mail->setUser($this->userObj);
                                if ($this->registration_settings->passwordGenerationEnabled())
                                {
                                        $acc_mail->setUserPassword($password);
                                }
                                $acc_mail->send();
                        }
                        else    // do default mail
                        {
                                include_once "Services/Mail/classes/class.ilMimeMail.php";
        
                                $mmail = new ilMimeMail();
                                $mmail->autoCheck(false);
                                $mmail->From($ilSetting->get("admin_email"));
                                $mmail->To($this->userObj->getEmail());
        
                                // mail subject
                                $subject = $this->lng->txt("reg_mail_subject");
        
                                // mail body
                                $body = $this->lng->txt("reg_mail_body_salutation")." ".$this->userObj->getFullname().",\n\n".
                                        $this->lng->txt("reg_mail_body_text1")."\n\n".
                                        $this->lng->txt("reg_mail_body_text2")."\n".
                                        ILIAS_HTTP_PATH."/login.php?client_id=".$ilias->client_id."\n";                 
                                $body .= $this->lng->txt("login").": ".$this->userObj->getLogin()."\n";
        
                                if ($this->registration_settings->passwordGenerationEnabled())
                                {
                                        $body.= $this->lng->txt("passwd").": ".$password."\n";
                                }
                                $body.= "\n";
        
                                // Info about necessary approvement
                                if($this->registration_settings->getRegistrationType() == IL_REG_APPROVE && !$this->code_was_used)
                                {
                                        $body .= ($this->lng->txt('reg_mail_body_pwd_generation')."\n\n");
                                }                       
                                
                                $body .= ($this->lng->txt("reg_mail_body_text3")."\n\r");
                                $body .= $this->userObj->getProfileAsString($this->lng);
                                $mmail->Subject($subject);
                                $mmail->Body($body);
                                $mmail->Send();
                        }
                }
        }

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ilAccountRegistrationGUI::__initForm ( )

protected

Definition at line 106 of file class.ilAccountRegistrationGUI.php.

References $lng, ilUserDefinedFields\_getInstance(), ilUserAgreement\_getText(), ilUserProfile\MODE_REGISTRATION, ilFormPropertyGUI\setRequired(), UDF_TYPE_TEXT, and UDF_TYPE_WYSIWYG.

Referenced by displayForm(), and saveForm().

        {
                global $lng, $ilUser;
                
                include_once("Services/Form/classes/class.ilPropertyFormGUI.php");
                $this->form = new ilPropertyFormGUI();
                $this->form->setFormAction($this->ctrl->getFormAction($this));
                
                
                // user defined fields
                $user_defined_data = $ilUser->getUserDefinedData();
                include_once './Services/User/classes/class.ilUserDefinedFields.php';
                $user_defined_fields =& ilUserDefinedFields::_getInstance();
                $custom_fields = array();
                foreach($user_defined_fields->getRegistrationDefinitions() as $field_id => $definition)
                {
                        if($definition['field_type'] == UDF_TYPE_TEXT)
                        {
                                $custom_fields["udf_".$definition['field_id']] =
                                        new ilTextInputGUI($definition['field_name'], "udf_".$definition['field_id']);
                                $custom_fields["udf_".$definition['field_id']]->setValue($user_defined_data["f_".$field_id]);
                                $custom_fields["udf_".$definition['field_id']]->setMaxLength(255);
                                $custom_fields["udf_".$definition['field_id']]->setSize(40);
                        }
                        else if($definition['field_type'] == UDF_TYPE_WYSIWYG)
                        {
                                $custom_fields["udf_".$definition['field_id']] =
                                        new ilTextAreaInputGUI($definition['field_name'], "udf_".$definition['field_id']);
                                $custom_fields["udf_".$definition['field_id']]->setValue($user_defined_data["f_".$field_id]);
                                $custom_fields["udf_".$definition['field_id']]->setUseRte(true);
                        }
                        else
                        {
                                $custom_fields["udf_".$definition['field_id']] =
                                        new ilSelectInputGUI($definition['field_name'], "udf_".$definition['field_id']);
                                $custom_fields["udf_".$definition['field_id']]->setValue($user_defined_data["f_".$field_id]);
                                $custom_fields["udf_".$definition['field_id']]->setOptions(
                                        $user_defined_fields->fieldValuesToSelectArray($definition['field_values']));
                        }
                        if($definition['required'])
                        {
                                $custom_fields["udf_".$definition['field_id']]->setRequired(true);
                        }
                }
                // standard fields
                include_once("./Services/User/classes/class.ilUserProfile.php");
                $up = new ilUserProfile();
                $up->setMode(ilUserProfile::MODE_REGISTRATION);
                $up->skipGroup("preferences");
                // add fields to form
                $up->addStandardFieldsToForm($this->form, NULL, $custom_fields);
                unset($custom_fields);
                // user agreement
                $field = new ilFormSectionHeaderGUI();
                $field->setTitle($lng->txt("usr_agreement"));
                $this->form->addItem($field);
                $field = new ilCustomInputGUI();
                $field->setHTML('<div id="agreement">'.ilUserAgreement::_getText().'</div>');
                $this->form->addItem($field);
                $field = new ilCheckboxInputGUI($lng->txt("accept_usr_agreement"), "usr_agreement");
                $field->setRequired(true);
                $field->setValue(1);
                $this->form->addItem($field);
                $this->form->addCommandButton("saveForm", $lng->txt("register"));
        }

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ilAccountRegistrationGUI::__validateRole ( $role )

protected

Definition at line 471 of file class.ilAccountRegistrationGUI.php.

References $ilDB, $ilErr, $lng, ilObjRole\_lookupAllowRegister(), and ilObject\_lookupTitle().

Referenced by saveForm().

        {
                global $ilDB,$ilias,$ilErr,$lng;
                // validate role
                include_once("./Services/AccessControl/classes/class.ilObjRole.php");
                if ($this->registration_settings->roleSelectionEnabled() and
                        !ilObjRole::_lookupAllowRegister($role))
                {
                        $ilias->raiseError("Invalid role selection in registration: ".
                                                           ilObject::_lookupTitle($role)." [".$role."]".
                                                           ", IP: ".$_SERVER["REMOTE_ADDR"],$ilias->error_obj->FATAL);
                }
                return true;
        }

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ilAccountRegistrationGUI::displayForm ( )

Definition at line 73 of file class.ilAccountRegistrationGUI.php.

References $lng, __initForm(), and ilLanguage\_lookupEntry().

Referenced by executeCommand(), and saveForm().

        {
                global $lng;
                $this->tpl->addBlockFile("CONTENT", "content", "tpl.usr_registration.html");
                $this->tpl->addBlockFile("STATUSLINE", "statusline", "tpl.statusline.html");
                $this->tpl->setVariable("TXT_PAGEHEADLINE", $lng->txt("registration"));
                // language selection
                $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
                $this->tpl->setVariable("TXT_OK",$lng->txt("ok"));
                $this->tpl->setVariable("TXT_CHOOSE_LANGUAGE", $lng->txt("choose_language"));
                $this->ctrl->getFormAction($this);
                foreach ($lng->getInstalledLanguages() as $lang_key)
                {
                        $this->tpl->setCurrentBlock("languages");
                        $this->tpl->setVariable("LINK_LANG",$this->ctrl->getLinkTarget($this,'displayForm'));
                        $this->tpl->setVariable("LANG_NAME",
                                                          ilLanguage::_lookupEntry($lang_key, "meta", "meta_l_".$lang_key));
                        $this->tpl->setVariable("LANG_ICON", $lang_key);
                        $this->tpl->setVariable("BORDER", 0);
                        $this->tpl->setVariable("VSPACE", 0);
                        $this->tpl->parseCurrentBlock();
                }
                if(!$this->form)
                {
                        $this->__initForm();
                }
                $this->tpl->setVariable("FORM", $this->form->getHTML());
        }

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ilAccountRegistrationGUI::executeCommand ( )

Definition at line 44 of file class.ilAccountRegistrationGUI.php.

References $cmd, $ilErr, $tpl, displayForm(), and IL_REG_DISABLED.

        {
                global $ilErr, $tpl;
                if($this->registration_settings->getRegistrationType() == IL_REG_DISABLED)
                {
                        $ilErr->raiseError($this->lng->txt('reg_disabled'),$ilErr->FATAL);
                }
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd();
                switch($next_class)
                {
                        default:
                                if($cmd)
                                {
                                        $this->$cmd();
                                }
                                else
                                {
                                        $this->displayForm();
                                }
                                break;
                }
                $tpl->show();
                return true;
        }

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ilAccountRegistrationGUI::login ( $password )

Definition at line 599 of file class.ilAccountRegistrationGUI.php.

References $_GET, $code_was_used, $ilLog, $lng, ilUtil\getImagePath(), IL_REG_ACTIVATION, IL_REG_APPROVE, IL_REG_CODES, and IL_REG_DIRECT.

Referenced by saveForm().

        {
                global $ilias,$lng,$ilLog;
                $ilLog->write("Entered login");
                $this->tpl->addBlockFile("CONTENT", "content", "tpl.usr_registered.html");
                $this->tpl->setVariable("IMG_USER",
                        ilUtil::getImagePath("icon_usr_b.gif"));
                $this->tpl->setVariable("TXT_PAGEHEADLINE", $lng->txt("registration"));
                $this->tpl->setVariable("TXT_WELCOME", $lng->txt("welcome").", ".$this->userObj->getTitle()."!");
                if (($this->registration_settings->getRegistrationType() == IL_REG_DIRECT or
                                $this->registration_settings->getRegistrationType() == IL_REG_CODES or
                                $this->code_was_used) and
                        !$this->registration_settings->passwordGenerationEnabled())
                {
                        $this->tpl->setCurrentBlock("activation");
                        $this->tpl->setVariable("TXT_REGISTERED", $lng->txt("txt_registered"));
                        $this->tpl->setVariable("FORMACTION", "login.php?cmd=post&target=".$_GET["target"]);
                        $this->tpl->setVariable("TARGET","target=\"_parent\"");
                        $this->tpl->setVariable("TXT_LOGIN", $lng->txt("login_to_ilias"));
                        $this->tpl->setVariable("USERNAME",$this->userObj->getLogin());
                        $this->tpl->setVariable("PASSWORD",$password);
                        $this->tpl->parseCurrentBlock();
                }
                else if ($this->registration_settings->getRegistrationType() == IL_REG_APPROVE)
                {
                        $this->tpl->setVariable("TXT_REGISTERED", $lng->txt("txt_submitted"));
                }
                else if($this->registration_settings->getRegistrationType() == IL_REG_ACTIVATION)
                {
                        $this->tpl->setVariable("TXT_REGISTERED", sprintf($lng->txt("reg_confirmation_link_successful"), './login.php'));
                        $this->tpl->setVariable("REDIRECT_URL", './login.php');
                }
                else
                {
                        $this->tpl->setVariable("TXT_REGISTERED", $lng->txt("txt_registered_passw_gen"));
                }
        }

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ilAccountRegistrationGUI::saveForm ( )

Definition at line 182 of file class.ilAccountRegistrationGUI.php.

References $ilDB, $ilErr, $ilSetting, $lng, __createUser(), __distributeMails(), __initForm(), __validateRole(), ilObjUser\_doesLoginnameExistInHistory(), ilObjUser\_loginExists(), displayForm(), ilUtil\isLogin(), ilRegistrationCode\isUnusedCode(), login(), ilUtil\sendFailure(), and ilUtil\sendInfo().

        {
                global $ilias, $lng, $rbacadmin, $ilDB, $ilErr, $ilSetting;
                $this->__initForm();
                if($this->form->checkInput())
                {
                        require_once 'Services/User/classes/class.ilObjUser.php';
                        
                        // custom validation
                        
                        $form_valid = true;
                        
                        if(!$this->form->getInput("usr_agreement"))
                        {
                                ilUtil::sendInfo($lng->txt("force_accept_usr_agreement"), true);
                                $form_valid = false;
                        }
                        // validate registration code
                        if($this->registration_settings->registrationCodeRequired() ||
                                $this->registration_settings->getAllowCodes())
                        {
                                $code = $this->form->getInput("usr_registration_code");
                                if($code || $this->registration_settings->registrationCodeRequired())
                                {
                                        include_once './Services/Registration/classes/class.ilRegistrationCode.php';
                                        if(!ilRegistrationCode::isUnusedCode($code))
                                        {
                                                $code_obj = $this->form->getItemByPostVar('usr_registration_code');
                                                $code_obj->setAlert($lng->txt('registration_code_not_valid'));
                                                $form_valid = false;
                                        }
                                }
                        }
                        
                        // validate username
                        $login_obj = $this->form->getItemByPostVar('username');
                        $login = $this->form->getInput("username");
                        if (!ilUtil::isLogin($login))
                        {
                                $login_obj->setAlert($lng->txt("login_invalid"));
                                $form_valid = false;
                        }
                        else if (ilObjUser::_loginExists($login))
                        {
                                $login_obj->setAlert($lng->txt("login_exists"));
                                $form_valid = false;
                        }
                        else if ((int)$ilSetting->get('allow_change_loginname') &&
                                (int)$ilSetting->get('prevent_reuse_of_loginnames') &&
                                ilObjUser::_doesLoginnameExistInHistory($login))
                        {
                                $login_obj->setAlert($lng->txt('login_exists'));
                                $form_valid = false;
                        }
                        // Do some Radius checks
                        $this->__validateRole($this->form->getInput("usr_roles"));
                        
                        if(!$form_valid)
                        {
                                ilUtil::sendFailure($lng->txt('form_input_not_valid'));
                        }
                        else
                        {
                                $password = $this->__createUser();
                                $this->__distributeMails($password);
                                $this->login($password);
                                return true;
                        }
                }
                $this->form->setValuesByPost();
                $this->displayForm();
                return false;
        }