class.ilObjPrivacySecurityGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
include_once("./Services/Object/classes/class.ilObjectGUI.php");
include_once('./Services/PrivacySecurity/classes/class.ilPrivacySettings.php');
include_once('./Services/PrivacySecurity/classes/class.ilSecuritySettings.php');

class ilObjPrivacySecurityGUI extends ilObjectGUI
{
    private static $ERROR_MESSAGE;
    public function __construct($a_data, $a_id, $a_call_by_reference = true, $a_prepare_output = true)
    {
        $this->type = 'ps';
        parent::__construct($a_data, $a_id, $a_call_by_reference, $a_prepare_output);

        self::initErrorMessages();
    }
    
    public static function initErrorMessages()
    {
        global $lng;
        
        if (is_array(self::$ERROR_MESSAGE)) {
            return;
        }
        
        $lng->loadLanguageModule('ps');

        ilObjPrivacySecurityGUI::$ERROR_MESSAGE = array(
           ilSecuritySettings::$SECURITY_SETTINGS_ERR_CODE_AUTO_HTTPS => $lng->txt("ps_error_message_https_header_missing"),
           ilSecuritySettings::$SECURITY_SETTINGS_ERR_CODE_HTTPS_NOT_AVAILABLE => $lng->txt('https_not_possible'),
           ilSecuritySettings::$SECURITY_SETTINGS_ERR_CODE_HTTP_NOT_AVAILABLE => $lng->txt('http_not_possible'),
           ilSecuritySettings::SECURITY_SETTINGS_ERR_CODE_INVALID_PASSWORD_MIN_LENGTH => $lng->txt('ps_error_message_invalid_password_min_length'),
           ilSecuritySettings::SECURITY_SETTINGS_ERR_CODE_INVALID_PASSWORD_MAX_LENGTH => $lng->txt('ps_error_message_invalid_password_max_length'),
           ilSecuritySettings::SECURITY_SETTINGS_ERR_CODE_INVALID_PASSWORD_MAX_AGE => $lng->txt('ps_error_message_invalid_password_max_age'),
           ilSecuritySettings::SECURITY_SETTINGS_ERR_CODE_INVALID_LOGIN_MAX_ATTEMPTS => $lng->txt('ps_error_message_invalid_login_max_attempts'),
           ilSecuritySettings::SECURITY_SETTINGS_ERR_CODE_PASSWORD_MIN_LENGTH_MIN1 => $lng->txt('ps_error_message_password_min1_because_chars'),
           ilSecuritySettings::SECURITY_SETTINGS_ERR_CODE_PASSWORD_MIN_LENGTH_MIN2 => $lng->txt('ps_error_message_password_min2_because_chars_numbers'),
           ilSecuritySettings::SECURITY_SETTINGS_ERR_CODE_PASSWORD_MIN_LENGTH_MIN3 => $lng->txt('ps_error_message_password_min3_because_chars_numbers_sc'),
           ilSecuritySettings::SECURITY_SETTINGS_ERR_CODE_PASSWORD_MAX_LENGTH_LESS_MIN_LENGTH => $lng->txt('ps_error_message_password_max_less_min')
        );
    }

    public function executeCommand()
    {
        global $rbacsystem,$ilErr,$ilAccess;

        $next_class = $this->ctrl->getNextClass($this);
        $cmd = $this->ctrl->getCmd();

        $this->prepareOutput();

        if (!$ilAccess->checkAccess('read', '', $this->object->getRefId())) {
            $ilErr->raiseError($this->lng->txt('no_permission'), $ilErr->WARNING);
        }

        switch ($next_class) {
            case 'ilpermissiongui':
                $this->tabs_gui->setTabActive('perm_settings');
                include_once("Services/AccessControl/classes/class.ilPermissionGUI.php");
                $perm_gui = new ilPermissionGUI($this);
                $ret =&$this->ctrl->forwardCommand($perm_gui);
                break;

            default:
                if (!$cmd || $cmd == 'view') {
                    $cmd = "showPrivacy";
                }

                $this->$cmd();
                break;
        }
        return true;
    }

    public function getAdminTabs()
    {
        global $rbacsystem;

        if ($rbacsystem->checkAccess("visible,read", $this->object->getRefId())) {
            $this->tabs_gui->addTarget(
                "show_privacy",
                $this->ctrl->getLinkTarget($this, "showPrivacy"),
                'showPrivacy'
            );
            $this->tabs_gui->addTarget(
                "show_security",
                $this->ctrl->getLinkTarget($this, "showSecurity"),
                'showSecurity'
            );
        }

        if ($rbacsystem->checkAccess('edit_permission', $this->object->getRefId())) {
            $this->tabs_gui->addTarget(
                "perm_settings",
                $this->ctrl->getLinkTargetByClass('ilpermissiongui', "perm"),
                array(),
                'ilpermissiongui'
            );
        }
    }

    public function showPrivacy()
    {
        $privacy = ilPrivacySettings::_getInstance();

        $this->tabs_gui->setTabActive('show_privacy');

        include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this));
        $form->setTitle($this->lng->txt('ps_privacy_protection'));
        
        include_once('Services/Membership/classes/class.ilMemberAgreement.php');
        if (ilMemberAgreement::_hasAgreements()) {
            ilUtil::sendInfo($this->lng->txt('ps_warning_modify'));
        }

        $value = array();
        if ($privacy->enabledCourseExport()) {
            $value[] = "export_course";
        }
        if ($privacy->enabledGroupExport()) {
            $value[] = "export_group";
        }
        if ($privacy->courseConfirmationRequired()) {
            $value[] = "export_confirm_course";
        }
        if ($privacy->groupConfirmationRequired()) {
            $value[] = "export_confirm_group";
        }
        if ($privacy->enabledGroupAccessTimes()) {
            $value[] = "grp_access_times";
        }
        if ($privacy->enabledCourseAccessTimes()) {
            $value[] = "crs_access_times";
        }
        $group = new ilCheckboxGroupInputGUI($this->lng->txt('ps_profile_export'), 'profile_protection');
        $group->setValue($value);
        $check = new ilCheckboxOption();
        $check->setTitle($this->lng->txt('ps_export_course'));
        $check->setValue('export_course');
        $group->addOption($check);
        $check = new ilCheckboxOption();
        $check->setTitle($this->lng->txt('ps_export_groups'));
        $check->setValue('export_group');
        $group->addOption($check);
        $check = new ilCheckboxOption();
        $check->setTitle($this->lng->txt('ps_export_confirm'));
        $check->setValue('export_confirm_course');
        $group->addOption($check);
        $check = new ilCheckboxOption();
        $check->setTitle($this->lng->txt('ps_export_confirm_group'));
        $check->setValue('export_confirm_group');
        $group->addOption($check);
        $check = new ilCheckboxOption();
        $check->setTitle($this->lng->txt('ps_show_grp_access'));
        $check->setValue('grp_access_times');
        $group->addOption($check);
        $check = new ilCheckboxOption();
        $check->setTitle($this->lng->txt('ps_show_crs_access'));
        $check->setValue('crs_access_times');
        $group->addOption($check);
        $form->addItem($group);
        
        include_once "Services/Administration/classes/class.ilAdministrationSettingsFormHandler.php";
        ilAdministrationSettingsFormHandler::addFieldsToForm(
            ilAdministrationSettingsFormHandler::FORM_PRIVACY,
            $form,
            $this
        );

        if ($this->checkPermissionBool("write")) {
            $form->addCommandButton('save_privacy', $this->lng->txt('save'));
        }
        $this->tpl->setContent($form->getHTML());
    }

    public function showSecurity()
    {
        global $ilSetting, $ilUser, $rbacreview;
        
        include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");

        $security = ilSecuritySettings::_getInstance();
        
        $this->tabs_gui->setTabActive('show_security');

        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this));
        $form->setTitle($this->lng->txt('ps_security_protection'));
        
        include_once "Services/Administration/classes/class.ilAdministrationSettingsFormHandler.php";
        ilAdministrationSettingsFormHandler::addFieldsToForm(
            ilAdministrationSettingsFormHandler::FORM_SECURITY,
            $form,
            $this
        );

        // $form->addCommandButton('save_security',$this->lng->txt('save'));
        $this->tpl->setContent($form->getHTML());
    }

    public function save_privacy()
    {
        global $ilErr,$ilAccess, $ilSetting;

        if (!$ilAccess->checkAccess('write', '', $this->object->getRefId())) {
            $ilErr->raiseError($this->lng->txt('no_permission'), $ilErr->WARNING);
        }

        if ((int) $_POST['rbac_log_age'] > 24) {
            $_POST['rbac_log_age'] = 24;
        } elseif ((int) $_POST['rbac_log_age'] < 1) {
            $_POST['rbac_log_age'] = 1;
        }

        $_POST['profile_protection'] = isset($_POST['profile_protection']) ? $_POST['profile_protection'] : array();
                
        $privacy = ilPrivacySettings::_getInstance();
        
        // to determine if agreements need to be reset - see below
        $old_settings = array(
            'export_course' => $privacy->enabledCourseExport(),
            'export_group' => $privacy->enabledGroupExport(),
            'export_confirm_course' => $privacy->courseConfirmationRequired(),
            'export_confirm_group' => $privacy->groupConfirmationRequired(),
            'crs_access_times' => $privacy->enabledCourseAccessTimes(),
            'grp_access_times' => $privacy->enabledGroupAccessTimes()
        );
    
        $privacy->enableCourseExport((int) in_array('export_course', $_POST['profile_protection']));
        $privacy->enableGroupExport((int) in_array('export_group', $_POST['profile_protection']));
        $privacy->setCourseConfirmationRequired((int) in_array('export_confirm_course', $_POST['profile_protection']));
        $privacy->setGroupConfirmationRequired((int) in_array('export_confirm_group', $_POST['profile_protection']));
        $privacy->showGroupAccessTimes((int) in_array('grp_access_times', $_POST['profile_protection']));
        $privacy->showCourseAccessTimes((int) in_array('crs_access_times', $_POST['profile_protection']));
        
        // validate settings
        $code = $privacy->validate();

        // if error code != 0, display error and do not save
        if ($code != 0) {
            $msg = $this->getErrorMessage($code);
            ilUtil::sendFailure($msg);
        } else {
            $privacy->save();
            
            // reset agreements?
            $do_reset = false;
            if (!$old_settings['export_course'] && $privacy->enabledCourseExport()) {
                $do_reset = true;
            }
            if (!$do_reset && !$old_settings['export_group'] && $privacy->enabledGroupExport()) {
                $do_reset = true;
            }
            if (!$do_reset && !$old_settings['export_confirm_course'] && $privacy->courseConfirmationRequired()) {
                $do_reset = true;
            }
            if (!$do_reset && !$old_settings['export_confirm_group'] && $privacy->groupConfirmationRequired()) {
                $do_reset = true;
            }
            if (!$do_reset && !$old_settings['crs_access_times'] && $privacy->enabledCourseAccessTimes()) {
                $do_reset = true;
            }
            if (!$do_reset && !$old_settings['grp_access_times'] && $privacy->enabledGroupAccessTimes()) {
                $do_reset = true;
            }
            if ($do_reset) {
                include_once('Services/Membership/classes/class.ilMemberAgreement.php');
                ilMemberAgreement::_reset();
            }
            ilUtil::sendSuccess($this->lng->txt('settings_saved'));
        }

        $this->showPrivacy();
    }

    public function save_security()
    {
        global $ilErr,$ilAccess, $ilSetting, $rbacreview, $ilUser;

        if (!$ilAccess->checkAccess('write', '', $this->object->getRefId())) {
            $ilErr->raiseError($this->lng->txt('no_permission'), $ilErr->WARNING);
        }

        /*
        $security = ilSecuritySettings::_getInstance();

        $code = $security->validate();

        // if error code != 0, display error and do not save
        if ($code != 0)
        {
            $msg = $this->getErrorMessage ($code);
            ilUtil::sendFailure($msg);
        } else
        {
            $security->save();
            ilUtil::sendSuccess($this->lng->txt('settings_saved'));
        }
        */
        
        $this->showSecurity();
    }


    public static function getErrorMessage($code)
    {
        self::initErrorMessages();
        return ilObjPrivacySecurityGUI::$ERROR_MESSAGE[$code];
    }
    
    public function addToExternalSettingsForm($a_form_id)
    {
        switch ($a_form_id) {
            case ilAdministrationSettingsFormHandler::FORM_COURSE:
                
                $privacy = ilPrivacySettings::_getInstance();
                
                $subitems = array(
                    'ps_export_course' => array($privacy->enabledCourseExport(), ilAdministrationSettingsFormHandler::VALUE_BOOL),
                    'ps_export_confirm' => array($privacy->courseConfirmationRequired(), ilAdministrationSettingsFormHandler::VALUE_BOOL),
                    'ps_show_crs_access' => array($privacy->enabledCourseAccessTimes(), ilAdministrationSettingsFormHandler::VALUE_BOOL)
                );
                $fields = array(
                    'ps_profile_export' => array(null, null, $subitems)
                );
                return array(array("showPrivacy", $fields));
                
            case ilAdministrationSettingsFormHandler::FORM_GROUP:
                                
                $privacy = ilPrivacySettings::_getInstance();
                
                $subitems = array(
                    'ps_export_groups' => array($privacy->enabledGroupExport(), ilAdministrationSettingsFormHandler::VALUE_BOOL),
                    'ps_export_confirm_group' => array($privacy->groupConfirmationRequired(), ilAdministrationSettingsFormHandler::VALUE_BOOL),
                    'ps_show_grp_access' => array($privacy->enabledGroupAccessTimes(), ilAdministrationSettingsFormHandler::VALUE_BOOL)
                );
                $fields = array(
                    'ps_profile_export' => array(null, null, $subitems)
                );
                return array(array("showPrivacy", $fields));
        }
    }
}