@classDescription Handles requests from external calendar applications More...

Collaboration diagram for ilCalendarRemoteAccessHandler:

Public Member Functions
	__construct ()

	getTokenHandler ()

	parseRequest ()
	Fetch client id, the chosen calendar... More...

	handleRequest ()

Protected Member Functions
	initTokenHandler ()

	initLimitEnabled ()

	initIlias ()

	initUser ()

Protected Attributes
const	LIMITED_QUERY_PARAM = 'limited'

Refinery	$refinery = null

HTTPServices	$http = null

ilLogger	$logger = null

ilLanguage	$lng = null

bool	$limit_enabled

Private Attributes
ilCalendarAuthenticationToken	$token_handler = null

Detailed Description

@classDescription Handles requests from external calendar applications

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

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

Constructor & Destructor Documentation

◆ __construct()

ilCalendarRemoteAccessHandler::__construct ( )

Definition at line 40 of file class.ilCalendarRemoteAccessHandler.php.

41 {

42 }

Member Function Documentation

◆ getTokenHandler()

ilCalendarRemoteAccessHandler::getTokenHandler ( )

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

                                     : ?ilCalendarAuthenticationToken
    {
        return $this->token_handler;
    }

References $token_handler.

Referenced by handleRequest(), and initUser().

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◆ handleRequest()

ilCalendarRemoteAccessHandler::handleRequest ( )

Definition at line 64 of file class.ilCalendarRemoteAccessHandler.php.

                                   : bool
    {
        session_name('ILCALSESSID');
        $this->initIlias();
        $logger = $GLOBALS['DIC']->logger()->cal();
        $this->initTokenHandler();
        $this->initLimitEnabled();
 
        if (!$this->initUser()) {
            $logger->warning('Calendar token is invalid. Authentication failed.');
            return false;
        }
 
        if ($this->getTokenHandler()->getIcal() and !$this->getTokenHandler()->isIcalExpired()) {
            $GLOBALS['DIC']['ilAuthSession']->logout();
            ilUtil::deliverData($this->getTokenHandler()->getIcal(), 'calendar.ics', 'text/calendar');
            exit;
        }
 
        if ($this->getTokenHandler()->getSelectionType() == ilCalendarAuthenticationToken::SELECTION_CALENDAR) {
            #$export = new ilCalendarExport(array($this->getTokenHandler()->getCalendar()));
            $cats = ilCalendarCategories::_getInstance();
            $cats->initialize(ilCalendarCategories::MODE_REMOTE_SELECTED, $this->getTokenHandler()->getCalendar());
            $export = new ilCalendarExport($cats->getCategories(true), $this->limit_enabled);
        } else {
            $cats = ilCalendarCategories::_getInstance();
            $cats->initialize(ilCalendarCategories::MODE_REMOTE_ACCESS);
            $export = new ilCalendarExport($cats->getCategories(true), $this->limit_enabled);
        }
 
        $export->export();
 
        $this->getTokenHandler()->setIcal($export->getExportString());
        $this->getTokenHandler()->storeIcal();
 
        $GLOBALS['DIC']['ilAuthSession']->logout();
        ilUtil::deliverData($export->getExportString(), 'calendar.ics', 'text/calendar');
        exit;
    }

References $GLOBALS, ilCalendarCategories\_getInstance(), ilUtil\deliverData(), exit, getTokenHandler(), initIlias(), initLimitEnabled(), initTokenHandler(), initUser(), ilCalendarCategories\MODE_REMOTE_ACCESS, ilCalendarCategories\MODE_REMOTE_SELECTED, ilCalendarAuthenticationToken\SELECTION_CALENDAR, and ilLogger\warning().

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◆ initIlias()

ilCalendarRemoteAccessHandler::initIlias ( )

protected

Definition at line 130 of file class.ilCalendarRemoteAccessHandler.php.

                                  : void
    {
        include_once './Services/Context/classes/class.ilContext.php';
        ilContext::init(ilContext::CONTEXT_ICAL);
 
        include_once './Services/Authentication/classes/class.ilAuthFactory.php';
        ilAuthFactory::setContext(ilAuthFactory::CONTEXT_CALENDAR_TOKEN);
 
        include_once './Services/Init/classes/class.ilInitialisation.php';
        ilInitialisation::initILIAS();
 
        global $DIC;
 
        $this->lng = $DIC->language();
        $this->lng->loadLanguageModule('dateplaner');
        $this->logger = $DIC->logger()->cal();
    }

References $DIC, ilAuthFactory\CONTEXT_CALENDAR_TOKEN, ilContext\CONTEXT_ICAL, ilContext\init(), ilInitialisation\initILIAS(), ILIAS\Repository\lng(), ILIAS\Repository\logger(), and ilAuthFactory\setContext().

Referenced by handleRequest().

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◆ initLimitEnabled()

ilCalendarRemoteAccessHandler::initLimitEnabled ( )

protected

Definition at line 125 of file class.ilCalendarRemoteAccessHandler.php.

                                         : void
    {
        $this->limit_enabled = (bool) ($_GET[self::LIMITED_QUERY_PARAM] ?? false);
    }

References $_GET.

Referenced by handleRequest().

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◆ initTokenHandler()

ilCalendarRemoteAccessHandler::initTokenHandler ( )

protected

Definition at line 104 of file class.ilCalendarRemoteAccessHandler.php.

                                         : void
    {
        global $DIC;
 
        $this->http = $DIC->http();
        $this->refinery = $DIC->refinery();
 
        $token = '';
        if ($this->http->wrapper()->query()->has('token')) {
            $token = $this->http->wrapper()->query()->retrieve(
                'token',
                $this->refinery->kindlyTo()->string()
            );
        }
        $this->logger->info('Authentication token: ' . $token);
        $this->token_handler = new ilCalendarAuthenticationToken(
            ilCalendarAuthenticationToken::lookupUser($token),
            $token
        );
    }

References $DIC, $token, ILIAS\FileDelivery\http(), ILIAS\Repository\logger(), ilCalendarAuthenticationToken\lookupUser(), and ILIAS\Repository\refinery().

Referenced by handleRequest().

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◆ initUser()

ilCalendarRemoteAccessHandler::initUser ( )

protected

Definition at line 148 of file class.ilCalendarRemoteAccessHandler.php.

                                 : bool
    {
        global $DIC;
 
        if (!$this->getTokenHandler() instanceof ilCalendarAuthenticationToken) {
            $this->logger->info('Initialisation of authentication token failed');
            return false;
        }
        if (!$this->getTokenHandler()->getUserId()) {
            $this->logger->info('No user id found for calendar synchronisation');
            return false;
        }
        if (!ilObjUser::_exists($this->getTokenHandler()->getUserId())) {
            $this->logger->notice('No valid user id found for calendar synchronisation');
            return false;
        }
 
        $GLOBALS['DIC']['ilAuthSession']->setAuthenticated(true, $this->getTokenHandler()->getUserId());
        ilInitialisation::initUserAccount();
 
        if (!$DIC->user() instanceof ilObjUser) {
            $this->logger->debug('No user object defined');
        } else {
            $this->logger->debug('Current user is: ' . $DIC->user()->getId());
        }
        return true;
    }

References $DIC, $GLOBALS, ilObject\_exists(), getTokenHandler(), ilInitialisation\initUserAccount(), and ILIAS\Repository\logger().

Referenced by handleRequest().

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◆ parseRequest()

ilCalendarRemoteAccessHandler::parseRequest ( )

Fetch client id, the chosen calendar...

Definition at line 52 of file class.ilCalendarRemoteAccessHandler.php.

                                  : void
    {
        // before initialization: $_GET and $_COOKIE is required is unavoidable
        // in the moment.
        if ($_GET['client_id']) {
            $_COOKIE['ilClientId'] = $_GET['client_id'];
        } else {
            $path_info_components = explode('/', $_SERVER['PATH_INFO']);
            $_COOKIE['ilClientId'] = $path_info_components[1];
        }
    }