ilAuthSession Class Reference

Collaboration diagram for ilAuthSession:

Public Member Functions
	init ()
	Start auth session. More...
	isValid ()
	Check if current session is valid (authenticated and not expired) More...
	regenerateId ()
	Regenerate id. More...
	logout ()
	Logout user => stop session. More...
	isAuthenticated ()
	Check if session is authenticated. More...
	setAuthenticated ($a_status, $a_user_id)
	Set authenticated. More...
	isExpired ()
	Check if current is or was expired in last request. More...
	setExpired ($a_status)
	Set session expired. More...
	setUserId ($a_id)
	Set authenticated user id. More...
	getUserId ()
	Get authenticated user id. More...
	getId ()
	get session id More...

Static Public Member Functions
static	getInstance (\ilLogger $logger)
	Get instance. More...

Data Fields
const	SESSION_AUTH_AUTHENTICATED = '_authsession_authenticated'
const	SESSION_AUTH_USER_ID = '_authsession_user_id'
const	SESSION_AUTH_EXPIRED = '_authsession_expired'

Protected Member Functions
	getLogger ()
	validateExpiration ()
	Check expired value of session. More...
	setId ($a_id)
	Set id. More...

Private Member Functions
	__construct (\ilLogger $logger)
	Consctructor. More...

Private Attributes
	$logger = null
	$id = ''
	$user_id = 0
	$expired = false
	$authenticated = false

Static Private Attributes
static	$instance = null

Detailed Description

Author

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

Definition at line 13 of file class.ilAuthSession.php.

Constructor & Destructor Documentation

__construct()

ilAuthSession::__construct ( \ilLogger  $logger )

private

Consctructor.

Parameters

ilLogger

Definition at line 35 of file class.ilAuthSession.php.

    {
        $this->logger = $logger;
    }

References $logger.

Member Function Documentation

getId()

ilAuthSession::getId

(

)

get session id

Returns

string

Definition at line 215 of file class.ilAuthSession.php.

    {
        return $this->id;
    }

References $id.

Referenced by regenerateId(), and validateExpiration().

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getInstance()

static ilAuthSession::getInstance ( \ilLogger  $logger )

static

Get instance.

Parameters

ilLogger

Returns

ilAuthSession

Definition at line 45 of file class.ilAuthSession.php.

    {
        if (self::$instance) {
            return self::$instance;
        }
        return self::$instance = new self($logger);
    }

References $instance, and $logger.

Referenced by ilInitialisation\initSession().

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getLogger()

ilAuthSession::getLogger ( )

protected

Returns

ilLogger

Definition at line 56 of file class.ilAuthSession.php.

    {
        return $this->logger;
    }

References $logger.

Referenced by init(), logout(), and regenerateId().

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getUserId()

ilAuthSession::getUserId

(

)

Get authenticated user id.

Returns

int

Definition at line 179 of file class.ilAuthSession.php.

    {
        return $this->user_id;
    }

References $user_id.

Referenced by logout(), and ilAuthFrontend\migrateAccount().

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init()

ilAuthSession::init

(

)

Start auth session.

Returns

boolean

Definition at line 65 of file class.ilAuthSession.php.

    {
        session_start();
        
        $this->setId(session_id());
        
        $user_id = (int) ilSession::get(self::SESSION_AUTH_USER_ID);
 
        if ($user_id) {
            $this->getLogger()->debug('Resuming old session for user: ' . $user_id);
            $this->setUserId(ilSession::get(self::SESSION_AUTH_USER_ID));
            $this->expired = (int) ilSession::get(self::SESSION_AUTH_EXPIRED);
            $this->authenticated = (int) ilSession::get(self::SESSION_AUTH_AUTHENTICATED);
            
            $this->validateExpiration();
        } else {
            $this->getLogger()->debug('Started new session.');
            $this->setUserId(ANONYMOUS_USER_ID);
            $this->expired = false;
            $this->authenticated = false;
        }
        return true;
    }

References $user_id, ANONYMOUS_USER_ID, ilSession\get(), getLogger(), setId(), setUserId(), and validateExpiration().

Referenced by logout().

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isAuthenticated()

ilAuthSession::isAuthenticated

(

)

Check if session is authenticated.

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

    {
        return $this->authenticated;
    }

References $authenticated.

Referenced by isValid().

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isExpired()

ilAuthSession::isExpired

(

)

Check if current is or was expired in last request.

Returns

type

Definition at line 151 of file class.ilAuthSession.php.

    {
        return (bool) $this->expired;
    }

References $expired.

Referenced by isValid(), and validateExpiration().

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isValid()

ilAuthSession::isValid

(

)

Check if current session is valid (authenticated and not expired)

Returns

bool

Definition at line 93 of file class.ilAuthSession.php.

    {
        return !$this->isExpired() && $this->isAuthenticated();
    }

References isAuthenticated(), and isExpired().

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logout()

ilAuthSession::logout

(

)

Logout user => stop session.

Definition at line 112 of file class.ilAuthSession.php.

    {
        $this->getLogger()->debug('Logout called for: ' . $this->getUserId());
        session_regenerate_id(true);
        session_destroy();
 
        $this->init();
        $this->setAuthenticated(true, ANONYMOUS_USER_ID);
    }

References ANONYMOUS_USER_ID, getLogger(), getUserId(), init(), and setAuthenticated().

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regenerateId()

ilAuthSession::regenerateId

(

)

Regenerate id.

Definition at line 101 of file class.ilAuthSession.php.

    {
        $old_session_id = session_id();
        session_regenerate_id(true);
        $this->setId(session_id());
        $this->getLogger()->info('Session regenerate id: [' . substr($old_session_id, 0, 5) . '] -> [' . substr($this->getId(), 0, 5) . ']');
    }

References getId(), getLogger(), and setId().

Referenced by setAuthenticated().

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setAuthenticated()

ilAuthSession::setAuthenticated	(		$a_status,
			$a_user_id
	)

Set authenticated.

Parameters

authentication

status $a_status

Returns

type

Definition at line 135 of file class.ilAuthSession.php.

    {
        $this->authenticated = $a_status;
        $this->user_id = $a_user_id;
        ilSession::set(self::SESSION_AUTH_AUTHENTICATED, $a_status);
        ilSession::set(self::SESSION_AUTH_USER_ID, (int) $a_user_id);
        $this->setExpired(false);
        if ($a_status) {
            $this->regenerateId();
        }
    }

References regenerateId(), ilSession\set(), and setExpired().

Referenced by logout().

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setExpired()

ilAuthSession::setExpired

(

$a_status

)

Set session expired.

Parameters

type

$a_status

Definition at line 160 of file class.ilAuthSession.php.

    {
        $this->expired = $a_status;
        ilSession::set(self::SESSION_AUTH_EXPIRED, (int) $a_status);
    }

References ilSession\set().

Referenced by setAuthenticated(), and validateExpiration().

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setId()

ilAuthSession::setId (   $a_id )

protected

Set id.

Parameters

string

$a_id

Definition at line 206 of file class.ilAuthSession.php.

    {
        $this->id = $a_id;
    }

Referenced by init(), and regenerateId().

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setUserId()

ilAuthSession::setUserId

(

$a_id

)

Set authenticated user id.

Parameters

int

$a_id

Definition at line 170 of file class.ilAuthSession.php.

    {
        $this->user_id = $a_id;
    }

Referenced by init().

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validateExpiration()

ilAuthSession::validateExpiration ( )

protected

Check expired value of session.

Returns

bool

Definition at line 188 of file class.ilAuthSession.php.

    {
        if ($this->isExpired()) {
            // keep status
            return false;
        }
        
        if (time() > ilSession::lookupExpireTime($this->getId())) {
            $this->setExpired(true);
            return false;
        }
        return true;
    }

References getId(), isExpired(), ilSession\lookupExpireTime(), and setExpired().

Referenced by init().

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Field Documentation

$authenticated

ilAuthSession::$authenticated = false

private

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

Referenced by isAuthenticated().

$expired

ilAuthSession::$expired = false

private

Definition at line 28 of file class.ilAuthSession.php.

Referenced by isExpired().

$id

ilAuthSession::$id = ''

private

Definition at line 26 of file class.ilAuthSession.php.

Referenced by getId().

$instance

ilAuthSession::$instance = null

staticprivate

Definition at line 19 of file class.ilAuthSession.php.

Referenced by getInstance().

$logger

ilAuthSession::$logger = null

private

Definition at line 24 of file class.ilAuthSession.php.

Referenced by __construct(), getInstance(), and getLogger().

$user_id

ilAuthSession::$user_id = 0

private

Definition at line 27 of file class.ilAuthSession.php.

Referenced by getUserId(), and init().

SESSION_AUTH_AUTHENTICATED

const ilAuthSession::SESSION_AUTH_AUTHENTICATED = '_authsession_authenticated'

Definition at line 15 of file class.ilAuthSession.php.

SESSION_AUTH_EXPIRED

const ilAuthSession::SESSION_AUTH_EXPIRED = '_authsession_expired'

Definition at line 17 of file class.ilAuthSession.php.

SESSION_AUTH_USER_ID

const ilAuthSession::SESSION_AUTH_USER_ID = '_authsession_user_id'

Definition at line 16 of file class.ilAuthSession.php.

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The documentation for this class was generated from the following file:

• Services/Authentication/classes/class.ilAuthSession.php