Collaboration diagram for ilWACSignedPath:

Public Member Functions
	__construct (ilWACPath $ilWACPath, ilWACCookieInterface $ilWACCookieInterface=null)
	ilWACSignedPath constructor. More...

	getSignedPath ()

	isFolderSigned ()

	isFolderTokenValid ()

	revalidatingFolderToken ()

	isSignedPath ()

	isSignedPathValid ()

	getTokenInstance ()

	setTokenInstance (ilWACToken $token_instance)

	getType ()

	setType ($type)

	getPathObject ()

	setPathObject ($path_object)

	buildAndSetTokenInstance ($timestamp=null, $ttl=null)

	isChecked ()

	setChecked ($checked)

Static Public Member Functions
static	signFile ($path_to_file)

static	signFolderOfStartFile ($start_file_path, ilWACCookieInterface $ilWACCookieInterface=null)

static	getTokenMaxLifetimeInSeconds ()

static	setTokenMaxLifetimeInSeconds ($token_max_lifetime_in_seconds)

static	getCookieMaxLifetimeInSeconds ()

static	setCookieMaxLifetimeInSeconds ($cookie_max_lifetime_in_seconds)

Data Fields
const	TYPE_FILE = 1

const	TYPE_FOLDER = 2

const	WAC_TOKEN_ID = 'il_wac_token'

const	WAC_TIMESTAMP_ID = 'il_wac_ts'

const	WAC_TTL_ID = 'il_wac_ttl'

const	TS_SUFFIX = 'ts'

const	TTL_SUFFIX = 'ttl'

const	MAX_LIFETIME = 600

Protected Member Functions
	saveFolderToken ()

	checkToken ()

	buildTokenInstance ($timestamp=null, $ttl=null)

	getRelevantLifeTime ()

Protected Attributes
	$path_object = null

	$token_instance = null

	$type = self::TYPE_FILE

	$cookie = null

	$checked = false

Static Protected Attributes
static	$token_max_lifetime_in_seconds = 3

static	$cookie_max_lifetime_in_seconds = 300

Detailed Description

Class ilWACSignedPath.

Author: Fabian Schmid fs@st.nosp@m.uder.nosp@m.-raim.nosp@m.ann..nosp@m.ch

Version: 1.0.0

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

Constructor & Destructor Documentation

◆ __construct()

ilWACSignedPath::__construct	(	ilWACPath	$ilWACPath,
		ilWACCookieInterface	$ilWACCookieInterface = `null`
	)

ilWACSignedPath constructor.

Parameters

\ilWACPath	$ilWACPath
\ilWACCookieInterface \| null	$ilWACCookieInterface

Definition at line 59 of file class.ilWACSignedPath.php.

                                                                                                             {
                $this->cookie = ($ilWACCookieInterface ? $ilWACCookieInterface : new ilWACCookie());
                $this->setPathObject($ilWACPath);
        }

References setPathObject().

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Member Function Documentation

◆ buildAndSetTokenInstance()

ilWACSignedPath::buildAndSetTokenInstance	(	$timestamp = `null`,
		$ttl = `null`
	)

Parameters

null	$timestamp
null	$ttl

Exceptions

ilWACException

Definition at line 325 of file class.ilWACSignedPath.php.

                                                                                 {
                $this->setTokenInstance($this->buildTokenInstance($timestamp, $ttl));
        }

References $timestamp, buildTokenInstance(), and setTokenInstance().

Referenced by isFolderSigned(), isSignedPathValid(), and revalidatingFolderToken().

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◆ buildTokenInstance()

ilWACSignedPath::buildTokenInstance	(	$timestamp = `null`,
		$ttl = `null`
	)

protected

Parameters

null $timestamp

Returns: \ilWACToken

Exceptions

ilWACException

Definition at line 295 of file class.ilWACSignedPath.php.

                                                                              {
                if (!$this->getType()) {
                        throw new ilWACException(ilWACException::CODE_NO_TYPE);
                }
 
                switch ($this->getType()) {
                        case self::TYPE_FOLDER:
                                $path = dirname($this->getPathObject()->getPathWithoutQuery());
                                break;
                        case self::TYPE_FILE:
                                $path = $this->getPathObject()->getPathWithoutQuery();
                                break;
                        default:
                                $path = $this->getPathObject()->getPathWithoutQuery();
                                break;
                }
 
                $client = $this->getPathObject()->getClient();
                $timestamp = $timestamp ? $timestamp : $this->getPathObject()->getTimestamp();
                $ttl = $ttl ? $ttl : $this->getPathObject()->getTTL();
 
                return new ilWACToken($path, $client, $timestamp, $ttl);
        }

References $client, $path, $timestamp, ilWACException\CODE_NO_TYPE, getPathObject(), getType(), TYPE_FILE, and TYPE_FOLDER.

Referenced by buildAndSetTokenInstance(), checkToken(), and isFolderSigned().

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◆ checkToken()

ilWACSignedPath::checkToken ( )

protected

Returns: bool

Exceptions

ilWACException

Definition at line 255 of file class.ilWACSignedPath.php.

                                        {
                $requestTokenInstance = $this->getTokenInstance();
 
                $request_token = $this->getPathObject()->getToken();
                $request_ttl = $this->getPathObject()->getTTL();
                $request_timestamp = $this->getPathObject()->getTimestamp();
                $current_timestamp = time();
 
                ilWACLog::getInstance()->write('Checking Token: ' . $request_token . ', ts: ' . $request_timestamp . "\n\n\n\n\n\n");
 
                $timestamp_valid = ($current_timestamp < ($request_timestamp + $request_ttl));
 
                if (!$timestamp_valid) {
                        ilWACLog::getInstance()->write('cookie no longer valid: TS, ' . $this->getPathObject()->getPath());
                        $this->setChecked(true);
 
                        return false;
                }
 
                $simulatedTokenInstance = $this->buildTokenInstance($request_timestamp, $request_ttl);
                $token_valid = ($simulatedTokenInstance->getToken() == $request_token);
 
                if (!$token_valid) {
                        ilWACLog::getInstance()->write('cookie no longer valid: ID');
                        $this->setChecked(true);
 
                        return false;
                }
 
                ilWACLog::getInstance()->write('Token valid: ' . $requestTokenInstance->getToken());
 
                return true;
        }

References buildTokenInstance(), ilWACLog\getInstance(), getPathObject(), getTokenInstance(), and setChecked().

Referenced by isFolderTokenValid(), and isSignedPathValid().

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◆ getCookieMaxLifetimeInSeconds()

static ilWACSignedPath::getCookieMaxLifetimeInSeconds ( )

static

Returns: int

Definition at line 353 of file class.ilWACSignedPath.php.

                                                               {
                return self::$cookie_max_lifetime_in_seconds;
        }

References $cookie_max_lifetime_in_seconds.

Referenced by ilObjSCORMInitData\getIliasScormVars(), ilSCORM13Player\getPlayer(), getRelevantLifeTime(), saveFolderToken(), and signFolderOfStartFile().

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◆ getPathObject()

ilWACSignedPath::getPathObject ( )

Returns: ilWACPath

Definition at line 238 of file class.ilWACSignedPath.php.

                                        {
                return $this->path_object;
        }

References $path_object.

Referenced by buildTokenInstance(), checkToken(), getRelevantLifeTime(), getSignedPath(), isFolderSigned(), isSignedPath(), isSignedPathValid(), and saveFolderToken().

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◆ getRelevantLifeTime()

ilWACSignedPath::getRelevantLifeTime ( )

protected

Returns: bool|int

Definition at line 373 of file class.ilWACSignedPath.php.

                                                 {
                $request_ttl = $this->getPathObject()->getTTL();
                if ($request_ttl > 0) {
                        return $request_ttl;
                }
                switch ($this->getType()) {
                        case self::TYPE_FOLDER:
                                $life_time = self::getCookieMaxLifetimeInSeconds();
                                break;
                        case self::TYPE_FILE:
                                $life_time = self::getTokenMaxLifetimeInSeconds();
                                break;
                        default:
                                $life_time = false;
                                break;
                }
 
                return $life_time;
        }

References getCookieMaxLifetimeInSeconds(), getPathObject(), getTokenMaxLifetimeInSeconds(), getType(), TYPE_FILE, and TYPE_FOLDER.

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◆ getSignedPath()

ilWACSignedPath::getSignedPath ( )

Returns: string

Exceptions

ilWACException

Definition at line 69 of file class.ilWACSignedPath.php.

                                        {
                if ($this->getType() !== self::TYPE_FILE) {
                        throw new ilWACException(ilWACException::WRONG_PATH_TYPE);
                }
                if (!$this->getPathObject()->getOriginalRequest()) {
                        return '';
                }
                if (!$this->getPathObject()->fileExists()) {
                        //                      return $this->getPathObject()->getOriginalRequest();
                }
 
                if (strpos($this->getPathObject()->getPath(), '?')) {
                        $path = $this->getPathObject()->getPath() . '&' . self::WAC_TOKEN_ID . '=' . $this->getTokenInstance()->getToken();
                } else {
                        $path = $this->getPathObject()->getPath() . '?' . self::WAC_TOKEN_ID . '=' . $this->getTokenInstance()->getToken();
                }
 
                $path = $path . '&' . self::WAC_TTL_ID . '=' . $this->getTokenInstance()->getTTL();
                $path = $path . '&' . self::WAC_TIMESTAMP_ID . '=' . $this->getTokenInstance()->getTimestamp();
 
                return $path;
        }

References $path, getPathObject(), getTokenInstance(), getType(), and ilWACException\WRONG_PATH_TYPE.

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◆ getTokenInstance()

ilWACSignedPath::getTokenInstance ( )

Returns: ilWACToken

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

                                           {
                return $this->token_instance;
        }

References $token_instance.

Referenced by checkToken(), getSignedPath(), and saveFolderToken().

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◆ getTokenMaxLifetimeInSeconds()

static ilWACSignedPath::getTokenMaxLifetimeInSeconds ( )

static

Returns: int

Definition at line 333 of file class.ilWACSignedPath.php.

                                                              {
                return self::$token_max_lifetime_in_seconds;
        }

References $token_max_lifetime_in_seconds.

Referenced by ilWACToken\__construct(), getRelevantLifeTime(), and signFile().

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◆ getType()

ilWACSignedPath::getType ( )

Returns: int

Definition at line 222 of file class.ilWACSignedPath.php.

                                  {
                return $this->type;
        }

References $type.

Referenced by buildTokenInstance(), getRelevantLifeTime(), getSignedPath(), and revalidatingFolderToken().

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◆ isChecked()

ilWACSignedPath::isChecked ( )

Returns: boolean

Definition at line 397 of file class.ilWACSignedPath.php.

                                    {
                return $this->checked;
        }

References $checked.

◆ isFolderSigned()

ilWACSignedPath::isFolderSigned ( )

Returns: bool

Definition at line 96 of file class.ilWACSignedPath.php.

                                         {
                $this->setType(self::TYPE_FOLDER);
                $plain_token = $this->buildTokenInstance();
                $name = $plain_token->getId();
                $this->getPathObject()->setToken($this->cookie->get($name));
                $this->getPathObject()->setTimestamp($this->cookie->get($name . self::TS_SUFFIX));
                $this->getPathObject()->setTTL($this->cookie->get($name . self::TTL_SUFFIX));
                $this->buildAndSetTokenInstance();
 
                return $this->getPathObject()->hasToken();
        }

References buildAndSetTokenInstance(), buildTokenInstance(), getPathObject(), and setType().

Referenced by isFolderTokenValid().

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◆ isFolderTokenValid()

ilWACSignedPath::isFolderTokenValid ( )

Returns: bool

Exceptions

ilWACException

Definition at line 113 of file class.ilWACSignedPath.php.

                                             {
                if (!$this->isFolderSigned()) {
                        return false;
                }
 
                return $this->checkToken();
        }

References checkToken(), and isFolderSigned().

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◆ isSignedPath()

ilWACSignedPath::isSignedPath ( )

Returns: bool

Definition at line 153 of file class.ilWACSignedPath.php.

                                       {
                return ($this->getPathObject()->hasToken() && $this->getPathObject()->hasTimestamp() && $this->getPathObject()->hasTTL());
        }

References getPathObject().

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◆ isSignedPathValid()

ilWACSignedPath::isSignedPathValid ( )

Returns: bool

Exceptions

ilWACException

Definition at line 162 of file class.ilWACSignedPath.php.

                                            {
                $this->buildAndSetTokenInstance($this->getPathObject()->getTimestamp(), $this->getPathObject()->getTTL());
 
                return $this->checkToken();
        }

References buildAndSetTokenInstance(), checkToken(), and getPathObject().

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◆ revalidatingFolderToken()

ilWACSignedPath::revalidatingFolderToken ( )

Returns: bool

Definition at line 138 of file class.ilWACSignedPath.php.

                                                  {
                if ($this->getType() !== self::TYPE_FOLDER) {
                        return false;
                }
                $this->buildAndSetTokenInstance(time(), self::getCookieMaxLifetimeInSeconds());
                ilWACLog::getInstance()->write('revalidating folder token');
                $this->saveFolderToken();
 
                return true;
        }

References buildAndSetTokenInstance(), ilWACLog\getInstance(), getType(), and saveFolderToken().

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◆ saveFolderToken()

ilWACSignedPath::saveFolderToken ( )

protected

Definition at line 122 of file class.ilWACSignedPath.php.

                                             {
                $cookie_lifetime = self::getCookieMaxLifetimeInSeconds();
                $str = 'save folder token for folder: ' . $this->getPathObject()->getDirName() . ', valid for ' . $cookie_lifetime . 's';
                ilWACLog::getInstance()->write($str);
                ilWACLog::getInstance()->write('token: ' . $this->getTokenInstance()->getToken());
                $id = $this->getTokenInstance()->getId();
                $expire = time() + $cookie_lifetime;
                $this->cookie->set($id, $this->getTokenInstance()->getToken(), time() + 24 * 3600, '/', null, false, false);
                $this->cookie->set($id . self::TS_SUFFIX, time(), $expire, '/', '', false, false);
                $this->cookie->set($id . self::TTL_SUFFIX, self::getCookieMaxLifetimeInSeconds(), $expire, '/', '', false, false);
        }

References getCookieMaxLifetimeInSeconds(), ilWACLog\getInstance(), getPathObject(), and getTokenInstance().

Referenced by revalidatingFolderToken().

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◆ setChecked()

ilWACSignedPath::setChecked ( $checked )

Parameters

boolean $checked

Definition at line 405 of file class.ilWACSignedPath.php.

                                             {
                $this->checked = $checked;
        }

References $checked.

Referenced by checkToken().

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◆ setCookieMaxLifetimeInSeconds()

static ilWACSignedPath::setCookieMaxLifetimeInSeconds ( $cookie_max_lifetime_in_seconds )

static

Parameters

$cookie_max_lifetime_in_seconds

Exceptions

ilWACException

Definition at line 362 of file class.ilWACSignedPath.php.

                                                                                              {
                if ($cookie_max_lifetime_in_seconds > self::MAX_LIFETIME) {
                        throw new ilWACException(ilWACException::MAX_LIFETIME);
                }
                self::$cookie_max_lifetime_in_seconds = $cookie_max_lifetime_in_seconds;
        }

References $cookie_max_lifetime_in_seconds, and ilWACException\MAX_LIFETIME.

◆ setPathObject()

ilWACSignedPath::setPathObject ( $path_object )

Parameters

ilWACPath $path_object

Definition at line 246 of file class.ilWACSignedPath.php.

                                                    {
                $this->path_object = $path_object;
        }

References $path_object.

Referenced by __construct().

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◆ setTokenInstance()

ilWACSignedPath::setTokenInstance ( ilWACToken $token_instance )

Parameters

ilWACToken $token_instance

Definition at line 214 of file class.ilWACSignedPath.php.

                                                                     {
                $this->token_instance = $token_instance;
        }

References $token_instance.

Referenced by buildAndSetTokenInstance().

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◆ setTokenMaxLifetimeInSeconds()

static ilWACSignedPath::setTokenMaxLifetimeInSeconds ( $token_max_lifetime_in_seconds )

static

Parameters

$token_max_lifetime_in_seconds

Exceptions

ilWACException

Definition at line 342 of file class.ilWACSignedPath.php.

                                                                                            {
                if ($token_max_lifetime_in_seconds > self::MAX_LIFETIME) {
                        throw new ilWACException(ilWACException::MAX_LIFETIME);
                }
                self::$token_max_lifetime_in_seconds = $token_max_lifetime_in_seconds;
        }

References $token_max_lifetime_in_seconds, and ilWACException\MAX_LIFETIME.

Referenced by ilObjTestGUI\printobject(), and ilObjCertificateSettingsGUI\settings().

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◆ setType()

ilWACSignedPath::setType ( $type )

Parameters

int $type

Definition at line 230 of file class.ilWACSignedPath.php.

                                       {
                $this->type = $type;
        }

References $type.

Referenced by isFolderSigned().

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◆ signFile()

static ilWACSignedPath::signFile ( $path_to_file )

static

Parameters

$path_to_file

Returns: string

Exceptions

ilWACException

Definition at line 175 of file class.ilWACSignedPath.php.

                                                       {
                if (!$path_to_file) {
                        return '';
                }
                $ilWACPath = new ilWACPath($path_to_file);
                if (!$ilWACPath->getClient()) {
                        return $path_to_file;
                }
                $obj = new self($ilWACPath);
                $obj->setType(self::TYPE_FILE);
                $obj->buildAndSetTokenInstance(time(), self::getTokenMaxLifetimeInSeconds());
 
                return $obj->getSignedPath();
        }

References getTokenMaxLifetimeInSeconds().

Referenced by ilObjUser\_getPersonalPicturePath(), ilRTE\_replaceMediaObjectImageSrc(), ilPollBlockGUI\fillRow(), ilMediaCastTableGUI\fillRow(), ilObjStyleSheet\getContentStylePath(), assImagemapQuestionGUI\getPreview(), ilPreviewGUI\getPreviewHTML(), assImagemapQuestionGUI\getSolutionOutput(), assImagemapQuestionGUI\getTestOutput(), ilObjPortfolioBaseGUI\renderFullscreenHeader(), ilObjBlogGUI\renderFullscreenHeader(), ilObjCertificateSettingsGUI\settings(), and ilObjMediaCastGUI\showGallery().

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◆ signFolderOfStartFile()

static ilWACSignedPath::signFolderOfStartFile	(		$start_file_path,
		ilWACCookieInterface	$ilWACCookieInterface = `null`
	)

static

Parameters

	$start_file_path
\ilWACCookieInterface \| null	$ilWACCookieInterface

Definition at line 195 of file class.ilWACSignedPath.php.

                                                                                                                          {
                $obj = new self(new ilWACPath($start_file_path), $ilWACCookieInterface);
                $obj->setType(self::TYPE_FOLDER);
                $obj->buildAndSetTokenInstance(time(), self::getCookieMaxLifetimeInSeconds());
                $obj->saveFolderToken();
        }

References getCookieMaxLifetimeInSeconds().

Referenced by ilSCORMPresentationGUI\frameset(), ilSCORM13Player\getPlayer(), ilSCORM13Player\pingSession(), ilSCORMPresentationGUI\pingSession(), ilObjMediaCastGUI\showGallery(), and ilObjFileBasedLMGUI\showLearningModule().

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Field Documentation

◆ $checked

ilWACSignedPath::$checked = false

protected

Definition at line 50 of file class.ilWACSignedPath.php.

Referenced by isChecked(), and setChecked().

◆ $cookie

ilWACSignedPath::$cookie = null

protected

Definition at line 46 of file class.ilWACSignedPath.php.

◆ $cookie_max_lifetime_in_seconds

ilWACSignedPath::$cookie_max_lifetime_in_seconds = 300

staticprotected

Definition at line 42 of file class.ilWACSignedPath.php.

Referenced by getCookieMaxLifetimeInSeconds(), and setCookieMaxLifetimeInSeconds().

◆ $path_object

ilWACSignedPath::$path_object = null

protected

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

Referenced by getPathObject(), and setPathObject().

◆ $token_instance

ilWACSignedPath::$token_instance = null

protected

Definition at line 30 of file class.ilWACSignedPath.php.

Referenced by getTokenInstance(), and setTokenInstance().

◆ $token_max_lifetime_in_seconds

ilWACSignedPath::$token_max_lifetime_in_seconds = 3

staticprotected

Definition at line 38 of file class.ilWACSignedPath.php.

Referenced by getTokenMaxLifetimeInSeconds(), and setTokenMaxLifetimeInSeconds().

◆ $type

ilWACSignedPath::$type = self::TYPE_FILE

protected

Definition at line 34 of file class.ilWACSignedPath.php.

Referenced by getType(), and setType().

◆ MAX_LIFETIME

const ilWACSignedPath::MAX_LIFETIME = 600

Definition at line 22 of file class.ilWACSignedPath.php.

◆ TS_SUFFIX

const ilWACSignedPath::TS_SUFFIX = 'ts'

Definition at line 20 of file class.ilWACSignedPath.php.

◆ TTL_SUFFIX

const ilWACSignedPath::TTL_SUFFIX = 'ttl'

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

◆ TYPE_FILE

const ilWACSignedPath::TYPE_FILE = 1

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

Referenced by buildTokenInstance(), and getRelevantLifeTime().

◆ TYPE_FOLDER

const ilWACSignedPath::TYPE_FOLDER = 2

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

Referenced by buildTokenInstance(), and getRelevantLifeTime().

◆ WAC_TIMESTAMP_ID

const ilWACSignedPath::WAC_TIMESTAMP_ID = 'il_wac_ts'

Definition at line 18 of file class.ilWACSignedPath.php.

Referenced by ilWACPath\handleParameters(), and ilWACPath\setTimestamp().

◆ WAC_TOKEN_ID

const ilWACSignedPath::WAC_TOKEN_ID = 'il_wac_token'

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

Referenced by ilWACPath\handleParameters(), and ilWACPath\setToken().

◆ WAC_TTL_ID

const ilWACSignedPath::WAC_TTL_ID = 'il_wac_ttl'

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

Referenced by ilWACPath\handleParameters(), and ilWACPath\setTTL().

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

Services/WebAccessChecker/classes/class.ilWACSignedPath.php

Public Member Functions

Static Public Member Functions

Data Fields

Protected Member Functions

Protected Attributes

Static Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ buildAndSetTokenInstance()

◆ buildTokenInstance()

◆ checkToken()

◆ getCookieMaxLifetimeInSeconds()

◆ getPathObject()

◆ getRelevantLifeTime()

◆ getSignedPath()

◆ getTokenInstance()

◆ getTokenMaxLifetimeInSeconds()

◆ getType()

◆ isChecked()

◆ isFolderSigned()

◆ isFolderTokenValid()

◆ isSignedPath()

◆ isSignedPathValid()

◆ revalidatingFolderToken()

◆ saveFolderToken()

◆ setChecked()

◆ setCookieMaxLifetimeInSeconds()

◆ setPathObject()

◆ setTokenInstance()

◆ setTokenMaxLifetimeInSeconds()

◆ setType()

◆ signFile()

◆ signFolderOfStartFile()

Field Documentation

◆ $checked

◆ $cookie

◆ $cookie_max_lifetime_in_seconds

◆ $path_object

◆ $token_instance

◆ $token_max_lifetime_in_seconds

◆ $type

◆ MAX_LIFETIME

◆ TS_SUFFIX

◆ TTL_SUFFIX

◆ TYPE_FILE

◆ TYPE_FOLDER

◆ WAC_TIMESTAMP_ID

◆ WAC_TOKEN_ID

◆ WAC_TTL_ID