oxCaptcha Class Reference

Inheritance diagram for oxCaptcha:

Collaboration diagram for oxCaptcha:

Public Member Functions
	getText ()
	getHash ($sText=null)
	getTextHash ($sText)
	getImageUrl ()
	isImageVisible ()
	pass ($sMac, $sMacHash)
Public Member Functions inherited from oxSuperCfg
	__call ($sMethod, $aArgs)
	__construct ()
	getConfig ()
	setConfig ($oConfig)
	getSession ()
	setSession ($oSession)
	getUser ()
	setUser ($oUser)
	isAdmin ()
	setAdminMode ($blAdmin)

Protected Member Functions
	_passFromSession ($sMacHash, $sHash, $iTime)
	_passFromDb ($iMacHash, $sHash, $iTime)

Protected Attributes
	$_iMacLength = 5
	$_sText = null
	$_iTimeout = 300

Private Attributes
	$_sMacChars = 'abcdefghijkmnpqrstuvwxyz23456789'

Additional Inherited Members
Static Protected Attributes inherited from oxSuperCfg
static	$_oConfig = null
static	$_oSession = null
static	$_oRights = null
static	$_oActUser = null
static	$_blIsAdmin = null

Detailed Description

Class handling CAPTCHA image This class requires utility file utils/verificationimg.php as image generator

Definition at line 8 of file oxcaptcha.php.

Member Function Documentation

oxCaptcha::_passFromDb (   $iMacHash,   $sHash,   $iTime  )

protected

Checks for DB captcha hash validity

Parameters

int	$iMacHash	hash key
string	$sHash	captcha hash
int	$iTime	check time

Returns

bool

Definition at line 164 of file oxcaptcha.php.

oxCaptcha::_passFromSession (   $sMacHash,   $sHash,   $iTime  )

protected

Checks for session captcha hash validity

Parameters

string	$sMacHash	hash key
string	$sHash	captcha hash
int	$iTime	check time

Returns

bool

Definition at line 138 of file oxcaptcha.php.

oxCaptcha::getHash

(

$sText = null

)

Returns text hash

Parameters

string

$sText

User supplie text

Returns

string

Definition at line 63 of file oxcaptcha.php.

oxCaptcha::getImageUrl

(

)

Returns url to CAPTCHA image generator.

Returns

string

Definition at line 109 of file oxcaptcha.php.

oxCaptcha::getText

(

)

Returns text

Returns

string

Definition at line 44 of file oxcaptcha.php.

oxCaptcha::getTextHash

(

$sText

)

Returns given string captcha hash

Parameters

string

$sText

string to hash

Returns

string

Definition at line 93 of file oxcaptcha.php.

oxCaptcha::isImageVisible

(

)

Checks if image could be generated

Returns

bool

Definition at line 124 of file oxcaptcha.php.

oxCaptcha::pass	(		$sMac,
			$sMacHash
	)

Verifies captcha input vs supplied hash. Returns true on success.

Parameters

string	$sMac	User supplied text
string	$sMacHash	Generated hash

Returns

bool

Definition at line 191 of file oxcaptcha.php.

Member Data Documentation

oxCaptcha::$_iMacLength = 5

protected

Definition at line 16 of file oxcaptcha.php.

oxCaptcha::$_iTimeout = 300

protected

Definition at line 37 of file oxcaptcha.php.

oxCaptcha::$_sMacChars = 'abcdefghijkmnpqrstuvwxyz23456789'

private

Definition at line 30 of file oxcaptcha.php.

oxCaptcha::$_sText = null

protected

Definition at line 23 of file oxcaptcha.php.

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

• core/oxcaptcha.php