Open Journal Systems  2.4.8
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CaptchaManager Class Reference

Public Member Functions

 _performPeriodicCleanup ()
 CaptchaManager ()
createCaptcha ($length=6)
 generateImage (&$captcha)
 getHeight ()
 getMimeType ()
 getWidth ()
 isEnabled ()

Detailed Description

Class providing captcha services.

See Also
CaptchaDAO, Captcha

Definition at line 20 of file

Member Function Documentation

CaptchaManager::_performPeriodicCleanup ( )

Private function: Perform periodic cleanup on the CAPTCHA table.

Definition at line 132 of file

References DAORegistry\getDAO().

Referenced by CaptchaManager().

CaptchaManager::CaptchaManager ( )

Constructor. Create a manager for handling temporary file uploads.

Definition at line 25 of file

References _performPeriodicCleanup().

& CaptchaManager::createCaptcha (   $length = 6)

Create a CAPTCHA object.

$lengthint The length, in characters, of the CAPTCHA test to create
object Captcha

Definition at line 34 of file

References Validation\generatePassword(), DAORegistry\getDAO(), PKPRequest\getSession(), and isEnabled().

CaptchaManager::generateImage ( $captcha)

Generate and display the CAPTCHA image.

$captchaobject Captcha

Definition at line 76 of file

References getHeight(), getMimeType(), Config\getVar(), getWidth(), String\strlen(), and String\substr().

CaptchaManager::getHeight ( )

Get the height, in pixels, of the CAPTCHA test to create

int Height

Definition at line 60 of file

Referenced by generateImage().

CaptchaManager::getMimeType ( )

Get the MIME type of the CAPTCHA image that will be generated


Definition at line 68 of file

Referenced by generateImage().

CaptchaManager::getWidth ( )

Get the width, in pixels, of the CAPTCHA test to create

int Width

Definition at line 52 of file

Referenced by generateImage().

CaptchaManager::isEnabled ( )

Determine whether or not CAPTCHA testing is enabled and supported.


Definition at line 122 of file

References Config\getVar().

Referenced by createCaptcha().

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