ilCaptchaUtil Class Reference

Captcha util. More...

Collaboration diagram for ilCaptchaUtil:

Static Public Member Functions
static	checkFreetype ()
	Check whether captcha support is active. More...
static	__callStatic ($name, array $arguments=array())

Data Fields
const	CONTEXT_FORUM = 'frm'
const	CONTEXT_LOGIN = 'auth'
const	CONTEXT_REGISTRATION = 'reg'
const	CONTEXT_WIKI = 'wiki'

Static Protected Attributes
static	$context_map

Static Private Member Functions
static	getSupportedContexts ()

Detailed Description

Captcha util.

Author

Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Michael Jansen mjans.nosp@m.en@d.nosp@m.ataba.nosp@m.y.de

Version

$Id$

Definition at line 11 of file class.ilCaptchaUtil.php.

Member Function Documentation

__callStatic()

static ilCaptchaUtil::__callStatic (   $name, array  $arguments = array()  )

static

Parameters

string	$name
array	$arguments

Returns

bool

Exceptions

BadMethodCallException

Definition at line 43 of file class.ilCaptchaUtil.php.

    {
        if (
            strpos($name, 'isActiveFor') === 0 ||
            strpos($name, 'setActiveFor') === 0
        ) {
            $settings = new ilSetting('cptch');
            $supported_contexts = self::getSupportedContexts();
            $method_parts = explode('_', strtolower(preg_replace('/([a-z])([A-Z])/', '$1_$2', $name)));
            $requested_context = strtolower($method_parts[count($method_parts) - 1]);
            if (!isset($requested_context, self::$context_map)) {
                throw new BadMethodCallException('Method ' . $name . ' called for a non existing context.');
            }
 
            if ('set' == $method_parts[0]) {
                $settings->set('activate_captcha_anonym_' . $supported_contexts[$requested_context], (int) $arguments[0]);
                return;
            } else {
                return self::checkFreetype() && (bool) $settings->get('activate_captcha_anonym_' . $supported_contexts[$requested_context], false);
            }
        } else {
            throw new BadMethodCallException('Call to an undefined static method ' . $name . ' in class ' . __CLASS__ . '.');
        }
    }

References $name, checkFreetype(), and getSupportedContexts().

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checkFreetype()

static ilCaptchaUtil::checkFreetype ( )

static

Check whether captcha support is active.

Returns

bool

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

    {
        if (function_exists('imageftbbox')) {
            ilLoggerFactory::getLogger('auth')->debug('Function imageftbox is available.');
            return true;
        }
        ilLoggerFactory::getLogger('auth')->debug('Function imageftbox is not available.');
        return false;
    }

References ilLoggerFactory\getLogger().

Referenced by __callStatic(), ilObjForumAdministrationGUI\getSettingsForm(), ilObjAuthSettingsGUI\initAuthModeDetermination(), ilObjWikiSettingsGUI\initForm(), and ilRegistrationSettingsGUI\initForm().

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getSupportedContexts()

static ilCaptchaUtil::getSupportedContexts ( )

staticprivate

Returns

array

Definition at line 87 of file class.ilCaptchaUtil.php.

    {
        if (null !== self::$context_map) {
            return self::$context_map;
        }
 
        self::$context_map = array();
 
        $r = new ReflectionClass(new self());
        $constants = $r->getConstants();
        foreach ($constants as $name => $value) {
            if (strpos($name, 'CONTEXT_') === 0) {
                self::$context_map[strtolower(substr($name, strlen('CONTEXT_')))] = $value;
            }
        }
 
        return self::$context_map;
    }

References $context_map, $name, and $r.

Referenced by __callStatic().

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Field Documentation

$context_map

ilCaptchaUtil::$context_map

staticprotected

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

Referenced by getSupportedContexts().

CONTEXT_FORUM

const ilCaptchaUtil::CONTEXT_FORUM = 'frm'

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

CONTEXT_LOGIN

const ilCaptchaUtil::CONTEXT_LOGIN = 'auth'

Definition at line 14 of file class.ilCaptchaUtil.php.

CONTEXT_REGISTRATION

const ilCaptchaUtil::CONTEXT_REGISTRATION = 'reg'

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

CONTEXT_WIKI

const ilCaptchaUtil::CONTEXT_WIKI = 'wiki'

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

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

• Services/Captcha/classes/class.ilCaptchaUtil.php