WIBUHAX0R1337

- WIBUHAX0R1337 -

/home/cideo/library/Zend/Captcha/ [ Home ]

Create Folder Create File

<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Captcha
 * @subpackage Adapter
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/** Zend_Captcha_Base */
require_once 'Zend/Captcha/Base.php';

/**
 * Word-based captcha adapter
 *
 * Generates random word which user should recognise
 *
 * @category   Zend
 * @package    Zend_Captcha
 * @subpackage Adapter
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: $
 */
abstract class Zend_Captcha_Word extends Zend_Captcha_Base
{
    /**#@+
     * @var array Character sets
     */
    static $V  = array("a", "e", "i", "o", "u", "y");
    static $VN = array("a", "e", "i", "o", "u", "y","2","3","4","5","6","7","8","9");
    static $C  = array("b","c","d","f","g","h","j","k","m","n","p","q","r","s","t","u","v","w","x","z");
    static $CN = array("b","c","d","f","g","h","j","k","m","n","p","q","r","s","t","u","v","w","x","z","2","3","4","5","6","7","8","9");
    /**#@-*/

/**
     * Random session ID
     *
     * @var string
     */
    protected $_id;

/**
     * Generated word
     *
     * @var string
     */
    protected $_word;

/**
     * Session
     *
     * @var Zend_Session_Namespace
     */
    protected $_session;

/**
     * Class name for sessions
     *
     * @var string
     */
    protected $_sessionClass = 'Zend_Session_Namespace';

/**
     * Should the numbers be used or only letters
     *
     * @var boolean
     */
    protected $_useNumbers = true;

/**
     * Should both cases be used or only lowercase
     *
     * @var boolean
     */
    // protected $_useCase = false;

/**
     * Session lifetime for the captcha data
     *
     * @var integer
     */
    protected $_timeout = 300;

/**#@+
     * Error codes
     * @const string
     */
    const MISSING_VALUE = 'missingValue';
    const MISSING_ID    = 'missingID';
    const BAD_CAPTCHA   = 'badCaptcha';
    /**#@-*/

/**
     * Error messages
     * @var array
     */
    protected $_messageTemplates = array(
        self::MISSING_VALUE => 'Empty captcha value',
        self::MISSING_ID    => 'Captcha ID field is missing',
        self::BAD_CAPTCHA   => 'Captcha value is wrong',
    );

/**
     * Length of the word to generate
     *
     * @var integer
     */
    protected $_wordlen = 8;

/**
     * Retrieve session class to utilize
     *
     * @return string
     */
    public function getSessionClass()
    {
        return $this->_sessionClass;
    }

/**
     * Set session class for persistence
     *
     * @param  string $_sessionClass
     * @return Zend_Captcha_Word
     */
    public function setSessionClass($_sessionClass)
    {
        $this->_sessionClass = $_sessionClass;
        return $this;
    }

/**
     * Retrieve word length to use when genrating captcha
     *
     * @return integer
     */
    public function getWordlen()
    {
        return $this->_wordlen;
    }

/**
     * Set word length of captcha
     *
     * @param integer $wordlen
     * @return Zend_Captcha_Word
     */
    public function setWordlen($wordlen)
    {
        $this->_wordlen = $wordlen;
        return $this;
    }

/**
     * Retrieve captcha ID
     *
     * @return string
     */
    public function getId ()
    {
        if (null === $this->_id) {
            $this->_setId($this->_generateRandomId());
        }
        return $this->_id;
    }

/**
     * Set captcha identifier
     *
     * @param string $id
     * return Zend_Captcha_Word
     */
    protected function _setId ($id)
    {
        $this->_id = $id;
        return $this;
    }

/**
     * Set timeout for session token
     *
     * @param  int $ttl
     * @return Zend_Captcha_Word
     */
    public function setTimeout($ttl)
    {
        $this->_timeout = (int) $ttl;
        return $this;
    }

/**
     * Get session token timeout
     *
     * @return int
     */
    public function getTimeout()
    {
        return $this->_timeout;
    }

/**
     * Get session object
     *
     * @return Zend_Session_Namespace
     */
    public function getSession()
    {
        if (!isset($this->_session) || (null === $this->_session)) {
            $id = $this->getId();
            $this->_session = new $this->_sessionClass('Zend_Form_Captcha_' . $id);
            $this->_session->setExpirationHops(1, null, true);
            $this->_session->setExpirationSeconds($this->getTimeout());
        }
        return $this->_session;
    }

/**
     * Set session namespace object
     *
     * @param  Zend_Session_Namespace $session
     * @return Zend_Captcha_Word
     */
    public function setSession(Zend_Session_Namespace $session)
    {
        $this->_session = $session;
        return $this;
    }

/**
     * Get captcha word
     *
     * @return string
     */
    public function getWord()
    {
        if (empty($this->_word)) {
            $session     = $this->getSession();
            $this->_word = $session->word;
        }
        return $this->_word;
    }

/**
     * Set captcha word
     *
     * @param  string $word
     * @return Zend_Captcha_Word
     */
    protected function _setWord($word)
    {
        $session       = $this->getSession();
        $session->word = $word;
        $this->_word   = $word;
        return $this;
    }

/**
     * Generate new random word
     *
     * @return string
     */
    protected function _generateWord()
    {
        $word       = '';
        $wordLen    = $this->getWordLen();
        $vowels     = $this->_useNumbers ? self::$VN : self::$V;
        $consonants = $this->_useNumbers ? self::$CN : self::$C;

for ($i=0; $i < $wordLen; $i = $i + 2) {
            // generate word with mix of vowels and consonants
            $consonant = $consonants[array_rand($consonants)];
            $vowel     = $vowels[array_rand($vowels)];
            $word     .= $consonant . $vowel;
        }

if (strlen($word) > $wordLen) {
            $word = substr($word, 0, $wordLen);
        }

return $word;
    }

/**
     * Generate new session ID and new word
     *
     * @return string session ID
     */
    public function generate()
    {
        $this->_session = null;
        $id             = $this->_generateRandomId();
        $this->_setId($id);
        $word           = $this->_generateWord();
        $this->_setWord($word);
        return $id;
    }

protected function _generateRandomId()
    {
        return md5(mt_rand(0, 1000) . microtime(true));
    }

/**
     * Validate the word
     *
     * @see    Zend_Validate_Interface::isValid()
     * @param  mixed $value
     * @return boolean
     */
    public function isValid($value, $context = null)
    {
        if (!is_array($value) && !is_array($context)) {
            $this->_error(self::MISSING_VALUE);
            return false;
        }
        if (!is_array($value) && is_array($context)) {
            $value = $context;
        }

$name = $this->getName();

if (isset($value[$name])) {
            $value = $value[$name];
        }

if (!isset($value['input'])) {
            $this->_error(self::MISSING_VALUE);
            return false;
        }
        $input = strtolower($value['input']);
        $this->_setValue($input);

if (!isset($value['id'])) {
            $this->_error(self::MISSING_ID);
            return false;
        }

$this->_id = $value['id'];
        if ($input !== $this->getWord()) {
            $this->_error(self::BAD_CAPTCHA);
            return false;
        }

return true;
    }

/**
     * Get captcha decorator
     *
     * @return string
     */
    public function getDecorator()
    {
        return "Captcha_Word";
    }
}

Nama File / Folder	Size	Action
Dumb.php	1.542KB	Edit File Delete File Rename
Figlet.php	2.193KB	Edit File Delete File Rename
ReCaptcha.php	6.388KB	Edit File Delete File Rename
Word.php	8.625KB	Edit File Delete File Rename