Executes the filter with given request and response objects.
Implements Filterable. Definition at line 55 of file class_GraphicalCodeCaptchaVerifierFilter.php. References Responseable.addFatalMessage(), ObjectFactory.createObjectByConfiguredName(), Requestable.getRequestElement(), and Requestable.requestIsValid(). 00055 { 00056 // Get the captcha code 00057 $captchaCode = $requestInstance->getRequestElement('c_code'); 00058 00059 // Is this set? 00060 if (is_null($captchaCode)) { 00061 // Not set so request is invalid 00062 $requestInstance->requestIsValid(false); 00063 00064 // Add fatal message 00065 $responseInstance->addFatalMessage('captcha_code_unset'); 00066 00067 // Skip further processing 00068 return false; 00069 } elseif (empty($captchaCode)) { 00070 // Empty value so request is invalid 00071 $requestInstance->requestIsValid(false); 00072 00073 // Add fatal message 00074 $responseInstance->addFatalMessage('captcha_code_empty'); 00075 00076 // Skip further processing 00077 return false; 00078 } 00079 00080 // Get the hash as well 00081 $captchaHash = $requestInstance->getRequestElement('hash'); 00082 00083 // Is this set? 00084 if (is_null($captchaHash)) { 00085 // Not set so request is invalid 00086 $requestInstance->requestIsValid(false); 00087 00088 // Add fatal message 00089 $responseInstance->addFatalMessage('captcha_hash_unset'); 00090 00091 // Skip further processing 00092 return false; 00093 } elseif (empty($captchaHash)) { 00094 // Empty value so request is invalid 00095 $requestInstance->requestIsValid(false); 00096 00097 // Add fatal message 00098 $responseInstance->addFatalMessage('captcha_hash_empty'); 00099 00100 // Skip further processing 00101 return false; 00102 } 00103 00104 // Now, both are set hash the given one. First get a crypto instance 00105 $cryptoInstance = ObjectFactory::createObjectByConfiguredName('crypto_class'); 00106 00107 // Then hash the code 00108 $hashedCode = $cryptoInstance->hashString($captchaCode, $captchaHash); 00109 00110 // Is this CAPTCHA valid? 00111 if ($hashedCode != $captchaHash) { 00112 // Not the same so request is invalid 00113 $requestInstance->requestIsValid(false); 00114 00115 // Add fatal message 00116 $responseInstance->addFatalMessage('captcha_hash_mismatch'); 00117 } // END - not the same! 00118 }
Here is the call graph for this function:
|
