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<?php |
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/** |
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* \PHPCompatibility\Sniffs\FunctionParameters\NonCryptoHashSniff. |
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* |
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* PHP version 7.2 |
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* |
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* @category PHP |
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* @package PHPCompatibility |
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* @author Juliette Reinders Folmer <[email protected]> |
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*/ |
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namespace PHPCompatibility\Sniffs\FunctionParameters; |
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use PHPCompatibility\AbstractFunctionCallParameterSniff; |
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/** |
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* \PHPCompatibility\Sniffs\FunctionParameters\NonCryptoHashSniff. |
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* |
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* Detect: "The hash_hmac(), hash_hmac_file(), hash_pbkdf2(), and hash_init() |
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* (with HASH_HMAC) functions no longer accept non-cryptographic hashes." |
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* |
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* PHP version 7.2 |
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* |
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* @category PHP |
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* @package PHPCompatibility |
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* @author Juliette Reinders Folmer <[email protected]> |
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*/ |
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class NonCryptoHashSniff extends AbstractFunctionCallParameterSniff |
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{ |
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/** |
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* Functions to check for. |
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* |
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* @var array |
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*/ |
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protected $targetFunctions = array( |
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'hash_hmac' => true, |
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'hash_hmac_file' => true, |
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'hash_init' => true, |
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'hash_pbkdf2' => true, |
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); |
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/** |
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* List of the non-cryptographic hashes. |
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* |
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* @var array |
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*/ |
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protected $disabledCryptos = array( |
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'adler32' => true, |
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'crc32' => true, |
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'crc32b' => true, |
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'fnv132' => true, |
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'fnv1a32' => true, |
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'fnv164' => true, |
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'fnv1a64' => true, |
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'joaat' => true, |
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); |
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/** |
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* Do a version check to determine if this sniff needs to run at all. |
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* |
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* @return bool |
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*/ |
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protected function bowOutEarly() |
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{ |
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return ($this->supportsAbove('7.2') === false); |
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} |
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/** |
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* Process the parameters of a matched function. |
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* |
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* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned. |
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* @param int $stackPtr The position of the current token in the stack. |
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* @param string $functionName The token content (function name) which was matched. |
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* @param array $parameters Array with information about the parameters. |
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* |
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* @return int|void Integer stack pointer to skip forward or void to continue |
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* normal file processing. |
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*/ |
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public function processParameters(\PHP_CodeSniffer_File $phpcsFile, $stackPtr, $functionName, $parameters) |
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{ |
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if (isset($parameters[1]) === false) { |
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return; |
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} |
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$targetParam = $parameters[1]; |
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if (isset($this->disabledCryptos[$this->stripQuotes($targetParam['raw'])]) === false) { |
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return; |
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} |
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if (strtolower($functionName) === 'hash_init' |
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&& (isset($parameters[2]) === false |
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|| ($parameters[2]['raw'] !== 'HASH_HMAC' |
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&& $parameters[2]['raw'] !== (string) HASH_HMAC)) |
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) { |
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// For hash_init(), these hashes are only disabled with HASH_HMAC set. |
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return; |
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} |
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$phpcsFile->addError( |
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'Non-cryptographic hashes are no longer accepted by function %s() since PHP 7.2. Found: %s', |
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$targetParam['start'], |
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$this->stringToErrorCode($functionName), |
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array( |
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$functionName, |
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$targetParam['raw'], |
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) |
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); |
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} |
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}//end class |
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wimg /
PHPCompatibility
