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<?php |
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|
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namespace WP_Defender\Behavior\Scan; |
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|
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use Calotes\Component\Behavior; |
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use PHP_CodeSniffer\Config; |
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use PHP_CodeSniffer\Exceptions\TokenizerException; |
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use PHP_CodeSniffer\Tokenizers\PHP; |
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use WP_Defender\Component\Scan\Tokens; |
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use WP_Defender\Traits\IO; |
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|
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/** |
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* We need to verify the result to avoid false positive. |
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* |
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* Class Malware_Deep_Scan |
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* @package WP_Defender\Behavior\Scan |
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*/ |
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class Malware_Deep_Scan extends Behavior { |
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use IO; |
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|
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/** |
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* @param $file |
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* @param $rules |
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* @param $quick_found |
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* |
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* @return bool|array |
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*/ |
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public function do_deep_scan( $file, $rules, $quick_found ) { |
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$this->load_phpcodesniffer_needed(); |
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if ( ! defined( 'PHP_CODESNIFFER_VERBOSITY' ) ) { |
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define( 'PHP_CODESNIFFER_VERBOSITY', 0 ); |
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} |
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if ( ! defined( 'PHP_CODESNIFFER_CBF' ) ) { |
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define( 'PHP_CODESNIFFER_CBF', false ); |
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} |
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$content = file_get_contents( $file ); |
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try { |
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$parser = new PHP( $content, $this->make_phpsniff_config(), PHP_EOL ); |
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Tokens::$tokens = $parser->getTokens(); |
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foreach ( $quick_found as &$item ) { |
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if ( ! isset( $item['catches'] ) || ! is_array( $item['catches'] ) ) { |
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continue; |
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} |
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foreach ( $item['catches'] as &$catch ) { |
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$offset = $catch['offset']; |
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$catch['line'] = Tokens::get_line_from_offset( $content, $offset ); |
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$catch['mapper'] = Tokens::get_offsets_map( Tokens::get_tokens_by_line( $catch['line'] ) ); |
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$code = Tokens::formatter( Tokens::get_tokens_by_line( $catch['line'] ) ); |
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$tokens = Tokens::get_tokens_by_line( $catch['line'] ); |
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foreach ( $tokens as $k => $token ) { |
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if ( in_array( $token['code'], [ |
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T_DOC_COMMENT_WHITESPACE, |
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T_DOC_COMMENT_STAR, |
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T_DOC_COMMENT_WHITESPACE, |
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T_DOC_COMMENT_STRING |
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] ) ) { |
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unset( $tokens[ $k ] ); |
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} |
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} |
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$tokens = array_filter( $tokens ); |
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if ( empty( $tokens ) ) { |
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// This mean the catch is comment, do nothing. |
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return false; |
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} |
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unset( $catch['text'] ); |
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//$catch['code'] = $code; |
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} |
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} |
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|
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return $quick_found; |
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} catch ( TokenizerException $e ) { |
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$this->log( $e->getMessage() ); |
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} |
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|
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return false; |
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} |
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|
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private function load_phpcodesniffer_needed() { |
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$ds = DIRECTORY_SEPARATOR; |
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$vendor_path = defender_path( 'src/extra/php-codesniffer-php-token' ); |
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if ( ! class_exists( \PHP_CodeSniffer\Util\Tokens::class ) ) { |
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require_once $vendor_path . $ds . 'Util' . $ds . 'Tokens.php'; |
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} |
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if ( ! class_exists( \PHP_CodeSniffer\Util\Common::class ) ) { |
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require_once $vendor_path . $ds . 'Util' . $ds . 'Common.php'; |
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} |
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|
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if ( ! class_exists( \PHP_CodeSniffer\Tokenizers\Tokenizer::class ) ) { |
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require_once $vendor_path . $ds . 'Tokenizers' . $ds . 'Tokenizer.php'; |
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} |
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|
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if ( ! class_exists( \PHP_CodeSniffer\Tokenizers\PHP::class ) ) { |
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require_once $vendor_path . $ds . 'Tokenizers' . $ds . 'PHP.php'; |
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} |
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|
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if ( ! class_exists( \PHP_CodeSniffer\Tokenizers\Comment::class ) ) { |
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require_once $vendor_path . $ds . 'Tokenizers' . $ds . 'Comment.php'; |
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} |
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|
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if ( ! class_exists( \PHP_CodeSniffer\Util\Standards::class ) ) { |
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require_once $vendor_path . $ds . 'Util' . $ds . 'Standards.php'; |
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} |
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|
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if ( ! class_exists( \PHP_CodeSniffer\Exceptions\RuntimeException::class ) ) { |
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require_once $vendor_path . $ds . 'Exceptions' . $ds . 'RuntimeException.php'; |
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} |
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|
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if ( ! class_exists( \PHP_CodeSniffer\Exceptions\DeepExitException::class ) ) { |
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require_once $vendor_path . $ds . 'Exceptions' . $ds . 'DeepExitException.php'; |
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} |
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|
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if ( ! class_exists( \PHP_CodeSniffer\Config::class ) ) { |
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require_once $vendor_path . $ds . 'Config.php'; |
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} |
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} |
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|
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/** |
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* @return Config |
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*/ |
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private function make_phpsniff_config() { |
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$config = new \stdClass(); |
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$config->files = []; |
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$config->standards = [ 'PEAR' ]; |
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$config->verbosity = 0; |
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$config->interactive = false; |
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$config->cache = false; |
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$config->cacheFile = null; |
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$config->colors = false; |
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$config->explain = false; |
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$config->local = false; |
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$config->showSources = true; |
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$config->showProgress = false; |
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$config->quiet = false; |
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$config->annotations = true; |
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$config->parallel = 1; |
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$config->tabWidth = 0; |
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$config->encoding = 'utf-8'; |
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$config->extensions = [ |
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'php' => 'PHP', |
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'inc' => 'PHP', |
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'js' => 'JS', |
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'css' => 'CSS', |
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]; |
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$config->sniffs = []; |
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$config->exclude = []; |
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$config->ignored = []; |
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$config->reportFile = null; |
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$config->generator = null; |
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$config->filter = null; |
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$config->bootstrap = []; |
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$config->basepath = null; |
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$config->reports = [ 'full' => null ]; |
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$config->reportWidth = 'auto'; |
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$config->errorSeverity = 5; |
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$config->warningSeverity = 5; |
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$config->recordErrors = true; |
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$config->suffix = ''; |
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$config->stdin = true; |
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$config->stdinContent = null; |
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$config->stdinPath = null; |
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$config->unknown = []; |
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|
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return $config; |
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} |
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} |
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