これもだめ（Re:xmobile＆ protectスパム誤判定）

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<?php
 
// Don't enable this for site using single-byte
// Perhaps, japanese, schinese, tchinese, and korean can use it
 
class protector_postcommon_post_need_multibyte extends ProtectorFilterAbstract {
 
	function execute()
	{
		global $xoopsUser ;
	
		if( ! function_exists( 'mb_strlen' ) ) return true ;
	
		// registered users always pass this plugin
		if( is_object( $xoopsUser ) ) return true ;
	
		$multibyte_cheked = false ; 
		$multibyte_ok = false ; 
	
		$lengths = array(
			0 => 40 ,	 //
			'message' => 2 ,
			'com_text' => 2 ,
			'excerpt' => 2 ,
		) ;
	
		foreach( $_POST as $key => $data ) {
			// dare to ignore arrays/objects
			if( ! is_string( $data ) ) continue ;
	
			$check_length = isset( $lengths[ $key ] ) ? $lengths[ $key ] : $lengths[ 0 ] ;
			if( strlen( $data ) > $check_length ) {
				$multibyte_cheked = true ;
				if( strlen( $data ) > mb_strlen( $data ))  {
					$multibyte_ok = true ;
					break;
				}
			}
		}
		if( ( $multibyte_cheked == true ) && ( $multibyte_ok == false ) ) {
			$this->protector->message .= "No multibyte character was found ($data)\n" ;
			$this->protector->output_log( 'Singlebyte SPAM' , 0 , false , 128 ) ;
			die( 'Protector rejects your post, because your post looks like SPAM' ) ;
		}
		return true ;
	}
 
}
 
?>