generate_tripcode() rewrite

inc/functions.php

@@ -1384,40 +1384,37 @@
 		return substr(sha1(sha1($ip . $config['secure_trip_salt'] . $thread) . $config['secure_trip_salt']), 0, $config['poster_id_length']);
 	}
  
-	function generate_tripcode($name, $length = 10){
+	function generate_tripcode($name) {
 		global $config;
-		$t = explode('#', $name);
+		
-		$nameo = $t[0];
+		if(!preg_match('/^([^#]+)?(##|#)(.+)$/', $name, $match))
-		if ( isset ( $t[1] ) || isset ( $t[2] ) ) {
+			return Array($name);
-			$trip = ( ( strlen ( $t[1] ) > 0 ) ? $t[1] : $t[2] );
+		
-			if ( ( function_exists ( 'mb_convert_encoding' ) ) ) {
+		$name = $match[1];
-				// multi-byte encoding is necessary to produce standard tripcode output, but only use it if available
+		$secure = $match[2] == '##';
-				mb_substitute_character('none');
+		$trip = $match[3];
-				$recoded_cap = mb_convert_encoding ( $trip, 'Shift_JIS', 'UTF-8' );
+		
-			}
+		// convert to SHIT_JIS encoding
-			$trip = ( ( ! empty ( $recoded_cap ) ) ? $recoded_cap : $trip );
+		$trip = mb_convert_encoding($trip, 'Shift_JIS', 'UTF-8');
-			$salt = substr ( $trip.'H.', 1, 2 );
+		
-			$salt = preg_replace ( '/[^\.-z]/', '.', $salt );
+		// generate salt
-			$salt = strtr ( $salt, ':;<=>?@[\]^_`', 'ABCDEFGabcdef' );
+		$salt = substr($trip . 'H..', 1, 2);
-			if ( isset ( $t[2] ) ) {
+		$salt = preg_replace('/[^\.-z]/', '.', $salt);
-				// secure
+		$salt = strtr($salt, ':;<=>?@[\]^_`', 'ABCDEFGabcdef');
+		
+		if($secure) {
 			if(isset($config['custom_tripcode']["##{$trip}"]))
 				$trip = $config['custom_tripcode']["##{$trip}"];
 			else
-					$trip = '!!' . substr ( crypt ( $trip, $config['secure_trip_salt'] ), ( -1 * $length ) );
+				$trip = '!!' . substr(crypt($trip, $config['secure_trip_salt']), -10);
 		} else {
-				// insecure
 			if(isset($config['custom_tripcode']["#{$trip}"]))
 				$trip = $config['custom_tripcode']["#{$trip}"];
 			else
-					$trip = '!' . substr ( crypt ( $trip, $salt ), ( -1 * $length ) );
+				$trip = '!' . substr(crypt($trip, $salt), -10);
-			}
-		}
-		if ( isset ( $trip ) ) {
-			return array ( $nameo, $trip );
-		} else {
-			return array ( $nameo );
 		}
+		
+		return Array($name, $trip);
 	}
 		
 	// Highest common factor