Package play.mvc

Class CookieDataCodec

  • public class CookieDataCodec
extends java.lang.Object
    Provides operations around the encoding and decoding of Cookie data.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.util.regex.Pattern oldCookieSessionParser
      Cookie session parser for cookie created by version 1.2.5 or before.

    • Constructor Summary

      Constructors 
      Constructor Description
      CookieDataCodec()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void decode​(java.util.Map<java.lang.String,​java.lang.String> map, java.lang.String data)  
      static java.lang.String encode​(java.util.Map<java.lang.String,​java.lang.String> map)  
      static boolean safeEquals​(java.lang.String a, java.lang.String b)
      Constant time for same length String comparison, to prevent timing attacks

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • oldCookieSessionParser

        public static java.util.regex.Pattern oldCookieSessionParser
        Cookie session parser for cookie created by version 1.2.5 or before.

        We need it to support old Play 1.2.5 session data encoding so that the cookie data doesn't become invalid when applications are upgraded to a newer version of Play

    • Constructor Detail

      • CookieDataCodec

        public CookieDataCodec()

    • Method Detail

      • decode

        public static void decode​(java.util.Map<java.lang.String,​java.lang.String> map,
                          java.lang.String data)
                   throws java.io.UnsupportedEncodingException
        Parameters:
        map - the map to decode data into.
        data - the data to decode.
        Throws:
        java.io.UnsupportedEncodingException - if the encoding is not supported

      • encode

        public static java.lang.String encode​(java.util.Map<java.lang.String,​java.lang.String> map)
                               throws java.io.UnsupportedEncodingException
        Parameters:
        map - the data to encode.
        Returns:
        the encoded data.
        Throws:
        java.io.UnsupportedEncodingException - if the encoding is not supported

      • safeEquals

        public static boolean safeEquals​(java.lang.String a,
                                 java.lang.String b)
        Constant time for same length String comparison, to prevent timing attacks
        Parameters:
        a - The string a
        b - the string b
        Returns:
        true is the 2 strings are equals