svn commit: r1468895 - in /oltu/trunk/oauth-2.0/jwt/src/main/org: ./ apache/ apache/oltu/ apache/oltu/oauth2/ apache/oltu/oauth2/jwt/ apache/oltu/oauth2/jwt/JWTUtil.java

[as...@apache.org]

Author: asanso
Date: Wed Apr 17 13:14:00 2013
New Revision: 1468895

URL: http://svn.apache.org/r1468895
Log:
OLTU-78 - Implement Plaintext JWT :

* added JWT utility methods

Added:
    oltu/trunk/oauth-2.0/jwt/src/main/org/
    oltu/trunk/oauth-2.0/jwt/src/main/org/apache/
    oltu/trunk/oauth-2.0/jwt/src/main/org/apache/oltu/
    oltu/trunk/oauth-2.0/jwt/src/main/org/apache/oltu/oauth2/
    oltu/trunk/oauth-2.0/jwt/src/main/org/apache/oltu/oauth2/jwt/
    oltu/trunk/oauth-2.0/jwt/src/main/org/apache/oltu/oauth2/jwt/JWTUtil.java

Added: oltu/trunk/oauth-2.0/jwt/src/main/org/apache/oltu/oauth2/jwt/JWTUtil.java
URL: http://svn.apache.org/viewvc/oltu/trunk/oauth-2.0/jwt/src/main/org/apache/oltu/oauth2/jwt/JWTUtil.java?rev=1468895&view=auto
==============================================================================
--- oltu/trunk/oauth-2.0/jwt/src/main/org/apache/oltu/oauth2/jwt/JWTUtil.java (added)
+++ oltu/trunk/oauth-2.0/jwt/src/main/org/apache/oltu/oauth2/jwt/JWTUtil.java Wed Apr 17 13:14:00 2013
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.oltu.oauth2.jwt;
+
+import java.nio.charset.Charset;
+import org.apache.commons.codec.binary.Base64;
+
+/**
+ * This class contains utility methods required for the JWT building and
+ * processing.
+ * 
+ */
+public class JWTUtil {     
+	
+	
+	
+	/**
+	 * Get the Header as defined in the 6.1 section of the JWT
+	 * specification (http://tools.ietf.org/html/draft-ietf-oauth-json-web-token-06#section-6.1)
+	 * 
+	 * @param base64jsonString
+	 * @return the decoded JWT header
+	 */
+	public static  String getHeader(String base64jsonString){
+		return decodeJSON(base64jsonString.split("\\.")[0]);		
+	}
+	
+	/**
+	 * Get the Claims Set as defined in the 6.1 section of the JWT
+	 * specification (http://tools.ietf.org/html/draft-ietf-oauth-json-web-token-06#section-6.1)
+	 * 
+	 * @param base64jsonString
+	 * @return the decoded JWT claim set
+	 */
+	public static  String getClaimsSet(String base64jsonString){
+		return decodeJSON(base64jsonString.split("\\.")[1]);		
+	}
+	
+	private static String decodeJSON(String base64jsonString){
+		return new String(new Base64(true).decode(base64jsonString),Charset.forName("UTF-8"));
+	}
+}