001/*
002 * nimbus-jose-jwt
003 *
004 * Copyright 2012-2016, Connect2id Ltd.
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
007 * this file except in compliance with the License. You may obtain a copy of the
008 * License at
009 *
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software distributed
013 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
014 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
015 * specific language governing permissions and limitations under the License.
016 */
017
018package com.nimbusds.jwt;
019
020
021import java.text.ParseException;
022
023import net.jcip.annotations.ThreadSafe;
024
025import net.minidev.json.JSONObject;
026
027import com.nimbusds.jose.JOSEObject;
028import com.nimbusds.jose.JWSHeader;
029import com.nimbusds.jose.JWSObject;
030import com.nimbusds.jose.Payload;
031import com.nimbusds.jose.util.Base64URL;
032
033
034/**
035 * Signed JSON Web Token (JWT).
036 *
037 * @author Vladimir Dzhuvinov
038 * @version 2015-08-19
039 */
040@ThreadSafe
041public class SignedJWT extends JWSObject implements JWT {
042
043
044        private static final long serialVersionUID = 1L;
045
046
047        /**
048         * Creates a new to-be-signed JSON Web Token (JWT) with the specified
049         * header and claims set. The initial state will be 
050         * {@link com.nimbusds.jose.JWSObject.State#UNSIGNED unsigned}.
051         *
052         * @param header    The JWS header. Must not be {@code null}.
053         * @param claimsSet The JWT claims set. Must not be {@code null}.
054         */
055        public SignedJWT(final JWSHeader header, final JWTClaimsSet claimsSet) {
056
057                super(header, new Payload(claimsSet.toJSONObject()));
058        }
059
060
061        /**
062         * Creates a new signed JSON Web Token (JWT) with the specified 
063         * serialised parts. The state will be 
064         * {@link com.nimbusds.jose.JWSObject.State#SIGNED signed}.
065         *
066         * @param firstPart  The first part, corresponding to the JWS header. 
067         *                   Must not be {@code null}.
068         * @param secondPart The second part, corresponding to the claims set
069         *                   (payload). Must not be {@code null}.
070         * @param thirdPart  The third part, corresponding to the signature.
071         *                   Must not be {@code null}.
072         *
073         * @throws ParseException If parsing of the serialised parts failed.
074         */
075        public SignedJWT(final Base64URL firstPart, final Base64URL secondPart, final Base64URL thirdPart)      
076                throws ParseException {
077
078                super(firstPart, secondPart, thirdPart);
079        }
080
081
082        @Override
083        public JWTClaimsSet getJWTClaimsSet()
084                throws ParseException {
085
086                JSONObject json = getPayload().toJSONObject();
087
088                if (json == null) {
089                        throw new ParseException("Payload of JWS object is not a valid JSON object", 0);
090                }
091
092                return JWTClaimsSet.parse(json);
093        }
094
095
096        /**
097         * Parses a signed JSON Web Token (JWT) from the specified string in 
098         * compact format. 
099         *
100         * @param s The string to parse. Must not be {@code null}.
101         *
102         * @return The signed JWT.
103         *
104         * @throws ParseException If the string couldn't be parsed to a valid 
105         *                        signed JWT.
106         */
107        public static SignedJWT parse(final String s)
108                throws ParseException {
109
110                Base64URL[] parts = JOSEObject.split(s);
111
112                if (parts.length != 3) {
113                        throw new ParseException("Unexpected number of Base64URL parts, must be three", 0);
114                }
115
116                return new SignedJWT(parts[0], parts[1], parts[2]);
117        }
118}