001/*
002 * oauth2-oidc-sdk
003 *
004 * Copyright 2012-2016, Connect2id Ltd and contributors.
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.oauth2.sdk.token;
019
020
021import java.util.Collections;
022import java.util.HashMap;
023import java.util.Map;
024import java.util.Set;
025
026import net.minidev.json.JSONObject;
027
028import com.nimbusds.oauth2.sdk.ParseException;
029import com.nimbusds.openid.connect.sdk.token.OIDCTokens;
030
031
032/**
033 * Access and optional refresh token.
034 */
035public class Tokens {
036
037
038        /**
039         * Access token.
040         */
041        private final AccessToken accessToken;
042
043
044        /**
045         * Refresh token, {@code null} if not specified.
046         */
047        private final RefreshToken refreshToken;
048        
049        
050        /**
051         * Optional token metadata, intended for server environments.
052         */
053
054        private final Map<String,Object> metadata = new HashMap<>();
055
056
057        /**
058         * Creates a new tokens instance.
059         *
060         * @param accessToken  The access token. Must not be {@code null}.
061         * @param refreshToken The refresh token. If none {@code null}.
062         */
063        public Tokens(final AccessToken accessToken, final RefreshToken refreshToken) {
064
065                if (accessToken == null)
066                        throw new IllegalArgumentException("The access token must not be null");
067
068                this.accessToken = accessToken;
069
070                this.refreshToken = refreshToken;
071        }
072        
073
074        /**
075         * Returns the access token.
076         *
077         * @return The access token.
078         */
079        public AccessToken getAccessToken() {
080
081                return accessToken;
082        }
083
084
085        /**
086         * Returns the access token as type bearer.
087         *
088         * @return The bearer access token, {@code null} if the type is
089         *         different.
090         */
091        public BearerAccessToken getBearerAccessToken() {
092
093                if (accessToken instanceof BearerAccessToken) {
094                        return (BearerAccessToken) accessToken;
095                }
096
097                return null;
098        }
099
100
101        /**
102         * Returns the optional refresh token.
103         *
104         * @return The refresh token, {@code null} if none.
105         */
106        public RefreshToken getRefreshToken() {
107
108                return refreshToken;
109        }
110
111
112        /**
113         * Returns the token parameter names for the included tokens.
114         *
115         * @return The token parameter names.
116         */
117        public Set<String> getParameterNames() {
118
119                // Get the std param names for the access + refresh token
120                Set<String> paramNames = accessToken.getParameterNames();
121
122                if (refreshToken != null)
123                        paramNames.addAll(refreshToken.getParameterNames());
124
125                return Collections.unmodifiableSet(paramNames);
126        }
127        
128        
129        /**
130         * Returns the optional modifiable token metadata. Intended for server
131         * environments.
132         *
133         * @return The token metadata.
134         */
135        public Map<String, Object> getMetadata() {
136
137                return metadata;
138        }
139
140
141        /**
142         * Returns the JSON object representation of this token pair.
143         *
144         * <p>Example JSON object:
145         *
146         * <pre>
147         * {
148         *   "access_token"  : "dZdt8BlltORMTz5U",
149         *   "refresh_token" : "E87zjAoeNXaSoF1U"
150         * }
151         * </pre>
152         *
153         * @return The JSON object representation.
154         */
155        public JSONObject toJSONObject() {
156
157                JSONObject o = accessToken.toJSONObject();
158
159                if (refreshToken != null)
160                        o.putAll(refreshToken.toJSONObject());
161
162                return o;
163        }
164        
165        
166        /**
167         * Casts to OpenID Connect tokens.
168         *
169         * @return The OpenID Connect tokens (including an ID token).
170         */
171        public OIDCTokens toOIDCTokens() {
172                
173                return (OIDCTokens)this;
174        }
175
176
177        @Override
178        public String toString() {
179
180                return toJSONObject().toJSONString();
181        }
182
183
184        /**
185         * Parses an access and optional refresh token from the specified JSON
186         * object.
187         *
188         * @param jsonObject The JSON object to parse. Must not be {@code null}.
189         *
190         * @return The tokens.
191         *
192         * @throws ParseException If the JSON object couldn't be parsed to a
193         *                        tokens instance.
194         */
195        public static Tokens parse(final JSONObject jsonObject)
196                throws ParseException {
197
198                return new Tokens(AccessToken.parse(jsonObject), RefreshToken.parse(jsonObject));
199        }
200}