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.client;
019
020
021import java.net.URI;
022import java.util.Date;
023
024import net.minidev.json.JSONObject;
025
026import com.nimbusds.oauth2.sdk.ParseException;
027import com.nimbusds.oauth2.sdk.auth.Secret;
028import com.nimbusds.oauth2.sdk.id.ClientID;
029import com.nimbusds.oauth2.sdk.token.BearerAccessToken;
030import com.nimbusds.oauth2.sdk.util.JSONObjectUtils;
031
032
033/**
034 * Client credentials parser.
035 */
036public class ClientCredentialsParser {
037
038
039        /**
040         * Parses a client identifier from the specified JSON object.
041         *
042         * @param jsonObject The JSON object. Must not be {@code null}.
043         *
044         * @return The client identifier.
045         *
046         * @throws ParseException If parsing failed.
047         */
048        public static ClientID parseID(final JSONObject jsonObject)
049                throws ParseException {
050
051                return new ClientID(JSONObjectUtils.getString(jsonObject, "client_id"));
052        }
053
054
055        /**
056         * Parses a client identifier issue date from the specified JSON
057         * object.
058         *
059         * @param jsonObject The JSON object. Must not be {@code null}.
060         *
061         * @return The client identifier issue date, {@code null} if not
062         *         specified.
063         *
064         * @throws ParseException If parsing failed.
065         */
066        public static Date parseIDIssueDate(final JSONObject jsonObject)
067                throws ParseException {
068
069                if (jsonObject.containsKey("client_id_issued_at")) {
070
071                        return new Date(JSONObjectUtils.getLong(jsonObject, "client_id_issued_at") * 1000);
072                } else {
073                        return null;
074                }
075        }
076
077
078        /**
079         * Parses a client secret from the specified JSON object.
080         *
081         * @param jsonObject The JSON object. Must not be {@code null}.
082         *
083         * @return The client secret, {@code null} if not specified.
084         *
085         * @throws ParseException If parsing failed.
086         */
087        public static Secret parseSecret(final JSONObject jsonObject)
088                throws ParseException {
089
090                if (jsonObject.containsKey("client_secret")) {
091
092                        String value = JSONObjectUtils.getString(jsonObject, "client_secret");
093
094                        Date exp = null;
095
096                        if (jsonObject.containsKey("client_secret_expires_at")) {
097
098                                final long t = JSONObjectUtils.getLong(jsonObject, "client_secret_expires_at");
099
100                                if (t > 0) {
101                                        exp = new Date(t * 1000);
102                                }
103                        }
104
105                        return new Secret(value, exp);
106                } else {
107                        return null;
108                }
109        }
110
111
112        /**
113         * Parses a client registration URI from the specified JSON object.
114         *
115         * @param jsonObject The JSON object. Must not be {@code null}.
116         *
117         * @return The client registration URI, {@code null} if not specified.
118         *
119         * @throws ParseException If parsing failed.
120         */
121        public static URI parseRegistrationURI(final JSONObject jsonObject)
122                throws ParseException {
123
124                if (jsonObject.containsKey("registration_client_uri")) {
125
126                        return JSONObjectUtils.getURI(jsonObject, "registration_client_uri");
127                } else {
128                        return null;
129                }
130        }
131
132
133        /**
134         * Parses a client registration access token from the specified JSON
135         * object.
136         *
137         * @param jsonObject The JSON object. Must not be {@code null}.
138         *
139         * @return The client registration access token, {@code null} if not
140         *         specified.
141         *
142         * @throws ParseException If parsing failed.
143         */
144        public static BearerAccessToken parseRegistrationAccessToken(final JSONObject jsonObject)
145                throws ParseException {
146
147                if (jsonObject.containsKey("registration_access_token")) {
148
149                        return new BearerAccessToken(
150                                JSONObjectUtils.getString(jsonObject, "registration_access_token"));
151                } else {
152                        return null;
153                }
154        }
155}