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 com.nimbusds.jwt.util.DateUtils;
022import com.nimbusds.oauth2.sdk.ParseException;
023import com.nimbusds.oauth2.sdk.auth.Secret;
024import com.nimbusds.oauth2.sdk.id.ClientID;
025import com.nimbusds.oauth2.sdk.token.BearerAccessToken;
026import com.nimbusds.oauth2.sdk.util.JSONObjectUtils;
027import net.minidev.json.JSONObject;
028
029import java.net.URI;
030import java.util.Date;
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.getNonBlankString(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                        return DateUtils.fromSecondsSinceEpoch(JSONObjectUtils.getNonNegativeLong(jsonObject, "client_id_issued_at"));
071                } else {
072                        return null;
073                }
074        }
075
076
077        /**
078         * Parses a client secret from the specified JSON object.
079         *
080         * @param jsonObject The JSON object. Must not be {@code null}.
081         *
082         * @return The client secret, {@code null} if not specified.
083         *
084         * @throws ParseException If parsing failed.
085         */
086        public static Secret parseSecret(final JSONObject jsonObject)
087                throws ParseException {
088
089                if (jsonObject.containsKey("client_secret")) {
090
091                        String value = JSONObjectUtils.getNonBlankString(jsonObject, "client_secret");
092
093                        Date exp = null;
094                        if (jsonObject.containsKey("client_secret_expires_at")) {
095
096                                final long t = JSONObjectUtils.getLong(jsonObject, "client_secret_expires_at");
097
098                                if (t > 0) {
099                                        exp = new Date(t * 1000);
100                                }
101                        }
102
103                        return new Secret(value, exp);
104                } else {
105                        return null;
106                }
107        }
108
109
110        /**
111         * Parses a client registration URI from the specified JSON object.
112         *
113         * @param jsonObject The JSON object. Must not be {@code null}.
114         *
115         * @return The client registration URI, {@code null} if not specified.
116         *
117         * @throws ParseException If parsing failed.
118         */
119        public static URI parseRegistrationURI(final JSONObject jsonObject)
120                throws ParseException {
121
122                return JSONObjectUtils.getURI(jsonObject, "registration_client_uri", null);
123        }
124
125
126        /**
127         * Parses a client registration access token from the specified JSON
128         * object.
129         *
130         * @param jsonObject The JSON object. Must not be {@code null}.
131         *
132         * @return The client registration access token, {@code null} if not
133         *         specified.
134         *
135         * @throws ParseException If parsing failed.
136         */
137        public static BearerAccessToken parseRegistrationAccessToken(final JSONObject jsonObject)
138                throws ParseException {
139
140                if (jsonObject.containsKey("registration_access_token")) {
141                        return new BearerAccessToken(
142                                JSONObjectUtils.getNonBlankString(jsonObject, "registration_access_token"));
143                } else {
144                        return null;
145                }
146        }
147}