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.openid.connect.sdk.op;
019
020
021import java.util.List;
022import java.util.Map;
023
024import com.nimbusds.oauth2.sdk.AuthorizationRequest;
025import com.nimbusds.oauth2.sdk.Scope;
026import com.nimbusds.oauth2.sdk.util.MultivaluedMapUtils;
027import com.nimbusds.openid.connect.sdk.OIDCScopeValue;
028
029
030/**
031 * OpenID authentication request detector.
032 */
033public class AuthenticationRequestDetector {
034        
035        /**
036         * Returns {@code true} if the specified authorisation request is
037         * likely an OpenID authentication request.
038         *
039         * @param request The authorisation request.
040         *
041         * @return {@code true} for a likely OpenID authentication request,
042         *         else {@code false}.
043         */
044        public static boolean isLikelyOpenID(final AuthorizationRequest request) {
045                
046                return request.getScope() != null && request.getScope().contains(OIDCScopeValue.OPENID);
047        }
048        
049        
050        /**
051         * Returns {@code true} if the specified query parameters are likely
052         * for an OpenID authentication request.
053         *
054         * @param queryParams The query parameters.
055         *
056         * @return {@code true} for a likely OpenID authentication request,
057         *         else {@code false}.
058         */
059        public static boolean isLikelyOpenID(final Map<String, List<String>> queryParams) {
060                
061                Scope scope = Scope.parse(MultivaluedMapUtils.getFirstValue(queryParams, ("scope")));
062                
063                if (scope == null) {
064                        return false;
065                }
066                
067                return scope.contains(OIDCScopeValue.OPENID);
068        }
069        
070        
071        /**
072         * Prevents public instantiation.
073         */
074        private AuthenticationRequestDetector() {}
075}