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.Scope; 025import com.nimbusds.oauth2.sdk.util.MultivaluedMapUtils; 026import com.nimbusds.openid.connect.sdk.OIDCScopeValue; 027 028 029/** 030 * OpenID authentication request detector. 031 */ 032public class AuthenticationRequestDetector { 033 034 /** 035 * Returns {@code true} if the specified query parameters are likely 036 * for an OpenID authentication request. 037 * 038 * @param queryParams The query parameters. 039 * 040 * @return {@code true} for a likely OpenID authentication request, 041 * else {@code false}. 042 */ 043 public static boolean isLikelyOpenID(final Map<String, List<String>> queryParams) { 044 045 Scope scope = Scope.parse(MultivaluedMapUtils.getFirstValue(queryParams, ("scope"))); 046 047 if (scope == null) { 048 return false; 049 } 050 051 return scope.contains(OIDCScopeValue.OPENID); 052 } 053 054 055 /** 056 * Prevents public instantiation. 057 */ 058 private AuthenticationRequestDetector() {} 059}