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}