001/* 002 * oauth2-oidc-sdk 003 * 004 * Copyright 2012-2020, 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.federation.policy.factories; 019 020 021import java.util.*; 022 023import net.jcip.annotations.ThreadSafe; 024import net.minidev.json.JSONObject; 025 026import com.nimbusds.openid.connect.sdk.federation.policy.MetadataPolicy; 027import com.nimbusds.openid.connect.sdk.federation.policy.MetadataPolicyEntry; 028import com.nimbusds.openid.connect.sdk.federation.policy.language.PolicyOperation; 029import com.nimbusds.openid.connect.sdk.federation.policy.operations.ValueOperation; 030import com.nimbusds.openid.connect.sdk.rp.OIDCClientInformation; 031import com.nimbusds.openid.connect.sdk.rp.OIDCClientMetadata; 032 033 034/** 035 * The default OpenID relying party metadata policy factory. 036 */ 037@ThreadSafe 038public class DefaultRPMetadataPolicyFactory implements RPMetadataPolicyFactory { 039 040 041 @Override 042 public MetadataPolicy create(final OIDCClientMetadata initialMetadata, final OIDCClientInformation target) 043 throws PolicyFormulationException { 044 045 MetadataPolicy policy = new MetadataPolicy(); 046 047 JSONObject initialJSONObject = initialMetadata.toJSONObject(); 048 049 for (Map.Entry<String,Object> en: target.toJSONObject().entrySet()) { 050 051 if (en.equals(new AbstractMap.SimpleImmutableEntry<>(en.getKey(), initialJSONObject.get(en.getKey())))) { 052 // No policy entry needed 053 continue; 054 } 055 056 // Set (override) value 057 MetadataPolicyEntry policyEntry = new MetadataPolicyEntry( 058 en.getKey(), 059 Collections.singletonList((PolicyOperation) createValueOperation(en)) 060 ); 061 062 policy.put(policyEntry); 063 } 064 065 return policy; 066 } 067 068 069 private static ValueOperation createValueOperation(final Map.Entry<String,Object> objectEntry) 070 throws PolicyFormulationException { 071 072 ValueOperation valueOperation = new ValueOperation(); 073 074 if (objectEntry.getValue() instanceof String) { 075 valueOperation.configure((String)objectEntry.getValue()); 076 077 } else if (objectEntry.getValue() instanceof Boolean) { 078 valueOperation.configure((Boolean)objectEntry.getValue()); 079 080 } else if (objectEntry.getValue() instanceof Number) { 081 valueOperation.configure((Number)objectEntry.getValue()); 082 083 } else if (objectEntry.getValue() instanceof List) { 084 // assume string list 085 List<String> stringList = new LinkedList<>(); 086 087 for (Object item : (List<?>) objectEntry.getValue()) { 088 if (item instanceof String) { 089 stringList.add((String) item); 090 } else { 091 stringList.add(null); 092 } 093 } 094 valueOperation.configure(stringList); 095 } else if (objectEntry.getValue() == null) { 096 valueOperation.configure((String)null); 097 } else { 098 throw new PolicyFormulationException("Unsupported type for " + objectEntry.getKey() + ": " + objectEntry.getValue().getClass() + ": " + objectEntry.getValue()); 099 } 100 101 return valueOperation; 102 } 103 104}