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OAuth 2.0 SDK with OpenID Connection extensions for developing
client and server applications.
/*
* oauth2-oidc-sdk
*
* Copyright 2012-2016, Connect2id Ltd and contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use
* this file except in compliance with the License. You may obtain a copy of the
* License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package com.nimbusds.openid.connect.sdk.claims;
import java.util.*;
import net.minidev.json.JSONObject;
/**
* Aggregated and distributed claims utilities.
*/
class ExternalClaimsUtils {
/**
* Gets the {@code _claim_sources} JSON objects from the specified
* claims set JSON object.
*
* @param claims The claims set JSON object. May be {@code null}.
*
* @return The {@code _claims_sources} JSON objects, keyed by source
* ID, {@code null} if none.
*/
static Map getExternalClaimSources(final JSONObject claims) {
Object o = claims.get("_claim_sources");
if (! (o instanceof JSONObject)) {
return null;
}
JSONObject claimSources = (JSONObject) o;
if (claimSources.isEmpty()) {
return null;
}
Map out = new HashMap<>();
for (Map.Entry en: claimSources.entrySet()) {
String sourceID = en.getKey();
Object v = en.getValue();
if (! (v instanceof JSONObject)) {
continue; // invalid source spec, skip
}
JSONObject sourceSpec = (JSONObject) v;
out.put(sourceID, sourceSpec);
}
if (out.isEmpty()) {
return null;
}
return out;
}
/**
* Returns the external claim names (aggregated or distributed) for the
* specified source.
*
* @param claims The claims set JSON object. May be {@code null}.
* @param sourceID The source ID. May be {@code null}.
*
* @return The claim names, empty set if none are found.
*/
static Set getExternalClaimNamesForSource(final JSONObject claims, final String sourceID) {
if (claims == null || sourceID == null) {
return Collections.emptySet();
}
Object claimNamesObject = claims.get("_claim_names");
if (! (claimNamesObject instanceof JSONObject)) {
return Collections.emptySet();
}
JSONObject claimNamesJSONObject = (JSONObject)claimNamesObject;
Set claimNames = new HashSet<>();
for (Map.Entry en: claimNamesJSONObject.entrySet()) {
if (sourceID.equals(en.getValue())) {
claimNames.add(en.getKey());
}
}
return claimNames;
}
/**
* Prevents public instantiation.
*/
private ExternalClaimsUtils() {}
}