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Embedded-Web Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) [2017-2021] Payara Foundation and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://github.com/payara/Payara/blob/master/LICENSE.txt
* See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* The Payara Foundation designates this particular file as subject to the "Classpath"
* exception as provided by the Payara Foundation in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
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* If you wish your version of this file to be governed by only the CDDL or
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* elects to include this software in this distribution under the [CDDL or GPL
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* recipient has the option to distribute your version of this file under
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* and therefore, elected the GPL Version 2 license, then the option applies
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*/
package fish.payara.microprofile.jwtauth.jwt;
import static java.util.Collections.singleton;
import static java.util.stream.Collectors.toSet;
import static jakarta.json.Json.createArrayBuilder;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.HashSet;
import java.util.Optional;
import java.util.Set;
import java.util.function.Function;
import jakarta.json.JsonArray;
import jakarta.json.JsonNumber;
import jakarta.json.JsonString;
import jakarta.json.JsonValue;
import org.eclipse.microprofile.jwt.ClaimValue;
/**
* This class keeps track of the plethora of types and all their permutations by which
* basic claim values can be injected.
*
* @author Arjan Tijms
*/
public class JWTInjectableType {
private Type fullType;
private Class coreClass;
private boolean optional;
private boolean claimValue;
private Function converter;
public JWTInjectableType(Type fullType) {
this.fullType = fullType;
coreClass = (Class) fullType;
installCoreConverter();
}
public JWTInjectableType(Type fullType, Class coreClass) {
this.fullType = fullType;
this.coreClass = coreClass;
installCoreConverter();
}
public JWTInjectableType(Type fullType, JWTInjectableType previous) {
this.fullType = fullType;
this.coreClass = previous.getCoreClass();
this.optional = previous.isOptional() ? true : isTypeOptional(fullType);
this.claimValue = isTypeClaimValue(fullType);
installCoreConverter();
}
public Object convert(JsonValue value) {
if (value == null) {
return null;
}
return converter.apply(value);
}
public Type getFullType() {
return fullType;
}
public Class getCoreClass() {
return coreClass;
}
public boolean isOptional() {
return optional;
}
public boolean isClaimValue() {
return claimValue;
}
@Override
public String toString() {
return "fullType: " + fullType + " coreClass: " + coreClass + " optional: " + optional + " claimValue: " + claimValue;
}
private boolean isTypeOptional(Type type) {
return Optional.class.isAssignableFrom(getClassFromType(fullType));
}
private boolean isTypeClaimValue(Type type) {
return ClaimValue.class.isAssignableFrom(getClassFromType(fullType));
}
private Class getClassFromType(Type type) {
if (type instanceof Class) {
return (Class) type;
}
if (type instanceof ParameterizedType) {
return (Class) ((ParameterizedType) type).getRawType();
}
return null;
}
private void installCoreConverter() {
if (coreClass == String.class) {
converter = e -> ((JsonString) e).getString();
} else if (coreClass == Set.class) {
converter = e -> convertToSet(e);
} else if (coreClass == Long.class) {
converter = e -> ((JsonNumber) e).longValue();
} else if (coreClass == Boolean.class) {
converter = e -> convertToBoolean(e);
} else if (coreClass == JsonArray.class) {
converter = e -> e instanceof JsonArray ? e : createArrayBuilder().add(e).build();
} else {
converter = e -> e;
}
}
private static Set convertToSet(JsonValue jsonValue) {
if (jsonValue instanceof JsonArray) {
return new HashSet<>(((JsonArray) jsonValue).getValuesAs(JsonString.class)).stream().map(t -> t.getString()).collect(toSet());
}
return singleton(((JsonString) jsonValue).getString());
}
private static boolean convertToBoolean(JsonValue jsonValue) {
if (jsonValue instanceof JsonString) {
return Boolean.parseBoolean(((JsonString) jsonValue).getString());
}
return Boolean.parseBoolean(jsonValue.toString());
}
}