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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2017-2022 Payara Foundation and/or its affiliates. All rights reserved.
*
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* 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
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package fish.payara.microprofile.jwtauth.cdi;
import fish.payara.microprofile.jwtauth.eesecurity.JWTAuthenticationMechanism;
import fish.payara.microprofile.jwtauth.eesecurity.SignedJWTIdentityStore;
import fish.payara.microprofile.jwtauth.jwt.ClaimAnnotationLiteral;
import fish.payara.microprofile.jwtauth.jwt.ClaimValueImpl;
import fish.payara.microprofile.jwtauth.jwt.JWTInjectableType;
import fish.payara.microprofile.jwtauth.jwt.JsonWebTokenImpl;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.enterprise.context.Dependent;
import jakarta.enterprise.context.RequestScoped;
import jakarta.enterprise.context.spi.CreationalContext;
import jakarta.enterprise.inject.spi.AfterBeanDiscovery;
import jakarta.enterprise.inject.spi.Bean;
import jakarta.enterprise.inject.spi.BeanManager;
import jakarta.enterprise.inject.spi.InjectionPoint;
import jakarta.json.JsonArray;
import jakarta.json.JsonNumber;
import jakarta.json.JsonObject;
import jakarta.json.JsonString;
import jakarta.json.JsonStructure;
import jakarta.json.JsonValue;
import jakarta.security.enterprise.SecurityContext;
import jakarta.security.enterprise.authentication.mechanism.http.HttpAuthenticationMechanism;
import jakarta.security.enterprise.identitystore.IdentityStore;
import java.lang.annotation.Annotation;
import java.security.Principal;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Optional;
import java.util.Set;
import java.util.function.Function;
import static java.util.stream.Collectors.toSet;
import org.eclipse.microprofile.auth.LoginConfig;
import org.eclipse.microprofile.jwt.Claim;
import org.eclipse.microprofile.jwt.ClaimValue;
import org.eclipse.microprofile.jwt.JsonWebToken;
import org.glassfish.common.util.PayaraCdiProducer;
import org.glassfish.soteria.cdi.CdiUtils;
/**
* This class contains most of the actual logic from CdiExtension. Places in a
* separate class since otherwise the @Observes effectively
* disappears.
*
* @author Arjan Tijms
*/
public class CdiInitEventHandler {
private final static JsonWebTokenImpl emptyJsonWebToken = new JsonWebTokenImpl(null, Collections.emptyMap());
public static void installAuthenticationMechanism(AfterBeanDiscovery afterBeanDiscovery) {
afterBeanDiscovery.addBean(new PayaraCdiProducer()
.scope(ApplicationScoped.class)
.beanClass(IdentityStore.class)
.types(Object.class, IdentityStore.class, SignedJWTIdentityStore.class)
.addToId("store " + LoginConfig.class)
.create(e -> new SignedJWTIdentityStore()));
afterBeanDiscovery.addBean(new PayaraCdiProducer()
.scope(ApplicationScoped.class)
.beanClass(HttpAuthenticationMechanism.class)
.types(Object.class, HttpAuthenticationMechanism.class, JWTAuthenticationMechanism.class)
.addToId("mechanism " + LoginConfig.class)
.create(e -> new JWTAuthenticationMechanism()));
// MP-JWT 1.0 7.1.1. Injection of JsonWebToken
afterBeanDiscovery.addBean(new PayaraCdiProducer()
.scope(RequestScoped.class)
.beanClass(JsonWebToken.class)
.types(Object.class, JsonWebToken.class)
.addToId("token " + LoginConfig.class)
.create(e -> getJsonWebToken()));
// MP-JWT 1.0 7.1.2
for (JWTInjectableType injectableType : computeTypes()) {
// Add a new Bean/Dynamic producer for each type that 7.1.2 asks us to support.
afterBeanDiscovery.addBean(new PayaraCdiProducer<>()
.scope(Dependent.class)
.beanClass(CdiInitEventHandler.class)
.types(injectableType.getFullType())
.qualifiers(new ClaimAnnotationLiteral())
.addToId("claim for " + injectableType.getFullType())
.create(creationalContext -> {
// Get the qualifier from the injection point
Claim claim = getQualifier(
getCurrentInjectionPoint(
CdiUtils.getBeanManager(),
(CreationalContext) creationalContext), Claim.class);
String claimName = getClaimName(claim);
Function claimValueSupplier = (String claimNameParam) -> {
return loadClaimObject(injectableType, claimNameParam);
};
Object claimObj;
if (injectableType.isClaimValue()) {
// If the target type has a ClaimValue in it, wrap the converted value
// into a ClaimValue, e.g. ClaimValue or ClaimValue>
claimObj = new ClaimValueImpl<>(claimName, claimValueSupplier);
} else {
// otherwise simply return the value
claimObj = claimValueSupplier.apply(claimName);
}
return claimObj;
}));
}
}
private static Object loadClaimObject(JWTInjectableType injectableType, String claimNameParam) {
// Obtain the raw named value from the request scoped JsonWebToken's embedded claims and
// convert it according to the target type for which this Bean was created.
Object claimObj = injectableType.convert(
getJsonWebToken().getClaims()
.get(claimNameParam));
// If the target type has an Optional in it, wrap the converted value
// into an Optional. I.e. Optional or ClaimValue>
if (injectableType.isOptional()) {
claimObj = Optional.ofNullable(claimObj);
}
return claimObj;
}
private static Set computeTypes() {
Set baseTypes = new HashSet<>(Arrays.asList(
new JWTInjectableType(String.class),
new JWTInjectableType(new ParameterizedTypeImpl(Set.class, String.class), Set.class),
new JWTInjectableType(Long.class),
new JWTInjectableType(Boolean.class),
new JWTInjectableType(JsonString.class),
new JWTInjectableType(JsonNumber.class),
new JWTInjectableType(JsonStructure.class),
new JWTInjectableType(JsonArray.class),
new JWTInjectableType(JsonObject.class),
new JWTInjectableType(JsonValue.class)));
Set optionalTypes = new HashSet<>(baseTypes);
optionalTypes.addAll(
baseTypes.stream()
.map(t -> new JWTInjectableType(new ParameterizedTypeImpl(Optional.class, t.getFullType()), t))
.collect(toSet()));
Set claimValueTypes = new HashSet<>(optionalTypes);
claimValueTypes.addAll(
optionalTypes.stream()
.map(t -> new JWTInjectableType(new ParameterizedTypeImpl(ClaimValue.class, t.getFullType()), t))
.collect(toSet()));
return claimValueTypes;
}
public static InjectionPoint getCurrentInjectionPoint(BeanManager beanManager, CreationalContext creationalContext) {
Bean bean = resolve(beanManager, InjectionPointGenerator.class);
return bean != null
? (InjectionPoint) beanManager.getInjectableReference(bean.getInjectionPoints().iterator().next(), creationalContext)
: null;
}
@SuppressWarnings("unchecked")
public static Bean resolve(BeanManager beanManager, Class beanClass, Annotation... qualifiers) {
Set> beans = beanManager.getBeans(beanClass, qualifiers);
for (Bean bean : beans) {
if (bean.getBeanClass() == beanClass) {
return (Bean) beanManager.resolve(Collections.>singleton(bean));
}
}
Bean bean = (Bean) beanManager.resolve(beans);
if (bean == null && beanClass.getSuperclass() != Object.class) {
return (Bean) resolve(beanManager, beanClass.getSuperclass(), qualifiers);
} else {
return bean;
}
}
public static A getQualifier(InjectionPoint injectionPoint, Class qualifierClass) {
for (Annotation annotation : injectionPoint.getQualifiers()) {
if (qualifierClass.isAssignableFrom(annotation.getClass())) {
return qualifierClass.cast(annotation);
}
}
return null;
}
public static JsonWebTokenImpl getJsonWebToken() {
SecurityContext context = CdiUtils.getBeanReference(SecurityContext.class);
Principal principal = context.getCallerPrincipal();
if (principal instanceof JsonWebTokenImpl) {
return (JsonWebTokenImpl) principal;
} else {
Set principals = context.getPrincipalsByType(JsonWebTokenImpl.class);
if (!principals.isEmpty()) {
return principals.iterator().next();
}
}
return emptyJsonWebToken;
}
public static String getClaimName(Claim claim) {
if (claim.value().equals("")) {
return claim.standard().name();
}
return claim.value();
}
}
