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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) [2017-2023] 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/main/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
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package fish.payara.microprofile.jwtauth.eesecurity;
import fish.payara.microprofile.jwtauth.jwt.JsonWebTokenImpl;
import fish.payara.microprofile.jwtauth.jwt.JwtTokenParser;
import jakarta.security.enterprise.identitystore.CredentialValidationResult;
import jakarta.security.enterprise.identitystore.IdentityStore;
import org.eclipse.microprofile.config.Config;
import org.eclipse.microprofile.config.ConfigProvider;
import org.eclipse.microprofile.jwt.config.Names;
import java.io.IOException;
import java.net.URL;
import java.time.Duration;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Properties;
import java.util.Set;
import java.util.logging.Logger;
import static jakarta.security.enterprise.identitystore.CredentialValidationResult.INVALID_RESULT;
import static java.lang.Thread.currentThread;
import static java.util.logging.Level.INFO;
import static org.eclipse.microprofile.jwt.config.Names.ISSUER;
/**
* Identity store capable of asserting that a signed JWT token is valid
* according to the MP-JWT 1.1 spec.
*
* @author Arjan Tijms
*/
public class SignedJWTIdentityStore implements IdentityStore {
private static final Logger LOGGER = Logger.getLogger(SignedJWTIdentityStore.class.getName());
private final String acceptedIssuer;
private final Optional> allowedAudience;
private final Optional enabledNamespace;
private final Optional customNamespace;
private final Optional disableTypeVerification;
private final Config config;
private final JwtPublicKeyStore publicKeyStore;
private final JwtPrivateKeyStore privateKeyStore;
private final boolean isEncryptionRequired;
private Map> optionalConfigProperty;
public SignedJWTIdentityStore() {
config = ConfigProvider.getConfig();
Optional properties = readVendorProperties();
acceptedIssuer = readVendorIssuer(properties)
.orElseGet(() -> config.getOptionalValue(ISSUER, String.class)
.orElseThrow(() -> new IllegalStateException("No issuer found")));
Optional allowedAudienceOpt = readAudience(properties);
if (!allowedAudienceOpt.isPresent()) {
allowedAudienceOpt = config.getOptionalValue(Names.AUDIENCES, String.class);
}
allowedAudience = allowedAudienceOpt.map(str -> Arrays.asList(str.split(",")));
enabledNamespace = readEnabledNamespace(properties);
customNamespace = readCustomNamespace(properties);
disableTypeVerification = readDisableTypeVerification(properties);
Optional publicKeyLocation = readConfigOptional(Names.VERIFIER_PUBLIC_KEY_LOCATION, properties, config); //mp.jwt.verifyAndParseEncryptedJWT.publickey.location
Optional publicKey = readConfigOptional(Names.VERIFIER_PUBLIC_KEY, properties, config); //mp.jwt.verifyAndParseEncryptedJWT.publickey
Optional decryptKeyLocation = readConfigOptional(Names.DECRYPTOR_KEY_LOCATION, properties, config); //mp.jwt.decrypt.key.location
publicKeyStore = new JwtPublicKeyStore(readPublicKeyCacheTTL(properties), publicKeyLocation);
privateKeyStore = new JwtPrivateKeyStore(readPublicKeyCacheTTL(properties), decryptKeyLocation);
// Signing is required by default, it doesn't parse if not signed
isEncryptionRequired = decryptKeyLocation.isPresent();
setOptionalConfigProperty(properties);
}
public CredentialValidationResult validate(SignedJWTCredential signedJWTCredential) {
final JwtTokenParser jwtTokenParser = new JwtTokenParser(enabledNamespace, customNamespace, disableTypeVerification);
try {
JsonWebTokenImpl jsonWebToken = jwtTokenParser.parse(signedJWTCredential.getSignedJWT(),
isEncryptionRequired, publicKeyStore, acceptedIssuer, privateKeyStore, optionalConfigProperty);
// verifyAndParseEncryptedJWT audience
final Set recipientsOfThisJWT = jsonWebToken.getAudience();
// find if any recipient is in the allowed audience
Boolean recipientInAudience = allowedAudience
.map(recipient -> recipient.stream().anyMatch(a -> recipientsOfThisJWT != null && recipientsOfThisJWT.contains(a)))
.orElse(true);
if (!recipientInAudience) {
throw new Exception("The intended audience " + recipientsOfThisJWT + " is not a part of allowed audience.");
}
Set groups = new HashSet<>();
Collection groupClaims = jsonWebToken.getClaim("groups");
if (groupClaims != null) {
groups.addAll(groupClaims);
}
return new CredentialValidationResult(jsonWebToken, groups);
} catch (Exception e) {
LOGGER.log(INFO, "Exception trying to parse JWT token.", e);
}
return INVALID_RESULT;
}
public static Optional readVendorProperties() {
URL mpJwtResource = currentThread().getContextClassLoader().getResource("/payara-mp-jwt.properties");
Properties properties = null;
if (mpJwtResource != null) {
try {
properties = new Properties();
properties.load(mpJwtResource.openStream());
} catch (IOException e) {
throw new IllegalStateException("Failed to load Vendor properties from resource file", e);
}
}
return Optional.ofNullable(properties);
}
private Optional readVendorIssuer(Optional properties) {
return properties.isPresent() ? Optional.ofNullable(properties.get().getProperty("accepted.issuer")) : Optional.empty();
}
private Optional readEnabledNamespace(Optional properties) {
return properties.isPresent() ? Optional.ofNullable(Boolean.valueOf(properties.get().getProperty("enable.namespace", "false"))) : Optional.empty();
}
private Optional readCustomNamespace(Optional properties) {
return properties.isPresent() ? Optional.ofNullable(properties.get().getProperty("custom.namespace", null)) : Optional.empty();
}
private Optional readDisableTypeVerification(Optional properties) {
return properties.isPresent() ? Optional.ofNullable(Boolean.valueOf(properties.get().getProperty("disable.type.verification", "false"))) : Optional.empty();
}
private Duration readPublicKeyCacheTTL(Optional properties) {
return properties
.map(props -> props.getProperty("publicKey.cache.ttl"))
.map(Long::valueOf)
.map(Duration::ofMillis)
.orElseGet( () -> Duration.ofMinutes(5));
}
private Optional readAudience(Optional properties) {
return properties.isPresent() ? Optional.ofNullable(properties.get().getProperty(Names.AUDIENCES)) : Optional.empty();
}
/**
* Read configuration from Vendor or server or return default value.
*/
public static String readConfig(String key, Optional properties, Config config, String defaultValue) {
Optional valueOpt = readConfigOptional(key, properties, config);
return valueOpt.orElse(defaultValue);
}
public static Optional readConfigOptional(String key, Optional properties, Config config) {
Optional valueOpt = properties.map(props -> props.getProperty(key));
if (!valueOpt.isPresent()) {
valueOpt = config.getOptionalValue(key, String.class);
}
return valueOpt;
}
private void setOptionalConfigProperty(Optional properties) {
optionalConfigProperty = new HashMap<>();
optionalConfigProperty.put(Names.TOKEN_AGE, readConfigOptional(Names.TOKEN_AGE, properties, config)); // mp.jwt.verify.token.age
optionalConfigProperty.put(Names.CLOCK_SKEW, readConfigOptional(Names.CLOCK_SKEW, properties, config)); // mp.jwt.verify.clock.skew
optionalConfigProperty.put(Names.DECRYPTOR_KEY_ALGORITHM, readConfigOptional(Names.DECRYPTOR_KEY_ALGORITHM, properties, config)); //mp.jwt.decrypt.key.algorithm
}
}
