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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2015 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * 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 org.wildfly.security;

import static org.wildfly.security.ElytronMessages.log;

import java.lang.ref.Reference;
import java.lang.ref.SoftReference;
import java.lang.ref.WeakReference;
import java.lang.reflect.Constructor;
import java.security.NoSuchAlgorithmException;
import java.security.Provider;
import java.security.Provider.Service;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.function.Consumer;

/**
 * The base {@link Provider} implementation for security services made available by Elytron.
 *
 * @author Darran Lofthouse
 * @author David M. Lloyd
 */
public abstract class WildFlyElytronBaseProvider extends VersionedProvider {

    protected static final String HTTP_SERVER_FACTORY_TYPE = "HttpServerAuthenticationMechanismFactory";
    protected static final String SASL_CLIENT_FACTORY_TYPE = "SaslClientFactory";
    protected static final String SASL_SERVER_FACTORY_TYPE = "SaslServerFactory";
    protected static final String PASSWORD_FACTORY_TYPE = "PasswordFactory";
    protected static final String ALG_PARAMS_TYPE = "AlgorithmParameters";
    protected static final List emptyList = Collections.emptyList();
    protected static final Map emptyMap = Collections.emptyMap();

    private static final Collection MASKED_ALGORITHMS = Collections.unmodifiableCollection(Arrays.asList(
            "masked-MD5-DES", "masked-MD5-DES-CBC-PKCS5", "masked-MD5-3DES", "masked-MD5-3DES-CBC-PKCS5", "masked-SHA1-DES-EDE",
            "masked-SHA1-DES-EDE-CBC-PKCS5", "masked-SHA1-RC2-40", "masked-SHA1-RC2-40-CBC-PKCS5", "masked-SHA1-RC2-128",
            "masked-SHA1-RC2-128-CBC-PKCS5", "masked-SHA1-RC4-40", "masked-SHA1-RC4-40-ECB", "masked-SHA1-RC4-128",
            "masked-SHA1-RC4-128-ECB", "masked-HMAC-SHA1-AES-128", "masked-HMAC-SHA224-AES-128", "masked-HMAC-SHA256-AES-128",
            "masked-HMAC-SHA384-AES-128", "masked-HMAC-SHA512-AES-128", "masked-HMAC-SHA1-AES-256",
            "masked-HMAC-SHA224-AES-256", "masked-HMAC-SHA256-AES-256", "masked-HMAC-SHA384-AES-256",
            "masked-HMAC-SHA512-AES-256"));

    protected WildFlyElytronBaseProvider(final String name, final String version, final String info) {
        super(name, version, info);
    }

    protected void putPasswordImplementations() {
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "clear", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "crypt-md5", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "sun-crypt-md5", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "sun-crypt-md5-bare-salt", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "crypt-sha-256", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "crypt-sha-512", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "simple-digest-md2", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "simple-digest-md5", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "simple-digest-sha-1", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "simple-digest-sha-256", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "simple-digest-sha-384", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "simple-digest-sha-512", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "digest-md5", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "digest-sha", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "digest-sha-256", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "digest-sha-384", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "digest-sha-512", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "digest-sha-512-256", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "password-salt-digest-md5", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "password-salt-digest-sha-1", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "password-salt-digest-sha-256", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "password-salt-digest-sha-384", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "password-salt-digest-sha-512", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "salt-password-digest-md5", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "salt-password-digest-sha-1", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "salt-password-digest-sha-256", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "salt-password-digest-sha-384", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "salt-password-digest-sha-512", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "crypt-des", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "bsd-crypt-des", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "bcrypt", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "scram-sha-1", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "scram-sha-256", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "scram-sha-384", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "scram-sha-512", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "otp-md5", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "otp-sha1", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "otp-sha256", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "otp-sha384", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putService(new Service(this, PASSWORD_FACTORY_TYPE, "otp-sha512", "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        putMakedPasswordImplementations(this::putService, this);
    }

    static void putMakedPasswordImplementations(Consumer consumer, Provider provider) {
        for (String algorithm : MASKED_ALGORITHMS) {
            consumer.accept(new Service(provider, PASSWORD_FACTORY_TYPE, algorithm, "org.wildfly.security.password.impl.PasswordFactorySpiImpl", emptyList, emptyMap));
        }
    }

    protected void putAlgorithmParametersImplementations() {
        putService(new Service(this, ALG_PARAMS_TYPE, "RSA", "org.wildfly.security.key.RSAParameterSpiImpl", emptyList, emptyMap));

        putService(new Service(this, ALG_PARAMS_TYPE, "crypt-md5", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "sun-crypt-md5", "org.wildfly.security.password.impl.IteratedSaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "sun-crypt-md5-bare-salt", "org.wildfly.security.password.impl.IteratedSaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "crypt-sha-256", "org.wildfly.security.password.impl.IteratedSaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "crypt-sha-512", "org.wildfly.security.password.impl.IteratedSaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "digest-md5", "org.wildfly.security.password.impl.DigestPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "digest-sha", "org.wildfly.security.password.impl.DigestPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "digest-sha-256", "org.wildfly.security.password.impl.DigestPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "digest-sha-384", "org.wildfly.security.password.impl.DigestPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "digest-sha-512", "org.wildfly.security.password.impl.DigestPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "digest-sha-512-256", "org.wildfly.security.password.impl.DigestPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "password-salt-digest-md5", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "password-salt-digest-sha-1", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "password-salt-digest-sha-256", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "password-salt-digest-sha-384", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "password-salt-digest-sha-512", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "salt-password-digest-md5", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "salt-password-digest-sha-1", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "salt-password-digest-sha-256", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "salt-password-digest-sha-384", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "salt-password-digest-sha-512", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "crypt-des", "org.wildfly.security.password.impl.SaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "bsd-crypt-des", "org.wildfly.security.password.impl.IteratedSaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "bcrypt", "org.wildfly.security.password.impl.IteratedSaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "scram-sha-1", "org.wildfly.security.password.impl.IteratedSaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "scram-sha-256", "org.wildfly.security.password.impl.IteratedSaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "scram-sha-384", "org.wildfly.security.password.impl.IteratedSaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "scram-sha-512", "org.wildfly.security.password.impl.IteratedSaltedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "otp-md5", "org.wildfly.security.password.impl.OneTimePasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "otp-sha1", "org.wildfly.security.password.impl.OneTimePasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "otp-sha256", "org.wildfly.security.password.impl.OneTimePasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "otp-sha384", "org.wildfly.security.password.impl.OneTimePasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putService(new Service(this, ALG_PARAMS_TYPE, "otp-sha512", "org.wildfly.security.password.impl.OneTimePasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        putMakedAlgorithmParametersImplementations(this::putService, this);
    }

    static void putMakedAlgorithmParametersImplementations(Consumer consumer, Provider provider) {
        for (String algorithm : MASKED_ALGORITHMS) {
            consumer.accept(new Service(provider, ALG_PARAMS_TYPE, algorithm, "org.wildfly.security.password.impl.MaskedPasswordAlgorithmParametersSpiImpl", emptyList, emptyMap));
        }
    }

    protected class ProviderService extends Service {

        private final boolean withProvider;
        private final boolean reUsable;
        private volatile Reference> implementationClassRef;
        private volatile Reference instance;

        public ProviderService(Provider provider, String type, String algorithm, String className, List aliases, Map attributes) {
            this(provider, type, algorithm, className, aliases, attributes, true, false);
        }

        public ProviderService(Provider provider, String type, String algorithm, String className, List aliases, Map attributes, boolean withProvider,  boolean reUsable) {
            super(provider, type, algorithm, className, aliases, attributes);
            this.withProvider = withProvider;
            this.reUsable = reUsable;
        }

        @Override
        public Object newInstance(Object constructorParameter) throws NoSuchAlgorithmException {
            if (reUsable) {
                Reference instance = this.instance;
                Object response;
                if (instance == null || (response = instance.get()) == null) {
                    synchronized(this) {
                        instance = this.instance;
                        if (instance == null || (response = instance.get()) == null) {
                            response = withProvider ? newInstance() : super.newInstance(constructorParameter);
                            this.instance = new SoftReference(response);
                        }
                    }
                }

                return response;
            }

            return withProvider ? newInstance() : super.newInstance(constructorParameter);
        }

        private Object newInstance() throws NoSuchAlgorithmException {
            Class implementationClass = getImplementationClass();

            try {
                Constructor constructor = implementationClass.getConstructor(Provider.class);
                return constructor.newInstance(WildFlyElytronBaseProvider.this);
            } catch (Exception e) {
                throw log.noSuchAlgorithmCreateService(getType(), getAlgorithm(), e);
            }
        }

        private Class getImplementationClass() throws NoSuchAlgorithmException {
            Reference> implementationClassRef = this.implementationClassRef;
            Class implementationClass = implementationClassRef != null ? implementationClassRef.get() : null;
            if (implementationClass == null) {
                ClassLoader classLoader = WildFlyElytronBaseProvider.class.getClassLoader();
                try {
                    implementationClass = Class.forName(getClassName(), false, classLoader);
                } catch (ClassNotFoundException e) {
                    throw log.noSuchAlgorithmCreateService(getType(), getAlgorithm(), e);
                }
                this.implementationClassRef = new WeakReference<>(implementationClass);
            }

            return implementationClass;
        }

    }
}
    

    

    

            

    

            



    
    






    
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