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This artifact provides a single jar that contains all classes required to use remote Jakarta Enterprise Beans and Jakarta Messaging, including all dependencies. It is intended for use by those not using maven, maven users should just import the Jakarta Enterprise Beans and Jakarta Messaging 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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/*
 * Copyright 2018 The Netty Project
 *
 * The Netty Project licenses this file to you 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 io.netty.handler.ssl;

import io.netty.internal.tcnative.SSL;
import io.netty.util.AbstractReferenceCounted;
import io.netty.util.IllegalReferenceCountException;

import javax.security.auth.Destroyable;
import java.security.PrivateKey;

final class OpenSslPrivateKey extends AbstractReferenceCounted implements PrivateKey {

    private long privateKeyAddress;

    OpenSslPrivateKey(long privateKeyAddress) {
        this.privateKeyAddress = privateKeyAddress;
    }

    @Override
    public String getAlgorithm() {
        return "unkown";
    }

    @Override
    public String getFormat() {
        // As we do not support encoding we should return null as stated in the javadocs of PrivateKey.
        return null;
    }

    @Override
    public byte[] getEncoded() {
        return null;
    }

    /**
     * Returns the pointer to the {@code EVP_PKEY}.
     */
    long privateKeyAddress() {
        if (refCnt() <= 0) {
            throw new IllegalReferenceCountException();
        }
        return privateKeyAddress;
    }

    @Override
    protected void deallocate() {
        SSL.freePrivateKey(privateKeyAddress);
        privateKeyAddress = 0;
    }

    @Override
    public OpenSslPrivateKey retain() {
        super.retain();
        return this;
    }

    @Override
    public OpenSslPrivateKey retain(int increment) {
        super.retain(increment);
        return this;
    }

    @Override
    public OpenSslPrivateKey touch() {
        super.touch();
        return this;
    }

    @Override
    public OpenSslPrivateKey touch(Object hint) {
        return this;
    }

    /**
     * NOTE: This is a JDK8 interface/method. Due to backwards compatibility
     * reasons it's not possible to slap the {@code @Override} annotation onto
     * this method.
     *
     * @see Destroyable#destroy()
     */
    public void destroy() {
        release(refCnt());
    }

    /**
     * NOTE: This is a JDK8 interface/method. Due to backwards compatibility
     * reasons it's not possible to slap the {@code @Override} annotation onto
     * this method.
     *
     * @see Destroyable#isDestroyed()
     */
    public boolean isDestroyed() {
        return refCnt() == 0;
    }

    /**
     * Convert to a {@link OpenSslKeyMaterial}. Reference count of both is shared.
     */
    OpenSslKeyMaterial toKeyMaterial(long certificateChain) {
        return new OpenSslPrivateKeyMaterial(certificateChain);
    }

    private final class OpenSslPrivateKeyMaterial implements OpenSslKeyMaterial {

        private long certificateChain;

        OpenSslPrivateKeyMaterial(long certificateChain) {
            this.certificateChain = certificateChain;
        }

        @Override
        public long certificateChainAddress() {
            if (refCnt() <= 0) {
                throw new IllegalReferenceCountException();
            }
            return certificateChain;
        }

        @Override
        public long privateKeyAddress() {
            return OpenSslPrivateKey.this.privateKeyAddress();
        }

        @Override
        public OpenSslKeyMaterial retain() {
            OpenSslPrivateKey.this.retain();
            return this;
        }

        @Override
        public OpenSslKeyMaterial retain(int increment) {
            OpenSslPrivateKey.this.retain(increment);
            return this;
        }

        @Override
        public OpenSslKeyMaterial touch() {
            OpenSslPrivateKey.this.touch();
            return this;
        }

        @Override
        public OpenSslKeyMaterial touch(Object hint) {
            OpenSslPrivateKey.this.touch(hint);
            return this;
        }

        @Override
        public boolean release() {
            if (OpenSslPrivateKey.this.release()) {
                releaseChain();
                return true;
            }
            return false;
        }

        @Override
        public boolean release(int decrement) {
            if (OpenSslPrivateKey.this.release(decrement)) {
                releaseChain();
                return true;
            }
            return false;
        }

        private void releaseChain() {
            SSL.freeX509Chain(certificateChain);
            certificateChain = 0;
        }

        @Override
        public int refCnt() {
            return OpenSslPrivateKey.this.refCnt();
        }
    }
}