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...http-remoting/client/src/main/java/fish/payara/ejb/http/client/EjbHttpProxyHandlerV1.java
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| /* | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | ||
| * | ||
| * Copyright (c) [2019] 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]" | ||
| * | ||
| * Contributor(s): | ||
| * If you wish your version of this file to be governed by only the CDDL or | ||
| * only the GPL Version 2, indicate your decision by adding "[Contributor] | ||
| * elects to include this software in this distribution under the [CDDL or GPL | ||
| * Version 2] license." If you don't indicate a single choice of license, a | ||
| * recipient has the option to distribute your version of this file under | ||
| * either the CDDL, the GPL Version 2 or to extend the choice of license to | ||
| * its licensees as provided above. However, if you add GPL Version 2 code | ||
| * and therefore, elected the GPL Version 2 license, then the option applies | ||
| * only if the new code is made subject to such option by the copyright | ||
| * holder. | ||
| */ | ||
|
|
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| package fish.payara.ejb.http.client; | ||
|
|
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| import fish.payara.ejb.http.protocol.ErrorResponse; | ||
| import fish.payara.ejb.http.protocol.InvokeMethodRequest; | ||
| import fish.payara.ejb.http.protocol.InvokeMethodResponse; | ||
| import fish.payara.ejb.http.protocol.MediaTypes; | ||
| import fish.payara.ejb.http.protocol.rs.InvokeMethodResponseJsonBodyReader; | ||
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|
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| import javax.ws.rs.client.Entity; | ||
| import javax.ws.rs.client.WebTarget; | ||
| import javax.ws.rs.core.Response; | ||
| import java.io.ByteArrayOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.ObjectOutputStream; | ||
| import java.lang.annotation.Annotation; | ||
| import java.lang.reflect.InvocationHandler; | ||
| import java.lang.reflect.Method; | ||
| import java.lang.reflect.UndeclaredThrowableException; | ||
| import java.util.Map; | ||
|
|
||
| import static java.util.Arrays.asList; | ||
| import static javax.naming.Context.SECURITY_CREDENTIALS; | ||
| import static javax.naming.Context.SECURITY_PRINCIPAL; | ||
|
|
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| final class EjbHttpProxyHandlerV1 implements InvocationHandler { | ||
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| private final String mediaType; | ||
| private final WebTarget invoke; | ||
| private final String jndiName; | ||
| private final Map<String, Object> jndiOptions; | ||
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| public EjbHttpProxyHandlerV1(String mediaType, WebTarget invoke, String jndiName, Map<String, Object> jndiOptions) { | ||
| this.jndiName = jndiName; | ||
| this.jndiOptions = jndiOptions; | ||
| this.invoke = mediaType.equals(MediaTypes.JSON) ? invoke.register(InvokeMethodResponseJsonBodyReader.class) : invoke; | ||
| this.mediaType = mediaType; | ||
| } | ||
|
|
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| @Override | ||
| public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { | ||
| // Check for methods we should not proxy first | ||
| if (args == null && method.getName().equals("toString")) { | ||
| return toString(); | ||
| } | ||
| if (args == null && method.getName().equals("hashCode")) { | ||
| // unique instance in the JVM, and no need to override | ||
| return hashCode(); | ||
| } | ||
| if (args != null && args.length == 1 && method.getName().equals("equals")) { | ||
| // unique instance in the JVM, and no need to override | ||
| return equals(args[0]); | ||
| } | ||
| return invokeRemote(method, args); | ||
| } | ||
|
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| private Object invokeRemote(Method method, Object[] args) throws Exception { | ||
| InvokeMethodRequest request = createRequest(method, args); | ||
| try (Response response = invoke | ||
| .request(mediaType) | ||
| .buildPost(Entity.entity(request, mediaType)).invoke()) { | ||
| if (response.getStatus() == Response.Status.OK.getStatusCode()) { | ||
| return response | ||
| .readEntity(InvokeMethodResponse.class, InvokeMethodResponse.ResultType.of(method)).result; | ||
| } | ||
| ErrorResponse error = response.readEntity(ErrorResponse.class); | ||
| throw LookupV1.deserialise(error); | ||
| } | ||
| } | ||
|
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| private InvokeMethodRequest createRequest(Method method, Object[] args) { | ||
| String principal = jndiOptions.containsKey(SECURITY_PRINCIPAL) | ||
| ? Lookup.base64Encode(jndiOptions.get(SECURITY_PRINCIPAL)) | ||
| : ""; | ||
| String credentials = jndiOptions.containsKey(SECURITY_CREDENTIALS) | ||
| ? Lookup.base64Encode(jndiOptions.get(SECURITY_CREDENTIALS)) | ||
| : ""; | ||
| String[] argTypes = asList(method.getParameterTypes()).stream() | ||
| .map(type -> type.getName()) | ||
| .toArray(String[]::new); | ||
| String[] argActualTypes = args == null ? new String[0] : asList(args).stream() | ||
| .map(arg -> arg == null ? null : arg.getClass().getName()) | ||
| .toArray(String[]::new); | ||
| for (int i = 0; i < argTypes.length; i++) { | ||
| if (argActualTypes[i] == null) { | ||
| argActualTypes[i] = argTypes[i]; | ||
| } | ||
| } | ||
| return new InvokeMethodRequest(principal, credentials, jndiName, method.getName(), argTypes, argActualTypes, | ||
| packArguments(args), null); | ||
| } | ||
|
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| private Object packArguments(Object[] args) { | ||
| Object argValues = args; | ||
| if (MediaTypes.JAVA_OBJECT.equals(mediaType)) { | ||
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); | ||
| try (ObjectOutputStream oos = new ObjectOutputStream(bos)) { | ||
| oos.writeObject(argValues); | ||
| } catch (IOException e) { | ||
| throw new UndeclaredThrowableException(e); | ||
| } | ||
| argValues = bos.toByteArray(); | ||
| } | ||
| return argValues; | ||
| } | ||
| } |
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