| /* |
| * Copyright (c) 2012, 2021 Oracle and/or its affiliates. All rights reserved. |
| * Copyright (c) 2018, 2019 Payara Foundation and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package org.glassfish.jersey.gf.ejb.internal; |
| |
| import java.io.Externalizable; |
| import java.io.Serializable; |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.InvocationHandler; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.security.AccessController; |
| import java.security.PrivilegedActionException; |
| import java.security.PrivilegedExceptionAction; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.TreeSet; |
| import java.util.concurrent.CopyOnWriteArrayList; |
| import java.util.function.Supplier; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import javax.ws.rs.ext.ExceptionMapper; |
| |
| import javax.annotation.Priority; |
| import javax.ejb.Local; |
| import javax.ejb.Remote; |
| import javax.ejb.Stateless; |
| import javax.inject.Singleton; |
| import javax.naming.InitialContext; |
| import javax.naming.NamingException; |
| |
| import org.glassfish.jersey.internal.inject.AbstractBinder; |
| import org.glassfish.jersey.internal.inject.Binding; |
| import org.glassfish.jersey.internal.inject.Bindings; |
| import org.glassfish.jersey.internal.inject.InjectionManager; |
| import org.glassfish.jersey.internal.inject.InstanceBinding; |
| import org.glassfish.jersey.server.ApplicationHandler; |
| import org.glassfish.jersey.server.model.Invocable; |
| import org.glassfish.jersey.server.spi.ComponentProvider; |
| import org.glassfish.jersey.server.spi.internal.ResourceMethodInvocationHandlerProvider; |
| |
| import org.glassfish.ejb.deployment.descriptor.EjbBundleDescriptorImpl; |
| import org.glassfish.ejb.deployment.descriptor.EjbDescriptor; |
| import org.glassfish.internal.data.ApplicationInfo; |
| import org.glassfish.internal.data.ApplicationRegistry; |
| import org.glassfish.internal.data.ModuleInfo; |
| |
| import com.sun.ejb.containers.BaseContainer; |
| import com.sun.ejb.containers.EjbContainerUtil; |
| import com.sun.ejb.containers.EjbContainerUtilImpl; |
| import com.sun.enterprise.config.serverbeans.Application; |
| import com.sun.enterprise.config.serverbeans.Applications; |
| |
| /** |
| * EJB component provider. |
| * |
| * @author Paul Sandoz |
| * @author Jakub Podlesak |
| */ |
| @Priority(300) |
| @SuppressWarnings("UnusedDeclaration") |
| public final class EjbComponentProvider implements ComponentProvider, ResourceMethodInvocationHandlerProvider { |
| |
| private static final Logger LOGGER = Logger.getLogger(EjbComponentProvider.class.getName()); |
| |
| private InitialContext initialContext; |
| private final List<String> libNames = new CopyOnWriteArrayList<>(); |
| |
| private boolean ejbInterceptorRegistered = false; |
| |
| /** |
| * HK2 factory to provide EJB components obtained via JNDI lookup. |
| */ |
| private static class EjbFactory<T> implements Supplier<T> { |
| |
| final InitialContext ctx; |
| final Class<T> clazz; |
| final String beanName; |
| final EjbComponentProvider ejbProvider; |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public T get() { |
| try { |
| return (T) lookup(ctx, clazz, beanName, ejbProvider); |
| } catch (NamingException ex) { |
| Logger.getLogger(ApplicationHandler.class.getName()).log(Level.SEVERE, null, ex); |
| return null; |
| } |
| } |
| |
| private static <T> String getBeanName(final Class<T> clazz) { |
| final Stateless stateless = clazz.getAnnotation(Stateless.class); |
| if (stateless != null) { |
| if (stateless.name().isEmpty()) { |
| return clazz.getSimpleName(); |
| } |
| return stateless.name(); |
| } |
| final javax.ejb.Singleton singleton = clazz.getAnnotation(javax.ejb.Singleton.class); |
| if (singleton != null) { |
| if (singleton.name().isEmpty()) { |
| return clazz.getSimpleName(); |
| } |
| return singleton.name(); |
| } |
| return clazz.getSimpleName(); |
| } |
| |
| public EjbFactory(Class<T> rawType, InitialContext ctx, EjbComponentProvider ejbProvider) { |
| this.clazz = rawType; |
| this.ctx = ctx; |
| this.ejbProvider = ejbProvider; |
| this.beanName = getBeanName(rawType); |
| } |
| } |
| |
| /** |
| * Annotations to determine EJB components. |
| */ |
| private static final Set<String> EjbComponentAnnotations = Collections.unmodifiableSet(new HashSet<String>() {{ |
| add("javax.ejb.Stateful"); |
| add("javax.ejb.Stateless"); |
| add("javax.ejb.Singleton"); |
| }}); |
| |
| private InjectionManager injectionManager = null; |
| |
| // ComponentProvider |
| @Override |
| public void initialize(final InjectionManager injectionManager) { |
| this.injectionManager = injectionManager; |
| |
| InstanceBinding<EjbComponentProvider> descriptor = Bindings.service(EjbComponentProvider.this) |
| .to(ResourceMethodInvocationHandlerProvider.class); |
| this.injectionManager.register(descriptor); |
| } |
| |
| private ApplicationInfo getApplicationInfo(EjbContainerUtil ejbUtil) throws NamingException { |
| ApplicationRegistry appRegistry = ejbUtil.getServices().getService(ApplicationRegistry.class); |
| Applications applications = ejbUtil.getServices().getService(Applications.class); |
| String appNamePrefix = (String) initialContext.lookup("java:app/AppName"); |
| Set<String> appNames = appRegistry.getAllApplicationNames(); |
| Set<String> disabledApps = new TreeSet<>(); |
| for (String appName : appNames) { |
| if (appName.startsWith(appNamePrefix)) { |
| Application appDesc = applications.getApplication(appName); |
| if (appDesc != null && !ejbUtil.getDeployment().isAppEnabled(appDesc)) { |
| // skip disabled version of the app |
| disabledApps.add(appName); |
| } else { |
| return ejbUtil.getDeployment().get(appName); |
| } |
| } |
| } |
| |
| // grab the latest one, there is no way to make |
| // sure which one the user is actually enabling, |
| // so use the best case, i.e. upgrade |
| Iterator<String> it = disabledApps.iterator(); |
| String lastDisabledApp = null; |
| while (it.hasNext()) { |
| lastDisabledApp = it.next(); |
| } |
| if (lastDisabledApp != null) { |
| return ejbUtil.getDeployment().get(lastDisabledApp); |
| } |
| |
| throw new NamingException("Application Information Not Found"); |
| } |
| |
| private void registerEjbInterceptor(Class<?> component) { |
| try { |
| final Object interceptor = new EjbComponentInterceptor(injectionManager); |
| initialContext = getInitialContext(); |
| final EjbContainerUtil ejbUtil = EjbContainerUtilImpl.getInstance(); |
| final ApplicationInfo appInfo = getApplicationInfo(ejbUtil); |
| for (ModuleInfo moduleInfo : appInfo.getModuleInfos()) { |
| final String jarName = moduleInfo.getName(); |
| if (jarName.endsWith(".jar") || jarName.endsWith(".war")) { |
| final String moduleName = jarName.substring(0, jarName.length() - 4); |
| final Object bundleDescriptor = moduleInfo.getMetaData(EjbBundleDescriptorImpl.class.getName()); |
| if (bundleDescriptor instanceof EjbBundleDescriptorImpl) { |
| final Collection<EjbDescriptor> ejbs = ((EjbBundleDescriptorImpl) bundleDescriptor).getEjbs(); |
| |
| for (final EjbDescriptor ejb : ejbs) { |
| final BaseContainer ejbContainer = EjbContainerUtilImpl.getInstance().getContainer(ejb.getUniqueId()); |
| if (ejbContainer.getEJBClass() != component) { |
| continue; |
| } |
| libNames.add(moduleName); |
| try { |
| AccessController.doPrivileged(new PrivilegedExceptionAction() { |
| @Override |
| public Object run() throws Exception { |
| final Method registerInterceptorMethod = |
| BaseContainer.class |
| .getDeclaredMethod("registerSystemInterceptor", java.lang.Object.class); |
| registerInterceptorMethod.setAccessible(true); |
| |
| registerInterceptorMethod.invoke(ejbContainer, interceptor); |
| return null; |
| } |
| }); |
| } catch (PrivilegedActionException pae) { |
| final Throwable cause = pae.getCause(); |
| LOGGER.log(Level.WARNING, |
| LocalizationMessages.EJB_INTERCEPTOR_BINDING_WARNING(ejb.getEjbClassName()), cause); |
| } |
| } |
| } |
| } |
| } |
| |
| final Object interceptorBinder = initialContext.lookup("java:org.glassfish.ejb.container.interceptor_binding_spi"); |
| // Some implementations of InitialContext return null instead of |
| // throwing NamingException if there is no Object associated with |
| // the name |
| if (interceptorBinder == null) { |
| throw new IllegalStateException(LocalizationMessages.EJB_INTERCEPTOR_BIND_API_NOT_AVAILABLE()); |
| } |
| |
| try { |
| AccessController.doPrivileged(new PrivilegedExceptionAction() { |
| @Override |
| public Object run() throws Exception { |
| Method interceptorBinderMethod = interceptorBinder.getClass() |
| .getMethod("registerInterceptor", java.lang.Object.class); |
| |
| interceptorBinderMethod.invoke(interceptorBinder, interceptor); |
| EjbComponentProvider.this.ejbInterceptorRegistered = true; |
| LOGGER.log(Level.CONFIG, LocalizationMessages.EJB_INTERCEPTOR_BOUND()); |
| return null; |
| } |
| }); |
| } catch (PrivilegedActionException pae) { |
| throw new IllegalStateException(LocalizationMessages.EJB_INTERCEPTOR_CONFIG_ERROR(), pae.getCause()); |
| } |
| |
| } catch (NamingException ex) { |
| throw new IllegalStateException(LocalizationMessages.EJB_INTERCEPTOR_BIND_API_NOT_AVAILABLE(), ex); |
| } catch (LinkageError ex) { |
| throw new IllegalStateException(LocalizationMessages.EJB_INTERCEPTOR_CONFIG_LINKAGE_ERROR(), ex); |
| } |
| } |
| |
| // ComponentProvider |
| @SuppressWarnings("unchecked") |
| @Override |
| public boolean bind(Class<?> component, Set<Class<?>> providerContracts) { |
| |
| if (LOGGER.isLoggable(Level.FINE)) { |
| LOGGER.fine(LocalizationMessages.EJB_CLASS_BEING_CHECKED(component)); |
| } |
| |
| if (injectionManager == null) { |
| throw new IllegalStateException(LocalizationMessages.EJB_COMPONENT_PROVIDER_NOT_INITIALIZED_PROPERLY()); |
| } |
| |
| if (!isEjbComponent(component)) { |
| return false; |
| } |
| |
| if (!ejbInterceptorRegistered) { |
| registerEjbInterceptor(component); |
| } |
| |
| Binding binding = Bindings.supplier(new EjbFactory(component, initialContext, EjbComponentProvider.this)) |
| .to(component) |
| .to(providerContracts); |
| injectionManager.register(binding); |
| |
| if (LOGGER.isLoggable(Level.CONFIG)) { |
| LOGGER.config(LocalizationMessages.EJB_CLASS_BOUND_WITH_CDI(component)); |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public void done() { |
| registerEjbExceptionMapper(); |
| } |
| |
| private void registerEjbExceptionMapper() { |
| injectionManager.register(new AbstractBinder() { |
| @Override |
| protected void configure() { |
| bind(EjbExceptionMapper.class).to(ExceptionMapper.class).in(Singleton.class); |
| } |
| }); |
| } |
| |
| private boolean isEjbComponent(Class<?> component) { |
| for (Annotation a : component.getAnnotations()) { |
| if (EjbComponentAnnotations.contains(a.annotationType().getName())) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public InvocationHandler create(Invocable method) { |
| |
| final Class<?> resourceClass = method.getHandler().getHandlerClass(); |
| |
| if (resourceClass == null || !isEjbComponent(resourceClass)) { |
| return null; |
| } |
| |
| final Method handlingMethod = method.getDefinitionMethod(); |
| |
| for (Class iFace : remoteAndLocalIfaces(resourceClass)) { |
| try { |
| final Method iFaceMethod = iFace.getDeclaredMethod(handlingMethod.getName(), handlingMethod.getParameterTypes()); |
| if (iFaceMethod != null) { |
| return new InvocationHandler() { |
| @Override |
| public Object invoke(Object target, Method ignored, Object[] args) |
| throws IllegalAccessException, IllegalArgumentException, InvocationTargetException { |
| return iFaceMethod.invoke(target, args); |
| } |
| }; |
| } |
| } catch (NoSuchMethodException | SecurityException ex) { |
| logLookupException(handlingMethod, resourceClass, iFace, ex); |
| } |
| } |
| return null; |
| } |
| |
| private void logLookupException(final Method method, final Class<?> component, Class<?> iFace, Exception ex) { |
| LOGGER.log( |
| Level.WARNING, |
| LocalizationMessages.EJB_INTERFACE_HANDLING_METHOD_LOOKUP_EXCEPTION(method, component, iFace), ex); |
| } |
| |
| private static List<Class> remoteAndLocalIfaces(final Class<?> resourceClass) { |
| final List<Class> allLocalOrRemoteIfaces = new LinkedList<>(); |
| if (resourceClass.isAnnotationPresent(Remote.class)) { |
| allLocalOrRemoteIfaces.addAll(Arrays.asList(resourceClass.getAnnotation(Remote.class).value())); |
| } |
| if (resourceClass.isAnnotationPresent(Local.class)) { |
| allLocalOrRemoteIfaces.addAll(Arrays.asList(resourceClass.getAnnotation(Local.class).value())); |
| } |
| for (Class<?> i : resourceClass.getInterfaces()) { |
| if (i.isAnnotationPresent(Remote.class) || i.isAnnotationPresent(Local.class)) { |
| allLocalOrRemoteIfaces.add(i); |
| } |
| } |
| if (allLocalOrRemoteIfaces.isEmpty()) { |
| for (Class<?> i : resourceClass.getInterfaces()) { |
| if (isAcceptableLocalInterface(i)) { |
| allLocalOrRemoteIfaces.add(i); |
| } |
| } |
| } |
| return allLocalOrRemoteIfaces; |
| } |
| |
| private static boolean isAcceptableLocalInterface(final Class<?> iface) { |
| if ("javax.ejb".equals(iface.getPackage().getName())) { |
| return false; |
| } |
| return !Serializable.class.equals(iface) && !Externalizable.class.equals(iface); |
| } |
| |
| private static InitialContext getInitialContext() { |
| try { |
| // Deployment on Google App Engine will |
| // result in a LinkageError |
| return new InitialContext(); |
| } catch (Exception ex) { |
| throw new IllegalStateException(LocalizationMessages.INITIAL_CONTEXT_NOT_AVAILABLE(), ex); |
| } |
| } |
| |
| private static Object lookup(InitialContext ic, Class<?> rawType, String name, EjbComponentProvider provider) |
| throws NamingException { |
| try { |
| return lookupSimpleForm(ic, rawType, name, provider); |
| } catch (NamingException ex) { |
| LOGGER.log(Level.WARNING, LocalizationMessages.EJB_CLASS_SIMPLE_LOOKUP_FAILED(rawType.getName()), ex); |
| |
| return lookupFullyQualifiedForm(ic, rawType, name, provider); |
| } |
| } |
| |
| private static Object lookupSimpleForm( |
| InitialContext ic, |
| Class<?> rawType, |
| String name, |
| EjbComponentProvider provider) throws NamingException { |
| if (provider.libNames.isEmpty()) { |
| String jndiName = "java:module/" + name; |
| return ic.lookup(jndiName); |
| } else { |
| NamingException ne = null; |
| for (String moduleName : provider.libNames) { |
| String jndiName = "java:app/" + moduleName + "/" + name; |
| Object result; |
| try { |
| result = ic.lookup(jndiName); |
| if (result != null && isLookupInstanceValid(rawType, result)) { |
| return result; |
| } |
| } catch (NamingException e) { |
| ne = e; |
| } |
| } |
| throw (ne != null) ? ne : new NamingException(); |
| } |
| } |
| |
| private static Object lookupFullyQualifiedForm( |
| InitialContext ic, |
| Class<?> rawType, |
| String name, |
| EjbComponentProvider provider) throws NamingException { |
| if (provider.libNames.isEmpty()) { |
| String jndiName = "java:module/" + name + "!" + rawType.getName(); |
| return ic.lookup(jndiName); |
| } else { |
| NamingException ne = null; |
| for (String moduleName : provider.libNames) { |
| String jndiName = "java:app/" + moduleName + "/" + name + "!" + rawType.getName(); |
| Object result; |
| try { |
| result = ic.lookup(jndiName); |
| if (result != null && isLookupInstanceValid(rawType, result)) { |
| return result; |
| } |
| } catch (NamingException e) { |
| ne = e; |
| } |
| } |
| throw (ne != null) ? ne : new NamingException(); |
| } |
| } |
| |
| private static boolean isLookupInstanceValid(Class<?> rawType, Object result){ |
| return rawType.isInstance(result) |
| || remoteAndLocalIfaces(rawType) |
| .stream() |
| .filter(iface -> iface.isInstance(result)) |
| .findAny() |
| .isPresent(); |
| } |
| } |