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16d0d0e786
- Change the way the CMIS implementation interacts with authentication, logging and transactions
by constructing a service layered in three interceptors:
<property name="cmisTransactions" ref="CMISService_Transactions" />
<property name="cmisExceptions" ref="CMISService_Exceptions" />
<property name="cmisControl" ref="CMISService_Control" />
- CMISService_Transactions:
Retrying transactions are initiated for all operations and we no longer attempt to hold
transactions open across method calls. This optimization is secondary to having full retrying
behaviour, without which the server could throw avoidable exceptions in concurrent environments.
- CMISService_Exceptions:
Performs translation from typical repo exceptions into CMIS exceptions
- CMISService_Control:
Provides details logging of inbound authentication states, arguments, exceptions and return values
To get logging without method arguments (can be verbose):
log4j.logger.org.alfresco.opencmis.AlfrescoCmisServiceInterceptor=DEBUG
To include method call arguments:
log4j.logger.org.alfresco.opencmis.AlfrescoCmisServiceInterceptor=TRACE
Logging will include details of inbound, method-call and outbound thread authentication credentials.
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@32331 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
112 lines
4.2 KiB
Java
112 lines
4.2 KiB
Java
/*
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* Copyright (C) 2005-2011 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.opencmis;
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import org.alfresco.repo.security.authentication.AuthenticationUtil;
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import org.aopalliance.intercept.MethodInterceptor;
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import org.aopalliance.intercept.MethodInvocation;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Interceptor to manage threads and perform other menial jobs that are common to all
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* calls made to the service. It also provides detailed logging of values passing
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* in and out of the service.
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* <p/>
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* <b>DEBUG</b> shows authentication and inbound arguments. <b>TRACE</b> shows full
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* return results as well.
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*
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* @author Derek Hulley
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* @since 4.0
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*/
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public class AlfrescoCmisServiceInterceptor implements MethodInterceptor
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{
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private static Log logger = LogFactory.getLog(AlfrescoCmisServiceInterceptor.class);
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public AlfrescoCmisServiceInterceptor()
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{
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}
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@Override
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public synchronized Object invoke(MethodInvocation invocation) throws Throwable
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{
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// Keep note of whether debug is required
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boolean debug = logger.isDebugEnabled();
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boolean trace = logger.isTraceEnabled();
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StringBuilder sb = null;
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if (debug)
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{
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sb = new StringBuilder("\n" +
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"CMIS invocation: \n" +
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" Method: " + invocation.getMethod().getName() + "\n" +
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" Arguments: \n");
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for (Object arg : invocation.getArguments())
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{
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sb.append(" ").append(arg).append("\n");
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}
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}
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Object ret = null;
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AlfrescoCmisService service = (AlfrescoCmisService) invocation.getThis();
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try
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{
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// Wrap with pre- and post-method calls
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try
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{
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sb.append(
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" Pre-call authentication: \n" +
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" Full auth: " + AuthenticationUtil.getFullyAuthenticatedUser() + "\n" +
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" Effective auth: " + AuthenticationUtil.getRunAsUser() + "\n");
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service.beforeCall();
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sb.append(
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" In-call authentication: \n" +
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" Full auth: " + AuthenticationUtil.getFullyAuthenticatedUser() + "\n" +
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" Effective auth: " + AuthenticationUtil.getRunAsUser() + "\n");
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ret = invocation.proceed();
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}
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finally
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{
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service.afterCall();
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sb.append(
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" Post-call authentication: \n" +
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" Full auth: " + AuthenticationUtil.getFullyAuthenticatedUser() + "\n" +
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" Effective auth: " + AuthenticationUtil.getRunAsUser() + "\n");
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}
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if (trace)
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{
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sb.append(
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" Returning: ").append(ret).append("\n");
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logger.debug(sb);
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}
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// Done
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return ret;
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}
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catch (Throwable e)
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{
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if (debug)
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{
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sb.append(" Throwing: " + e.getMessage());
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logger.debug(sb, e);
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}
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// Rethrow
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throw e;
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}
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}
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}
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