/*
* Copyright (C) 2009-2010, Google Inc.
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.http.server;
import java.util.Enumeration;
import javax.servlet.Filter;
import javax.servlet.FilterConfig;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import org.eclipse.jgit.http.server.glue.MetaServlet;
import org.eclipse.jgit.http.server.resolver.AsIsFileService;
import org.eclipse.jgit.transport.ReceivePack;
import org.eclipse.jgit.transport.UploadPack;
import org.eclipse.jgit.transport.resolver.ReceivePackFactory;
import org.eclipse.jgit.transport.resolver.RepositoryResolver;
import org.eclipse.jgit.transport.resolver.UploadPackFactory;
/**
* Handles Git repository access over HTTP.
* <p>
* Applications embedding this servlet should map a directory path within the
* application to this servlet, for example:
*
* <pre>
* <servlet>
* <servlet-name>GitServlet</servlet-name>
* <servlet-class>org.eclipse.jgit.http.server.GitServlet</servlet-class>
* <init-param>
* <param-name>base-path</param-name>
* <param-value>/var/srv/git</param-value>
* </init-param>
* <init-param>
* <param-name>export-all</param-name>
* <param-value>0</param-value>
* </init-param>
* </servlet>
* <servlet-mapping>
* <servlet-name>GitServlet</servlet-name>
* <url-pattern>/git/*</url-pattern>
* </servlet-mapping>
* </pre>
*
* <p>
* Applications may wish to add additional repository action URLs to this
* servlet by taking advantage of its extension from {@link MetaServlet}.
* Callers may register their own URL suffix translations through
* {@link #serve(String)}, or their regex translations through
* {@link #serveRegex(String)}. Each translation should contain a complete
* filter pipeline which ends with the HttpServlet that should handle the
* requested action.
*/
public class GitServlet extends MetaServlet {
private static final long serialVersionUID = 1L;
private final GitFilter gitFilter;
/**
* New servlet that will load its base directory from {@code web.xml}.
* <p>
* The required parameter {@code base-path} must be configured to point to
* the local filesystem directory where all served Git repositories reside.
*/
public GitServlet() {
super(new GitFilter());
gitFilter = (GitFilter) getDelegateFilter();
}
/**
* New servlet configured with a specific resolver.
*
* @param resolver
* the resolver to use when matching URL to Git repository. If
* null the {@code base-path} parameter will be looked for in the
* parameter table during init, which usually comes from the
* {@code web.xml} file of the web application.
*/
public void setRepositoryResolver(RepositoryResolver<HttpServletRequest> resolver) {
gitFilter.setRepositoryResolver(resolver);
}
/**
* @param f
* the filter to validate direct access to repository files
* through a dumb client. If {@code null} then dumb client
* support is completely disabled.
*/
public void setAsIsFileService(AsIsFileService f) {
gitFilter.setAsIsFileService(f);
}
/**
* @param f
* the factory to construct and configure an {@link UploadPack}
* session when a fetch or clone is requested by a client.
*/
public void setUploadPackFactory(UploadPackFactory<HttpServletRequest> f) {
gitFilter.setUploadPackFactory(f);
}
/**
* @param filter
* filter to apply before any of the UploadPack operations. The
* UploadPack instance is available in the request attribute
* {@link ServletUtils#ATTRIBUTE_HANDLER}.
*/
public void addUploadPackFilter(Filter filter) {
gitFilter.addUploadPackFilter(filter);
}
/**
* @param f
* the factory to construct and configure a {@link ReceivePack}
* session when a push is requested by a client.
*/
public void setReceivePackFactory(ReceivePackFactory<HttpServletRequest> f) {
gitFilter.setReceivePackFactory(f);
}
/**
* @param filter
* filter to apply before any of the ReceivePack operations. The
* ReceivePack instance is available in the request attribute
* {@link ServletUtils#ATTRIBUTE_HANDLER}.
*/
public void addReceivePackFilter(Filter filter) {
gitFilter.addReceivePackFilter(filter);
}
@Override
public void init(final ServletConfig config) throws ServletException {
gitFilter.init(new FilterConfig() {
public String getFilterName() {
return gitFilter.getClass().getName();
}
public String getInitParameter(String name) {
return config.getInitParameter(name);
}
public Enumeration<String> getInitParameterNames() {
return config.getInitParameterNames();
}
public ServletContext getServletContext() {
return config.getServletContext();
}
});
}
}