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1   /*
2    * Copyright (C) 2009-2010, Google Inc.
3    * and other copyright owners as documented in the project's IP log.
4    *
5    * This program and the accompanying materials are made available
6    * under the terms of the Eclipse Distribution License v1.0 which
7    * accompanies this distribution, is reproduced below, and is
8    * available at http://www.eclipse.org/org/documents/edl-v10.php
9    *
10   * All rights reserved.
11   *
12   * Redistribution and use in source and binary forms, with or
13   * without modification, are permitted provided that the following
14   * conditions are met:
15   *
16   * - Redistributions of source code must retain the above copyright
17   *   notice, this list of conditions and the following disclaimer.
18   *
19   * - Redistributions in binary form must reproduce the above
20   *   copyright notice, this list of conditions and the following
21   *   disclaimer in the documentation and/or other materials provided
22   *   with the distribution.
23   *
24   * - Neither the name of the Eclipse Foundation, Inc. nor the
25   *   names of its contributors may be used to endorse or promote
26   *   products derived from this software without specific prior
27   *   written permission.
28   *
29   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42   */
43  
44  package org.eclipse.jgit.http.server.resolver;
45  
46  import java.util.Arrays;
47  
48  import javax.servlet.http.HttpServletRequest;
49  
50  import org.eclipse.jgit.lib.Config;
51  import org.eclipse.jgit.lib.Repository;
52  import org.eclipse.jgit.transport.UploadPack;
53  import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
54  import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
55  import org.eclipse.jgit.transport.resolver.UploadPackFactory;
56  
57  /**
58   * Create and configure {@link org.eclipse.jgit.transport.UploadPack} service
59   * instance.
60   * <p>
61   * Reading by upload-pack is permitted unless {@code http.uploadpack} is
62   * explicitly set to false.
63   */
64  public class DefaultUploadPackFactory implements
65  		UploadPackFactory<HttpServletRequest> {
66  	private static class ServiceConfig {
67  		final boolean enabled;
68  
69  		ServiceConfig(Config cfg) {
70  			enabled = cfg.getBoolean("http", "uploadpack", true);
71  		}
72  	}
73  
74  	/** {@inheritDoc} */
75  	@Override
76  	public UploadPack create(HttpServletRequest req, Repository db)
77  			throws ServiceNotEnabledException, ServiceNotAuthorizedException {
78  		if (db.getConfig().get(ServiceConfig::new).enabled) {
79  			UploadPack up = new UploadPack(db);
80  			String header = req.getHeader("Git-Protocol"); //$NON-NLS-1$
81  			if (header != null) {
82  				String[] params = header.split(":"); //$NON-NLS-1$
83  				up.setExtraParameters(Arrays.asList(params));
84  			}
85  			return up;
86  		} else {
87  			throw new ServiceNotEnabledException();
88  		}
89  	}
90  }