org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SmartClientSmartServerTest.java - gerrit/jgit/jgit - Git at Google

 /*
  * Copyright (C) 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
  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * 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.test;

 import static org.eclipse.jgit.util.HttpSupport.HDR_CONTENT_ENCODING;
 import static org.eclipse.jgit.util.HttpSupport.HDR_CONTENT_LENGTH;
 import static org.eclipse.jgit.util.HttpSupport.HDR_CONTENT_TYPE;

 import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;

 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
 import javax.servlet.FilterConfig;
 import javax.servlet.ServletException;
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;

 import org.eclipse.jetty.servlet.FilterHolder;
 import org.eclipse.jetty.servlet.FilterMapping;
 import org.eclipse.jetty.servlet.ServletContextHandler;
 import org.eclipse.jetty.servlet.ServletHolder;
 import org.eclipse.jgit.JGitText;
 import org.eclipse.jgit.errors.RepositoryNotFoundException;
 import org.eclipse.jgit.errors.TransportException;
 import org.eclipse.jgit.http.server.GitServlet;
 import org.eclipse.jgit.http.server.resolver.RepositoryResolver;
 import org.eclipse.jgit.http.server.resolver.ServiceNotEnabledException;
 import org.eclipse.jgit.junit.TestRepository;
 import org.eclipse.jgit.junit.TestRng;
 import org.eclipse.jgit.junit.http.AccessEvent;
 import org.eclipse.jgit.junit.http.HttpTestCase;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.NullProgressMonitor;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.revwalk.RevBlob;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.storage.file.FileBasedConfig;
 import org.eclipse.jgit.storage.file.FileRepository;
 import org.eclipse.jgit.storage.file.ReflogReader;
 import org.eclipse.jgit.transport.FetchConnection;
 import org.eclipse.jgit.transport.HttpTransport;
 import org.eclipse.jgit.transport.RemoteRefUpdate;
 import org.eclipse.jgit.transport.Transport;
 import org.eclipse.jgit.transport.TransportHttp;
 import org.eclipse.jgit.transport.URIish;

 public class SmartClientSmartServerTest extends HttpTestCase {
 	private static final String HDR_TRANSFER_ENCODING = "Transfer-Encoding";

 	private FileRepository remoteRepository;

 	private URIish remoteURI;

 	private URIish brokenURI;

 	private RevBlob A_txt;

 	private RevCommit A, B;

 	protected void setUp() throws Exception {
 		super.setUp();

 		final TestRepository<FileRepository> src = createTestRepository();
 		final String srcName = src.getRepository().getDirectory().getName();

 		ServletContextHandler app = server.addContext("/git");
 		GitServlet gs = new GitServlet();
 		gs.setRepositoryResolver(new RepositoryResolver() {
 			public Repository open(HttpServletRequest req, String name)
 					throws RepositoryNotFoundException,
 					ServiceNotEnabledException {
 				if (!name.equals(srcName))
 					throw new RepositoryNotFoundException(name);

 				final Repository db = src.getRepository();
 				db.incrementOpen();
 				return db;
 			}
 		});
 		app.addServlet(new ServletHolder(gs), "/*");

 		ServletContextHandler broken = server.addContext("/bad");
 		broken.addFilter(new FilterHolder(new Filter() {
 			public void doFilter(ServletRequest request,
 					ServletResponse response, FilterChain chain)
 					throws IOException, ServletException {
 				final HttpServletResponse r = (HttpServletResponse) response;
 				r.setContentType("text/plain");
 				r.setCharacterEncoding("UTF-8");
 				PrintWriter w = r.getWriter();
 				w.print("OK");
 				w.close();
 			}

 			public void init(FilterConfig filterConfig) throws ServletException {
 				//
 			}

 			public void destroy() {
 				//
 			}
 		}), "/" + srcName + "/git-upload-pack", FilterMapping.DEFAULT);
 		broken.addServlet(new ServletHolder(gs), "/*");

 		server.setUp();

 		remoteRepository = src.getRepository();
 		remoteURI = toURIish(app, srcName);
 		brokenURI = toURIish(broken, srcName);

 		A_txt = src.blob("A");
 		A = src.commit().add("A_txt", A_txt).create();
 		B = src.commit().parent(A).add("A_txt", "C").add("B", "B").create();
 		src.update(master, B);

 		src.update("refs/garbage/a/very/long/ref/name/to/compress", B);
 	}

 	public void testListRemote() throws IOException {
 		Repository dst = createBareRepository();

 		assertEquals("http", remoteURI.getScheme());

 		Map<String, Ref> map;
 		Transport t = Transport.open(dst, remoteURI);
 		try {
 			// I didn't make up these public interface names, I just
 			// approved them for inclusion into the code base. Sorry.
 			// --spearce
 			//
 			assertTrue("isa TransportHttp", t instanceof TransportHttp);
 			assertTrue("isa HttpTransport", t instanceof HttpTransport);

 			FetchConnection c = t.openFetch();
 			try {
 				map = c.getRefsMap();
 			} finally {
 				c.close();
 			}
 		} finally {
 			t.close();
 		}

 		assertNotNull("have map of refs", map);
 		assertEquals(3, map.size());

 		assertNotNull("has " + master, map.get(master));
 		assertEquals(B, map.get(master).getObjectId());

 		assertNotNull("has " + Constants.HEAD, map.get(Constants.HEAD));
 		assertEquals(B, map.get(Constants.HEAD).getObjectId());

 		List<AccessEvent> requests = getRequests();
 		assertEquals(1, requests.size());

 		AccessEvent info = requests.get(0);
 		assertEquals("GET", info.getMethod());
 		assertEquals(join(remoteURI, "info/refs"), info.getPath());
 		assertEquals(1, info.getParameters().size());
 		assertEquals("git-upload-pack", info.getParameter("service"));
 		assertEquals(200, info.getStatus());
 		assertEquals("application/x-git-upload-pack-advertisement", info
 				.getResponseHeader(HDR_CONTENT_TYPE));
 		assertEquals("gzip", info.getResponseHeader(HDR_CONTENT_ENCODING));
 	}

 	public void testInitialClone_Small() throws Exception {
 		Repository dst = createBareRepository();
 		assertFalse(dst.hasObject(A_txt));

 		Transport t = Transport.open(dst, remoteURI);
 		try {
 			t.fetch(NullProgressMonitor.INSTANCE, mirror(master));
 		} finally {
 			t.close();
 		}

 		assertTrue(dst.hasObject(A_txt));
 		assertEquals(B, dst.getRef(master).getObjectId());
 		fsck(dst, B);

 		List<AccessEvent> requests = getRequests();
 		assertEquals(2, requests.size());

 		AccessEvent info = requests.get(0);
 		assertEquals("GET", info.getMethod());
 		assertEquals(join(remoteURI, "info/refs"), info.getPath());
 		assertEquals(1, info.getParameters().size());
 		assertEquals("git-upload-pack", info.getParameter("service"));
 		assertEquals(200, info.getStatus());
 		assertEquals("application/x-git-upload-pack-advertisement", info
 				.getResponseHeader(HDR_CONTENT_TYPE));
 		assertEquals("gzip", info.getResponseHeader(HDR_CONTENT_ENCODING));

 		AccessEvent service = requests.get(1);
 		assertEquals("POST", service.getMethod());
 		assertEquals(join(remoteURI, "git-upload-pack"), service.getPath());
 		assertEquals(0, service.getParameters().size());
 		assertNotNull("has content-length", service
 				.getRequestHeader(HDR_CONTENT_LENGTH));
 		assertNull("not chunked", service
 				.getRequestHeader(HDR_TRANSFER_ENCODING));
 		assertNull("no compression (too small)", service
 				.getRequestHeader(HDR_CONTENT_ENCODING));

 		assertEquals(200, service.getStatus());
 		assertEquals("application/x-git-upload-pack-result", service
 				.getResponseHeader(HDR_CONTENT_TYPE));
 	}

 	public void testFetchUpdateExisting() throws Exception {
 		// Bootstrap by doing the clone.
 		//
 		TestRepository dst = createTestRepository();
 		Transport t = Transport.open(dst.getRepository(), remoteURI);
 		try {
 			t.fetch(NullProgressMonitor.INSTANCE, mirror(master));
 		} finally {
 			t.close();
 		}
 		assertEquals(B, dst.getRepository().getRef(master).getObjectId());
 		List<AccessEvent> cloneRequests = getRequests();

 		// Force enough into the local client that enumeration will
 		// need multiple packets, but not too many to overflow and
 		// not pick up the ACK_COMMON message.
 		//
 		TestRepository.BranchBuilder b = dst.branch(master);
 		for (int i = 0; i < 32 - 1; i++)
 			b.commit().tick(3600 /* 1 hour */).message("c" + i).create();

 		// Create a new commit on the remote.
 		//
 		b = new TestRepository(remoteRepository).branch(master);
 		RevCommit Z = b.commit().message("Z").create();

 		// Now incrementally update.
 		//
 		t = Transport.open(dst.getRepository(), remoteURI);
 		try {
 			t.fetch(NullProgressMonitor.INSTANCE, mirror(master));
 		} finally {
 			t.close();
 		}
 		assertEquals(Z, dst.getRepository().getRef(master).getObjectId());

 		List<AccessEvent> requests = getRequests();
 		requests.removeAll(cloneRequests);
 		assertEquals(3, requests.size());

 		AccessEvent info = requests.get(0);
 		assertEquals("GET", info.getMethod());
 		assertEquals(join(remoteURI, "info/refs"), info.getPath());
 		assertEquals(1, info.getParameters().size());
 		assertEquals("git-upload-pack", info.getParameter("service"));
 		assertEquals(200, info.getStatus());
 		assertEquals("application/x-git-upload-pack-advertisement", info
 				.getResponseHeader(HDR_CONTENT_TYPE));

 		// We should have needed two requests to perform the fetch
 		// due to the high number of local unknown commits.
 		//
 		AccessEvent service = requests.get(1);
 		assertEquals("POST", service.getMethod());
 		assertEquals(join(remoteURI, "git-upload-pack"), service.getPath());
 		assertEquals(0, service.getParameters().size());
 		assertNotNull("has content-length", service
 				.getRequestHeader(HDR_CONTENT_LENGTH));
 		assertNull("not chunked", service
 				.getRequestHeader(HDR_TRANSFER_ENCODING));

 		assertEquals(200, service.getStatus());
 		assertEquals("application/x-git-upload-pack-result", service
 				.getResponseHeader(HDR_CONTENT_TYPE));

 		service = requests.get(2);
 		assertEquals("POST", service.getMethod());
 		assertEquals(join(remoteURI, "git-upload-pack"), service.getPath());
 		assertEquals(0, service.getParameters().size());
 		assertNotNull("has content-length", service
 				.getRequestHeader(HDR_CONTENT_LENGTH));
 		assertNull("not chunked", service
 				.getRequestHeader(HDR_TRANSFER_ENCODING));

 		assertEquals(200, service.getStatus());
 		assertEquals("application/x-git-upload-pack-result", service
 				.getResponseHeader(HDR_CONTENT_TYPE));
 	}

 	public void testInitialClone_BrokenServer() throws Exception {
 		Repository dst = createBareRepository();
 		assertFalse(dst.hasObject(A_txt));

 		Transport t = Transport.open(dst, brokenURI);
 		try {
 			try {
 				t.fetch(NullProgressMonitor.INSTANCE, mirror(master));
 				fail("fetch completed despite upload-pack being broken");
 			} catch (TransportException err) {
 				String exp = brokenURI + ": expected"
 						+ " Content-Type application/x-git-upload-pack-result;"
 						+ " received Content-Type text/plain;charset=UTF-8";
 				assertEquals(exp, err.getMessage());
 			}
 		} finally {
 			t.close();
 		}

 		List<AccessEvent> requests = getRequests();
 		assertEquals(2, requests.size());

 		AccessEvent info = requests.get(0);
 		assertEquals("GET", info.getMethod());
 		assertEquals(join(brokenURI, "info/refs"), info.getPath());
 		assertEquals(1, info.getParameters().size());
 		assertEquals("git-upload-pack", info.getParameter("service"));
 		assertEquals(200, info.getStatus());
 		assertEquals("application/x-git-upload-pack-advertisement", info
 				.getResponseHeader(HDR_CONTENT_TYPE));

 		AccessEvent service = requests.get(1);
 		assertEquals("POST", service.getMethod());
 		assertEquals(join(brokenURI, "git-upload-pack"), service.getPath());
 		assertEquals(0, service.getParameters().size());
 		assertEquals(200, service.getStatus());
 		assertEquals("text/plain;charset=UTF-8", service
 				.getResponseHeader(HDR_CONTENT_TYPE));
 	}

 	public void testPush_NotAuthorized() throws Exception {
 		final TestRepository src = createTestRepository();
 		final RevBlob Q_txt = src.blob("new text");
 		final RevCommit Q = src.commit().add("Q", Q_txt).create();
 		final Repository db = src.getRepository();
 		final String dstName = Constants.R_HEADS + "new.branch";
 		Transport t;

 		// push anonymous shouldn't be allowed.
 		//
 		t = Transport.open(db, remoteURI);
 		try {
 			final String srcExpr = Q.name();
 			final boolean forceUpdate = false;
 			final String localName = null;
 			final ObjectId oldId = null;

 			RemoteRefUpdate u = new RemoteRefUpdate(src.getRepository(),
 					srcExpr, dstName, forceUpdate, localName, oldId);
 			try {
 				t.push(NullProgressMonitor.INSTANCE, Collections.singleton(u));
 				fail("anonymous push incorrectly accepted without error");
 			} catch (TransportException e) {
 				final String exp = remoteURI + ": "
 						+ JGitText.get().authenticationNotSupported;
 				assertEquals(exp, e.getMessage());
 			}
 		} finally {
 			t.close();
 		}

 		List<AccessEvent> requests = getRequests();
 		assertEquals(1, requests.size());

 		AccessEvent info = requests.get(0);
 		assertEquals("GET", info.getMethod());
 		assertEquals(join(remoteURI, "info/refs"), info.getPath());
 		assertEquals(1, info.getParameters().size());
 		assertEquals("git-receive-pack", info.getParameter("service"));
 		assertEquals(401, info.getStatus());
 	}

 	public void testPush_CreateBranch() throws Exception {
 		final TestRepository src = createTestRepository();
 		final RevBlob Q_txt = src.blob("new text");
 		final RevCommit Q = src.commit().add("Q", Q_txt).create();
 		final Repository db = src.getRepository();
 		final String dstName = Constants.R_HEADS + "new.branch";
 		Transport t;

 		enableReceivePack();

 		t = Transport.open(db, remoteURI);
 		try {
 			final String srcExpr = Q.name();
 			final boolean forceUpdate = false;
 			final String localName = null;
 			final ObjectId oldId = null;

 			RemoteRefUpdate u = new RemoteRefUpdate(src.getRepository(),
 					srcExpr, dstName, forceUpdate, localName, oldId);
 			t.push(NullProgressMonitor.INSTANCE, Collections.singleton(u));
 		} finally {
 			t.close();
 		}

 		assertTrue(remoteRepository.hasObject(Q_txt));
 		assertNotNull("has " + dstName, remoteRepository.getRef(dstName));
 		assertEquals(Q, remoteRepository.getRef(dstName).getObjectId());
 		fsck(remoteRepository, Q);

 		final ReflogReader log = remoteRepository.getReflogReader(dstName);
 		assertNotNull("has log for " + dstName);

 		final ReflogReader.Entry last = log.getLastEntry();
 		assertNotNull("has last entry", last);
 		assertEquals(ObjectId.zeroId(), last.getOldId());
 		assertEquals(Q, last.getNewId());
 		assertEquals("anonymous", last.getWho().getName());

 		// Assumption: The host name we use to contact the server should
 		// be the server's own host name, because it should be the loopback
 		// network interface.
 		//
 		final String clientHost = remoteURI.getHost();
 		assertEquals("anonymous@" + clientHost, last.getWho().getEmailAddress());
 		assertEquals("push: created", last.getComment());

 		List<AccessEvent> requests = getRequests();
 		assertEquals(2, requests.size());

 		AccessEvent info = requests.get(0);
 		assertEquals("GET", info.getMethod());
 		assertEquals(join(remoteURI, "info/refs"), info.getPath());
 		assertEquals(1, info.getParameters().size());
 		assertEquals("git-receive-pack", info.getParameter("service"));
 		assertEquals(200, info.getStatus());
 		assertEquals("application/x-git-receive-pack-advertisement", info
 				.getResponseHeader(HDR_CONTENT_TYPE));

 		AccessEvent service = requests.get(1);
 		assertEquals("POST", service.getMethod());
 		assertEquals(join(remoteURI, "git-receive-pack"), service.getPath());
 		assertEquals(0, service.getParameters().size());
 		assertNotNull("has content-length", service
 				.getRequestHeader(HDR_CONTENT_LENGTH));
 		assertNull("not chunked", service
 				.getRequestHeader(HDR_TRANSFER_ENCODING));

 		assertEquals(200, service.getStatus());
 		assertEquals("application/x-git-receive-pack-result", service
 				.getResponseHeader(HDR_CONTENT_TYPE));
 	}

 	public void testPush_ChunkedEncoding() throws Exception {
 		final TestRepository<FileRepository> src = createTestRepository();
 		final RevBlob Q_bin = src.blob(new TestRng("Q").nextBytes(128 * 1024));
 		final RevCommit Q = src.commit().add("Q", Q_bin).create();
 		final FileRepository db = src.getRepository();
 		final String dstName = Constants.R_HEADS + "new.branch";
 		Transport t;

 		enableReceivePack();

 		db.getConfig().setInt("core", null, "compression", 0);
 		db.getConfig().setInt("http", null, "postbuffer", 8 * 1024);
 		db.getConfig().save();

 		t = Transport.open(db, remoteURI);
 		try {
 			final String srcExpr = Q.name();
 			final boolean forceUpdate = false;
 			final String localName = null;
 			final ObjectId oldId = null;

 			RemoteRefUpdate u = new RemoteRefUpdate(src.getRepository(),
 					srcExpr, dstName, forceUpdate, localName, oldId);
 			t.push(NullProgressMonitor.INSTANCE, Collections.singleton(u));
 		} finally {
 			t.close();
 		}

 		assertTrue(remoteRepository.hasObject(Q_bin));
 		assertNotNull("has " + dstName, remoteRepository.getRef(dstName));
 		assertEquals(Q, remoteRepository.getRef(dstName).getObjectId());
 		fsck(remoteRepository, Q);

 		List<AccessEvent> requests = getRequests();
 		assertEquals(2, requests.size());

 		AccessEvent info = requests.get(0);
 		assertEquals("GET", info.getMethod());
 		assertEquals(join(remoteURI, "info/refs"), info.getPath());
 		assertEquals(1, info.getParameters().size());
 		assertEquals("git-receive-pack", info.getParameter("service"));
 		assertEquals(200, info.getStatus());
 		assertEquals("application/x-git-receive-pack-advertisement", info
 				.getResponseHeader(HDR_CONTENT_TYPE));

 		AccessEvent service = requests.get(1);
 		assertEquals("POST", service.getMethod());
 		assertEquals(join(remoteURI, "git-receive-pack"), service.getPath());
 		assertEquals(0, service.getParameters().size());
 		assertNull("no content-length", service
 				.getRequestHeader(HDR_CONTENT_LENGTH));
 		assertEquals("chunked", service.getRequestHeader(HDR_TRANSFER_ENCODING));

 		assertEquals(200, service.getStatus());
 		assertEquals("application/x-git-receive-pack-result", service
 				.getResponseHeader(HDR_CONTENT_TYPE));
 	}

 	private void enableReceivePack() throws IOException {
 		final FileBasedConfig cfg = remoteRepository.getConfig();
 		cfg.setBoolean("http", null, "receivepack", true);
 		cfg.save();
 	}
 }
	/*
	* Copyright (C) 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
	* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	* 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.test;

	import static org.eclipse.jgit.util.HttpSupport.HDR_CONTENT_ENCODING;
	import static org.eclipse.jgit.util.HttpSupport.HDR_CONTENT_LENGTH;
	import static org.eclipse.jgit.util.HttpSupport.HDR_CONTENT_TYPE;

	import java.io.IOException;
	import java.io.PrintWriter;
	import java.util.Collections;
	import java.util.List;
	import java.util.Map;

	import javax.servlet.Filter;
	import javax.servlet.FilterChain;
	import javax.servlet.FilterConfig;
	import javax.servlet.ServletException;
	import javax.servlet.ServletRequest;
	import javax.servlet.ServletResponse;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

	import org.eclipse.jetty.servlet.FilterHolder;
	import org.eclipse.jetty.servlet.FilterMapping;
	import org.eclipse.jetty.servlet.ServletContextHandler;
	import org.eclipse.jetty.servlet.ServletHolder;
	import org.eclipse.jgit.JGitText;
	import org.eclipse.jgit.errors.RepositoryNotFoundException;
	import org.eclipse.jgit.errors.TransportException;
	import org.eclipse.jgit.http.server.GitServlet;
	import org.eclipse.jgit.http.server.resolver.RepositoryResolver;
	import org.eclipse.jgit.http.server.resolver.ServiceNotEnabledException;
	import org.eclipse.jgit.junit.TestRepository;
	import org.eclipse.jgit.junit.TestRng;
	import org.eclipse.jgit.junit.http.AccessEvent;
	import org.eclipse.jgit.junit.http.HttpTestCase;
	import org.eclipse.jgit.lib.Constants;
	import org.eclipse.jgit.lib.NullProgressMonitor;
	import org.eclipse.jgit.lib.ObjectId;
	import org.eclipse.jgit.lib.Ref;
	import org.eclipse.jgit.lib.Repository;
	import org.eclipse.jgit.revwalk.RevBlob;
	import org.eclipse.jgit.revwalk.RevCommit;
	import org.eclipse.jgit.storage.file.FileBasedConfig;
	import org.eclipse.jgit.storage.file.FileRepository;
	import org.eclipse.jgit.storage.file.ReflogReader;
	import org.eclipse.jgit.transport.FetchConnection;
	import org.eclipse.jgit.transport.HttpTransport;
	import org.eclipse.jgit.transport.RemoteRefUpdate;
	import org.eclipse.jgit.transport.Transport;
	import org.eclipse.jgit.transport.TransportHttp;
	import org.eclipse.jgit.transport.URIish;

	public class SmartClientSmartServerTest extends HttpTestCase {
	private static final String HDR_TRANSFER_ENCODING = "Transfer-Encoding";

	private FileRepository remoteRepository;

	private URIish remoteURI;

	private URIish brokenURI;

	private RevBlob A_txt;

	private RevCommit A, B;

	protected void setUp() throws Exception {
	super.setUp();

	final TestRepository<FileRepository> src = createTestRepository();
	final String srcName = src.getRepository().getDirectory().getName();

	ServletContextHandler app = server.addContext("/git");
	GitServlet gs = new GitServlet();
	gs.setRepositoryResolver(new RepositoryResolver() {
	public Repository open(HttpServletRequest req, String name)
	throws RepositoryNotFoundException,
	ServiceNotEnabledException {
	if (!name.equals(srcName))
	throw new RepositoryNotFoundException(name);

	final Repository db = src.getRepository();
	db.incrementOpen();
	return db;
	}
	});
	app.addServlet(new ServletHolder(gs), "/*");

	ServletContextHandler broken = server.addContext("/bad");
	broken.addFilter(new FilterHolder(new Filter() {
	public void doFilter(ServletRequest request,
	ServletResponse response, FilterChain chain)
	throws IOException, ServletException {
	final HttpServletResponse r = (HttpServletResponse) response;
	r.setContentType("text/plain");
	r.setCharacterEncoding("UTF-8");
	PrintWriter w = r.getWriter();
	w.print("OK");
	w.close();
	}

	public void init(FilterConfig filterConfig) throws ServletException {
	//
	}

	public void destroy() {
	//
	}
	}), "/" + srcName + "/git-upload-pack", FilterMapping.DEFAULT);
	broken.addServlet(new ServletHolder(gs), "/*");

	server.setUp();

	remoteRepository = src.getRepository();
	remoteURI = toURIish(app, srcName);
	brokenURI = toURIish(broken, srcName);

	A_txt = src.blob("A");
	A = src.commit().add("A_txt", A_txt).create();
	B = src.commit().parent(A).add("A_txt", "C").add("B", "B").create();
	src.update(master, B);

	src.update("refs/garbage/a/very/long/ref/name/to/compress", B);
	}

	public void testListRemote() throws IOException {
	Repository dst = createBareRepository();

	assertEquals("http", remoteURI.getScheme());

	Map<String, Ref> map;
	Transport t = Transport.open(dst, remoteURI);
	try {
	// I didn't make up these public interface names, I just
	// approved them for inclusion into the code base. Sorry.
	// --spearce
	//
	assertTrue("isa TransportHttp", t instanceof TransportHttp);
	assertTrue("isa HttpTransport", t instanceof HttpTransport);

	FetchConnection c = t.openFetch();
	try {
	map = c.getRefsMap();
	} finally {
	c.close();
	}
	} finally {
	t.close();
	}

	assertNotNull("have map of refs", map);
	assertEquals(3, map.size());

	assertNotNull("has " + master, map.get(master));
	assertEquals(B, map.get(master).getObjectId());

	assertNotNull("has " + Constants.HEAD, map.get(Constants.HEAD));
	assertEquals(B, map.get(Constants.HEAD).getObjectId());

	List<AccessEvent> requests = getRequests();
	assertEquals(1, requests.size());

	AccessEvent info = requests.get(0);
	assertEquals("GET", info.getMethod());
	assertEquals(join(remoteURI, "info/refs"), info.getPath());
	assertEquals(1, info.getParameters().size());
	assertEquals("git-upload-pack", info.getParameter("service"));
	assertEquals(200, info.getStatus());
	assertEquals("application/x-git-upload-pack-advertisement", info
	.getResponseHeader(HDR_CONTENT_TYPE));
	assertEquals("gzip", info.getResponseHeader(HDR_CONTENT_ENCODING));
	}

	public void testInitialClone_Small() throws Exception {
	Repository dst = createBareRepository();
	assertFalse(dst.hasObject(A_txt));

	Transport t = Transport.open(dst, remoteURI);
	try {
	t.fetch(NullProgressMonitor.INSTANCE, mirror(master));
	} finally {
	t.close();
	}

	assertTrue(dst.hasObject(A_txt));
	assertEquals(B, dst.getRef(master).getObjectId());
	fsck(dst, B);

	List<AccessEvent> requests = getRequests();
	assertEquals(2, requests.size());

	AccessEvent info = requests.get(0);
	assertEquals("GET", info.getMethod());
	assertEquals(join(remoteURI, "info/refs"), info.getPath());
	assertEquals(1, info.getParameters().size());
	assertEquals("git-upload-pack", info.getParameter("service"));
	assertEquals(200, info.getStatus());
	assertEquals("application/x-git-upload-pack-advertisement", info
	.getResponseHeader(HDR_CONTENT_TYPE));
	assertEquals("gzip", info.getResponseHeader(HDR_CONTENT_ENCODING));

	AccessEvent service = requests.get(1);
	assertEquals("POST", service.getMethod());
	assertEquals(join(remoteURI, "git-upload-pack"), service.getPath());
	assertEquals(0, service.getParameters().size());
	assertNotNull("has content-length", service
	.getRequestHeader(HDR_CONTENT_LENGTH));
	assertNull("not chunked", service
	.getRequestHeader(HDR_TRANSFER_ENCODING));
	assertNull("no compression (too small)", service
	.getRequestHeader(HDR_CONTENT_ENCODING));

	assertEquals(200, service.getStatus());
	assertEquals("application/x-git-upload-pack-result", service
	.getResponseHeader(HDR_CONTENT_TYPE));
	}

	public void testFetchUpdateExisting() throws Exception {
	// Bootstrap by doing the clone.
	//
	TestRepository dst = createTestRepository();
	Transport t = Transport.open(dst.getRepository(), remoteURI);
	try {
	t.fetch(NullProgressMonitor.INSTANCE, mirror(master));
	} finally {
	t.close();
	}
	assertEquals(B, dst.getRepository().getRef(master).getObjectId());
	List<AccessEvent> cloneRequests = getRequests();

	// Force enough into the local client that enumeration will
	// need multiple packets, but not too many to overflow and
	// not pick up the ACK_COMMON message.
	//
	TestRepository.BranchBuilder b = dst.branch(master);
	for (int i = 0; i < 32 - 1; i++)
	b.commit().tick(3600 /* 1 hour */).message("c" + i).create();

	// Create a new commit on the remote.
	//
	b = new TestRepository(remoteRepository).branch(master);
	RevCommit Z = b.commit().message("Z").create();

	// Now incrementally update.
	//
	t = Transport.open(dst.getRepository(), remoteURI);
	try {
	t.fetch(NullProgressMonitor.INSTANCE, mirror(master));
	} finally {
	t.close();
	}
	assertEquals(Z, dst.getRepository().getRef(master).getObjectId());

	List<AccessEvent> requests = getRequests();
	requests.removeAll(cloneRequests);
	assertEquals(3, requests.size());

	AccessEvent info = requests.get(0);
	assertEquals("GET", info.getMethod());
	assertEquals(join(remoteURI, "info/refs"), info.getPath());
	assertEquals(1, info.getParameters().size());
	assertEquals("git-upload-pack", info.getParameter("service"));
	assertEquals(200, info.getStatus());
	assertEquals("application/x-git-upload-pack-advertisement", info
	.getResponseHeader(HDR_CONTENT_TYPE));

	// We should have needed two requests to perform the fetch
	// due to the high number of local unknown commits.
	//
	AccessEvent service = requests.get(1);
	assertEquals("POST", service.getMethod());
	assertEquals(join(remoteURI, "git-upload-pack"), service.getPath());
	assertEquals(0, service.getParameters().size());
	assertNotNull("has content-length", service
	.getRequestHeader(HDR_CONTENT_LENGTH));
	assertNull("not chunked", service
	.getRequestHeader(HDR_TRANSFER_ENCODING));

	assertEquals(200, service.getStatus());
	assertEquals("application/x-git-upload-pack-result", service
	.getResponseHeader(HDR_CONTENT_TYPE));

	service = requests.get(2);
	assertEquals("POST", service.getMethod());
	assertEquals(join(remoteURI, "git-upload-pack"), service.getPath());
	assertEquals(0, service.getParameters().size());
	assertNotNull("has content-length", service
	.getRequestHeader(HDR_CONTENT_LENGTH));
	assertNull("not chunked", service
	.getRequestHeader(HDR_TRANSFER_ENCODING));

	assertEquals(200, service.getStatus());
	assertEquals("application/x-git-upload-pack-result", service
	.getResponseHeader(HDR_CONTENT_TYPE));
	}

	public void testInitialClone_BrokenServer() throws Exception {
	Repository dst = createBareRepository();
	assertFalse(dst.hasObject(A_txt));

	Transport t = Transport.open(dst, brokenURI);
	try {
	try {
	t.fetch(NullProgressMonitor.INSTANCE, mirror(master));
	fail("fetch completed despite upload-pack being broken");
	} catch (TransportException err) {
	String exp = brokenURI + ": expected"
	+ " Content-Type application/x-git-upload-pack-result;"
	+ " received Content-Type text/plain;charset=UTF-8";
	assertEquals(exp, err.getMessage());
	}
	} finally {
	t.close();
	}

	List<AccessEvent> requests = getRequests();
	assertEquals(2, requests.size());

	AccessEvent info = requests.get(0);
	assertEquals("GET", info.getMethod());
	assertEquals(join(brokenURI, "info/refs"), info.getPath());
	assertEquals(1, info.getParameters().size());
	assertEquals("git-upload-pack", info.getParameter("service"));
	assertEquals(200, info.getStatus());
	assertEquals("application/x-git-upload-pack-advertisement", info
	.getResponseHeader(HDR_CONTENT_TYPE));

	AccessEvent service = requests.get(1);
	assertEquals("POST", service.getMethod());
	assertEquals(join(brokenURI, "git-upload-pack"), service.getPath());
	assertEquals(0, service.getParameters().size());
	assertEquals(200, service.getStatus());
	assertEquals("text/plain;charset=UTF-8", service
	.getResponseHeader(HDR_CONTENT_TYPE));
	}

	public void testPush_NotAuthorized() throws Exception {
	final TestRepository src = createTestRepository();
	final RevBlob Q_txt = src.blob("new text");
	final RevCommit Q = src.commit().add("Q", Q_txt).create();
	final Repository db = src.getRepository();
	final String dstName = Constants.R_HEADS + "new.branch";
	Transport t;

	// push anonymous shouldn't be allowed.
	//
	t = Transport.open(db, remoteURI);
	try {
	final String srcExpr = Q.name();
	final boolean forceUpdate = false;
	final String localName = null;
	final ObjectId oldId = null;

	RemoteRefUpdate u = new RemoteRefUpdate(src.getRepository(),
	srcExpr, dstName, forceUpdate, localName, oldId);
	try {
	t.push(NullProgressMonitor.INSTANCE, Collections.singleton(u));
	fail("anonymous push incorrectly accepted without error");
	} catch (TransportException e) {
	final String exp = remoteURI + ": "
	+ JGitText.get().authenticationNotSupported;
	assertEquals(exp, e.getMessage());
	}
	} finally {
	t.close();
	}

	List<AccessEvent> requests = getRequests();
	assertEquals(1, requests.size());

	AccessEvent info = requests.get(0);
	assertEquals("GET", info.getMethod());
	assertEquals(join(remoteURI, "info/refs"), info.getPath());
	assertEquals(1, info.getParameters().size());
	assertEquals("git-receive-pack", info.getParameter("service"));
	assertEquals(401, info.getStatus());
	}

	public void testPush_CreateBranch() throws Exception {
	final TestRepository src = createTestRepository();
	final RevBlob Q_txt = src.blob("new text");
	final RevCommit Q = src.commit().add("Q", Q_txt).create();
	final Repository db = src.getRepository();
	final String dstName = Constants.R_HEADS + "new.branch";
	Transport t;

	enableReceivePack();

	t = Transport.open(db, remoteURI);
	try {
	final String srcExpr = Q.name();
	final boolean forceUpdate = false;
	final String localName = null;
	final ObjectId oldId = null;

	RemoteRefUpdate u = new RemoteRefUpdate(src.getRepository(),
	srcExpr, dstName, forceUpdate, localName, oldId);
	t.push(NullProgressMonitor.INSTANCE, Collections.singleton(u));
	} finally {
	t.close();
	}

	assertTrue(remoteRepository.hasObject(Q_txt));
	assertNotNull("has " + dstName, remoteRepository.getRef(dstName));
	assertEquals(Q, remoteRepository.getRef(dstName).getObjectId());
	fsck(remoteRepository, Q);

	final ReflogReader log = remoteRepository.getReflogReader(dstName);
	assertNotNull("has log for " + dstName);

	final ReflogReader.Entry last = log.getLastEntry();
	assertNotNull("has last entry", last);
	assertEquals(ObjectId.zeroId(), last.getOldId());
	assertEquals(Q, last.getNewId());
	assertEquals("anonymous", last.getWho().getName());

	// Assumption: The host name we use to contact the server should
	// be the server's own host name, because it should be the loopback
	// network interface.
	//
	final String clientHost = remoteURI.getHost();
	assertEquals("anonymous@" + clientHost, last.getWho().getEmailAddress());
	assertEquals("push: created", last.getComment());

	List<AccessEvent> requests = getRequests();
	assertEquals(2, requests.size());

	AccessEvent info = requests.get(0);
	assertEquals("GET", info.getMethod());
	assertEquals(join(remoteURI, "info/refs"), info.getPath());
	assertEquals(1, info.getParameters().size());
	assertEquals("git-receive-pack", info.getParameter("service"));
	assertEquals(200, info.getStatus());
	assertEquals("application/x-git-receive-pack-advertisement", info
	.getResponseHeader(HDR_CONTENT_TYPE));

	AccessEvent service = requests.get(1);
	assertEquals("POST", service.getMethod());
	assertEquals(join(remoteURI, "git-receive-pack"), service.getPath());
	assertEquals(0, service.getParameters().size());
	assertNotNull("has content-length", service
	.getRequestHeader(HDR_CONTENT_LENGTH));
	assertNull("not chunked", service
	.getRequestHeader(HDR_TRANSFER_ENCODING));

	assertEquals(200, service.getStatus());
	assertEquals("application/x-git-receive-pack-result", service
	.getResponseHeader(HDR_CONTENT_TYPE));
	}

	public void testPush_ChunkedEncoding() throws Exception {
	final TestRepository<FileRepository> src = createTestRepository();
	final RevBlob Q_bin = src.blob(new TestRng("Q").nextBytes(128 * 1024));
	final RevCommit Q = src.commit().add("Q", Q_bin).create();
	final FileRepository db = src.getRepository();
	final String dstName = Constants.R_HEADS + "new.branch";
	Transport t;

	enableReceivePack();

	db.getConfig().setInt("core", null, "compression", 0);
	db.getConfig().setInt("http", null, "postbuffer", 8 * 1024);
	db.getConfig().save();

	t = Transport.open(db, remoteURI);
	try {
	final String srcExpr = Q.name();
	final boolean forceUpdate = false;
	final String localName = null;
	final ObjectId oldId = null;

	RemoteRefUpdate u = new RemoteRefUpdate(src.getRepository(),
	srcExpr, dstName, forceUpdate, localName, oldId);
	t.push(NullProgressMonitor.INSTANCE, Collections.singleton(u));
	} finally {
	t.close();
	}

	assertTrue(remoteRepository.hasObject(Q_bin));
	assertNotNull("has " + dstName, remoteRepository.getRef(dstName));
	assertEquals(Q, remoteRepository.getRef(dstName).getObjectId());
	fsck(remoteRepository, Q);

	List<AccessEvent> requests = getRequests();
	assertEquals(2, requests.size());

	AccessEvent info = requests.get(0);
	assertEquals("GET", info.getMethod());
	assertEquals(join(remoteURI, "info/refs"), info.getPath());
	assertEquals(1, info.getParameters().size());
	assertEquals("git-receive-pack", info.getParameter("service"));
	assertEquals(200, info.getStatus());
	assertEquals("application/x-git-receive-pack-advertisement", info
	.getResponseHeader(HDR_CONTENT_TYPE));

	AccessEvent service = requests.get(1);
	assertEquals("POST", service.getMethod());
	assertEquals(join(remoteURI, "git-receive-pack"), service.getPath());
	assertEquals(0, service.getParameters().size());
	assertNull("no content-length", service
	.getRequestHeader(HDR_CONTENT_LENGTH));
	assertEquals("chunked", service.getRequestHeader(HDR_TRANSFER_ENCODING));

	assertEquals(200, service.getStatus());
	assertEquals("application/x-git-receive-pack-result", service
	.getResponseHeader(HDR_CONTENT_TYPE));
	}

	private void enableReceivePack() throws IOException {
	final FileBasedConfig cfg = remoteRepository.getConfig();
	cfg.setBoolean("http", null, "receivepack", true);
	cfg.save();
	}
	}