| /* |
| * 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 |
| * 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.server; |
| |
| import static javax.servlet.http.HttpServletResponse.SC_BAD_REQUEST; |
| import static javax.servlet.http.HttpServletResponse.SC_FORBIDDEN; |
| import static javax.servlet.http.HttpServletResponse.SC_INTERNAL_SERVER_ERROR; |
| import static javax.servlet.http.HttpServletResponse.SC_UNAUTHORIZED; |
| import static javax.servlet.http.HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE; |
| import static org.eclipse.jgit.http.server.ClientVersionUtil.hasChunkedEncodingRequestBug; |
| import static org.eclipse.jgit.http.server.ClientVersionUtil.hasPushStatusBug; |
| import static org.eclipse.jgit.http.server.ClientVersionUtil.parseVersion; |
| import static org.eclipse.jgit.http.server.GitSmartHttpTools.RECEIVE_PACK; |
| import static org.eclipse.jgit.http.server.GitSmartHttpTools.RECEIVE_PACK_REQUEST_TYPE; |
| import static org.eclipse.jgit.http.server.GitSmartHttpTools.RECEIVE_PACK_RESULT_TYPE; |
| import static org.eclipse.jgit.http.server.GitSmartHttpTools.sendError; |
| import static org.eclipse.jgit.http.server.ServletUtils.ATTRIBUTE_HANDLER; |
| import static org.eclipse.jgit.http.server.ServletUtils.consumeRequestBody; |
| import static org.eclipse.jgit.http.server.ServletUtils.getInputStream; |
| import static org.eclipse.jgit.http.server.ServletUtils.getRepository; |
| import static org.eclipse.jgit.util.HttpSupport.HDR_USER_AGENT; |
| |
| import java.io.IOException; |
| import java.text.MessageFormat; |
| import java.util.List; |
| |
| 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.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jgit.errors.CorruptObjectException; |
| import org.eclipse.jgit.errors.PackProtocolException; |
| import org.eclipse.jgit.errors.UnpackException; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.transport.InternalHttpServerGlue; |
| import org.eclipse.jgit.transport.ReceivePack; |
| import org.eclipse.jgit.transport.RefAdvertiser.PacketLineOutRefAdvertiser; |
| import org.eclipse.jgit.transport.resolver.ReceivePackFactory; |
| import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException; |
| import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException; |
| |
| /** Server side implementation of smart push over HTTP. */ |
| class ReceivePackServlet extends HttpServlet { |
| private static final long serialVersionUID = 1L; |
| |
| static class InfoRefs extends SmartServiceInfoRefs { |
| private final ReceivePackFactory<HttpServletRequest> receivePackFactory; |
| |
| InfoRefs(ReceivePackFactory<HttpServletRequest> receivePackFactory, |
| List<Filter> filters) { |
| super(RECEIVE_PACK, filters); |
| this.receivePackFactory = receivePackFactory; |
| } |
| |
| @Override |
| protected void begin(HttpServletRequest req, Repository db) |
| throws IOException, ServiceNotEnabledException, |
| ServiceNotAuthorizedException { |
| ReceivePack rp = receivePackFactory.create(req, db); |
| InternalHttpServerGlue.setPeerUserAgent( |
| rp, |
| req.getHeader(HDR_USER_AGENT)); |
| req.setAttribute(ATTRIBUTE_HANDLER, rp); |
| } |
| |
| @Override |
| protected void advertise(HttpServletRequest req, |
| PacketLineOutRefAdvertiser pck) throws IOException, |
| ServiceNotEnabledException, ServiceNotAuthorizedException { |
| ReceivePack rp = (ReceivePack) req.getAttribute(ATTRIBUTE_HANDLER); |
| try { |
| rp.sendAdvertisedRefs(pck); |
| } finally { |
| rp.getRevWalk().close(); |
| } |
| } |
| } |
| |
| static class Factory implements Filter { |
| private final ReceivePackFactory<HttpServletRequest> receivePackFactory; |
| |
| Factory(ReceivePackFactory<HttpServletRequest> receivePackFactory) { |
| this.receivePackFactory = receivePackFactory; |
| } |
| |
| @Override |
| public void doFilter(ServletRequest request, ServletResponse response, |
| FilterChain chain) throws IOException, ServletException { |
| HttpServletRequest req = (HttpServletRequest) request; |
| HttpServletResponse rsp = (HttpServletResponse) response; |
| ReceivePack rp; |
| try { |
| rp = receivePackFactory.create(req, getRepository(req)); |
| } catch (ServiceNotAuthorizedException e) { |
| rsp.sendError(SC_UNAUTHORIZED, e.getMessage()); |
| return; |
| } catch (ServiceNotEnabledException e) { |
| sendError(req, rsp, SC_FORBIDDEN, e.getMessage()); |
| return; |
| } |
| |
| try { |
| req.setAttribute(ATTRIBUTE_HANDLER, rp); |
| chain.doFilter(req, rsp); |
| } finally { |
| req.removeAttribute(ATTRIBUTE_HANDLER); |
| } |
| } |
| |
| @Override |
| public void init(FilterConfig filterConfig) throws ServletException { |
| // Nothing. |
| } |
| |
| @Override |
| public void destroy() { |
| // Nothing. |
| } |
| } |
| |
| @Override |
| public void doPost(final HttpServletRequest req, |
| final HttpServletResponse rsp) throws IOException { |
| if (!RECEIVE_PACK_REQUEST_TYPE.equals(req.getContentType())) { |
| rsp.sendError(SC_UNSUPPORTED_MEDIA_TYPE); |
| return; |
| } |
| |
| int[] version = parseVersion(req.getHeader(HDR_USER_AGENT)); |
| if (hasChunkedEncodingRequestBug(version, req)) { |
| GitSmartHttpTools.sendError(req, rsp, SC_BAD_REQUEST, "\n\n" |
| + HttpServerText.get().clientHas175ChunkedEncodingBug); |
| return; |
| } |
| |
| SmartOutputStream out = new SmartOutputStream(req, rsp, false) { |
| @Override |
| public void flush() throws IOException { |
| doFlush(); |
| } |
| }; |
| |
| ReceivePack rp = (ReceivePack) req.getAttribute(ATTRIBUTE_HANDLER); |
| try { |
| rp.setBiDirectionalPipe(false); |
| rp.setEchoCommandFailures(hasPushStatusBug(version)); |
| rsp.setContentType(RECEIVE_PACK_RESULT_TYPE); |
| |
| rp.receive(getInputStream(req), out, null); |
| out.close(); |
| } catch (CorruptObjectException e ) { |
| // This should be already reported to the client. |
| getServletContext().log(MessageFormat.format( |
| HttpServerText.get().receivedCorruptObject, |
| e.getMessage(), |
| ServletUtils.identify(rp.getRepository()))); |
| consumeRequestBody(req); |
| out.close(); |
| |
| } catch (UnpackException | PackProtocolException e) { |
| // This should be already reported to the client. |
| log(rp.getRepository(), e.getCause()); |
| consumeRequestBody(req); |
| out.close(); |
| |
| } catch (Throwable e) { |
| log(rp.getRepository(), e); |
| if (!rsp.isCommitted()) { |
| rsp.reset(); |
| sendError(req, rsp, SC_INTERNAL_SERVER_ERROR); |
| } |
| return; |
| } |
| } |
| |
| private void log(Repository git, Throwable e) { |
| getServletContext().log(MessageFormat.format( |
| HttpServerText.get().internalErrorDuringReceivePack, |
| ServletUtils.identify(git)), e); |
| } |
| } |