| /* |
| * Copyright (C) 2009-2010, Google Inc. and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.eclipse.jgit.http.server; |
| |
| 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_NOT_FOUND; |
| import static javax.servlet.http.HttpServletResponse.SC_UNAUTHORIZED; |
| import static org.eclipse.jgit.http.server.GitSmartHttpTools.sendError; |
| import static org.eclipse.jgit.http.server.ServletUtils.ATTRIBUTE_REPOSITORY; |
| |
| import java.io.IOException; |
| import java.text.MessageFormat; |
| |
| import javax.servlet.Filter; |
| import javax.servlet.FilterChain; |
| import javax.servlet.FilterConfig; |
| import javax.servlet.ServletContext; |
| 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.jgit.errors.RepositoryNotFoundException; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.transport.ServiceMayNotContinueException; |
| import org.eclipse.jgit.transport.resolver.RepositoryResolver; |
| import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException; |
| import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException; |
| |
| /** |
| * Open a repository named by the path info through |
| * {@link org.eclipse.jgit.transport.resolver.RepositoryResolver}. |
| * <p> |
| * This filter assumes it is invoked by |
| * {@link org.eclipse.jgit.http.server.GitServlet} and is likely to not work as |
| * expected if called from any other class. This filter assumes the path info of |
| * the current request is a repository name which can be used by the configured |
| * {@link org.eclipse.jgit.transport.resolver.RepositoryResolver} to open a |
| * {@link org.eclipse.jgit.lib.Repository} and attach it to the current request. |
| * <p> |
| * This filter sets request attribute |
| * {@link org.eclipse.jgit.http.server.ServletUtils#ATTRIBUTE_REPOSITORY} when |
| * it discovers the repository, and automatically closes and removes the |
| * attribute when the request is complete. |
| */ |
| public class RepositoryFilter implements Filter { |
| private final RepositoryResolver<HttpServletRequest> resolver; |
| |
| private ServletContext context; |
| |
| /** |
| * Create a new filter. |
| * |
| * @param resolver |
| * the resolver which will be used to translate the URL name |
| * component to the actual |
| * {@link org.eclipse.jgit.lib.Repository} instance for the |
| * current web request. |
| */ |
| public RepositoryFilter(RepositoryResolver<HttpServletRequest> resolver) { |
| this.resolver = resolver; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void init(FilterConfig config) throws ServletException { |
| context = config.getServletContext(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void destroy() { |
| context = null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void doFilter(final ServletRequest request, |
| final ServletResponse response, final FilterChain chain) |
| throws IOException, ServletException { |
| HttpServletRequest req = (HttpServletRequest) request; |
| HttpServletResponse res = (HttpServletResponse) response; |
| |
| if (request.getAttribute(ATTRIBUTE_REPOSITORY) != null) { |
| context.log(MessageFormat.format(HttpServerText.get().internalServerErrorRequestAttributeWasAlreadySet |
| , ATTRIBUTE_REPOSITORY |
| , getClass().getName())); |
| sendError(req, res, SC_INTERNAL_SERVER_ERROR); |
| return; |
| } |
| |
| String name = req.getPathInfo(); |
| while (name != null && 0 < name.length() && name.charAt(0) == '/') |
| name = name.substring(1); |
| if (name == null || name.length() == 0) { |
| sendError(req, res, SC_NOT_FOUND); |
| return; |
| } |
| |
| try (Repository db = resolver.open(req, name)) { |
| request.setAttribute(ATTRIBUTE_REPOSITORY, db); |
| chain.doFilter(request, response); |
| } catch (RepositoryNotFoundException e) { |
| sendError(req, res, SC_NOT_FOUND); |
| return; |
| } catch (ServiceNotEnabledException e) { |
| sendError(req, res, SC_FORBIDDEN, e.getMessage()); |
| return; |
| } catch (ServiceNotAuthorizedException e) { |
| res.sendError(SC_UNAUTHORIZED, e.getMessage()); |
| return; |
| } catch (ServiceMayNotContinueException e) { |
| sendError(req, res, e.getStatusCode(), e.getMessage()); |
| return; |
| } finally { |
| request.removeAttribute(ATTRIBUTE_REPOSITORY); |
| } |
| } |
| } |