| // Copyright (C) 2010 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.gerrit.httpd; |
| |
| import com.google.gerrit.common.PageLinks; |
| import com.google.gerrit.reviewdb.Change; |
| import com.google.gerrit.reviewdb.Project; |
| import com.google.gerrit.reviewdb.ReviewDb; |
| import com.google.gerrit.server.AnonymousUser; |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.config.CanonicalWebUrl; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.gerrit.server.git.ReceiveCommits; |
| import com.google.gerrit.server.git.VisibleRefFilter; |
| import com.google.gerrit.server.project.NoSuchProjectException; |
| import com.google.gerrit.server.project.ProjectControl; |
| import com.google.inject.AbstractModule; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.Singleton; |
| |
| import org.eclipse.jgit.errors.RepositoryNotFoundException; |
| import org.eclipse.jgit.http.server.GitServlet; |
| import org.eclipse.jgit.http.server.resolver.AsIsFileService; |
| import org.eclipse.jgit.http.server.resolver.ReceivePackFactory; |
| import org.eclipse.jgit.http.server.resolver.RepositoryResolver; |
| import org.eclipse.jgit.http.server.resolver.ServiceNotAuthorizedException; |
| import org.eclipse.jgit.http.server.resolver.ServiceNotEnabledException; |
| import org.eclipse.jgit.http.server.resolver.UploadPackFactory; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.transport.ReceivePack; |
| import org.eclipse.jgit.transport.UploadPack; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| |
| import javax.annotation.Nullable; |
| import javax.servlet.ServletConfig; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| /** Serves Git repositories over HTTP. */ |
| @Singleton |
| public class ProjectServlet extends GitServlet { |
| private static final Logger log = |
| LoggerFactory.getLogger(ProjectServlet.class); |
| |
| private static final String ATT_CONTROL = ProjectControl.class.getName(); |
| |
| static class Module extends AbstractModule { |
| @Override |
| protected void configure() { |
| bind(Resolver.class); |
| bind(Upload.class); |
| bind(Receive.class); |
| } |
| } |
| |
| static ProjectControl getProjectControl(HttpServletRequest req) |
| throws ServiceNotEnabledException { |
| ProjectControl pc = (ProjectControl) req.getAttribute(ATT_CONTROL); |
| if (pc == null) { |
| log.error("No " + ATT_CONTROL + " in request", new Exception("here")); |
| throw new ServiceNotEnabledException(); |
| } |
| return pc; |
| } |
| |
| private final Provider<String> urlProvider; |
| |
| @Inject |
| ProjectServlet(final Resolver resolver, final Upload upload, |
| final Receive receive, |
| @CanonicalWebUrl @Nullable Provider<String> urlProvider) { |
| this.urlProvider = urlProvider; |
| |
| setRepositoryResolver(resolver); |
| setAsIsFileService(AsIsFileService.DISABLED); |
| setUploadPackFactory(upload); |
| setReceivePackFactory(receive); |
| } |
| |
| @Override |
| public void init(ServletConfig config) throws ServletException { |
| super.init(config); |
| |
| serveRegex("^/(.*?)/?$").with(new HttpServlet() { |
| @Override |
| protected void doGet(HttpServletRequest req, HttpServletResponse rsp) |
| throws IOException { |
| ProjectControl pc; |
| try { |
| pc = getProjectControl(req); |
| } catch (ServiceNotEnabledException e) { |
| rsp.sendError(HttpServletResponse.SC_NOT_FOUND); |
| return; |
| } |
| |
| Project.NameKey dst = pc.getProject().getNameKey(); |
| StringBuilder r = new StringBuilder(); |
| r.append(urlProvider.get()); |
| r.append('#'); |
| r.append(PageLinks.toProject(dst, Change.Status.NEW)); |
| rsp.sendRedirect(r.toString()); |
| } |
| }); |
| } |
| |
| static class Resolver implements RepositoryResolver { |
| private final GitRepositoryManager manager; |
| private final ProjectControl.Factory projectControlFactory; |
| |
| @Inject |
| Resolver(GitRepositoryManager manager, |
| ProjectControl.Factory projectControlFactory) { |
| this.manager = manager; |
| this.projectControlFactory = projectControlFactory; |
| } |
| |
| @Override |
| public Repository open(HttpServletRequest req, String projectName) |
| throws RepositoryNotFoundException, ServiceNotAuthorizedException, |
| ServiceNotEnabledException { |
| if (projectName.endsWith(".git")) { |
| // Be nice and drop the trailing ".git" suffix, which we never keep |
| // in our database, but clients might mistakenly provide anyway. |
| // |
| projectName = projectName.substring(0, projectName.length() - 4); |
| } |
| |
| if (projectName.startsWith("/")) { |
| // Be nice and drop the leading "/" if supplied by an absolute path. |
| // We don't have a file system hierarchy, just a flat namespace in |
| // the database's Project entities. We never encode these with a |
| // leading '/' but users might accidentally include them in Git URLs. |
| // |
| projectName = projectName.substring(1); |
| } |
| |
| final ProjectControl pc; |
| try { |
| final Project.NameKey nameKey = new Project.NameKey(projectName); |
| pc = projectControlFactory.controlFor(nameKey); |
| } catch (NoSuchProjectException err) { |
| throw new RepositoryNotFoundException(projectName); |
| } |
| if (!pc.isVisible()) { |
| if (pc.getCurrentUser() instanceof AnonymousUser) { |
| throw new ServiceNotAuthorizedException(); |
| } else { |
| throw new ServiceNotEnabledException(); |
| } |
| } |
| req.setAttribute(ATT_CONTROL, pc); |
| |
| return manager.openRepository(pc.getProject().getName()); |
| } |
| } |
| |
| static class Upload implements UploadPackFactory { |
| private final Provider<ReviewDb> db; |
| |
| @Inject |
| Upload(final Provider<ReviewDb> db) { |
| this.db = db; |
| } |
| |
| @Override |
| public UploadPack create(HttpServletRequest req, Repository repo) |
| throws ServiceNotEnabledException { |
| // The Resolver above already checked READ access for us. |
| // |
| ProjectControl pc = getProjectControl(req); |
| UploadPack up = new UploadPack(repo); |
| if (!pc.allRefsAreVisible()) { |
| up.setRefFilter(new VisibleRefFilter(repo, pc, db.get())); |
| } |
| return up; |
| } |
| } |
| |
| static class Receive implements ReceivePackFactory { |
| private final ReceiveCommits.Factory factory; |
| |
| @Inject |
| Receive(final ReceiveCommits.Factory factory) { |
| this.factory = factory; |
| } |
| |
| @Override |
| public ReceivePack create(HttpServletRequest req, Repository db) |
| throws ServiceNotEnabledException, ServiceNotAuthorizedException { |
| final ProjectControl pc = getProjectControl(req); |
| if (pc.getCurrentUser() instanceof IdentifiedUser) { |
| final IdentifiedUser user = (IdentifiedUser) pc.getCurrentUser(); |
| final ReceiveCommits rc = factory.create(pc, db); |
| final ReceiveCommits.Capable s = rc.canUpload(); |
| if (s != ReceiveCommits.Capable.OK) { |
| // TODO We should alert the user to this message on the HTTP |
| // response channel, assuming Git will even report it to them. |
| // |
| final String who = user.getUserName(); |
| final String why = s.getMessage(); |
| log.warn("Rejected push from " + who + ": " + why); |
| throw new ServiceNotEnabledException(); |
| } |
| |
| rc.getReceivePack().setRefLogIdent(user.newRefLogIdent()); |
| return rc.getReceivePack(); |
| |
| } else { |
| throw new ServiceNotAuthorizedException(); |
| } |
| } |
| } |
| } |