/*
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* Copyright 2013 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.git;
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import java.io.IOException;
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import java.text.MessageFormat;
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import javax.servlet.http.HttpServletRequest;
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import org.eclipse.jgit.errors.RepositoryNotFoundException;
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import org.eclipse.jgit.lib.Repository;
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import org.eclipse.jgit.transport.resolver.FileResolver;
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import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.gitblit.manager.IGitblit;
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import com.gitblit.models.RepositoryModel;
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import com.gitblit.models.UserModel;
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import com.gitblit.transport.git.GitDaemonClient;
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import com.gitblit.transport.ssh.SshDaemonClient;
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/**
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* Resolves repositories and grants export access.
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*
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* @author James Moger
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*
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*/
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public class RepositoryResolver<X> extends FileResolver<X> {
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private final Logger logger = LoggerFactory.getLogger(RepositoryResolver.class);
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private final IGitblit gitblit;
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public RepositoryResolver(IGitblit gitblit) {
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super(gitblit.getRepositoriesFolder(), true);
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this.gitblit = gitblit;
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}
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/**
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* Open the repository and inject the repository name into the settings.
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*/
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@Override
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public Repository open(final X req, final String name)
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throws RepositoryNotFoundException, ServiceNotEnabledException {
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Repository repo = super.open(req, name);
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// Set repository name for the pack factories
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// We do this because the JGit API does not have a consistent way to
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// retrieve the repository name from the pack factories or the hooks.
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if (req instanceof HttpServletRequest) {
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// http/https request
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HttpServletRequest client = (HttpServletRequest) req;
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client.setAttribute("gitblitRepositoryName", name);
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} else if (req instanceof GitDaemonClient) {
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// git request
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GitDaemonClient client = (GitDaemonClient) req;
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client.setRepositoryName(name);
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} else if (req instanceof SshDaemonClient) {
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SshDaemonClient client = (SshDaemonClient) req;
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client.setRepositoryName(name);
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}
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return repo;
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}
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/**
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* Check if this repository can be served by the requested client connection.
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*/
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@Override
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protected boolean isExportOk(X req, String repositoryName, Repository db) throws IOException {
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RepositoryModel model = gitblit.getRepositoryModel(repositoryName);
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String scheme = null;
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UserModel user = null;
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String origin = null;
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if (req instanceof GitDaemonClient) {
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// git daemon request
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// this is an anonymous/unauthenticated protocol
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GitDaemonClient client = (GitDaemonClient) req;
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scheme = "git";
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origin = client.getRemoteAddress().toString();
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user = UserModel.ANONYMOUS;
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} else if (req instanceof HttpServletRequest) {
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// http/https request
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HttpServletRequest client = (HttpServletRequest) req;
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scheme = client.getScheme();
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origin = client.getRemoteAddr();
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user = gitblit.authenticate(client);
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if (user == null) {
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user = UserModel.ANONYMOUS;
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}
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} else if (req instanceof SshDaemonClient) {
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// ssh is always authenticated
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SshDaemonClient client = (SshDaemonClient) req;
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user = client.getUser();
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}
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if (user.canClone(model)) {
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// user can access this git repo
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logger.debug(MessageFormat.format("{0}:// access of {1} by {2} from {3} PERMITTED",
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scheme, repositoryName, user.username, origin));
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return true;
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}
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// user can not access this git repo
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logger.warn(MessageFormat.format("{0}:// access of {1} by {2} from {3} DENIED",
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scheme, repositoryName, user.username, origin));
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return false;
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}
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}
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