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/*
* Copyright 2011 gitblit.com.
*
* 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.gitblit;
import java.io.IOException;
import java.text.MessageFormat;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jgit.http.server.GitServlet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.gitblit.Constants.AccessRestrictionType;
import com.gitblit.wicket.models.RepositoryModel;
public class GitBlitServlet extends GitServlet {
private static final long serialVersionUID = 1L;
private transient Logger logger = LoggerFactory.getLogger(GitBlitServlet.class);
public GitBlitServlet() {
super();
}
@Override
protected void service(final HttpServletRequest req, final HttpServletResponse rsp)
throws ServletException, IOException {
// admins have full git access to all repositories
if (req.isUserInRole(Constants.ADMIN_ROLE)) {
// admins can do whatever
super.service(req, rsp);
return;
}
// try to intercept repository names for authenticated access
String url = req.getRequestURI().substring(req.getServletPath().length());
if (url.charAt(0) == '/' && url.length() > 1) {
url = url.substring(1);
}
int forwardSlash = url.indexOf('/');
if (forwardSlash > -1) {
String repository = url.substring(0, forwardSlash);
String function = url.substring(forwardSlash + 1);
String query = req.getQueryString() == null ? "" : req.getQueryString();
RepositoryModel model = GitBlit.self().getRepositoryModel(repository);
if (model != null) {
if (model.isFrozen || model.accessRestriction.atLeast(AccessRestrictionType.PUSH)) {
boolean authorizedUser = req.isUserInRole(repository);
if (function.startsWith("git-receive-pack")
|| (query.indexOf("service=git-receive-pack") > -1)) {
// Push request
if (!model.isFrozen && authorizedUser) {
// clone-restricted or push-authorized
super.service(req, rsp);
return;
} else {
// user is unauthorized to push to this repository
logger.warn(MessageFormat.format(
"user {0} is not authorized to push to {1}", req
.getUserPrincipal().getName(), repository));
rsp.sendError(HttpServletResponse.SC_FORBIDDEN, MessageFormat.format(
"you are not authorized to push to {0}", repository));
return;
}
} else if (function.startsWith("git-upload-pack")
|| (query.indexOf("service=git-upload-pack") > -1)) {
// Clone request
boolean cloneRestricted = model.accessRestriction
.atLeast(AccessRestrictionType.CLONE);
if (!cloneRestricted || (cloneRestricted && authorizedUser)) {
// push-restricted or clone-authorized
super.service(req, rsp);
return;
} else {
// user is unauthorized to clone this repository
logger.warn(MessageFormat.format(
"user {0} is not authorized to clone {1}", req
.getUserPrincipal().getName(), repository));
rsp.sendError(HttpServletResponse.SC_FORBIDDEN, MessageFormat.format(
"you are not authorized to clone {0}", repository));
return;
}
}
}
}
}
// pass-through to git servlet
super.service(req, rsp);
}
}
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