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