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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 final 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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