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//Copyright (C) 2011 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.auth.container;
import com.google.gerrit.common.PageLinks;
import com.google.gerrit.server.config.CanonicalWebUrl;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.io.IOException;
import javax.annotation.Nullable;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet bound to {@code /login/*} to redirect after client SSL certificate
* login.
* <p>
* When using client SSL certificate one should normally never see the sign in
* dialog. However, this will happen if users session gets invalidated in some
* way. Like in other authentication types, we need to force page to fully
* reload in order to initialize a new session and create a valid xsrfKey.
*/
@Singleton
public class HttpsClientSslCertLoginServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private final Provider<String> urlProvider;
@Inject
public HttpsClientSslCertLoginServlet(@CanonicalWebUrl @Nullable final Provider<String> urlProvider) {
this.urlProvider = urlProvider;
}
@Override
protected void doGet(final HttpServletRequest req,
final HttpServletResponse rsp) throws IOException {
final StringBuilder rdr = new StringBuilder();
rdr.append(urlProvider.get());
rdr.append('#');
rdr.append(getToken(req));
rsp.setHeader("Expires", "Fri, 01 Jan 1980 00:00:00 GMT");
rsp.setHeader("Pragma", "no-cache");
rsp.setHeader("Cache-Control", "no-cache, must-revalidate");
rsp.sendRedirect(rdr.toString());
}
private String getToken(final HttpServletRequest req) {
String token = req.getPathInfo();
if (token == null || token.isEmpty()) {
token = PageLinks.MINE;
}
return token;
}
}
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