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// Copyright (C) 2009 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.server.http;
import com.google.gerrit.client.reviewdb.Account;
import com.google.gerrit.client.reviewdb.ReviewDb;
import com.google.gerrit.server.config.CanonicalWebUrl;
import com.google.gerrit.server.config.Nullable;
import com.google.gwtorm.client.OrmException;
import com.google.gwtorm.client.SchemaFactory;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
import java.util.Collections;
import java.util.List;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@SuppressWarnings("serial")
@Singleton
public class BecomeAnyAccountLoginServlet extends HttpServlet {
private final SchemaFactory<ReviewDb> schema;
private final Provider<WebSession> webSession;
private final Provider<String> urlProvider;
private final byte[] raw;
@Inject
BecomeAnyAccountLoginServlet(final Provider<WebSession> ws,
final SchemaFactory<ReviewDb> sf,
final @CanonicalWebUrl @Nullable Provider<String> up,
final ServletContext servletContext) throws IOException {
webSession = ws;
schema = sf;
urlProvider = up;
final String hostPageName = "WEB-INF/BecomeAnyAccount.html";
final String doc = HtmlDomUtil.readFile(servletContext, "/" + hostPageName);
if (doc == null) {
throw new FileNotFoundException("No " + hostPageName + " in webapp");
}
raw = doc.getBytes(HtmlDomUtil.ENC);
}
@Override
protected void doGet(final HttpServletRequest req,
final HttpServletResponse rsp) throws IOException {
doPost(req, rsp);
}
@Override
protected void doPost(final HttpServletRequest req,
final HttpServletResponse rsp) throws IOException {
rsp.setHeader("Expires", "Fri, 01 Jan 1980 00:00:00 GMT");
rsp.setHeader("Pragma", "no-cache");
rsp.setHeader("Cache-Control", "no-cache, must-revalidate");
final List<Account> accounts;
if (req.getParameter("ssh_user_name") != null) {
accounts = bySshUserName(rsp, req.getParameter("ssh_user_name"));
} else if (req.getParameter("preferred_email") != null) {
accounts = byPreferredEmail(rsp, req.getParameter("preferred_email"));
} else if (req.getParameter("account_id") != null) {
accounts = byAccountId(rsp, req.getParameter("account_id"));
} else {
rsp.setContentType("text/html");
rsp.setCharacterEncoding(HtmlDomUtil.ENC);
rsp.setContentLength(raw.length);
final OutputStream out = rsp.getOutputStream();
try {
out.write(raw);
} finally {
out.close();
}
return;
}
if (accounts.size() == 1) {
final Account account = accounts.get(0);
webSession.get().login(account.getId(), false);
rsp.sendRedirect(urlProvider.get());
} else {
rsp.setContentType("text/html");
rsp.setCharacterEncoding(HtmlDomUtil.ENC);
final Writer out = rsp.getWriter();
out.write("<html>");
out.write("<body>");
out.write("<h1>Account Not Found</h1>");
out.write("</body>");
out.write("</html>");
out.close();
}
}
private List<Account> bySshUserName(final HttpServletResponse rsp,
final String userName) {
try {
final ReviewDb db = schema.open();
try {
final Account account = db.accounts().bySshUserName(userName);
return account != null ? Collections.<Account> singletonList(account)
: Collections.<Account> emptyList();
} finally {
db.close();
}
} catch (OrmException e) {
getServletContext().log("cannot query database", e);
return Collections.<Account> emptyList();
}
}
private List<Account> byPreferredEmail(final HttpServletResponse rsp,
final String email) {
try {
final ReviewDb db = schema.open();
try {
return db.accounts().byPreferredEmail(email).toList();
} finally {
db.close();
}
} catch (OrmException e) {
getServletContext().log("cannot query database", e);
return Collections.<Account> emptyList();
}
}
private List<Account> byAccountId(final HttpServletResponse rsp,
final String idStr) {
final Account.Id id;
try {
id = Account.Id.parse(idStr);
} catch (NumberFormatException nfe) {
return Collections.<Account> emptyList();
}
try {
final ReviewDb db = schema.open();
try {
final Account account = db.accounts().get(id);
return account != null ? Collections.<Account> singletonList(account)
: Collections.<Account> emptyList();
} finally {
db.close();
}
} catch (OrmException e) {
getServletContext().log("cannot query database", e);
return Collections.<Account> emptyList();
}
}
}
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