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// Copyright (C) 2020 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.integration.ssh;
import static com.google.common.truth.Truth.assertThat;
import static com.google.gerrit.testing.GerritJUnit.assertThrows;
import static java.nio.charset.StandardCharsets.ISO_8859_1;
import static java.nio.charset.StandardCharsets.UTF_8;
import com.google.common.base.Splitter;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.gerrit.acceptance.GerritServer.TestSshServerAddress;
import com.google.gerrit.acceptance.NoHttpd;
import com.google.gerrit.acceptance.StandaloneSiteTest;
import com.google.gerrit.acceptance.UseSsh;
import com.google.gerrit.common.Version;
import com.google.gerrit.server.PeerDaemonUser;
import com.google.inject.Inject;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.file.Files;
import java.util.List;
import org.junit.Test;
@NoHttpd
@UseSsh
public class PeerKeysAuthIT extends StandaloneSiteTest {
private static final String[] SSH_KEYGEN_CMD =
new String[] {"ssh-keygen", "-t", "rsa", "-q", "-P", "", "-f", "id_rsa"};
private static final String[] SSH_COMMAND =
new String[] {
"ssh",
"-o",
"UserKnownHostsFile=/dev/null",
"-o",
"StrictHostKeyChecking=no",
"-o",
"IdentitiesOnly=yes",
"-i"
};
@Inject private @TestSshServerAddress InetSocketAddress sshAddress;
@Test
public void test() throws Exception {
try (ServerContext ctx = startServer()) {
ctx.getInjector().injectMembers(this);
// Generate private/public key for user
execute(ImmutableList.<String>builder().add(SSH_KEYGEN_CMD).build());
List<String> parts =
Splitter.on(" ")
.splitToList(
new String(Files.readAllBytes(sitePaths.data_dir.resolve("id_rsa.pub")), UTF_8));
// Loose algorithm at index 0, verify the format: "key comment"
Files.write(
sitePaths.peer_keys,
String.format("%s %s", parts.get(1), parts.get(2)).getBytes(ISO_8859_1));
assertContent(execGerritVersionCommand());
// Only preserve the key material: no algorithm and no comment
Files.write(sitePaths.peer_keys, parts.get(1).getBytes(ISO_8859_1));
assertContent(execGerritVersionCommand());
// Wipe out the content of the peer keys file
Files.delete(sitePaths.peer_keys);
assertThrows(IOException.class, () -> execGerritVersionCommand());
}
}
private String execGerritVersionCommand() throws Exception {
return execute(
ImmutableList.<String>builder()
.add(SSH_COMMAND)
.add(sitePaths.data_dir.resolve("id_rsa").toString())
.add("-p " + sshAddress.getPort())
.add(PeerDaemonUser.USER_NAME + "@" + sshAddress.getHostName())
.add("suexec")
.add("--as")
.add("admin")
.add("--")
.add("gerrit")
.add("version")
.build());
}
private String execute(ImmutableList<String> cmd) throws Exception {
return execute(cmd, sitePaths.data_dir.toFile(), ImmutableMap.of());
}
private static void assertContent(String result) {
assertThat(result).contains("gerrit version " + Version.getVersion());
}
}
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