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// Copyright (C) 2023 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;
import com.google.common.base.Strings;
import com.google.gerrit.entities.Account;
import com.google.gerrit.server.config.AnonymousCowardName;
import com.google.gerrit.server.config.EnablePeerIPInReflogRecord;
import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.time.Instant;
import java.time.ZoneId;
import org.eclipse.jgit.lib.PersonIdent;
@Singleton
public class DefaultRefLogIdentityProvider implements RefLogIdentityProvider {
public static class Module extends AbstractModule {
@Override
protected void configure() {
bind(RefLogIdentityProvider.class).to(DefaultRefLogIdentityProvider.class);
}
}
private final String anonymousCowardName;
private final Boolean enablePeerIPInReflogRecord;
@Inject
DefaultRefLogIdentityProvider(
@AnonymousCowardName String anonymousCowardName,
@EnablePeerIPInReflogRecord Boolean enablePeerIPInReflogRecord) {
this.anonymousCowardName = anonymousCowardName;
this.enablePeerIPInReflogRecord = enablePeerIPInReflogRecord;
}
@Override
public PersonIdent newRefLogIdent(IdentifiedUser user, Instant when, ZoneId zoneId) {
Account account = user.getAccount();
String name = account.fullName();
if (name == null || name.isEmpty()) {
name = account.preferredEmail();
}
if (name == null || name.isEmpty()) {
name = anonymousCowardName;
}
String email;
if (enablePeerIPInReflogRecord) {
email = constructMailAddress(user, guessHost(user));
} else {
email =
Strings.isNullOrEmpty(account.preferredEmail())
? constructMailAddress(user, getDefaultDomain())
: account.preferredEmail();
}
return new PersonIdent(name, email, when, zoneId);
}
private String constructMailAddress(IdentifiedUser user, String host) {
return user.getUserName().orElse("")
+ "|account-"
+ user.getAccountId().toString()
+ "@"
+ host;
}
private String guessHost(IdentifiedUser user) {
String host = null;
SocketAddress remotePeer = user.getRemotePeer();
if (remotePeer instanceof InetSocketAddress) {
InetSocketAddress sa = (InetSocketAddress) remotePeer;
InetAddress in = sa.getAddress();
host = in != null ? in.getHostAddress() : sa.getHostName();
}
if (Strings.isNullOrEmpty(host)) {
return getDefaultDomain();
}
return host;
}
}