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// Copyright (C) 2016 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.mail.send;

import static org.apache.commons.validator.routines.DomainValidator.ArrayType.GENERIC_PLUS;

import com.google.common.flogger.FluentLogger;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.apache.commons.validator.routines.DomainValidator;
import org.apache.commons.validator.routines.EmailValidator;
import org.eclipse.jgit.lib.Config;

/**
 * Validator that checks if an email address is valid and allowed for receiving notification emails.
 *
 * 

An email address is valid if it is syntactically correct. * *

An email address is allowed if its top level domain is allowed by Gerrit's configuration. */ @Singleton public class OutgoingEmailValidator { private static final FluentLogger logger = FluentLogger.forEnclosingClass(); @Inject OutgoingEmailValidator(@GerritServerConfig Config config) { String[] allowTLD = config.getStringList("sendemail", null, "allowTLD"); if (allowTLD.length != 0) { try { DomainValidator.updateTLDOverride(GENERIC_PLUS, allowTLD); } catch (IllegalStateException e) { // Should only happen in tests, where the OutgoingEmailValidator // is instantiated repeatedly. logger.atSevere().log("Failed to update TLD override: %s", e.getMessage()); } } } public boolean isValid(String addr) { return EmailValidator.getInstance(true, true).isValid(addr); } }





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