google-nomulus/java/google/registry/util/SendEmailUtils.java
mcilwain eaec03e670 Move ConfigModule and LocalTestConfig into RegistryConfig
This is the final preparatory step necessary in order to load and load
configuration from YAML in a static context and then provide it either via
Dagger (using ConfigModule) or through RegistryConfig's existing static
functions.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=143819983
2017-01-09 12:01:09 -05:00

96 lines
3.4 KiB
Java

// Copyright 2016 The Nomulus Authors. All Rights Reserved.
//
// 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 google.registry.util;
import static com.google.common.collect.Iterables.toArray;
import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.base.Predicates;
import com.google.common.collect.FluentIterable;
import google.registry.config.RegistryConfig.Config;
import java.util.List;
import javax.inject.Inject;
import javax.mail.Message;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
/**
* Utility class for sending emails from the app.
*/
public class SendEmailUtils {
private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
private final String googleAppsSendFromEmailAddress;
private final String googleAppsAdminEmailDisplayName;
@Inject
public SendEmailUtils(
@Config("googleAppsSendFromEmailAddress") String googleAppsSendFromEmailAddress,
@Config("googleAppsAdminEmailDisplayName") String googleAppsAdminEmailDisplayName) {
this.googleAppsSendFromEmailAddress = googleAppsSendFromEmailAddress;
this.googleAppsAdminEmailDisplayName = googleAppsAdminEmailDisplayName;
}
@NonFinalForTesting
private static SendEmailService emailService = new SendEmailService();
/**
* Sends an email from Nomulus to the specified recipient(s). Returns true iff sending was
* successful.
*/
public boolean sendEmail(Iterable<String> addresses, final String subject, String body) {
try {
Message msg = emailService.createMessage();
msg.setFrom(
new InternetAddress(googleAppsSendFromEmailAddress, googleAppsAdminEmailDisplayName));
List<InternetAddress> emails = FluentIterable
.from(addresses)
.transform(new Function<String, InternetAddress>() {
@Override
public InternetAddress apply(String emailAddress) {
try {
return new InternetAddress(emailAddress);
} catch (AddressException e) {
logger.severefmt(
e,
"Could not send email to %s with subject '%s'.",
emailAddress,
subject);
// Returning null excludes this address from the list of recipients on the email.
return null;
}
}})
.filter(Predicates.notNull())
.toList();
if (emails.isEmpty()) {
return false;
}
msg.addRecipients(Message.RecipientType.TO, toArray(emails, InternetAddress.class));
msg.setSubject(subject);
msg.setText(body);
emailService.sendMessage(msg);
} catch (Throwable t) {
logger.severefmt(
t,
"Could not email to addresses %s with subject '%s'.",
Joiner.on(", ").join(addresses),
subject);
return false;
}
return true;
}
}