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Main ACS AEM Commons OSGi Bundle. Includes commons utilities.
/*
* ACS AEM Commons
*
* Copyright (C) 2013 - 2023 Adobe
*
* 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.adobe.acs.commons.email.impl;
import com.adobe.acs.commons.email.EmailService;
import com.adobe.acs.commons.email.EmailServiceConstants;
import com.day.cq.commons.mail.MailTemplate;
import com.day.cq.mailer.MessageGateway;
import com.day.cq.mailer.MessageGatewayService;
import org.apache.commons.lang.text.StrLookup;
import org.apache.commons.mail.Email;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.HtmlEmail;
import org.apache.commons.mail.SimpleEmail;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.resource.LoginException;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ResourceResolverFactory;
import org.apache.sling.commons.osgi.PropertiesUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.activation.DataSource;
import javax.jcr.Session;
import javax.mail.MessagingException;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* ACS AEM Commons - E-mail Service
* A Generic Email service that sends an email to a given list of recipients.
*
* The mailType is set to HTMLEmail by default if there are any attachments. Since we are using
* the template to determine the mailType, the template name has to be *.html.
*
* Here is an example to send an email with attachments:
*
* String attachment1 = "This text should be in the attache txt file."
* Map attachments = new HashMap<>();
* attachments.put("attachment1.txt", new ByteArrayDataSource(attachment1, "text/plain"));
* ...
* ...
* List participantList = emailService.sendEmail(htmlEmailTemplatePath, emailParams, attachments, key);
*/
@Component(metatype = true, label = "ACS AEM Commons - Email Service", description = "ACS AEM Commons - Email Service")
@Service
public final class EmailServiceImpl implements EmailService {
private static final Logger log = LoggerFactory.getLogger(EmailServiceImpl.class);
private static final String MSG_INVALID_RECIPIENTS = "Invalid Recipients";
@Reference
private MessageGatewayService messageGatewayService;
@Reference
private ResourceResolverFactory resourceResolverFactory;
public static final int DEFAULT_CONNECT_TIMEOUT = 30000;
public static final int DEFAULT_SOCKET_TIMEOUT = 30000;
@Property(label = "Socket Timeout", description = "Socket timeout in milliseconds", intValue = DEFAULT_SOCKET_TIMEOUT)
private static final String PROP_SO_TIMEOUT = "so.timeout";
@Property(label = "Connect Timeout", description = "Connect timeout in milliseconds", intValue = DEFAULT_CONNECT_TIMEOUT)
private static final String PROP_CONNECT_TIMEOUT = "conn.timeout";
private static String SERVICE_NAME = "email-service";
private int connectTimeout;
private int soTimeout;
@Activate
protected void activate(Map config) {
connectTimeout = PropertiesUtil.toInteger(config.get(PROP_CONNECT_TIMEOUT), DEFAULT_CONNECT_TIMEOUT);
soTimeout = PropertiesUtil.toInteger(config.get(PROP_SO_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
}
@Override
public List sendEmail(final String templatePath,
final Map emailParams,
final String... recipients) {
List failureList = new ArrayList();
if (recipients == null || recipients.length <= 0) {
throw new IllegalArgumentException(MSG_INVALID_RECIPIENTS);
}
List addresses = new ArrayList(recipients.length);
for (String recipient : recipients) {
try {
addresses.add(new InternetAddress(recipient));
} catch (AddressException e) {
log.warn("Invalid email address {} passed to sendEmail(). Skipping.", recipient);
}
}
InternetAddress[] iAddressRecipients = addresses.toArray(new InternetAddress[addresses.size()]);
List failureInternetAddresses = sendEmail(templatePath, emailParams, iAddressRecipients);
for (InternetAddress address : failureInternetAddresses) {
failureList.add(address.toString());
}
return failureList;
}
@Override
public List sendEmail(final String templatePath, final Map emailParams,
final InternetAddress... recipients) {
List failureList = new ArrayList();
if (recipients == null || recipients.length <= 0) {
throw new IllegalArgumentException(MSG_INVALID_RECIPIENTS);
}
final MailTemplate mailTemplate = this.getMailTemplate(templatePath);
final Class mailType = this.getMailType(templatePath);
final MessageGateway messageGateway = messageGatewayService.getGateway(mailType);
for (final InternetAddress address : recipients) {
try {
// Get a new email per recipient to avoid duplicate attachments
final Email email = getEmail(mailTemplate, mailType, emailParams);
email.setTo(Collections.singleton(address));
messageGateway.send(email);
} catch (Exception e) {
failureList.add(address);
log.error("Error sending email to [ " + address + " ]", e);
}
}
return failureList;
}
@Override
public List sendEmail(String templatePath, Map emailParams, Map attachments, InternetAddress... recipients) {
List failureList = new ArrayList();
if (recipients == null || recipients.length <= 0) {
throw new IllegalArgumentException(MSG_INVALID_RECIPIENTS);
}
final MailTemplate mailTemplate = this.getMailTemplate(templatePath);
final Class mailType;
if (attachments != null && attachments.size() > 0) {
mailType = HtmlEmail.class;
} else {
mailType = this.getMailType(templatePath);
}
final MessageGateway messageGateway = messageGatewayService.getGateway(mailType);
for (final InternetAddress address : recipients) {
try {
// Get a new email per recipient to avoid duplicate attachments
Email email = getEmail(mailTemplate, mailType, emailParams);
email.setTo(Collections.singleton(address));
if (attachments != null && attachments.size() > 0) {
for (Map.Entry entry : attachments.entrySet()) {
((HtmlEmail) email).attach(entry.getValue(), entry.getKey(), null);
}
}
messageGateway.send(email);
} catch (Exception e) {
failureList.add(address);
log.error("Error sending email to [ " + address + " ]", e);
}
}
return failureList;
}
@Override
public List sendEmail(String templatePath, Map emailParams, Map attachments, String... recipients) {
List failureList = new ArrayList();
if (recipients == null || recipients.length <= 0) {
throw new IllegalArgumentException(MSG_INVALID_RECIPIENTS);
}
List addresses = new ArrayList(recipients.length);
for (String recipient : recipients) {
try {
addresses.add(new InternetAddress(recipient));
} catch (AddressException e) {
log.warn("Invalid email address {} passed to sendEmail(). Skipping.", recipient);
}
}
InternetAddress[] iAddressRecipients = addresses.toArray(new InternetAddress[addresses.size()]);
List failureInternetAddresses = sendEmail(templatePath, emailParams, attachments, iAddressRecipients);
for (InternetAddress address : failureInternetAddresses) {
failureList.add(address.toString());
}
return failureList;
}
private Email getEmail(final MailTemplate mailTemplate,
final Class mailType,
final Map params) throws EmailException, MessagingException, IOException {
final Email email = mailTemplate.getEmail(StrLookup.mapLookup(params), mailType);
if (params.containsKey(EmailServiceConstants.SENDER_EMAIL_ADDRESS)
&& params.containsKey(EmailServiceConstants.SENDER_NAME)) {
email.setFrom(
params.get(EmailServiceConstants.SENDER_EMAIL_ADDRESS),
params.get(EmailServiceConstants.SENDER_NAME));
} else if (params.containsKey(EmailServiceConstants.SENDER_EMAIL_ADDRESS)) {
email.setFrom(params.get(EmailServiceConstants.SENDER_EMAIL_ADDRESS));
}
if (connectTimeout > 0) {
email.setSocketConnectionTimeout(connectTimeout);
}
if (soTimeout > 0) {
email.setSocketTimeout(soTimeout);
}
// #1008 setting the subject via the setSubject(..) parameter.
if (params.containsKey(EmailServiceConstants.SUBJECT)) {
email.setSubject(params.get(EmailServiceConstants.SUBJECT));
}
if (params.containsKey(EmailServiceConstants.BOUNCE_ADDRESS)) {
email.setBounceAddress(params.get(EmailServiceConstants.BOUNCE_ADDRESS));
}
return email;
}
private Class getMailType(String templatePath) {
return templatePath.endsWith(".html") ? HtmlEmail.class : SimpleEmail.class;
}
private MailTemplate getMailTemplate(String templatePath) throws IllegalArgumentException {
MailTemplate mailTemplate = null;
Map authInfo = Collections.singletonMap(ResourceResolverFactory.SUBSERVICE, (Object) SERVICE_NAME);
try (ResourceResolver resourceResolver = resourceResolverFactory.getServiceResourceResolver(authInfo) ){
mailTemplate = MailTemplate.create(templatePath, resourceResolver.adaptTo(Session.class));
if (mailTemplate == null) {
throw new IllegalArgumentException("Mail template path [ "
+ templatePath + " ] could not resolve to a valid template");
}
} catch (LoginException e) {
log.error("Unable to obtain an administrative resource resolver to get the Mail Template at [ "
+ templatePath + " ]", e);
}
return mailTemplate;
}
}
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