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feat(email): switch to lib de.swingbe.email

This commit is contained in:
dancingCycle 2022-03-30 11:19:27 +02:00
parent 0a1acbfee3
commit a60f869d96
4 changed files with 1 additions and 168 deletions
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19
email/src/main/java/de/swingbe/email/Email.java
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@ -1,19 +0,0 @@
package de.swingbe.email;
/**
* Send an email.
*/
public interface Email {
/**
* Send an email.
*
* @param sender sender of the email
* @param receiver recipient of the email
* @param subject subject of the email
* @param content content of the email
* @param host host used to send email
* @param user user from which the email is sent
* @param key key of the user
*/
void send(String sender, String receiver, String subject, String content, String user, String key, String host, String contentType);
}

16
email/src/main/java/de/swingbe/email/EmailFactory.java
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@ -1,16 +0,0 @@
package de.swingbe.email;
/**
* Factory for creating instance of {@link Email}
*/
public class EmailFactory {
/**
* Create an instance of {@link Email}
*
* @return the created instance
*/
public static Email createEmail() {
return new EmailImpl();
}
}

117
email/src/main/java/de/swingbe/email/EmailImpl.java
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@ -1,117 +0,0 @@
package de.swingbe.email;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.net.ssl.SSLContext;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.Properties;
public class EmailImpl implements Email {
private final static Logger LOG = LoggerFactory.getLogger(EmailImpl.class);
@Override
public void send(String sender, String receiver, String subject, String content, final String user, final String key, String host, String contentType) {
//TODO Java version 11 and later are working only with TLSv1.2 with this implementation
SSLContext context = null;
try {
context = SSLContext.getInstance("TLS");
} catch (NoSuchAlgorithmException e) {
LOG.error("ERROR getting Instance TLS");
e.printStackTrace();
}
try {
context.init(null, null, null);
} catch (KeyManagementException e) {
LOG.error("ERROR initialising context");
e.printStackTrace();
}
String[] supportedProtocols = context.getDefaultSSLParameters().getProtocols();
LOG.debug("supportedProtocols: " + Arrays.toString(supportedProtocols));
String sslProtocols = supportedProtocols[supportedProtocols.length - 1];
LOG.debug("sslProtocols: " + sslProtocols);
/**
* configure the library with our email service provider's credentials
* then, create a Session that is used in constructing a message for sending
* the configuration is via a Java Properties object
*/
Properties prop = new Properties();
prop.put("mail.smtp.starttls.enable", "true");
prop.put("mail.smtp.host", host);
prop.put("mail.smtp.user", user);
prop.put("mail.smtp.password", key);
prop.put("mail.smtp.auth", "true");
prop.put("mail.smtp.port", "587");
prop.put("mail.smtp.ssl.trust", host);
prop.put("mail.smtp.ssl.protocols", sslProtocols);
//create a session with username and key
Session session = Session.getInstance(prop, new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(user, key);
}
});
//create a MimeMessage for sending
Message message = new MimeMessage(session);
try {
message.setFrom(new InternetAddress(sender));
} catch (MessagingException e) {
LOG.error("ERROR setting From");
e.printStackTrace();
}
try {
message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(receiver));
} catch (MessagingException e) {
LOG.error("ERROR setting Recipient");
e.printStackTrace();
}
try {
message.setSubject(subject);
} catch (MessagingException e) {
LOG.error("ERROR setting Subject");
e.printStackTrace();
}
MimeBodyPart mimeBodyPart = new MimeBodyPart();
try {
mimeBodyPart.setContent(content, contentType);
} catch (MessagingException e) {
LOG.error("ERROR setting Content");
e.printStackTrace();
}
Multipart multipart = new MimeMultipart();
try {
multipart.addBodyPart(mimeBodyPart);
} catch (MessagingException e) {
LOG.error("ERROR adding Body");
e.printStackTrace();
}
try {
message.setContent(multipart);
} catch (MessagingException e) {
LOG.error("ERROR setting Content");
e.printStackTrace();
}
try {
Transport.send(message);
} catch (MessagingException e) {
LOG.error("ERROR sending message");
e.printStackTrace();
}
}
}

17
email/src/main/java/de/swingbe/email/Main.java
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@ -4,21 +4,6 @@ import org.apache.commons.codec.binary.Base64;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.net.ssl.SSLContext;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.Properties;
public class Main {
private final static Logger LOG = LoggerFactory.getLogger(Main.class);
@ -38,7 +23,7 @@ public class Main {
*/
private final static String mailSender = "no_reply_tm@vbn.de";
private final static String mailReceiver = "sbegerad@posteo.de";
private final static String mailReceiver = "begerad@vbn.de";
/**
* The mail user password from which the emails are sent.