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first working version of smtp class

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Stephan Richter
2022-04-13 13:34:28 +02:00
parent 5d8ede756b
commit a8cd4681d5
3 changed files with 45 additions and 25 deletions
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65
src/main/java/de/srsoftware/widerhall/SmtpClient.java
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@@ -6,50 +6,69 @@ import org.json.simple.parser.ParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.json.stream.JsonParser;
import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.nio.file.Files;
import java.util.Date;
import java.util.Map;
import java.util.Properties;
public class SmtpClient {
private static final Logger LOG = LoggerFactory.getLogger(SmtpClient.class);
private static final String HOST = "mail.smtp.host";
private static final String PORT = "mail.smtp.port";
private static final String SOCK = "mail.smtp.socketFactory.port";
private static final String CLASS = "mail.smtp.socketFactory.class";
private static final String SOCKET_FACTORY = javax.net.ssl.SSLSocketFactory.class.getCanonicalName();
private static final String AUTH = "mail.smtp.auth";
private static final String SSL = "mail.smtp.ssl.enable";
private static final String UTF8 = "UTF-8";
private Session session;
public void login(String host, int port, String username, String password){
public SmtpClient(Map<String,Object> config){
String host = (String) config.get("host");
long port = (long) config.get("port");
Properties props = new Properties();
props.put(HOST,host);
props.put(PORT,port);
props.put(SOCK,port);
props.put(AUTH,true);
props.put(CLASS,SOCKET_FACTORY);
props.put(SSL,true);
// props.put("mail.smtp.localhost","mail.keawe.de");
Authenticator auth = new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username,password);
}
};
session = Session.getDefaultInstance(props,auth);
LOG.debug("Created new session: {}", session);
session = Session.getInstance(props);
LOG.debug("Created new {}: {}", getClass().getSimpleName(),session);
}
public static void main(String[] args) throws IOException, ParseException {
public void send(JSONObject config, String senderAdress, String senderName, String receivers, String subject, String content) throws MessagingException, UnsupportedEncodingException {
MimeMessage message = new MimeMessage(session);
message.addHeader("Content-Type","text/plain; charset="+UTF8);
message.addHeader("format","flowed");
message.addHeader("Content-Transfer-Encoding","8bit");
message.setFrom(new InternetAddress(senderAdress,senderName));
message.setReplyTo(InternetAddress.parse(senderAdress,false));
message.setSubject(subject,UTF8);
message.setText(content,UTF8);
message.setSentDate(new Date());
message.setRecipients(Message.RecipientType.TO,InternetAddress.parse(receivers,false));
String username = (String) config.get("user");
String password = (String) config.get("password");
LOG.debug("Versende Mail…");
Transport.send(message,username,password);
LOG.debug("…versendet");
}
public static void main(String[] args) throws IOException, ParseException, MessagingException {
var parser = new JSONParser();
var config = Files.readString(new File("/tmp/config.json").toPath());
LOG.debug("config: {}",config);
var json = parser.parse(config);
LOG.debug("json: {}",json);
JSONObject json = (JSONObject) parser.parse(config);
String testSender = (String) json.get("sender");
String testReceiver = (String) json.get("receiver");
new SmtpClient(json).send(json,testSender,"Stephan Richter",testReceiver,"Test","Dies ist ein Test");
}
}