Start shifting over the mail controller sending

src/main/java/de/fswiai/klausurenmodul/controller/MailController.java

@@ -17,8 +17,8 @@ import java.util.concurrent.atomic.AtomicLong;
 @RestController
 public class MailController {
 	private static final String template = "Hello %s! This is a test mail from the Fachschaft WIAI.";
-	private static final String user = "ex311199c";
-	private static final String pw = "jX4b82jnvWe7EeNR";
+	private static final String user = "";
+	private static final String pw = "";
 	private final AtomicLong counter = new AtomicLong(); //from the tutorial... deprc
 	
 	@GetMapping("/mail")
@@ -87,13 +87,11 @@ public class MailController {
 			
 			return mail;
 		} catch (javax.mail.internet.AddressException jMailException) {
-			
 			System.err.println("Address Exception whilst sending the mail");
 			jMailException.printStackTrace();
 			return new Email(-1, "", "", "");
 			
 		} catch (javax.mail.MessagingException jMailException) {
-			
 			System.err.println("Messaging Exception whilst sending the mail");
 			jMailException.printStackTrace();
 			return new Email(-1, "", "", "");

src/main/java/de/fswiai/klausurenmodul/service/MailService.java

@@ -0,0 +1,111 @@
+package de.fswiai.klausurenmodul.service;
+
+import javax.mail.Authenticator;
+import javax.mail.PasswordAuthentication;
+import javax.mail.Session;
+import java.io.File;
+import java.util.Properties;
+
+public class MailService {
+	private String username = "";
+	private String password = "";
+	private int smtpPort = 0;
+	private String smtpHost = "";
+	private String tlsVersion = "TLSv1.2"; //maybe already use 1.3?
+	private boolean useSTARTTLS = true;
+	
+	public MailService(String username, String password, int smtpPort, String smtpHost, String tlsVersion, boolean useSTARTTLS) {
+		this.username = username;
+		this.password = password;
+		this.smtpPort = smtpPort;
+		this.smtpHost = smtpHost;
+		this.tlsVersion = tlsVersion;
+		this.useSTARTTLS = useSTARTTLS;
+	}
+	
+	//TODO switch boolean to some result class
+	public boolean sendSimpleMail(String subject, String body)
+			  throws javax.mail.internet.AddressException, javax.mail.MessagingException {
+		
+		return true;
+	}
+	
+	//TODO switch boolean to some result class
+	public boolean sendMailWithAttachments(String subject, String body, File[] files)
+			  throws javax.mail.internet.AddressException, javax.mail.MessagingException {
+		
+		return true;
+	}
+	
+	private Session configureSession(){
+		Properties prop = new Properties();
+		prop.put("mail.smtp.auth", true);
+		if(this.useSTARTTLS){
+			prop.put("mail.smtp.starttls.enable", "true");
+			prop.put("mail.smtp.starttls.required", "true");
+		} else {
+			prop.put("mail.smtp.starttls.enable", "false");
+			prop.put("mail.smtp.starttls.required", "false");
+		}
+		
+		prop.put("mail.smtp.host", this.smtpHost);
+		prop.put("mail.smtp.port", this.smtpPort);
+		prop.put("mail.smtp.ssl.protocols", this.tlsVersion);
+		prop.put("mail.smtp.ssl.trust", "exhub.uni-bamberg.de");
+		Session session = Session.getInstance(prop, new Authenticator() {
+			@Override
+			protected PasswordAuthentication getPasswordAuthentication() {
+				return new PasswordAuthentication(MailService.this.username, MailService.this.password);
+			}
+		});
+		return session;
+	}
+	
+	public String getUsername() {
+		return username;
+	}
+	
+	public void setUsername(String username) {
+		this.username = username;
+	}
+	
+	public String getPassword() {
+		return password;
+	}
+	
+	public void setPassword(String password) {
+		this.password = password;
+	}
+	
+	public int getSmtpPort() {
+		return smtpPort;
+	}
+	
+	public void setSmtpPort(int smtpPort) {
+		this.smtpPort = smtpPort;
+	}
+	
+	public String getSmtpHost() {
+		return smtpHost;
+	}
+	
+	public void setSmtpHost(String smtpHost) {
+		this.smtpHost = smtpHost;
+	}
+	
+	public String getTlsVersion() {
+		return tlsVersion;
+	}
+	
+	public void setTlsVersion(String tlsVersion) {
+		this.tlsVersion = tlsVersion;
+	}
+	
+	public boolean isUseSTARTTLS() {
+		return useSTARTTLS;
+	}
+	
+	public void setUseSTARTTLS(boolean useSTARTTLS) {
+		this.useSTARTTLS = useSTARTTLS;
+	}
+}