Added an Email Service to send postcards

- Credentials not working properly
- Needs testing

pom.xml

@@ -33,6 +33,10 @@
 			<artifactId>spring-boot-starter-tomcat</artifactId>
 			<scope>provided</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-mail</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>

src/main/java/com/icedberries/UBFunkeysServer/Galaxy/GalaxyServer.java

@@ -1,7 +1,9 @@
 package com.icedberries.UBFunkeysServer.Galaxy;
 
+import com.icedberries.UBFunkeysServer.service.EmailService;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.tomcat.util.http.fileupload.IOUtils;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.Resource;
 import org.springframework.http.HttpStatus;
@@ -12,6 +14,7 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.servlet.HandlerMapping;
 import org.w3c.dom.Document;
+import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 
 import javax.servlet.http.HttpServletRequest;
@@ -22,10 +25,14 @@ import javax.xml.parsers.ParserConfigurationException;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.StringReader;
 
 @RestController
 public class GalaxyServer {
 
+    @Autowired
+    private EmailService emailService;
+
     /**
      * This is only used as part of the updater to pass files to the client as requested via URL path
      */
@@ -42,9 +49,7 @@ public class GalaxyServer {
         int errorCode = 0;
         try {
             // Try to open the file as a resource
-            InputStream file = resource.getInputStream();
-
-            byte[] fileContent = org.apache.commons.io.IOUtils.toByteArray(file);
+            byte[] fileContent = org.apache.commons.io.IOUtils.toByteArray(resource.getInputStream());
 
             // Check if the file exists
             if (fileContent.length > 0) {
@@ -96,7 +101,7 @@ public class GalaxyServer {
             // Parse the xml body of the request
             DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
             DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
-            Document doc = dBuilder.parse(xmlBody);
+            Document doc = dBuilder.parse(new InputSource(new StringReader(xmlBody)));
             doc.getDocumentElement().normalize();
 
             // Get the root element
@@ -139,7 +144,22 @@ public class GalaxyServer {
 
     private ResponseEntity<String> sendPostcard(Document request) {
         System.out.println("[Galaxy][POST] postcard request received");
-        //TODO: IMPLEMENT METHOD
-        return null;
+        //TODO: PARSE OUT DATA FROM REQUEST
+
+        // Parse data from the request
+        String to = "cockatoo242@gmail.com";
+        String subject = "Greetings From Funkiki Island";
+        String body = "Wow, check out this awesome postcard!";
+        String fileName = "card_0.jpg";
+
+        // Try to send the postcard to the email
+        String response = "";
+        if (emailService.sendMailWithAttachment(to, subject, body, fileName)) {
+            // Send successful
+            response = "<postcard result=\"0\" reason=\"Postcard Sent!\" cost=\"5\" />";
+        } else {
+            response = "<postcard result=\"1\" reason=\"Unable to send postcard at this time!\" cost=\"0\" />";
+        }
+        return new ResponseEntity<>(response, HttpStatus.OK);
     }
 }

src/main/java/com/icedberries/UBFunkeysServer/service/EmailService.java

@@ -0,0 +1,7 @@
+package com.icedberries.UBFunkeysServer.service;
+
+public interface EmailService {
+
+    Boolean sendMailWithAttachment(String to, String subject, String body, String fileToAttach);
+
+}

src/main/java/com/icedberries/UBFunkeysServer/service/impl/EmailServiceImpl.java

@@ -0,0 +1,57 @@
+package com.icedberries.UBFunkeysServer.service.impl;
+
+import com.icedberries.UBFunkeysServer.service.EmailService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.io.ByteArrayResource;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.core.io.Resource;
+import org.springframework.mail.MailException;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.mail.javamail.MimeMessageHelper;
+import org.springframework.mail.javamail.MimeMessagePreparator;
+import org.springframework.stereotype.Service;
+
+import javax.mail.Message;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
+
+@Service("emailService")
+public class EmailServiceImpl implements EmailService {
+
+    @Autowired
+    private JavaMailSender mailsender;
+
+    @Value("${spring.mail.username}")
+    private String from;
+
+    @Override
+    public Boolean sendMailWithAttachment(String to, String subject, String body, String fileToAttach) {
+        MimeMessagePreparator preparator = new MimeMessagePreparator() {
+            @Override
+            public void prepare(MimeMessage mimeMessage) throws Exception {
+                // Set the main parts of the email
+                mimeMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
+                mimeMessage.setFrom(new InternetAddress(from));
+                mimeMessage.setSubject(subject);
+                mimeMessage.setText(body);
+
+                // Attach the postcard
+                Resource resource = new ClassPathResource("static/Postcards/" + fileToAttach);
+                byte[] fileContent = org.apache.commons.io.IOUtils.toByteArray(resource.getInputStream());
+                MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true);
+                helper.addAttachment(fileToAttach, new ByteArrayResource(fileContent));
+            }
+        };
+
+        try {
+            mailsender.send(preparator);
+            System.out.println("[GALAXY][POST] Email send successfully to: " + to);
+            return true;
+        } catch(MailException e) {
+            System.out.println("[GALAXY][POST][ERROR] Unable to send email to: " + to);
+            e.printStackTrace();
+            return false;
+        }
+    }
+}