preparing message store

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>org.example</groupId>
     <artifactId>Widerhall</artifactId>
-    <version>0.1.3</version>
+    <version>0.1.4</version>
     <build>
         <plugins>
             <plugin>

src/main/java/de/srsoftware/widerhall/Application.java

@@ -1,5 +1,6 @@
 package de.srsoftware.widerhall;
 
+import de.srsoftware.widerhall.data.MailingList;
 import de.srsoftware.widerhall.web.Front;
 import de.srsoftware.widerhall.web.Rest;
 import de.srsoftware.widerhall.web.Web;
@@ -20,8 +21,13 @@ public class Application {
         while (!config.configFile().equals(config.file())) config.load(config.configFile());
         if (!config.configFile().exists()) config.save();
 
-        //startMailSystem(json);
+
         startWebserver();
+        startMailsystem();
+    }
+
+    private static void startMailsystem() {
+        MailingList.startEnabled();
     }
 
     private static void startWebserver() throws Exception {

src/main/java/de/srsoftware/widerhall/Constants.java

@@ -23,6 +23,8 @@ public class Constants {
     public static final String PREFIX = "prefix";
     public static final String PROTOCOL = "mail.store.protocol";
     public static final String STATE = "state";
+    public static final String SUBJECT = "subject";
+    public static final String TEXT = "text";
     public static final String TOKEN = "token";
     public static final String USER = "user";
     public static final String VARCHAR = "VARCHAR(255)";

src/main/java/de/srsoftware/widerhall/Util.java

@@ -4,9 +4,14 @@ import de.srsoftware.tools.translations.Translation;
 import de.srsoftware.widerhall.data.MailingList;
 import de.srsoftware.widerhall.data.User;
 
+import javax.mail.Message;
+import javax.mail.MessagingException;
+import javax.mail.Multipart;
+import javax.mail.Part;
 import javax.mail.internet.AddressException;
 import javax.mail.internet.InternetAddress;
 import javax.servlet.http.HttpServletRequest;
+import java.io.IOException;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.security.MessageDigest;
@@ -118,4 +123,39 @@ public class Util {
     public static boolean getCheckbox(HttpServletRequest req, String key) {
         return "on".equals(req.getParameter(key));
     }
+
+    /**
+     * Return the primary text content of the message.
+     */
+    public static String getText(Part p) throws MessagingException, IOException {
+        // https://javaee.github.io/javamail/FAQ
+        if (p.isMimeType("text/*")) return (String)p.getContent();
+
+        if (p.isMimeType("multipart/alternative")) {
+            // prefer html text over plain text
+            Multipart mp = (Multipart)p.getContent();
+            String text = null;
+            for (int i = 0; i < mp.getCount(); i++) {
+                Part bp = mp.getBodyPart(i);
+                if (bp.isMimeType("text/plain")) {
+                    if (text == null) text = getText(bp);
+                    continue;
+                } else if (bp.isMimeType("text/html")) {
+                    String s = getText(bp);
+                    if (s != null) return s;
+                } else {
+                    return getText(bp);
+                }
+            }
+            return text;
+        } else if (p.isMimeType("multipart/*")) {
+            Multipart mp = (Multipart)p.getContent();
+            for (int i = 0; i < mp.getCount(); i++) {
+                String s = getText(mp.getBodyPart(i));
+                if (s != null) return s;
+            }
+        }
+
+        return null;
+    }
 }

src/main/java/de/srsoftware/widerhall/data/MailingList.java

@@ -1,9 +1,11 @@
 package de.srsoftware.widerhall.data;
 
 import de.srsoftware.widerhall.Configuration;
+import de.srsoftware.widerhall.Util;
 import de.srsoftware.widerhall.mail.ImapClient;
 import de.srsoftware.widerhall.mail.MessageHandler;
 import de.srsoftware.widerhall.mail.SmtpClient;
+import org.json.simple.JSONObject;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -13,7 +15,7 @@ import javax.mail.Message;
 import javax.mail.MessagingException;
 import javax.mail.internet.AddressException;
 import javax.mail.internet.InternetAddress;
-import java.io.UnsupportedEncodingException;
+import java.io.*;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.*;
@@ -199,6 +201,16 @@ public class MailingList implements MessageHandler {
         return ml;
     }
 
+    private boolean hashMember(String senderEmail) {
+        if (senderEmail == null) return false;
+        try {
+            return members().stream().map(ListMember::user).map(User::email).anyMatch(senderEmail::equals);
+        } catch (SQLException e) {
+            LOG.warn("hasMember() failded for {}",email(),e);
+        }
+        return false;
+    }
+
     public boolean hasState(int test){
         return (state & test) > 0;
     }
@@ -331,15 +343,7 @@ public class MailingList implements MessageHandler {
 
 
 
-    private boolean hashMember(String senderEmail) {
-        if (senderEmail == null) return false;
-        try {
-            return members().stream().map(ListMember::user).map(User::email).anyMatch(senderEmail::equals);
-        } catch (SQLException e) {
-            LOG.warn("hasMember() failded for {}",email(),e);
-        }
-        return false;
-    }
+
 
     public MailingList open(boolean open) throws SQLException {
         return setFlag(STATE_OPEN,open);
@@ -554,8 +558,41 @@ public class MailingList implements MessageHandler {
         return "["+name+"]";
     }
 
-    private void storeMessage(Message message){
-        // TODO: implement
+    public static void startEnabled() {
+        try {
+            var rs = Database.open().select(TABLE_NAME).compile().exec();
+            while (rs.next()) {
+                var list = MailingList.from(rs);
+                if (list.hasState(STATE_ENABLED)) list.enable(true);
+            }
+        } catch (SQLException e) {
+            LOG.debug("Failed to load MailingLists.");
+        }
+    }
+
+    private void storeMessage(Message message) {
+        try {
+            var id = message.getHeader("Message-ID")[0].replace("<","").replace(">","");
+            var addr = ((InternetAddress)message.getFrom()[0]);
+            var fromEmail = addr.getAddress();
+            var fromName = addr.getPersonal();
+            if (fromName == null || fromName.isBlank()) fromName = fromEmail.split("@")[0]+"@xxxxxx";
+            var subject = message.getSubject();
+            var text = Util.getText(message);
+            JSONObject json = new JSONObject();
+            json.put("id",id);
+            json.put("from",Map.of(EMAIL,fromEmail,NAME,fromName));
+            json.put(SUBJECT,subject);
+            json.put(TEXT,text);
+
+            File file = new File("/tmp/"+id+".json");
+            try (var fw = new FileWriter(file)) {
+                json.writeJSONString(fw);
+                fw.flush();
+            }
+        } catch (MessagingException | IOException e) {
+            e.printStackTrace();
+        }
     }