Refactoring

app/src/main/java/eu/faircode/email/Core.java

@@ -1174,9 +1174,9 @@ class Core {
                 // Local address contains control or whitespace in string ``mailing list someone@example.org''
                 message.deliveredto = helper.getDeliveredTo();
                 message.thread = helper.getThreadId(context, account.id, uid);
-                message.dkim = EntityMessage.getAuthentication("dkim", authentication);
+                message.dkim = MessageHelper.getAuthentication("dkim", authentication);
-                message.spf = EntityMessage.getAuthentication("spf", authentication);
+                message.spf = MessageHelper.getAuthentication("spf", authentication);
-                message.dmarc = EntityMessage.getAuthentication("dmarc", authentication);
+                message.dmarc = MessageHelper.getAuthentication("dmarc", authentication);
                 message.from = froms;
                 message.to = tos;
                 message.cc = ccs;

app/src/main/java/eu/faircode/email/EntityMessage.java

@@ -185,31 +185,6 @@ public class EntityMessage implements Serializable {
         }
     }
 
-    static Boolean getAuthentication(String type, String header) {
-        if (header == null)
-            return null;
-
-        // https://tools.ietf.org/html/rfc7601
-        Boolean result = null;
-        String[] part = header.split(";");
-        for (int i = 1; i < part.length; i++) {
-            String[] kv = part[i].split("=");
-            if (kv.length > 1) {
-                String key = kv[0].trim();
-                String[] val = kv[1].split(" ");
-                if (val.length > 0 && type.equals(key)) {
-                    if ("fail".equals(val[0]))
-                        result = false;
-                    else if ("pass".equals(val[0]))
-                        if (result == null)
-                            result = true;
-                }
-            }
-        }
-
-        return result;
-    }
-
     public boolean uiEquals(Object obj) {
         if (obj instanceof EntityMessage) {
             EntityMessage other = (EntityMessage) obj;

app/src/main/java/eu/faircode/email/MessageHelper.java

@@ -460,6 +460,31 @@ public class MessageHelper {
         return (header == null ? null : header.replaceAll("\\r?\\n", ""));
     }
 
+    static Boolean getAuthentication(String type, String header) {
+        if (header == null)
+            return null;
+
+        // https://tools.ietf.org/html/rfc7601
+        Boolean result = null;
+        String[] part = header.split(";");
+        for (int i = 1; i < part.length; i++) {
+            String[] kv = part[i].split("=");
+            if (kv.length > 1) {
+                String key = kv[0].trim();
+                String[] val = kv[1].trim().split(" ");
+                if (val.length > 0 && type.equals(key)) {
+                    if ("fail".equals(val[0]))
+                        result = false;
+                    else if ("pass".equals(val[0]))
+                        if (result == null)
+                            result = true;
+                }
+            }
+        }
+
+        return result;
+    }
+
     Address getSender() throws MessagingException {
         String sender = imessage.getHeader("Sender", null);
         if (sender == null)