From 76df851d4a53f694f0901d8a4af8c113757e70d3 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Thu, 30 May 2019 16:17:02 +0200
Subject: popimapunit.pas: evaluate X-Spam-Level header

---
 popimapunit.pas | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/popimapunit.pas b/popimapunit.pas
index 8d841b1..595eef6 100644
--- a/popimapunit.pas
+++ b/popimapunit.pas
@@ -12,14 +12,18 @@ type
   tMarkenValiditaet = (mvKeine,mvGueltig,mvUngueltig);
   tBefehlAusfuehrenErgebnis = (baeOk,baeError,baeTimeOut);
   tMailProtocol = (mpPop, mpImap);
+  tSpamLevel = (slSpam,slHam,slUnbekannt);
 
   tPopImapClient = class;
 
   tNachricht = class(tMyStringList)
   private
     _marke: tMarkenValiditaet;
+    _spam:  tSpamLevel;
     procedure pruefeMarke;
+    procedure pruefeSpam;
     function rMarke: tMarkenValiditaet;
+    function rSpam: tSpamLevel;
   public
     id,groesze:                longint;
     sdbName,gueltigerAdressat: string;
@@ -29,6 +33,8 @@ type
     function istGleich(n: tNachricht): boolean;
     property marke: tMarkenValiditaet
       read rMarke;
+    property spam: tSpamLevel
+      read rSpam;
   end;
 
   tPopImapThread = class(tThread)
@@ -76,6 +82,7 @@ type
     function von(n: longint): string;
     function zeit(n: longint): string;
     function marke(n: longint): tMarkenValiditaet;
+    function spam(n: longint): tSpamLevel;
     procedure threadAnhalten;
     procedure aufThreadWarten;
     procedure loesche(n: longint);
@@ -295,12 +302,37 @@ begin
   closeFile(f);
 end;
 
+procedure tNachricht.pruefeSpam;
+var
+  s: string;
+begin
+  s:=grepFirst('^[Xx]-Spam-Status:\s');
+  if s='' then begin
+    _spam:=slUnbekannt;
+    exit;
+  end;
+
+  if _spam<>slUnbekannt then
+    exit;
+  erstesArgument(s,':');
+  if erstesArgument(s,',')='No' then
+    _spam:=slHam
+  else
+    _spam:=slSpam;
+end;
+
 function tNachricht.rMarke: tMarkenValiditaet;
 begin
   pruefeMarke;
   result:=_marke;
 end;
 
+function tNachricht.rSpam: tSpamLevel;
+begin
+  pruefeSpam;
+  result:=_spam;
+end;
+
 procedure tNachricht.kopiereVon(n: tNachricht);
 begin
   text:=n.text;
@@ -796,6 +828,11 @@ begin
   result:=_nachrichten[n].marke;
 end;
 
+function tPopImapClient.spam(n: longint): tSpamLevel;
+begin
+  result:=_nachrichten[n].spam;
+end;
+
 procedure tPopImapClient.threadAnhalten;
 begin
   _thread.beenden:=true;
-- 
cgit v1.2.3-70-g09d2