imap

IMAPClient/IMAPClient/Client.cs

@@ -25,6 +25,69 @@ namespace IMAPClient
             StreamReader sr = new StreamReader(ns);
             StreamWriter sw = new StreamWriter(ns);
 
+            Boolean keskustelu = true;
+            String viesti = "";
+            ImapState tila = ImapState.Unaunthenticated;
+            int counter = 1;
+            string user = "mrc";
+            string pass = "secret";
+
+            while (keskustelu)
+            {
+                viesti = sr.ReadLine();
+                Console.WriteLine(viesti);
+                String[] status = viesti.Split(' ');
+                string vastaus = "";
+
+                switch(tila)
+                {
+                    case ImapState.Unaunthenticated:
+                        if(status[0] == "OK")
+                        {
+                            vastaus = "a" + counter.ToString("000") + " ";
+                            vastaus += "login ";
+                            vastaus += user + " " + pass;
+                            sw.WriteLine(vastaus);
+                            counter++;
+                            tila = ImapState.Authenticated;
+                        }
+                        break;
+                    case ImapState.Authenticated:
+                        if(status[1] == "OK")
+                        {
+                            vastaus = "a" + counter.ToString("000") + " ";
+                            vastaus += "list INBOX/\\ \"\"";
+                            sw.WriteLine(vastaus);
+                            counter++;
+                            tila = ImapState.Logout;
+                        }
+                        break;
+                    case ImapState.Logout:
+                        vastaus = "a" + counter.ToString("000") + " ";
+                        vastaus += "logout";
+                        sw.WriteLine(vastaus);
+                        keskustelu = false;
+                        break;
+                    default:
+                        break;
+                }
+
+                sw.Flush();
+            }
+            Console.ReadKey();
+
+            sw.Close();
+            sr.Close();
+            ns.Close();
+            socket.Close();
         }
     }
+
+    enum ImapState : UInt16
+    {
+        Unaunthenticated,
+        Authenticated,
+        Selected,
+        Logout
+    }
 }

IMAPClient/IMAPClient/bin/Debug/netcoreapp3.1/IMAPClient.deps.json

+{
+  "runtimeTarget": {
+    "name": ".NETCoreApp,Version=v3.1",
+    "signature": ""
+  },
+  "compilationOptions": {},
+  "targets": {
+    ".NETCoreApp,Version=v3.1": {
+      "IMAPClient/1.0.0": {
+        "runtime": {
+          "IMAPClient.dll": {}
+        }
+      }
+    }
+  },
+  "libraries": {
+    "IMAPClient/1.0.0": {
+      "type": "project",
+      "serviceable": false,
+      "sha512": ""
+    }
+  }
+}
\ No newline at end of file

IMAPClient/IMAPClient/bin/Debug/netcoreapp3.1/IMAPClient.runtimeconfig.dev.json

+{
+  "runtimeOptions": {
+    "additionalProbingPaths": [
+      "C:\\Users\\Joppe\\.dotnet\\store\\|arch|\\|tfm|",
+      "C:\\Users\\Joppe\\.nuget\\packages"
+    ]
+  }
+}
\ No newline at end of file

IMAPClient/IMAPClient/bin/Debug/netcoreapp3.1/IMAPClient.runtimeconfig.json

+{
+  "runtimeOptions": {
+    "tfm": "netcoreapp3.1",
+    "framework": {
+      "name": "Microsoft.NETCore.App",
+      "version": "3.1.0"
+    }
+  }
+}
\ No newline at end of file

IMAPClient/IMAPClient/obj/Debug/netcoreapp3.1/IMAPClient.csproj.CoreCompileInputs.cache

+ecfb1d2d9a35dd77852bf69575ecb4fc404b2ea7

IMAPClient/IMAPClient/obj/Debug/netcoreapp3.1/IMAPClient.csproj.FileListAbsolute.txt

+E:\Kurssit\ties323\IMAPClient\IMAPClient\bin\Debug\netcoreapp3.1\IMAPClient.exe
+E:\Kurssit\ties323\IMAPClient\IMAPClient\bin\Debug\netcoreapp3.1\IMAPClient.deps.json
+E:\Kurssit\ties323\IMAPClient\IMAPClient\bin\Debug\netcoreapp3.1\IMAPClient.runtimeconfig.json
+E:\Kurssit\ties323\IMAPClient\IMAPClient\bin\Debug\netcoreapp3.1\IMAPClient.runtimeconfig.dev.json
+E:\Kurssit\ties323\IMAPClient\IMAPClient\bin\Debug\netcoreapp3.1\IMAPClient.dll
+E:\Kurssit\ties323\IMAPClient\IMAPClient\bin\Debug\netcoreapp3.1\IMAPClient.pdb
+E:\Kurssit\ties323\IMAPClient\IMAPClient\obj\Debug\netcoreapp3.1\IMAPClient.csprojAssemblyReference.cache
+E:\Kurssit\ties323\IMAPClient\IMAPClient\obj\Debug\netcoreapp3.1\IMAPClient.AssemblyInfoInputs.cache
+E:\Kurssit\ties323\IMAPClient\IMAPClient\obj\Debug\netcoreapp3.1\IMAPClient.AssemblyInfo.cs
+E:\Kurssit\ties323\IMAPClient\IMAPClient\obj\Debug\netcoreapp3.1\IMAPClient.csproj.CoreCompileInputs.cache
+E:\Kurssit\ties323\IMAPClient\IMAPClient\obj\Debug\netcoreapp3.1\IMAPClient.dll
+E:\Kurssit\ties323\IMAPClient\IMAPClient\obj\Debug\netcoreapp3.1\IMAPClient.pdb
+E:\Kurssit\ties323\IMAPClient\IMAPClient\obj\Debug\netcoreapp3.1\IMAPClient.genruntimeconfig.cache

IMAPClient/IMAPClient/obj/Debug/netcoreapp3.1/IMAPClient.genruntimeconfig.cache

+4f48870a7901b090f1a434130fea1c49378a219b

SMTPServer/STMPServer/Server.cs

@@ -117,10 +117,17 @@ namespace SMTPServer
             }
         }
 
+        enum ImapState : UInt16
+        {
+            Unaunthenticated,
+            Authenticated,
+            Selected,
+            Logout
+        }
+
         public static void threadListenImap(object obj)
         {
             Socket scon = obj as Socket;
-            byte[] data = new byte[2048];
             IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);
             EndPoint Remote = (EndPoint)(sender);
             
@@ -132,13 +139,72 @@ namespace SMTPServer
 
                 string ip = ((IPEndPoint)(newSocket.RemoteEndPoint)).Address.ToString();
                 string asiakas_port = ((IPEndPoint)(newSocket.RemoteEndPoint)).Port.ToString();
-                Console.WriteLine("Uusi asiakas: {0} portista: {1}", ip, asiakas_port);
+                Console.WriteLine("Uusi IMAP asiakas: {0} portista: {1}", ip, asiakas_port);
+
+                ImapState state = ImapState.Unaunthenticated;
+                VastaaAsiakas("OK IMAP4rev1 Service Ready", newSocket);
+                bool keskustelu = true;
+                int counter = 1;
+                string asiakas_vastaus = "";
+                string vastaus = "";
+
+                while(keskustelu)
+                {
+                    byte[] buffer = new byte[2048];
+                    newSocket.Receive(buffer);
+                    asiakas_vastaus = TrimVastaus(Encoding.UTF8.GetString(buffer), newSocket);
+                    switch(asiakas_vastaus.Split(' ')[1])
+                    {
+                        case "login":
+                            bool valid = CheckImapLogin(asiakas_vastaus);
+                            if (valid)
+                            {
+                                vastaus = "a" + counter.ToString("000");
+                                vastaus += " OK LOGIN completed";
+                                VastaaAsiakas(vastaus, newSocket);
+                                counter++;
+                            } 
+                            break;
+                        // List is missing logic from different char combinations etc...
+                        case "list":
+                            HandleImapList(asiakas_vastaus, newSocket);
+                            vastaus = "a" + counter.ToString("000");
+                            VastaaAsiakas(vastaus + " OK LIST completed", newSocket);
+                            break;
+                        case "logout":
+                            vastaus = "BYE IMAP4rev1 server terminating connection";
+                            VastaaAsiakas(vastaus, newSocket);
+                            vastaus = "a" + counter.ToString("000");
+                            keskustelu = false;
+                            vastaus += " OK LOGOUT completed";
+                            VastaaAsiakas(vastaus, newSocket);
+                            break;
+                    }
+                        
+                }
             } catch (SocketException)
             {
 
             }
         }
 
+        private static void HandleImapList(string str, Socket socket)
+        {
+            List<string> mail = Mailbox.getMail();
+            string targetBox = str.Split(' ')[2];
+            for (int i = 0; i < mail.Count; i++)
+            {
+                string vastaus = "* LIST (here more info on box) \"/\" " + targetBox + "/Sent";
+                VastaaAsiakas(vastaus, socket);
+            }
+        }
+
+        private static bool CheckImapLogin(string str)
+        {
+            string[] arr = str.Split(' ');
+            return arr[2] == "mrc" && arr[3] == "secret";
+        }
+
         public static void threadListenSmtp(object obj)
         {
             Socket scon = obj as Socket;