145 lines
3.1 KiB
ObjectPascal
145 lines
3.1 KiB
ObjectPascal
{$I M_OPS.PAS}
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Unit MIS_Client_HTTP;
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// placeholder for HTTP server if Mystic needs one?
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// based off off initial POP3 server footprint
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Interface
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Uses
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SysUtils,
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m_Strings,
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m_FileIO,
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m_Socket_Class,
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m_DateTime,
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MIS_Server,
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MIS_NodeData,
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MIS_Common;
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Function CreatePOP3 (Owner: TServerManager; ND: TNodeData; CliSock: TSocketClass) : TServerClient;
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Type
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TPOP3Server = Class(TServerClient)
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Server : TServerManager;
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UserName : String[40];
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Password : String[20];
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LoggedIn : Boolean;
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Cmd : String;
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Data : String;
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User : UserRec;
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UserPos : LongInt;
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Constructor Create (Owner: TServerManager; CliSock: TSocketClass);
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Procedure Execute; Override;
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Destructor Destroy; Override;
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Procedure ResetSession;
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Procedure cmdUSER;
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Procedure cmdPASS;
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End;
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Implementation
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Const
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POP3TimeOut = 120;
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FileBufSize = 8 * 1024;
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re_OK = '+OK ';
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re_Error = '-ERR ';
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re_UnknownCommand = re_Error + 'Unknown command';
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re_UnknownUser = re_Error + 'Unknown user';
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re_BadLogin = re_Error + 'Bad credentials';
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re_Greeting = 'Mystic POP3 Server';
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re_Goodbye = re_OK + 'Goodbye';
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re_SendUserPass = re_OK + 'Send user password';
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re_LoggedIn = re_OK + 'Welcome';
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Function CreatePOP3 (Owner: TServerManager; ND: TNodeData; CliSock: TSocketClass) : TServerClient;
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Begin
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Result := TPOP3Server.Create(Owner, CliSock);
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End;
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Constructor TPOP3Server.Create (Owner: TServerManager; CliSock: TSocketClass);
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Begin
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Inherited Create(Owner, CliSock);
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Server := Owner;
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End;
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Procedure TPOP3Server.ResetSession;
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Begin
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LoggedIn := False;
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UserName := '';
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Password := '';
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UserPos := -1;
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End;
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Procedure TPOP3Server.cmdUSER;
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Begin
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ResetSession;
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If SearchForUser(Data, User, UserPos) Then Begin
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Client.WriteLine(re_SendUserPass);
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UserName := Data;
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End Else
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Client.WriteLine(re_UnknownUser);
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End;
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Procedure TPOP3Server.cmdPASS;
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Begin
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If (UserName = '') or (UserPos = -1) Then Begin
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Client.WriteLine(re_UnknownUser);
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Exit;
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End;
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If strUpper(Data) = User.Password Then Begin
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LoggedIn := True;
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Client.WriteLine(re_LoggedIn);
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End Else
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Client.WriteLine(re_BadLogin);
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End;
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Procedure TPOP3Server.Execute;
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Var
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Str : String;
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Begin
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ResetSession;
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Client.WriteLine(re_Greeting);
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Repeat
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If Client.WaitForData(POP3TimeOut * 1000) = 0 Then Break;
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If Terminated Then Exit;
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If Client.ReadLine(Str) = -1 Then Exit;
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server.server.status(str);
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Cmd := strUpper(strWordGet(1, Str, ' '));
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If Pos(' ', Str) > 0 Then
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Data := strStripB(Copy(Str, Pos(' ', Str) + 1, Length(Str)), ' ')
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Else
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Data := '';
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If Cmd = 'PASS' Then cmdPASS Else
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If Cmd = 'QUIT' Then Break Else
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If Cmd = 'USER' Then cmdUSER Else
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Client.WriteLine(re_UnknownCommand);
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Until Terminated;
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If Not Terminated Then Client.WriteLine(re_Goodbye);
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End;
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Destructor TPOP3Server.Destroy;
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Begin
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Inherited Destroy;
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End;
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End.
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