706 lines
19 KiB
ObjectPascal
706 lines
19 KiB
ObjectPascal
|
|
{******************************************}
|
|
{ }
|
|
{ FastReport v5.0 }
|
|
{ SMTP connection client unit }
|
|
{ }
|
|
{ Copyright (c) 1998-2021 }
|
|
{ by Fast Reports Inc. }
|
|
{ }
|
|
{******************************************}
|
|
|
|
unit frxSMTP;
|
|
|
|
interface
|
|
|
|
{$I frx.inc}
|
|
|
|
uses
|
|
Windows, SysUtils, Classes, ScktComp, frxNetUtils, frxUtils, frxProgress
|
|
{$IFDEF Delphi6}, Variants {$ENDIF}, frxMD5, frxUnicodeUtils;
|
|
|
|
|
|
type
|
|
TfrxSMTPClientThread = class;
|
|
|
|
TfrxSMTPClient = class(TComponent)
|
|
private
|
|
FActive: Boolean;
|
|
FBreaked: Boolean;
|
|
FErrors: TStrings;
|
|
FHost: String;
|
|
FPort: Integer;
|
|
FThread: TfrxSMTPClientThread;
|
|
FTimeOut: Integer;
|
|
FPassword: String;
|
|
FMailTo: WideString;
|
|
FUser: String;
|
|
FMailFiles: TStringList;
|
|
FMailFrom: WideString;
|
|
FMailSubject: WideString;
|
|
FMailText: WideString;
|
|
FAnswer: AnsiString;
|
|
FAccepted: Boolean;
|
|
FAuth: String;
|
|
FCode: Integer;
|
|
FSending: Boolean;
|
|
FProgress: TfrxProgress;
|
|
FShowProgress: Boolean;
|
|
FLogFile: String;
|
|
FLog: TStringList;
|
|
FAnswerList: TStringList;
|
|
F200Flag: Boolean;
|
|
F210Flag: Boolean;
|
|
F215Flag: Boolean;
|
|
FOrganization: WideString;
|
|
FMailCc: WideString;
|
|
FMailBcc: WideString;
|
|
FRcptList: TStringList;
|
|
FConfirmReading: boolean;
|
|
FStartCommand: String;
|
|
procedure DoConnect(Sender: TObject; Socket: TCustomWinSocket);
|
|
procedure DoDisconnect(Sender: TObject; Socket: TCustomWinSocket);
|
|
procedure DoError(Sender: TObject; Socket: TCustomWinSocket;
|
|
ErrorEvent: TErrorEvent; var ErrorCode: Integer);
|
|
procedure DoRead(Sender: TObject; Socket: TCustomWinSocket);
|
|
procedure SetActive(const Value: Boolean);
|
|
procedure AddLogIn(const s: String);
|
|
procedure AddLogOut(const s: String);
|
|
//function DomainByEmail(const addr: String): String;
|
|
function UnicodeField(const Field_Str: String): AnsiString;
|
|
function UnicodeString(const Str: WideString): AnsiString;
|
|
function GetEmailAddress(const Str: String): String;
|
|
procedure PrepareRcpt;
|
|
public
|
|
constructor Create(AOwner: TComponent); override;
|
|
destructor Destroy; override;
|
|
procedure Connect;
|
|
procedure Disconnect;
|
|
procedure Open;
|
|
procedure Close;
|
|
property Breaked: Boolean read FBreaked;
|
|
property Errors: TStrings read FErrors write Ferrors;
|
|
property LogFile: String read FLogFile write FLogFile;
|
|
published
|
|
property Active: Boolean read FActive write SetActive;
|
|
property Host: String read FHost write FHost;
|
|
property Port: Integer read FPort write FPort;
|
|
property TimeOut: Integer read FTimeOut write FTimeOut;
|
|
property User: String read FUser write FUser;
|
|
property Password: String read FPassword write FPassword;
|
|
property MailFrom: WideString read FMailFrom write FMailFrom;
|
|
property MailTo: WideString read FMailTo write FMailTo;
|
|
property MailCc: WideString read FMailCc write FMailCc;
|
|
property MailBcc: WideString read FMailBcc write FMailBcc;
|
|
property MailSubject: WideString read FMailSubject write FMailSubject;
|
|
property MailText: WideString read FMailText write FMailText;
|
|
property MailFiles: TStringList read FMailFiles write FMailFiles;
|
|
property ShowProgress: Boolean read FShowProgress write FShowProgress;
|
|
property Organization: WideString read FOrganization write FOrganization;
|
|
property ConfirmReading: boolean read FConfirmReading write FConfirmReading;
|
|
property StartCommand: String read FStartCommand write FStartCommand;
|
|
end;
|
|
|
|
TfrxSMTPClientThread = class (TThread)
|
|
protected
|
|
FClient: TfrxSMTPClient;
|
|
procedure DoOpen;
|
|
procedure Execute; override;
|
|
public
|
|
FSocket: TClientSocket;
|
|
constructor Create(Client: TfrxSMTPClient);
|
|
destructor Destroy; override;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses frxRes, frxrcExports{$IFDEF Delphi7}, StrUtils{$ENDIF};
|
|
|
|
const
|
|
MIME_STRING_SIZE = 57;
|
|
boundary = '----------';
|
|
|
|
type
|
|
THackThread = class(TThread);
|
|
|
|
|
|
{ TfrxSMTPClient }
|
|
|
|
constructor TfrxSMTPClient.Create(AOwner: TComponent);
|
|
begin
|
|
inherited;
|
|
FErrors := TStringList.Create;
|
|
FHost := '127.0.0.1';
|
|
FPort := 25;
|
|
FActive := False;
|
|
FTimeOut := 60;
|
|
FBreaked := False;
|
|
FThread := TfrxSMTPClientThread.Create(Self);
|
|
FThread.FSocket.OnConnect := DoConnect;
|
|
FThread.FSocket.OnRead := DoRead;
|
|
FThread.FSocket.OnDisconnect := DoDisconnect;
|
|
FThread.FSocket.OnError := DoError;
|
|
FShowProgress := False;
|
|
FLogFile := '';
|
|
FLog := TStringList.Create;
|
|
FAnswerList := TStringList.Create;
|
|
FMailFiles := TStringList.Create;
|
|
FRcptList := TStringList.Create;
|
|
FStartCommand := 'HELO';
|
|
end;
|
|
|
|
destructor TfrxSMTPClient.Destroy;
|
|
begin
|
|
FRcptList.Free;
|
|
FMailFiles.Free;
|
|
Close;
|
|
while FActive do
|
|
Sleep(1);
|
|
// PMessages;
|
|
FThread.Free;
|
|
FErrors.Free;
|
|
FLog.Free;
|
|
FAnswerList.Free;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TfrxSMTPClient.Connect;
|
|
var
|
|
ticks: Cardinal;
|
|
begin
|
|
FLog.Clear;
|
|
if (FLogFile <> '') and FileExists(LogFile) then
|
|
FLog.LoadFromFile(LogFile);
|
|
FLog.Add(DateTimeToStr(Now));
|
|
FErrors.Clear;
|
|
FActive := True;
|
|
FThread.FSocket.Host := FHost;
|
|
FThread.FSocket.Address := FHost;
|
|
FThread.FSocket.Port := FPort;
|
|
FThread.FSocket.ClientType := ctNonBlocking;
|
|
F200Flag := False;
|
|
F210Flag := False;
|
|
F215Flag := False;
|
|
if FShowProgress then
|
|
begin
|
|
FProgress := TfrxProgress.Create(nil);
|
|
FProgress.Execute(100, frxGet(8924) + ' ' + FMailTo, False, True);
|
|
end;
|
|
FThread.Execute;
|
|
try
|
|
ticks := GetTickCount;
|
|
while FActive and (not FBreaked) do
|
|
begin
|
|
if FShowProgress then
|
|
FProgress.Tick
|
|
else
|
|
PMessages;
|
|
if ((GetTickCount - ticks) > Cardinal(FTimeOut * 1000)) then
|
|
begin
|
|
Errors.Add(frxResources.Get('expMtm') + ' (' + IntToStr(FTimeOut) + ')');
|
|
break;
|
|
end;
|
|
if FSending then
|
|
ticks := GetTickCount;
|
|
Sleep(100);
|
|
end;
|
|
finally
|
|
if FShowProgress then
|
|
FProgress.Free;
|
|
Disconnect;
|
|
end;
|
|
FLog.Add('---' + DateTimeToStr(Now));
|
|
FLog.AddStrings(FErrors);
|
|
if FLogFile <> '' then
|
|
FLog.SaveToFile(FLogFile);
|
|
end;
|
|
|
|
procedure TfrxSMTPClient.Disconnect;
|
|
begin
|
|
FThread.FSocket.Close;
|
|
FThread.Terminate;
|
|
FActive := False;
|
|
end;
|
|
|
|
procedure TfrxSMTPClient.DoConnect(Sender: TObject;
|
|
Socket: TCustomWinSocket);
|
|
var
|
|
s: string;
|
|
i: integer;
|
|
begin
|
|
PrepareRcpt;
|
|
|
|
{ Fix RFC violation found by Sergey Spirin }
|
|
for i := 1 to 20 do
|
|
begin
|
|
if Socket.ReceiveLength <> 0 then break;
|
|
Sleep(1000);
|
|
end;
|
|
|
|
{ RFC 2821 section 4.1.1.1 says that
|
|
client SMTP SHOULD start an SMTP session
|
|
by issuing the EHLO command }
|
|
|
|
s := StartCommand + ' [' + Socket.LocalAddress + ']' + #13#10;
|
|
//s := StartCommand + DomainByEmail(FMailFrom) + #13#10;
|
|
Socket.SendText(AnsiString(s));
|
|
|
|
AddLogOut(s);
|
|
FCode := 0;
|
|
FAuth := FUser;
|
|
FAccepted := False;
|
|
FSending := False;
|
|
end;
|
|
|
|
procedure TfrxSMTPClient.DoDisconnect(Sender: TObject;
|
|
Socket: TCustomWinSocket);
|
|
begin
|
|
if Pos(AnsiString('221'), FAnswer) = 0 then
|
|
Errors.Add(String(FAnswer));
|
|
FActive := False;
|
|
FSending := False;
|
|
end;
|
|
|
|
procedure TfrxSMTPClient.DoError(Sender: TObject; Socket: TCustomWinSocket;
|
|
ErrorEvent: TErrorEvent; var ErrorCode: Integer);
|
|
begin
|
|
if FAnswer <> '' then
|
|
Errors.Add(String(FAnswer));
|
|
Errors.Add(GetSocketErrorText(ErrorCode));
|
|
FActive := False;
|
|
ErrorCode := 0;
|
|
FSending := False;
|
|
end;
|
|
|
|
{$IFNDEF Delphi12}
|
|
function TranslateString(s: String): WideString;
|
|
var
|
|
Dest: Pointer;
|
|
L: Integer;
|
|
begin
|
|
L := Length(s);
|
|
Dest := AllocMem((L+1)*SizeOf(WideChar));
|
|
MultiByteToWideChar(GetACP, 0, Pointer(s), L, Pointer(Dest), (L+1)*SizeOf(WideChar) );
|
|
Result := LPCWSTR(Dest);
|
|
FreeMem(Dest);
|
|
end;
|
|
{$ENDIF}
|
|
|
|
|
|
procedure TfrxSMTPClient.DoRead(Sender: TObject; Socket: TCustomWinSocket);
|
|
var
|
|
buf: PAnsiChar;
|
|
i, j, k: Integer;
|
|
Stream: TMemoryStream;
|
|
fbuf: PAnsiChar;
|
|
FStream: TFileStream;
|
|
s, s1, s2: String;
|
|
//{$IFDEF Delphi12}
|
|
sa: AnsiString;
|
|
//{$ELSE}
|
|
//{$ENDIF}
|
|
s1a: AnsiString;
|
|
bound: String;
|
|
|
|
procedure OutStream(const S: String);{$IFDEF Delphi12} overload;{$ENDIF}
|
|
{$IFDEF Delphi12}
|
|
var
|
|
TempStr: AnsiString;
|
|
{$ENDIF}
|
|
begin
|
|
{$IFDEF Delphi12}
|
|
TempStr := AnsiString(S);
|
|
Stream.Write(TempStr[1], Length(TempStr));
|
|
Stream.Write(AnsiString(#13#10), 2);
|
|
{$ELSE}
|
|
Stream.Write(S[1], Length(S));
|
|
Stream.Write(#13#10, 2);
|
|
{$ENDIF}
|
|
{$IFDEF FR_DEBUG}
|
|
FLog.Add(s);
|
|
{$ENDIF}
|
|
end;
|
|
|
|
{$IFDEF Delphi12}
|
|
procedure OutStream(const S: AnsiString); overload;
|
|
begin
|
|
Stream.Write(S[1], Length(S));
|
|
Stream.Write(AnsiString(#13#10), 2);
|
|
{$IFDEF FR_DEBUG}
|
|
FLog.Add(s);
|
|
{$ENDIF}
|
|
end;
|
|
{$ENDIF}
|
|
|
|
begin
|
|
i := Socket.ReceiveLength;
|
|
GetMem(buf, i);
|
|
try
|
|
try
|
|
i := Socket.ReceiveBuf(buf^, i);
|
|
SetLength(FAnswer, i);
|
|
CopyMemory(PAnsiChar(FAnswer), buf, i);
|
|
FAnswerList.Text := String(FAnswer);
|
|
|
|
for k := 0 to FAnswerList.Count - 1 do
|
|
begin
|
|
FAnswer := AnsiString(FAnswerList[k]);
|
|
FCode := StrToInt(Copy(String(FAnswer), 1, 3));
|
|
AddLogIn(String(FAnswer));
|
|
if (FCode = 235) then
|
|
begin
|
|
FCode := 220;
|
|
FAccepted := True;
|
|
end;
|
|
if (FUser <> '') and (not FAccepted) and (FCode = 220) then
|
|
begin
|
|
s := 'AUTH LOGIN'#13#10;
|
|
Socket.SendText(AnsiString(s));
|
|
AddLogOut(s);
|
|
end
|
|
else if FCode = 334 then
|
|
begin
|
|
Socket.SendText(Base64Encode(AnsiString(FAuth)) + #13#10);
|
|
FAuth := FPassword;
|
|
AddLogOut('****');
|
|
end
|
|
else if (FCode = 220) then
|
|
begin
|
|
s := 'MAIL FROM: <' + GetEmailAddress(FMailFrom) + '>'#13#10;
|
|
Socket.SendText(AnsiString(s));
|
|
AddLogOut(s);
|
|
F210Flag := True;
|
|
end
|
|
else if (FCode = 250) and F210Flag then
|
|
begin
|
|
for j := 0 to FRcptList.Count - 1 do
|
|
begin
|
|
s := 'RCPT TO: <' + GetEmailAddress(FRcptList[j]) + '>'#13#10;
|
|
Socket.SendText(AnsiString(s));
|
|
AddLogOut(s);
|
|
end;
|
|
F210Flag := False;
|
|
F215Flag := True;
|
|
end
|
|
else if (FCode = 250) and F215Flag then
|
|
begin
|
|
s := 'DATA'#13#10;
|
|
Socket.SendText(AnsiString(s));
|
|
AddLogOut(s);
|
|
F215Flag := False;
|
|
end
|
|
else if (FCode = 250) and F200Flag then
|
|
begin
|
|
s := 'QUIT'#13#10;
|
|
Socket.SendText(AnsiString(s));
|
|
AddLogOut(s);
|
|
F200Flag := False;
|
|
end
|
|
else if (FCode = 354) then
|
|
begin
|
|
FSending := True;
|
|
Stream := TMemoryStream.Create;
|
|
try
|
|
OutStream('Date: ' + DateTimeToRFCDateTime(Now));
|
|
OutStream('From: ' + UnicodeField(FMailFrom));
|
|
OutStream('Reply-To: ' + UnicodeField(FMailFrom));
|
|
if FOrganization <> '' then
|
|
OutStream('Organization: ' + UnicodeString(FOrganization));
|
|
OutStream('X-Priority: 3 (Normal)');
|
|
if FConfirmReading then
|
|
begin
|
|
OutStream('X-Confirm-Reading-To: ' + UnicodeField(FMailFrom));
|
|
OutStream('Return-Receipt-To: ' + UnicodeField(FMailFrom));
|
|
OutStream('Disposition-Notification-To: ' + UnicodeField(FMailFrom));
|
|
end;
|
|
i := Pos('@', FMailFrom);
|
|
j := PosEx('>', FMailFrom, i);
|
|
if j = 0 then
|
|
j := Length(FMailFrom);
|
|
s := Copy(FMailFrom, i, j - i + 1);
|
|
OutStream('Message-ID: <' + IntToStr(GetTickCount) + '.' + FormatDateTime('YYYYMMDDHHMMSS', Now) + s + '>');
|
|
// {$IFDEF Delphi12}
|
|
sa := 'To: ';
|
|
// {$ELSE}
|
|
// s := 'To: ';
|
|
// {$ENDIF}
|
|
for j := 0 to FRcptList.Count - 1 do
|
|
begin
|
|
// {$IFDEF Delphi12}
|
|
sa := sa + UnicodeField(FRcptList[j]);
|
|
if j <> FRcptList.Count - 1 then
|
|
sa := sa + ',';
|
|
end;
|
|
OutStream(sa);
|
|
// {$ELSE}
|
|
// s := s + UnicodeField(FRcptList[j]);
|
|
// if j <> FRcptList.Count - 1 then
|
|
// s := s + ',';
|
|
// end;
|
|
// OutStream(s);
|
|
// {$ENDIF}
|
|
if FMailCc <> '' then
|
|
OutStream('CC: ' + UnicodeField(FMailCc));
|
|
if FMailBcc <> '' then
|
|
OutStream('BCC: ' + UnicodeField(FMailBcc));
|
|
OutStream('Subject: ' + UnicodeString(FMailSubject));
|
|
bound := boundary + UpperCase(String(Copy(md5String(AnsiString(DateTimeToStr(Now))), 1, 14)));
|
|
OutStream('MIME-Version: 1.0');
|
|
OutStream('Content-Type: multipart/mixed; boundary="' + bound +'"');
|
|
OutStream(#13#10'--' + bound);
|
|
OutStream('Content-Type: text/plain; charset=utf-8');
|
|
OutStream('Content-Transfer-Encoding: 8bit');
|
|
{$IFDEF Delphi12}
|
|
OutStream(#13#10 + UTF8Encode(StringReplace(FMailText, #13#10'.'#13#10, #13#10'..'#13#10, [rfReplaceAll])));
|
|
{$ELSE}
|
|
OutStream(#13#10 + UTF8Encode(TranslateString(StringReplace(FMailText, #13#10'.'#13#10, #13#10'..'#13#10, [rfReplaceAll]))));
|
|
{$ENDIF}
|
|
for i := 0 to FMailFiles.Count - 1 do
|
|
begin
|
|
if FMailFiles.Names[i] <> '' then
|
|
s2 := FMailFiles.Names[i]
|
|
else
|
|
s2 := FMailFiles[i];
|
|
if FileExists(s2) then
|
|
begin
|
|
s := GetFileMIMEType(s2);
|
|
if FMailFiles.Names[i] = '' then
|
|
s1 := ExtractFileName(s2)
|
|
else
|
|
s1 := FMailFiles.Values[FMailFiles.Names[i]];
|
|
OutStream('--' + bound);
|
|
{$IFDEF Delphi12}
|
|
s1a := UnicodeString(s1);
|
|
OutStream('Content-Type: ' + AnsiString(s) + '; name="' + s1a + '"');
|
|
OutStream('Content-Transfer-Encoding: base64');
|
|
OutStream('Content-Disposition: attachment; filename="' + s1a + '"'#13#10);
|
|
{$ELSE}
|
|
s1a := UnicodeString(s1);
|
|
OutStream('Content-Type: ' + s + '; name="' + s1a + '"');
|
|
OutStream('Content-Transfer-Encoding: base64');
|
|
OutStream('Content-Disposition: attachment; filename="' + s1a + '"'#13#10);
|
|
{$ENDIF}
|
|
FStream := TFileStream.Create(s2, fmOpenRead + fmShareDenyWrite);
|
|
GetMem(fbuf, MIME_STRING_SIZE);
|
|
try
|
|
j := MIME_STRING_SIZE;
|
|
while j = MIME_STRING_SIZE do
|
|
begin
|
|
j := FStream.Read(fbuf^, j);
|
|
{$IFDEF Delphi12}
|
|
SetLength(sa, j);
|
|
CopyMemory(PAnsiChar(sa), fbuf, j);
|
|
sa := Base64Encode(sa);
|
|
OutStream(sa);
|
|
{$ELSE}
|
|
SetLength(s, j);
|
|
CopyMemory(PAnsiChar(s), fbuf, j);
|
|
s := Base64Encode(s);
|
|
OutStream(s);
|
|
{$ENDIF}
|
|
end;
|
|
finally
|
|
FreeMem(fbuf);
|
|
FStream.Free;
|
|
end;
|
|
end;
|
|
end;
|
|
OutStream(#13#10 + '--' + bound + '--');
|
|
OutStream('.');
|
|
{$IFNDEF FR_DEBUG}
|
|
AddLogOut('message(skipped)');
|
|
{$ENDIF}
|
|
Socket.SendBuf(Stream.Memory^, Stream.Size);
|
|
F200Flag := True;
|
|
finally
|
|
FSending := False;
|
|
Stream.Free;
|
|
end;
|
|
end;
|
|
end;
|
|
except
|
|
on e: Exception do
|
|
Errors.Add('Data receive error: ' + e.Message)
|
|
end;
|
|
finally
|
|
FreeMem(buf);
|
|
end;
|
|
end;
|
|
|
|
procedure TfrxSMTPClient.SetActive(const Value: Boolean);
|
|
begin
|
|
if Value then Connect
|
|
else Disconnect;
|
|
end;
|
|
|
|
procedure TfrxSMTPClient.Close;
|
|
begin
|
|
FBreaked := True;
|
|
Active := False;
|
|
end;
|
|
|
|
procedure TfrxSMTPClient.Open;
|
|
begin
|
|
Active := True;
|
|
end;
|
|
|
|
{function TfrxSMTPClient.DomainByEmail(const addr: String): String;
|
|
var
|
|
i: Integer;
|
|
begin
|
|
i := Pos('@', addr);
|
|
if i > 0 then
|
|
Result := Copy(addr, i + 1, Length(addr) - i)
|
|
else
|
|
Result := addr;
|
|
end;}
|
|
|
|
procedure TfrxSMTPClient.AddLogIn(const s: String);
|
|
begin
|
|
FLog.Add('<' + s);
|
|
end;
|
|
|
|
procedure TfrxSMTPClient.AddLogOut(const s: String);
|
|
begin
|
|
FLog.Add('>' + s);
|
|
end;
|
|
|
|
function TfrxSMTPClient.UnicodeField(const Field_Str: String): AnsiString;
|
|
var
|
|
i1, i2, i3, k: Integer;
|
|
Str: WideString;
|
|
ws1: WideString;
|
|
ws2: AnsiString;
|
|
begin
|
|
{$IFNDEF Delphi12}
|
|
Str := TranslateString(Field_Str);
|
|
{$ELSE}
|
|
Str:=Field_Str;
|
|
{$ENDIF}
|
|
i1 := Pos('<', Str);
|
|
i2 := Pos('@', Str);
|
|
i3 := Pos('>', Str);
|
|
if (i1 <> 0) and (i1 < i2) and (i2 < i3) then
|
|
begin
|
|
ws1 := Copy(Str, 1, i1 - 1);
|
|
ws2 := AnsiString(Copy(Str, i1, Length(Str) - i1 + 1));
|
|
end
|
|
else if i2 > 0 then
|
|
begin
|
|
k := i2;
|
|
while (k > 0) and (Str[k] <> #32) do
|
|
Dec(k);
|
|
ws1 := Copy(Str, 1, k - 1);
|
|
ws2 := '<' + AnsiString(Copy(Str, k, Length(Str) - k + 1)) + '>';
|
|
end
|
|
else
|
|
begin
|
|
ws1 := Str;
|
|
ws2 := '';
|
|
end;
|
|
if ws1 <> '' then ws1 := '=?UTF-8?B?' + {$IFDEF Delphi12}WideString(Base64Encode(UTF8Encode(ws1))){$ELSE}Base64Encode(UTF8Encode(ws1)){$ENDIF} + '?=';
|
|
Result := {$IFDEF Delphi12}AnsiString(ws1){$ELSE}ws1{$ENDIF} + ws2;
|
|
end;
|
|
|
|
function TfrxSMTPClient.UnicodeString(const Str: WideString): AnsiString;
|
|
begin
|
|
if Str <> '' then
|
|
begin
|
|
{$IFNDEF Delphi12}
|
|
Result := '=?UTF-8?B?' + Base64Encode(UTF8Encode(TranslateString(Str))) + '?=';
|
|
{$ELSE}
|
|
Result := '=?UTF-8?B?' + Base64Encode(UTF8Encode(Str)) + '?=';
|
|
{$ENDIF}
|
|
end
|
|
else
|
|
Result := '';
|
|
end;
|
|
|
|
function TfrxSMTPClient.GetEmailAddress(const Str: String): String;
|
|
var
|
|
i, j, k: Integer;
|
|
begin
|
|
Result := '';
|
|
i := Pos('@', Str);
|
|
if i <> 0 then
|
|
begin
|
|
j := i;
|
|
while (Str[j] <> '<') and (Str[j] <> ' ') and (j > 1) do
|
|
Dec(j);
|
|
if (Str[j] = '<') or (Str[j] = ' ') then
|
|
Inc(j);
|
|
k := i;
|
|
while (Str[k] <> '>') and (Str[k] <> ' ') and (k < Length(Str)) do
|
|
Inc(k);
|
|
if (Str[k] = '>') or (Str[k] = ' ') then
|
|
Dec(k);
|
|
Result := Copy(Str, j, k - j + 1);
|
|
end;
|
|
end;
|
|
|
|
procedure TfrxSMTPClient.PrepareRcpt;
|
|
{$IFNDEF Delphi6_NIFF}
|
|
var
|
|
i, j: Integer;
|
|
s, Rcpt: String;
|
|
{$ENDIF}
|
|
begin
|
|
FRcptList.Clear;
|
|
{$IFDEF Delphi6_NIFF}
|
|
FRcptList.Delimiter := ',';
|
|
FRcptList.DelimitedText := FMailTo;
|
|
if FMailCc <> '' then
|
|
FRcptList.DelimitedText := FRcptList.DelimitedText + ',' + FMailCc;
|
|
if FMailBCc <> '' then
|
|
FRcptList.DelimitedText := FRcptList.DelimitedText + ',' + FMailBCc;
|
|
{$ELSE}
|
|
i := 1;
|
|
j := 1;
|
|
Rcpt := FMailTo;
|
|
if FMailCc <> '' then
|
|
Rcpt := Rcpt + ',' + FMailCc;
|
|
if FMailBCc <> '' then
|
|
Rcpt := Rcpt + ',' + FMailBCc;
|
|
while i <= Length(Rcpt) do
|
|
begin
|
|
if Rcpt[i] = ',' then
|
|
begin
|
|
s := Copy(Rcpt, j, i - j);
|
|
FRcptList.Add(s);
|
|
j := i + 1;
|
|
end;
|
|
Inc(i);
|
|
end;
|
|
s := Copy(Rcpt, j, i - j);
|
|
FRcptList.Add(s);
|
|
{$ENDIF}
|
|
end;
|
|
|
|
{ TfrxSMTPClientThread }
|
|
|
|
constructor TfrxSMTPClientThread.Create(Client: TfrxSMTPClient);
|
|
begin
|
|
inherited Create(True);
|
|
FClient := Client;
|
|
FreeOnTerminate := False;
|
|
FSocket := TClientSocket.Create(nil);
|
|
end;
|
|
|
|
destructor TfrxSMTPClientThread.Destroy;
|
|
begin
|
|
FSocket.Free;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TfrxSMTPClientThread.DoOpen;
|
|
begin
|
|
FSocket.Open;
|
|
end;
|
|
|
|
procedure TfrxSMTPClientThread.Execute;
|
|
begin
|
|
Synchronize(DoOpen);
|
|
end;
|
|
|
|
end.
|