function RFC1123ToDateTime(Date: string): TDateTime;
var
day, month, year: Integer;
strMonth: string;
Hour, Minute, Second: Integer;
begin
try
day := StrToInt(Copy(Date, 6, 2));
strMonth := Copy(Date, 9, 3);
if strMonth = 'Jan' then month := 1
else if strMonth = 'Feb' then month := 2
else if strMonth = 'Mar' then month := 3
else if strMonth = 'Apr' then month := 4
else if strMonth = 'May' then month := 5
else if strMonth = 'Jun' then month := 6
else if strMonth = 'Jul' then month := 7
else if strMonth = 'Aug' then month := 8
else if strMonth = 'Sep' then month := 9
else if strMonth = 'Oct' then month := 10
else if strMonth = 'Nov' then month := 11
else if strMonth = 'Dec' then month := 12;
year := StrToInt(Copy(Date, 13, 4));
hour := StrToInt(Copy(Date, 18, 2));
minute := StrToInt(Copy(Date, 21, 2));
second := StrToInt(Copy(Date, 24, 2));
Result := 0;
Result := EncodeTime(hour, minute, second, 0);
Result := Result + EncodeDate(year, month, day);
except
Result := now;
end;
end;
function DateTimeToRFC1123(aDate: TDateTime): string;
const
StrWeekDay: string = 'MonTueWedThuFriSatSun';
StrMonth: string = 'JanFebMarAprMayJunJulAugSepOctNovDec';
var
Year, Month, Day: Word;
Hour, Min, Sec, MSec: Word;
DayOfWeek: Word;
begin
DecodeDate(aDate, Year, Month, Day);
DecodeTime(aDate, Hour, Min, Sec, MSec);
DayOfWeek := ((Trunc(aDate) - 2) mod 7);
Result := Copy(StrWeekDay, 1 + DayOfWeek * 3, 3) + ', ' +
Format('%2.2d %s %4.4d %2.2d:%2.2d:%2.2d',
[Day, Copy(StrMonth, 1 + 3 * (Month - 1), 3),
Year, Hour, Min, Sec]);
end;
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