private static void ValidateInputRequestTime(
string dateToCompare,
int masterTokenExpiryInSeconds,
int allowedClockSkewInSeconds)
{
if (string.IsNullOrEmpty(dateToCompare))
{
throw new UnauthorizedException(RMResources.MissingDateForAuthorization);
}
if (!DateTime.TryParse(dateToCompare, CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal | DateTimeStyles.AdjustToUniversal | DateTimeStyles.AllowWhiteSpaces, out DateTime utcStartTime))
{
throw new UnauthorizedException(RMResources.InvalidDateHeader);
}
// Check if time range is beyond DateTime.MaxValue
bool outOfRange = utcStartTime >= DateTime.MaxValue.AddSeconds(-masterTokenExpiryInSeconds);
if (outOfRange)
{
string message = string.Format(CultureInfo.InvariantCulture,
RMResources.InvalidTokenTimeRange,
utcStartTime.ToString("r", CultureInfo.InvariantCulture),
DateTime.MaxValue.ToString("r", CultureInfo.InvariantCulture),
DateTime.UtcNow.ToString("r", CultureInfo.InvariantCulture));
DefaultTrace.TraceError(message);
throw new ForbiddenException(message);
}
DateTime utcEndTime = utcStartTime + TimeSpan.FromSeconds(masterTokenExpiryInSeconds);
AuthorizationHelper.CheckTimeRangeIsCurrent(allowedClockSkewInSeconds, utcStartTime, utcEndTime);
}