private static void CheckInvalidNewLine(string value)
{
if (value != null && HttpRuleParser.ContainsInvalidNewLine(value))
{
throw new FormatException(SR.net_http_headers_no_newlines);
}
}
private static bool ContainsInvalidNewLine(string value, string name)
{
if (HttpRuleParser.ContainsInvalidNewLine(value))
{
return(true);
}
return(false);
}
private static void CheckInvalidNewLine(string value)
{
if (value == null)
{
return;
}
if (HttpRuleParser.ContainsInvalidNewLine(value))
{
throw new FormatException("New-line characters in header values must be followed by a white-space character.");
}
}
private static bool ContainsInvalidNewLine(string value, string name)
{
if (!HttpRuleParser.ContainsInvalidNewLine(value))
{
return(false);
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Error((object)null, (object)SR.Format(SR.net_http_log_headers_no_newlines, (object)name, (object)value), nameof(ContainsInvalidNewLine));
}
return(true);
}
/// <summary>
/// Allows for arbitrary header values without validation (aside from newline, which is always invalid in a header value).
/// </summary>
private static int ParseWithoutValidation(string value, int startIndex, out object?parsedValue)
{
if (HttpRuleParser.ContainsInvalidNewLine(value, startIndex))
{
parsedValue = null;
return(0);
}
string result = value.Substring(startIndex);
parsedValue = result;
return(result.Length);
}
private static int ParseMailAddress(string value, int startIndex, out object parsedValue)
{
parsedValue = null;
if (HttpRuleParser.ContainsInvalidNewLine(value, startIndex))
{
return(0);
}
string result = value.Substring(startIndex);
if (!HeaderUtilities.IsValidEmailAddress(result))
{
return(0);
}
parsedValue = result;
return(result.Length);
}