/// <summary>
/// Adds an attribute to the name.
/// </summary>
/// <param name="sb">The <see cref="StringBuilder"/> containing the name.</param>
/// <param name="type">The type of the attribute.</param>
/// <param name="value">The value of the attribute.</param>
/// <exception cref="ArgumentNullException"><paramref name="sb"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="type"/> is not a valid attribute type.</exception>
static void AddAttribute(StringBuilder sb, string type, object value)
{
if (sb == null)
{
throw new ArgumentNullException("sb");
}
if (false == RdnSequence.IsValidAttributeType(type))
{
throw new ArgumentOutOfRangeException("type", type, "The value is not a valid attribute type.");
}
if (sb.Length > 0)
{
// Add delimiter
sb.Append(",");
}
sb.Append(type.ToUpper());
sb.Append('=');
var escapedValue = RdnSequence.EscapeValue(value);
sb.Append(escapedValue);
}
/// <summary>
/// Parses a distinguished name represented as a <see cref="String"/>.
/// </summary>
/// <param name="value">The value to parse.</param>
/// <returns>
/// The resulting <see cref="X501DistinguishedName"/>.
/// </returns>
/// <exception cref="ArgumentNullException"><paramref name="value"/> is <c>null</c> or empty.</exception>
/// <exception cref="FormatException">The value is invalid.</exception>
public static X501DistinguishedName Parse(string value)
{
if (string.IsNullOrEmpty(value))
{
throw new ArgumentNullException("value");
}
var match = RdnSequence.Regex.Match(value);
if (match == null || match == Match.Empty)
{
// No match was found
throw new FormatException("The value is not a valid distinguished name.");
}
var result = new X501DistinguishedName();
var attributes = match.Groups["attribute"].Captures;
var values = match.Groups["value"].Captures;
for (var i = 0; i < attributes.Count; i++)
{
var attributeType = attributes[i].Value.ToUpper();
var attributeValue = values[i].Value;
var unescapedValue = RdnSequence.UnescapeValue(attributeValue);
var unescapedValueString = unescapedValue as string;
if (unescapedValueString == null)
{
// The value is a hexadecimal byte array
result.CustomAttributes.Add(new X501DistinguishedNameAttribute(attributeType, unescapedValue));
continue;
}
switch (attributeType)
{
case "CN":
result.CommonName = unescapedValueString;
break;
case "O":
result.Organization = unescapedValueString;
break;
case "OU":
result.OrganizationalUnit = unescapedValueString;
break;
case "L":
result.Locality = unescapedValueString;
break;
case "C":
result.Country = unescapedValueString;
break;
case "ST":
result.StateOrProvince = unescapedValueString;
break;
case "STREET":
result.StreetAddress = unescapedValueString;
break;
case "DC":
result.DomainComponent = unescapedValueString;
break;
case "UID":
result.UserID = unescapedValueString;
break;
case "E":
result.Email = unescapedValueString;
break;
case "T":
result.Title = unescapedValueString;
break;
case "G":
result.GivenName = unescapedValueString;
break;
case "SN":
result.Surname = unescapedValueString;
break;
case "I":
result.Initial = unescapedValueString;
break;
case "DNQUALIFIER":
result.DistinguishedNameQualifier = unescapedValueString;
break;
default:
result.CustomAttributes.Add(new X501DistinguishedNameAttribute(attributeType, unescapedValueString));
break;
}
}
return(result);
}