private static void WriteSid(XmlTextWriter writer, string sid, uint attributes, AirSyncUserSecurityContext.SidType sidType)
{
writer.WriteStartElement("s");
if (attributes != 0U)
{
writer.WriteAttributeString("a", attributes.ToString(CultureInfo.InvariantCulture));
}
if (sidType != AirSyncUserSecurityContext.SidType.User)
{
string localName = "t";
int num = (int)sidType;
writer.WriteAttributeString(localName, num.ToString(CultureInfo.InvariantCulture));
}
writer.WriteString(sid);
writer.WriteEndElement();
}
internal static AirSyncUserSecurityContext Deserialize(XmlTextReader reader)
{
AirSyncUserSecurityContext airSyncUserSecurityContext = new AirSyncUserSecurityContext();
airSyncUserSecurityContext.UserSid = null;
airSyncUserSecurityContext.GroupSids = null;
airSyncUserSecurityContext.RestrictedGroupSids = null;
try
{
List <SidStringAndAttributes> list = new List <SidStringAndAttributes>();
List <SidStringAndAttributes> list2 = new List <SidStringAndAttributes>();
if (!reader.Read() || XmlNodeType.Element != reader.NodeType || StringComparer.OrdinalIgnoreCase.Compare(reader.Name, "r") != 0)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:RootNodeMissing");
}
if (reader.MoveToFirstAttribute())
{
do
{
if (StringComparer.OrdinalIgnoreCase.Compare(reader.Name, "at") == 0)
{
if (airSyncUserSecurityContext.authenticationType != null)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:AuthTypeTwice");
}
airSyncUserSecurityContext.authenticationType = reader.Value;
}
else if (StringComparer.OrdinalIgnoreCase.Compare(reader.Name, "ln") == 0)
{
if (airSyncUserSecurityContext.logonName != null)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:UserNameTwice");
}
airSyncUserSecurityContext.logonName = reader.Value;
}
else
{
string protocolErrorString = "ProxyRequestError:UnknownElement(" + reader.Name + ")";
AirSyncUserSecurityContext.ThrowParserException(protocolErrorString);
}
}while (reader.MoveToNextAttribute());
}
if (airSyncUserSecurityContext.authenticationType == null || airSyncUserSecurityContext.logonName == null)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:AuthTypeLogonNameMissing");
}
bool flag = false;
int num = 0;
while (reader.Read())
{
if (XmlNodeType.EndElement == reader.NodeType && StringComparer.OrdinalIgnoreCase.Compare(reader.Name, "r") == 0)
{
flag = true;
break;
}
if (XmlNodeType.Element != reader.NodeType || StringComparer.OrdinalIgnoreCase.Compare(reader.Name, "s") != 0)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:NoSID");
}
AirSyncUserSecurityContext.SidType sidType = AirSyncUserSecurityContext.SidType.User;
uint num2 = 0U;
if (reader.MoveToFirstAttribute())
{
do
{
if (StringComparer.OrdinalIgnoreCase.Compare(reader.Name, "t") == 0)
{
int num3 = int.Parse(reader.Value, CultureInfo.InvariantCulture);
if (num3 == 1)
{
sidType = AirSyncUserSecurityContext.SidType.Group;
}
else if (num3 == 2)
{
sidType = AirSyncUserSecurityContext.SidType.RestrictedGroup;
}
else
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:InvalidSIDType");
}
}
else if (StringComparer.OrdinalIgnoreCase.Compare(reader.Name, "a") == 0)
{
num2 = uint.Parse(reader.Value, CultureInfo.InvariantCulture);
}
else
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:InvalidSIDAttribute");
}
}while (reader.MoveToNextAttribute());
}
if (sidType == AirSyncUserSecurityContext.SidType.User)
{
if (num2 != 0U)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:AttributesOnUserSID");
}
else if (airSyncUserSecurityContext.UserSid != null)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:MultipleUserSIDs");
}
}
if (!reader.Read() || XmlNodeType.Text != reader.NodeType || string.IsNullOrEmpty(reader.Value))
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:BadProxyHeader");
}
string value = reader.Value;
if (sidType == AirSyncUserSecurityContext.SidType.User)
{
airSyncUserSecurityContext.UserSid = value;
}
else if (sidType == AirSyncUserSecurityContext.SidType.Group)
{
SidStringAndAttributes item = new SidStringAndAttributes(value, num2);
list.Add(item);
}
else if (sidType == AirSyncUserSecurityContext.SidType.RestrictedGroup)
{
SidStringAndAttributes item2 = new SidStringAndAttributes(value, num2);
list2.Add(item2);
}
if (!reader.Read() || XmlNodeType.EndElement != reader.NodeType)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:BadProxyHeader2");
}
num++;
if (num > 3000)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:TooManySIDs");
}
}
if (airSyncUserSecurityContext.UserSid == null)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:NoUserSID");
}
if (!flag)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:BadParsing");
}
if (list.Count > 0)
{
airSyncUserSecurityContext.GroupSids = list.ToArray();
}
if (list2.Count > 0)
{
airSyncUserSecurityContext.RestrictedGroupSids = list2.ToArray();
}
}
catch (XmlException)
{
AirSyncUserSecurityContext.ThrowParserException("ProxyRequestError:XMLParsingException");
}
return(airSyncUserSecurityContext);
}
