/// <summary> Read the Shibboleth system configuration file from within the config subfolder on the web app </summary>
/// <param name="ConfigFile"> Complete path and name of the configuration file to read </param>
/// <returns> Built configuration object for Shibboleth authentication </returns>
public static Shibboleth_Configuration Read_Config(string ConfigFile)
{
Shibboleth_Configuration returnValue = new Shibboleth_Configuration();
// Streams used for reading
Stream readerStream = null;
XmlTextReader readerXml = null;
try
{
// Open a link to the file
readerStream = new FileStream(ConfigFile, FileMode.Open, FileAccess.Read);
// Open a XML reader connected to the file
readerXml = new XmlTextReader(readerStream);
while (readerXml.Read())
{
if (readerXml.NodeType == XmlNodeType.Element)
{
switch (readerXml.Name.ToLower())
{
case "shibboleth":
read_shibb_details(readerXml, returnValue);
break;
}
}
}
}
catch (Exception ee)
{
returnValue.Error = ee.Message;
}
finally
{
if (readerXml != null)
{
readerXml.Close();
}
if (readerStream != null)
{
readerStream.Close();
}
}
return returnValue;
}
private static void read_shibb_details(XmlReader ReaderXml, Shibboleth_Configuration Config)
{
// Read the attributes
if (ReaderXml.MoveToAttribute("UserIdentityAttribute"))
Config.UserIdentityAttribute = ReaderXml.Value.Trim();
if (ReaderXml.MoveToAttribute("URL"))
Config.ShibbolethURL = ReaderXml.Value.Trim();
if (ReaderXml.MoveToAttribute("Label"))
Config.Label = ReaderXml.Value.Trim();
if (ReaderXml.MoveToAttribute("Debug"))
{
if (String.Compare(ReaderXml.Value.Trim(), "true", StringComparison.OrdinalIgnoreCase) == 0)
Config.Debug = true;
}
if (ReaderXml.MoveToAttribute("Enabled"))
{
if (String.Compare(ReaderXml.Value.Trim(), "false", StringComparison.OrdinalIgnoreCase) == 0)
Config.Enabled = false;
}
// Just step through the subtree of this
ReaderXml.MoveToElement();
XmlReader subTreeReader = ReaderXml.ReadSubtree();
while (subTreeReader.Read())
{
if (subTreeReader.NodeType == XmlNodeType.Element)
{
switch (subTreeReader.Name.ToLower())
{
case "mapping":
string serverVariable = null;
string userAttribute = null;
if (subTreeReader.MoveToAttribute("ServerVariable"))
serverVariable = subTreeReader.Value.Trim();
if (subTreeReader.MoveToAttribute("UserAttribute"))
userAttribute = subTreeReader.Value.Trim();
if ((!String.IsNullOrEmpty(serverVariable)) && (!String.IsNullOrEmpty(userAttribute)))
{
User_Object_Attribute_Mapping_Enum userAttrEnum = User_Object_Attribute_Mapping_Enum_Converter.ToEnum(userAttribute.ToUpper());
if (userAttrEnum != User_Object_Attribute_Mapping_Enum.NONE)
{
Config.Add_Attribute_Mapping(serverVariable, userAttrEnum);
}
}
break;
case "constant":
string userAttribute2 = null;
string constantValue = null;
if (subTreeReader.MoveToAttribute("UserAttribute"))
userAttribute2 = subTreeReader.Value.Trim();
if (!subTreeReader.IsEmptyElement)
{
subTreeReader.Read();
constantValue = subTreeReader.Value.Trim();
}
if ((!String.IsNullOrEmpty(userAttribute2)) && (!String.IsNullOrEmpty(constantValue)))
{
User_Object_Attribute_Mapping_Enum userAttrEnum = User_Object_Attribute_Mapping_Enum_Converter.ToEnum(userAttribute2.ToUpper());
if (userAttrEnum != User_Object_Attribute_Mapping_Enum.NONE)
{
Config.Add_Constant(userAttrEnum, constantValue);
}
}
break;
case "cansubmit":
string serverVariable2 = null;
string requiredValue = null;
if (subTreeReader.MoveToAttribute("ServerVariable"))
serverVariable2 = subTreeReader.Value.Trim();
if (subTreeReader.MoveToAttribute("Value"))
requiredValue = subTreeReader.Value.Trim();
if ((!String.IsNullOrEmpty(serverVariable2)) && (!String.IsNullOrEmpty(requiredValue)))
{
Config.Add_CanSubmit_Indicator(serverVariable2, requiredValue);
}
break;
}
}
}
}
public Authentication_Configuration()
{
Shibboleth = new Shibboleth_Configuration();
}