/// <summary>Loads the trusted issuers from configuration.</summary>
/// <param name="customConfiguration">The XML that represents the map of trusted issuers that is specified in the configuration file.</param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="customConfiguration" /> is <see langword="null" />.</exception>
/// <exception cref="T:System.InvalidOperationException">The configuration contains one or more elements that are not recognized.</exception>
public void LoadCustomConfiguration(XmlNodeList customConfiguration)
{
if (customConfiguration == null)
{
throw new ArgumentNullException(nameof(customConfiguration));
}
List <XmlElement> xmlElements = Exml.GetXmlElements(customConfiguration);
if (xmlElements.Count != 1)
{
throw new InvalidOperationException("Issuer registry config invalid");
}
XmlElement xmlElement1 = xmlElements[0];
if (!StringComparer.Ordinal.Equals(xmlElement1.LocalName, "trustedIssuers"))
{
throw new InvalidOperationException("trustedIssuers");
}
foreach (XmlNode childNode in xmlElement1.ChildNodes)
{
XmlElement xmlElement2 = childNode as XmlElement;
if (xmlElement2 != null)
{
if (StringComparer.Ordinal.Equals(xmlElement2.LocalName, "add"))
{
XmlNode namedItem1 = xmlElement2.Attributes.GetNamedItem("thumbprint");
XmlNode namedItem2 = xmlElement2.Attributes.GetNamedItem("name");
if (xmlElement2.Attributes.Count > 2 || namedItem1 == null)
{
throw new Exception("add thumbprint/name does not match");
}
this._configuredTrustedIssuers.Add(namedItem1.Value.Replace(" ", ""), namedItem2 == null || string.IsNullOrEmpty(namedItem2.Value) ? string.Empty : string.Intern(namedItem2.Value));
}
else if (StringComparer.Ordinal.Equals(xmlElement2.LocalName, "remove"))
{
if (xmlElement2.Attributes.Count != 1 || !StringComparer.Ordinal.Equals(xmlElement2.Attributes[0].LocalName, "thumbprint"))
{
throw new Exception("remove thumbprint deosn't work");
}
this._configuredTrustedIssuers.Remove(xmlElement2.Attributes.GetNamedItem("thumbprint").Value.Replace(" ", ""));
}
else if (StringComparer.Ordinal.Equals(xmlElement2.LocalName, "clear"))
{
this._configuredTrustedIssuers.Clear();
}
else
{
throw new Exception("unknown element type");
}
}
}
}
