/// <summary>
/// Validate <c>AuthzDecisionStatement</c>.
/// </summary>
/// <remarks>
/// [SAML2.0 standard] section 2.7.4
/// </remarks>
/// <param name="statement">The statement.</param>
private void ValidateAuthzDecisionStatement(AuthzDecisionStatement statement)
{
// This has type anyURI, and can be empty (special case in the standard), but not null.
if (statement.Resource == null)
{
throw new Saml20FormatException("Resource attribute of AuthzDecisionStatement is REQUIRED");
}
// If it is not empty, it MUST BE a valid URI
if (statement.Resource.Length > 0 && !Uri.IsWellFormedUriString(statement.Resource, UriKind.Absolute))
{
throw new Saml20FormatException("Resource attribute of AuthzDecisionStatement has a value which is not a wellformed absolute uri");
}
// NOTE: Decision property validation is done implicitly be the deserializer since it is represented by an enumeration
if (statement.Action == null || statement.Action.Length == 0)
{
throw new Saml20FormatException("At least one Action subelement must be present for an AuthzDecisionStatement element");
}
foreach (var action in statement.Action)
{
// NOTE: [SAML2.0 standard] claims that the Namespace is [Optional], but according to the schema definition (and Geneva)
// NOTE: it has use="required"
if (!Saml20Utils.ValidateRequiredString(action.Namespace))
{
throw new Saml20FormatException("Namespace attribute of Action element must contain at least one non-whitespace character");
}
if (!Uri.IsWellFormedUriString(action.Namespace, UriKind.Absolute))
{
throw new Saml20FormatException("Namespace attribute of Action element has a value which is not a wellformed absolute uri");
}
}
}
public void ThrowsExceptionWhenMissingResourceEmpty()
{
// Arrange
var statement = new AuthzDecisionStatement();
var validator = new Saml20StatementValidator();
statement.Resource = null;
// Act
validator.ValidateStatement(statement);
}
public void ValidatesResources()
{
// Arrange
var statement = new AuthzDecisionStatement();
var validator = new Saml20StatementValidator();
statement.Resource = string.Empty;
var action = new Schema.Core.Action { Namespace = "http://valid/namespace" };
statement.Action = new[] { action };
validator.ValidateStatement(statement);
statement.Resource = "urn:valid.ok:askjld";
// Act
validator.ValidateStatement(statement);
}
public void ThrowsExceptionWhenMalformedResource()
{
// Arrange
var statement = new AuthzDecisionStatement();
var validator = new Saml20StatementValidator();
statement.Resource = "a malformed uri";
// Act
validator.ValidateStatement(statement);
}