internal static (string value, OpenIdConnectMessage error) ValidateParameterIsUnique(
IDictionary <string, string[]> requestParameters,
string parameterName,
ProtocolErrorProvider provider)
{
if (requestParameters.TryGetValue(parameterName, out var currentParameter))
{
if (currentParameter.Length > 1)
{
return(null, provider.TooManyParameters(parameterName));
}
var parameterValue = currentParameter.SingleOrDefault();
if (string.IsNullOrEmpty(parameterValue))
{
return(null, provider.MissingRequiredParameter(parameterName));
}
return(parameterValue, null);
}
else
{
return(null, provider.MissingRequiredParameter(parameterName));
}
}
public async Task FailsToCreateAuthorizationRequest_IfState_HasMultipleValues()
{
// Arrange
var parameters = new Dictionary <string, string[]>
{
[OpenIdConnectParameterNames.State] = new[] { "a", "b" }
};
var expectedError = new AuthorizationRequestError(ProtocolErrorProvider.TooManyParameters(OpenIdConnectParameterNames.State), null, null);
var factory = CreateAuthorizationRequestFactory();
// Act
var result = await factory.CreateAuthorizationRequestAsync(parameters);
// Assert
Assert.False(result.IsValid);
Assert.Equal(expectedError, result.Error, IdentityServiceErrorComparer.Instance);
Assert.Null(result.Error.RedirectUri);
Assert.Null(result.Error.ResponseMode);
}
internal static (string value, OpenIdConnectMessage error) ValidateOptionalParameterIsUnique(
IDictionary <string, string[]> requestParameters,
string parameterName, ProtocolErrorProvider provider)
{
if (requestParameters.TryGetValue(parameterName, out var currentParameter))
{
if (currentParameter.Count() != 1)
{
return(null, provider.TooManyParameters(parameterName));
}
return(currentParameter.Single(), null);
}
return(null, null);
}