/// <summary>
/// String comparison between issuer and authority (trailing slash ignored).
/// </summary>
/// <param name="issuerName"></param>
/// <param name="expectedAuthority"></param>
/// <returns></returns>
public AuthorityValidationResult IsIssuerNameValid(string issuerName, string expectedAuthority)
{
if (string.IsNullOrWhiteSpace(issuerName))
{
return(AuthorityValidationResult.CreateError("Issuer name is missing"));
}
if (string.Equals(issuerName.RemoveTrailingSlash(), expectedAuthority.RemoveTrailingSlash(), _stringComparison))
{
return(AuthorityValidationResult.SuccessResult);
}
return(AuthorityValidationResult.CreateError("Issuer name does not match authority: " + issuerName));
}
/// <summary>
/// String "starts with" comparison between endpoint and allowed authorities.
/// </summary>
/// <param name="endpoint"></param>
/// <param name="allowedAuthorities"></param>
/// <returns></returns>
public AuthorityValidationResult IsEndpointValid(string endpoint, IEnumerable <string> allowedAuthorities)
{
if (string.IsNullOrEmpty(endpoint))
{
return(AuthorityValidationResult.CreateError("endpoint is empty"));
}
foreach (string authority in allowedAuthorities)
{
if (endpoint.StartsWith(authority, _stringComparison))
{
return(AuthorityValidationResult.SuccessResult);
}
}
return(AuthorityValidationResult.CreateError($"Endpoint belongs to different authority: {endpoint}"));
}
/// <inheritdoc/>
public AuthorityValidationResult IsIssuerNameValid(string issuerName, string expectedAuthority)
{
if (!Uri.TryCreate(expectedAuthority.RemoveTrailingSlash(), UriKind.Absolute, out var expectedAuthorityUrl))
{
throw new ArgumentOutOfRangeException(nameof(expectedAuthority), "Authority must be a valid URL.");
}
if (string.IsNullOrWhiteSpace(issuerName))
{
return(AuthorityValidationResult.CreateError("Issuer name is missing"));
}
if (!Uri.TryCreate(issuerName.RemoveTrailingSlash(), UriKind.Absolute, out var issuerUrl))
{
return(AuthorityValidationResult.CreateError("Issuer name is not a valid URL"));
}
if (expectedAuthorityUrl.Equals(issuerUrl))
{
return(AuthorityValidationResult.SuccessResult);
}
return(AuthorityValidationResult.CreateError("Issuer name does not match authority: " + issuerName));
}
