/// <summary>
/// Url of the token issuing instance. E.g. the JWT bearer
/// authentication middleware will use this URI as base
/// uri to retrieve the public key that can be used to
/// validate the token's signature.
/// </summary>
/// <param name="config"></param>
/// <param name="noVersion"></param>
/// <returns></returns>
public static string GetAuthorityUrl(this IOAuthConfig config,
bool noVersion = false)
{
var authorityUrl = config?.InstanceUrl?.TrimEnd('/');
var tenantId = config?.TenantId;
var provider = config.GetProviderName();
if (string.IsNullOrEmpty(authorityUrl))
{
// Default to aad
authorityUrl = kDefaultAuthorityUrl;
}
if (provider == AuthProvider.AzureAD)
{
// use v2.0 endpoint of AAD with tenant if set
if (string.IsNullOrEmpty(tenantId))
{
tenantId = "common";
}
authorityUrl += "/" + tenantId;
if (!noVersion)
{
authorityUrl += "/v2.0";
}
return(authorityUrl);
}
// Non aad e.g. identity server with optional tenant id.
if (!string.IsNullOrEmpty(tenantId))
{
authorityUrl += "/" + tenantId;
}
return(authorityUrl);
}
/// <summary>
/// Returns the provider name
/// </summary>
/// <param name="config"></param>
/// <returns></returns>
public static string GetProviderName(this IOAuthConfig config)
{
var name = config.Provider;
if (string.IsNullOrEmpty(name))
{
return(AuthProvider.Unknown);
}
return(name);
}
