internal async Task <string> GetTokenEndpointAsync(GraphQLDataAdapterMetadata adapterMetadata)
{
var discoveryResponse = await DiscoveryClient.GetAsync(adapterMetadata.Credentials.Issuer);
if (discoveryResponse.IsError)
{
throw new Exception("Auth discovery failure.");
}
return(discoveryResponse.TokenEndpoint);
}
internal async Task <string> GetAuthenticationTokenAsync(GraphQLDataAdapterMetadata adapterMetadata)
{
var tokenEndpoint = await GetTokenEndpointAsync(adapterMetadata);
var client = adapterMetadata.Credentials.ClientId;
var secret = adapterMetadata.Credentials.ClientSecret;
var scope = adapterMetadata.Credentials.Scopes;
var tokenClient = new TokenClient(tokenEndpoint, client, secret);
var tokenResponse = await tokenClient.RequestClientCredentialsAsync(scope);
if (tokenResponse.IsError)
{
// TODO: Log this... and throw exception...
return(null);
}
return(tokenResponse.AccessToken);
}
