/// <summary>
/// Gets and loads instance endpoints
/// </summary>
/// <param name="ct">The token to monitor for cancellation requests</param>
/// <returns>Instance endpoints</returns>
public InstanceEndpoints GetEndpoints(CancellationToken ct = default)
{
lock (_endpoints_lock)
{
if (_endpoints == null)
{
try
{
// Get and load API endpoints.
var endpoints = new InstanceEndpoints();
var uri_builder = new UriBuilder(Base);
uri_builder.Path += "info.json";
endpoints.LoadJSON(Xml.Response.Get(
uri: uri_builder.Uri,
ct: ct).Value, ct);
// If we got here, save the endpoints.
_endpoints = endpoints;
}
catch (OperationCanceledException) { throw; }
catch (Exception ex) { throw new AggregateException(Resources.Strings.ErrorEndpointsLoad, ex); }
}
return(_endpoints);
}
}
/// <summary>
/// Constructs the authenticating instance
/// </summary>
/// <param name="authorization_endpoint">Authorization endpoint URI - used by the client to obtain authorization from the resource owner via user-agent redirection.</param>
/// <param name="token_endpoint">Token endpoint URI - used by the client to exchange an authorization grant for an access token, typically with client authentication.</param>
public Instance(Uri authorization_endpoint, Uri token_endpoint) :
this()
{
// Make a guess for the base name - required to identify instance (e.g. when caching access tokens).
_base = new Uri(authorization_endpoint.GetLeftPart(UriPartial.Authority) + "/");
// Set display name to authorization URI hostname.
_display_name = authorization_endpoint.Host;
// Set instance logo to /favicon.ico, perhaps we might get lucky.
_logo = new UriBuilder(authorization_endpoint)
{
Path = "/favicon.ico"
}.Uri;
// Set API endpoints manually.
_endpoints = new InstanceEndpoints()
{
AuthorizationEndpoint = authorization_endpoint,
TokenEndpoint = token_endpoint,
};
}
