/// <summary>
/// Sends a discovery document request
/// </summary>
/// <param name="client">The client.</param>
/// <param name="request">The request.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns></returns>
public static async Task <DiscoveryDocumentResponse> GetDiscoveryDocumentAsync(this HttpMessageInvoker client, DiscoveryDocumentRequest request, CancellationToken cancellationToken = default)
{
string address;
if (request.Address.IsPresent())
{
address = request.Address;
}
else if (client is HttpClient)
{
address = ((HttpClient)client).BaseAddress.AbsoluteUri;
}
else
{
throw new ArgumentException("An address is required.");
}
var parsed = DiscoveryEndpoint.ParseUrl(address);
var authority = parsed.Authority;
var url = parsed.Url;
if (request.Policy.Authority.IsMissing())
{
request.Policy.Authority = authority;
}
string jwkUrl = "";
if (!DiscoveryEndpoint.IsSecureScheme(new Uri(url), request.Policy))
{
return(ProtocolResponse.FromException <DiscoveryDocumentResponse>(new InvalidOperationException("HTTPS required"), $"Error connecting to {url}. HTTPS required."));
}
try
{
var clone = request.Clone();
clone.Method = HttpMethod.Get;
clone.Prepare();
clone.RequestUri = new Uri(url);
var response = await client.SendAsync(clone, cancellationToken).ConfigureAwait(false);
string responseContent = null;
if (response.Content != null)
{
responseContent = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
}
if (!response.IsSuccessStatusCode)
{
return(await ProtocolResponse.FromHttpResponseAsync <DiscoveryDocumentResponse>(response, $"Error connecting to {url}: {response.ReasonPhrase}"));
}
var disco = await ProtocolResponse.FromHttpResponseAsync <DiscoveryDocumentResponse>(response, request.Policy).ConfigureAwait(false);
if (disco.IsError)
{
return(disco);
}
try
{
jwkUrl = disco.JwksUri;
if (jwkUrl != null)
{
var jwkClone = request.Clone <JsonWebKeySetRequest>();
jwkClone.Method = HttpMethod.Get;
jwkClone.Address = jwkUrl;
jwkClone.Prepare();
var jwkResponse = await client.GetJsonWebKeySetAsync(jwkClone, cancellationToken).ConfigureAwait(false);
if (jwkResponse.IsError)
{
return(await ProtocolResponse.FromHttpResponseAsync <DiscoveryDocumentResponse>(jwkResponse.HttpResponse, $"Error connecting to {jwkUrl}: {jwkResponse.HttpErrorReason}").ConfigureAwait(false));
}
disco.KeySet = jwkResponse.KeySet;
}
return(disco);
}
catch (Exception ex)
{
return(ProtocolResponse.FromException <DiscoveryDocumentResponse>(ex, $"Error connecting to {jwkUrl}. {ex.Message}."));
}
}
catch (Exception ex)
{
return(ProtocolResponse.FromException <DiscoveryDocumentResponse>(ex, $"Error connecting to {url}. {ex.Message}."));
}
}
/// <summary>
/// Sends a discovery document request
/// </summary>
/// <param name="client">The client.</param>
/// <param name="request">The request.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns></returns>
public static async Task <DiscoveryResponse> GetDiscoveryDocumentAsync(this HttpClient client, DiscoveryDocumentRequest request = null, CancellationToken cancellationToken = default)
{
if (request == null)
{
request = new DiscoveryDocumentRequest();
}
string address;
if (request.Address.IsPresent())
{
address = request.Address;
}
else
{
address = client.BaseAddress.AbsoluteUri;
}
var parsed = DiscoveryClient.ParseUrl(address);
var authority = parsed.Authority;
var url = parsed.Url;
if (request.Policy.Authority.IsMissing())
{
request.Policy.Authority = authority;
}
string jwkUrl = "";
if (!DiscoveryEndpoint.IsSecureScheme(new Uri(url), request.Policy))
{
return(new DiscoveryResponse(new InvalidOperationException("HTTPS required"), $"Error connecting to {url}"));
}
try
{
var httpRequest = new HttpRequestMessage(HttpMethod.Get, url);
var response = await client.SendAsync(httpRequest, cancellationToken).ConfigureAwait(false);
string responseContent = null;
if (response.Content != null)
{
responseContent = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
}
if (!response.IsSuccessStatusCode)
{
return(new DiscoveryResponse(response.StatusCode, $"Error connecting to {url}: {response.ReasonPhrase}", responseContent));
}
var disco = new DiscoveryResponse(responseContent, request.Policy);
if (disco.IsError)
{
return(disco);
}
try
{
jwkUrl = disco.JwksUri;
if (jwkUrl != null)
{
response = await client.GetAsync(jwkUrl, cancellationToken).ConfigureAwait(false);
if (response.Content != null)
{
responseContent = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
}
if (!response.IsSuccessStatusCode)
{
return(new DiscoveryResponse(response.StatusCode, $"Error connecting to {jwkUrl}: {response.ReasonPhrase}", responseContent));
}
disco.KeySet = new JsonWebKeySet(responseContent);
}
return(disco);
}
catch (Exception ex)
{
return(new DiscoveryResponse(ex, $"Error connecting to {jwkUrl}"));
}
}
catch (Exception ex)
{
return(new DiscoveryResponse(ex, $"Error connecting to {url}"));
}
}
