public async Task <IEnumerable <JsonWebKey> > ResolveJsonWebKeys(IHttpClientFactory httpClientFactory)
{
if (JsonWebKeys != null && JsonWebKeys.Any())
{
return(JsonWebKeys);
}
Uri uri = null;
if (string.IsNullOrWhiteSpace(JwksUri) || !Uri.TryCreate(JwksUri, UriKind.Absolute, out uri))
{
return(new JsonWebKey[0]);
}
using (var httpClient = httpClientFactory.GetHttpClient())
{
httpClient.BaseAddress = uri;
var request = await httpClient.GetAsync(uri.AbsoluteUri).ConfigureAwait(false);
request.EnsureSuccessStatusCode();
var json = await request.Content.ReadAsStringAsync().ConfigureAwait(false);
var keysJson = JObject.Parse(json)["keys"].ToString();
var jsonWebKeys = JsonConvert.DeserializeObject <JArray>(keysJson).Select(k => JsonWebKey.Deserialize(k.ToString()));
return(jsonWebKeys);
}
}
