public UserInformationMiddleware(
RequestDelegate next,
IApplicationBuilder app,
IOptions <TOptions> options)
{
if (next == null)
{
throw new ArgumentNullException(nameof(next));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
_next = next;
_options = options.Value;
_httpClient = new HttpClient(_options.BackChannelHttpHandler ?? new HttpClientHandler());
var nullAuthenticationBuilder = app.New();
var nullAuthenticationOptions = new NullAuthenticationOptions
{
AutomaticAuthenticate = true,
AutomaticChallenge = true
};
nullAuthenticationBuilder.UseMiddleware <NullAuthenticationMiddleware>(Options.Create(nullAuthenticationOptions));
nullAuthenticationBuilder.Run(ctx => next(ctx));
_nullAuthenticationNext = nullAuthenticationBuilder.Build();
}
private async Task <Dictionary <string, string> > GetUserInformationResponse(
UserInformationOptions userInformationOptions,
string token)
{
Uri uri = null;
var url = userInformationOptions.UserInformationEndPoint;
if (!Uri.TryCreate(url, UriKind.Absolute, out uri))
{
throw new ArgumentException(ErrorDescriptions.TheUserInfoEndPointIsNotAWellFormedUrl);
}
var requestMessage = new HttpRequestMessage(HttpMethod.Get, url);
requestMessage.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
requestMessage.Headers.Add(AuthorizationName, string.Format("Bearer {0}", token));
var response = await _httpClient.SendAsync(requestMessage);
if (!response.IsSuccessStatusCode)
{
return(null);
}
var content = await response.Content.ReadAsStringAsync();
return(JsonConvert.DeserializeObject <Dictionary <string, string> >(content));
}
public static IApplicationBuilder UseAuthenticationWithUserInformation(
this IApplicationBuilder app,
UserInformationOptions userInformationOptions)
{
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
if (userInformationOptions == null)
{
throw new ArgumentNullException(nameof(userInformationOptions));
}
return(app.UseMiddleware <UserInformationMiddleware <UserInformationOptions> >(app, Options.Create(userInformationOptions)));
}
