protected override Task ApplyResponseChallengeAsync()
{
if (Response.StatusCode != 401)
{
return(Task.FromResult <object>(null));
}
var challenge = Helper.LookupChallenge(Options.AuthenticationType, Options.AuthenticationMode);
if (challenge == null)
{
return(Task.FromResult <object>(null));
}
var baseUri =
Request.Scheme +
Uri.SchemeDelimiter +
this.GetHostName() +
Request.PathBase;
var currentUri =
baseUri +
Request.Path +
Request.QueryString;
var redirectUri =
baseUri +
Options.CallbackPath;
var properties = challenge.Properties;
if (string.IsNullOrEmpty(properties.RedirectUri))
{
properties.RedirectUri = currentUri;
}
// OAuth2 10.12 CSRF
GenerateCorrelationId(properties);
// comma separated
var scope = string.Join(",", Options.Scope);
// allow scopes to be specified via the authentication properties for this request, when specified they will already be comma separated
if (properties.Dictionary.ContainsKey("scope"))
{
scope = properties.Dictionary["scope"];
}
var state = Options.StateDataFormat.Protect(properties);
var authorizationEndpoint =
"https://www.linkedin.com/uas/oauth2/authorization" +
"?response_type=code" +
"&client_id=" + Uri.EscapeDataString(Options.ClientId) +
"&redirect_uri=" + Uri.EscapeDataString(redirectUri) +
"&scope=" + Uri.EscapeDataString(scope) +
"&state=" + Uri.EscapeDataString(state);
var redirectContext = new LinkedInApplyRedirectContext(
Context, Options,
properties, authorizationEndpoint);
Options.Provider.ApplyRedirect(redirectContext);
return(Task.FromResult <object>(null));
}
/// <summary>
/// Called when a Challenge causes a redirect to authorize endpoint in the LinkedIn middleware
/// </summary>
/// <param name="context">Contains redirect URI and <see cref="AuthenticationProperties"/> of the challenge </param>
public virtual void ApplyRedirect(LinkedInApplyRedirectContext context)
{
OnApplyRedirect(context);
}