// Performs a Userinfo API call using OIDAuthState.withFreshTokensPerformAction.
partial void Userinfo(UIButton sender)
{
var userinfoEndpoint = AuthState.LastAuthorizationResponse.Request.Configuration.DiscoveryDocument.UserinfoEndpoint;
if (userinfoEndpoint == null)
{
Console.WriteLine($"Userinfo endpoint not declared in discovery document");
return;
}
var currentAccessToken = AuthState.LastTokenResponse.AccessToken;
Console.WriteLine($"Performing userinfo request");
AuthState.PerformWithFreshTokens(async(accessToken, idToken, error) =>
{
if (error != null)
{
Console.WriteLine($"Error fetching fresh tokens: {error.LocalizedDescription}");
return;
}
// log whether a token refresh occurred
if (currentAccessToken != accessToken)
{
Console.WriteLine($"Access token was refreshed automatically ({currentAccessToken} to {accessToken})");
}
else
{
Console.WriteLine($"Access token was fresh and not updated {accessToken}");
}
// creates request to the userinfo endpoint, with access token in the Authorization header
var httpClient = new HttpClient();
httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
// performs HTTP request
var response = await httpClient.GetAsync(userinfoEndpoint);
var content = await response.Content.ReadAsStringAsync();
NSError deserializeError;
var data = (NSDictionary)NSJsonSerialization.Deserialize(NSData.FromString(content), 0, out deserializeError);
if (response.IsSuccessStatusCode)
{
Console.WriteLine($"Success: {content}");
new UIAlertView("OpenID AppAuth", $"Hello, {data["name"]}!", null, "Hi").Show();
}
else
{
// server replied with an error
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
// "401 Unauthorized" generally indicates there is an issue with the authorization
// grant. Puts OIDAuthState into an error state.
var authError = ErrorUtilities.CreateResourceServerAuthorizationError(0, data, error);
AuthState.Update(authError);
// log error
Console.WriteLine($"Authorization Error ({authError}). Response: {content}");
}
else
{
// log error
Console.WriteLine($"HTTP Error ({response.StatusCode}). Response: {content}");
}
}
});
}
