protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
AuthenticationProperties properties = null;
string code = null;
string state = null;
try
{
IReadableStringCollection query = Request.Query;
IList <string> values = query.GetValues("code");
if (values != null && values.Count == 1)
{
code = values[0];
}
values = query.GetValues("state");
if (values != null && values.Count == 1)
{
state = values[0];
}
properties = Options.StateDataFormat.Unprotect(state);
if (code == null)
{
// Null if the remote server returns an error.
return(new AuthenticationTicket(null, properties));
}
var body = new Dictionary <string, string> {
{ "client_id", Options.ClientId },
{ "redirect_uri", GenerateRedirectUri(properties) },
{ "client_secret", Options.ClientSecret },
{ "code", Uri.EscapeDataString(code) },
{ "grant_type", "authorization_code" }
};
HttpResponseMessage tokenResponse = await _httpClient.PostAsync(string.Format(TokenEndpoint, Options.Domain), new FormUrlEncodedContent(body), Request.CallCancelled);
await EnsureTokenExchangeSuccessful(tokenResponse);
string text = await tokenResponse.Content.ReadAsStringAsync();
JObject tokens = JObject.Parse(text);
string accessToken = tokens["access_token"].Value <string>();
string idToken = tokens["id_token"] != null ? tokens["id_token"].Value <string>() : null;
string refreshToken = tokens["refresh_token"] != null ? tokens["refresh_token"].Value <string>() : null;
HttpResponseMessage graphResponse = await _httpClient.GetAsync(
string.Format(UserInfoEndpoint, Options.Domain) + "?access_token=" + Uri.EscapeDataString(accessToken), Request.CallCancelled);
graphResponse.EnsureSuccessStatusCode();
text = await graphResponse.Content.ReadAsStringAsync();
JObject user = JObject.Parse(text);
var context = new Auth0AuthenticatedContext(Context, user, accessToken, idToken, refreshToken);
context.Identity = new ClaimsIdentity(
new[]
{
new Claim(ClaimTypes.NameIdentifier, context.Id, ClaimValueTypes.String, context.Connection),
new Claim("user_id", context.Id, ClaimValueTypes.String, Constants.Auth0Issuer),
new Claim(ClaimTypes.Name, context.Name, ClaimValueTypes.String, context.Connection),
new Claim("name", context.Name, ClaimValueTypes.String, context.Connection),
},
Options.AuthenticationType,
ClaimsIdentity.DefaultNameClaimType,
ClaimsIdentity.DefaultRoleClaimType);
if (!string.IsNullOrWhiteSpace(context.Email))
{
context.Identity.AddClaim(new Claim(ClaimTypes.Email, context.Email, ClaimValueTypes.String, context.Connection));
context.Identity.AddClaim(new Claim("email", context.Email, ClaimValueTypes.String, context.Connection));
}
if (!string.IsNullOrWhiteSpace(context.Nickname))
{
context.Identity.AddClaim(new Claim("nickname", context.Nickname, ClaimValueTypes.String, context.Connection));
}
if (!string.IsNullOrWhiteSpace(context.FirstName))
{
context.Identity.AddClaim(new Claim("given_name", context.FirstName, ClaimValueTypes.String, context.Connection));
}
if (!string.IsNullOrWhiteSpace(context.LastName))
{
context.Identity.AddClaim(new Claim("family_name", context.LastName, ClaimValueTypes.String, context.Connection));
}
if (!string.IsNullOrWhiteSpace(context.Connection))
{
context.Identity.AddClaim(new Claim("connection", context.Connection, ClaimValueTypes.String, context.Connection));
}
if (!string.IsNullOrWhiteSpace(context.Picture))
{
context.Identity.AddClaim(new Claim("picture", context.Picture, ClaimValueTypes.String, context.Connection));
}
if (!string.IsNullOrWhiteSpace(context.Provider))
{
context.Identity.AddClaim(new Claim("provider", context.Provider, ClaimValueTypes.String, context.Connection));
}
if (!string.IsNullOrWhiteSpace(context.ProviderAccessToken))
{
context.Identity.AddClaim(new Claim("provider_access_token", context.ProviderAccessToken, ClaimValueTypes.String, context.Connection));
}
if (Options.SaveIdToken && !string.IsNullOrWhiteSpace(context.IdToken))
{
context.Identity.AddClaim(new Claim("id_token", context.IdToken, ClaimValueTypes.String, Constants.Auth0Issuer));
}
if (Options.SaveRefreshToken && !string.IsNullOrWhiteSpace(context.RefreshToken))
{
context.Identity.AddClaim(new Claim("refresh_token", context.RefreshToken, ClaimValueTypes.String, Constants.Auth0Issuer));
}
if (Options.SaveAccessToken && !string.IsNullOrWhiteSpace(context.AccessToken))
{
context.Identity.AddClaim(new Claim("access_token", context.AccessToken, ClaimValueTypes.String, Constants.Auth0Issuer));
}
context.Properties = properties ?? new AuthenticationProperties();
await Options.Provider.Authenticated(context);
return(new AuthenticationTicket(context.Identity, context.Properties));
}
catch (Exception ex)
{
var tokenExchangeFailedContext = new Auth0TokenExchangeFailedContext(
Context, Options,
ex, code, state);
Options.Provider.TokenExchangeFailed(tokenExchangeFailedContext);
_logger.WriteError(ex.Message);
}
return(new AuthenticationTicket(null, properties));
}
/// <summary>
/// Called when a token exchange fails in the Auth0 middleware.
/// </summary>
public void TokenExchangeFailed(Auth0TokenExchangeFailedContext context)
{
OnTokenExchangeFailed(context);
}
