public override async Task Authenticated(DiscordAuthenticatedContext context)
{
if (context.Verified)
{
var authenticationRepository = new AuthenticationRepository();
var user = await authenticationRepository.FindUserAsync(context.Email);
if (user == null) //if user is unknown create him in the system.
{
await authenticationRepository.RegisterUserAsync(new UserViewModel
{
UserName = context.Email,
Password = Guid.NewGuid().ToString("N")
});
}
}
context.Properties.Dictionary.Add("userName", context.Email);
context.OwinContext.Set("discord:verified", context.Verified);
await base.Authenticated(context);
}
protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
{
AuthenticationProperties properties = null;
try
{
string code = null;
string state = null;
var query = Request.Query;
var 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 (properties == null)
{
return(null);
}
// OAuth2 10.12 CSRF
if (!ValidateCorrelationId(properties, _logger))
{
return(new AuthenticationTicket(null, properties));
}
var requestPrefix = Request.Scheme + "://" + Request.Host;
var redirectUri = requestPrefix + Request.PathBase + Options.CallbackPath;
// Build up the body for the token request
var body = new List <KeyValuePair <string, string> >
{
new KeyValuePair <string, string>("grant_type", "authorization_code"),
new KeyValuePair <string, string>("code", code),
new KeyValuePair <string, string>("redirect_uri", redirectUri),
new KeyValuePair <string, string>("client_id", Options.ClientId),
new KeyValuePair <string, string>("client_secret", Options.ClientSecret)
};
var request = new HttpRequestMessage(HttpMethod.Post, TokenEndpoint);
request.Content = new FormUrlEncodedContent(body);
// Request the token
var tokenResponse =
await _httpClient.SendAsync(request);
tokenResponse.EnsureSuccessStatusCode();
var text = await tokenResponse.Content.ReadAsStringAsync();
// Deserializes the token response
dynamic response = JsonConvert.DeserializeObject <dynamic>(text);
var accessToken = (string)response.access_token;
var expires = (string)response.expires_in;
var refreshToken = (string)response.refresh_token;
// Get the Discord user
var userRequest = new HttpRequestMessage(HttpMethod.Get, UserInfoEndpoint);
userRequest.Headers.Add("Authorization", "Bearer " + Uri.EscapeDataString(accessToken) + "");
var graphResponse = await _httpClient.SendAsync(userRequest, Request.CallCancelled);
graphResponse.EnsureSuccessStatusCode();
text = await graphResponse.Content.ReadAsStringAsync();
var user = JObject.Parse(text);
var context = new DiscordAuthenticatedContext(Context, user, accessToken, expires, refreshToken)
{
Identity = new ClaimsIdentity(
Options.AuthenticationType,
ClaimsIdentity.DefaultNameClaimType,
ClaimsIdentity.DefaultRoleClaimType)
};
if (!string.IsNullOrEmpty(context.Id))
{
context.Identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, context.Id, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.UserName))
{
context.Identity.AddClaim(new Claim(ClaimsIdentity.DefaultNameClaimType, context.UserName, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Email))
{
context.Identity.AddClaim(new Claim(ClaimTypes.Email, context.Email, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Avatar))
{
context.Identity.AddClaim(new Claim("urn:discord:avatar", context.Avatar, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.Discriminator))
{
context.Identity.AddClaim(new Claim("urn:discord:discriminator", context.Discriminator, XmlSchemaString, Options.AuthenticationType));
}
if (!string.IsNullOrEmpty(context.AccessToken))
{
context.Identity.AddClaim(new Claim("urn:discord:accesstoken", context.AccessToken, XmlSchemaString, Options.AuthenticationType));
}
context.Identity.AddClaim(new Claim("urn:discord:verified", context.Verified.ToString(), XmlSchemaString, Options.AuthenticationType));
context.Properties = properties;
await Options.Provider.Authenticated(context);
return(new AuthenticationTicket(context.Identity, context.Properties));
}
catch (Exception ex)
{
_logger.WriteError(ex.Message);
}
return(new AuthenticationTicket(null, properties));
}
