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"), // the service default to this type, so it optional here
                    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)
                };

                // Request the token
                var requestMessage = new HttpRequestMessage(HttpMethod.Post, Options.Endpoints.TokenEndpoint);
                requestMessage.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
                requestMessage.Content = new FormUrlEncodedContent(body);
                var tokenResponse = await _httpClient.SendAsync(requestMessage);

                tokenResponse.EnsureSuccessStatusCode();
                var text = await tokenResponse.Content.ReadAsStringAsync();

                // Deserializes the token response
                dynamic response    = JsonConvert.DeserializeObject <dynamic>(text);
                string  jsonstr     = Encoding.UTF8.GetString(Convert.FromBase64String((string)response.access_token));
                var     accessToken = JObject.Parse(jsonstr);

                // Get the OneNet user
                body = new List <KeyValuePair <string, string> >
                {
                    new KeyValuePair <string, string>("uid", accessToken.GetValue("userId").ToString()),
                    new KeyValuePair <string, string>("eid", accessToken.GetValue("endpointId").ToString()),
                    new KeyValuePair <string, string>("client_id", Options.ClientId),
                    new KeyValuePair <string, string>("client_secret", Options.ClientSecret)
                };
                var userRequest = new HttpRequestMessage(HttpMethod.Post, Options.Endpoints.UserInfoEndpoint);
                userRequest.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
                var langs = HttpContext.Current.Request.Headers.Get("Accept-Language").Split(',');
                if (langs.Length > 0)
                {
                    userRequest.Headers.AcceptLanguage.Add(new StringWithQualityHeaderValue(langs[0]));
                }
                userRequest.Content = new FormUrlEncodedContent(body);
                var userResponse = await _httpClient.SendAsync(userRequest, Request.CallCancelled);

                userResponse.EnsureSuccessStatusCode();
                text = await userResponse.Content.ReadAsStringAsync();

                var user = JObject.Parse(text);

                var context = new OneNetAuthenticatedContext(Context, user, accessToken)
                {
                    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));
                }
                else if (Options.Scope.Any(x => x == "user" || x == "user:email"))
                {
                    var userRequest2 = new HttpRequestMessage(HttpMethod.Post, Options.Endpoints.UserInfoEndpoint + "/emails");
                    userRequest2.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
                    userRequest2.Content = new FormUrlEncodedContent(body);
                    var userResponse2 = await _httpClient.SendAsync(userRequest2, Request.CallCancelled);

                    userResponse2.EnsureSuccessStatusCode();
                    text = await userResponse2.Content.ReadAsStringAsync();

                    var emails = JsonConvert.DeserializeObject <List <UserEmail> >(text);
                    if (emails.Any())
                    {
                        var primaryEmail = emails.FirstOrDefault(x => x.preferred && x.verified);
                        if (primaryEmail != null)
                        {
                            context.Identity.AddClaim(new Claim(ClaimTypes.Email, primaryEmail.value, XmlSchemaString, Options.AuthenticationType));
                        }
                    }
                }
                if (!string.IsNullOrEmpty(context.Name))
                {
                    context.Identity.AddClaim(new Claim(ClaimTypes.Name, context.Name, XmlSchemaString, Options.AuthenticationType));
                }
                if (!string.IsNullOrEmpty(context.EndpointId))
                {
                    //temp, ....
                    context.Identity.AddClaim(new Claim(ClaimTypes.WindowsDeviceClaim, context.EndpointId, XmlSchemaString, Options.AuthenticationType));
                }
                if (!string.IsNullOrEmpty(context.Link))
                {
                    context.Identity.AddClaim(new Claim(ClaimTypes.Webpage, context.Link, XmlSchemaString, Options.AuthenticationType));
                }
                if (!string.IsNullOrEmpty(context.Gender))
                {
                    context.Identity.AddClaim(new Claim(ClaimTypes.Gender, context.Gender, 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));
        }
Exemplo n.º 2
0
 /// <summary>
 /// Invoked whenever OneNet successfully authenticates a user
 /// </summary>
 /// <param name="context">Contains information about the login session as well as the user <see cref="System.Security.Claims.ClaimsIdentity"/>.</param>
 /// <returns>A <see cref="Task"/> representing the completed operation.</returns>
 public virtual Task Authenticated(OneNetAuthenticatedContext context)
 {
     return(OnAuthenticated(context));
 }