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 + "://" + this.GetHostName(); 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) }; if (Options.RequirePkce) { if (properties.Dictionary.ContainsKey(PkceCodeVerifierKey)) { string codeVerifier = properties.Dictionary[PkceCodeVerifierKey]; body.Add(new KeyValuePair <string, string>("code_verifier", codeVerifier)); } else { return(new AuthenticationTicket(null, properties)); } } // Request the token var tokenResponse = await _httpClient.PostAsync(Options.Endpoints.TokenEndpoint, new FormUrlEncodedContent(body)); tokenResponse.EnsureSuccessStatusCode(); var text = await tokenResponse.Content.ReadAsStringAsync(); // Deserializes the token response dynamic response = JsonConvert.DeserializeObject <dynamic>(text); string accessToken = (string)response.access_token; string tokenType = (string)response.token_type; string expires = (string)response.expires_in; string refreshToken = (string)response.refresh_token; // Get the Geocaching user var userInfoEndpoint = Options.Endpoints.UserInfoEndpoint + "/me?fields=" + string.Join("%2C", Options.ProfileFields.Distinct().ToArray()); var userRequest = new HttpRequestMessage(HttpMethod.Get, userInfoEndpoint); userRequest.Headers.Authorization = new AuthenticationHeaderValue("Bearer", accessToken); var graphResponse = await _httpClient.SendAsync(userRequest, Request.CallCancelled); graphResponse.EnsureSuccessStatusCode(); text = await graphResponse.Content.ReadAsStringAsync(); var user = JObject.Parse(text); var context = new GeocachingAuthenticatedContext(Context, user, accessToken, refreshToken, expires) { Identity = new ClaimsIdentity( Options.AuthenticationType, ClaimsIdentity.DefaultNameClaimType, ClaimsIdentity.DefaultRoleClaimType) }; if (!string.IsNullOrEmpty(context.ReferenceCode)) { context.Identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, context.ReferenceCode, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.Username)) { context.Identity.AddClaim(new Claim(ClaimTypes.Name, context.Username, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.RefreshToken)) { context.Identity.AddClaim(new Claim(Claims.RefreshToken, context.RefreshToken, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.AccessToken)) { context.Identity.AddClaim(new Claim(Claims.AccessToken, context.AccessToken, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.MembershipLevelId)) { context.Identity.AddClaim(new Claim(Claims.MembershipLevelId, context.MembershipLevelId, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.AvatarUrl)) { context.Identity.AddClaim(new Claim(Claims.AvatarUrl, context.AvatarUrl, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.BannerUrl)) { context.Identity.AddClaim(new Claim(Claims.BannerUrl, context.BannerUrl, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.Url)) { context.Identity.AddClaim(new Claim(Claims.Url, context.Url, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.FindCount)) { context.Identity.AddClaim(new Claim(Claims.FindCount, context.FindCount, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.HideCount)) { context.Identity.AddClaim(new Claim(Claims.HideCount, context.HideCount, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.FavoritePoints)) { context.Identity.AddClaim(new Claim(Claims.FavoritePoints, context.FavoritePoints, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.ProfileText)) { context.Identity.AddClaim(new Claim(Claims.ProfileText, context.ProfileText, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.HomeCoordinates)) { context.Identity.AddClaim(new Claim(Claims.HomeCoordinates, context.HomeCoordinates, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.GeocacheLimits)) { context.Identity.AddClaim(new Claim(Claims.GeocacheLimits, context.GeocacheLimits, 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)); }
/// <summary> /// Invoked whenever Geocaching 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(GeocachingAuthenticatedContext context) { return(OnAuthenticated(context)); }