protected override async Task <AuthenticationTicket> AuthenticateCoreAsync() { AuthenticationProperties properties = null; try { string code = null; string state = null; 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 (properties == null) { return(null); } // OAuth2 10.12 CSRF if (!ValidateCorrelationId(properties, _logger)) { return(new AuthenticationTicket(null, properties)); } string requestPrefix = Request.Scheme + "://" + Request.Host; string redirectUri = requestPrefix + Request.PathBase + Options.CallbackPath; var postContent = new StringContent("grant_type=authorization_code" + "&code=" + Uri.EscapeDataString(code) + "&redirect_uri=" + Uri.EscapeDataString(redirectUri) + "&client_id=" + Uri.EscapeDataString(Options.ClientId) + "&client_secret=" + Uri.EscapeDataString(Options.ClientSecret)); HttpResponseMessage tokenResponse = await _httpClient.PostAsync(TokenEndpoint, postContent, Request.CallCancelled); tokenResponse.EnsureSuccessStatusCode(); string text = await tokenResponse.Content.ReadAsStringAsync(); dynamic form = JObject.Parse(text); string accessToken = form.access_token; JObject user = form.user; var context = new InstagramAuthenticatedContext(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.FullName)) { context.Identity.AddClaim(new Claim("urn:instagram:fullName", context.FullName, XmlSchemaString, Options.AuthenticationType)); } if (!string.IsNullOrEmpty(context.ProfilePicture)) { context.Identity.AddClaim(new Claim("urn:instagram:profilePic", context.ProfilePicture, 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 Facebook succesfully 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(InstagramAuthenticatedContext context) { return OnAuthenticated(context); }
/// <summary> /// Invoked whenever Facebook succesfully 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(InstagramAuthenticatedContext context) { return(OnAuthenticated(context)); }