/// <summary>
 /// Invoked whenever Dropbox 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(DropboxAuthenticatedContext context)
 {
     return OnAuthenticated(context);
 }
Example #2
0
 /// <summary>
 /// Invoked whenever Dropbox 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(DropboxAuthenticatedContext context)
 {
     return(OnAuthenticated(context));
 }
        protected override async Task <AuthenticationTicket> AuthenticateCoreAsync()
        {
            AuthenticationProperties properties = null;

            try
            {
                string code = null;

                var query  = Request.Query;
                var values = query.GetValues("code");
                if (values != null && values.Count == 1)
                {
                    code = values[0];
                }

                var state = Request.Cookies[StateCookie];
                properties = Options.StateDataFormat.Unprotect(state);
                if (properties == null)
                {
                    return(null);
                }

                // OAuth2 10.12 CSRF
                if (!ValidateCorrelationId(properties, _logger))
                {
                    return(new AuthenticationTicket(null, properties));
                }

                // Check for error
                if (Request.Query.Get("error") != null)
                {
                    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 Dictionary <string, string>
                {
                    { "grant_type", "authorization_code" },
                    { "code", code },
                    { "redirect_uri", redirectUri },
                    { "client_id", Options.AppKey },
                    { "client_secret", Options.AppSecret }
                };

                // Request the token
                var tokenResponse =
                    await _httpClient.PostAsync(TokenEndpoint, new FormUrlEncodedContent(body));

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

                // Deserializes the token response
                dynamic response    = JsonConvert.DeserializeObject <dynamic>(text);
                var     accessToken = (string)response.access_token;

                // Get the Dropbox user
                _httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", accessToken);
                var graphResponse = await _httpClient.PostAsync(UserInfoEndpoint, null);

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

                var user = JObject.Parse(text);

                var context = new DropboxAuthenticatedContext(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.Name))
                {
                    context.Identity.AddClaim(new Claim(ClaimsIdentity.DefaultNameClaimType, context.Name, 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));
        }
        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];
                }

                state      = Request.Cookies[StateCookie];
                properties = Options.StateDataFormat.Unprotect(state);
                if (properties == null)
                {
                    return(null);
                }

                // OAuth2 10.12 CSRF
                if (!ValidateCorrelationId(properties, logger))
                {
                    return(new AuthenticationTicket(null, properties));
                }

                // Check for error
                if (Request.Query.Get("error") != null)
                {
                    return(new AuthenticationTicket(null, properties));
                }

                string requestPrefix = Request.Scheme + "://" + Request.Host;
                string redirectUri   = requestPrefix + Request.PathBase + Options.CallbackPath;

                // Build up the body for the token request
                var body = new List <KeyValuePair <string, string> >();
                body.Add(new KeyValuePair <string, string>("grant_type", "authorization_code"));
                body.Add(new KeyValuePair <string, string>("code", code));
                body.Add(new KeyValuePair <string, string>("redirect_uri", redirectUri));
                body.Add(new KeyValuePair <string, string>("client_id", Options.AppKey));
                body.Add(new KeyValuePair <string, string>("client_secret", Options.AppSecret));

                // Request the token
                HttpResponseMessage tokenResponse =
                    await httpClient.PostAsync(TokenEndpoint, new FormUrlEncodedContent(body));

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

                // Deserializes the token response
                dynamic response    = JsonConvert.DeserializeObject <dynamic>(text);
                string  accessToken = (string)response.access_token;

                // Get the Dropbox user
                HttpResponseMessage graphResponse = await httpClient.GetAsync(
                    UserInfoEndpoint + "?access_token=" + Uri.EscapeDataString(accessToken), Request.CallCancelled);

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

                JObject user = JObject.Parse(text);

                var context = new DropboxAuthenticatedContext(Context, user, accessToken);
                context.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.Name))
                {
                    context.Identity.AddClaim(new Claim(ClaimsIdentity.DefaultNameClaimType, context.Name, 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));
        }