console/satellite: track signup captcha scores

This change tracks signup captcha scores in the signup_captcha column in the users table.
It slightly modifies the captcha verify method to return both the score and success.

see: https://github.com/storj/storj/issues/5067

Change-Id: I7b3993e44958cfcf179806c7df19d6887fe3eda9

satellite/console/captcha.go

@@ -21,7 +21,7 @@ const hcaptchaAPIURL = "https://hcaptcha.com/siteverify"
 // and returning whether the user response characterized by the given
 // response token and IP is valid.
 type CaptchaHandler interface {
-	Verify(ctx context.Context, responseToken string, userIP string) (bool, error)
+	Verify(ctx context.Context, responseToken string, userIP string) (bool, *float64, error)
 }
 
 // CaptchaType is a type of captcha.
@@ -55,12 +55,12 @@ func NewDefaultCaptcha(kind CaptchaType, secretKey string) CaptchaHandler {
 // Verify contacts the captcha API and returns whether the given response token is valid.
 // The documentation can be found here for recaptcha: https://developers.google.com/recaptcha/docs/verify
 // And here for hcaptcha: https://docs.hcaptcha.com/
-func (r captchaHandler) Verify(ctx context.Context, responseToken string, userIP string) (valid bool, err error) {
+func (r captchaHandler) Verify(ctx context.Context, responseToken string, userIP string) (valid bool, score *float64, err error) {
 	if responseToken == "" {
-		return false, errs.New("the response token is empty")
+		return false, nil, errs.New("the response token is empty")
 	}
 	if userIP == "" {
-		return false, errs.New("the user's IP address is empty")
+		return false, nil, errs.New("the user's IP address is empty")
 	}
 
 	reqBody := url.Values{
@@ -71,13 +71,13 @@ func (r captchaHandler) Verify(ctx context.Context, responseToken string, userIP
 
 	req, err := http.NewRequestWithContext(ctx, http.MethodPost, r.Endpoint, strings.NewReader(reqBody))
 	if err != nil {
-		return false, err
+		return false, nil, err
 	}
 	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
 
 	resp, err := http.DefaultClient.Do(req)
 	if err != nil {
-		return false, err
+		return false, nil, err
 	}
 
 	defer func() {
@@ -85,16 +85,17 @@ func (r captchaHandler) Verify(ctx context.Context, responseToken string, userIP
 	}()
 
 	if resp.StatusCode != http.StatusOK {
-		return false, errors.New(resp.Status)
+		return false, nil, errors.New(resp.Status)
 	}
 
 	var data struct {
 		Success bool    `json:"success"`
+		Score   float64 `json:"score"`
 	}
 	err = json.NewDecoder(resp.Body).Decode(&data)
 	if err != nil {
-		return false, err
+		return false, nil, err
 	}
 
-	return data.Success, nil
+	return data.Success, &data.Score, nil
 }

satellite/console/captcha_test.go

@@ -20,8 +20,9 @@ const validResponseToken = "myResponseToken"
 
 type mockRecaptcha struct{}
 
-func (r mockRecaptcha) Verify(ctx context.Context, responseToken string, userIP string) (bool, error) {
-	return responseToken == validResponseToken, nil
+func (r mockRecaptcha) Verify(ctx context.Context, responseToken string, userIP string) (bool, *float64, error) {
+	score := 1.0
+	return responseToken == validResponseToken, &score, nil
 }
 
 // TestRegistrationRecaptcha ensures that registration reCAPTCHA service is working properly.
@@ -52,6 +53,8 @@ func TestRegistrationRecaptcha(t *testing.T) {
 
 		require.NotNil(t, user)
 		require.NoError(t, err)
+		require.NotNil(t, user.SignupCaptcha)
+		require.Equal(t, 1.0, *user.SignupCaptcha)
 
 		regToken2, err := service.CreateRegToken(ctx, 1)
 		require.NoError(t, err)

satellite/console/service.go

@@ -653,10 +653,12 @@ func (s *Service) checkRegistrationSecret(ctx context.Context, tokenSecret Regis
 func (s *Service) CreateUser(ctx context.Context, user CreateUser, tokenSecret RegistrationSecret) (u *User, err error) {
 	defer mon.Task()(&ctx)(&err)
 
+	var captchaScore *float64
+
 	mon.Counter("create_user_attempt").Inc(1) //mon:locked
 
 	if s.config.Captcha.Registration.Recaptcha.Enabled || s.config.Captcha.Registration.Hcaptcha.Enabled {
-		valid, err := s.registrationCaptchaHandler.Verify(ctx, user.CaptchaResponse, user.IP)
+		valid, score, err := s.registrationCaptchaHandler.Verify(ctx, user.CaptchaResponse, user.IP)
 		if err != nil {
 			mon.Counter("create_user_captcha_error").Inc(1) //mon:locked
 			s.log.Error("captcha authorization failed", zap.Error(err))
@@ -666,6 +668,7 @@ func (s *Service) CreateUser(ctx context.Context, user CreateUser, tokenSecret R
 			mon.Counter("create_user_captcha_unsuccessful").Inc(1) //mon:locked
 			return nil, ErrCaptcha.New("captcha validation unsuccessful")
 		}
+		captchaScore = score
 	}
 
 	if err := user.IsValid(); err != nil {
@@ -715,6 +718,7 @@ func (s *Service) CreateUser(ctx context.Context, user CreateUser, tokenSecret R
 			EmployeeCount:    user.EmployeeCount,
 			HaveSalesContact: user.HaveSalesContact,
 			SignupPromoCode:  user.SignupPromoCode,
+			SignupCaptcha:    captchaScore,
 		}
 
 		if user.UserAgent != nil {
@@ -979,7 +983,7 @@ func (s *Service) Token(ctx context.Context, request AuthUser) (token consoleaut
 	mon.Counter("login_attempt").Inc(1) //mon:locked
 
 	if s.config.Captcha.Login.Recaptcha.Enabled || s.config.Captcha.Login.Hcaptcha.Enabled {
-		valid, err := s.loginCaptchaHandler.Verify(ctx, request.CaptchaResponse, request.IP)
+		valid, _, err := s.loginCaptchaHandler.Verify(ctx, request.CaptchaResponse, request.IP)
 		if err != nil {
 			mon.Counter("login_user_captcha_error").Inc(1) //mon:locked
 			return consoleauth.Token{}, ErrCaptcha.Wrap(err)

satellite/console/users.go

@@ -176,6 +176,7 @@ type User struct {
 
 	FailedLoginCount       int       `json:"failedLoginCount"`
 	LoginLockoutExpiration time.Time `json:"loginLockoutExpiration"`
+	SignupCaptcha          *float64  `json:"-"`
 }
 
 // ResponseUser is an entity which describes db User and can be sent in response.

satellite/satellitedb/users.go

@@ -155,6 +155,9 @@ func (users *users) Insert(ctx context.Context, user *console.User) (_ *console.
 		optional.EmployeeCount = dbx.User_EmployeeCount(user.EmployeeCount)
 		optional.HaveSalesContact = dbx.User_HaveSalesContact(user.HaveSalesContact)
 	}
+	if user.SignupCaptcha != nil {
+		optional.SignupCaptcha = dbx.User_SignupCaptcha(*user.SignupCaptcha)
+	}
 
 	createdUser, err := users.db.Create_User(ctx,
 		dbx.User_Id(user.ID[:]),
@@ -368,6 +371,7 @@ func userFromDBX(ctx context.Context, user *dbx.User) (_ *console.User, err erro
 		HaveSalesContact:      user.HaveSalesContact,
 		MFAEnabled:            user.MfaEnabled,
 		VerificationReminders: user.VerificationReminders,
+		SignupCaptcha:         user.SignupCaptcha,
 	}
 
 	if user.PartnerId != nil {