feat: add minimum password length and password requirements config

internal/start/start.go

@@ -506,6 +506,8 @@ EOF
 			fmt.Sprintf("GOTRUE_SMS_TEMPLATE=%v", utils.Config.Auth.Sms.Template),
 			"GOTRUE_SMS_TEST_OTP=" + testOTP.String(),
 
+			fmt.Sprintf("GOTRUE_PASSWORD_MIN_LENGTH=%v", utils.Config.Auth.MinimumPasswordLength),
+			fmt.Sprintf("GOTRUE_PASSWORD_REQUIRED_CHARACTERS=%v", utils.Config.Auth.PasswordRequirements.ToChar()),
 			fmt.Sprintf("GOTRUE_SECURITY_REFRESH_TOKEN_ROTATION_ENABLED=%v", utils.Config.Auth.EnableRefreshTokenRotation),
 			fmt.Sprintf("GOTRUE_SECURITY_REFRESH_TOKEN_REUSE_INTERVAL=%v", utils.Config.Auth.RefreshTokenReuseInterval),
 			fmt.Sprintf("GOTRUE_SECURITY_MANUAL_LINKING_ENABLED=%v", utils.Config.Auth.EnableManualLinking),

pkg/config/auth.go

@@ -10,19 +10,54 @@ import (
 	"github.com/supabase/cli/pkg/diff"
 )
 
+type PasswordRequirements string
+
+const (
+	NoRequirements                 PasswordRequirements = ""
+	LettersDigits                  PasswordRequirements = "letters_digits"
+	LowerUpperLettersDigits        PasswordRequirements = "lower_upper_letters_digits"
+	LowerUpperLettersDigitsSymbols PasswordRequirements = "lower_upper_letters_digits_symbols"
+)
+
+func (r PasswordRequirements) ToChar() v1API.UpdateAuthConfigBodyPasswordRequiredCharacters {
+	switch r {
+	case LettersDigits:
+		return v1API.AbcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789
+	case LowerUpperLettersDigits:
+		return v1API.AbcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567891
+	case LowerUpperLettersDigitsSymbols:
+		return v1API.AbcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567892
+	}
+	return v1API.Empty
+}
+
+func NewPasswordRequirement(c v1API.UpdateAuthConfigBodyPasswordRequiredCharacters) PasswordRequirements {
+	switch c {
+	case v1API.AbcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:
+		return LettersDigits
+	case v1API.AbcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567891:
+		return LowerUpperLettersDigits
+	case v1API.AbcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567892:
+		return LowerUpperLettersDigitsSymbols
+	}
+	return NoRequirements
+}
+
 type (
 	auth struct {
 		Enabled bool   `toml:"enabled"`
 		Image   string `toml:"-"`
 
-		SiteUrl                    string   `toml:"site_url"`
-		AdditionalRedirectUrls     []string `toml:"additional_redirect_urls"`
-		JwtExpiry                  uint     `toml:"jwt_expiry"`
-		EnableRefreshTokenRotation bool     `toml:"enable_refresh_token_rotation"`
-		RefreshTokenReuseInterval  uint     `toml:"refresh_token_reuse_interval"`
-		EnableManualLinking        bool     `toml:"enable_manual_linking"`
-		EnableSignup               bool     `toml:"enable_signup"`
-		EnableAnonymousSignIns     bool     `toml:"enable_anonymous_sign_ins"`
+		SiteUrl                    string               `toml:"site_url"`
+		AdditionalRedirectUrls     []string             `toml:"additional_redirect_urls"`
+		JwtExpiry                  uint                 `toml:"jwt_expiry"`
+		EnableRefreshTokenRotation bool                 `toml:"enable_refresh_token_rotation"`
+		RefreshTokenReuseInterval  uint                 `toml:"refresh_token_reuse_interval"`
+		EnableManualLinking        bool                 `toml:"enable_manual_linking"`
+		EnableSignup               bool                 `toml:"enable_signup"`
+		EnableAnonymousSignIns     bool                 `toml:"enable_anonymous_sign_ins"`
+		MinimumPasswordLength      uint                 `toml:"minimum_password_length"`
+		PasswordRequirements       PasswordRequirements `toml:"password_requirements"`
 
 		Hook     hook     `toml:"hook"`
 		MFA      mfa      `toml:"mfa"`
@@ -192,6 +227,8 @@ func (a *auth) ToUpdateAuthConfigBody() v1API.UpdateAuthConfigBody {
 		SecurityManualLinkingEnabled:      &a.EnableManualLinking,
 		DisableSignup:                     cast.Ptr(!a.EnableSignup),
 		ExternalAnonymousUsersEnabled:     &a.EnableAnonymousSignIns,
+		PasswordMinLength:                 cast.UintToIntPtr(&a.MinimumPasswordLength),
+		PasswordRequiredCharacters:        cast.Ptr(a.PasswordRequirements.ToChar()),
 	}
 	a.Hook.toAuthConfigBody(&body)
 	a.MFA.toAuthConfigBody(&body)
@@ -211,6 +248,9 @@ func (a *auth) FromRemoteAuthConfig(remoteConfig v1API.AuthConfigResponse) {
 	a.EnableManualLinking = cast.Val(remoteConfig.SecurityManualLinkingEnabled, false)
 	a.EnableSignup = !cast.Val(remoteConfig.DisableSignup, false)
 	a.EnableAnonymousSignIns = cast.Val(remoteConfig.ExternalAnonymousUsersEnabled, false)
+	a.MinimumPasswordLength = cast.IntToUint(cast.Val(remoteConfig.PasswordMinLength, 0))
+	prc := cast.Val(remoteConfig.PasswordRequiredCharacters, "")
+	a.PasswordRequirements = NewPasswordRequirement(v1API.UpdateAuthConfigBodyPasswordRequiredCharacters(prc))
 	a.Hook.fromAuthConfig(remoteConfig)
 	a.MFA.fromAuthConfig(remoteConfig)
 	a.Sessions.fromAuthConfig(remoteConfig)

pkg/config/auth_test.go

@@ -34,6 +34,89 @@ func assertSnapshotEqual(t *testing.T, actual []byte) {
 	assert.Equal(t, string(expected), string(actual))
 }
 
+func TestAuthDiff(t *testing.T) {
+	t.Run("local and remote enabled", func(t *testing.T) {
+		c := newWithDefaults()
+		c.SiteUrl = "http://127.0.0.1:3000"
+		c.AdditionalRedirectUrls = []string{"https://127.0.0.1:3000"}
+		c.JwtExpiry = 3600
+		c.EnableRefreshTokenRotation = true
+		c.RefreshTokenReuseInterval = 10
+		c.EnableManualLinking = true
+		c.EnableSignup = true
+		c.EnableAnonymousSignIns = true
+		c.MinimumPasswordLength = 6
+		c.PasswordRequirements = LettersDigits
+		// Run test
+		diff, err := c.DiffWithRemote("", v1API.AuthConfigResponse{
+			SiteUrl:                           cast.Ptr("http://127.0.0.1:3000"),
+			UriAllowList:                      cast.Ptr("https://127.0.0.1:3000"),
+			JwtExp:                            cast.Ptr(3600),
+			RefreshTokenRotationEnabled:       cast.Ptr(true),
+			SecurityRefreshTokenReuseInterval: cast.Ptr(10),
+			SecurityManualLinkingEnabled:      cast.Ptr(true),
+			DisableSignup:                     cast.Ptr(false),
+			ExternalAnonymousUsersEnabled:     cast.Ptr(true),
+			PasswordMinLength:                 cast.Ptr(6),
+			PasswordRequiredCharacters:        cast.Ptr(string(v1API.AbcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789)),
+		})
+		// Check error
+		assert.NoError(t, err)
+		assert.Empty(t, string(diff))
+	})
+
+	t.Run("local enabled and disabled", func(t *testing.T) {
+		c := newWithDefaults()
+		c.SiteUrl = "http://127.0.0.1:3000"
+		c.AdditionalRedirectUrls = []string{"https://127.0.0.1:3000"}
+		c.JwtExpiry = 3600
+		c.EnableRefreshTokenRotation = false
+		c.RefreshTokenReuseInterval = 10
+		c.EnableManualLinking = false
+		c.EnableSignup = false
+		c.EnableAnonymousSignIns = false
+		c.MinimumPasswordLength = 6
+		c.PasswordRequirements = LowerUpperLettersDigitsSymbols
+		// Run test
+		diff, err := c.DiffWithRemote("", v1API.AuthConfigResponse{
+			SiteUrl:                           cast.Ptr(""),
+			UriAllowList:                      cast.Ptr("https://127.0.0.1:3000,https://ref.supabase.co"),
+			JwtExp:                            cast.Ptr(0),
+			RefreshTokenRotationEnabled:       cast.Ptr(true),
+			SecurityRefreshTokenReuseInterval: cast.Ptr(0),
+			SecurityManualLinkingEnabled:      cast.Ptr(true),
+			DisableSignup:                     cast.Ptr(false),
+			ExternalAnonymousUsersEnabled:     cast.Ptr(true),
+			PasswordMinLength:                 cast.Ptr(8),
+			PasswordRequiredCharacters:        cast.Ptr(string(v1API.AbcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789)),
+		})
+		// Check error
+		assert.NoError(t, err)
+		assertSnapshotEqual(t, diff)
+	})
+
+	t.Run("local and remote disabled", func(t *testing.T) {
+		c := newWithDefaults()
+		c.EnableSignup = false
+		// Run test
+		diff, err := c.DiffWithRemote("", v1API.AuthConfigResponse{
+			SiteUrl:                           cast.Ptr(""),
+			UriAllowList:                      cast.Ptr(""),
+			JwtExp:                            cast.Ptr(0),
+			RefreshTokenRotationEnabled:       cast.Ptr(false),
+			SecurityRefreshTokenReuseInterval: cast.Ptr(0),
+			SecurityManualLinkingEnabled:      cast.Ptr(false),
+			DisableSignup:                     cast.Ptr(true),
+			ExternalAnonymousUsersEnabled:     cast.Ptr(false),
+			PasswordMinLength:                 cast.Ptr(0),
+			PasswordRequiredCharacters:        cast.Ptr(""),
+		})
+		// Check error
+		assert.NoError(t, err)
+		assert.Empty(t, string(diff))
+	})
+}
+
 func TestHookDiff(t *testing.T) {
 	t.Run("local and remote enabled", func(t *testing.T) {
 		c := newWithDefaults()

pkg/config/config.go

@@ -673,6 +673,10 @@ func (c *baseConfig) Validate(fsys fs.FS) error {
 				return errors.Errorf("Invalid config for auth.additional_redirect_urls[%d]: %v", i, err)
 			}
 		}
+		allowed := []PasswordRequirements{NoRequirements, LettersDigits, LowerUpperLettersDigits, LowerUpperLettersDigitsSymbols}
+		if !sliceContains(allowed, c.Auth.PasswordRequirements) {
+			return errors.Errorf("Invalid config for auth.password_requirements. Must be one of: %v", allowed)
+		}
 		if err := c.Auth.Hook.validate(); err != nil {
 			return err
 		}

pkg/config/templates/config.toml

@@ -110,6 +110,11 @@ enable_signup = true
 enable_anonymous_sign_ins = false
 # Allow/disallow testing manual linking of accounts
 enable_manual_linking = false
+# Passwords shorter than this value will be rejected as weak. Minimum 6, recommended 8 or more.
+minimum_password_length = 6
+# Passwords that do not meet the following requirements will be rejected as weak. Supported values
+# are: `letters_digits`, `lower_upper_letters_digits`, `lower_upper_letters_digits_symbols`
+password_requirements = ""
 
 [auth.email]
 # Allow/disallow new user signups via email to your project.

pkg/config/testdata/TestAuthDiff/local_enabled_and_disabled.diff

@@ -0,0 +1,28 @@
+diff remote[auth] local[auth]
+--- remote[auth]
++++ local[auth]
+@@ -1,14 +1,14 @@
+ enabled = false
+-site_url = ""
+-additional_redirect_urls = ["https://127.0.0.1:3000", "https://ref.supabase.co"]
+-jwt_expiry = 0
+-enable_refresh_token_rotation = true
+-refresh_token_reuse_interval = 0
+-enable_manual_linking = true
+-enable_signup = true
+-enable_anonymous_sign_ins = true
+-minimum_password_length = 8
+-password_requirements = "letters_digits"
++site_url = "http://127.0.0.1:3000"
++additional_redirect_urls = ["https://127.0.0.1:3000"]
++jwt_expiry = 3600
++enable_refresh_token_rotation = false
++refresh_token_reuse_interval = 10
++enable_manual_linking = false
++enable_signup = false
++enable_anonymous_sign_ins = false
++minimum_password_length = 6
++password_requirements = "lower_upper_letters_digits_symbols"
+
+ [hook]
+ [hook.mfa_verification_attempt]

pkg/config/testdata/TestEmailDiff/local_disabled_remote_enabled.diff

@@ -1,7 +1,7 @@
 diff remote[auth] local[auth]
 --- remote[auth]
 +++ local[auth]
-@@ -49,13 +49,13 @@
+@@ -51,13 +51,13 @@
  inactivity_timeout = "0s"
 
  [email]
@@ -22,7 +22,7 @@ diff remote[auth] local[auth]
  [email.template]
  [email.template.confirmation]
  content_path = ""
-@@ -69,13 +69,6 @@
+@@ -71,13 +71,6 @@
  content_path = ""
  [email.template.recovery]
  content_path = ""

pkg/config/testdata/TestEmailDiff/local_enabled_remote_disabled.diff

@@ -1,7 +1,7 @@
 diff remote[auth] local[auth]
 --- remote[auth]
 +++ local[auth]
-@@ -49,28 +49,43 @@
+@@ -51,28 +51,43 @@
  inactivity_timeout = "0s"
 
  [email]

pkg/config/testdata/TestExternalDiff/local_enabled_and_disabled.diff

@@ -1,7 +1,7 @@
 diff remote[auth] local[auth]
 --- remote[auth]
 +++ local[auth]
-@@ -89,7 +89,7 @@
+@@ -91,7 +91,7 @@
 
  [external]
  [external.apple]
@@ -10,7 +10,7 @@ diff remote[auth] local[auth]
  client_id = "test-client-1,test-client-2"
  secret = "hash:ce62bb9bcced294fd4afe668f8ab3b50a89cf433093c526fffa3d0e46bf55252"
  url = ""
-@@ -145,7 +145,7 @@
+@@ -147,7 +147,7 @@
  redirect_uri = ""
  skip_nonce_check = false
  [external.google]

pkg/config/testdata/TestHookDiff/local_enabled_and_disabled.diff

@@ -1,7 +1,7 @@
 diff remote[auth] local[auth]
 --- remote[auth]
 +++ local[auth]
-@@ -9,7 +9,7 @@
+@@ -11,7 +11,7 @@
 
  [hook]
  [hook.mfa_verification_attempt]
@@ -10,7 +10,7 @@ diff remote[auth] local[auth]
  uri = ""
  secrets = ""
  [hook.password_verification_attempt]
-@@ -17,7 +17,7 @@
+@@ -19,7 +19,7 @@
  uri = ""
  secrets = ""
  [hook.custom_access_token]

pkg/config/testdata/TestMfaDiff/local_enabled_and_disabled.diff

@@ -1,7 +1,7 @@
 diff remote[auth] local[auth]
 --- remote[auth]
 +++ local[auth]
-@@ -30,16 +30,16 @@
+@@ -32,16 +32,16 @@
  secrets = ""
 
  [mfa]

pkg/config/testdata/TestSmsDiff/enable_sign_up_without_provider.diff

@@ -1,7 +1,7 @@
 diff remote[auth] local[auth]
 --- remote[auth]
 +++ local[auth]
-@@ -58,7 +58,7 @@
+@@ -60,7 +60,7 @@
  otp_expiry = 0
 
  [sms]

pkg/config/testdata/TestSmsDiff/local_disabled_remote_enabled.diff

@@ -1,7 +1,7 @@
 diff remote[auth] local[auth]
 --- remote[auth]
 +++ local[auth]
-@@ -58,12 +58,12 @@
+@@ -60,12 +60,12 @@
  otp_expiry = 0
 
  [sms]
@@ -19,7 +19,7 @@ diff remote[auth] local[auth]
  account_sid = ""
  message_service_sid = ""
  auth_token = ""
-@@ -86,8 +86,6 @@
+@@ -88,8 +88,6 @@
  api_key = ""
  api_secret = ""
  [sms.test_otp]

pkg/config/testdata/TestSmsDiff/local_enabled_remote_disabled.diff

@@ -1,7 +1,7 @@
 diff remote[auth] local[auth]
 --- remote[auth]
 +++ local[auth]
-@@ -58,12 +58,12 @@
+@@ -60,12 +60,12 @@
  otp_expiry = 0
 
  [sms]
@@ -19,7 +19,7 @@ diff remote[auth] local[auth]
  account_sid = ""
  message_service_sid = ""
  auth_token = ""
-@@ -73,9 +73,9 @@
+@@ -75,9 +75,9 @@
  message_service_sid = ""
  auth_token = ""
  [sms.messagebird]
@@ -32,7 +32,7 @@ diff remote[auth] local[auth]
  [sms.textlocal]
  enabled = false
  sender = ""
-@@ -86,6 +86,7 @@
+@@ -88,6 +88,7 @@
  api_key = ""
  api_secret = ""
  [sms.test_otp]

pkg/config/testdata/config.toml

@@ -106,6 +106,11 @@ refresh_token_reuse_interval = 10
 enable_signup = true
 # Allow/disallow testing manual linking of accounts
 enable_manual_linking = true
+# Passwords shorter than this value will be rejected as weak. Minimum 6, recommended 8 or more.
+minimum_password_length = 6
+# Passwords that do not meet the following requirements will be rejected as weak. Supported values
+# are: `letters_digits`, `lower_upper_letters_digits`, `lower_upper_letters_digits_symbols`
+password_requirements = ""
 
 [auth.email]
 # Allow/disallow new user signups via email to your project.