feat: support ssl enforcement config (#4700)

Author: sweatybridge

pkg/config/db.go

@@ -75,6 +75,10 @@ type (
 		AllowedCidrsV6 []string `toml:"allowed_cidrs_v6"`
 	}
 
+	sslEnforcement struct {
+		Enabled bool `toml:"enabled"`
+	}
+
 	db struct {
 		Image               string              `toml:"-"`
 		Port                uint16              `toml:"port"`
@@ -88,6 +92,7 @@ type (
 		Seed                seed                `toml:"seed"`
 		Settings            settings            `toml:"settings"`
 		NetworkRestrictions networkRestrictions `toml:"network_restrictions"`
+		SslEnforcement      *sslEnforcement     `toml:"ssl_enforcement"`
 		Vault               map[string]Secret   `toml:"vault"`
 	}
 
@@ -233,3 +238,31 @@ func (n *networkRestrictions) DiffWithRemote(remoteConfig v1API.NetworkRestricti
 	}
 	return diff.Diff("remote[db.network_restrictions]", remoteCompare, "local[db.network_restrictions]", currentValue), nil
 }
+
+func (s sslEnforcement) ToUpdateSslEnforcementBody() v1API.V1UpdateSslEnforcementConfigJSONRequestBody {
+	body := v1API.V1UpdateSslEnforcementConfigJSONRequestBody{}
+	body.RequestedConfig.Database = s.Enabled
+	return body
+}
+
+func (s *sslEnforcement) FromRemoteSslEnforcement(remoteConfig v1API.SslEnforcementResponse) {
+	if s == nil {
+		return
+	}
+	s.Enabled = remoteConfig.CurrentConfig.Database
+}
+
+func (s *sslEnforcement) DiffWithRemote(remoteConfig v1API.SslEnforcementResponse) ([]byte, error) {
+	copy := *s
+	// Convert the config values into easily comparable remoteConfig values
+	currentValue, err := ToTomlBytes(copy)
+	if err != nil {
+		return nil, err
+	}
+	copy.FromRemoteSslEnforcement(remoteConfig)
+	remoteCompare, err := ToTomlBytes(copy)
+	if err != nil {
+		return nil, err
+	}
+	return diff.Diff("remote[db.ssl_enforcement]", remoteCompare, "local[db.ssl_enforcement]", currentValue), nil
+}

pkg/config/templates/config.toml

@@ -74,6 +74,10 @@ allowed_cidrs = ["0.0.0.0/0"]
 # Defaults to allow all IPv6 connections. Set empty array to block all IPs.
 allowed_cidrs_v6 = ["::/0"]
 
+# Uncomment to reject non-secure connections to the database.
+# [db.ssl_enforcement]
+# enabled = true
+
 [realtime]
 enabled = true
 # Bind realtime via either IPv4 or IPv6. (default: IPv4)

pkg/config/testdata/config.toml

@@ -74,6 +74,10 @@ allowed_cidrs = ["0.0.0.0/0"]
 # Defaults to allow all IPv6 connections. Set empty array to block all IPs.
 allowed_cidrs_v6 = ["::/0"]
 
+# Uncomment to reject non-secure connections to the database.
+[db.ssl_enforcement]
+enabled = true
+
 [realtime]
 enabled = true
 # Bind realtime via either IPv4 or IPv6. (default: IPv6)

pkg/config/updater.go

@@ -100,6 +100,9 @@ func (u *ConfigUpdater) UpdateDbConfig(ctx context.Context, projectRef string, c
 	if err := u.UpdateDbNetworkRestrictionsConfig(ctx, projectRef, c.NetworkRestrictions, filter...); err != nil {
 		return err
 	}
+	if c.SslEnforcement != nil {
+		return u.UpdateSslEnforcement(ctx, projectRef, *c.SslEnforcement, filter...)
+	}
 	return nil
 }
 
@@ -132,6 +135,35 @@ func (u *ConfigUpdater) UpdateDbNetworkRestrictionsConfig(ctx context.Context, p
 	return nil
 }
 
+func (u *ConfigUpdater) UpdateSslEnforcement(ctx context.Context, projectRef string, s sslEnforcement, filter ...func(string) bool) error {
+	sslEnforcementConfig, err := u.client.V1GetSslEnforcementConfigWithResponse(ctx, projectRef)
+	if err != nil {
+		return errors.Errorf("failed to read SSL enforcement config: %w", err)
+	} else if sslEnforcementConfig.JSON200 == nil {
+		return errors.Errorf("unexpected status %d: %s", sslEnforcementConfig.StatusCode(), string(sslEnforcementConfig.Body))
+	}
+	sslEnforcementDiff, err := s.DiffWithRemote(*sslEnforcementConfig.JSON200)
+	if err != nil {
+		return err
+	} else if len(sslEnforcementDiff) == 0 {
+		fmt.Fprintln(os.Stderr, "Remote DB SSL enforcement config is up to date.")
+		return nil
+	}
+	fmt.Fprintln(os.Stderr, "Updating SSL enforcement with config:", string(sslEnforcementDiff))
+	for _, keep := range filter {
+		if !keep("db") {
+			return nil
+		}
+	}
+	updateBody := s.ToUpdateSslEnforcementBody()
+	if resp, err := u.client.V1UpdateSslEnforcementConfigWithResponse(ctx, projectRef, updateBody); err != nil {
+		return errors.Errorf("failed to update SSL enforcement config: %w", err)
+	} else if resp.JSON200 == nil {
+		return errors.Errorf("unexpected status %d: %s", resp.StatusCode(), string(resp.Body))
+	}
+	return nil
+}
+
 func (u *ConfigUpdater) UpdateAuthConfig(ctx context.Context, projectRef string, c auth, filter ...func(string) bool) error {
 	if !c.Enabled {
 		return nil