첫 커밋: 로컬 프로젝트 업로드

baron-sso/backend/internal/validator/schema_validator.go

@@ -0,0 +1,62 @@
+package validator
+
+import (
+	"baron-sso-backend/internal/domain"
+	"fmt"
+	"reflect"
+	"strings"
+)
+
+// ValidateIDPCompatibility checks if the provided IDP supports all required fields defined in the BrokerUser model.
+func ValidateIDPCompatibility(brokerModel any, idp domain.IdentityProvider) error {
+	metadata, err := idp.GetMetadata()
+	if err != nil {
+		return fmt.Errorf("failed to fetch metadata from IDP %s: %w", idp.Name(), err)
+	}
+
+	supportedMap := make(map[string]bool)
+	for _, f := range metadata.SupportedFields {
+		supportedMap[f] = true
+	}
+
+	t := reflect.TypeOf(brokerModel)
+	if t.Kind() == reflect.Pointer {
+		t = t.Elem()
+	}
+
+	for field := range t.Fields() {
+		field := field
+
+		// Check "required" tag
+		isRequired := field.Tag.Get("required") == "true"
+		jsonTag := field.Tag.Get("json")
+		fieldName := strings.Split(jsonTag, ",")[0]
+
+		// Skip if fieldName is empty or if it's the Attributes map (handled separately)
+		if fieldName == "" {
+			continue
+		}
+
+		if fieldName != "attributes" {
+			if isRequired && !supportedMap[fieldName] {
+				return fmt.Errorf("IDP %s does not support required field: %s", idp.Name(), fieldName)
+			}
+		}
+
+		// Check "required_keys" tag for map types (Custom Attributes)
+		if fieldName == "attributes" {
+			reqKeys := field.Tag.Get("required_keys")
+			if reqKeys != "" {
+				keys := strings.SplitSeq(reqKeys, ",")
+				for key := range keys {
+					key = strings.TrimSpace(key)
+					if !supportedMap[key] {
+						return fmt.Errorf("IDP %s does not support required custom attribute: %s", idp.Name(), key)
+					}
+				}
+			}
+		}
+	}
+
+	return nil
+}