feat: enable dsl export encrypt dataset id or not (#25102)

Signed-off-by: kenwoodjw <blackxin55+@gmail.com>

api/services/app_dsl_service.py

@@ -17,6 +17,7 @@ from pydantic import BaseModel, Field
 from sqlalchemy import select
 from sqlalchemy.orm import Session
 
+from configs import dify_config
 from core.helper import ssrf_proxy
 from core.model_runtime.utils.encoders import jsonable_encoder
 from core.plugin.entities.plugin import PluginDependency
@@ -786,7 +787,10 @@ class AppDslService:
 
     @classmethod
     def encrypt_dataset_id(cls, dataset_id: str, tenant_id: str) -> str:
-        """Encrypt dataset_id using AES-CBC mode"""
+        """Encrypt dataset_id using AES-CBC mode or return plain text based on configuration"""
+        if not dify_config.DSL_EXPORT_ENCRYPT_DATASET_ID:
+            return dataset_id
+
         key = cls._generate_aes_key(tenant_id)
         iv = key[:16]
         cipher = AES.new(key, AES.MODE_CBC, iv)
@@ -795,12 +799,34 @@ class AppDslService:
 
     @classmethod
     def decrypt_dataset_id(cls, encrypted_data: str, tenant_id: str) -> str | None:
-        """AES decryption"""
+        """AES decryption with fallback to plain text UUID"""
+        # First, check if it's already a plain UUID (not encrypted)
+        if cls._is_valid_uuid(encrypted_data):
+            return encrypted_data
+
+        # If it's not a UUID, try to decrypt it
         try:
             key = cls._generate_aes_key(tenant_id)
             iv = key[:16]
             cipher = AES.new(key, AES.MODE_CBC, iv)
             pt = unpad(cipher.decrypt(base64.b64decode(encrypted_data)), AES.block_size)
-            return pt.decode()
+            decrypted_text = pt.decode()
+
+            # Validate that the decrypted result is a valid UUID
+            if cls._is_valid_uuid(decrypted_text):
+                return decrypted_text
+            else:
+                # If decrypted result is not a valid UUID, it's probably not our encrypted data
+                return None
         except Exception:
+            # If decryption fails completely, return None
             return None
+
+    @staticmethod
+    def _is_valid_uuid(value: str) -> bool:
+        """Check if string is a valid UUID format"""
+        try:
+            uuid.UUID(value)
+            return True
+        except (ValueError, TypeError):
+            return False