feat/enh: tool server function name filter list

backend/open_webui/retrieval/web/utils.py

@@ -42,7 +42,7 @@ from open_webui.config import (
     WEB_FETCH_FILTER_LIST,
 )
 from open_webui.env import SRC_LOG_LEVELS
-
+from open_webui.utils.misc import is_string_allowed
 
 log = logging.getLogger(__name__)
 log.setLevel(SRC_LOG_LEVELS["RAG"])
@@ -59,39 +59,6 @@ def resolve_hostname(hostname):
     return ipv4_addresses, ipv6_addresses
 
 
-def get_allow_block_lists(filter_list):
-    allow_list = []
-    block_list = []
-
-    if filter_list:
-        for d in filter_list:
-            if d.startswith("!"):
-                # Domains starting with "!" → blocked
-                block_list.append(d[1:])
-            else:
-                # Domains starting without "!" → allowed
-                allow_list.append(d)
-
-    return allow_list, block_list
-
-
-def is_string_allowed(string: str, filter_list: Optional[list[str]] = None) -> bool:
-    if not filter_list:
-        return True
-
-    allow_list, block_list = get_allow_block_lists(filter_list)
-    # If allow list is non-empty, require domain to match one of them
-    if allow_list:
-        if not any(string.endswith(allowed) for allowed in allow_list):
-            return False
-
-    # Block list always removes matches
-    if any(string.endswith(blocked) for blocked in block_list):
-        return False
-
-    return True
-
-
 def validate_url(url: Union[str, Sequence[str]]):
     if isinstance(url, str):
         if isinstance(validators.url(url), validators.ValidationError):