fix: fixed the issue of mismatched spaces in audio MIME types (#17771)

backend/open_webui/routers/files.py

@@ -47,7 +47,7 @@ from open_webui.storage.provider import Storage
 
 from open_webui.utils.auth import get_admin_user, get_verified_user
 from open_webui.utils.access_control import has_access
-
+from open_webui.utils.misc import strict_match_mime_type
 from pydantic import BaseModel
 
 log = logging.getLogger(__name__)
@@ -108,17 +108,9 @@ def process_uploaded_file(request, file, file_path, file_item, file_metadata, us
         if file.content_type:
             stt_supported_content_types = getattr(
                 request.app.state.config, "STT_SUPPORTED_CONTENT_TYPES", []
-            )
+            ) or ["audio/*", "video/webm"]
 
-            if any(
-                fnmatch(file.content_type, content_type)
-                for content_type in (
-                    stt_supported_content_types
-                    if stt_supported_content_types
-                    and any(t.strip() for t in stt_supported_content_types)
-                    else ["audio/*", "video/webm"]
-                )
-            ):
+            if strict_match_mime_type(stt_supported_content_types, file.content_type):
                 file_path = Storage.get_file(file_path)
                 result = transcribe(request, file_path, file_metadata, user)