Feat: add meta data filter. (#9405)

### What problem does this PR solve?

#8531 
#7417 
#6761 
#6573
#6477

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

rag/utils/s3_conn.py

@@ -190,3 +190,17 @@ class RAGFlowS3:
                 self.__open__()
                 time.sleep(1)
         return
+
+    @use_prefix_path
+    @use_default_bucket
+    def rm_bucket(self, bucket, *args, **kwargs):
+        for conn in self.conn:
+            try:
+                if not conn.bucket_exists(bucket):
+                    continue
+                for o in conn.list_objects_v2(Bucket=bucket):
+                    conn.delete_object(bucket, o.object_name)
+                conn.delete_bucket(Bucket=bucket)
+                return
+            except Exception as e:
+                logging.error(f"Fail rm {bucket}: " + str(e))