fix: Cleanup serialization and hashing code (#14317)

superset/utils/core.py

@@ -19,7 +19,6 @@ import collections
 import decimal
 import errno
 import functools
-import hashlib
 import json
 import logging
 import os
@@ -99,6 +98,7 @@ from superset.exceptions import (
 )
 from superset.typing import FlaskResponse, FormData, Metric
 from superset.utils.dates import datetime_to_epoch, EPOCH
+from superset.utils.hashing import md5_sha_from_str
 
 try:
     from pydruid.utils.having import Having
@@ -484,10 +484,6 @@ def list_minus(l: List[Any], minus: List[Any]) -> List[Any]:
     return [o for o in l if o not in minus]
 
 
-def md5_hex(data: str) -> str:
-    return hashlib.md5(data.encode()).hexdigest()
-
-
 class DashboardEncoder(json.JSONEncoder):
     def __init__(self, *args: Any, **kwargs: Any) -> None:
         super().__init__(*args, **kwargs)
@@ -1381,7 +1377,7 @@ def create_ssl_cert_file(certificate: str) -> str:
     :return: The path to the certificate file
     :raises CertificateException: If certificate is not valid/unparseable
     """
-    filename = f"{hashlib.md5(certificate.encode('utf-8')).hexdigest()}.crt"
+    filename = f"{md5_sha_from_str(certificate)}.crt"
     cert_dir = current_app.config["SSL_CERT_PATH"]
     path = cert_dir if cert_dir else tempfile.gettempdir()
     path = os.path.join(path, filename)