Replace farmhash to hashlib

Author: Varun Rathore

.pylintrc

@@ -32,7 +32,7 @@ unsafe-load-any-extension=no
 # A comma-separated list of package or module names from where C extensions may
 # be loaded. Extensions are loading into the active Python interpreter and may
 # run arbitrary code
-extension-pkg-whitelist= farmhash
+extension-pkg-whitelist= 
 
 # Allow optimization of some AST trees. This will activate a peephole AST
 # optimizer, which will apply various small optimizations. For instance, it can

firebase_admin/remote_config.py

@@ -21,7 +21,7 @@
 from typing import Dict, Optional, Literal, Callable, Union
 from enum import Enum
 import re
-import farmhash
+import hashlib
 from firebase_admin import App, _http_client, _utils
 import firebase_admin
 
@@ -392,7 +392,9 @@ def hash_seeded_randomization_id(self, seeded_randomization_id: str) -> int:
         Returns:
           The hashed value.
         """
-        hash64 = farmhash.fingerprint64(seeded_randomization_id)
+        hash_object = hashlib.sha256()
+        hash_object.update(seeded_randomization_id)
+        hash64 = hash_object.hexdigest()
         return abs(hash64)
     def evaluate_custom_signal_condition(self, custom_signal_condition,
                                          context) -> bool:

requirements.txt

@@ -11,5 +11,4 @@ google-api-core[grpc] >= 1.22.1, < 3.0.0dev; platform.python_implementation != '
 google-api-python-client >= 1.7.8
 google-cloud-firestore >= 2.9.1; platform.python_implementation != 'PyPy'
 google-cloud-storage >= 1.37.1
-pyjwt[crypto] >= 2.5.0
-pyfarmhash >= 0.4.0
+pyjwt[crypto] >= 2.5.0