implement password change

ldap_frontend/helpers/ldap.py

@@ -3,8 +3,15 @@ from json import load
 from os import environ
 
 from flask import redirect, session, url_for
-from ldap3 import ALL, ALL_ATTRIBUTES, MODIFY_REPLACE, Connection, Server
+from ldap3 import (
+    ALL_ATTRIBUTES,
+    HASHED_SALTED_SHA512,
+    MODIFY_REPLACE,
+    Connection,
+    Server,
+)
 from ldap3.core.exceptions import LDAPException
+from ldap3.utils.hashed import hashed
 
 with open(environ["APP_CONFIG"]) as f:
     APP_CONFIG = load(f)
@@ -112,5 +119,15 @@ def update_user(ldap, username, settings):
     )
 
 
+def update_user_password(ldap, username, password):
+    return update_user(
+        ldap,
+        username,
+        {
+            "userPassword": hashed(HASHED_SALTED_SHA512, password),
+        },
+    )
+
+
 class UserNotFoundException(Exception):
     pass