wha

py/db.py

@@ -0,0 +1,41 @@
+import json
+import hashlib
+
+
+class DB:
+    def __init__(self):
+        self.database = {}
+
+    def _hash_password(self, password: str) -> str:
+        salt = "your_secret_salt"
+        hashed_password = hashlib.sha256((password + salt).encode()).hexdigest()
+        return hashed_password
+
+    def add_user(self, username: str, password: str) -> None:
+        hashed_password = self._hash_password(password)
+        user_data = {"hashed_password": hashed_password}
+        self.database[username] = user_data
+
+    def update_password(self, username: str, old_password: str, new_password: str) -> bool:
+        if not self.check_credentials(username, old_password):
+            return False
+
+        hashed_new_password = self._hash_password(new_password)
+        self.database[username].update({"hashed_password": hashed_new_password})
+        return True
+
+    def check_credentials(self, username: str, password: str) -> bool:
+        if username not in self.database:
+            return False
+
+        stored_hashed_password = self.database[username]["hashed_password"]
+        entered_hashed_password = self._hash_password(password)
+        return stored_hashed_password == entered_hashed_password
+
+    def get_additional_info(self, username: str, password: str) -> dict | None:
+        if not self.check_credentials(username, password):
+            return None
+
+        send_back = self.database[username]
+        del send_back['hashed_password']
+        return send_back