feat: add change password

src/application/domain/password_policy.py

@@ -0,0 +1,21 @@
+import re
+
+SPECIAL_CHARS = '!@#$%^&*()_+-=.,:;?/[]{}<>'
+
+
+def validate_password_strength(password: str) -> str:
+    if re.search(r'\s', password):
+        raise ValueError('Password must not contain whitespace')
+    if len(password) < 12:
+        raise ValueError('Password must be at least 12 characters')
+    if not re.search(r'[a-z]', password):
+        raise ValueError('Password must contain at least one lowercase letter')
+    if not re.search(r'[A-Z]', password):
+        raise ValueError('Password must contain at least one uppercase letter')
+    if not re.search(r'\d', password):
+        raise ValueError('Password must contain at least one digit')
+    if not any(c in SPECIAL_CHARS for c in password):
+        raise ValueError(
+            'Password must contain at least one special character from: !@#$%^&*()_+-=.,:;?/[]{}<>'
+        )
+    return password