From dc5f08ba1c5613ee8001e27ffb2952e3dcedb5b7 Mon Sep 17 00:00:00 2001
From: Clanky <sergeyafomenko@gmail.com>
Date: Mon, 13 Apr 2026 07:39:47 +0300
Subject: [PATCH] update email validation

regex email validation check
---
 auth_backend/auth_plugins/email.py | 35 +++++-------------------------
 1 file changed, 5 insertions(+), 30 deletions(-)

diff --git a/auth_backend/auth_plugins/email.py b/auth_backend/auth_plugins/email.py
index abf0b3c2..5fe1aedb 100644
--- a/auth_backend/auth_plugins/email.py
+++ b/auth_backend/auth_plugins/email.py
@@ -1,5 +1,6 @@
 import hashlib
 import logging
+import re 
 from typing import Annotated, Self
 
 from annotated_types import MinLen
@@ -26,38 +27,12 @@
 settings = get_settings()
 logger = logging.getLogger(__name__)
 
+EMAIL_CONST_REGEX = re.compile(
+    r'^[a-zA-Z0-9_.+\-%]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9\-.]+$')
 
 def check_email(v):
-    restricted: set[str] = {
-        '"',
-        '#',
-        '&',
-        "'",
-        '(',
-        ')',
-        '*',
-        ',',
-        '/',
-        ';',
-        '<',
-        '>',
-        '?',
-        '[',
-        '\\',
-        ']',
-        '^',
-        '`',
-        '{',
-        '|',
-        '}',
-        '~',
-        '\n',
-        '\r',
-    }
-    if "@" not in v:
-        raise ValueError()
-    if set(v) & restricted:
-        raise ValueError()
+    if not EMAIL_REGEX.match(v):
+        raise ValueError("Неверный формат email")
     return v