feat(app):

- add email service
- fix security problem

src/retk/core/account/app_captcha.py

@@ -1,8 +1,8 @@
-from collections import OrderedDict
+from collections import OrderedDict as OD
 from datetime import datetime
 from io import BytesIO
 from random import choices
-from typing import Tuple, Dict
+from typing import Tuple, Dict, OrderedDict
 
 from captcha.audio import AudioCaptcha
 from captcha.image import ImageCaptcha
@@ -19,7 +19,7 @@
 alphabet_len = len(alphabet)
 code_idx_range = list(range(0, alphabet_len - 1))
 
-cache_captcha: OrderedDict[str, Tuple[datetime, str]] = OrderedDict()
+cache_captcha: OrderedDict[str, Tuple[datetime, str]] = OD()
 
 
 def generate(length: int = 4, sound: bool = False) -> Tuple[str, Dict[str, BytesIO]]:

src/retk/core/account/email.py

@@ -1,6 +1,6 @@
-from collections import OrderedDict
+from collections import OrderedDict as OD
 from datetime import datetime
-from typing import List, Dict, Tuple
+from typing import List, Dict, Tuple, OrderedDict
 
 from retk import const, config, regex, utils
 from retk.core import scheduler
@@ -64,7 +64,7 @@ def _send(self, recipients: List[str], subject: str, template_id: int, values: D
 
 email_server = EmailServer()
 
-cache_email: OrderedDict[str, Tuple[datetime, str]] = OrderedDict()
+cache_email: OrderedDict[str, Tuple[datetime, str]] = OD()
 
 
 def encode_number(number: str, expired_min: int) -> str:

src/retk/core/utils/cached_verification.py

@@ -1,6 +1,5 @@
-from collections import OrderedDict
 from datetime import timedelta, datetime
-from typing import Tuple
+from typing import Tuple, OrderedDict
 
 from retk import const
 from retk.utils.auth import short_uuid