app-MAIL-temp/app/pw_models.py

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import bcrypt
import sqlalchemy as sa
import unicodedata
_NORMALIZATION_FORM = "NFKC"
class PasswordOracle:
password = sa.Column(sa.String(128), nullable=True)
def set_password(self, password):
password = unicodedata.normalize(_NORMALIZATION_FORM, password)
salt = bcrypt.gensalt()
self.password = bcrypt.hashpw(password.encode(), salt).decode()
def check_password(self, password) -> bool:
if not self.password:
return False
password = unicodedata.normalize(_NORMALIZATION_FORM, password)
return bcrypt.checkpw(password.encode(), self.password.encode())