flaschengeist/flaschengeist/models/session.py

48 lines
1.4 KiB
Python

from datetime import datetime, timedelta, timezone
from secrets import compare_digest
from ..database import db
from ..database.types import ModelSerializeMixin, UtcDateTime, Serial
from flaschengeist import logger
class Session(db.Model, ModelSerializeMixin):
"""Model for a Session
Args:
expires: Is a Datetime from current Time.
user: Is an User.
token: String to verify access later.
"""
__tablename__ = "session"
expires: datetime = db.Column(UtcDateTime)
token: str = db.Column(db.String(32), unique=True)
lifetime: int = db.Column(db.Integer)
browser: str = db.Column(db.String(127))
platform: str = db.Column(db.String(64))
userid: str = ""
_id = db.Column("id", Serial, primary_key=True)
_user_id = db.Column("user_id", Serial, db.ForeignKey("user.id"))
user_: "User" = db.relationship("User", back_populates="sessions_")
@property
def userid(self):
return self.user_.userid
def refresh(self):
"""Update the Timestamp
Update the Timestamp to the current Time.
"""
logger.debug("update timestamp from session with token {{ {} }}".format(self.token))
self.expires = datetime.now(timezone.utc) + timedelta(seconds=self.lifetime)
def __eq__(self, token):
if isinstance(token, str):
return compare_digest(self.token, token)
else:
return super(Session, self).__eq__(token)