Files
notifications-api/app/dao/tokens_dao.py
2016-01-14 11:30:45 +00:00

52 lines
1.7 KiB
Python

from flask import current_app
from itsdangerous import URLSafeSerializer
from app import db
from app.models import Token
def save_model_token(token, update_dict={}):
if update_dict:
del update_dict['id']
db.session.query(Token).filter_by(id=token.id).update(update_dict)
else:
token.token = _generate_token()
db.session.add(token)
db.session.commit()
def get_model_tokens(service_id=None, raise_=True):
"""
:param raise_: when True query tokens using one() which will raise NoResultFound exception
when False query tokens usong first() which will return None and not raise an exception.
"""
if service_id:
# If expiry date is None the token is active
if raise_:
return Token.query.filter_by(service_id=service_id, expiry_date=None).one()
else:
return Token.query.filter_by(service_id=service_id, expiry_date=None).first()
return Token.query.filter_by().all()
def get_unsigned_token(service_id):
"""
There should only be one valid token for each service.
This method can only be exposed to the Authentication of the api calls.
"""
token = Token.query.filter_by(service_id=service_id, expiry_date=None).one()
return _get_token(token.token)
def _generate_token(token=None):
import uuid
if not token:
token = uuid.uuid4()
serializer = URLSafeSerializer(current_app.config.get('SECRET_KEY'))
return serializer.dumps(str(token), current_app.config.get('DANGEROUS_SALT'))
def _get_token(token):
serializer = URLSafeSerializer(current_app.config.get('SECRET_KEY'))
return serializer.loads(token, salt=current_app.config.get('DANGEROUS_SALT'))