def update_goods(id):
session = Session()
goods_data = GoodsToUpdate().load(request.json)
original_goods_data = session.query(Goods).filter_by(id=id).one()
for key, value in goods_data.items():
setattr(original_goods_data, key, value)
session.commit()
return jsonify(GoodsData().dump(original_goods_data)), 200
def setUp(self):
session = Session()
query = session.query(Post.id)
self.result = Paginate(query, 1, 10)
self.keys = [
'prev', 'next', 'has_prev', 'has_next', 'size', 'pages', 'total',
'current'
]
def update_customer(id):
session = Session()
customer_data = CustomerToUpdate().load(request.json)
original_customer_data = session.query(Customer).filter_by(id=id).one()
for key, value in customer_data.items():
setattr(original_customer_data, key, value)
session.commit()
return jsonify(CustomerData().dump(original_customer_data)), 200
def create_buy():
buy_data = BuyGoodsData().load(request.json)
session = Session()
goods = session.query(Goods).filter_by(
id=int(buy_data.get("g_id"))).first()
if (goods.status - int(buy_data.get("quantity"))) >= 0:
buy = func.create_entry(Buy, **buy_data)
goods.update(
{Goods.status: goods.status - int(buy_data.get("quantity"))})
else:
return jsonify({"Error": "request not available"}), 400
session.commit()
return jsonify(BuyGoodsData().dump(buy))
class AuthUtils():
def __init__(self):
self.session = Session()
def get_logged_in(self):
"""Get the logged user if the given token is valid, otherwise, return False."""
token = request.headers.get('Authorization')
if token:
try:
access = decode_token(token)
if 'identity' in access:
identity = access['identity']
if 'id' in identity and 'login' in identity and 'role' in identity:
user = self.session.query(User).filter_by(
login=identity['login']).first()
if user:
return {'user': user, 'access': access}
except Exception as e:
return False
return False
def get_authorized_passport(self,
from_where='Authorization',
verify_blacklist=True,
token_key='token'):
"""Get the authorized user based on the given token. This can come from Authorization or Request."""
token: None
if from_where == 'Authorization':
token = request.headers.get('Authorization')
elif from_where == 'Request':
data = request.get_json()
if token_key in data and data[token_key] != '':
token = data[token_key]
else:
raise BadRequestError('Invalid resource origin.')
if token:
if verify_blacklist:
blacklist = self.session.query(
Blacklist.id).filter_by(value=token).first()
if blacklist:
raise NotAuthorizedError('Token revoked.')
try:
access = decode_token(token)
if 'identity' in access:
identity = access['identity']
if 'id' in identity and 'login' in identity and 'role' in identity:
user = self.session.query(User).filter_by(
login=identity['login']).first()
if user:
return {'user': user, 'access': access}
else:
raise NotFoundError('No user found.')
else:
raise BadRequestError('Invalid identity.')
else:
raise BadRequestError('Invalid Token.')
except Exception as e:
raise NotAuthorizedError('Token already expired.')
else:
raise NotAuthorizedError('No Token send.')
def verify_capabilities(self,
capabilities,
capability_type=None,
permission=None,
owner_id=None,
user_id=None,
new_owner_id=None,
post_type_id=None):
"""Verify from the given capabilities if it matches with the given capability type and permission."""
has_comparators = False
if owner_id and user_id:
has_comparators = True
# verify the post type id
for capability in capabilities:
the_type = getattr(capability, 'type')
the_target = getattr(capability, 'target_id')
if the_type == 'specific-post-type':
if post_type_id and not the_target:
raise NotAuthorizedError('The target id must be sent.')
return True
if post_type_id and post_type_id != the_target:
raise NotAuthorizedError(
'You cannot access elements that belongs to this post type.'
)
return True
for capability in capabilities:
if capability_type == getattr(capability, 'type') and getattr(
capability, permission) == True and getattr(
capability, 'only_themselves') == False:
return True
elif capability_type == getattr(capability, 'type') and getattr(
capability, permission) == True and has_comparators:
if new_owner_id and owner_id != new_owner_id:
raise NotAuthorizedError(
'You cannot change the owner ID of this element.')
return True
if owner_id != user_id:
raise NotAuthorizedError(
'You only can access your own element by this action.')
return True
return True
elif capability_type == getattr(capability, 'type') and getattr(
capability, permission) == True:
return True
raise NotAuthorizedError(
'Your profile does not has permission to access this resource.')
class AuthController(Resource):
"""This flask_restful API's Resource works like a controller to AuthRepository."""
def __init__(self):
self.session = Session()
def post(self):
"""Sets the available endpoints to deal with Tokens."""
if str(request.url_rule) == '/api/get-token':
return self._get_token()
elif str(request.url_rule) == '/api/refresh-token':
return self._refresh_token()
elif str(request.url_rule) == '/api/revoke-token':
return self._revoke_token()
elif str(request.url_rule) == '/api/test-token':
return self._test_token()
return ErrorHandler().get_error(405, 'Method not allowed.')
def _get_token(self):
"""Gets the Token and Refresh Token to valid user."""
data = request.get_json()
if 'login' in data and 'password' in data and data[
'login'] != '' and data['password'] != '':
user = self.session.query(User).filter_by(
login=data['login']).first()
if user:
if bcrypt.check_password_hash(user.password, data['password']):
user_identity = {
'id': user.id,
'login': user.login,
'role': user.role.name
}
try:
token = create_access_token(identity=user_identity)
refresh_token = create_refresh_token(
identity=user_identity)
user.refresh_token = refresh_token
self.session.commit()
return {
'access_token': token,
'refresh_token': refresh_token
}, 200
except Exception as e:
return ErrorHandler().get_error(
500, 'Error to process your login.')
else:
return ErrorHandler().get_error(401,
'Invalid credencials.')
else:
return ErrorHandler().get_error(401, 'Invalid credencials.')
else:
return ErrorHandler().get_error(
400, 'Insufficient data to authenticate.')
def _refresh_token(self):
"""Refreshes the Token by the given Refresh Token only if it is valid yet."""
def fn():
passport = AuthUtils().get_authorized_passport(
from_where='Request',
verify_blacklist=False,
token_key='refresh_token')
print(passport)
data = request.get_json()
if passport['user'].refresh_token == data['refresh_token']:
try:
token = create_access_token(
identity=passport['access']['identity'])
refresh_token = create_refresh_token(
identity=passport['access']['identity'])
passport['user'].refresh_token = refresh_token
self.session.commit()
return {
'access_token': token,
'refresh_token': refresh_token
}, 200
except Exception as e:
print(e)
return ErrorHandler().get_error(
500, 'Error to process the token refreshing.')
else:
return ErrorHandler().get_error(
401, 'The given Refresh Token is not available.')
return self.run_if_not_raise(fn)
def _revoke_token(self):
"""Revokes the given Token by adding it into a blacklist and empties the user Refresh Token."""
def fn():
passport = AuthUtils().get_authorized_passport(
from_where='Request', verify_blacklist=True)
if not passport['user'].refresh_token or passport[
'user'].refresh_token == '':
return ErrorHandler().get_error(401, 'Token already revoked.')
try:
data = request.get_json()
passport['user'].refresh_token = None
blacklist = Blacklist(type='token',
value=data['token'],
target='auth')
self.session.add(blacklist)
self.session.commit()
return {'message': 'Token revoked successfully.'}, 200
except Exception as e:
self.session.rollback()
return ErrorHandler().get_error(
500, 'Error to process the token revoking.')
return self.run_if_not_raise(fn)
def _test_token(self):
"""Just a endpoint to test the given Token sent by request header into the Authorization key."""
def fn():
passport = AuthUtils().get_authorized_passport()
schema = UserSchema(many=False,
exclude=('password', 'refresh_token', 'medias',
'socials'))
return {
'user': schema.dump(passport['user']),
'access': passport['access']
}, 200
return self.run_if_not_raise(fn)
def run_if_not_raise(self, fn):
"""Catch exception if it occurs, if not, execute the given function."""
try:
return fn()
except NotAuthorizedError as e:
return ErrorHandler().get_error(401, str(e))
except BadRequestError as e:
return ErrorHandler().get_error(400, str(e))
except NotFoundError as e:
return ErrorHandler().get_error(404, str(e))
except Exception as e:
return ErrorHandler().get_error(500, str(e))
def list_goods(*filters):
session = Session()
return (session.query(Goods).all())
def get_entry_by_id(model_class, id, **kwargs):
session = Session()
return session.query(model_class).filter_by(id=id, **kwargs).one()
def delete_entry(model_class, id, *, commit=True):
session = Session()
session.query(model_class).filter_by(id=id).delete()
session.commit()
