def _filter_authorized_instances(self, instances, api):
if not instances:
return None
user = authentication.get_user(token=authentication.get_token())
valid_instances = [
i for i in instances if authentication.has_access(
i.name, abort=False, user=user, api=api)
]
if not valid_instances:
authentication.abort_request(user)
return valid_instances
def _filter_authorized_instances(self, instances, api):
if not instances:
return None
# During the period database is not accessible, all the instances are valid for the user.
if not can_connect_to_database():
return instances
user = authentication.get_user(token=authentication.get_token())
valid_instances = [
i for i in instances if authentication.has_access(
i.name, abort=False, user=user, api=api)
]
if not valid_instances:
context = 'User has no access to any instance'
authentication.abort_request(user, context)
return valid_instances
def get_instances(self, name=None, lon=None, lat=None, object_id=None, api='ALL'):
available_instances = []
if name:
if name in self.instances:
available_instances = [self.instances[name]]
elif lon and lat:
available_instances = [self.instances[k] for k in self._all_keys_of_coord(lon, lat)]
elif object_id:
available_instances = [self.instances[k] for k in self._all_keys_of_id(object_id)]
else:
available_instances = self.instances.values()
valid_instances = self._filter_authorized_instances(available_instances, api)
if available_instances and not valid_instances:
#user doesn't have access to any of the instances
authentication.abort_request(user=authentication.get_user())
else:
return valid_instances
def get_regions(self, region_str=None, lon=None, lat=None, object_id=None,
api='ALL', only_one=False):
available_regions = []
if region_str and self.region_exists(region_str):
available_regions = [region_str]
elif lon and lat:
available_regions = self._all_keys_of_coord(lon, lat)
elif object_id:
available_regions = self._all_keys_of_id(object_id)
else:
available_regions = self.instances.keys()
valid_regions = self._filter_authorized_instances(available_regions, api)
if valid_regions:
return choose_best_instance(valid_regions) if only_one else valid_regions
elif available_regions:
authentication.abort_request(user=authentication.get_user())
raise RegionNotFound(region=region_str, lon=lon, lat=lat,
object_id=object_id)
