Files
notifications-admin/app/models/user.py
Chris Hill-Scott e04b2b5631 Split models to prevent circular imports
This commit is the first step to disentangling the models from the API
clients. With the models in the same folder as the API clients it makes
it hard to import the API clients within the model without getting a
circular import.

After this commit the user API clients still has this problem, but at
least the service API client doesn’t.
2018-10-30 15:01:36 +00:00

267 lines
9.6 KiB
Python

from itertools import chain
from flask import request, session
from flask_login import AnonymousUserMixin, UserMixin
roles = {
'send_messages': ['send_texts', 'send_emails', 'send_letters'],
'manage_templates': ['manage_templates'],
'manage_service': ['manage_users', 'manage_settings'],
'manage_api_keys': ['manage_api_keys'],
'view_activity': ['view_activity'],
}
# same dict as above, but flipped round
roles_by_permission = {
permission: next(
role for role, permissions in roles.items() if permission in permissions
) for permission in chain(*list(roles.values()))
}
all_permissions = set(roles_by_permission.values())
permissions = (
('view_activity', 'See dashboard'),
('send_messages', 'Send messages'),
('manage_templates', 'Add and edit templates'),
('manage_service', 'Manage settings, team and usage'),
('manage_api_keys', 'Manage API integration'),
)
def _get_service_id_from_view_args():
return request.view_args.get('service_id', None)
def _get_org_id_from_view_args():
return request.view_args.get('org_id', None)
def translate_permissions_from_db_to_admin_roles(permissions):
"""
Given a list of database permissions, return a set of roles
look them up in roles_by_permission, falling back to just passing through from the api if they aren't in the dict
"""
return {roles_by_permission.get(permission, permission) for permission in permissions}
def translate_permissions_from_admin_roles_to_db(permissions):
"""
Given a list of admin roles (ie: checkboxes on a permissions edit page for example), return a set of db permissions
Looks them up in the roles dict, falling back to just passing through if they're not recognised.
"""
return set(chain.from_iterable(roles.get(permission, [permission]) for permission in permissions))
class User(UserMixin):
def __init__(self, fields, max_failed_login_count=3):
self.id = fields.get('id')
self.name = fields.get('name')
self.email_address = fields.get('email_address')
self.mobile_number = fields.get('mobile_number')
self.password_changed_at = fields.get('password_changed_at')
self._set_permissions(fields.get('permissions', {}))
self.auth_type = fields.get('auth_type')
self.failed_login_count = fields.get('failed_login_count')
self.state = fields.get('state')
self.max_failed_login_count = max_failed_login_count
self.logged_in_at = fields.get('logged_in_at')
self.platform_admin = fields.get('platform_admin')
self.current_session_id = fields.get('current_session_id')
self.services = fields.get('services', [])
self.organisations = fields.get('organisations', [])
def _set_permissions(self, permissions_by_service):
"""
Permissions is a dict {'service_id': ['permission a', 'permission b', 'permission c']}
The api currently returns some granular permissions that we don't set or use separately (but may want
to in the future):
* send_texts, send_letters and send_emails become send_messages
* manage_user and manage_settings become
users either have all three permissions for a service or none of them, they're not helpful to distinguish
between on the front end. So lets collapse them into "send_messages" and "manage_service". If we want to split
them out later, we'll need to rework this function.
"""
self._permissions = {
service: translate_permissions_from_db_to_admin_roles(permissions)
for service, permissions
in permissions_by_service.items()
}
def get_id(self):
return self.id
def logged_in_elsewhere(self):
# if the current user (ie: db object) has no session, they've never logged in before
return self.current_session_id is not None and session.get('current_session_id') != self.current_session_id
@property
def is_active(self):
return self.state == 'active'
@property
def is_authenticated(self):
return (
not self.logged_in_elsewhere() and
super(User, self).is_authenticated
)
@property
def permissions(self):
return self._permissions
@permissions.setter
def permissions(self, permissions):
raise AttributeError("Read only property")
def has_permissions(self, *permissions, restrict_admin_usage=False):
unknown_permissions = set(permissions) - all_permissions
if unknown_permissions:
raise TypeError('{} are not valid permissions'.format(list(unknown_permissions)))
# Service id is always set on the request for service specific views.
service_id = _get_service_id_from_view_args()
org_id = _get_org_id_from_view_args()
if not service_id and not org_id:
# we shouldn't have any pages that require permissions, but don't specify a service or organisation.
# use @user_is_platform_admin for platform admin only pages
raise NotImplementedError
# platform admins should be able to do most things (except eg send messages, or create api keys)
if self.platform_admin and not restrict_admin_usage:
return True
if org_id:
return org_id in self.organisations
if not permissions:
return service_id in self._permissions
if service_id:
return any(x in self._permissions.get(service_id, []) for x in permissions)
def has_permission_for_service(self, service_id, permission):
return permission in self._permissions.get(service_id, [])
def is_locked(self):
return self.failed_login_count >= self.max_failed_login_count
def serialize(self):
dct = {
"id": self.id,
"name": self.name,
"email_address": self.email_address,
"mobile_number": self.mobile_number,
"password_changed_at": self.password_changed_at,
"state": self.state,
"failed_login_count": self.failed_login_count,
"permissions": [x for x in self._permissions],
"organisations": self.organisations,
"current_session_id": self.current_session_id
}
if hasattr(self, '_password'):
dct['password'] = self._password
return dct
def set_password(self, pwd):
self._password = pwd
class InvitedUser(object):
def __init__(self, id, service, from_user, email_address, permissions, status, created_at, auth_type):
self.id = id
self.service = str(service)
self.from_user = from_user
self.email_address = email_address
if isinstance(permissions, list):
self.permissions = permissions
else:
if permissions:
self.permissions = permissions.split(',')
else:
self.permissions = []
self.status = status
self.created_at = created_at
self.auth_type = auth_type
self.permissions = translate_permissions_from_db_to_admin_roles(self.permissions)
def has_permissions(self, *permissions):
if self.status == 'cancelled':
return False
return set(self.permissions) > set(permissions)
def has_permission_for_service(self, service_id, permission):
if self.status == 'cancelled':
return False
return self.service == service_id and permission in self.permissions
def __eq__(self, other):
return ((self.id,
self.service,
self.from_user,
self.email_address,
self.auth_type,
self.status) == (other.id,
other.service,
other.from_user,
other.email_address,
other.auth_type,
other.status))
def serialize(self, permissions_as_string=False):
data = {'id': self.id,
'service': self.service,
'from_user': self.from_user,
'email_address': self.email_address,
'status': self.status,
'created_at': str(self.created_at),
'auth_type': self.auth_type
}
if permissions_as_string:
data['permissions'] = ','.join(self.permissions)
else:
data['permissions'] = sorted(self.permissions)
return data
class InvitedOrgUser(object):
def __init__(self, id, organisation, invited_by, email_address, status, created_at):
self.id = id
self.organisation = str(organisation)
self.invited_by = invited_by
self.email_address = email_address
self.status = status
self.created_at = created_at
def __eq__(self, other):
return ((self.id,
self.organisation,
self.invited_by,
self.email_address,
self.status) == (other.id,
other.organisation,
other.invited_by,
other.email_address,
other.status))
def serialize(self, permissions_as_string=False):
data = {'id': self.id,
'organisation': self.organisation,
'invited_by': self.invited_by,
'email_address': self.email_address,
'status': self.status,
'created_at': str(self.created_at)
}
return data
class AnonymousUser(AnonymousUserMixin):
# set the anonymous user so that if a new browser hits us we don't error http://stackoverflow.com/a/19275188
def logged_in_elsewhere(self):
return False