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quay/auth/permissions.py

72 lines
2.6 KiB
Python

import logging
from flask.ext.principal import identity_loaded, UserNeed, Permission
from flask.ext.login import current_user
from collections import namedtuple
from functools import partial
from data import model
from app import app
from auth import get_authenticated_user, get_validated_token
logger = logging.getLogger(__name__)
_ResourceNeed = namedtuple('resource', ['type', 'namespace', 'name', 'role'])
_RepositoryNeed = partial(_ResourceNeed, 'repository')
class ModifyRepositoryPermission(Permission):
def __init__(self, namespace, name):
admin_need = _RepositoryNeed(namespace, name, 'admin')
write_need = _RepositoryNeed(namespace, name, 'write')
super(ModifyRepositoryPermission, self).__init__(admin_need, write_need)
class ReadRepositoryPermission(Permission):
def __init__(self, namespace, name):
admin_need = _RepositoryNeed(namespace, name, 'admin')
write_need = _RepositoryNeed(namespace, name, 'write')
read_need = _RepositoryNeed(namespace, name, 'read')
super(ReadRepositoryPermission, self).__init__(admin_need, write_need,
read_need)
class UserPermission(Permission):
def __init__(self, username):
user_need = UserNeed(username)
super(UserPermission, self).__init__(user_need)
@identity_loaded.connect_via(app)
def on_identity_loaded(sender, identity):
logger.debug('Identity loaded: %s' % identity)
# We have verified an identity, load in all of the permissions
if identity.auth_type == 'username':
logger.debug('Computing permissions for user: %s' % identity.id)
user_object = model.get_user(identity.id)
identity.provides.add(UserNeed(user_object.username))
for user in model.get_all_repo_permissions(user_object):
grant = _RepositoryNeed(user.repositorypermission.repository.namespace,
user.repositorypermission.repository.name,
user.repositorypermission.role.name)
logger.debug('User added permission: {0}'.format(grant))
identity.provides.add(grant)
elif identity.auth_type == 'token':
logger.debug('Computing permissions for token: %s' % identity.id)
token = model.get_token(identity.id)
query = model.get_user_repo_permissions(token.user, token.repository)
for permission in query:
t_grant = _RepositoryNeed(token.repository.namespace,
token.repository.name, permission.role.name)
logger.debug('Token added permission: {0}'.format(t_grant))
identity.provides.add(t_grant)
else:
logger.error('Unknown identity auth type: %s' % identity.auth_type)