98 lines
3.4 KiB
Python
98 lines
3.4 KiB
Python
import logging
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from flask.ext.principal import (identity_loaded, UserNeed, Permission,
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Identity, identity_changed)
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from collections import namedtuple
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from functools import partial
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from data import model
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from app import app
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logger = logging.getLogger(__name__)
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_ResourceNeed = namedtuple('resource', ['type', 'namespace', 'name', 'role'])
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_RepositoryNeed = partial(_ResourceNeed, 'repository')
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class QuayDeferredPermissionUser(Identity):
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def __init__(self, id, auth_type=None):
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super(QuayDeferredPermissionUser, self).__init__(id, auth_type)
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self._permissions_loaded = False
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def can(self, permission):
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if not self._permissions_loaded:
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logger.debug('Loading user permissions after deferring.')
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user_object = model.get_user(self.id)
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for user in model.get_all_user_permissions(user_object):
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grant = _RepositoryNeed(user.repositorypermission.repository.namespace,
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user.repositorypermission.repository.name,
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user.repositorypermission.role.name)
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logger.debug('User added permission: {0}'.format(grant))
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self.provides.add(grant)
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self._permissions_loaded = True
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return super(QuayDeferredPermissionUser, self).can(permission)
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class ModifyRepositoryPermission(Permission):
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def __init__(self, namespace, name):
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admin_need = _RepositoryNeed(namespace, name, 'admin')
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write_need = _RepositoryNeed(namespace, name, 'write')
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super(ModifyRepositoryPermission, self).__init__(admin_need, write_need)
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class ReadRepositoryPermission(Permission):
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def __init__(self, namespace, name):
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admin_need = _RepositoryNeed(namespace, name, 'admin')
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write_need = _RepositoryNeed(namespace, name, 'write')
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read_need = _RepositoryNeed(namespace, name, 'read')
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super(ReadRepositoryPermission, self).__init__(admin_need, write_need,
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read_need)
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class AdministerRepositoryPermission(Permission):
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def __init__(self, namespace, name):
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admin_need = _RepositoryNeed(namespace, name, 'admin')
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super(AdministerRepositoryPermission, self).__init__(admin_need)
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class UserPermission(Permission):
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def __init__(self, username):
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user_need = UserNeed(username)
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super(UserPermission, self).__init__(user_need)
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@identity_loaded.connect_via(app)
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def on_identity_loaded(sender, identity):
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logger.debug('Identity loaded: %s' % identity)
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# We have verified an identity, load in all of the permissions
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if isinstance(identity, QuayDeferredPermissionUser):
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logger.debug('Deferring permissions for user: %s' % identity.id)
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elif identity.auth_type == 'username':
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switch_to_deferred = QuayDeferredPermissionUser(identity.id, 'username')
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identity_changed.send(app, identity=switch_to_deferred)
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elif identity.auth_type == 'token':
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logger.debug('Computing permissions for token: %s' % identity.id)
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token = model.get_token(identity.id)
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if token.user:
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query = model.get_user_repo_permissions(token.user, token.repository)
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for permission in query:
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t_grant = _RepositoryNeed(token.repository.namespace,
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token.repository.name, permission.role.name)
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logger.debug('Token added permission: {0}'.format(t_grant))
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identity.provides.add(t_grant)
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else:
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logger.debug('Token was anonymous.')
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else:
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logger.error('Unknown identity auth type: %s' % identity.auth_type)
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