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'''Decorators useful for actions in the IVLE AJAX API.
The first argument to any method wrapped by these needs to be a request.
'''
class require_method(object):
'''Require that the request has been made with the specified HTTP method.
'''
def __init__(self, method):
self.method = method
def __call__(self, func):
def method_or_die(req, *args, **kwargs):
if req.method != self.method:
req.throw_error(req.HTTP_METHOD_NOT_ALLOWED,
"Only %s requests can be made to this action." % self.method)
func(req, *args, **kwargs)
return method_or_die
class require_cap(object):
'''Require that the logged in user has the specified capability.'''
def __init__(self, cap):
self.cap = cap
def __call__(self, func):
def cap_or_die(req, *args, **kwargs):
if not req.user or not req.user.hasCap(self.cap):
req.throw_error(req.HTTP_FORBIDDEN,
"You do not have permission to use this action.")
func(req, *args, **kwargs)
return cap_or_die
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