human
Complete the below
def cross_domain(origin_check=is_trusted_origin, **options):

    ''''Set up cross domain validation and hoisting for a request handler.'
    '''
assistant
#Here is the Python code you requested.
    def cross_domain_wrap(fn):
        cors_perms = {'origin_check': origin_check, 'allow_credentials': bool(options.get('allow_credentials'))}
        @wraps(fn)
        def cross_domain_handler(self, *args, **kwargs):
            if (request.params.get('hoist') == 'cookie'):
                if cors_perms['origin_check'](g.origin):
                    name = request.environ['pylons.routes_dict']['action_name']
                    resp = fn(self, *args, **kwargs)
                    c.cookies.add(('hoist_%s' % name), ''.join(tup(resp)))
                    response.content_type = 'text/html'
                    return ''
                else:
                    abort(403)
            else:
                self.check_cors()
                return fn(self, *args, **kwargs)
        cross_domain_handler.cors_perms = cors_perms
        return cross_domain_handler
    return cross_domain_wrap