public Response addRole(@PathParam("id") String login,
@PathParam("context") String context, @FormParam("role") String role,
@Context HttpServletRequest request) {
// Make sure that the user owns the roles required for this operation
User user = securityService.getUser();
if (!SecurityUtils.userHasRole(user, SystemRole.SITEADMIN))
return Response.status(Status.FORBIDDEN).build();
// Make sure a role has been provided as part of the request
if (StringUtils.isBlank(role))