    def process_request(self, req):
        auth_tok = req.headers.get('X-Auth-Token')
        user = None
        tenant = None
        roles = []
        if auth_tok:
            user, tenant, role = auth_tok.split(':')
            if tenant.lower() == 'none':
                tenant = None
            roles = [role]
            req.headers['X-User-Id'] = user
            req.headers['X-Tenant-Id'] = tenant
            req.headers['X-Roles'] = role
            req.headers['X-Identity-Status'] = 'Confirmed'
        kwargs = {
            'user': user,
            'tenant': tenant,
            'roles': roles,
            'is_admin': self.is_admin,
            'auth_tok': auth_tok,
        }

        req.context = context.RequestContext(**kwargs)
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.