func checkTxnAuth(as auth.AuthStore, ai *auth.AuthInfo, rt *pb.TxnRequest) error {
for _, c := range rt.Compare {
if err := as.IsRangePermitted(ai, c.Key, nil); err != nil {
return err
}
}
if err := checkTxnReqsPermission(as, ai, rt.Success); err != nil {
return err
}
if err := checkTxnReqsPermission(as, ai, rt.Failure); err != nil {
return err
}
return nil
}
func checkTxnReqsPermission(as auth.AuthStore, ai *auth.AuthInfo, reqs []*pb.RequestOp) error {
for _, requ := range reqs {
switch tv := requ.Request.(type) {
case *pb.RequestOp_RequestRange:
if tv.RequestRange == nil {
continue
}
if err := as.IsRangePermitted(ai, tv.RequestRange.Key, tv.RequestRange.RangeEnd); err != nil {
return err
}
case *pb.RequestOp_RequestPut:
if tv.RequestPut == nil {
continue
}
if err := as.IsPutPermitted(ai, tv.RequestPut.Key); err != nil {
return err
}
case *pb.RequestOp_RequestDeleteRange:
if tv.RequestDeleteRange == nil {
continue
}
if tv.RequestDeleteRange.PrevKv {
err := as.IsRangePermitted(ai, tv.RequestDeleteRange.Key, tv.RequestDeleteRange.RangeEnd)
if err != nil {
return err
}
}
err := as.IsDeleteRangePermitted(ai, tv.RequestDeleteRange.Key, tv.RequestDeleteRange.RangeEnd)
if err != nil {
return err
}
}
}
return nil
}