fix(tvix/protos): support []byte node names

The underlying protos were changed to return `[]byte` instead of `string`.

Change-Id: I5d3e5d8de0ed7200325f7ab0d62e3c10d8eb1b7d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9285
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
This commit is contained in:
Brian McGee 2023-09-09 12:55:06 +01:00
parent d546b9a15d
commit 1549f020ee
2 changed files with 35 additions and 34 deletions

View file

@ -1,9 +1,9 @@
package storev1
import (
"bytes"
"encoding/base64"
"fmt"
"strings"
"google.golang.org/protobuf/proto"
"lukechampine.com/blake3"
)
@ -43,8 +43,8 @@ func (d *Directory) Digest() ([]byte, error) {
// We disallow slashes, null bytes, '.', '..' and the empty string.
// Depending on the context, a *Node message with an empty string as name is
// allowed, but they don't occur inside a Directory message.
func isValidName(n string) bool {
if n == "" || n == ".." || n == "." || strings.Contains(n, "\x00") || strings.Contains(n, "/") {
func isValidName(n []byte) bool {
if len(n) == 0 || bytes.Equal(n, []byte("..")) || bytes.Equal(n, []byte{'.'}) || bytes.Contains(n, []byte{'\x00'}) || bytes.Contains(n, []byte{'/'}) {
return false
}
return true
@ -62,14 +62,14 @@ func (d *Directory) Validate() error {
// We also track the last seen name in each of the three lists,
// to ensure nodes are sorted by their names.
var lastDirectoryName, lastFileName, lastSymlinkName string
var lastDirectoryName, lastFileName, lastSymlinkName []byte
// helper function to only insert in sorted order.
// used with the three lists above.
// Note this consumes a *pointer to* a string, as it mutates it.
insertIfGt := func(lastName *string, name string) error {
insertIfGt := func(lastName *[]byte, name []byte) error {
// update if it's greater than the previous name
if name > *lastName {
if bytes.Compare(name, *lastName) == 1 {
*lastName = name
return nil
} else {
@ -78,11 +78,12 @@ func (d *Directory) Validate() error {
}
// insertOnce inserts into seenNames if the key doesn't exist yet.
insertOnce := func(name string) error {
if _, found := seenNames[name]; found {
return fmt.Errorf("duplicate name: %v", name)
insertOnce := func(name []byte) error {
encoded := base64.StdEncoding.EncodeToString(name)
if _, found := seenNames[encoded]; found {
return fmt.Errorf("duplicate name: %v", string(name))
}
seenNames[name] = nil
seenNames[encoded] = nil
return nil
}