Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Sync TUF cache used for sigstore bundle verification #166

Merged
merged 5 commits into from
Jun 19, 2024
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
34 changes: 25 additions & 9 deletions pkg/tuf/repo.go
Original file line number Diff line number Diff line change
Expand Up @@ -293,29 +293,45 @@ func ClientFromRemote(_ context.Context, mirror string, rootJSON []byte, targets
}

var (
once sync.Once
trustedRoot *root.TrustedRoot
mu sync.RWMutex
singletonRootError error
timestamp time.Time
trustedRoot *root.TrustedRoot
)

// GetTrustedRoot returns the trusted root for the TUF repository.
func GetTrustedRoot() (*root.TrustedRoot, error) {
once.Do(func() {
now := time.Now().UTC()
// check if timestamp has never been or if the current time is more
// than 24 hours after the current value of timestamp
if timestamp.IsZero() || now.After(timestamp.Add(24*time.Hour)) {
mu.Lock()
defer mu.Unlock()

tufClient, err := tuf.NewFromEnv(context.Background())
if err != nil {
singletonRootError = fmt.Errorf("initializing tuf: %w", err)
return
return nil, singletonRootError
}
// TODO: add support for custom trusted root path
targetBytes, err := tufClient.GetTarget("trusted_root.json")
if err != nil {
singletonRootError = fmt.Errorf("error getting targets: %w", err)
return
return nil, singletonRootError
}
trustedRoot, singletonRootError = root.NewTrustedRootFromJSON(targetBytes)
})
if singletonRootError != nil {
return nil, singletonRootError
trustedRoot, err := root.NewTrustedRootFromJSON(targetBytes)
if err != nil {
singletonRootError = fmt.Errorf("error creating trusted root: %w", err)
return nil, singletonRootError
}

timestamp = now

return trustedRoot, nil
}

mu.RLock()
defer mu.RUnlock()

return trustedRoot, nil
}
Loading