Function RedactRawSyncData

db/document.go:198–213

RedactRawSyncData runs HashRedact on the given sync data.

(syncData []byte, redactSalt string)

// RedactRawSyncData runs HashRedact on the given sync data.
func RedactRawSyncData(syncData []byte, redactSalt string) ([]byte, error) {
	if redactSalt == "" {
		return nil, fmt.Errorf("redact salt must be set")
	}

	var sd SyncData
	if err := json.Unmarshal(syncData, &sd); err != nil {
		return nil, fmt.Errorf("couldn't unmarshal sync data: %w", err)
	}

	if err := sd.HashRedact(redactSalt); err != nil {
		return nil, fmt.Errorf("couldn't redact sync data: %w", err)
	}

	return json.Marshal(sd)
}

// HashRedact does in-place redaction of UserData inside SyncData, by hashing channel names, user access, role access, and attachment names.
func (sd *SyncData) HashRedact(salt string) error {