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package cli
import (
"fmt"
"os"
"path/filepath"
"strings"
gokeepasslib "github.com/tobischo/gokeepasslib/v3"
)
// KDBXStore is the minimal interface needed by migrate-kdbx.
type KDBXStore interface {
UpsertTextEntry(groupPath []string, title, password, notes string) (overwrote bool, err error)
UpsertBinaryEntry(groupPath []string, title, filename string, content []byte) (overwrote bool, err error)
Save() error
}
type kdbxStore struct {
path string
db *gokeepasslib.Database
}
// OpenKDBXStore opens an existing KDBX database using password credentials.
func OpenKDBXStore(dbPath, password string) (KDBXStore, error) {
f, err := os.Open(dbPath)
if err != nil {
return nil, fmt.Errorf("opening kdbx %q: %w", dbPath, err)
}
defer f.Close()
db := gokeepasslib.NewDatabase()
db.Credentials = gokeepasslib.NewPasswordCredentials(password)
if err := gokeepasslib.NewDecoder(f).Decode(db); err != nil {
return nil, fmt.Errorf("decoding kdbx %q: %w", dbPath, err)
}
if err := db.UnlockProtectedEntries(); err != nil {
return nil, fmt.Errorf("unlocking kdbx %q: %w", dbPath, err)
}
if db.Content == nil {
db.Content = gokeepasslib.NewContent()
}
if db.Content.Root == nil {
db.Content.Root = gokeepasslib.NewRootData()
}
if len(db.Content.Root.Groups) == 0 {
root := gokeepasslib.NewGroup()
root.Name = "Root"
db.Content.Root.Groups = append(db.Content.Root.Groups, root)
}
return &kdbxStore{
path: dbPath,
db: db,
}, nil
}
func (s *kdbxStore) UpsertTextEntry(groupPath []string, title, password, notes string) (bool, error) {
g := s.ensureGroup(groupPath)
entry, overwrote := upsertEntryByTitle(g, title)
setEntryField(entry, "Title", title)
setEntryField(entry, "Password", password)
setEntryField(entry, "Notes", notes)
return overwrote, nil
}
func (s *kdbxStore) UpsertBinaryEntry(groupPath []string, title, filename string, content []byte) (bool, error) {
g := s.ensureGroup(groupPath)
entry, overwrote := upsertEntryByTitle(g, title)
setEntryField(entry, "Title", title)
setEntryField(entry, "Password", "")
b := s.db.AddBinary(content)
entry.Binaries = []gokeepasslib.BinaryReference{b.CreateReference(filename)}
// Keep notes concise for binary-only entries.
setEntryField(entry, "Notes", fmt.Sprintf("Migrated binary attachment: %s", filename))
return overwrote, nil
}
func (s *kdbxStore) ensureGroup(groupPath []string) *gokeepasslib.Group {
g := &s.db.Content.Root.Groups[0]
for _, segment := range groupPath {
if segment == "" {
continue
}
found := -1
for i := range g.Groups {
if g.Groups[i].Name == segment {
found = i
break
}
}
if found == -1 {
ng := gokeepasslib.NewGroup()
ng.Name = segment
g.Groups = append(g.Groups, ng)
found = len(g.Groups) - 1
}
g = &g.Groups[found]
}
return g
}
func upsertEntryByTitle(g *gokeepasslib.Group, title string) (*gokeepasslib.Entry, bool) {
for i := range g.Entries {
if g.Entries[i].GetTitle() == title {
return &g.Entries[i], true
}
}
e := gokeepasslib.NewEntry()
g.Entries = append(g.Entries, e)
return &g.Entries[len(g.Entries)-1], false
}
func (s *kdbxStore) Save() error {
if err := s.db.LockProtectedEntries(); err != nil {
return fmt.Errorf("locking kdbx entries: %w", err)
}
tmpPath := s.path + ".tmp"
out, err := os.OpenFile(tmpPath, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0o600)
if err != nil {
return fmt.Errorf("creating temporary kdbx %q: %w", tmpPath, err)
}
defer out.Close()
if err := gokeepasslib.NewEncoder(out).Encode(s.db); err != nil {
return fmt.Errorf("encoding kdbx to %q: %w", tmpPath, err)
}
if err := out.Close(); err != nil {
return fmt.Errorf("closing temporary kdbx %q: %w", tmpPath, err)
}
if err := os.Rename(tmpPath, s.path); err != nil {
return fmt.Errorf("replacing kdbx %q: %w", s.path, err)
}
return nil
}
func setEntryField(entry *gokeepasslib.Entry, key, value string) {
for i := range entry.Values {
if entry.Values[i].Key == key {
entry.Values[i].Value.Content = value
return
}
}
entry.Values = append(entry.Values, gokeepasslib.ValueData{
Key: key,
Value: gokeepasslib.V{
Content: value,
},
})
}
func splitDescriptionPath(description string) ([]string, string, error) {
safePath, err := sanitizeRelativePath(description)
if err != nil {
return nil, "", err
}
parts := strings.Split(safePath, "/")
if len(parts) == 1 {
return nil, parts[0], nil
}
return parts[:len(parts)-1], parts[len(parts)-1], nil
}
func sanitizeRelativePath(path string) (string, error) {
normalised := strings.ReplaceAll(path, "\\", "/")
normalised = strings.TrimSpace(normalised)
if normalised == "" {
return "", fmt.Errorf("empty entry description")
}
clean := filepath.Clean(normalised)
clean = strings.TrimPrefix(clean, "/")
if clean == "." || clean == "" || clean == ".." || strings.HasPrefix(clean, "../") {
return "", fmt.Errorf("unsafe entry description path %q", path)
}
return clean, nil
}
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