51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package fusefrontend
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import (
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"fmt"
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"path"
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"strings"
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"github.com/rfjakob/gocryptfs/internal/ctlsock"
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"github.com/rfjakob/gocryptfs/internal/nametransform"
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)
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var _ ctlsock.Interface = &FS{} // Verify that interface is implemented.
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// EncryptPath implements ctlsock.Backend
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func (fs *FS) EncryptPath(plainPath string) (string, error) {
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return fs.encryptPath(plainPath)
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}
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// DecryptPath implements ctlsock.Backend
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func (fs *FS) DecryptPath(cipherPath string) (string, error) {
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if fs.args.PlaintextNames || cipherPath == "" {
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return cipherPath, nil
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}
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plainPath := ""
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parts := strings.Split(cipherPath, "/")
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wd := fs.args.Cipherdir
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for _, part := range parts {
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dirIV, err := nametransform.ReadDirIV(wd)
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if err != nil {
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fmt.Printf("ReadDirIV: %v\n", err)
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return "", err
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}
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longPart := part
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if nametransform.IsLongContent(part) {
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longPart, err = nametransform.ReadLongName(wd + "/" + part)
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if err != nil {
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fmt.Printf("ReadLongName: %v\n", err)
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return "", err
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}
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}
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name, err := fs.nameTransform.DecryptName(longPart, dirIV)
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if err != nil {
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fmt.Printf("DecryptName: %v\n", err)
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return "", err
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}
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plainPath = path.Join(plainPath, name)
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wd = path.Join(wd, part)
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}
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return plainPath, nil
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}
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