diff options
Diffstat (limited to 'frontend/dir.go')
-rw-r--r-- | frontend/dir.go | 100 |
1 files changed, 99 insertions, 1 deletions
diff --git a/frontend/dir.go b/frontend/dir.go index 4703df9..8e11837 100644 --- a/frontend/dir.go +++ b/frontend/dir.go @@ -1,10 +1,108 @@ package frontend import ( - //"github.com/rfjakob/gocryptfs/cryptfs" + "fmt" + "github.com/rfjakob/gocryptfs/cryptfs" "github.com/rfjakob/cluefs/lib/cluefs" + "bazil.org/fuse" + fusefs "bazil.org/fuse/fs" + "golang.org/x/net/context" ) type Dir struct { *cluefs.Dir + crfs *cryptfs.CryptFS +} + +func NewDir(parent string, name string, fs *FS) *Dir { + fmt.Printf("NewDir parent=%s name=%s\n", parent, name) + return &Dir { + Dir: cluefs.NewDir(parent, name, fs.ClueFS), + crfs: fs.CryptFS, + } +} + +func (d *Dir) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fusefs.Handle, error) { + fmt.Printf("Open\n") + h, err := d.Dir.Open(ctx, req, resp) + if err != nil { + return nil, err + } + clueDir := h.(*cluefs.Dir) + + return Dir { + Dir: clueDir, + crfs: d.crfs, + }, nil +} + +func (d *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.LookupResponse) (fusefs.Node, error) { + fmt.Printf("Lookup %s\n", req.Name) + req.Name = d.crfs.EncryptPath(req.Name) + n, err := d.Dir.Lookup(ctx, req, resp) + if err != nil { + return nil, err + } + clueDir, ok := n.(*cluefs.Dir) + if ok { + return &Dir { Dir: clueDir }, nil + } else { + clueFile := n.(*cluefs.File) + return &File { File: clueFile }, nil + } +} + +func (d *Dir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) { + fmt.Printf("ReadDirAll\n") + entries, err := d.Dir.ReadDirAll(ctx) + if err != nil { + return nil, err + } + var decrypted []fuse.Dirent + for _, e := range entries { + if e.Name == "." || e.Name == ".." { + decrypted = append(decrypted, e) + continue + } + newName, err := d.crfs.DecryptPath(e.Name) + if err != nil { + fmt.Printf("ReadDirAll: Error decoding \"%s\": %s\n", e.Name, err.Error()) + continue + } + e.Name = newName + decrypted = append(decrypted, e) + } + return decrypted, nil +} + +func (d *Dir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fusefs.Node, error) { + fmt.Printf("Mkdir %s\n", req.Name) + req.Name = d.crfs.EncryptPath(req.Name) + n, err := d.Dir.Mkdir(ctx, req) + if err != nil { + return nil, err + } + clueDir := n.(*cluefs.Dir) + return &Dir { + Dir: clueDir, + crfs: d.crfs, + }, nil +} + +func (d *Dir) Remove(ctx context.Context, req *fuse.RemoveRequest) error { + fmt.Printf("Remove\n") + req.Name = d.crfs.EncryptPath(req.Name) + return d.Dir.Remove(ctx, req) +} + +func (d *Dir) Create(ctx context.Context, req *fuse.CreateRequest, resp *fuse.CreateResponse) (fusefs.Node, fusefs.Handle, error) { + fmt.Printf("Create\n") + req.Name = d.crfs.EncryptPath(req.Name) + n, _, err := d.Dir.Create(ctx, req, resp) + if err != nil { + return nil, nil, err + } + clueFile := n.(*cluefs.File) + cryptFile := &File {File: clueFile} + return cryptFile, cryptFile, nil } |