Rename frontend to "cluefs_frontend"

Enables adding another frontend later

1 files changed, 46 insertions, 0 deletions

diff --git a/cluefs_frontend/fe_fs.go b/cluefs_frontend/fe_fs.go
new file mode 100644
index 0000000..2b12da6
--- /dev/null
+++ b/cluefs_frontend/fe_fs.go
@@ -0,0 +1,46 @@
+package cluefs_frontend
+
+// frontend sits between FUSE and ClueFS
+// and uses cryptfs for all crypto operations
+//
+//          cryptfs
+//             ^
+//             |
+//             v
+// FUSE <-> frontend <-> ClueFS
+//
+// This file handles just the root directory
+
+import (
+	"github.com/rfjakob/gocryptfs/cryptfs"
+	"github.com/rfjakob/cluefs/lib/cluefs"
+	fusefs "bazil.org/fuse/fs"
+)
+
+type FS struct {
+	*cryptfs.CryptFS
+	*cluefs.ClueFS
+	backing string
+}
+
+type nullTracer struct {}
+
+func (nullTracer) Trace(op cluefs.FsOperTracer) {}
+
+func NewFS(key [16]byte, backing string, useOpenssl bool) (*FS, error) {
+	var tracer nullTracer
+	clfs, err := cluefs.NewClueFS(backing, tracer)
+	if err != nil {
+		return nil, err
+	}
+	return &FS {
+		CryptFS: cryptfs.NewCryptFS(key, useOpenssl),
+		ClueFS: clfs,
+		backing: backing,
+	}, nil
+}
+
+func (fs *FS) Root() (fusefs.Node, error) {
+	cryptfs.Debug.Printf("Root\n")
+	return NewDir("", fs.backing, fs), nil
+}