v2api/reverse: start fusefrontend_reverse v2 API implementation

1 files changed, 39 insertions, 0 deletions

diff --git a/internal/fusefrontend_reverse/root_node.go b/internal/fusefrontend_reverse/root_node.go
new file mode 100644
index 0000000..726380f
--- /dev/null
+++ b/internal/fusefrontend_reverse/root_node.go
@@ -0,0 +1,39 @@
+package fusefrontend_reverse
+
+import (
+	"github.com/rfjakob/gocryptfs/internal/contentenc"
+	"github.com/rfjakob/gocryptfs/internal/fusefrontend"
+	"github.com/rfjakob/gocryptfs/internal/inomap"
+	"github.com/rfjakob/gocryptfs/internal/nametransform"
+
+	"github.com/sabhiram/go-gitignore"
+)
+
+// RootNode is the root directory in a `gocryptfs -reverse` mount
+type RootNode struct {
+	Node
+	// Stores configuration arguments
+	args fusefrontend.Args
+	// Filename encryption helper
+	nameTransform nametransform.NameTransformer
+	// Content encryption helper
+	contentEnc *contentenc.ContentEnc
+	// Tests whether a path is excluded (hiden) from the user. Used by -exclude.
+	excluder ignore.IgnoreParser
+	// inoMap translates inode numbers from different devices to unique inode
+	// numbers.
+	inoMap *inomap.InoMap
+}
+
+// NewRootNode returns an encrypted FUSE overlay filesystem.
+// In this case (reverse mode) the backing directory is plain-text and
+// ReverseFS provides an encrypted view.
+func NewRootNode(args fusefrontend.Args, c *contentenc.ContentEnc, n nametransform.NameTransformer) *RootNode {
+	return &RootNode{
+		args:          args,
+		nameTransform: n,
+		contentEnc:    c,
+		inoMap:        inomap.New(),
+		excluder:      prepareExcluder(args),
+	}
+}