feat: working in process

encfs/fs.go

@@ -10,15 +10,19 @@ import (
 
 // copied from afero/os.go
 
-type EncFs struct{}
-
-func NewEncFs() afero.Fs {
-	return &EncFs{}
+type EncFs struct {
+	key []byte
 }
 
-func (EncFs) Name() string { return "EncFs" }
+func NewEncFs(key []byte) afero.Fs {
+	return &EncFs{
+		key: key,
+	}
+}
 
-func (EncFs) Create(name string) (afero.File, error) {
+func (*EncFs) Name() string { return "EncFs" }
+
+func (encFs *EncFs) Create(name string) (afero.File, error) {
 	if err := checkFileExt(name); err != nil {
 		return nil, err
 	}
@@ -28,18 +32,18 @@ func (EncFs) Create(name string) (afero.File, error) {
 		// a nil value of type *os.File or nil won't be nil
 		return nil, e
 	}
-	return convertOsFileToEncFile(name, f, e, true)
+	return convertOsFileToEncFile(name, f, e, encFs, true)
 }
 
-func (EncFs) Mkdir(name string, perm os.FileMode) error {
+func (*EncFs) Mkdir(name string, perm os.FileMode) error {
 	return os.Mkdir(name, perm)
 }
 
-func (EncFs) MkdirAll(path string, perm os.FileMode) error {
+func (*EncFs) MkdirAll(path string, perm os.FileMode) error {
 	return os.MkdirAll(path, perm)
 }
 
-func (EncFs) Open(name string) (afero.File, error) {
+func (encFs *EncFs) Open(name string) (afero.File, error) {
 	if err := checkFileExt(name); err != nil {
 		return nil, err
 	}
@@ -49,10 +53,10 @@ func (EncFs) Open(name string) (afero.File, error) {
 		// a nil value of type *os.File or nil won't be nil
 		return nil, e
 	}
-	return convertOsFileToEncFile(name, f, e, false)
+	return convertOsFileToEncFile(name, f, e, encFs, false)
 }
 
-func (EncFs) OpenFile(name string, flag int, perm os.FileMode) (afero.File, error) {
+func (*EncFs) OpenFile(name string, flag int, perm os.FileMode) (afero.File, error) {
 	f, e := os.OpenFile(name, flag, perm)
 	if f == nil {
 		// while this looks strange, we need to return a bare nil (of type nil) not
@@ -62,47 +66,47 @@ func (EncFs) OpenFile(name string, flag int, perm os.FileMode) (afero.File, erro
 	return f, e
 }
 
-func (EncFs) Remove(name string) error {
+func (*EncFs) Remove(name string) error {
 	// TODO remove enc file meta
 	return os.Remove(name)
 }
 
-func (EncFs) RemoveAll(path string) error {
+func (*EncFs) RemoveAll(path string) error {
 	// TODO remove enc file meta
 	return os.RemoveAll(path)
 }
 
-func (EncFs) Rename(oldname, newname string) error {
+func (*EncFs) Rename(oldname, newname string) error {
 	// TODO rename enc file meta
 	return os.Rename(oldname, newname)
 }
 
-func (EncFs) Stat(name string) (os.FileInfo, error) {
+func (*EncFs) Stat(name string) (os.FileInfo, error) {
 	return os.Stat(name)
 }
 
-func (EncFs) Chmod(name string, mode os.FileMode) error {
+func (*EncFs) Chmod(name string, mode os.FileMode) error {
 	return os.Chmod(name, mode)
 }
 
-func (EncFs) Chown(name string, uid, gid int) error {
+func (*EncFs) Chown(name string, uid, gid int) error {
 	return os.Chown(name, uid, gid)
 }
 
-func (EncFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
+func (*EncFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
 	return os.Chtimes(name, atime, mtime)
 }
 
-func (EncFs) LstatIfPossible(name string) (os.FileInfo, bool, error) {
+func (*EncFs) LstatIfPossible(name string) (os.FileInfo, bool, error) {
 	fi, err := os.Lstat(name)
 	return fi, true, err
 }
 
-func (EncFs) SymlinkIfPossible(oldname, newname string) error {
+func (*EncFs) SymlinkIfPossible(oldname, newname string) error {
 	return os.Symlink(oldname, newname)
 }
 
-func (EncFs) ReadlinkIfPossible(name string) (string, error) {
+func (*EncFs) ReadlinkIfPossible(name string) (string, error) {
 	return os.Readlink(name)
 }
 
@@ -113,12 +117,11 @@ func checkFileExt(name string) error {
 	return nil
 }
 
-func convertOsFileToEncFile(name string, file *os.File, e error, isCreate bool) (afero.File, error) {
+func convertOsFileToEncFile(name string, file *os.File, e error, encFs *EncFs, isCreate bool) (afero.File, error) {
 	if e != nil {
 		return nil, e
 	}
-	// TODO add password, and IV etc ...
-	encFile, err := NewEncFile(name, file, isCreate)
+	encFile, err := NewEncFile(name, file, encFs, isCreate)
 	if err != nil {
 		return nil, err
 	}