Remove share refs from trashbin

changelog/unreleased/fix-share-recyclebin.md

@@ -0,0 +1,3 @@
+Bugfix: Remove share refs from trashbin
+
+https://github.com/cs3org/reva/pull/2298

pkg/eosclient/eosbinary/eosbinary.go

@@ -632,8 +632,12 @@ func (c *Client) CreateDir(ctx context.Context, auth eosclient.Authorization, pa
 }
 
 // Remove removes the resource at the given path
-func (c *Client) Remove(ctx context.Context, auth eosclient.Authorization, path string) error {
-	args := []string{"rm", "-r", path}
+func (c *Client) Remove(ctx context.Context, auth eosclient.Authorization, path string, noRecycle bool) error {
+	args := []string{"rm", "-r"}
+	if noRecycle {
+		args = append(args, "--no-recycle-bin") // do not put the file in the recycle bin
+	}
+	args = append(args, path)
 	_, _, err := c.executeEOS(ctx, args, auth)
 	return err
 }

pkg/eosclient/eosclient.go

@@ -44,7 +44,7 @@ type EOSClient interface {
 	Chown(ctx context.Context, auth, chownauth Authorization, path string) error
 	Chmod(ctx context.Context, auth Authorization, mode, path string) error
 	CreateDir(ctx context.Context, auth Authorization, path string) error
-	Remove(ctx context.Context, auth Authorization, path string) error
+	Remove(ctx context.Context, auth Authorization, path string, noRecycle bool) error
 	Rename(ctx context.Context, auth Authorization, oldPath, newPath string) error
 	List(ctx context.Context, auth Authorization, path string) ([]*FileInfo, error)
 	Read(ctx context.Context, auth Authorization, path string) (io.ReadCloser, error)

pkg/eosclient/eosgrpc/eosgrpc.go

@@ -981,7 +981,7 @@ func (c *Client) CreateDir(ctx context.Context, auth eosclient.Authorization, pa
 
 }
 
-func (c *Client) rm(ctx context.Context, auth eosclient.Authorization, path string) error {
+func (c *Client) rm(ctx context.Context, auth eosclient.Authorization, path string, noRecycle bool) error {
 	log := appctx.GetLogger(ctx)
 	log.Info().Str("func", "rm").Str("uid,gid", auth.Role.UID+","+auth.Role.GID).Str("path", path).Msg("")
 
@@ -995,6 +995,7 @@ func (c *Client) rm(ctx context.Context, auth eosclient.Authorization, path stri
 
 	msg.Id = new(erpc.MDId)
 	msg.Id.Path = []byte(path)
+	msg.Norecycle = noRecycle
 
 	rq.Command = &erpc.NSRequest_Unlink{Unlink: msg}
 
@@ -1016,7 +1017,7 @@ func (c *Client) rm(ctx context.Context, auth eosclient.Authorization, path stri
 
 }
 
-func (c *Client) rmdir(ctx context.Context, auth eosclient.Authorization, path string) error {
+func (c *Client) rmdir(ctx context.Context, auth eosclient.Authorization, path string, noRecycle bool) error {
 	log := appctx.GetLogger(ctx)
 	log.Info().Str("func", "rmdir").Str("uid,gid", auth.Role.UID+","+auth.Role.GID).Str("path", path).Msg("")
 
@@ -1031,7 +1032,7 @@ func (c *Client) rmdir(ctx context.Context, auth eosclient.Authorization, path s
 	msg.Id = new(erpc.MDId)
 	msg.Id.Path = []byte(path)
 	msg.Recursive = true
-	msg.Norecycle = false
+	msg.Norecycle = noRecycle
 
 	rq.Command = &erpc.NSRequest_Rm{Rm: msg}
 
@@ -1053,7 +1054,7 @@ func (c *Client) rmdir(ctx context.Context, auth eosclient.Authorization, path s
 }
 
 // Remove removes the resource at the given path
-func (c *Client) Remove(ctx context.Context, auth eosclient.Authorization, path string) error {
+func (c *Client) Remove(ctx context.Context, auth eosclient.Authorization, path string, noRecycle bool) error {
 	log := appctx.GetLogger(ctx)
 	log.Info().Str("func", "Remove").Str("uid,gid", auth.Role.UID+","+auth.Role.GID).Str("path", path).Msg("")
 
@@ -1064,10 +1065,10 @@ func (c *Client) Remove(ctx context.Context, auth eosclient.Authorization, path
 	}
 
 	if nfo.IsDir {
-		return c.rmdir(ctx, auth, path)
+		return c.rmdir(ctx, auth, path, noRecycle)
 	}
 
-	return c.rm(ctx, auth, path)
+	return c.rm(ctx, auth, path, noRecycle)
 }
 
 // Rename renames the resource referenced by oldPath to newPath

pkg/storage/utils/eosfs/eosfs.go

@@ -1283,7 +1283,16 @@ func (fs *eosfs) Delete(ctx context.Context, ref *provider.Reference) error {
 		return err
 	}
 
-	return fs.c.Remove(ctx, auth, fn)
+	return fs.c.Remove(ctx, auth, fn, false)
+}
+
+func getRootAuth() eosclient.Authorization {
+	return eosclient.Authorization{
+		Role: eosclient.Role{
+			UID: "0",
+			GID: "0",
+		},
+	}
 }
 
 func (fs *eosfs) deleteShadow(ctx context.Context, p string) error {
@@ -1292,19 +1301,14 @@ func (fs *eosfs) deleteShadow(ctx context.Context, p string) error {
 	}
 
 	if fs.isShareFolderChild(ctx, p) {
-		u, err := getUser(ctx)
-		if err != nil {
-			return errors.Wrap(err, "eosfs: no user in ctx")
-		}
-
 		fn := fs.wrapShadow(ctx, p)
 
-		auth, err := fs.getUserAuth(ctx, u, "")
-		if err != nil {
-			return err
-		}
+		// in order to remove definitely the folder or the file
+		// without moving it to the recycle bin, we should take
+		// the priviledges of the root
+		auth := getRootAuth()
 
-		return fs.c.Remove(ctx, auth, fn)
+		return fs.c.Remove(ctx, auth, fn, true)
 	}
 
 	return errors.New("eosfs: shadow delete of share folder that is neither root nor child. path=" + p)