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box: fix server-side copying a file over existing dst - fixes #3511

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Before this change, server-side copying a src file over a dst that already exists
gave `Error "item_name_in_use" (409): Item with the same name already exists`.

This change fixes the error by copying to a temporary name first, then moving it
to the real name.

There might be a more graceful way to overwrite a file during a copy, but I
didn't see one in the API docs.
https://developer.box.com/reference/post-files-id-copy/
In the meantime, this workaround is better than a critical error.

This should (hopefully) fix 8 bisync integration tests.
This commit is contained in:
nielash 2024-09-24 22:52:04 -04:00
parent a3e8fb584a
commit 3c7ad8d961
1 changed files with 22 additions and 2 deletions
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22
backend/box/box.go
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@ -43,6 +43,7 @@ import (
"github.com/rclone/rclone/lib/jwtutil" "github.com/rclone/rclone/lib/jwtutil"
"github.com/rclone/rclone/lib/oauthutil" "github.com/rclone/rclone/lib/oauthutil"
"github.com/rclone/rclone/lib/pacer" "github.com/rclone/rclone/lib/pacer"
"github.com/rclone/rclone/lib/random"
"github.com/rclone/rclone/lib/rest" "github.com/rclone/rclone/lib/rest"
"github.com/youmark/pkcs8" "github.com/youmark/pkcs8"
"golang.org/x/oauth2" "golang.org/x/oauth2"
@ -256,7 +257,6 @@ func getQueryParams(boxConfig *api.ConfigJSON) map[string]string {
} }
func getDecryptedPrivateKey(boxConfig *api.ConfigJSON) (key *rsa.PrivateKey, err error) { func getDecryptedPrivateKey(boxConfig *api.ConfigJSON) (key *rsa.PrivateKey, err error) {
block, rest := pem.Decode([]byte(boxConfig.BoxAppSettings.AppAuth.PrivateKey)) block, rest := pem.Decode([]byte(boxConfig.BoxAppSettings.AppAuth.PrivateKey))
if len(rest) > 0 { if len(rest) > 0 {
return nil, fmt.Errorf("box: extra data included in private key: %w", err) return nil, fmt.Errorf("box: extra data included in private key: %w", err)
@ -966,6 +966,26 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,
return nil, err return nil, err
} }
// check if dest already exists
item, err := f.preUploadCheck(ctx, leaf, directoryID, src.Size())
if err != nil {
return nil, err
}
if item != nil { // dest already exists, need to copy to temp name and then move
tempSuffix := "-rclone-copy-" + random.String(8)
fs.Debugf(remote, "dst already exists, copying to temp name %v", remote+tempSuffix)
tempObj, err := f.Copy(ctx, src, remote+tempSuffix)
if err != nil {
return nil, err
}
fs.Debugf(remote+tempSuffix, "moving to real name %v", remote)
err = f.deleteObject(ctx, item.ID)
if err != nil {
return nil, err
}
return f.Move(ctx, tempObj, remote)
}
// Copy the object // Copy the object
opts := rest.Opts{ opts := rest.Opts{
Method: "POST", Method: "POST",