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storj: implement server side Copy

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This commit is contained in:
Kaloyan Raev 2022-12-08 17:06:13 +02:00 committed by Nick Craig-Wood
parent beea4d5119
commit b98d7f6634
2 changed files with 42 additions and 1 deletions
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41
backend/storj/fs.go
View File

@ -160,6 +160,7 @@ var (
_ fs.ListRer = &Fs{}
_ fs.PutStreamer = &Fs{}
_ fs.Mover = &Fs{}
_ fs.Copier = &Fs{}
)
// NewFs creates a filesystem backed by Storj.
@ -720,3 +721,43 @@ func (f *Fs) Move(ctx context.Context, src fs.Object, remote string) (fs.Object,
// Read the new object
return f.NewObject(ctx, remote)
}
// Copy src to this remote using server-side copy operations.
//
// This is stored with the remote path given.
//
// It returns the destination Object and a possible error.
//
// Will only be called if src.Fs().Name() == f.Name()
//
// If it isn't possible then return fs.ErrorCantCopy
func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object, error) {
srcObj, ok := src.(*Object)
if !ok {
fs.Debugf(src, "Can't copy - not same remote type")
return nil, fs.ErrorCantCopy
}
// Copy parameters
srcBucket, srcKey := bucket.Split(srcObj.absolute)
dstBucket, dstKey := f.absolute(remote)
options := uplink.CopyObjectOptions{}
// Do the copy
newObject, err := f.project.CopyObject(ctx, srcBucket, srcKey, dstBucket, dstKey, &options)
if err != nil {
// Make sure destination bucket exists
_, err := f.project.EnsureBucket(ctx, dstBucket)
if err != nil {
return nil, fmt.Errorf("copy object failed to create destination bucket: %w", err)
}
// And try again
newObject, err = f.project.CopyObject(ctx, srcBucket, srcKey, dstBucket, dstKey, &options)
if err != nil {
return nil, fmt.Errorf("copy object failed: %w", err)
}
}
// Return the new object
return newObjectFromUplink(f, remote, newObject), nil
}

2
docs/content/overview.md
View File

@ -504,7 +504,7 @@ upon backend-specific capabilities.
| Sia | No | No | No | No | No | No | Yes | No | No | Yes |
| SMB | No | No | Yes | Yes | No | No | Yes | No | No | Yes |
| SugarSync | Yes | Yes | Yes | Yes | No | No | Yes | Yes | No | Yes |
| Storj | Yes † | No | Yes | No | No | Yes | Yes | No | No | No |
| Storj | Yes † | Yes | Yes | No | No | Yes | Yes | No | No | No |
| Uptobox | No | Yes | Yes | Yes | No | No | No | No | No | No |
| WebDAV | Yes | Yes | Yes | Yes | No | No | Yes ‡ | No | Yes | Yes |
| Yandex Disk | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes |