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b2: fix listing all buckets when not needed

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Before this change the b2 backend listed all the buckets to turn a
single bucket name into an ID.

However in July 26, 2018 a parameter was added to the list buckets API
to make listing all the buckets unecessary.

This code sets the bucketName parameter so that only the results for
the desired bucket are returned.
This commit is contained in:
Nick Craig-Wood 2023-09-16 16:00:50 +01:00
parent 55c12c9a2d
commit 4ef30db209
1 changed files with 7 additions and 4 deletions
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11
backend/b2/b2.go
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@ -824,7 +824,7 @@ func (f *Fs) listDir(ctx context.Context, bucket, directory, prefix string, addB
// listBuckets returns all the buckets to out
func (f *Fs) listBuckets(ctx context.Context) (entries fs.DirEntries, err error) {
err = f.listBucketsToFn(ctx, func(bucket *api.Bucket) error {
err = f.listBucketsToFn(ctx, "", func(bucket *api.Bucket) error {
d := fs.NewDir(bucket.Name, time.Time{})
entries = append(entries, d)
return nil
@ -917,11 +917,14 @@ func (f *Fs) ListR(ctx context.Context, dir string, callback fs.ListRCallback) (
type listBucketFn func(*api.Bucket) error
// listBucketsToFn lists the buckets to the function supplied
func (f *Fs) listBucketsToFn(ctx context.Context, fn listBucketFn) error {
func (f *Fs) listBucketsToFn(ctx context.Context, bucketName string, fn listBucketFn) error {
var account = api.ListBucketsRequest{
AccountID: f.info.AccountID,
BucketID: f.info.Allowed.BucketID,
}
if bucketName != "" && account.BucketID == "" {
account.BucketName = f.opt.Enc.FromStandardName(bucketName)
}
var response api.ListBucketsResponse
opts := rest.Opts{
@ -967,7 +970,7 @@ func (f *Fs) getbucketType(ctx context.Context, bucket string) (bucketType strin
if bucketType != "" {
return bucketType, nil
}
err = f.listBucketsToFn(ctx, func(bucket *api.Bucket) error {
err = f.listBucketsToFn(ctx, bucket, func(bucket *api.Bucket) error {
// listBucketsToFn reads bucket Types
return nil
})
@ -1002,7 +1005,7 @@ func (f *Fs) getBucketID(ctx context.Context, bucket string) (bucketID string, e
if bucketID != "" {
return bucketID, nil
}
err = f.listBucketsToFn(ctx, func(bucket *api.Bucket) error {
err = f.listBucketsToFn(ctx, bucket, func(bucket *api.Bucket) error {
// listBucketsToFn sets IDs
return nil
})