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[#196] Add GetObjectTagging

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Signed-off-by: Denis Kirillov <denis@nspcc.ru>
This commit is contained in:
Denis Kirillov 2021-08-17 14:23:01 +03:00 • committed by Alex Vanin
parent 8b5ebe2ec2
commit 4a2575fbf3
7 changed files with 92 additions and 8 deletions
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41
api/layer/layer.go
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@ -162,6 +162,7 @@ type (
GetObject(ctx context.Context, p *GetObjectParams) error
GetObjectInfo(ctx context.Context, p *HeadObjectParams) (*ObjectInfo, error)
GetObjectTagging(ctx context.Context, p *ObjectInfo) (map[string]string, error)
PutObject(ctx context.Context, p *PutObjectParams) (*ObjectInfo, error)
PutObjectTagging(ctx context.Context, p *PutTaggingParams) error
@ -371,6 +372,32 @@ func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*ObjectInfo,
return n.objectPut(ctx, bkt, p)
}
// GetObjectTagging from storage.
func (n *layer) GetObjectTagging(ctx context.Context, oi *ObjectInfo) (map[string]string, error) {
bktInfo := &BucketInfo{
Name: oi.Bucket,
CID: oi.CID(),
Owner: oi.Owner,
}
objInfo, err := n.getSystemObject(ctx, bktInfo, oi.TagsObject())
if err != nil && !errors.IsS3Error(err, errors.ErrNoSuchKey) {
return nil, err
}
var tagSet map[string]string
if objInfo != nil {
tagSet = make(map[string]string, len(objInfo.Headers))
for k, v := range objInfo.Headers {
if strings.HasPrefix(k, tagPrefix) {
tagSet[strings.TrimPrefix(k, tagPrefix)] = v
}
}
}
return tagSet, nil
}
// PutObjectTagging into storage.
func (n *layer) PutObjectTagging(ctx context.Context, p *PutTaggingParams) error {
bktInfo := &cache.BucketInfo{
@ -438,6 +465,20 @@ func (n *layer) putSystemObject(ctx context.Context, bktInfo *cache.BucketInfo,
return oid, nil
}
func (n *layer) getSystemObject(ctx context.Context, bkt *BucketInfo, objName string) (*ObjectInfo, error) {
oid, err := n.objectFindID(ctx, &findParams{cid: bkt.CID, attr: objectSystemAttributeName, val: objName})
if err != nil {
return nil, err
}
meta, err := n.objectHead(ctx, bkt.CID, oid)
if err != nil {
return nil, err
}
return objectInfoFromMeta(bkt, meta, "", ""), nil
}
// CopyObject from one bucket into another bucket.
func (n *layer) CopyObject(ctx context.Context, p *CopyObjectParams) (*ObjectInfo, error) {
pr, pw := io.Pipe()