154 lines
3.9 KiB
Go
154 lines
3.9 KiB
Go
package layer
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import (
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"context"
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"errors"
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"io"
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"net/url"
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"strconv"
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"time"
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"github.com/nspcc-dev/neofs-api-go/pkg/client"
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cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
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"github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/nspcc-dev/neofs-s3-gw/api"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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type (
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findParams struct {
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val string
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cid *cid.ID
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}
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getParams struct {
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io.Writer
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offset int64
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length int64
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address *object.Address
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}
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)
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// objectSearch returns all available objects by search params.
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func (n *layer) objectSearch(ctx context.Context, p *findParams) ([]*object.ID, error) {
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var opts object.SearchFilters
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opts.AddRootFilter()
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if filename, err := url.QueryUnescape(p.val); err != nil {
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return nil, err
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} else if filename != "" {
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opts.AddFilter(object.AttributeFileName, filename, object.MatchStringEqual)
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}
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return n.pool.SearchObject(ctx, new(client.SearchObjectParams).WithContainerID(p.cid).WithSearchFilters(opts))
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}
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// objectFindID returns object id (uuid) based on it's nice name in s3. If
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// nice name is uuid compatible, then function returns it.
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func (n *layer) objectFindID(ctx context.Context, p *findParams) (*object.ID, error) {
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if result, err := n.objectSearch(ctx, p); err != nil {
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return nil, err
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} else if ln := len(result); ln == 0 {
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return nil, status.Error(codes.NotFound, "object not found")
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} else if ln == 1 {
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return result[0], nil
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}
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return nil, errors.New("several objects with the same name found")
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}
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// objectHead returns all object's headers.
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func (n *layer) objectHead(ctx context.Context, address *object.Address) (*object.Object, error) {
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ops := new(client.ObjectHeaderParams).WithAddress(address).WithAllFields()
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return n.pool.GetObjectHeader(ctx, ops)
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}
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// objectGet and write it into provided io.Reader.
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func (n *layer) objectGet(ctx context.Context, p *getParams) (*object.Object, error) {
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// prepare length/offset writer
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w := newWriter(p.Writer, p.offset, p.length)
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ops := new(client.GetObjectParams).WithAddress(p.address).WithPayloadWriter(w)
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return n.pool.GetObject(ctx, ops)
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}
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// objectPut into NeoFS, took payload from io.Reader.
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func (n *layer) objectPut(ctx context.Context, p *PutObjectParams) (*ObjectInfo, error) {
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var (
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err error
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obj string
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bkt *BucketInfo
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own = n.Owner(ctx)
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)
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if obj, err = url.QueryUnescape(p.Object); err != nil {
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return nil, err
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} else if bkt, err = n.GetBucketInfo(ctx, p.Bucket); err != nil {
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return nil, err
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} else if err = n.checkObject(ctx, bkt.CID, p.Object); err != nil && err != ErrObjectNotExists {
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return nil, err
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} else if err == ErrObjectExists {
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return nil, &api.ObjectAlreadyExists{
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Bucket: p.Bucket,
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Object: p.Object,
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}
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}
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attributes := make([]*object.Attribute, 0, len(p.Header)+1)
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unix := strconv.FormatInt(time.Now().UTC().Unix(), 10)
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filename := object.NewAttribute()
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filename.SetKey(object.AttributeFileName)
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filename.SetValue(obj)
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createdAt := object.NewAttribute()
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createdAt.SetKey(object.AttributeTimestamp)
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createdAt.SetValue(unix)
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attributes = append(attributes, filename, createdAt)
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for k, v := range p.Header {
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ua := object.NewAttribute()
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ua.SetKey(k)
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ua.SetValue(v)
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attributes = append(attributes, ua)
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}
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raw := object.NewRaw()
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raw.SetOwnerID(own)
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raw.SetContainerID(bkt.CID)
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raw.SetAttributes(attributes...)
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r := newDetector(p.Reader)
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ops := new(client.PutObjectParams).WithObject(raw.Object()).WithPayloadReader(r)
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oid, err := n.pool.PutObject(
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ctx,
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ops,
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)
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if err != nil {
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return nil, err
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}
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return &ObjectInfo{
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id: oid,
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Owner: own,
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Bucket: p.Bucket,
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Name: p.Object,
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Size: p.Size,
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Created: time.Now(),
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Headers: p.Header,
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ContentType: r.contentType,
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}, nil
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}
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// objectDelete puts tombstone object into neofs.
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func (n *layer) objectDelete(ctx context.Context, address *object.Address) error {
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dop := new(client.DeleteObjectParams)
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dop.WithAddress(address)
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return n.pool.DeleteObject(ctx, dop)
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}
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