frostfs-sdk-go/pkg/neofs/client-plant.go

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package neofs
import (
"context"
"crypto/ecdsa"
"io"
"github.com/nspcc-dev/neofs-api-go/pkg/client"
"github.com/nspcc-dev/neofs-api-go/pkg/container"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-api-go/pkg/owner"
"github.com/nspcc-dev/neofs-api-go/pkg/token"
"github.com/nspcc-dev/neofs-http-gw/connections"
)
// BaseOptions represents basic NeoFS request options.
type BaseOptions struct {
Client client.Client
SessionToken *token.SessionToken
BearerToken *token.BearerToken
}
// PutOptions represents NeoFS Put request options.
type PutOptions struct {
BaseOptions
Attributes []*object.Attribute
ContainerID *container.ID
OwnerID *owner.ID
Reader io.Reader
}
// GetOptions represents NeoFS Get request options.
type GetOptions struct {
BaseOptions
ObjectAddress *object.Address
Writer io.Writer
}
// SearchOptions represents NeoFS Search request options.
type SearchOptions struct {
BaseOptions
ContainerID *container.ID
Attribute struct {
Key string
Value string
}
}
// DeleteOptions represents NeoFS Delete request options.
type DeleteOptions struct {
BaseOptions
ObjectAddress *object.Address
}
// ObjectClient wraps basic NeoFS requests.
type ObjectClient interface {
Put(context.Context, *PutOptions) (*object.Address, error)
Get(context.Context, *GetOptions) (*object.Object, error)
Search(context.Context, *SearchOptions) ([]*object.ID, error)
Delete(context.Context, *DeleteOptions) error
}
// ClientPlant provides connections to NeoFS nodes from pool and allows to
// get local owner ID.
type ClientPlant interface {
ConnectionArtifacts() (client.Client, *token.SessionToken, error)
Object() ObjectClient
OwnerID() *owner.ID
}
type neofsObjectClient struct {
key *ecdsa.PrivateKey
pool connections.Pool
}
type neofsClientPlant struct {
key *ecdsa.PrivateKey
ownerID *owner.ID
pool connections.Pool
}
// ConnectionArtifacts returns connection from pool.
func (cp *neofsClientPlant) ConnectionArtifacts() (client.Client, *token.SessionToken, error) {
return cp.pool.ConnectionArtifacts()
}
// Object returns ObjectClient instance from plant.
func (cp *neofsClientPlant) Object() ObjectClient {
return &neofsObjectClient{
key: cp.key,
pool: cp.pool,
}
}
// OwnerID returns plant's owner ID.
func (cp *neofsClientPlant) OwnerID() *owner.ID {
return cp.ownerID
}
// NewClientPlant creates new ClientPlant from given context, pool and credentials.
func NewClientPlant(ctx context.Context, pool connections.Pool, creds Credentials) (ClientPlant, error) {
return &neofsClientPlant{key: creds.PrivateKey(), ownerID: creds.Owner(), pool: pool}, nil
}
// Put does NeoFS Put request, returning new object address if successful.
func (oc *neofsObjectClient) Put(ctx context.Context, options *PutOptions) (*object.Address, error) {
var (
err error
objectID *object.ID
)
address := object.NewAddress()
rawObject := object.NewRaw()
rawObject.SetContainerID(options.ContainerID)
rawObject.SetOwnerID(options.OwnerID)
rawObject.SetAttributes(options.Attributes...)
ops := new(client.PutObjectParams).
WithObject(rawObject.Object()).
WithPayloadReader(options.Reader)
objectID, err = options.Client.PutObject(
ctx,
ops,
client.WithSession(options.SessionToken),
client.WithBearer(options.BearerToken),
)
if err != nil {
return nil, err
}
address.SetObjectID(objectID)
address.SetContainerID(options.ContainerID)
return address, nil
}
// Get does NeoFS Get request, returning an object received if successful.
func (oc *neofsObjectClient) Get(ctx context.Context, options *GetOptions) (*object.Object, error) {
var (
err error
obj *object.Object
)
ops := new(client.GetObjectParams).
WithAddress(options.ObjectAddress).
WithPayloadWriter(options.Writer)
obj, err = options.Client.GetObject(
ctx,
ops,
client.WithSession(options.SessionToken),
client.WithBearer(options.BearerToken),
)
return obj, err
}
// Search does NeoFS Search request, returning object IDs if successful.
func (oc *neofsObjectClient) Search(ctx context.Context, options *SearchOptions) ([]*object.ID, error) {
sfs := object.NewSearchFilters()
sfs.AddRootFilter()
sfs.AddFilter(options.Attribute.Key, options.Attribute.Value, object.MatchStringEqual)
sops := new(client.SearchObjectParams)
sops.WithContainerID(options.ContainerID)
sops.WithSearchFilters(sfs)
return options.Client.SearchObject(
ctx,
sops,
client.WithSession(options.SessionToken),
client.WithBearer(options.BearerToken),
)
}
// Delete deletes NeoFS object.
func (oc *neofsObjectClient) Delete(ctx context.Context, options *DeleteOptions) error {
ops := new(client.DeleteObjectParams).WithAddress(options.ObjectAddress)
err := options.Client.DeleteObject(
ctx,
ops,
client.WithSession(options.SessionToken),
client.WithBearer(options.BearerToken),
)
return err
}