589 lines
17 KiB
Go
589 lines
17 KiB
Go
package layer
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import (
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"context"
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"crypto/ecdsa"
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"crypto/rand"
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"fmt"
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"io"
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"net/url"
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"time"
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"github.com/nats-io/nats.go"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neofs-s3-gw/api"
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"github.com/nspcc-dev/neofs-s3-gw/api/cache"
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"github.com/nspcc-dev/neofs-s3-gw/api/data"
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"github.com/nspcc-dev/neofs-s3-gw/api/errors"
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"github.com/nspcc-dev/neofs-s3-gw/api/resolver"
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"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
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"github.com/nspcc-dev/neofs-sdk-go/bearer"
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cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
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"github.com/nspcc-dev/neofs-sdk-go/eacl"
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"github.com/nspcc-dev/neofs-sdk-go/netmap"
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oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
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"github.com/nspcc-dev/neofs-sdk-go/session"
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"github.com/nspcc-dev/neofs-sdk-go/user"
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"go.uber.org/zap"
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)
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type (
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EventListener interface {
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Subscribe(context.Context, string, MsgHandler) error
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Listen(context.Context)
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}
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MsgHandler interface {
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HandleMessage(context.Context, *nats.Msg) error
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}
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MsgHandlerFunc func(context.Context, *nats.Msg) error
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layer struct {
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neoFS NeoFS
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log *zap.Logger
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anonKey AnonymousKey
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resolver *resolver.BucketResolver
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ncontroller EventListener
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listsCache *cache.ObjectsListCache
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objCache *cache.ObjectsCache
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namesCache *cache.ObjectsNameCache
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bucketCache *cache.BucketCache
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systemCache *cache.SystemCache
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treeService TreeService
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}
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Config struct {
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ChainAddress string
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Caches *CachesConfig
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AnonKey AnonymousKey
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Resolver *resolver.BucketResolver
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TreeService TreeService
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}
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// AnonymousKey contains data for anonymous requests.
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AnonymousKey struct {
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Key *keys.PrivateKey
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}
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// CachesConfig contains params for caches.
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CachesConfig struct {
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Objects *cache.Config
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ObjectsList *cache.Config
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Names *cache.Config
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Buckets *cache.Config
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System *cache.Config
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}
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// GetObjectParams stores object get request parameters.
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GetObjectParams struct {
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Range *RangeParams
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ObjectInfo *data.ObjectInfo
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BucketInfo *data.BucketInfo
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Writer io.Writer
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}
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// HeadObjectParams stores object head request parameters.
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HeadObjectParams struct {
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BktInfo *data.BucketInfo
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Object string
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VersionID string
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}
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// ObjectVersion stores object version info.
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ObjectVersion struct {
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BktInfo *data.BucketInfo
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ObjectName string
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VersionID string
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}
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// RangeParams stores range header request parameters.
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RangeParams struct {
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Start uint64
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End uint64
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}
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// PutObjectParams stores object put request parameters.
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PutObjectParams struct {
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BktInfo *data.BucketInfo
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Object string
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Size int64
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Reader io.Reader
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Header map[string]string
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Lock *data.ObjectLock
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}
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DeleteObjectParams struct {
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BktInfo *data.BucketInfo
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BktSettings *data.BucketSettings
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Objects []*VersionedObject
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}
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// PutSettingsParams stores object copy request parameters.
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PutSettingsParams struct {
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BktInfo *data.BucketInfo
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Settings *data.BucketSettings
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}
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// PutCORSParams stores PutCORS request parameters.
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PutCORSParams struct {
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BktInfo *data.BucketInfo
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Reader io.Reader
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}
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// CopyObjectParams stores object copy request parameters.
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CopyObjectParams struct {
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SrcObject *data.ObjectInfo
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ScrBktInfo *data.BucketInfo
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DstBktInfo *data.BucketInfo
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DstObject string
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SrcSize int64
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Header map[string]string
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Range *RangeParams
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Lock *data.ObjectLock
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}
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// CreateBucketParams stores bucket create request parameters.
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CreateBucketParams struct {
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Name string
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Policy netmap.PlacementPolicy
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EACL *eacl.Table
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SessionContainerCreation *session.Container
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SessionEACL *session.Container
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LocationConstraint string
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ObjectLockEnabled bool
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}
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// PutBucketACLParams stores put bucket acl request parameters.
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PutBucketACLParams struct {
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BktInfo *data.BucketInfo
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EACL *eacl.Table
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SessionToken *session.Container
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}
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// DeleteBucketParams stores delete bucket request parameters.
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DeleteBucketParams struct {
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BktInfo *data.BucketInfo
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SessionToken *session.Container
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}
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// PutSystemObjectParams stores putSystemObject parameters.
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PutSystemObjectParams struct {
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BktInfo *data.BucketInfo
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ObjName string
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Metadata map[string]string
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Prefix string
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Reader io.Reader
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Size int64
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Lock *data.ObjectLock
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}
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// ListObjectVersionsParams stores list objects versions parameters.
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ListObjectVersionsParams struct {
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BktInfo *data.BucketInfo
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Delimiter string
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KeyMarker string
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MaxKeys int
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Prefix string
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VersionIDMarker string
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Encode string
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}
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// VersionedObject stores info about objects to delete.
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VersionedObject struct {
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Name string
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VersionID string
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DeleteMarkVersion string
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DeleteMarkerEtag string
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Error error
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}
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// Client provides S3 API client interface.
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Client interface {
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Initialize(ctx context.Context, c EventListener) error
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EphemeralKey() *keys.PublicKey
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GetBucketSettings(ctx context.Context, bktInfo *data.BucketInfo) (*data.BucketSettings, error)
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PutBucketSettings(ctx context.Context, p *PutSettingsParams) error
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PutBucketCORS(ctx context.Context, p *PutCORSParams) error
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GetBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) (*data.CORSConfiguration, error)
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DeleteBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) error
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ListBuckets(ctx context.Context) ([]*data.BucketInfo, error)
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GetBucketInfo(ctx context.Context, name string) (*data.BucketInfo, error)
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GetBucketACL(ctx context.Context, bktInfo *data.BucketInfo) (*BucketACL, error)
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PutBucketACL(ctx context.Context, p *PutBucketACLParams) error
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CreateBucket(ctx context.Context, p *CreateBucketParams) (*data.BucketInfo, error)
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DeleteBucket(ctx context.Context, p *DeleteBucketParams) error
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GetObject(ctx context.Context, p *GetObjectParams) error
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GetObjectInfo(ctx context.Context, p *HeadObjectParams) (*data.ObjectInfo, error)
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GetLockInfo(ctx context.Context, obj *ObjectVersion) (*data.LockInfo, error)
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PutLockInfo(ctx context.Context, p *ObjectVersion, lock *data.ObjectLock) error
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GetBucketTagging(ctx context.Context, cnrID *cid.ID) (map[string]string, error)
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PutBucketTagging(ctx context.Context, cnrID *cid.ID, tagSet map[string]string) error
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DeleteBucketTagging(ctx context.Context, cnrID *cid.ID) error
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GetObjectTagging(ctx context.Context, p *ObjectVersion) (string, map[string]string, error)
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PutObjectTagging(ctx context.Context, p *ObjectVersion, tagSet map[string]string) error
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DeleteObjectTagging(ctx context.Context, p *ObjectVersion) error
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PutObject(ctx context.Context, p *PutObjectParams) (*data.ObjectInfo, error)
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CopyObject(ctx context.Context, p *CopyObjectParams) (*data.ObjectInfo, error)
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ListObjectsV1(ctx context.Context, p *ListObjectsParamsV1) (*ListObjectsInfoV1, error)
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ListObjectsV2(ctx context.Context, p *ListObjectsParamsV2) (*ListObjectsInfoV2, error)
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ListObjectVersions(ctx context.Context, p *ListObjectVersionsParams) (*ListObjectVersionsInfo, error)
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DeleteObjects(ctx context.Context, p *DeleteObjectParams) ([]*VersionedObject, error)
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CreateMultipartUpload(ctx context.Context, p *CreateMultipartParams) error
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CompleteMultipartUpload(ctx context.Context, p *CompleteMultipartParams) (*UploadData, *data.ObjectInfo, error)
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UploadPart(ctx context.Context, p *UploadPartParams) (string, error)
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UploadPartCopy(ctx context.Context, p *UploadCopyParams) (*data.ObjectInfo, error)
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ListMultipartUploads(ctx context.Context, p *ListMultipartUploadsParams) (*ListMultipartUploadsInfo, error)
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AbortMultipartUpload(ctx context.Context, p *UploadInfoParams) error
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ListParts(ctx context.Context, p *ListPartsParams) (*ListPartsInfo, error)
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PutBucketNotificationConfiguration(ctx context.Context, p *PutBucketNotificationConfigurationParams) error
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GetBucketNotificationConfiguration(ctx context.Context, bktInfo *data.BucketInfo) (*data.NotificationConfiguration, error)
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// Compound methods for optimizations
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// GetObjectTaggingAndLock unifies GetObjectTagging and GetLock methods in single tree service invocation.
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GetObjectTaggingAndLock(ctx context.Context, p *ObjectVersion) (map[string]string, *data.LockInfo, error)
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}
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)
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const (
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tagPrefix = "S3-Tag-"
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)
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func (t *VersionedObject) String() string {
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return t.Name + ":" + t.VersionID
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}
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func (f MsgHandlerFunc) HandleMessage(ctx context.Context, msg *nats.Msg) error {
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return f(ctx, msg)
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}
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// DefaultCachesConfigs returns filled configs.
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func DefaultCachesConfigs(logger *zap.Logger) *CachesConfig {
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return &CachesConfig{
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Objects: cache.DefaultObjectsConfig(logger),
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ObjectsList: cache.DefaultObjectsListConfig(logger),
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Names: cache.DefaultObjectsNameConfig(logger),
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Buckets: cache.DefaultBucketConfig(logger),
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System: cache.DefaultSystemConfig(logger),
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}
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}
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// NewLayer creates an instance of a layer. It checks credentials
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// and establishes gRPC connection with the node.
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func NewLayer(log *zap.Logger, neoFS NeoFS, config *Config) Client {
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return &layer{
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neoFS: neoFS,
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log: log,
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anonKey: config.AnonKey,
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resolver: config.Resolver,
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listsCache: cache.NewObjectsListCache(config.Caches.ObjectsList),
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objCache: cache.New(config.Caches.Objects),
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namesCache: cache.NewObjectsNameCache(config.Caches.Names),
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bucketCache: cache.NewBucketCache(config.Caches.Buckets),
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systemCache: cache.NewSystemCache(config.Caches.System),
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treeService: config.TreeService,
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}
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}
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func (n *layer) EphemeralKey() *keys.PublicKey {
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return n.anonKey.Key.PublicKey()
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}
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func (n *layer) Initialize(ctx context.Context, c EventListener) error {
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if n.IsNotificationEnabled() {
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return fmt.Errorf("already initialized")
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}
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// todo add notification handlers (e.g. for lifecycles)
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c.Listen(ctx)
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n.ncontroller = c
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return nil
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}
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func (n *layer) IsNotificationEnabled() bool {
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return n.ncontroller != nil
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}
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// IsAuthenticatedRequest checks if access box exists in the current request.
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func IsAuthenticatedRequest(ctx context.Context) bool {
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_, ok := ctx.Value(api.BoxData).(*accessbox.Box)
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return ok
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}
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// Owner returns owner id from BearerToken (context) or from client owner.
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func (n *layer) Owner(ctx context.Context) user.ID {
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if bd, ok := ctx.Value(api.BoxData).(*accessbox.Box); ok && bd != nil && bd.Gate != nil && bd.Gate.BearerToken != nil {
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return bearer.ResolveIssuer(*bd.Gate.BearerToken)
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}
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var ownerID user.ID
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user.IDFromKey(&ownerID, (ecdsa.PublicKey)(*n.EphemeralKey()))
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return ownerID
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}
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func (n *layer) prepareAuthParameters(ctx context.Context, prm *PrmAuth, bktOwner user.ID) {
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if bd, ok := ctx.Value(api.BoxData).(*accessbox.Box); ok && bd != nil && bd.Gate != nil && bd.Gate.BearerToken != nil {
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if bktOwner.Equals(bearer.ResolveIssuer(*bd.Gate.BearerToken)) {
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prm.BearerToken = bd.Gate.BearerToken
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return
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}
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}
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prm.PrivateKey = &n.anonKey.Key.PrivateKey
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}
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// GetBucketInfo returns bucket info by name.
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func (n *layer) GetBucketInfo(ctx context.Context, name string) (*data.BucketInfo, error) {
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name, err := url.QueryUnescape(name)
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if err != nil {
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return nil, fmt.Errorf("unescape bucket name: %w", err)
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}
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if bktInfo := n.bucketCache.Get(name); bktInfo != nil {
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return bktInfo, nil
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}
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containerID, err := n.ResolveBucket(ctx, name)
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if err != nil {
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n.log.Debug("bucket not found", zap.Error(err))
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return nil, errors.GetAPIError(errors.ErrNoSuchBucket)
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}
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return n.containerInfo(ctx, *containerID)
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}
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// GetBucketACL returns bucket acl info by name.
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func (n *layer) GetBucketACL(ctx context.Context, bktInfo *data.BucketInfo) (*BucketACL, error) {
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eACL, err := n.GetContainerEACL(ctx, bktInfo.CID)
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if err != nil {
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return nil, fmt.Errorf("get container eacl: %w", err)
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}
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return &BucketACL{
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Info: bktInfo,
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EACL: eACL,
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}, nil
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}
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// PutBucketACL puts bucket acl by name.
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func (n *layer) PutBucketACL(ctx context.Context, param *PutBucketACLParams) error {
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return n.setContainerEACLTable(ctx, param.BktInfo.CID, param.EACL, param.SessionToken)
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}
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// ListBuckets returns all user containers. The name of the bucket is a container
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// id. Timestamp is omitted since it is not saved in neofs container.
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func (n *layer) ListBuckets(ctx context.Context) ([]*data.BucketInfo, error) {
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return n.containerList(ctx)
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}
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// GetObject from storage.
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func (n *layer) GetObject(ctx context.Context, p *GetObjectParams) error {
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var params getParams
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params.oid = p.ObjectInfo.ID
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params.bktInfo = p.BucketInfo
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if p.Range != nil {
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if p.Range.Start > p.Range.End {
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panic("invalid range")
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}
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params.off = p.Range.Start
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params.ln = p.Range.End - p.Range.Start + 1
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}
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payload, err := n.initObjectPayloadReader(ctx, params)
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if err != nil {
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return fmt.Errorf("init object payload reader: %w", err)
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}
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if params.ln == 0 {
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params.ln = 4096 // configure?
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}
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// alloc buffer for copying
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buf := make([]byte, params.ln) // sync-pool it?
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// copy full payload
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_, err = io.CopyBuffer(p.Writer, payload, buf)
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if err != nil {
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return fmt.Errorf("copy object payload: %w", err)
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}
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return nil
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}
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// GetObjectInfo returns meta information about the object.
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func (n *layer) GetObjectInfo(ctx context.Context, p *HeadObjectParams) (*data.ObjectInfo, error) {
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if len(p.VersionID) == 0 {
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return n.headLastVersionIfNotDeleted(ctx, p.BktInfo, p.Object)
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}
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return n.headVersion(ctx, p.BktInfo, p)
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}
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// CopyObject from one bucket into another bucket.
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func (n *layer) CopyObject(ctx context.Context, p *CopyObjectParams) (*data.ObjectInfo, error) {
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pr, pw := io.Pipe()
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go func() {
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err := n.GetObject(ctx, &GetObjectParams{
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ObjectInfo: p.SrcObject,
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Writer: pw,
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Range: p.Range,
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BucketInfo: p.ScrBktInfo,
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})
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if err = pw.CloseWithError(err); err != nil {
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n.log.Error("could not get object", zap.Error(err))
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}
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}()
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return n.PutObject(ctx, &PutObjectParams{
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BktInfo: p.DstBktInfo,
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Object: p.DstObject,
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Size: p.SrcSize,
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Reader: pr,
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Header: p.Header,
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})
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}
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func getRandomOID() (*oid.ID, error) {
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b := [32]byte{}
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if _, err := rand.Read(b[:]); err != nil {
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return nil, err
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}
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var objID oid.ID
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objID.SetSHA256(b)
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return &objID, nil
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}
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// DeleteObject removes all objects with the passed nice name.
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func (n *layer) deleteObject(ctx context.Context, bkt *data.BucketInfo, settings *data.BucketSettings, obj *VersionedObject) *VersionedObject {
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if len(obj.VersionID) == 0 || obj.VersionID == UnversionedObjectVersionID {
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randOID, err := getRandomOID()
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if err != nil {
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obj.Error = fmt.Errorf("couldn't get random oid: %w", err)
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return obj
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}
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obj.DeleteMarkVersion = UnversionedObjectVersionID
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newVersion := &data.NodeVersion{
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BaseNodeVersion: data.BaseNodeVersion{
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OID: *randOID,
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FilePath: obj.Name,
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},
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DeleteMarker: &data.DeleteMarkerInfo{
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Created: time.Now(),
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Owner: n.Owner(ctx),
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},
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IsUnversioned: true,
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}
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if len(obj.VersionID) == 0 && settings.VersioningEnabled {
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newVersion.IsUnversioned = false
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obj.DeleteMarkVersion = randOID.EncodeToString()
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}
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if obj.Error = n.treeService.AddVersion(ctx, &bkt.CID, newVersion); obj.Error != nil {
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return obj
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}
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n.namesCache.Delete(bkt.Name + "/" + obj.Name)
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} else {
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versions, err := n.treeService.GetVersions(ctx, &bkt.CID, obj.Name)
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if err != nil {
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obj.Error = err
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return obj
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}
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if obj.DeleteMarkVersion, obj.Error = n.removeVersionIfFound(ctx, bkt, versions, obj); obj.Error != nil {
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return obj
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}
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}
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n.listsCache.CleanCacheEntriesContainingObject(obj.Name, bkt.CID)
|
|
|
|
return obj
|
|
}
|
|
|
|
func (n *layer) removeVersionIfFound(ctx context.Context, bkt *data.BucketInfo, versions []*data.NodeVersion, obj *VersionedObject) (string, error) {
|
|
for _, version := range versions {
|
|
if version.OID.EncodeToString() != obj.VersionID {
|
|
continue
|
|
}
|
|
|
|
var deleteMarkVersion string
|
|
if version.DeleteMarker != nil {
|
|
deleteMarkVersion = obj.VersionID
|
|
} else if err := n.objectDelete(ctx, bkt, version.OID); err != nil {
|
|
return deleteMarkVersion, err
|
|
}
|
|
|
|
return deleteMarkVersion, n.treeService.RemoveVersion(ctx, &bkt.CID, version.ID)
|
|
}
|
|
|
|
return "", errors.GetAPIError(errors.ErrNoSuchVersion)
|
|
}
|
|
|
|
// DeleteObjects from the storage.
|
|
func (n *layer) DeleteObjects(ctx context.Context, p *DeleteObjectParams) ([]*VersionedObject, error) {
|
|
for i, obj := range p.Objects {
|
|
p.Objects[i] = n.deleteObject(ctx, p.BktInfo, p.BktSettings, obj)
|
|
}
|
|
|
|
return p.Objects, nil
|
|
}
|
|
|
|
func (n *layer) CreateBucket(ctx context.Context, p *CreateBucketParams) (*data.BucketInfo, error) {
|
|
bktInfo, err := n.GetBucketInfo(ctx, p.Name)
|
|
if err != nil {
|
|
if errors.IsS3Error(err, errors.ErrNoSuchBucket) {
|
|
return n.createContainer(ctx, p)
|
|
}
|
|
return nil, err
|
|
}
|
|
|
|
if p.SessionContainerCreation != nil && session.IssuedBy(*p.SessionContainerCreation, bktInfo.Owner) {
|
|
return nil, errors.GetAPIError(errors.ErrBucketAlreadyOwnedByYou)
|
|
}
|
|
|
|
return nil, errors.GetAPIError(errors.ErrBucketAlreadyExists)
|
|
}
|
|
|
|
func (n *layer) ResolveBucket(ctx context.Context, name string) (*cid.ID, error) {
|
|
var cnrID cid.ID
|
|
if err := cnrID.DecodeString(name); err != nil {
|
|
return n.resolver.Resolve(ctx, name)
|
|
}
|
|
|
|
return &cnrID, nil
|
|
}
|
|
|
|
func (n *layer) DeleteBucket(ctx context.Context, p *DeleteBucketParams) error {
|
|
objects, _, err := n.getLatestObjectsVersions(ctx, allObjectParams{Bucket: p.BktInfo, MaxKeys: 1})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if len(objects) != 0 {
|
|
return errors.GetAPIError(errors.ErrBucketNotEmpty)
|
|
}
|
|
|
|
n.bucketCache.Delete(p.BktInfo.Name)
|
|
return n.neoFS.DeleteContainer(ctx, p.BktInfo.CID, p.SessionToken)
|
|
}
|