657 lines
19 KiB
Go
657 lines
19 KiB
Go
package layer
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import (
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"bytes"
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"context"
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"crypto/ecdsa"
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"fmt"
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"io"
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"net/url"
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"strings"
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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/layer/neofs"
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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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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.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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}
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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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}
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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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Writer io.Writer
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VersionID string
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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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// 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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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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ACL uint32
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Policy *netmap.PlacementPolicy
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EACL *eacl.Table
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SessionToken *session.Token
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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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}
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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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}
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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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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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// PutTaggingParams stores tag set params.
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PutTaggingParams struct {
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ObjectInfo *data.ObjectInfo
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TagSet map[string]string
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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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HeadSystemObject(ctx context.Context, bktInfo *data.BucketInfo, name string) (*data.ObjectInfo, error)
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GetObjectInfo(ctx context.Context, p *HeadObjectParams) (*data.ObjectInfo, error)
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GetObjectTagging(ctx context.Context, p *data.ObjectInfo) (map[string]string, error)
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GetBucketTagging(ctx context.Context, bktInfo *data.BucketInfo) (map[string]string, error)
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PutObject(ctx context.Context, p *PutObjectParams) (*data.ObjectInfo, error)
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PutSystemObject(ctx context.Context, p *PutSystemObjectParams) (*data.ObjectInfo, error)
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PutObjectTagging(ctx context.Context, p *PutTaggingParams) error
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PutBucketTagging(ctx context.Context, bktInfo *data.BucketInfo, tagSet map[string]string) 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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DeleteSystemObject(ctx context.Context, bktInfo *data.BucketInfo, name string) error
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DeleteObjectTagging(ctx context.Context, bktInfo *data.BucketInfo, objInfo *data.ObjectInfo) error
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DeleteBucketTagging(ctx context.Context, bktInfo *data.BucketInfo) error
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CompleteMultipartUpload(ctx context.Context, p *CompleteMultipartParams) (*data.ObjectInfo, error)
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UploadPart(ctx context.Context, p *UploadPartParams) (*data.ObjectInfo, 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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GetUploadInitInfo(ctx context.Context, p *UploadInfoParams) (*data.ObjectInfo, 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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}
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)
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const (
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tagPrefix = "S3-Tag-"
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tagEmptyMark = "\\"
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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() *CachesConfig {
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return &CachesConfig{
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Objects: cache.DefaultObjectsConfig(),
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ObjectsList: cache.DefaultObjectsListConfig(),
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Names: cache.DefaultObjectsNameConfig(),
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Buckets: cache.DefaultBucketConfig(),
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System: cache.DefaultSystemConfig(),
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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.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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}
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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 {
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ownerID, _ := bd.Gate.BearerToken.Issuer()
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return ownerID
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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 *neofs.PrmAuth) {
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if bd, ok := ctx.Value(api.BoxData).(*accessbox.Box); ok && bd != nil && bd.Gate != nil {
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prm.BearerToken = bd.Gate.BearerToken
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return
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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, 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, 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)
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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.cid = p.ObjectInfo.CID
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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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// GetObjectTagging from storage.
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func (n *layer) GetObjectTagging(ctx context.Context, oi *data.ObjectInfo) (map[string]string, error) {
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bktInfo := &data.BucketInfo{
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Name: oi.Bucket,
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CID: oi.CID,
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Owner: oi.Owner,
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}
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objInfo, err := n.HeadSystemObject(ctx, bktInfo, oi.TagsObject())
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if err != nil && !errors.IsS3Error(err, errors.ErrNoSuchKey) {
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return nil, err
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}
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return formTagSet(objInfo), nil
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}
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// GetBucketTagging from storage.
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func (n *layer) GetBucketTagging(ctx context.Context, bktInfo *data.BucketInfo) (map[string]string, error) {
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objInfo, err := n.HeadSystemObject(ctx, bktInfo, formBucketTagObjectName(bktInfo.Name))
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if err != nil && !errors.IsS3Error(err, errors.ErrNoSuchKey) {
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return nil, err
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}
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return formTagSet(objInfo), nil
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}
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func formTagSet(objInfo *data.ObjectInfo) map[string]string {
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var tagSet map[string]string
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if objInfo != nil {
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tagSet = make(map[string]string, len(objInfo.Headers))
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for k, v := range objInfo.Headers {
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if strings.HasPrefix(k, tagPrefix) {
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if v == tagEmptyMark {
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v = ""
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}
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tagSet[strings.TrimPrefix(k, tagPrefix)] = v
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}
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}
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}
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return tagSet
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}
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// PutObjectTagging into storage.
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func (n *layer) PutObjectTagging(ctx context.Context, p *PutTaggingParams) error {
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bktInfo := &data.BucketInfo{
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Name: p.ObjectInfo.Bucket,
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CID: p.ObjectInfo.CID,
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Owner: p.ObjectInfo.Owner,
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}
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s := &PutSystemObjectParams{
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BktInfo: bktInfo,
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ObjName: p.ObjectInfo.TagsObject(),
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Metadata: p.TagSet,
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Prefix: tagPrefix,
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Reader: nil,
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}
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_, err := n.PutSystemObject(ctx, s)
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return err
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}
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// PutBucketTagging into storage.
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func (n *layer) PutBucketTagging(ctx context.Context, bktInfo *data.BucketInfo, tagSet map[string]string) error {
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s := &PutSystemObjectParams{
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BktInfo: bktInfo,
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ObjName: formBucketTagObjectName(bktInfo.Name),
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Metadata: tagSet,
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Prefix: tagPrefix,
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Reader: nil,
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}
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_, err := n.PutSystemObject(ctx, s)
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return err
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}
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// DeleteObjectTagging from storage.
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func (n *layer) DeleteObjectTagging(ctx context.Context, bktInfo *data.BucketInfo, objInfo *data.ObjectInfo) error {
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return n.DeleteSystemObject(ctx, bktInfo, objInfo.TagsObject())
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}
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// DeleteBucketTagging from storage.
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func (n *layer) DeleteBucketTagging(ctx context.Context, bktInfo *data.BucketInfo) error {
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return n.DeleteSystemObject(ctx, bktInfo, formBucketTagObjectName(bktInfo.Name))
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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{
|
|
ObjectInfo: p.SrcObject,
|
|
Writer: pw,
|
|
Range: p.Range,
|
|
})
|
|
|
|
if err = pw.CloseWithError(err); err != nil {
|
|
n.log.Error("could not get object", zap.Error(err))
|
|
}
|
|
}()
|
|
|
|
return n.PutObject(ctx, &PutObjectParams{
|
|
BktInfo: p.DstBktInfo,
|
|
Object: p.DstObject,
|
|
Size: p.SrcSize,
|
|
Reader: pr,
|
|
Header: p.Header,
|
|
})
|
|
}
|
|
|
|
// DeleteObject removes all objects with the passed nice name.
|
|
func (n *layer) deleteObject(ctx context.Context, bkt *data.BucketInfo, settings *data.BucketSettings, obj *VersionedObject) *VersionedObject {
|
|
var (
|
|
err error
|
|
ids []*oid.ID
|
|
)
|
|
|
|
p := &PutObjectParams{
|
|
BktInfo: bkt,
|
|
Object: obj.Name,
|
|
Reader: bytes.NewReader(nil),
|
|
Header: map[string]string{},
|
|
}
|
|
|
|
// Current implementation doesn't consider "unversioned" mode (so any deletion creates "delete-mark" object).
|
|
// The reason is difficulties to determinate whether versioning mode is "unversioned" or "suspended".
|
|
|
|
if obj.VersionID == unversionedObjectVersionID || !settings.VersioningEnabled && len(obj.VersionID) == 0 {
|
|
p.Header[versionsUnversionedAttr] = "true"
|
|
versions, err := n.headVersions(ctx, bkt, obj.Name)
|
|
if err != nil {
|
|
obj.Error = err
|
|
return obj
|
|
}
|
|
last := versions.getLast(FromUnversioned())
|
|
if last == nil {
|
|
return obj
|
|
}
|
|
p.Header[VersionsDeleteMarkAttr] = last.Version()
|
|
|
|
for _, unversioned := range versions.unversioned() {
|
|
ids = append(ids, unversioned.ID)
|
|
}
|
|
} else if len(obj.VersionID) != 0 {
|
|
version, err := n.checkVersionsExist(ctx, bkt, obj)
|
|
if err != nil {
|
|
obj.Error = err
|
|
return obj
|
|
}
|
|
ids = []*oid.ID{version.ID}
|
|
if version.Headers[VersionsDeleteMarkAttr] == DelMarkFullObject {
|
|
obj.DeleteMarkVersion = version.Version()
|
|
}
|
|
|
|
p.Header[versionsDelAttr] = obj.VersionID
|
|
p.Header[VersionsDeleteMarkAttr] = version.Version()
|
|
} else {
|
|
p.Header[VersionsDeleteMarkAttr] = DelMarkFullObject
|
|
}
|
|
|
|
for _, id := range ids {
|
|
if err = n.objectDelete(ctx, bkt.CID, id); err != nil {
|
|
obj.Error = err
|
|
return obj
|
|
}
|
|
if err = n.DeleteObjectTagging(ctx, bkt, &data.ObjectInfo{ID: id, Bucket: bkt.Name, Name: obj.Name}); err != nil {
|
|
obj.Error = err
|
|
return obj
|
|
}
|
|
}
|
|
n.listsCache.CleanCacheEntriesContainingObject(obj.Name, bkt.CID)
|
|
|
|
objInfo, err := n.PutObject(ctx, p)
|
|
if err != nil {
|
|
obj.Error = err
|
|
return obj
|
|
}
|
|
if len(obj.VersionID) == 0 {
|
|
obj.DeleteMarkVersion = objInfo.Version()
|
|
if settings.VersioningEnabled {
|
|
obj.DeleteMarkerEtag = objInfo.HashSum
|
|
}
|
|
}
|
|
|
|
return obj
|
|
}
|
|
|
|
// 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.SessionToken != nil && bktInfo.Owner.Equals(*p.SessionToken.OwnerID()) {
|
|
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.listSortedObjects(ctx, allObjectParams{Bucket: p.BktInfo})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if len(objects) != 0 {
|
|
return errors.GetAPIError(errors.ErrBucketNotEmpty)
|
|
}
|
|
|
|
n.bucketCache.Delete(p.BktInfo.Name)
|
|
return n.deleteContainer(ctx, p.BktInfo.CID)
|
|
}
|