700 lines
20 KiB
Go
700 lines
20 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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"time"
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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/notifications"
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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/client"
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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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"github.com/nspcc-dev/neofs-sdk-go/object"
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"github.com/nspcc-dev/neofs-sdk-go/owner"
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"github.com/nspcc-dev/neofs-sdk-go/pool"
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"github.com/nspcc-dev/neofs-sdk-go/session"
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"go.uber.org/zap"
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)
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type (
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layer struct {
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pool pool.Pool
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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 *notifications.Controller
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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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NotificationController *notifications.Controller
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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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// Params stores basic API parameters.
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Params struct {
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Pool pool.Pool
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Logger *zap.Logger
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Timeout time.Duration
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Key *ecdsa.PrivateKey
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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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Offset int64
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Length int64
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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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Bucket string
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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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Bucket string
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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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}
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// PutVersioningParams stores object copy request parameters.
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PutVersioningParams struct {
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Bucket string
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Settings *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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// BucketSettings stores settings such as versioning.
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BucketSettings struct {
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VersioningEnabled bool
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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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DstBucket string
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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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}
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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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}
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// PutBucketACLParams stores put bucket acl request parameters.
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PutBucketACLParams struct {
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Name string
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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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Name string
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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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}
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// ListObjectVersionsParams stores list objects versions parameters.
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ListObjectVersionsParams struct {
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Bucket string
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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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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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// NeoFS provides basic NeoFS interface.
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NeoFS interface {
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Get(ctx context.Context, address *object.Address) (*object.Object, 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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NeoFS
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EphemeralKey() *keys.PublicKey
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PutBucketVersioning(ctx context.Context, p *PutVersioningParams) (*data.ObjectInfo, error)
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GetBucketVersioning(ctx context.Context, name string) (*BucketSettings, 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, name string) (*BucketACL, error)
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PutBucketACL(ctx context.Context, p *PutBucketACLParams) error
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CreateBucket(ctx context.Context, p *CreateBucketParams) (*cid.ID, 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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GetObjectTagging(ctx context.Context, p *data.ObjectInfo) (map[string]string, error)
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GetBucketTagging(ctx context.Context, bucket string) (map[string]string, error)
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PutObject(ctx context.Context, p *PutObjectParams) (*data.ObjectInfo, error)
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PutObjectTagging(ctx context.Context, p *PutTaggingParams) error
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PutBucketTagging(ctx context.Context, bucket string, 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, bucket string, objects []*VersionedObject) ([]*VersionedObject, error)
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DeleteObjectTagging(ctx context.Context, p *data.ObjectInfo) error
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DeleteBucketTagging(ctx context.Context, bucket string) 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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// 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 instance of layer. It checks credentials
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// and establishes gRPC connection with node.
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func NewLayer(log *zap.Logger, conns pool.Pool, config *Config) Client {
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return &layer{
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pool: conns,
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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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ncontroller: config.NotificationController,
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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) IsNotificationEnabled() bool {
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return n.ncontroller != nil
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}
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// IsAuthenticatedRequest check if access box exists in 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) *owner.ID {
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if data, ok := ctx.Value(api.BoxData).(*accessbox.Box); ok && data != nil && data.Gate != nil {
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return data.Gate.BearerToken.Issuer()
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}
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return owner.NewIDFromPublicKey((*ecdsa.PublicKey)(n.EphemeralKey()))
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}
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// CallOptions returns []pool.CallOption options: client.WithBearer or client.WithKey (if request is anonymous).
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func (n *layer) CallOptions(ctx context.Context) []pool.CallOption {
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if data, ok := ctx.Value(api.BoxData).(*accessbox.Box); ok && data != nil && data.Gate != nil {
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return []pool.CallOption{pool.WithBearer(data.Gate.BearerToken)}
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}
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return []pool.CallOption{pool.WithKey(&n.anonKey.Key.PrivateKey)}
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}
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// Get NeoFS Object by refs.Address (should be used by auth.Center).
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func (n *layer) Get(ctx context.Context, address *object.Address) (*object.Object, error) {
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ops := new(client.GetObjectParams).WithAddress(address)
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obj, err := n.pool.GetObject(ctx, ops, n.CallOptions(ctx)...)
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return obj, n.transformNeofsError(ctx, err)
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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, name string) (*BucketACL, error) {
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inf, err := n.GetBucketInfo(ctx, name)
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if err != nil {
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return nil, err
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}
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eacl, err := n.GetContainerEACL(ctx, inf.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: inf,
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EACL: eacl,
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}, nil
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}
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// PutBucketACL put bucket acl by name.
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func (n *layer) PutBucketACL(ctx context.Context, param *PutBucketACLParams) error {
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inf, err := n.GetBucketInfo(ctx, param.Name)
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if err != nil {
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return err
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}
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return n.setContainerEACLTable(ctx, inf.CID, param.EACL)
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}
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// ListBuckets returns all user containers. 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 err error
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params := &getParams{
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Writer: p.Writer,
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cid: p.ObjectInfo.CID,
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oid: p.ObjectInfo.ID,
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offset: p.Offset,
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length: p.Length,
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}
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if p.Range != nil {
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objRange := object.NewRange()
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objRange.SetOffset(p.Range.Start)
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// Range header is inclusive
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objRange.SetLength(p.Range.End - p.Range.Start + 1)
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params.Range = objRange
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_, err = n.objectRange(ctx, params)
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} else {
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_, err = n.objectGetWithPayloadWriter(ctx, params)
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}
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if err != nil {
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n.objCache.Delete(p.ObjectInfo.Address())
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return fmt.Errorf("couldn't get object, cid: %s : %w", p.ObjectInfo.CID, 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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bkt, err := n.GetBucketInfo(ctx, p.Bucket)
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if err != nil {
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n.log.Error("could not fetch bucket info", zap.Error(err))
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return nil, err
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}
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if len(p.VersionID) == 0 {
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return n.headLastVersionIfNotDeleted(ctx, bkt, p.Object)
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}
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return n.headVersion(ctx, bkt, p)
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}
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// PutObject into storage.
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func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*data.ObjectInfo, error) {
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bkt, err := n.GetBucketInfo(ctx, p.Bucket)
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if err != nil {
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return nil, err
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}
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return n.objectPut(ctx, bkt, 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, bucketName string) (map[string]string, error) {
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bktInfo, err := n.GetBucketInfo(ctx, bucketName)
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if err != nil {
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return nil, err
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}
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objInfo, err := n.headSystemObject(ctx, bktInfo, formBucketTagObjectName(bucketName))
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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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if _, err := n.putSystemObject(ctx, s); err != nil {
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return err
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}
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return nil
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}
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// PutBucketTagging into storage.
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func (n *layer) PutBucketTagging(ctx context.Context, bucketName string, tagSet map[string]string) error {
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bktInfo, err := n.GetBucketInfo(ctx, bucketName)
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if err != nil {
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return err
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}
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s := &PutSystemObjectParams{
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BktInfo: bktInfo,
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ObjName: formBucketTagObjectName(bucketName),
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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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if _, err = n.putSystemObject(ctx, s); err != nil {
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return err
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}
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return nil
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}
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// DeleteObjectTagging from storage.
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func (n *layer) DeleteObjectTagging(ctx context.Context, p *data.ObjectInfo) error {
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bktInfo, err := n.GetBucketInfo(ctx, p.Bucket)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return n.deleteSystemObject(ctx, bktInfo, p.TagsObject())
|
|
}
|
|
|
|
// DeleteBucketTagging from storage.
|
|
func (n *layer) DeleteBucketTagging(ctx context.Context, bucketName string) error {
|
|
bktInfo, err := n.GetBucketInfo(ctx, bucketName)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return n.deleteSystemObject(ctx, bktInfo, formBucketTagObjectName(bucketName))
|
|
}
|
|
|
|
// CopyObject from one bucket into another bucket.
|
|
func (n *layer) CopyObject(ctx context.Context, p *CopyObjectParams) (*data.ObjectInfo, error) {
|
|
pr, pw := io.Pipe()
|
|
|
|
go func() {
|
|
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{
|
|
Bucket: p.DstBucket,
|
|
Object: p.DstObject,
|
|
Size: p.SrcSize,
|
|
Reader: pr,
|
|
Header: p.Header,
|
|
})
|
|
}
|
|
|
|
// DeleteObject removes all objects with passed nice name.
|
|
func (n *layer) deleteObject(ctx context.Context, bkt *data.BucketInfo, obj *VersionedObject) *VersionedObject {
|
|
var (
|
|
err error
|
|
ids []*object.ID
|
|
)
|
|
|
|
p := &PutObjectParams{
|
|
Object: obj.Name,
|
|
Reader: bytes.NewReader(nil),
|
|
Header: map[string]string{},
|
|
}
|
|
|
|
versioningEnabled := n.isVersioningEnabled(ctx, bkt)
|
|
|
|
// 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 || !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 {
|
|
obj.Error = errors.GetAPIError(errors.ErrInvalidVersion)
|
|
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 = []*object.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
|
|
}
|
|
|
|
objInfo, err := n.objectPut(ctx, bkt, p)
|
|
if err != nil {
|
|
obj.Error = err
|
|
return obj
|
|
}
|
|
if len(obj.VersionID) == 0 {
|
|
obj.DeleteMarkVersion = objInfo.Version()
|
|
}
|
|
|
|
for _, id := range ids {
|
|
if err = n.objectDelete(ctx, bkt.CID, id); err != nil {
|
|
obj.Error = err
|
|
return obj
|
|
}
|
|
if err = n.DeleteObjectTagging(ctx, &data.ObjectInfo{ID: id, Bucket: bkt.Name, Name: obj.Name}); err != nil {
|
|
obj.Error = err
|
|
return obj
|
|
}
|
|
}
|
|
n.listsCache.CleanCacheEntriesContainingObject(obj.Name, bkt.CID)
|
|
|
|
return obj
|
|
}
|
|
|
|
// DeleteObjects from the storage.
|
|
func (n *layer) DeleteObjects(ctx context.Context, bucket string, objects []*VersionedObject) ([]*VersionedObject, error) {
|
|
bkt, err := n.GetBucketInfo(ctx, bucket)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
for i, obj := range objects {
|
|
objects[i] = n.deleteObject(ctx, bkt, obj)
|
|
}
|
|
|
|
return objects, nil
|
|
}
|
|
|
|
func (n *layer) CreateBucket(ctx context.Context, p *CreateBucketParams) (*cid.ID, 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.Equal(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) {
|
|
cnrID := cid.New()
|
|
if err := cnrID.Parse(name); err != nil {
|
|
return n.resolver.Resolve(ctx, name)
|
|
}
|
|
|
|
return cnrID, nil
|
|
}
|
|
|
|
func (n *layer) DeleteBucket(ctx context.Context, p *DeleteBucketParams) error {
|
|
bucketInfo, err := n.GetBucketInfo(ctx, p.Name)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
objects, err := n.listSortedObjects(ctx, allObjectParams{Bucket: bucketInfo})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if len(objects) != 0 {
|
|
return errors.GetAPIError(errors.ErrBucketNotEmpty)
|
|
}
|
|
|
|
if err = n.deleteContainer(ctx, bucketInfo.CID); err != nil {
|
|
return err
|
|
}
|
|
n.bucketCache.Delete(bucketInfo.Name)
|
|
return nil
|
|
}
|