forked from TrueCloudLab/frostfs-s3-gw
700 lines
19 KiB
Go
700 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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"strconv"
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"strings"
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"time"
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"github.com/nspcc-dev/neofs-api-go/pkg/acl/eacl"
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"github.com/nspcc-dev/neofs-api-go/pkg/client"
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cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
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"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
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"github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/nspcc-dev/neofs-api-go/pkg/owner"
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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/errors"
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"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
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"github.com/nspcc-dev/neofs-sdk-go/pool"
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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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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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// CacheConfig contains params for caches.
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CacheConfig struct {
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Lifetime time.Duration
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Size int
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ListObjectsLifetime time.Duration
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ListObjectsSize int
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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 *api.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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// 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 *api.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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}
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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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BoxData *accessbox.Box
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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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// 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 *api.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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PutBucketVersioning(ctx context.Context, p *PutVersioningParams) (*api.ObjectInfo, error)
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GetBucketVersioning(ctx context.Context, name string) (*BucketSettings, error)
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ListBuckets(ctx context.Context) ([]*api.BucketInfo, error)
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GetBucketInfo(ctx context.Context, name string) (*api.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) (*api.ObjectInfo, error)
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GetObjectTagging(ctx context.Context, p *api.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) (*api.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) (*api.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 *api.ObjectInfo) error
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DeleteBucketTagging(ctx context.Context, bucket string) 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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// 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 *CacheConfig) Client {
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return &layer{
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pool: conns,
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log: log,
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listsCache: cache.NewObjectsListCache(config.ListObjectsSize, config.ListObjectsLifetime),
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objCache: cache.New(config.Size, config.Lifetime),
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//todo reconsider cache params
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namesCache: cache.NewObjectsNameCache(1000, time.Minute),
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bucketCache: cache.NewBucketCache(150, time.Minute),
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systemCache: cache.NewSystemCache(1000, 5*time.Minute),
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}
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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 n.pool.OwnerID()
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}
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// BearerOpt returns client.WithBearer call option with token from context or with nil token.
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func (n *layer) BearerOpt(ctx context.Context) client.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 client.WithBearer(data.Gate.BearerToken)
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}
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return client.WithBearer(nil)
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}
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// SessionOpt returns client.WithSession call option with token from context or with nil token.
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func (n *layer) SessionOpt(ctx context.Context) client.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 client.WithSession(data.Gate.SessionToken)
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}
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return client.WithSession(nil)
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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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return n.pool.GetObject(ctx, ops, n.BearerOpt(ctx))
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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) (*api.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 := new(cid.ID)
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if err := containerID.Parse(name); err != nil {
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list, err := n.containerList(ctx)
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if err != nil {
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return nil, err
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}
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for _, bkt := range list {
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if bkt.Name == name {
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return bkt, nil
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}
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}
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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) ([]*api.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.objectGet(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) (*api.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.VersionID)
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}
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// PutObject into storage.
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func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*api.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 *api.ObjectInfo) (map[string]string, error) {
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bktInfo := &api.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.getSystemObject(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.getSystemObject(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 *api.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 := &api.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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if _, err := n.putSystemObject(ctx, bktInfo, p.ObjectInfo.TagsObject(), p.TagSet, tagPrefix); 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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if _, err = n.putSystemObject(ctx, bktInfo, formBucketTagObjectName(bucketName), tagSet, tagPrefix); 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 *api.ObjectInfo) error {
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bktInfo, err := n.GetBucketInfo(ctx, p.Bucket)
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if err != nil {
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return err
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}
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return n.deleteSystemObject(ctx, bktInfo, p.TagsObject())
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}
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func (n *layer) deleteSystemObject(ctx context.Context, bktInfo *api.BucketInfo, name string) error {
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var oid *object.ID
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if meta := n.systemCache.Get(bktInfo.SystemObjectKey(name)); meta != nil {
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oid = meta.ID()
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} else {
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var err error
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oid, err = n.objectFindID(ctx, &findParams{cid: bktInfo.CID, attr: objectSystemAttributeName, val: name})
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if err != nil {
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if errors.IsS3Error(err, errors.ErrNoSuchKey) {
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return nil
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}
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return err
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}
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}
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n.systemCache.Delete(bktInfo.SystemObjectKey(name))
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return n.objectDelete(ctx, bktInfo.CID, oid)
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}
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// DeleteBucketTagging from storage.
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func (n *layer) DeleteBucketTagging(ctx context.Context, bucketName 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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return n.deleteSystemObject(ctx, bktInfo, formBucketTagObjectName(bucketName))
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}
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func (n *layer) putSystemObject(ctx context.Context, bktInfo *api.BucketInfo, objName string, metadata map[string]string, prefix string) (*object.Object, error) {
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var (
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err error
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oldOID *object.ID
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)
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if meta := n.systemCache.Get(bktInfo.SystemObjectKey(objName)); meta != nil {
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oldOID = meta.ID()
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} else {
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oldOID, err = n.objectFindID(ctx, &findParams{cid: bktInfo.CID, attr: objectSystemAttributeName, val: objName})
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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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}
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attributes := make([]*object.Attribute, 0, 3)
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filename := object.NewAttribute()
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filename.SetKey(objectSystemAttributeName)
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filename.SetValue(objName)
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createdAt := object.NewAttribute()
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createdAt.SetKey(object.AttributeTimestamp)
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createdAt.SetValue(strconv.FormatInt(time.Now().UTC().Unix(), 10))
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versioningIgnore := object.NewAttribute()
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versioningIgnore.SetKey(attrVersionsIgnore)
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versioningIgnore.SetValue(strconv.FormatBool(true))
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attributes = append(attributes, filename, createdAt, versioningIgnore)
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for k, v := range metadata {
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attr := object.NewAttribute()
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attr.SetKey(prefix + k)
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if prefix == tagPrefix && v == "" {
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v = tagEmptyMark
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}
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attr.SetValue(v)
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attributes = append(attributes, attr)
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}
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raw := object.NewRaw()
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raw.SetOwnerID(bktInfo.Owner)
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raw.SetContainerID(bktInfo.CID)
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raw.SetAttributes(attributes...)
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ops := new(client.PutObjectParams).WithObject(raw.Object())
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oid, err := n.pool.PutObject(ctx, ops, n.BearerOpt(ctx))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
meta, err := n.objectHead(ctx, bktInfo.CID, oid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if err = n.systemCache.Put(bktInfo.SystemObjectKey(objName), meta); err != nil {
|
|
n.log.Error("couldn't cache system object", zap.Error(err))
|
|
}
|
|
if oldOID != nil {
|
|
if err = n.objectDelete(ctx, bktInfo.CID, oldOID); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return meta, nil
|
|
}
|
|
|
|
func (n *layer) getSystemObject(ctx context.Context, bkt *api.BucketInfo, objName string) (*api.ObjectInfo, error) {
|
|
if meta := n.systemCache.Get(bkt.SystemObjectKey(objName)); meta != nil {
|
|
return objInfoFromMeta(bkt, meta), nil
|
|
}
|
|
|
|
oid, err := n.objectFindID(ctx, &findParams{cid: bkt.CID, attr: objectSystemAttributeName, val: objName})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
meta, err := n.objectHead(ctx, bkt.CID, oid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if err = n.systemCache.Put(bkt.SystemObjectKey(objName), meta); err != nil {
|
|
n.log.Error("couldn't cache system object", zap.Error(err))
|
|
}
|
|
|
|
return objInfoFromMeta(bkt, meta), nil
|
|
}
|
|
|
|
// CopyObject from one bucket into another bucket.
|
|
func (n *layer) CopyObject(ctx context.Context, p *CopyObjectParams) (*api.ObjectInfo, error) {
|
|
pr, pw := io.Pipe()
|
|
|
|
go func() {
|
|
err := n.GetObject(ctx, &GetObjectParams{
|
|
ObjectInfo: p.SrcObject,
|
|
Writer: pw,
|
|
})
|
|
|
|
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 *api.BucketInfo, obj *VersionedObject) *VersionedObject {
|
|
var (
|
|
err error
|
|
ids []*object.ID
|
|
)
|
|
|
|
versioningEnabled := n.isVersioningEnabled(ctx, bkt)
|
|
if !versioningEnabled && obj.VersionID != unversionedObjectVersionID && obj.VersionID != "" {
|
|
obj.Error = errors.GetAPIError(errors.ErrInvalidVersion)
|
|
return obj
|
|
}
|
|
|
|
if versioningEnabled {
|
|
p := &PutObjectParams{
|
|
Object: obj.Name,
|
|
Reader: bytes.NewReader(nil),
|
|
Header: map[string]string{versionsDeleteMarkAttr: obj.VersionID},
|
|
}
|
|
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
|
|
} 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()
|
|
}
|
|
} else {
|
|
ids, err = n.objectSearch(ctx, &findParams{cid: bkt.CID, val: obj.Name})
|
|
if err != nil {
|
|
obj.Error = err
|
|
return obj
|
|
}
|
|
}
|
|
|
|
for _, id := range ids {
|
|
if err = n.objectDelete(ctx, bkt.CID, id); err != nil {
|
|
obj.Error = err
|
|
return obj
|
|
}
|
|
if err = n.DeleteObjectTagging(ctx, &api.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) {
|
|
_, err := n.GetBucketInfo(ctx, p.Name)
|
|
if err != nil {
|
|
if errors.IsS3Error(err, errors.ErrNoSuchBucket) {
|
|
return n.createContainer(ctx, p)
|
|
}
|
|
return nil, err
|
|
}
|
|
|
|
return nil, errors.GetAPIError(errors.ErrBucketAlreadyExists)
|
|
}
|
|
|
|
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
|
|
}
|