forked from TrueCloudLab/frostfs-s3-gw
112 lines
3.5 KiB
Go
112 lines
3.5 KiB
Go
package data
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import (
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"encoding/xml"
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"time"
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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/object/address"
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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/user"
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)
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const (
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bktSettingsObject = ".s3-settings"
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bktCORSConfigurationObject = ".s3-cors"
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bktNotificationConfigurationObject = ".s3-notifications"
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)
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type (
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// BucketInfo stores basic bucket data.
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BucketInfo struct {
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Name string
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CID *cid.ID
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Owner *user.ID
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Created time.Time
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BasicACL uint32
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LocationConstraint string
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ObjectLockEnabled bool
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}
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// ObjectInfo holds S3 object data.
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ObjectInfo struct {
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ID *oid.ID
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CID *cid.ID
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IsDir bool
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Bucket string
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Name string
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Size int64
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ContentType string
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Created time.Time
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CreationEpoch uint64
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HashSum string
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Owner *user.ID
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Headers map[string]string
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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 `json:"versioning_enabled"`
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LockConfiguration *ObjectLockConfiguration `json:"lock_configuration"`
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}
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// CORSConfiguration stores CORS configuration of a request.
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CORSConfiguration struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CORSConfiguration" json:"-"`
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CORSRules []CORSRule `xml:"CORSRule" json:"CORSRules"`
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}
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// CORSRule stores rules for CORS in a bucket.
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CORSRule struct {
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ID string `xml:"ID,omitempty" json:"ID,omitempty"`
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AllowedHeaders []string `xml:"AllowedHeader" json:"AllowedHeaders"`
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AllowedMethods []string `xml:"AllowedMethod" json:"AllowedMethods"`
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AllowedOrigins []string `xml:"AllowedOrigin" json:"AllowedOrigins"`
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ExposeHeaders []string `xml:"ExposeHeader" json:"ExposeHeaders"`
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MaxAgeSeconds int `xml:"MaxAgeSeconds,omitempty" json:"MaxAgeSeconds,omitempty"`
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}
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)
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// SettingsObjectName is a system name for a bucket settings file.
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func (b *BucketInfo) SettingsObjectName() string { return bktSettingsObject }
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// CORSObjectName returns a system name for a bucket CORS configuration file.
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func (b *BucketInfo) CORSObjectName() string { return bktCORSConfigurationObject }
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func (b *BucketInfo) NotificationConfigurationObjectName() string {
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return bktNotificationConfigurationObject
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}
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// Version returns object version from ObjectInfo.
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func (o *ObjectInfo) Version() string { return o.ID.String() }
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// NullableVersion returns object version from ObjectInfo.
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// Return "null" if "S3-Versions-unversioned" header is present.
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func (o *ObjectInfo) NullableVersion() string {
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if _, ok := o.Headers["S3-Versions-unversioned"]; ok {
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return "null"
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}
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return o.Version()
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}
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// NiceName returns object name for cache.
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func (o *ObjectInfo) NiceName() string { return o.Bucket + "/" + o.Name }
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// Address returns object address.
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func (o *ObjectInfo) Address() *address.Address {
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addr := address.NewAddress()
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addr.SetContainerID(*o.CID)
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addr.SetObjectID(*o.ID)
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return addr
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}
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// TagsObject returns the name of a system object for tags.
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func (o *ObjectInfo) TagsObject() string { return ".tagset." + o.Name + "." + o.Version() }
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// LegalHoldObject returns the name of a system object for a lock object.
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func (o *ObjectInfo) LegalHoldObject() string { return ".lock." + o.Name + "." + o.Version() }
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// RetentionObject returns the name of a system object for a retention lock object.
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func (o *ObjectInfo) RetentionObject() string { return ".retention." + o.Name + "." + o.Version() }
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