179 lines
5 KiB
Go
179 lines
5 KiB
Go
package client
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import (
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"context"
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"crypto/ecdsa"
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"github.com/nspcc-dev/neofs-api-go/v2/acl"
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v2object "github.com/nspcc-dev/neofs-api-go/v2/object"
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v2refs "github.com/nspcc-dev/neofs-api-go/v2/refs"
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rpcapi "github.com/nspcc-dev/neofs-api-go/v2/rpc"
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"github.com/nspcc-dev/neofs-api-go/v2/rpc/client"
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v2session "github.com/nspcc-dev/neofs-api-go/v2/session"
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"github.com/nspcc-dev/neofs-sdk-go/bearer"
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cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
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oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
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"github.com/nspcc-dev/neofs-sdk-go/session"
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)
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// PrmObjectDelete groups parameters of ObjectDelete operation.
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type PrmObjectDelete struct {
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meta v2session.RequestMetaHeader
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body v2object.DeleteRequestBody
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addr v2refs.Address
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keySet bool
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key ecdsa.PrivateKey
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}
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// WithinSession specifies session within which object should be read.
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//
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// Creator of the session acquires the authorship of the request.
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// This may affect the execution of an operation (e.g. access control).
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//
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// Must be signed.
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func (x *PrmObjectDelete) WithinSession(t session.Object) {
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var tv2 v2session.Token
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t.WriteToV2(&tv2)
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x.meta.SetSessionToken(&tv2)
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}
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// WithBearerToken attaches bearer token to be used for the operation.
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//
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// If set, underlying eACL rules will be used in access control.
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//
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// Must be signed.
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func (x *PrmObjectDelete) WithBearerToken(t bearer.Token) {
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var v2token acl.BearerToken
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t.WriteToV2(&v2token)
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x.meta.SetBearerToken(&v2token)
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}
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// FromContainer specifies NeoFS container of the object.
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// Required parameter.
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func (x *PrmObjectDelete) FromContainer(id cid.ID) {
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var cidV2 v2refs.ContainerID
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id.WriteToV2(&cidV2)
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x.addr.SetContainerID(&cidV2)
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}
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// ByID specifies identifier of the requested object.
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// Required parameter.
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func (x *PrmObjectDelete) ByID(id oid.ID) {
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var idV2 v2refs.ObjectID
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id.WriteToV2(&idV2)
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x.addr.SetObjectID(&idV2)
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}
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// UseKey specifies private key to sign the requests.
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// If key is not provided, then Client default key is used.
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func (x *PrmObjectDelete) UseKey(key ecdsa.PrivateKey) {
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x.keySet = true
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x.key = key
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}
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// WithXHeaders specifies list of extended headers (string key-value pairs)
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// to be attached to the request. Must have an even length.
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//
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// Slice must not be mutated until the operation completes.
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func (x *PrmObjectDelete) WithXHeaders(hs ...string) {
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if len(hs)%2 != 0 {
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panic("slice of X-Headers with odd length")
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}
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prmCommonMeta{xHeaders: hs}.writeToMetaHeader(&x.meta)
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}
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// ResObjectDelete groups resulting values of ObjectDelete operation.
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type ResObjectDelete struct {
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statusRes
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idTomb *v2refs.ObjectID
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}
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// ReadTombstoneID reads identifier of the created tombstone object.
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// Returns false if ID is missing (not read).
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func (x ResObjectDelete) ReadTombstoneID(dst *oid.ID) bool {
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if x.idTomb != nil {
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_ = dst.ReadFromV2(*x.idTomb)
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return true
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}
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return false
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}
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// ObjectDelete marks an object for deletion from the container using NeoFS API protocol.
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// As a marker, a special unit called a tombstone is placed in the container.
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// It confirms the user's intent to delete the object, and is itself a container object.
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// Explicit deletion is done asynchronously, and is generally not guaranteed.
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//
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// Returns a list of checksums in raw form: the format of hashes and their number
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// is left for the caller to check. Client preserves the order of the server's response.
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//
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// Exactly one return value is non-nil. By default, server status is returned in res structure.
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// Any client's internal or transport errors are returned as `error`,
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// If PrmInit.ResolveNeoFSFailures has been called, unsuccessful
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// NeoFS status codes are returned as `error`, otherwise, are included
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// in the returned result structure.
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//
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// Immediately panics if parameters are set incorrectly (see PrmObjectDelete docs).
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// Context is required and must not be nil. It is used for network communication.
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//
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// Return statuses:
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// - global (see Client docs)
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// - *apistatus.ContainerNotFound;
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// - *apistatus.ObjectAccessDenied;
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// - *apistatus.ObjectLocked;
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// - *apistatus.SessionTokenExpired.
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func (c *Client) ObjectDelete(ctx context.Context, prm PrmObjectDelete) (*ResObjectDelete, error) {
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switch {
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case ctx == nil:
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panic(panicMsgMissingContext)
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case prm.addr.GetContainerID() == nil:
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panic(panicMsgMissingContainer)
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case prm.addr.GetObjectID() == nil:
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panic("missing object")
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}
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// form request body
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prm.body.SetAddress(&prm.addr)
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// form request
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var req v2object.DeleteRequest
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req.SetBody(&prm.body)
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req.SetMetaHeader(&prm.meta)
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// init call context
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var (
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cc contextCall
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res ResObjectDelete
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)
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if prm.keySet {
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c.initCallContextWithoutKey(&cc)
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cc.key = prm.key
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} else {
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c.initCallContext(&cc)
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}
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cc.req = &req
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cc.statusRes = &res
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cc.call = func() (responseV2, error) {
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return rpcapi.DeleteObject(&c.c, &req, client.WithContext(ctx))
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}
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cc.result = func(r responseV2) {
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res.idTomb = r.(*v2object.DeleteResponse).GetBody().GetTombstone().GetObjectID()
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}
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// process call
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if !cc.processCall() {
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return nil, cc.err
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}
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return &res, nil
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}
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