140 lines
3.4 KiB
Go
140 lines
3.4 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/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/user"
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)
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// PrmSessionCreate groups parameters of SessionCreate operation.
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type PrmSessionCreate struct {
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prmCommonMeta
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exp uint64
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keySet bool
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key ecdsa.PrivateKey
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}
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// SetExp sets number of the last NepFS epoch in the lifetime of the session after which it will be expired.
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func (x *PrmSessionCreate) SetExp(exp uint64) {
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x.exp = exp
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}
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// UseKey specifies private key to sign the requests and compute token owner.
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// If key is not provided, then Client default key is used.
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func (x *PrmSessionCreate) 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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// ResSessionCreate groups resulting values of SessionCreate operation.
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type ResSessionCreate struct {
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statusRes
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id []byte
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sessionKey []byte
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}
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func (x *ResSessionCreate) setID(id []byte) {
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x.id = id
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}
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// ID returns identifier of the opened session in a binary NeoFS API protocol format.
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//
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// Client doesn't retain value so modification is safe.
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func (x ResSessionCreate) ID() []byte {
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return x.id
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}
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func (x *ResSessionCreate) setSessionKey(key []byte) {
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x.sessionKey = key
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}
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// PublicKey returns public key of the opened session in a binary NeoFS API protocol format.
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func (x ResSessionCreate) PublicKey() []byte {
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return x.sessionKey
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}
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// SessionCreate opens a session with the node server on the remote endpoint.
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// The session lifetime coincides with the server lifetime. Results can be written
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// to session token which can be later attached to the requests.
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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 PrmSessionCreate 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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func (c *Client) SessionCreate(ctx context.Context, prm PrmSessionCreate) (*ResSessionCreate, error) {
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// check context
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if ctx == nil {
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panic(panicMsgMissingContext)
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}
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ownerKey := c.prm.key.PublicKey
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if prm.keySet {
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ownerKey = prm.key.PublicKey
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}
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var ownerID user.ID
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user.IDFromKey(&ownerID, ownerKey)
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var ownerIDV2 refs.OwnerID
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ownerID.WriteToV2(&ownerIDV2)
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// form request body
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reqBody := new(v2session.CreateRequestBody)
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reqBody.SetOwnerID(&ownerIDV2)
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reqBody.SetExpiration(prm.exp)
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// for request
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var req v2session.CreateRequest
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req.SetBody(reqBody)
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// init call context
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var (
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cc contextCall
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res ResSessionCreate
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)
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c.initCallContext(&cc)
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if prm.keySet {
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cc.key = prm.key
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}
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cc.meta = prm.prmCommonMeta
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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.CreateSession(&c.c, &req, client.WithContext(ctx))
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}
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cc.result = func(r responseV2) {
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resp := r.(*v2session.CreateResponse)
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body := resp.GetBody()
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res.setID(body.GetID())
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res.setSessionKey(body.GetSessionKey())
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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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