82 lines
1.5 KiB
Go
82 lines
1.5 KiB
Go
package session
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import (
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"sync"
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crypto "github.com/nspcc-dev/neofs-crypto"
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"github.com/nspcc-dev/neofs-proto/refs"
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)
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type simpleStore struct {
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*sync.RWMutex
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tokens map[TokenID]*PToken
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}
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// TODO get curve from neofs-crypto
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func defaultCurve() elliptic.Curve {
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return elliptic.P256()
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}
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// NewSimpleStore creates simple token storage
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func NewSimpleStore() TokenStore {
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return &simpleStore{
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RWMutex: new(sync.RWMutex),
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tokens: make(map[TokenID]*PToken),
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}
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}
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// New returns new token with specified parameters.
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func (s *simpleStore) New(p TokenParams) *PToken {
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tid, err := refs.NewUUID()
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if err != nil {
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return nil
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}
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key, err := ecdsa.GenerateKey(defaultCurve(), rand.Reader)
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if err != nil {
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return nil
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}
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if p.FirstEpoch > p.LastEpoch || p.OwnerID.Empty() {
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return nil
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}
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t := &PToken{
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mtx: new(sync.Mutex),
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Token: Token{
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ID: tid,
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Header: VerificationHeader{PublicKey: crypto.MarshalPublicKey(&key.PublicKey)},
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FirstEpoch: p.FirstEpoch,
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LastEpoch: p.LastEpoch,
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ObjectID: p.ObjectID,
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OwnerID: p.OwnerID,
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},
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PrivateKey: key,
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}
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s.Lock()
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s.tokens[t.ID] = t
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s.Unlock()
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return t
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}
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// Fetch tries to fetch a token with specified id.
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func (s *simpleStore) Fetch(id TokenID) *PToken {
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s.RLock()
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defer s.RUnlock()
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return s.tokens[id]
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}
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// Remove removes token with id from store.
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func (s *simpleStore) Remove(id TokenID) {
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s.Lock()
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delete(s.tokens, id)
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s.Unlock()
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}
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