60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
package temporary
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import (
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"sync"
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"github.com/TrueCloudLab/frostfs-node/pkg/services/session/storage"
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"github.com/TrueCloudLab/frostfs-sdk-go/user"
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"github.com/mr-tron/base58"
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)
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type key struct {
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tokenID string
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ownerID string
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}
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// TokenStore is an in-memory session token store.
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// It allows creating (storing), retrieving and
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// expiring (removing) session tokens.
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// Must be created only via calling NewTokenStore.
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type TokenStore struct {
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mtx *sync.RWMutex
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tokens map[key]*storage.PrivateToken
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}
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// NewTokenStore creates, initializes and returns a new TokenStore instance.
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//
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// The elements of the instance are stored in the map.
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func NewTokenStore() *TokenStore {
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return &TokenStore{
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mtx: new(sync.RWMutex),
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tokens: make(map[key]*storage.PrivateToken),
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}
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}
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// Get returns private token corresponding to the given identifiers.
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//
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// Returns nil is there is no element in storage.
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func (s *TokenStore) Get(ownerID user.ID, tokenID []byte) *storage.PrivateToken {
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s.mtx.RLock()
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t := s.tokens[key{
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tokenID: base58.Encode(tokenID),
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ownerID: base58.Encode(ownerID.WalletBytes()),
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}]
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s.mtx.RUnlock()
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return t
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}
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// RemoveOld removes all tokens expired since provided epoch.
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func (s *TokenStore) RemoveOld(epoch uint64) {
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s.mtx.Lock()
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defer s.mtx.Unlock()
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for k, tok := range s.tokens {
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if tok.ExpiredAt() <= epoch {
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delete(s.tokens, k)
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}
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}
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}
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