50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
// Copyright (C) 2020 Storj Labs, Inc.
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// See LICENSE for copying information.
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package consolewasm
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import (
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"crypto/sha256"
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"storj.io/common/encryption"
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"storj.io/common/grant"
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"storj.io/common/macaroon"
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"storj.io/common/storj"
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"storj.io/common/uuid"
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)
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// GenAccessGrant creates a new access grant and returns it serialized form.
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func GenAccessGrant(satelliteNodeURL, apiKey, encryptionPassphrase, projectID string) (string, error) {
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parsedAPIKey, err := macaroon.ParseAPIKey(apiKey)
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if err != nil {
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return "", err
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}
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id, err := uuid.FromString(projectID)
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if err != nil {
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return "", err
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}
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const concurrency = 8
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salt := sha256.Sum256(id[:])
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key, err := encryption.DeriveRootKey([]byte(encryptionPassphrase), salt[:], "", concurrency)
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if err != nil {
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return "", err
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}
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encAccess := grant.NewEncryptionAccessWithDefaultKey(key)
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encAccess.SetDefaultPathCipher(storj.EncAESGCM)
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encAccess.LimitTo(parsedAPIKey)
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accessString, err := (&grant.Access{
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SatelliteAddress: satelliteNodeURL,
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APIKey: parsedAPIKey,
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EncAccess: encAccess,
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}).Serialize()
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if err != nil {
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return "", err
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}
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return accessString, nil
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}
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