65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
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// +build js,wasm
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// Copyright (C) 2020 Storj Labs, Inc.
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// See LICENSE for copying information.
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package main
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import (
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"fmt"
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"syscall/js"
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"storj.io/common/encryption"
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"storj.io/common/macaroon"
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"storj.io/common/storj"
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"storj.io/uplink/private/access2"
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)
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func main() {
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js.Global().Set("generateAccessGrant", generateAccessGrant())
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<-make(chan bool)
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}
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func generateAccessGrant() js.Func {
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return js.FuncOf(func(this js.Value, args []js.Value) interface{} {
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if len(args) < 4 {
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return fmt.Sprintf("Error not enough arguments. Need 4, but only %d supplied. The order of arguments are: satellite Node URL, API key, encryption passphrase, and project salt.", len(args))
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}
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satelliteNodeURL := args[0].String()
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apiKey := args[1].String()
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encryptionPassphrase := args[2].String()
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projectSalt := args[3].String()
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return genAccessGrant(satelliteNodeURL,
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apiKey,
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encryptionPassphrase,
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projectSalt,
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)
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})
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}
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func genAccessGrant(satelliteNodeURL, apiKey, encryptionPassphrase, projectSalt string) string {
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parsedAPIKey, err := macaroon.ParseAPIKey(apiKey)
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if err != nil {
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return err.Error()
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}
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const concurrency = 8
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key, err := encryption.DeriveRootKey([]byte(encryptionPassphrase), []byte(projectSalt), "", concurrency)
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if err != nil {
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return err.Error()
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}
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encAccess := access2.NewEncryptionAccessWithDefaultKey(key)
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encAccess.SetDefaultPathCipher(storj.EncAESGCM)
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a := &access2.Access{
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SatelliteAddress: satelliteNodeURL,
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APIKey: parsedAPIKey,
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EncAccess: encAccess,
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}
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accessString, err := a.Serialize()
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if err != nil {
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return err.Error()
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}
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return accessString
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}
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