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- // Copyright 2018 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package storage
- import (
- "bytes"
- "encoding/json"
- "fmt"
- "io/ioutil"
- "testing"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/log"
- "github.com/mattn/go-colorable"
- )
- func TestEncryption(t *testing.T) {
- // key := []byte("AES256Key-32Characters1234567890")
- // plaintext := []byte(value)
- key := []byte("AES256Key-32Characters1234567890")
- plaintext := []byte("exampleplaintext")
- c, iv, err := encrypt(key, plaintext, nil)
- if err != nil {
- t.Fatal(err)
- }
- t.Logf("Ciphertext %x, nonce %x\n", c, iv)
- p, err := decrypt(key, iv, c, nil)
- if err != nil {
- t.Fatal(err)
- }
- t.Logf("Plaintext %v\n", string(p))
- if !bytes.Equal(plaintext, p) {
- t.Errorf("Failed: expected plaintext recovery, got %v expected %v", string(plaintext), string(p))
- }
- }
- func TestFileStorage(t *testing.T) {
- a := map[string]storedCredential{
- "secret": {
- Iv: common.Hex2Bytes("cdb30036279601aeee60f16b"),
- CipherText: common.Hex2Bytes("f311ac49859d7260c2c464c28ffac122daf6be801d3cfd3edcbde7e00c9ff74f"),
- },
- "secret2": {
- Iv: common.Hex2Bytes("afb8a7579bf971db9f8ceeed"),
- CipherText: common.Hex2Bytes("2df87baf86b5073ef1f03e3cc738de75b511400f5465bb0ddeacf47ae4dc267d"),
- },
- }
- d, err := ioutil.TempDir("", "eth-encrypted-storage-test")
- if err != nil {
- t.Fatal(err)
- }
- stored := &AESEncryptedStorage{
- filename: fmt.Sprintf("%v/vault.json", d),
- key: []byte("AES256Key-32Characters1234567890"),
- }
- stored.writeEncryptedStorage(a)
- read := &AESEncryptedStorage{
- filename: fmt.Sprintf("%v/vault.json", d),
- key: []byte("AES256Key-32Characters1234567890"),
- }
- creds, err := read.readEncryptedStorage()
- if err != nil {
- t.Fatal(err)
- }
- for k, v := range a {
- if v2, exist := creds[k]; !exist {
- t.Errorf("Missing entry %v", k)
- } else {
- if !bytes.Equal(v.CipherText, v2.CipherText) {
- t.Errorf("Wrong ciphertext, expected %x got %x", v.CipherText, v2.CipherText)
- }
- if !bytes.Equal(v.Iv, v2.Iv) {
- t.Errorf("Wrong iv")
- }
- }
- }
- }
- func TestEnd2End(t *testing.T) {
- log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(3), log.StreamHandler(colorable.NewColorableStderr(), log.TerminalFormat(true))))
- d, err := ioutil.TempDir("", "eth-encrypted-storage-test")
- if err != nil {
- t.Fatal(err)
- }
- s1 := &AESEncryptedStorage{
- filename: fmt.Sprintf("%v/vault.json", d),
- key: []byte("AES256Key-32Characters1234567890"),
- }
- s2 := &AESEncryptedStorage{
- filename: fmt.Sprintf("%v/vault.json", d),
- key: []byte("AES256Key-32Characters1234567890"),
- }
- s1.Put("bazonk", "foobar")
- if v, err := s2.Get("bazonk"); v != "foobar" || err != nil {
- t.Errorf("Expected bazonk->foobar (nil error), got '%v' (%v error)", v, err)
- }
- }
- func TestSwappedKeys(t *testing.T) {
- // It should not be possible to swap the keys/values, so that
- // K1:V1, K2:V2 can be swapped into K1:V2, K2:V1
- log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(3), log.StreamHandler(colorable.NewColorableStderr(), log.TerminalFormat(true))))
- d, err := ioutil.TempDir("", "eth-encrypted-storage-test")
- if err != nil {
- t.Fatal(err)
- }
- s1 := &AESEncryptedStorage{
- filename: fmt.Sprintf("%v/vault.json", d),
- key: []byte("AES256Key-32Characters1234567890"),
- }
- s1.Put("k1", "v1")
- s1.Put("k2", "v2")
- // Now make a modified copy
- creds := make(map[string]storedCredential)
- raw, err := ioutil.ReadFile(s1.filename)
- if err != nil {
- t.Fatal(err)
- }
- if err = json.Unmarshal(raw, &creds); err != nil {
- t.Fatal(err)
- }
- swap := func() {
- // Turn it into K1:V2, K2:V2
- v1, v2 := creds["k1"], creds["k2"]
- creds["k2"], creds["k1"] = v1, v2
- raw, err = json.Marshal(creds)
- if err != nil {
- t.Fatal(err)
- }
- if err = ioutil.WriteFile(s1.filename, raw, 0600); err != nil {
- t.Fatal(err)
- }
- }
- swap()
- if v, _ := s1.Get("k1"); v != "" {
- t.Errorf("swapped value should return empty")
- }
- swap()
- if v, _ := s1.Get("k1"); v != "v1" {
- t.Errorf("double-swapped value should work fine")
- }
- }
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