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-rw-r--r--crypto/key_store_plain.go209
1 files changed, 0 insertions, 209 deletions
diff --git a/crypto/key_store_plain.go b/crypto/key_store_plain.go
deleted file mode 100644
index 4ce789a30..000000000
--- a/crypto/key_store_plain.go
+++ /dev/null
@@ -1,209 +0,0 @@
-// Copyright 2014 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 crypto
-
-import (
- "encoding/hex"
- "encoding/json"
- "fmt"
- "io"
- "io/ioutil"
- "os"
- "path/filepath"
- "time"
-
- "github.com/ethereum/go-ethereum/common"
-)
-
-type KeyStore interface {
- // create new key using io.Reader entropy source and optionally using auth string
- GenerateNewKey(io.Reader, string) (*Key, error)
- GetKey(common.Address, string) (*Key, error) // get key from addr and auth string
- GetKeyAddresses() ([]common.Address, error) // get all addresses
- StoreKey(*Key, string) error // store key optionally using auth string
- DeleteKey(common.Address, string) error // delete key by addr and auth string
- Cleanup(keyAddr common.Address) (err error)
-}
-
-type keyStorePlain struct {
- keysDirPath string
-}
-
-func NewKeyStorePlain(path string) KeyStore {
- return &keyStorePlain{path}
-}
-
-func (ks keyStorePlain) GenerateNewKey(rand io.Reader, auth string) (key *Key, err error) {
- return GenerateNewKeyDefault(ks, rand, auth)
-}
-
-func GenerateNewKeyDefault(ks KeyStore, rand io.Reader, auth string) (key *Key, err error) {
- defer func() {
- if r := recover(); r != nil {
- err = fmt.Errorf("GenerateNewKey error: %v", r)
- }
- }()
- key = NewKey(rand)
- err = ks.StoreKey(key, auth)
- return key, err
-}
-
-func (ks keyStorePlain) GetKey(keyAddr common.Address, auth string) (*Key, error) {
- keyjson, err := getKeyFile(ks.keysDirPath, keyAddr)
- if err != nil {
- return nil, err
- }
- key := new(Key)
- if err := json.Unmarshal(keyjson, key); err != nil {
- return nil, err
- }
- return key, nil
-}
-
-func (ks keyStorePlain) GetKeyAddresses() (addresses []common.Address, err error) {
- return getKeyAddresses(ks.keysDirPath)
-}
-
-func (ks keyStorePlain) Cleanup(keyAddr common.Address) (err error) {
- return cleanup(ks.keysDirPath, keyAddr)
-}
-
-func (ks keyStorePlain) StoreKey(key *Key, auth string) (err error) {
- keyJSON, err := json.Marshal(key)
- if err != nil {
- return
- }
- err = writeKeyFile(key.Address, ks.keysDirPath, keyJSON)
- return
-}
-
-func (ks keyStorePlain) DeleteKey(keyAddr common.Address, auth string) (err error) {
- return deleteKey(ks.keysDirPath, keyAddr)
-}
-
-func deleteKey(keysDirPath string, keyAddr common.Address) (err error) {
- var path string
- path, err = getKeyFilePath(keysDirPath, keyAddr)
- if err == nil {
- addrHex := hex.EncodeToString(keyAddr[:])
- if path == filepath.Join(keysDirPath, addrHex, addrHex) {
- path = filepath.Join(keysDirPath, addrHex)
- }
- err = os.RemoveAll(path)
- }
- return
-}
-
-func getKeyFilePath(keysDirPath string, keyAddr common.Address) (keyFilePath string, err error) {
- addrHex := hex.EncodeToString(keyAddr[:])
- matches, err := filepath.Glob(filepath.Join(keysDirPath, fmt.Sprintf("*--%s", addrHex)))
- if len(matches) > 0 {
- if err == nil {
- keyFilePath = matches[len(matches)-1]
- }
- return
- }
- keyFilePath = filepath.Join(keysDirPath, addrHex, addrHex)
- _, err = os.Stat(keyFilePath)
- return
-}
-
-func cleanup(keysDirPath string, keyAddr common.Address) (err error) {
- fileInfos, err := ioutil.ReadDir(keysDirPath)
- if err != nil {
- return
- }
- var paths []string
- account := hex.EncodeToString(keyAddr[:])
- for _, fileInfo := range fileInfos {
- path := filepath.Join(keysDirPath, fileInfo.Name())
- if len(path) >= 40 {
- addr := path[len(path)-40 : len(path)]
- if addr == account {
- if path == filepath.Join(keysDirPath, addr, addr) {
- path = filepath.Join(keysDirPath, addr)
- }
- paths = append(paths, path)
- }
- }
- }
- if len(paths) > 1 {
- for i := 0; err == nil && i < len(paths)-1; i++ {
- err = os.RemoveAll(paths[i])
- if err != nil {
- break
- }
- }
- }
- return
-}
-
-func getKeyFile(keysDirPath string, keyAddr common.Address) (fileContent []byte, err error) {
- var keyFilePath string
- keyFilePath, err = getKeyFilePath(keysDirPath, keyAddr)
- if err == nil {
- fileContent, err = ioutil.ReadFile(keyFilePath)
- }
- return
-}
-
-func writeKeyFile(addr common.Address, keysDirPath string, content []byte) (err error) {
- filename := keyFileName(addr)
- // read, write and dir search for user
- err = os.MkdirAll(keysDirPath, 0700)
- if err != nil {
- return err
- }
- // read, write for user
- return ioutil.WriteFile(filepath.Join(keysDirPath, filename), content, 0600)
-}
-
-// keyFilePath implements the naming convention for keyfiles:
-// UTC--<created_at UTC ISO8601>-<address hex>
-func keyFileName(keyAddr common.Address) string {
- ts := time.Now().UTC()
- return fmt.Sprintf("UTC--%s--%s", toISO8601(ts), hex.EncodeToString(keyAddr[:]))
-}
-
-func toISO8601(t time.Time) string {
- var tz string
- name, offset := t.Zone()
- if name == "UTC" {
- tz = "Z"
- } else {
- tz = fmt.Sprintf("%03d00", offset/3600)
- }
- return fmt.Sprintf("%04d-%02d-%02dT%02d-%02d-%02d.%09d%s", t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second(), t.Nanosecond(), tz)
-}
-
-func getKeyAddresses(keysDirPath string) (addresses []common.Address, err error) {
- fileInfos, err := ioutil.ReadDir(keysDirPath)
- if err != nil {
- return nil, err
- }
- for _, fileInfo := range fileInfos {
- filename := fileInfo.Name()
- if len(filename) >= 40 {
- addr := filename[len(filename)-40 : len(filename)]
- address, err := hex.DecodeString(addr)
- if err == nil {
- addresses = append(addresses, common.BytesToAddress(address))
- }
- }
- }
- return addresses, err
-}