From fc17a527bc2bd07fc30e16d161059a441042d5f1 Mon Sep 17 00:00:00 2001 From: zelig Date: Thu, 2 Jul 2015 22:58:00 +0100 Subject: fix account ordering * chronological order of creation * new naming scheme keystore/UTC---
* KeyStore2 -> KeyStore * backward compatibility * refactor keyStore methods --- crypto/crypto.go | 2 +- crypto/key_store_passphrase.go | 34 +++++------ crypto/key_store_plain.go | 133 +++++++++++++++++++++++++---------------- 3 files changed, 96 insertions(+), 73 deletions(-) (limited to 'crypto') diff --git a/crypto/crypto.go b/crypto/crypto.go index 153bbbc5d..deef67415 100644 --- a/crypto/crypto.go +++ b/crypto/crypto.go @@ -209,7 +209,7 @@ func ImportBlockTestKey(privKeyBytes []byte) error { } // creates a Key and stores that in the given KeyStore by decrypting a presale key JSON -func ImportPreSaleKey(keyStore KeyStore2, keyJSON []byte, password string) (*Key, error) { +func ImportPreSaleKey(keyStore KeyStore, keyJSON []byte, password string) (*Key, error) { key, err := decryptPreSaleKey(keyJSON, password) if err != nil { return nil, err diff --git a/crypto/key_store_passphrase.go b/crypto/key_store_passphrase.go index 2000a2438..d26e3407f 100644 --- a/crypto/key_store_passphrase.go +++ b/crypto/key_store_passphrase.go @@ -41,8 +41,6 @@ import ( "errors" "fmt" "io" - "os" - "path/filepath" "reflect" "code.google.com/p/go-uuid/uuid" @@ -65,7 +63,7 @@ type keyStorePassphrase struct { keysDirPath string } -func NewKeyStorePassphrase(path string) KeyStore2 { +func NewKeyStorePassphrase(path string) KeyStore { return &keyStorePassphrase{path} } @@ -74,7 +72,7 @@ func (ks keyStorePassphrase) GenerateNewKey(rand io.Reader, auth string) (key *K } func (ks keyStorePassphrase) GetKey(keyAddr common.Address, auth string) (key *Key, err error) { - keyBytes, keyId, err := DecryptKeyFromFile(ks, keyAddr, auth) + keyBytes, keyId, err := decryptKeyFromFile(ks, keyAddr, auth) if err != nil { return nil, err } @@ -87,7 +85,7 @@ func (ks keyStorePassphrase) GetKey(keyAddr common.Address, auth string) (key *K } func (ks keyStorePassphrase) GetKeyAddresses() (addresses []common.Address, err error) { - return GetKeyAddresses(ks.keysDirPath) + return getKeyAddresses(ks.keysDirPath) } func (ks keyStorePassphrase) StoreKey(key *Key, auth string) (err error) { @@ -139,42 +137,40 @@ func (ks keyStorePassphrase) StoreKey(key *Key, auth string) (err error) { return err } - return WriteKeyFile(key.Address, ks.keysDirPath, keyJSON) + return writeKeyFile(key.Address, ks.keysDirPath, keyJSON) } func (ks keyStorePassphrase) DeleteKey(keyAddr common.Address, auth string) (err error) { // only delete if correct passphrase is given - _, _, err = DecryptKeyFromFile(ks, keyAddr, auth) + _, _, err = decryptKeyFromFile(ks, keyAddr, auth) if err != nil { return err } - keyDirPath := filepath.Join(ks.keysDirPath, hex.EncodeToString(keyAddr[:])) - return os.RemoveAll(keyDirPath) + return deleteKey(ks.keysDirPath, keyAddr) } -func DecryptKeyFromFile(ks keyStorePassphrase, keyAddr common.Address, auth string) (keyBytes []byte, keyId []byte, err error) { - fileContent, err := GetKeyFile(ks.keysDirPath, keyAddr) +func decryptKeyFromFile(ks keyStorePassphrase, keyAddr common.Address, auth string) (keyBytes []byte, keyId []byte, err error) { + m := make(map[string]interface{}) + err = getKey(ks.keysDirPath, keyAddr, &m) if err != nil { - return nil, nil, err + fmt.Printf("get key error: %v\n", err) + return } - m := make(map[string]interface{}) - err = json.Unmarshal(fileContent, &m) - v := reflect.ValueOf(m["version"]) if v.Kind() == reflect.String && v.String() == "1" { k := new(encryptedKeyJSONV1) - err := json.Unmarshal(fileContent, k) + getKey(ks.keysDirPath, keyAddr, &k) if err != nil { - return nil, nil, err + return } return decryptKeyV1(k, auth) } else { k := new(encryptedKeyJSONV3) - err := json.Unmarshal(fileContent, k) + getKey(ks.keysDirPath, keyAddr, &k) if err != nil { - return nil, nil, err + return } return decryptKeyV3(k, auth) } diff --git a/crypto/key_store_plain.go b/crypto/key_store_plain.go index e3150e9a9..d785fdf68 100644 --- a/crypto/key_store_plain.go +++ b/crypto/key_store_plain.go @@ -31,18 +31,15 @@ import ( "io/ioutil" "os" "path/filepath" - "sort" - "syscall" "time" "github.com/ethereum/go-ethereum/common" ) -// TODO: rename to KeyStore when replacing existing KeyStore -type KeyStore2 interface { +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) // key from addr and auth string + 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 @@ -52,7 +49,7 @@ type keyStorePlain struct { keysDirPath string } -func NewKeyStorePlain(path string) KeyStore2 { +func NewKeyStorePlain(path string) KeyStore { return &keyStorePlain{path} } @@ -60,7 +57,7 @@ func (ks keyStorePlain) GenerateNewKey(rand io.Reader, auth string) (key *Key, e return GenerateNewKeyDefault(ks, rand, auth) } -func GenerateNewKeyDefault(ks KeyStore2, rand io.Reader, auth string) (key *Key, err error) { +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) @@ -72,81 +69,111 @@ func GenerateNewKeyDefault(ks KeyStore2, rand io.Reader, auth string) (key *Key, } func (ks keyStorePlain) GetKey(keyAddr common.Address, auth string) (key *Key, err error) { - fileContent, err := GetKeyFile(ks.keysDirPath, keyAddr) + key = new(Key) + err = getKey(ks.keysDirPath, keyAddr, key) + return +} + +func getKey(keysDirPath string, keyAddr common.Address, content interface{}) (err error) { + fileContent, err := getKeyFile(keysDirPath, keyAddr) if err != nil { - return nil, err + return } - - key = new(Key) - err = json.Unmarshal(fileContent, key) - return key, err + return json.Unmarshal(fileContent, content) } func (ks keyStorePlain) GetKeyAddresses() (addresses []common.Address, err error) { - return GetKeyAddresses(ks.keysDirPath) + return getKeyAddresses(ks.keysDirPath) } func (ks keyStorePlain) StoreKey(key *Key, auth string) (err error) { keyJSON, err := json.Marshal(key) if err != nil { - return err + return } - err = WriteKeyFile(key.Address, ks.keysDirPath, keyJSON) - return err + err = writeKeyFile(key.Address, ks.keysDirPath, keyJSON) + return } func (ks keyStorePlain) DeleteKey(keyAddr common.Address, auth string) (err error) { - keyDirPath := filepath.Join(ks.keysDirPath, keyAddr.Hex()) - err = os.RemoveAll(keyDirPath) - return err + return deleteKey(ks.keysDirPath, keyAddr) +} + +func deleteKey(keysDirPath string, keyAddr common.Address) (err error) { + var keyFilePath string + keyFilePath, err = getKeyFilePath(keysDirPath, keyAddr) + if err == nil { + err = os.Remove(keyFilePath) + } + 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 GetKeyFile(keysDirPath string, keyAddr common.Address) (fileContent []byte, err error) { - fileName := hex.EncodeToString(keyAddr[:]) - return ioutil.ReadFile(filepath.Join(keysDirPath, fileName, fileName)) +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) { - addrHex := hex.EncodeToString(addr[:]) - keyDirPath := filepath.Join(keysDirPath, addrHex) - keyFilePath := filepath.Join(keyDirPath, addrHex) - err = os.MkdirAll(keyDirPath, 0700) // read, write and dir search for user +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 } - return ioutil.WriteFile(keyFilePath, content, 0600) // read, write for user + // read, write for user + return ioutil.WriteFile(filepath.Join(keysDirPath, filename), content, 0600) } -func GetKeyAddresses(keysDirPath string) (addresses []common.Address, err error) { +// keyFilePath implements the naming convention for keyfiles: +// UTC---
+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 } - var kfis keyFileInfos for _, fileInfo := range fileInfos { - stat := fileInfo.Sys().(*syscall.Stat_t) - ctime := time.Unix(int64(stat.Ctimespec.Sec), int64(stat.Ctimespec.Nsec)) - kfis = append(kfis, keyFileInfo{fileInfo.Name(), ctime}) - } - sort.Sort(kfis) - for _, kfi := range kfis { - address, err := hex.DecodeString(kfi.name) - if err != nil { - continue + 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)) + } } - addresses = append(addresses, common.BytesToAddress(address)) } return addresses, err } - -type keyFileInfo struct { - name string - ctime time.Time -} -type keyFileInfos []keyFileInfo - -func (a keyFileInfos) Len() int { return len(a) } -func (a keyFileInfos) Swap(i, j int) { a[i], a[j] = a[j], a[i] } -func (a keyFileInfos) Less(i, j int) bool { - return a[i].ctime.Before(a[j].ctime) -} -- cgit v1.2.3