3494f6b40d
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- Add AES-256-GCM encryption for API keys (internal/secret) - Add dangerous command detection in terminal - Add muyue doctor command for system health checks - Add scanner TTL cache, orchestrator history mutex, shared HTTP client - Deduplicate MCP config generation, refactor skills YAML parser - Add XDG-compliant config dir with legacy migration - Add cleanup on all TUI quit paths - Add 8 test files (config, workflow, skills, orchestrator, version, platform, scanner, secret) - Update CI to actions/setup-go@v5 - Add CHANGELOG.md, update README and Makefile 🤖 Generated with Crush Assisted-by: GLM-5.1 via Crush <crush@charm.land>
126 lines
2.4 KiB
Go
126 lines
2.4 KiB
Go
package secret
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import (
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"crypto/aes"
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"crypto/cipher"
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"crypto/rand"
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"encoding/base64"
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"fmt"
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"os"
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"path/filepath"
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"sync"
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)
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const keyFileName = ".muyue_key"
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var (
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masterKey []byte
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once sync.Once
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keyErr error
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)
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func getKey() ([]byte, error) {
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once.Do(func() {
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keyPath := keyPath()
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data, err := os.ReadFile(keyPath)
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if err == nil && len(data) == 32 {
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masterKey = data
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return
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}
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masterKey = make([]byte, 32)
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if _, err := rand.Read(masterKey); err != nil {
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keyErr = fmt.Errorf("generate key: %w", err)
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return
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}
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keyDir := filepath.Dir(keyPath)
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os.MkdirAll(keyDir, 0700)
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if err := os.WriteFile(keyPath, masterKey, 0600); err != nil {
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keyErr = fmt.Errorf("write key: %w", err)
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return
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}
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})
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return masterKey, keyErr
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}
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func keyPath() string {
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home, err := os.UserHomeDir()
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if err != nil {
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return ".muyue_key"
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}
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return filepath.Join(home, keyFileName)
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}
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func Encrypt(plaintext string) (string, error) {
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if plaintext == "" {
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return "", nil
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}
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key, err := getKey()
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if err != nil {
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return "", err
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}
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block, err := aes.NewCipher(key)
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if err != nil {
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return "", err
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}
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aesgcm, err := cipher.NewGCM(block)
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if err != nil {
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return "", err
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}
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nonce := make([]byte, aesgcm.NonceSize())
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if _, err := rand.Read(nonce); err != nil {
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return "", err
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}
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ciphertext := aesgcm.Seal(nonce, nonce, []byte(plaintext), nil)
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return base64.StdEncoding.EncodeToString(ciphertext), nil
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}
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func Decrypt(encoded string) (string, error) {
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if encoded == "" {
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return "", nil
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}
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data, err := base64.StdEncoding.DecodeString(encoded)
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if err != nil {
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return "", fmt.Errorf("decode: %w", err)
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}
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key, err := getKey()
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if err != nil {
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return "", err
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}
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block, err := aes.NewCipher(key)
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if err != nil {
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return "", err
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}
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aesgcm, err := cipher.NewGCM(block)
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if err != nil {
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return "", err
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}
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nonceSize := aesgcm.NonceSize()
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if len(data) < nonceSize {
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return "", fmt.Errorf("ciphertext too short")
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}
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nonce, ciphertext := data[:nonceSize], data[nonceSize:]
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plaintext, err := aesgcm.Open(nil, nonce, ciphertext, nil)
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if err != nil {
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return "", fmt.Errorf("decrypt: %w", err)
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}
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return string(plaintext), nil
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}
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func IsEncrypted(s string) bool {
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if s == "" {
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return false
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}
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_, err := base64.StdEncoding.DecodeString(s)
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if err != nil {
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return false
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}
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decrypted, err := Decrypt(s)
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return err == nil && decrypted != ""
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}
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func resetForTesting() {
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masterKey = nil
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keyErr = nil
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once = sync.Once{}
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}
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