修雨
bfd48b6a71
* fix: preserve auth across macOS keychain modes * docs(auth): clarify per-profile recovery * fix(auth): add safe macOS keychain migration * ci: add native Windows auth coverage * ci: scope Windows checks to auth paths * fix(auth): address keychain review boundaries
93 lines
2.8 KiB
Go
93 lines
2.8 KiB
Go
// Copyright 2026 Alibaba Group
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build darwin
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package keychain
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/google/uuid"
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)
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type fileDEKMigrationEntry struct {
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path string
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plaintext string
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encrypted []byte
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}
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func platformMigrateToFileDEK(service string, dryRun bool) (int, error) {
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if os.Getenv(DisableKeychainEnv) != "" {
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return 0, fmt.Errorf("file-DEK migration requires system Keychain mode; unset %s and retry", DisableKeychainEnv)
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}
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paths, err := authTokenCiphertextPaths(service)
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if err != nil {
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return 0, err
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}
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entries := make([]fileDEKMigrationEntry, 0, len(paths))
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for _, path := range paths {
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ciphertext, err := os.ReadFile(path)
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if err != nil {
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return 0, fmt.Errorf("read keychain entry %q: %w", filepath.Base(path), err)
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}
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plaintext, _, err := decryptWithAvailableDEK(service, ciphertext)
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if err != nil {
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return 0, fmt.Errorf("validate keychain entry %q before migration: %w", filepath.Base(path), err)
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}
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entries = append(entries, fileDEKMigrationEntry{path: path, plaintext: plaintext})
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}
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if dryRun || len(entries) == 0 {
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return len(entries), nil
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}
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fileKey, err := fileDEK(service)
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if err != nil {
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return 0, fmt.Errorf("prepare file DEK: %w", err)
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}
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for i := range entries {
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entries[i].encrypted, err = encryptData(entries[i].plaintext, fileKey)
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if err != nil {
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return 0, fmt.Errorf("encrypt keychain entry %q: %w", filepath.Base(entries[i].path), err)
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}
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if _, err := decryptData(entries[i].encrypted, fileKey); err != nil {
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return 0, fmt.Errorf("verify migrated keychain entry %q: %w", filepath.Base(entries[i].path), err)
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}
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}
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tempPaths := make([]string, 0, len(entries))
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defer func() {
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for _, path := range tempPaths {
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_ = os.Remove(path)
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}
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}()
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for _, entry := range entries {
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tmpPath := entry.path + "." + uuid.New().String() + ".migrate.tmp"
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if err := os.WriteFile(tmpPath, entry.encrypted, 0600); err != nil {
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return 0, fmt.Errorf("stage keychain entry %q: %w", filepath.Base(entry.path), err)
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}
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tempPaths = append(tempPaths, tmpPath)
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}
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for i, entry := range entries {
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if err := os.Rename(tempPaths[i], entry.path); err != nil {
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return 0, fmt.Errorf("commit keychain entry %q: %w; rerun the migration to finish", filepath.Base(entry.path), err)
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}
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tempPaths[i] = ""
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}
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return len(entries), nil
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}
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