Smail/backend/config/storage_test.go
smail f60d3b0880
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整理前后端与测试构建目录并完善配置和安全引导
统一 frontend、backend、test、test-log 和 out 目录,更新构建、部署及测试入口;纳入配置管理兼容与首次安全引导修复;排除本机配置、密钥和测试产物。
2026-09-05 19:19:52 +08:00

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package config
import (
"bytes"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
)
func TestConfigFileUsesRestrictedAtomicStorage(t *testing.T) {
oldRoot := ROOT_PATH
ROOT_PATH = t.TempDir() + string(os.PathSeparator)
t.Cleanup(func() { ROOT_PATH = oldRoot })
if err := writeConfigFile("config.json", []byte(`{"version":1}`)); err != nil {
t.Fatal(err)
}
if err := writeConfigFile("config.json", []byte(`{"version":2}`)); err != nil {
t.Fatal(err)
}
data, err := readConfigFile("config.json")
if err != nil {
t.Fatal(err)
}
if string(data) != `{"version":2}` {
t.Fatalf("配置文件内容为 %q,期望原子替换后的内容", data)
}
directory := filepath.Join(ROOT_PATH, "config")
entries, err := os.ReadDir(directory)
if err != nil {
t.Fatal(err)
}
for _, entry := range entries {
if strings.HasPrefix(entry.Name(), ".config.json-") {
t.Fatalf("残留配置临时文件: %s", entry.Name())
}
}
if runtime.GOOS != "windows" {
fileInfo, statErr := os.Stat(filepath.Join(directory, "config.json"))
if statErr != nil {
t.Fatal(statErr)
}
if fileInfo.Mode().Perm() != 0600 {
t.Fatalf("配置文件权限为 %o,期望 600", fileInfo.Mode().Perm())
}
directoryInfo, statErr := os.Stat(directory)
if statErr != nil {
t.Fatal(statErr)
}
if directoryInfo.Mode().Perm() != 0700 {
t.Fatalf("配置目录权限为 %o,期望 700", directoryInfo.Mode().Perm())
}
}
}
func TestConfigStorageRejectsSymlinkDirectory(t *testing.T) {
oldRoot := ROOT_PATH
root := t.TempDir()
ROOT_PATH = root + string(os.PathSeparator)
t.Cleanup(func() { ROOT_PATH = oldRoot })
outside := filepath.Join(t.TempDir(), "outside")
if err := os.Mkdir(outside, 0700); err != nil {
t.Fatal(err)
}
if err := os.Symlink(outside, filepath.Join(root, "config")); err != nil {
t.Skipf("当前环境不支持符号链接测试: %v", err)
}
if err := writeConfigFile("config.json", []byte(`{"safe":true}`)); err == nil {
t.Fatal("配置符号链接目录应被拒绝")
}
}
func TestConfigStorageRejectsSymlinkFile(t *testing.T) {
oldRoot := ROOT_PATH
ROOT_PATH = t.TempDir() + string(os.PathSeparator)
t.Cleanup(func() { ROOT_PATH = oldRoot })
directory, err := ensureSecureConfigDirectory()
if err != nil {
t.Fatal(err)
}
outsidePath := filepath.Join(t.TempDir(), "outside.json")
original := []byte(`{"outside":true}`)
if err := os.WriteFile(outsidePath, original, 0600); err != nil {
t.Fatal(err)
}
if err := os.Symlink(outsidePath, filepath.Join(directory, "config.json")); err != nil {
t.Skipf("当前环境不支持符号链接测试: %v", err)
}
if err := writeConfigFile("config.json", []byte(`{"safe":true}`)); err == nil {
t.Fatal("配置符号链接文件应被拒绝")
}
if _, err := readConfigFile("config.json"); err == nil {
t.Fatal("配置读取不应跟随符号链接")
}
outsideData, err := os.ReadFile(outsidePath)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(outsideData, original) {
t.Fatal("拒绝配置符号链接时不应修改外部文件")
}
}