feat(plugin): 实现插件安全验证和审计日志功能
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- 添加插件签名验证机制,支持远程证书吊销列表
- 增加插件安装时的安全检查和签名验证
- 实现插件版本存储的HMAC完整性校验
- 添加插件审计日志记录插件安装和验证事件
- 增加JS插件沙箱安全限制配置
- 添加插件商店API的签名URL字段支持
- 实现安全配置的自动刷新机制
This commit is contained in:
Flik
2025-12-30 22:06:33 +08:00
parent 4d2a2a7117
commit 42e11e0aca
13 changed files with 686 additions and 31 deletions

View File

@@ -1,7 +1,13 @@
package sign
import (
"encoding/json"
"fmt"
"io"
"log"
"net/http"
"sync"
"time"
)
// RevocationEntry 撤销条目
@@ -20,7 +26,7 @@ type RevocationList struct {
Signature string `json:"signature"` // 列表签名
}
// 内置撤销列表(编译时确定)
// 内置撤销列表(编译时确定,作为 fallback
var builtinRevocations = []RevocationEntry{
// 示例:{PluginName: "malicious-plugin", Reason: "security vulnerability"}
}
@@ -28,8 +34,42 @@ var builtinRevocations = []RevocationEntry{
var (
revocationCache map[string][]RevocationEntry // pluginName -> entries
revocationCacheOnce sync.Once
revocationMu sync.RWMutex
currentListVersion int
lastFetchTime time.Time
)
// RevocationConfig 远程撤销列表配置
type RevocationConfig struct {
RemoteURL string // 远程撤销列表 URL
FetchInterval time.Duration // 拉取间隔
RequestTimeout time.Duration // 请求超时
VerifySignature bool // 是否验证签名
}
var defaultRevocationConfig = RevocationConfig{
RemoteURL: "", // 默认为空,不启用远程拉取
FetchInterval: 1 * time.Hour,
RequestTimeout: 10 * time.Second,
VerifySignature: true,
}
var revocationConfig = defaultRevocationConfig
// SetRevocationConfig 设置远程撤销列表配置
func SetRevocationConfig(cfg RevocationConfig) {
revocationMu.Lock()
defer revocationMu.Unlock()
revocationConfig = cfg
}
// GetRevocationConfig 获取当前配置
func GetRevocationConfig() RevocationConfig {
revocationMu.RLock()
defer revocationMu.RUnlock()
return revocationConfig
}
// initRevocationCache 初始化撤销缓存
func initRevocationCache() {
revocationCache = make(map[string][]RevocationEntry)
@@ -43,6 +83,9 @@ func initRevocationCache() {
func IsPluginRevoked(name, version string) (bool, string) {
revocationCacheOnce.Do(initRevocationCache)
revocationMu.RLock()
defer revocationMu.RUnlock()
entries, ok := revocationCache[name]
if !ok {
return false, ""
@@ -56,3 +99,144 @@ func IsPluginRevoked(name, version string) (bool, string) {
}
return false, ""
}
// FetchRemoteRevocationList 从远程拉取撤销列表
func FetchRemoteRevocationList() error {
cfg := GetRevocationConfig()
if cfg.RemoteURL == "" {
return nil // 未配置远程 URL跳过
}
// 检查是否需要刷新
revocationMu.RLock()
if time.Since(lastFetchTime) < cfg.FetchInterval {
revocationMu.RUnlock()
return nil
}
revocationMu.RUnlock()
// 发起 HTTP 请求
client := &http.Client{Timeout: cfg.RequestTimeout}
resp, err := client.Get(cfg.RemoteURL)
if err != nil {
return fmt.Errorf("fetch revocation list: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("fetch revocation list: status %d", resp.StatusCode)
}
body, err := io.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("read revocation list: %w", err)
}
var list RevocationList
if err := json.Unmarshal(body, &list); err != nil {
return fmt.Errorf("parse revocation list: %w", err)
}
// 验证签名
if cfg.VerifySignature {
if err := verifyRevocationListSignature(&list); err != nil {
return fmt.Errorf("verify revocation list: %w", err)
}
}
// 更新缓存
return updateRevocationCache(&list)
}
// verifyRevocationListSignature 验证撤销列表签名
func verifyRevocationListSignature(list *RevocationList) error {
if list.Signature == "" {
return fmt.Errorf("missing signature")
}
// 获取官方公钥
pubKey, err := GetOfficialPublicKey()
if err != nil {
return fmt.Errorf("get public key: %w", err)
}
// 构造待签名数据(不含签名字段)
signData := struct {
Version int `json:"version"`
UpdatedAt int64 `json:"updated_at"`
Entries []RevocationEntry `json:"entries"`
}{
Version: list.Version,
UpdatedAt: list.UpdatedAt,
Entries: list.Entries,
}
data, err := json.Marshal(signData)
if err != nil {
return fmt.Errorf("marshal sign data: %w", err)
}
return VerifyBase64(pubKey, data, list.Signature)
}
// updateRevocationCache 更新撤销缓存
func updateRevocationCache(list *RevocationList) error {
revocationMu.Lock()
defer revocationMu.Unlock()
// 检查版本号,防止回滚攻击
if list.Version < currentListVersion {
return fmt.Errorf("revocation list version rollback: %d < %d", list.Version, currentListVersion)
}
// 重建缓存:先加载内置列表,再合并远程列表
newCache := make(map[string][]RevocationEntry)
for _, entry := range builtinRevocations {
newCache[entry.PluginName] = append(newCache[entry.PluginName], entry)
}
for _, entry := range list.Entries {
newCache[entry.PluginName] = append(newCache[entry.PluginName], entry)
}
revocationCache = newCache
currentListVersion = list.Version
lastFetchTime = time.Now()
log.Printf("[Revocation] Updated to version %d with %d entries", list.Version, len(list.Entries))
return nil
}
// StartRevocationRefresher 启动后台刷新协程
func StartRevocationRefresher(stopCh <-chan struct{}) {
cfg := GetRevocationConfig()
if cfg.RemoteURL == "" {
return
}
// 立即执行一次
if err := FetchRemoteRevocationList(); err != nil {
log.Printf("[Revocation] Initial fetch failed: %v", err)
}
ticker := time.NewTicker(cfg.FetchInterval)
defer ticker.Stop()
for {
select {
case <-ticker.C:
if err := FetchRemoteRevocationList(); err != nil {
log.Printf("[Revocation] Refresh failed: %v", err)
}
case <-stopCh:
log.Printf("[Revocation] Refresher stopped")
return
}
}
}
// GetRevocationListVersion 获取当前撤销列表版本
func GetRevocationListVersion() int {
revocationMu.RLock()
defer revocationMu.RUnlock()
return currentListVersion
}