feat: 品牌重命名 Sub2API -> TianShuAPI
- 前端: 所有界面显示、i18n 文本、组件中的品牌名称 - 后端: 服务层、设置默认值、邮件模板、安装向导 - 数据库: 迁移脚本注释 - 保持功能完全一致，仅更改品牌名称 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
huangzhenpc
@@ -1,271 +1,271 @@
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package service
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import (
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"context"
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"crypto/rand"
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"regexp"
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"strconv"
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"time"
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)
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// 预编译正则表达式（避免每次调用重新编译）
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var (
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// 匹配 user_id 格式: user_{64位hex}_account__session_{uuid}
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userIDRegex = regexp.MustCompile(`^user_[a-f0-9]{64}_account__session_([a-f0-9-]{36})$`)
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// 匹配 User-Agent 版本号: xxx/x.y.z
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userAgentVersionRegex = regexp.MustCompile(`/(\d+)\.(\d+)\.(\d+)`)
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)
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// 默认指纹值（当客户端未提供时使用）
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var defaultFingerprint = Fingerprint{
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UserAgent: "claude-cli/2.0.62 (external, cli)",
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StainlessLang: "js",
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StainlessPackageVersion: "0.52.0",
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StainlessOS: "Linux",
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StainlessArch: "x64",
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StainlessRuntime: "node",
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StainlessRuntimeVersion: "v22.14.0",
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}
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// Fingerprint represents account fingerprint data
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type Fingerprint struct {
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ClientID string
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UserAgent string
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StainlessLang string
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StainlessPackageVersion string
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StainlessOS string
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StainlessArch string
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StainlessRuntime string
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StainlessRuntimeVersion string
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}
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// IdentityCache defines cache operations for identity service
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type IdentityCache interface {
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GetFingerprint(ctx context.Context, accountID int64) (*Fingerprint, error)
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SetFingerprint(ctx context.Context, accountID int64, fp *Fingerprint) error
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}
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// IdentityService 管理OAuth账号的请求身份指纹
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type IdentityService struct {
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cache IdentityCache
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}
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// NewIdentityService 创建新的IdentityService
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func NewIdentityService(cache IdentityCache) *IdentityService {
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return &IdentityService{cache: cache}
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}
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// GetOrCreateFingerprint 获取或创建账号的指纹
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// 如果缓存存在，检测user-agent版本，新版本则更新
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// 如果缓存不存在，生成随机ClientID并从请求头创建指纹，然后缓存
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func (s *IdentityService) GetOrCreateFingerprint(ctx context.Context, accountID int64, headers http.Header) (*Fingerprint, error) {
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// 尝试从缓存获取指纹
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cached, err := s.cache.GetFingerprint(ctx, accountID)
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if err == nil && cached != nil {
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// 检查客户端的user-agent是否是更新版本
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clientUA := headers.Get("User-Agent")
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if clientUA != "" && isNewerVersion(clientUA, cached.UserAgent) {
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// 更新user-agent
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cached.UserAgent = clientUA
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// 保存更新后的指纹
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_ = s.cache.SetFingerprint(ctx, accountID, cached)
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log.Printf("Updated fingerprint user-agent for account %d: %s", accountID, clientUA)
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}
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return cached, nil
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}
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// 缓存不存在或解析失败，创建新指纹
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fp := s.createFingerprintFromHeaders(headers)
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// 生成随机ClientID
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fp.ClientID = generateClientID()
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// 保存到缓存（永不过期）
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if err := s.cache.SetFingerprint(ctx, accountID, fp); err != nil {
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log.Printf("Warning: failed to cache fingerprint for account %d: %v", accountID, err)
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}
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log.Printf("Created new fingerprint for account %d with client_id: %s", accountID, fp.ClientID)
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return fp, nil
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}
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// createFingerprintFromHeaders 从请求头创建指纹
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func (s *IdentityService) createFingerprintFromHeaders(headers http.Header) *Fingerprint {
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fp := &Fingerprint{}
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// 获取User-Agent
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if ua := headers.Get("User-Agent"); ua != "" {
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fp.UserAgent = ua
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} else {
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fp.UserAgent = defaultFingerprint.UserAgent
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}
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// 获取x-stainless-*头，如果没有则使用默认值
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fp.StainlessLang = getHeaderOrDefault(headers, "X-Stainless-Lang", defaultFingerprint.StainlessLang)
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fp.StainlessPackageVersion = getHeaderOrDefault(headers, "X-Stainless-Package-Version", defaultFingerprint.StainlessPackageVersion)
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fp.StainlessOS = getHeaderOrDefault(headers, "X-Stainless-OS", defaultFingerprint.StainlessOS)
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fp.StainlessArch = getHeaderOrDefault(headers, "X-Stainless-Arch", defaultFingerprint.StainlessArch)
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fp.StainlessRuntime = getHeaderOrDefault(headers, "X-Stainless-Runtime", defaultFingerprint.StainlessRuntime)
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fp.StainlessRuntimeVersion = getHeaderOrDefault(headers, "X-Stainless-Runtime-Version", defaultFingerprint.StainlessRuntimeVersion)
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return fp
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}
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// getHeaderOrDefault 获取header值，如果不存在则返回默认值
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func getHeaderOrDefault(headers http.Header, key, defaultValue string) string {
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if v := headers.Get(key); v != "" {
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return v
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}
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return defaultValue
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}
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// ApplyFingerprint 将指纹应用到请求头（覆盖原有的x-stainless-*头）
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func (s *IdentityService) ApplyFingerprint(req *http.Request, fp *Fingerprint) {
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if fp == nil {
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return
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}
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// 设置user-agent
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if fp.UserAgent != "" {
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req.Header.Set("user-agent", fp.UserAgent)
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}
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// 设置x-stainless-*头
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if fp.StainlessLang != "" {
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req.Header.Set("X-Stainless-Lang", fp.StainlessLang)
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}
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if fp.StainlessPackageVersion != "" {
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req.Header.Set("X-Stainless-Package-Version", fp.StainlessPackageVersion)
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}
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if fp.StainlessOS != "" {
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req.Header.Set("X-Stainless-OS", fp.StainlessOS)
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}
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if fp.StainlessArch != "" {
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req.Header.Set("X-Stainless-Arch", fp.StainlessArch)
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}
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if fp.StainlessRuntime != "" {
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req.Header.Set("X-Stainless-Runtime", fp.StainlessRuntime)
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}
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if fp.StainlessRuntimeVersion != "" {
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req.Header.Set("X-Stainless-Runtime-Version", fp.StainlessRuntimeVersion)
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}
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}
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// RewriteUserID 重写body中的metadata.user_id
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// 输入格式：user_{clientId}_account__session_{sessionUUID}
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// 输出格式：user_{cachedClientID}_account_{accountUUID}_session_{newHash}
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func (s *IdentityService) RewriteUserID(body []byte, accountID int64, accountUUID, cachedClientID string) ([]byte, error) {
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if len(body) == 0 || accountUUID == "" || cachedClientID == "" {
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return body, nil
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}
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// 解析JSON
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var reqMap map[string]any
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if err := json.Unmarshal(body, &reqMap); err != nil {
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return body, nil
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}
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metadata, ok := reqMap["metadata"].(map[string]any)
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if !ok {
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return body, nil
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}
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userID, ok := metadata["user_id"].(string)
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if !ok || userID == "" {
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return body, nil
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}
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// 匹配格式: user_{64位hex}_account__session_{uuid}
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matches := userIDRegex.FindStringSubmatch(userID)
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if matches == nil {
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return body, nil
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}
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sessionTail := matches[1] // 原始session UUID
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// 生成新的session hash: SHA256(accountID::sessionTail) -> UUID格式
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seed := fmt.Sprintf("%d::%s", accountID, sessionTail)
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newSessionHash := generateUUIDFromSeed(seed)
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// 构建新的user_id
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// 格式: user_{cachedClientID}_account_{account_uuid}_session_{newSessionHash}
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newUserID := fmt.Sprintf("user_%s_account_%s_session_%s", cachedClientID, accountUUID, newSessionHash)
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metadata["user_id"] = newUserID
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reqMap["metadata"] = metadata
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return json.Marshal(reqMap)
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}
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// generateClientID 生成64位十六进制客户端ID（32字节随机数）
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func generateClientID() string {
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b := make([]byte, 32)
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if _, err := rand.Read(b); err != nil {
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// 极罕见的情况，使用时间戳+固定值作为fallback
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log.Printf("Warning: crypto/rand.Read failed: %v, using fallback", err)
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// 使用SHA256(当前纳秒时间)作为fallback
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h := sha256.Sum256([]byte(fmt.Sprintf("%d", time.Now().UnixNano())))
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return hex.EncodeToString(h[:])
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}
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return hex.EncodeToString(b)
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}
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// generateUUIDFromSeed 从种子生成确定性UUID v4格式字符串
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func generateUUIDFromSeed(seed string) string {
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hash := sha256.Sum256([]byte(seed))
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bytes := hash[:16]
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// 设置UUID v4版本和变体位
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bytes[6] = (bytes[6] & 0x0f) | 0x40
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bytes[8] = (bytes[8] & 0x3f) | 0x80
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return fmt.Sprintf("%x-%x-%x-%x-%x",
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bytes[0:4], bytes[4:6], bytes[6:8], bytes[8:10], bytes[10:16])
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}
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// parseUserAgentVersion 解析user-agent版本号
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// 例如：claude-cli/2.0.62 -> (2, 0, 62)
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func parseUserAgentVersion(ua string) (major, minor, patch int, ok bool) {
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// 匹配 xxx/x.y.z 格式
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matches := userAgentVersionRegex.FindStringSubmatch(ua)
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if len(matches) != 4 {
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return 0, 0, 0, false
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}
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major, _ = strconv.Atoi(matches[1])
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minor, _ = strconv.Atoi(matches[2])
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patch, _ = strconv.Atoi(matches[3])
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return major, minor, patch, true
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}
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// isNewerVersion 比较版本号，判断newUA是否比cachedUA更新
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func isNewerVersion(newUA, cachedUA string) bool {
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newMajor, newMinor, newPatch, newOk := parseUserAgentVersion(newUA)
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cachedMajor, cachedMinor, cachedPatch, cachedOk := parseUserAgentVersion(cachedUA)
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if !newOk || !cachedOk {
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return false
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}
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// 比较版本号
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if newMajor > cachedMajor {
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return true
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}
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if newMajor < cachedMajor {
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return false
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}
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if newMinor > cachedMinor {
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return true
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}
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if newMinor < cachedMinor {
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return false
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}
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return newPatch > cachedPatch
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}
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package service
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import (
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"context"
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"crypto/rand"
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"regexp"
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"strconv"
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"time"
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)
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// 预编译正则表达式（避免每次调用重新编译）
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var (
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// 匹配 user_id 格式: user_{64位hex}_account__session_{uuid}
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userIDRegex = regexp.MustCompile(`^user_[a-f0-9]{64}_account__session_([a-f0-9-]{36})$`)
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// 匹配 User-Agent 版本号: xxx/x.y.z
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userAgentVersionRegex = regexp.MustCompile(`/(\d+)\.(\d+)\.(\d+)`)
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)
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// 默认指纹值（当客户端未提供时使用）
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var defaultFingerprint = Fingerprint{
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UserAgent: "claude-cli/2.0.62 (external, cli)",
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StainlessLang: "js",
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StainlessPackageVersion: "0.52.0",
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StainlessOS: "Linux",
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StainlessArch: "x64",
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StainlessRuntime: "node",
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StainlessRuntimeVersion: "v22.14.0",
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}
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// Fingerprint represents account fingerprint data
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type Fingerprint struct {
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ClientID string
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UserAgent string
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StainlessLang string
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StainlessPackageVersion string
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StainlessOS string
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StainlessArch string
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StainlessRuntime string
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StainlessRuntimeVersion string
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}
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// IdentityCache defines cache operations for identity service
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type IdentityCache interface {
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GetFingerprint(ctx context.Context, accountID int64) (*Fingerprint, error)
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SetFingerprint(ctx context.Context, accountID int64, fp *Fingerprint) error
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}
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// IdentityService 管理OAuth账号的请求身份指纹
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type IdentityService struct {
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cache IdentityCache
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}
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// NewIdentityService 创建新的IdentityService
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func NewIdentityService(cache IdentityCache) *IdentityService {
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return &IdentityService{cache: cache}
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}
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// GetOrCreateFingerprint 获取或创建账号的指纹
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// 如果缓存存在，检测user-agent版本，新版本则更新
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// 如果缓存不存在，生成随机ClientID并从请求头创建指纹，然后缓存
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func (s *IdentityService) GetOrCreateFingerprint(ctx context.Context, accountID int64, headers http.Header) (*Fingerprint, error) {
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// 尝试从缓存获取指纹
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cached, err := s.cache.GetFingerprint(ctx, accountID)
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if err == nil && cached != nil {
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// 检查客户端的user-agent是否是更新版本
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clientUA := headers.Get("User-Agent")
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if clientUA != "" && isNewerVersion(clientUA, cached.UserAgent) {
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// 更新user-agent
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cached.UserAgent = clientUA
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// 保存更新后的指纹
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_ = s.cache.SetFingerprint(ctx, accountID, cached)
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log.Printf("Updated fingerprint user-agent for account %d: %s", accountID, clientUA)
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}
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return cached, nil
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}
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// 缓存不存在或解析失败，创建新指纹
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fp := s.createFingerprintFromHeaders(headers)
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// 生成随机ClientID
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fp.ClientID = generateClientID()
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// 保存到缓存（永不过期）
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if err := s.cache.SetFingerprint(ctx, accountID, fp); err != nil {
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log.Printf("Warning: failed to cache fingerprint for account %d: %v", accountID, err)
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}
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log.Printf("Created new fingerprint for account %d with client_id: %s", accountID, fp.ClientID)
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return fp, nil
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}
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// createFingerprintFromHeaders 从请求头创建指纹
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func (s *IdentityService) createFingerprintFromHeaders(headers http.Header) *Fingerprint {
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fp := &Fingerprint{}
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// 获取User-Agent
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if ua := headers.Get("User-Agent"); ua != "" {
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fp.UserAgent = ua
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} else {
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fp.UserAgent = defaultFingerprint.UserAgent
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}
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// 获取x-stainless-*头，如果没有则使用默认值
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fp.StainlessLang = getHeaderOrDefault(headers, "X-Stainless-Lang", defaultFingerprint.StainlessLang)
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fp.StainlessPackageVersion = getHeaderOrDefault(headers, "X-Stainless-Package-Version", defaultFingerprint.StainlessPackageVersion)
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fp.StainlessOS = getHeaderOrDefault(headers, "X-Stainless-OS", defaultFingerprint.StainlessOS)
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fp.StainlessArch = getHeaderOrDefault(headers, "X-Stainless-Arch", defaultFingerprint.StainlessArch)
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fp.StainlessRuntime = getHeaderOrDefault(headers, "X-Stainless-Runtime", defaultFingerprint.StainlessRuntime)
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fp.StainlessRuntimeVersion = getHeaderOrDefault(headers, "X-Stainless-Runtime-Version", defaultFingerprint.StainlessRuntimeVersion)
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return fp
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}
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// getHeaderOrDefault 获取header值，如果不存在则返回默认值
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func getHeaderOrDefault(headers http.Header, key, defaultValue string) string {
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if v := headers.Get(key); v != "" {
|
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return v
|
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}
|
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return defaultValue
|
||||
}
|
||||
|
||||
// ApplyFingerprint 将指纹应用到请求头（覆盖原有的x-stainless-*头）
|
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func (s *IdentityService) ApplyFingerprint(req *http.Request, fp *Fingerprint) {
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if fp == nil {
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return
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}
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// 设置user-agent
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if fp.UserAgent != "" {
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req.Header.Set("user-agent", fp.UserAgent)
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}
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// 设置x-stainless-*头
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if fp.StainlessLang != "" {
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req.Header.Set("X-Stainless-Lang", fp.StainlessLang)
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}
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if fp.StainlessPackageVersion != "" {
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req.Header.Set("X-Stainless-Package-Version", fp.StainlessPackageVersion)
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}
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if fp.StainlessOS != "" {
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req.Header.Set("X-Stainless-OS", fp.StainlessOS)
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}
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if fp.StainlessArch != "" {
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req.Header.Set("X-Stainless-Arch", fp.StainlessArch)
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}
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if fp.StainlessRuntime != "" {
|
||||
req.Header.Set("X-Stainless-Runtime", fp.StainlessRuntime)
|
||||
}
|
||||
if fp.StainlessRuntimeVersion != "" {
|
||||
req.Header.Set("X-Stainless-Runtime-Version", fp.StainlessRuntimeVersion)
|
||||
}
|
||||
}
|
||||
|
||||
// RewriteUserID 重写body中的metadata.user_id
|
||||
// 输入格式：user_{clientId}_account__session_{sessionUUID}
|
||||
// 输出格式：user_{cachedClientID}_account_{accountUUID}_session_{newHash}
|
||||
func (s *IdentityService) RewriteUserID(body []byte, accountID int64, accountUUID, cachedClientID string) ([]byte, error) {
|
||||
if len(body) == 0 || accountUUID == "" || cachedClientID == "" {
|
||||
return body, nil
|
||||
}
|
||||
|
||||
// 解析JSON
|
||||
var reqMap map[string]any
|
||||
if err := json.Unmarshal(body, &reqMap); err != nil {
|
||||
return body, nil
|
||||
}
|
||||
|
||||
metadata, ok := reqMap["metadata"].(map[string]any)
|
||||
if !ok {
|
||||
return body, nil
|
||||
}
|
||||
|
||||
userID, ok := metadata["user_id"].(string)
|
||||
if !ok || userID == "" {
|
||||
return body, nil
|
||||
}
|
||||
|
||||
// 匹配格式: user_{64位hex}_account__session_{uuid}
|
||||
matches := userIDRegex.FindStringSubmatch(userID)
|
||||
if matches == nil {
|
||||
return body, nil
|
||||
}
|
||||
|
||||
sessionTail := matches[1] // 原始session UUID
|
||||
|
||||
// 生成新的session hash: SHA256(accountID::sessionTail) -> UUID格式
|
||||
seed := fmt.Sprintf("%d::%s", accountID, sessionTail)
|
||||
newSessionHash := generateUUIDFromSeed(seed)
|
||||
|
||||
// 构建新的user_id
|
||||
// 格式: user_{cachedClientID}_account_{account_uuid}_session_{newSessionHash}
|
||||
newUserID := fmt.Sprintf("user_%s_account_%s_session_%s", cachedClientID, accountUUID, newSessionHash)
|
||||
|
||||
metadata["user_id"] = newUserID
|
||||
reqMap["metadata"] = metadata
|
||||
|
||||
return json.Marshal(reqMap)
|
||||
}
|
||||
|
||||
// generateClientID 生成64位十六进制客户端ID（32字节随机数）
|
||||
func generateClientID() string {
|
||||
b := make([]byte, 32)
|
||||
if _, err := rand.Read(b); err != nil {
|
||||
// 极罕见的情况，使用时间戳+固定值作为fallback
|
||||
log.Printf("Warning: crypto/rand.Read failed: %v, using fallback", err)
|
||||
// 使用SHA256(当前纳秒时间)作为fallback
|
||||
h := sha256.Sum256([]byte(fmt.Sprintf("%d", time.Now().UnixNano())))
|
||||
return hex.EncodeToString(h[:])
|
||||
}
|
||||
return hex.EncodeToString(b)
|
||||
}
|
||||
|
||||
// generateUUIDFromSeed 从种子生成确定性UUID v4格式字符串
|
||||
func generateUUIDFromSeed(seed string) string {
|
||||
hash := sha256.Sum256([]byte(seed))
|
||||
bytes := hash[:16]
|
||||
|
||||
// 设置UUID v4版本和变体位
|
||||
bytes[6] = (bytes[6] & 0x0f) | 0x40
|
||||
bytes[8] = (bytes[8] & 0x3f) | 0x80
|
||||
|
||||
return fmt.Sprintf("%x-%x-%x-%x-%x",
|
||||
bytes[0:4], bytes[4:6], bytes[6:8], bytes[8:10], bytes[10:16])
|
||||
}
|
||||
|
||||
// parseUserAgentVersion 解析user-agent版本号
|
||||
// 例如：claude-cli/2.0.62 -> (2, 0, 62)
|
||||
func parseUserAgentVersion(ua string) (major, minor, patch int, ok bool) {
|
||||
// 匹配 xxx/x.y.z 格式
|
||||
matches := userAgentVersionRegex.FindStringSubmatch(ua)
|
||||
if len(matches) != 4 {
|
||||
return 0, 0, 0, false
|
||||
}
|
||||
major, _ = strconv.Atoi(matches[1])
|
||||
minor, _ = strconv.Atoi(matches[2])
|
||||
patch, _ = strconv.Atoi(matches[3])
|
||||
return major, minor, patch, true
|
||||
}
|
||||
|
||||
// isNewerVersion 比较版本号，判断newUA是否比cachedUA更新
|
||||
func isNewerVersion(newUA, cachedUA string) bool {
|
||||
newMajor, newMinor, newPatch, newOk := parseUserAgentVersion(newUA)
|
||||
cachedMajor, cachedMinor, cachedPatch, cachedOk := parseUserAgentVersion(cachedUA)
|
||||
|
||||
if !newOk || !cachedOk {
|
||||
return false
|
||||
}
|
||||
|
||||
// 比较版本号
|
||||
if newMajor > cachedMajor {
|
||||
return true
|
||||
}
|
||||
if newMajor < cachedMajor {
|
||||
return false
|
||||
}
|
||||
|
||||
if newMinor > cachedMinor {
|
||||
return true
|
||||
}
|
||||
if newMinor < cachedMinor {
|
||||
return false
|
||||
}
|
||||
|
||||
return newPatch > cachedPatch
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user