Files
sub2api/backend/internal/service/token_refresher.go
huangzhenpc d274c8cb14
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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>
2026-01-04 17:50:29 +08:00

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package service
import (
"context"
"strconv"
"time"
)
// TokenRefresher 定义平台特定的token刷新策略接口
// 通过此接口可以扩展支持不同平台Anthropic/OpenAI/Gemini
type TokenRefresher interface {
// CanRefresh 检查此刷新器是否能处理指定账号
CanRefresh(account *Account) bool
// NeedsRefresh 检查账号的token是否需要刷新
NeedsRefresh(account *Account, refreshWindow time.Duration) bool
// Refresh 执行token刷新返回更新后的credentials
// 注意返回的map应该保留原有credentials中的所有字段只更新token相关字段
Refresh(ctx context.Context, account *Account) (map[string]any, error)
}
// ClaudeTokenRefresher 处理Anthropic/Claude OAuth token刷新
type ClaudeTokenRefresher struct {
oauthService *OAuthService
}
// NewClaudeTokenRefresher 创建Claude token刷新器
func NewClaudeTokenRefresher(oauthService *OAuthService) *ClaudeTokenRefresher {
return &ClaudeTokenRefresher{
oauthService: oauthService,
}
}
// CanRefresh 检查是否能处理此账号
// 只处理 anthropic 平台的 oauth 类型账号
// setup-token 虽然也是OAuth但有效期1年不需要频繁刷新
func (r *ClaudeTokenRefresher) CanRefresh(account *Account) bool {
return account.Platform == PlatformAnthropic &&
account.Type == AccountTypeOAuth
}
// NeedsRefresh 检查token是否需要刷新
// 基于 expires_at 字段判断是否在刷新窗口内
func (r *ClaudeTokenRefresher) NeedsRefresh(account *Account, refreshWindow time.Duration) bool {
expiresAt := account.GetCredentialAsTime("expires_at")
if expiresAt == nil {
return false
}
return time.Until(*expiresAt) < refreshWindow
}
// Refresh 执行token刷新
// 保留原有credentials中的所有字段只更新token相关字段
func (r *ClaudeTokenRefresher) Refresh(ctx context.Context, account *Account) (map[string]any, error) {
tokenInfo, err := r.oauthService.RefreshAccountToken(ctx, account)
if err != nil {
return nil, err
}
// 保留现有credentials中的所有字段
newCredentials := make(map[string]any)
for k, v := range account.Credentials {
newCredentials[k] = v
}
// 只更新token相关字段
// 注意expires_at 和 expires_in 必须存为字符串,因为 GetCredential 只返回 string 类型
newCredentials["access_token"] = tokenInfo.AccessToken
newCredentials["token_type"] = tokenInfo.TokenType
newCredentials["expires_in"] = strconv.FormatInt(tokenInfo.ExpiresIn, 10)
newCredentials["expires_at"] = strconv.FormatInt(tokenInfo.ExpiresAt, 10)
if tokenInfo.RefreshToken != "" {
newCredentials["refresh_token"] = tokenInfo.RefreshToken
}
if tokenInfo.Scope != "" {
newCredentials["scope"] = tokenInfo.Scope
}
return newCredentials, nil
}
// OpenAITokenRefresher 处理 OpenAI OAuth token刷新
type OpenAITokenRefresher struct {
openaiOAuthService *OpenAIOAuthService
}
// NewOpenAITokenRefresher 创建 OpenAI token刷新器
func NewOpenAITokenRefresher(openaiOAuthService *OpenAIOAuthService) *OpenAITokenRefresher {
return &OpenAITokenRefresher{
openaiOAuthService: openaiOAuthService,
}
}
// CanRefresh 检查是否能处理此账号
// 只处理 openai 平台的 oauth 类型账号
func (r *OpenAITokenRefresher) CanRefresh(account *Account) bool {
return account.Platform == PlatformOpenAI &&
account.Type == AccountTypeOAuth
}
// NeedsRefresh 检查token是否需要刷新
// 基于 expires_at 字段判断是否在刷新窗口内
func (r *OpenAITokenRefresher) NeedsRefresh(account *Account, refreshWindow time.Duration) bool {
expiresAt := account.GetOpenAITokenExpiresAt()
if expiresAt == nil {
return false
}
return time.Until(*expiresAt) < refreshWindow
}
// Refresh 执行token刷新
// 保留原有credentials中的所有字段只更新token相关字段
func (r *OpenAITokenRefresher) Refresh(ctx context.Context, account *Account) (map[string]any, error) {
tokenInfo, err := r.openaiOAuthService.RefreshAccountToken(ctx, account)
if err != nil {
return nil, err
}
// 使用服务提供的方法构建新凭证,并保留原有字段
newCredentials := r.openaiOAuthService.BuildAccountCredentials(tokenInfo)
// 保留原有credentials中非token相关字段
for k, v := range account.Credentials {
if _, exists := newCredentials[k]; !exists {
newCredentials[k] = v
}
}
return newCredentials, nil
}