2025-12-20 13:01:58 +08:00
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package service
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import (
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"context"
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"strconv"
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"time"
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)
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// TokenRefresher 定义平台特定的token刷新策略接口
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// 通过此接口可以扩展支持不同平台(Anthropic/OpenAI/Gemini)
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type TokenRefresher interface {
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// CanRefresh 检查此刷新器是否能处理指定账号
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2025-12-26 15:40:24 +08:00
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CanRefresh(account *Account) bool
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2025-12-20 13:01:58 +08:00
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// NeedsRefresh 检查账号的token是否需要刷新
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2025-12-26 15:40:24 +08:00
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NeedsRefresh(account *Account, refreshWindow time.Duration) bool
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2025-12-20 13:01:58 +08:00
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// Refresh 执行token刷新,返回更新后的credentials
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// 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
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2025-12-26 15:40:24 +08:00
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Refresh(ctx context.Context, account *Account) (map[string]any, error)
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2025-12-20 13:01:58 +08:00
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}
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// ClaudeTokenRefresher 处理Anthropic/Claude OAuth token刷新
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type ClaudeTokenRefresher struct {
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oauthService *OAuthService
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}
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// NewClaudeTokenRefresher 创建Claude token刷新器
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func NewClaudeTokenRefresher(oauthService *OAuthService) *ClaudeTokenRefresher {
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return &ClaudeTokenRefresher{
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oauthService: oauthService,
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}
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}
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// CanRefresh 检查是否能处理此账号
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// 只处理 anthropic 平台的 oauth 类型账号
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// setup-token 虽然也是OAuth,但有效期1年,不需要频繁刷新
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2025-12-26 15:40:24 +08:00
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func (r *ClaudeTokenRefresher) CanRefresh(account *Account) bool {
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return account.Platform == PlatformAnthropic &&
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account.Type == AccountTypeOAuth
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2025-12-20 13:01:58 +08:00
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}
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// NeedsRefresh 检查token是否需要刷新
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// 基于 expires_at 字段判断是否在刷新窗口内
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2025-12-26 15:40:24 +08:00
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func (r *ClaudeTokenRefresher) NeedsRefresh(account *Account, refreshWindow time.Duration) bool {
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2025-12-31 16:25:45 +08:00
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expiresAt := account.GetCredentialAsTime("expires_at")
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if expiresAt == nil {
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2025-12-28 11:22:01 +08:00
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return false
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}
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2025-12-31 16:25:45 +08:00
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return time.Until(*expiresAt) < refreshWindow
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2025-12-20 13:01:58 +08:00
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}
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// Refresh 执行token刷新
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// 保留原有credentials中的所有字段,只更新token相关字段
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2025-12-26 15:40:24 +08:00
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func (r *ClaudeTokenRefresher) Refresh(ctx context.Context, account *Account) (map[string]any, error) {
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2025-12-20 13:01:58 +08:00
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tokenInfo, err := r.oauthService.RefreshAccountToken(ctx, account)
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if err != nil {
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return nil, err
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}
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// 保留现有credentials中的所有字段
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2025-12-20 16:19:40 +08:00
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newCredentials := make(map[string]any)
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2025-12-20 13:01:58 +08:00
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for k, v := range account.Credentials {
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newCredentials[k] = v
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}
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// 只更新token相关字段
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// 注意:expires_at 和 expires_in 必须存为字符串,因为 GetCredential 只返回 string 类型
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newCredentials["access_token"] = tokenInfo.AccessToken
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newCredentials["token_type"] = tokenInfo.TokenType
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newCredentials["expires_in"] = strconv.FormatInt(tokenInfo.ExpiresIn, 10)
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newCredentials["expires_at"] = strconv.FormatInt(tokenInfo.ExpiresAt, 10)
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if tokenInfo.RefreshToken != "" {
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newCredentials["refresh_token"] = tokenInfo.RefreshToken
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}
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if tokenInfo.Scope != "" {
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newCredentials["scope"] = tokenInfo.Scope
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}
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return newCredentials, nil
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}
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2025-12-22 22:58:31 +08:00
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// OpenAITokenRefresher 处理 OpenAI OAuth token刷新
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type OpenAITokenRefresher struct {
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openaiOAuthService *OpenAIOAuthService
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}
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// NewOpenAITokenRefresher 创建 OpenAI token刷新器
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func NewOpenAITokenRefresher(openaiOAuthService *OpenAIOAuthService) *OpenAITokenRefresher {
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return &OpenAITokenRefresher{
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openaiOAuthService: openaiOAuthService,
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}
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}
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// CanRefresh 检查是否能处理此账号
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// 只处理 openai 平台的 oauth 类型账号
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2025-12-26 15:40:24 +08:00
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func (r *OpenAITokenRefresher) CanRefresh(account *Account) bool {
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return account.Platform == PlatformOpenAI &&
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account.Type == AccountTypeOAuth
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2025-12-22 22:58:31 +08:00
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}
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// NeedsRefresh 检查token是否需要刷新
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// 基于 expires_at 字段判断是否在刷新窗口内
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2025-12-26 15:40:24 +08:00
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func (r *OpenAITokenRefresher) NeedsRefresh(account *Account, refreshWindow time.Duration) bool {
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2025-12-22 22:58:31 +08:00
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expiresAt := account.GetOpenAITokenExpiresAt()
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if expiresAt == nil {
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return false
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}
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return time.Until(*expiresAt) < refreshWindow
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}
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// Refresh 执行token刷新
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// 保留原有credentials中的所有字段,只更新token相关字段
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2025-12-26 15:40:24 +08:00
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func (r *OpenAITokenRefresher) Refresh(ctx context.Context, account *Account) (map[string]any, error) {
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2025-12-22 22:58:31 +08:00
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tokenInfo, err := r.openaiOAuthService.RefreshAccountToken(ctx, account)
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if err != nil {
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return nil, err
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}
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// 使用服务提供的方法构建新凭证,并保留原有字段
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newCredentials := r.openaiOAuthService.BuildAccountCredentials(tokenInfo)
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// 保留原有credentials中非token相关字段
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for k, v := range account.Credentials {
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if _, exists := newCredentials[k]; !exists {
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newCredentials[k] = v
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}
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}
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return newCredentials, nil
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}
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