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- Added extensive SDK usage guides for `cliproxy`, `sdk/access`, and watcher integration. - Introduced `--password` flag for specifying local management access passwords. - Enhanced management API with local password checks to secure localhost requests. - Updated documentation to reflect the new password functionality.
132 lines
4.7 KiB
Markdown
132 lines
4.7 KiB
Markdown
# SDK 高级指南:执行器与翻译器
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本文介绍如何使用 SDK 扩展内嵌代理:
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- 实现自定义 Provider 执行器以调用你的上游 API
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- 注册请求/响应翻译器进行协议转换
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- 注册模型以出现在 `/v1/models`
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示例基于 Go 1.24+ 与 v6 模块路径。
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## 概念
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- Provider 执行器:实现 `auth.ProviderExecutor` 的运行时组件,负责某个 provider key(如 `gemini`、`claude`、`codex`)的真正出站调用。若实现 `RequestPreparer` 接口,可在原始 HTTP 请求上注入凭据。
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- 翻译器注册表:由 `sdk/translator` 驱动的协议转换函数。内置了 OpenAI/Gemini/Claude/Codex 的互转;你也可以注册新的格式转换。
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- 模型注册表:对外发布可用模型列表,供 `/v1/models` 与路由参考。
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## 1) 实现 Provider 执行器
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创建类型满足 `auth.ProviderExecutor` 接口。
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```go
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package myprov
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import (
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"context"
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"net/http"
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coreauth "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/auth"
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clipexec "github.com/router-for-me/CLIProxyAPI/v6/sdk/cliproxy/executor"
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)
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type Executor struct{}
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func (Executor) Identifier() string { return "myprov" }
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// 可选:在原始 HTTP 请求上注入凭据
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func (Executor) PrepareRequest(req *http.Request, a *coreauth.Auth) error {
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// 例如:req.Header.Set("Authorization", "Bearer "+a.Attributes["api_key"])
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return nil
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}
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func (Executor) Execute(ctx context.Context, a *coreauth.Auth, req clipexec.Request, opts clipexec.Options) (clipexec.Response, error) {
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// 基于 req.Payload 构造上游请求,返回上游 JSON 负载
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return clipexec.Response{Payload: []byte(`{"ok":true}`)}, nil
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}
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func (Executor) ExecuteStream(ctx context.Context, a *coreauth.Auth, req clipexec.Request, opts clipexec.Options) (<-chan clipexec.StreamChunk, error) {
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ch := make(chan clipexec.StreamChunk, 1)
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go func() { defer close(ch); ch <- clipexec.StreamChunk{Payload: []byte("data: {\\"done\\":true}\\n\\n")} }()
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return ch, nil
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}
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func (Executor) Refresh(ctx context.Context, a *coreauth.Auth) (*coreauth.Auth, error) { return a, nil }
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```
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在启动服务前将执行器注册到核心管理器:
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```go
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core := coreauth.NewManager(coreauth.NewFileStore(cfg.AuthDir), nil, nil)
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core.RegisterExecutor(myprov.Executor{})
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svc, _ := cliproxy.NewBuilder().WithConfig(cfg).WithConfigPath(cfgPath).WithCoreAuthManager(core).Build()
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```
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当凭据的 `Provider` 为 `"myprov"` 时,管理器会将请求路由到你的执行器。
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## 2) 注册翻译器
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内置处理器接受 OpenAI/Gemini/Claude/Codex 的入站格式。要支持新的 provider 协议,需要在 `sdk/translator` 的默认注册表中注册转换函数。
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方向很重要:
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- 请求:从“入站格式”转换为“provider 格式”
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- 响应:从“provider 格式”转换回“入站格式”
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示例:OpenAI Chat → MyProv Chat 及其反向。
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```go
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package myprov
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import (
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"context"
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sdktr "github.com/router-for-me/CLIProxyAPI/v6/sdk/translator"
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)
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const (
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FOpenAI = sdktr.Format("openai.chat")
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FMyProv = sdktr.Format("myprov.chat")
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)
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func init() {
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sdktr.Register(FOpenAI, FMyProv,
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func(model string, raw []byte, stream bool) []byte { return convertOpenAIToMyProv(model, raw, stream) },
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sdktr.ResponseTransform{
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Stream: func(ctx context.Context, model string, originalReq, translatedReq, raw []byte, param *any) []string {
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return convertStreamMyProvToOpenAI(model, originalReq, translatedReq, raw)
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},
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NonStream: func(ctx context.Context, model string, originalReq, translatedReq, raw []byte, param *any) string {
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return convertMyProvToOpenAI(model, originalReq, translatedReq, raw)
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},
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},
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)
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}
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```
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当 OpenAI 处理器接到需要路由到 `myprov` 的请求时,流水线会自动应用已注册的转换。
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## 3) 注册模型
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通过全局模型注册表将模型暴露到 `/v1/models`:
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```go
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models := []*cliproxy.ModelInfo{
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{ ID: "myprov-pro-1", Object: "model", Type: "myprov", DisplayName: "MyProv Pro 1" },
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}
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cliproxy.GlobalModelRegistry().RegisterClient(authID, "myprov", models)
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```
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内置 Provider 会自动注册;自定义 Provider 建议在启动时(例如加载到 Auth 后)或在 Auth 注册钩子中调用。
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## 凭据与传输
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- 使用 `Manager.SetRoundTripperProvider` 注入按账户的 `*http.Transport`(例如代理):
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```go
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core.SetRoundTripperProvider(myProvider) // 按账户返回 transport
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```
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- 对于原始 HTTP 请求,若实现了 `PrepareRequest`,或通过 `Manager.InjectCredentials(req, authID)` 进行头部注入。
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## 测试建议
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- 启用请求日志:管理 API GET/PUT `/v0/management/request-log`
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- 切换调试日志:管理 API GET/PUT `/v0/management/debug`
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- 热更新:`config.yaml` 与 `auths/` 变化会自动被侦测并应用
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