diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..48180b1 --- /dev/null +++ b/.gitignore @@ -0,0 +1,36 @@ +# Reference https://github.com/github/gitignore/blob/master/Go.gitignore +# Binaries for programs and plugins +*.exe +*.exe~ +*.dll +*.so +*.dylib + +# Test binary, built with `go test -c` +*.test + +# Output of the go coverage tool, specifically when used with LiteIDE +*.out + +# Dependency directories (remove the comment below to include it) +vendor/ + +# Compiled Object files, Static and Dynamic libs (Shared Objects) +*.o +*.a +*.so + +# OS General +Thumbs.db +.DS_Store + +# project +*.cert +*.key +*.log +bin/ + +# Develop tools +.vscode/ +.idea/ +*.swp \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..665603e --- /dev/null +++ b/README.md @@ -0,0 +1,47 @@ +# Override + +## 这个仓库什么也不能做，请不要盯着我。 + +VSCode 配置： + +```json + "github.copilot.advanced": { + "debug.overrideProxyUrl": "http://localhost:8181", + "debug.chatOverrideProxyUrl": "http://localhost:8181/v1/chat/completions", + "authProvider": "github-enterprise" + }, + "github-enterprise.uri": "https://cocopilot.org", +``` + +其中 `http://localhost:8181` 是你启动的 `override` 服务地址。 + + +config.json 配置 + +```json +{ + "bind": "127.0.0.1:8181", + "proxy_url": "", + "timeout": 600, + "codex_api_base": "https://api-proxy.oaipro.com/v1", + "codex_api_key": "sk-xxx", + "codex_api_organization": "", + "codex_api_project": "", + "chat_api_base": "https://api-proxy.oaipro.com/v1", + "chat_api_key": "sk-xxx", + "chat_api_organization": "", + "chat_api_project": "", + "chat_model_default": "gpt-4o", + "chat_model_map": {} +} +``` + +`organization` 和 `project` 除非你有，且知道怎么会是再填。 + +`chat_model_map` 是个模型映射的字典。会将请求的模型映射到你想要的，如果不存在映射，则使用 `chat_model_default` 。 + +1. 理论上，Chat 部分可以使用 `chat2api` ，而 Codex 代码生成部分则不太适合使用 `chat2api` 。 +2. 代码生成部分做过延时生成和客户端 Cancel 处理，很有效节省你的Token。 +3. 我目前就试了下 `VSCode` ，至于 `JetBrains` 等IDE尚未适配，如果你有相关经验，请告诉我。 +4. 项目基于 `MIT` 协议发布，你可以修改，请保留原作者信息。 +5. 有什么问题，请在论坛 https://linux.do 讨论，欢迎PR。 diff --git a/config.json b/config.json new file mode 100644 index 0000000..a79b721 --- /dev/null +++ b/config.json @@ -0,0 +1,15 @@ +{ + "bind": "127.0.0.1:8181", + "proxy_url": "", + "timeout": 600, + "codex_api_base": "https://api-proxy.oaipro.com/v1", + "codex_api_key": "sk-xxx", + "codex_api_organization": "", + "codex_api_project": "", + "chat_api_base": "https://api-proxy.oaipro.com/v1", + "chat_api_key": "sk-xxx", + "chat_api_organization": "", + "chat_api_project": "", + "chat_model_default": "gpt-4o", + "chat_model_map": {} +} \ No newline at end of file diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..5ef356a --- /dev/null +++ b/go.mod @@ -0,0 +1,46 @@ +module override + +go 1.21 + +toolchain go1.21.4 + +require ( + github.com/gin-gonic/gin v1.10.0 + github.com/tidwall/gjson v1.17.1 + github.com/tidwall/sjson v1.2.5 + golang.org/x/net v0.25.0 +) + +require ( + github.com/bytedance/sonic v1.11.6 // indirect + github.com/bytedance/sonic/loader v0.1.1 // indirect + github.com/cloudwego/base64x v0.1.4 // indirect + github.com/cloudwego/iasm v0.2.0 // indirect + github.com/gabriel-vasile/mimetype v1.4.3 // indirect + github.com/gin-contrib/sse v0.1.0 // indirect + github.com/go-playground/locales v0.14.1 // indirect + github.com/go-playground/universal-translator v0.18.1 // indirect + github.com/go-playground/validator/v10 v10.20.0 // indirect + github.com/goccy/go-json v0.10.2 // indirect + github.com/google/go-cmp v0.5.9 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/cpuid/v2 v2.2.7 // indirect + github.com/kr/pretty v0.3.0 // indirect + github.com/leodido/go-urn v1.4.0 // indirect + github.com/mattn/go-isatty v0.0.20 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/pelletier/go-toml/v2 v2.2.2 // indirect + github.com/rogpeppe/go-internal v1.12.0 // indirect + github.com/tidwall/match v1.1.1 // indirect + github.com/tidwall/pretty v1.2.1 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.2.12 // indirect + golang.org/x/arch v0.8.0 // indirect + golang.org/x/crypto v0.23.0 // indirect + golang.org/x/sys v0.20.0 // indirect + golang.org/x/text v0.15.0 // indirect + google.golang.org/protobuf v1.34.1 // indirect + gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..ebce207 --- /dev/null +++ b/go.sum @@ -0,0 +1,112 @@ +github.com/bytedance/sonic v1.11.6 h1:oUp34TzMlL+OY1OUWxHqsdkgC/Zfc85zGqw9siXjrc0= +github.com/bytedance/sonic v1.11.6/go.mod h1:LysEHSvpvDySVdC2f87zGWf6CIKJcAvqab1ZaiQtds4= +github.com/bytedance/sonic/loader v0.1.1 h1:c+e5Pt1k/cy5wMveRDyk2X4B9hF4g7an8N3zCYjJFNM= +github.com/bytedance/sonic/loader v0.1.1/go.mod 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h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE= +github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI= +github.com/gin-gonic/gin v1.10.0 h1:nTuyha1TYqgedzytsKYqna+DfLos46nTv2ygFy86HFU= +github.com/gin-gonic/gin v1.10.0/go.mod h1:4PMNQiOhvDRa013RKVbsiNwoyezlm2rm0uX/T7kzp5Y= +github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s= +github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4= +github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA= +github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY= +github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY= +github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY= +github.com/go-playground/validator/v10 v10.20.0 h1:K9ISHbSaI0lyB2eWMPJo+kOS/FBExVwjEviJTixqxL8= 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"errors" + "github.com/gin-gonic/gin" + "github.com/tidwall/gjson" + "github.com/tidwall/sjson" + "golang.org/x/net/http2" + "io" + "log" + "net/http" + "net/url" + "os" + "time" +) + +type config struct { + Bind string `json:"bind"` + ProxyUrl string `json:"proxy_url"` + Timeout int `json:"timeout"` + CodexApiBase string `json:"codex_api_base"` + CodexApiKey string `json:"codex_api_key"` + CodexApiOrganization string `json:"codex_api_organization"` + CodexApiProject string `json:"codex_api_project"` + ChatApiBase string `json:"chat_api_base"` + ChatApiKey string `json:"chat_api_key"` + ChatApiOrganization string `json:"chat_api_organization"` + ChatApiProject string `json:"chat_api_project"` + ChatModelDefault string `json:"chat_model_default"` + ChatModelMap map[string]string `json:"chat_model_map"` +} + +func readConfig() *config { + content, err := os.ReadFile("config.json") + if nil != err { + log.Fatal(err) + } + + _cfg := &config{} + err = json.Unmarshal(content, &_cfg) + if nil != err { + log.Fatal(err) + } + + return _cfg +} + +func getClient(cfg *config) (*http.Client, error) { + transport := &http.Transport{ + ForceAttemptHTTP2: true, + DisableKeepAlives: false, + } + + err := http2.ConfigureTransport(transport) + if nil != err { + return nil, err + } + + if "" != cfg.ProxyUrl { + proxyUrl, err := url.Parse(cfg.ProxyUrl) + if nil != err { + return nil, err + } + + transport.Proxy = http.ProxyURL(proxyUrl) + } + + client := &http.Client{ + Transport: transport, + Timeout: time.Duration(cfg.Timeout) * time.Second, + } + + return client, nil +} + +func abortCodex(c *gin.Context, status int) { + c.Header("Content-Type", "text/event-stream") + + c.String(status, "data: [DONE]\n") + c.Abort() +} + +func closeIO(c io.Closer) { + err := c.Close() + if nil != err { + log.Println(err) + } +} + +type ProxyService struct { + cfg *config + client *http.Client +} + +func NewProxyService(cfg *config) (*ProxyService, error) { + client, err := getClient(cfg) + if nil != err { + return nil, err + } + + return &ProxyService{ + cfg: cfg, + client: client, + }, nil +} + +func (s *ProxyService) InitRoutes(e *gin.Engine) { + e.POST("/v1/chat/completions", s.completions) + e.POST("/v1/engines/copilot-codex/completions", s.codeCompletions) +} + +func (s *ProxyService) completions(c *gin.Context) { + ctx := c.Request.Context() + + body, err := io.ReadAll(c.Request.Body) + if nil != err { + c.AbortWithStatus(http.StatusBadRequest) + return + } + + model := gjson.GetBytes(body, "model").String() + if mapped, ok := s.cfg.ChatModelMap[model]; ok { + model = mapped + } else { + model = s.cfg.ChatModelDefault + } + body, _ = sjson.SetBytes(body, "model", model) + body, _ = sjson.DeleteBytes(body, "intent") + + proxyUrl := s.cfg.ChatApiBase + "/chat/completions" + req, err := http.NewRequestWithContext(ctx, http.MethodPost, proxyUrl, io.NopCloser(bytes.NewBuffer(body))) + if nil != err { + c.AbortWithStatus(http.StatusInternalServerError) + return + } + + req.Header.Set("Content-Type", "application/json") + req.Header.Set("Authorization", "Bearer "+s.cfg.ChatApiKey) + if "" != s.cfg.ChatApiOrganization { + req.Header.Set("OpenAI-Organization", s.cfg.ChatApiOrganization) + } + if "" != s.cfg.ChatApiProject { + req.Header.Set("OpenAI-Project", s.cfg.ChatApiProject) + } + + resp, err := s.client.Do(req) + if nil != err { + if errors.Is(err, context.Canceled) { + c.AbortWithStatus(http.StatusRequestTimeout) + return + } + + log.Println("request conversation failed:", err.Error()) + c.AbortWithStatus(http.StatusInternalServerError) + return + } + defer closeIO(resp.Body) + + if resp.StatusCode != http.StatusOK { // log + body, _ := io.ReadAll(resp.Body) + log.Println("request completions failed:", string(body)) + + resp.Body = io.NopCloser(bytes.NewBuffer(body)) + } + + c.Status(resp.StatusCode) + + contentType := resp.Header.Get("Content-Type") + if "" != contentType { + c.Header("Content-Type", contentType) + } + + _, _ = io.Copy(c.Writer, resp.Body) +} + +func (s *ProxyService) codeCompletions(c *gin.Context) { + ctx := c.Request.Context() + + time.Sleep(100 * time.Millisecond) + if ctx.Err() != nil { + abortCodex(c, http.StatusRequestTimeout) + return + } + + body, err := io.ReadAll(c.Request.Body) + if nil != err { + abortCodex(c, http.StatusBadRequest) + return + } + + body, _ = sjson.DeleteBytes(body, "extra") + body, _ = sjson.DeleteBytes(body, "nwo") + body, _ = sjson.SetBytes(body, "model", "gpt-3.5-turbo-instruct") + + proxyUrl := s.cfg.CodexApiBase + "/completions" + req, err := http.NewRequestWithContext(ctx, http.MethodPost, proxyUrl, io.NopCloser(bytes.NewBuffer(body))) + if nil != err { + abortCodex(c, http.StatusInternalServerError) + return + } + + req.Header.Set("Content-Type", "application/json") + req.Header.Set("Authorization", "Bearer "+s.cfg.CodexApiKey) + if "" != s.cfg.CodexApiOrganization { + req.Header.Set("OpenAI-Organization", s.cfg.CodexApiOrganization) + } + if "" != s.cfg.CodexApiProject { + req.Header.Set("OpenAI-Project", s.cfg.CodexApiProject) + } + + resp, err := s.client.Do(req) + if nil != err { + if errors.Is(err, context.Canceled) { + abortCodex(c, http.StatusRequestTimeout) + return + } + + log.Println("request completions failed:", err.Error()) + abortCodex(c, http.StatusInternalServerError) + return + } + defer closeIO(resp.Body) + + if resp.StatusCode != http.StatusOK { + body, _ := io.ReadAll(resp.Body) + log.Println("request completions failed:", string(body)) + + abortCodex(c, resp.StatusCode) + return + } + + c.Status(resp.StatusCode) + + contentType := resp.Header.Get("Content-Type") + if "" != contentType { + c.Header("Content-Type", contentType) + } + + _, _ = io.Copy(c.Writer, resp.Body) +} + +func main() { + cfg := readConfig() + + gin.SetMode(gin.ReleaseMode) + r := gin.Default() + + proxyService, err := NewProxyService(cfg) + if nil != err { + log.Fatal(err) + return + } + + proxyService.InitRoutes(r) + + err = r.Run(cfg.Bind) + if nil != err { + log.Fatal(err) + return + } +}