374 lines
9.5 KiB
Go
374 lines
9.5 KiB
Go
package copilot
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import (
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"bytes"
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"context"
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"crypto/tls"
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"encoding/json"
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"errors"
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"fmt"
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"github.com/gofrs/uuid"
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"io"
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"io/ioutil"
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"log"
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"math/rand"
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"net/http"
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"os"
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"ripper/internal/cache"
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"strconv"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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)
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// CodexCompletions 全代理GitHub的代码补全接口
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func CodexCompletions(c *gin.Context) {
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ctx := c.Request.Context()
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requestID := uuid.Must(uuid.NewV4()).String()
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c.Header("x-github-request-id", requestID)
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urlModelName := c.Param("model-name")
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debounceTime, _ := strconv.Atoi(os.Getenv("COPILOT_DEBOUNCE"))
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time.Sleep(time.Duration(debounceTime) * time.Millisecond)
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if ctx.Err() != nil {
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abortCodex(c, http.StatusRequestTimeout)
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return
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}
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body, err := io.ReadAll(c.Request.Body)
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if nil != err {
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abortCodex(c, http.StatusBadRequest)
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return
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}
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copilotAccountType := os.Getenv("COPILOT_ACCOUNT_TYPE")
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url := "https://proxy." + copilotAccountType + ".githubcopilot.com/v1/engines/" + urlModelName + "/completions"
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req, err := http.NewRequestWithContext(c, "POST", url, bytes.NewBuffer(body))
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if nil != err {
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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// 合并请求头
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if err := mergeHeaders(c.Request.Header, req); err != nil {
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log.Println(err)
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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httpClientTimeout, _ := time.ParseDuration(os.Getenv("HTTP_CLIENT_TIMEOUT") + "s")
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client := &http.Client{
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Timeout: httpClientTimeout,
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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},
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}
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resp, err := client.Do(req)
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if nil != err {
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if errors.Is(err, context.Canceled) {
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abortCodex(c, http.StatusRequestTimeout)
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return
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}
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log.Println("request completions failed:", err.Error())
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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defer CloseIO(resp.Body)
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if resp.StatusCode != http.StatusOK {
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body, _ := io.ReadAll(resp.Body)
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log.Println("请求GitHub官方补全接口失败:", string(body))
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abortCodex(c, resp.StatusCode)
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return
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}
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c.Status(resp.StatusCode)
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c.Header("Content-Type", resp.Header.Get("Content-Type"))
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_, _ = io.Copy(c.Writer, resp.Body)
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}
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// ChatsCompletions 全代理GitHub的聊天补全接口
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func ChatsCompletions(c *gin.Context) {
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ctx := c.Request.Context()
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if ctx.Err() != nil {
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abortCodex(c, http.StatusRequestTimeout)
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return
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}
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body, err := io.ReadAll(c.Request.Body)
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if nil != err {
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abortCodex(c, http.StatusBadRequest)
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return
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}
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copilotAccountType := os.Getenv("COPILOT_ACCOUNT_TYPE")
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url := "https://api." + copilotAccountType + ".githubcopilot.com/chat/completions"
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req, err := http.NewRequestWithContext(c, "POST", url, bytes.NewBuffer(body))
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if nil != err {
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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// 合并请求头
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if err := mergeHeaders(c.Request.Header, req); err != nil {
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log.Println(err)
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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httpClientTimeout, _ := time.ParseDuration(os.Getenv("HTTP_CLIENT_TIMEOUT") + "s")
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client := &http.Client{
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Timeout: httpClientTimeout,
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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},
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}
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resp, err := client.Do(req)
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if nil != err {
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if errors.Is(err, context.Canceled) {
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abortCodex(c, http.StatusRequestTimeout)
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return
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}
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log.Println("request completions failed:", err.Error())
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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defer CloseIO(resp.Body)
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if resp.StatusCode != http.StatusOK {
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body, _ := io.ReadAll(resp.Body)
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log.Println("请求GitHub官方对话接口失败:", string(body))
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abortCodex(c, resp.StatusCode)
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return
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}
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c.Status(resp.StatusCode)
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c.Header("Content-Type", resp.Header.Get("Content-Type"))
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_, _ = io.Copy(c.Writer, resp.Body)
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}
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// ChatEditCompletions 聊天编辑补全接口
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func ChatEditCompletions(c *gin.Context) {
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ctx := c.Request.Context()
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if ctx.Err() != nil {
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abortCodex(c, http.StatusRequestTimeout)
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return
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}
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body, err := io.ReadAll(c.Request.Body)
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if nil != err {
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abortCodex(c, http.StatusBadRequest)
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return
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}
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copilotAccountType := os.Getenv("COPILOT_ACCOUNT_TYPE")
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url := "https://proxy." + copilotAccountType + ".githubcopilot.com/v1/engines/copilot-centralus-h100/speculation"
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req, err := http.NewRequestWithContext(c, "POST", url, bytes.NewBuffer(body))
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if nil != err {
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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// 合并请求头
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if err := mergeHeaders(c.Request.Header, req); err != nil {
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log.Println(err)
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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httpClientTimeout, _ := time.ParseDuration(os.Getenv("HTTP_CLIENT_TIMEOUT") + "s")
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client := &http.Client{
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Timeout: httpClientTimeout,
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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},
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}
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resp, err := client.Do(req)
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if nil != err {
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if errors.Is(err, context.Canceled) {
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abortCodex(c, http.StatusRequestTimeout)
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return
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}
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log.Println("request failed:", err.Error())
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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defer CloseIO(resp.Body)
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if resp.StatusCode != http.StatusOK {
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body, _ := io.ReadAll(resp.Body)
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log.Println("请求 Chat 编辑接口失败:", string(body))
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abortCodex(c, resp.StatusCode)
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return
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}
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c.Status(resp.StatusCode)
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c.Header("Content-Type", resp.Header.Get("Content-Type"))
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requestID := uuid.Must(uuid.NewV4()).String()
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c.Header("x-github-request-id", requestID)
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_, _ = io.Copy(c.Writer, resp.Body)
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}
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// getAuthToken 获取GitHub Copilot的临时Token
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func getAuthToken() (string, error) {
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ghuTokens := strings.Split(os.Getenv("COPILOT_GHU_TOKEN"), ",")
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if len(ghuTokens) == 0 {
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return "", fmt.Errorf("COPILOT_GHU_TOKEN environment variable is empty or malformed")
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}
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rand.Seed(time.Now().UnixNano())
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ghu := ghuTokens[rand.Intn(len(ghuTokens))]
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cacheKey := "github:copilot_internal_v2_token:" + ghu
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token, err := cache.Get(cacheKey)
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if err != nil {
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cache.Del(cacheKey)
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return "", err
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}
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if token != nil {
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return token.(string), nil
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}
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url := "https://api.github.com/copilot_internal/v2/token"
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httpClientTimeout, _ := time.ParseDuration(os.Getenv("HTTP_CLIENT_TIMEOUT") + "s")
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client := &http.Client{
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Timeout: httpClientTimeout,
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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},
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}
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req, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return "", err
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}
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req.Header.Set("authorization", "token "+ghu)
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req.Header.Set("host", "api.github.com")
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req.Header.Set("accept", "*/*")
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req.Header.Set("editor-plugin-version", "copilot-intellij/1.5.21.6667")
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req.Header.Set("copilot-language-server-version", "1.228.0")
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req.Header.Set("user-agent", "GithubCopilot/1.228.0")
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req.Header.Set("editor-version", "JetBrains-IU/242.21829.142")
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res, err := client.Do(req)
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if err != nil {
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return "", err
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}
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defer res.Body.Close()
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if res.StatusCode != http.StatusOK {
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return "", fmt.Errorf("获取 Token 失败" + ghu)
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}
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body, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return "", err
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}
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// 解析json
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var result map[string]interface{}
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err = json.Unmarshal(body, &result)
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if err != nil {
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return "", err
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}
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newToken := result["token"].(string)
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err = cache.Set(cacheKey, newToken, 1500)
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if err != nil {
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return "", err
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}
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return newToken, nil
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}
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// mergeHeaders 合并请求头，固定请求头会覆盖原有请求头
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func mergeHeaders(originalHeader http.Header, req *http.Request) error {
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// 复制原始请求头
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for key, values := range originalHeader {
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for _, value := range values {
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req.Header.Add(key, value)
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}
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}
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// 获取token
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token, err := getAuthToken()
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if err != nil {
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return fmt.Errorf("获取GitHub Copilot的临时Token失败: %w", err)
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}
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// 固定请求头
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fixedHeaders := map[string]string{
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"authorization": "Bearer " + token,
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"editor-plugin-version": "copilot-intellij/1.5.21.6667",
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"copilot-language-server-version": "1.228.0",
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"user-agent": "GithubCopilot/1.228.0",
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"editor-version": "JetBrains-IU/242.21829.142",
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}
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// 设置固定请求头(覆盖原有的)
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for key, value := range fixedHeaders {
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req.Header.Set(key, value)
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}
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return nil
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}
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// GetCopilotModels 获取GitHub Copilot的模型列表
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func GetCopilotModels(c *gin.Context) {
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copilotAccountType := os.Getenv("COPILOT_ACCOUNT_TYPE")
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url := "https://api." + copilotAccountType + ".githubcopilot.com/models"
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req, err := http.NewRequestWithContext(c, "GET", url, nil)
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if nil != err {
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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// 合并请求头
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if err := mergeHeaders(c.Request.Header, req); err != nil {
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log.Println(err)
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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httpClientTimeout, _ := time.ParseDuration(os.Getenv("HTTP_CLIENT_TIMEOUT") + "s")
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client := &http.Client{
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Timeout: httpClientTimeout,
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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},
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}
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resp, err := client.Do(req)
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if nil != err {
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if errors.Is(err, context.Canceled) {
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abortCodex(c, http.StatusRequestTimeout)
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return
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}
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log.Println("获取模型列表失败:", err.Error())
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abortCodex(c, http.StatusInternalServerError)
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return
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}
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defer CloseIO(resp.Body)
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if resp.StatusCode != http.StatusOK {
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body, _ := io.ReadAll(resp.Body)
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log.Println("请求GitHub Copilot模型列表失败:", string(body))
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abortCodex(c, resp.StatusCode)
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return
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}
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// 转发原始响应
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c.Status(resp.StatusCode)
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c.Header("Content-Type", resp.Header.Get("Content-Type"))
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requestID := uuid.Must(uuid.NewV4()).String()
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c.Header("x-github-request-id", requestID)
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_, _ = io.Copy(c.Writer, resp.Body)
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}
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