/
chatgpt_api_proxy.go
77 lines (72 loc) · 2.12 KB
/
chatgpt_api_proxy.go
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package api_proxy
import (
"crypto/tls"
"fmt"
log "github.com/popcell/chatgpt-proxy/utils/logger"
"golang.org/x/net/context"
"golang.org/x/net/proxy"
"net"
"net/http"
"net/http/httputil"
"net/url"
"strings"
"time"
)
var (
ReverseProxy *httputil.ReverseProxy
proxyTransport = &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
DisableKeepAlives: true,
ResponseHeaderTimeout: time.Second * 60,
IdleConnTimeout: time.Second * 60,
TLSHandshakeTimeout: time.Second * 60,
}
)
func InitApiProxyConfig(proxyUrl string, apiPrefix string) {
if strings.HasPrefix(proxyUrl, "http") {
proxyTransport.Proxy =
func(req *http.Request) (*url.URL, error) {
return url.Parse(proxyUrl)
}
} else if strings.HasPrefix(proxyUrl, "socks5") {
u, err := url.Parse(proxyUrl)
if err != nil {
log.Error("InitApiProxyConfig error: ", err.Error())
return
}
username := u.User.Username()
password, _ := u.User.Password()
host := u.Hostname()
address := fmt.Sprintf("%s:%s", host, u.Port())
dialer, err := proxy.SOCKS5("tcp", address, &proxy.Auth{User: username, Password: password}, proxy.Direct)
proxyTransport.DialContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
return dialer.Dial(network, addr)
}
if err != nil {
log.Error("InitApiProxyConfig error: ", err.Error())
}
}
target, err := url.Parse("https://api.openai.com")
if err != nil {
log.Error("ApiProxy error: ", err)
}
ReverseProxy = httputil.NewSingleHostReverseProxy(target)
ReverseProxy.Transport = proxyTransport
ReverseProxy.Director = func(req *http.Request) {
req.Host = target.Host
req.URL.Scheme = target.Scheme
req.URL.Host = target.Host
req.URL.Path = strings.Replace(req.URL.Path, apiPrefix, "", -1)
}
// 打印HTTP请求和响应的日志
//ReverseProxy.ModifyResponse = func(resp *http.Response) error {
// // 打印HTTP响应的日志
// responseDump, err := httputil.DumpResponse(resp, true)
// if err != nil {
// log.Info("Failed to dump response: ", err)
// } else {
// log.Info("Response: ", string(responseDump))
// }
// return nil
//}
}