restore proxy stuff

internal/chatgpt/request.go

@@ -1,9 +1,12 @@
 package chatgpt
 
 import (
+	"bufio"
 	"bytes"
 	"encoding/json"
+	"math/rand"
 	"os"
+	"strings"
 
 	typings "freechatgpt/internal/typings"
 
@@ -11,6 +14,8 @@ import (
 	tls_client "github.com/bogdanfinn/tls-client"
 )
 
+var proxies []string
+
 var (
 	jar     = tls_client.NewCookieJar()
 	options = []tls_client.HttpClientOption{
@@ -26,10 +31,41 @@ var (
 	API_REVERSE_PROXY = os.Getenv("API_REVERSE_PROXY")
 )
 
+func init() {
+	// Check for proxies.txt
+	if _, err := os.Stat("proxies.txt"); err == nil {
+		// Each line is a proxy, put in proxies array
+		file, _ := os.Open("proxies.txt")
+		defer file.Close()
+		scanner := bufio.NewScanner(file)
+		for scanner.Scan() {
+			// Split line by :
+			proxy := scanner.Text()
+			proxy_parts := strings.Split(proxy, ":")
+			if len(proxy_parts) == 2 {
+				proxy = "socks5://" + proxy
+			} else if len(proxy_parts) == 4 {
+				proxy = "socks5://" + proxy_parts[2] + ":" + proxy_parts[3] + "@" + proxy_parts[0] + ":" + proxy_parts[1]
+			} else {
+				continue
+			}
+			proxies = append(proxies, proxy)
+		}
+	}
+}
+
+func random_int(min int, max int) int {
+	return min + rand.Intn(max-min)
+}
+
 func SendRequest(message typings.ChatGPTRequest, access_token string) (*http.Response, error) {
-	if http_proxy != "" {
+	if http_proxy != "" && len(proxies) > 0 {
 		client.SetProxy(http_proxy)
 	}
+	// Take random proxy from proxies.txt
+	if len(proxies) > 0 {
+		client.SetProxy(proxies[random_int(0, len(proxies)-1)])
+	}
 
 	apiUrl := "https://chat.openai.com/backend-api/conversation"
 	if API_REVERSE_PROXY != "" {