fix security issue in gpt-4 request

conversion/requests/chatgpt/convert.go

@@ -3,12 +3,28 @@ package chatgpt
 import (
 	chatgpt_types "freechatgpt/typings/chatgpt"
 	official_types "freechatgpt/typings/official"
+	"math/rand"
+	"strconv"
 )
 
+func generate_random_hex(length int) string {
+	const charset = "0123456789abcdef"
+	result := make([]byte, length)
+	for i := range result {
+		result[i] = charset[rand.Intn(len(charset))]
+	}
+	return string(result)
+}
+
+func randint(min int, max int) int {
+	return rand.Intn(max-min) + min
+}
+
 func ConvertAPIRequest(api_request official_types.APIRequest) chatgpt_types.ChatGPTRequest {
 	chatgpt_request := chatgpt_types.NewChatGPTRequest()
 	if api_request.Model == "gpt-4" || api_request.Model == "gpt-4-browsing" || api_request.Model == "gpt-4-plugins" || api_request.Model == "gpt-4-mobile" || api_request.Model == "gpt-4-code-interpreter" {
 		chatgpt_request.Model = api_request.Model
+		chatgpt_request.ArkoseToken = generate_random_hex(17) + "|r=ap-southeast-1|meta=3|meta_width=300|metabgclr=transparent|metaiconclr=%23555555|guitextcolor=%23000000|pk=35536E1E-65B4-4D96-9D97-6ADB7EFF8147|at=40|sup=1|rid=" + strconv.Itoa(randint(1, 99)) + "|ag=101|cdn_url=https%3A%2F%2Ftcr9i.chat.openai.com%2Fcdn%2Ffc|lurl=https%3A%2F%2Faudio-ap-southeast-1.arkoselabs.com|surl=https%3A%2F%2Ftcr9i.chat.openai.com|smurl=https%3A%2F%2Ftcr9i.chat.openai.com%2Fcdn%2Ffc%2Fassets%2Fstyle-manager"
 	}
 
 	for _, api_message := range api_request.Messages {

typings/chatgpt/request.go

@@ -24,6 +24,7 @@ type ChatGPTRequest struct {
 	ConversationID             string            `json:"conversation_id,omitempty"`
 	Model                      string            `json:"model"`
 	HistoryAndTrainingDisabled bool              `json:"history_and_training_disabled"`
+	ArkoseToken                string            `json:"arkose_token,omitempty"`
 }
 
 func NewChatGPTRequest() ChatGPTRequest {