create custom chatgpt conversation

customChat.js

// thanks to x.com/umutbasalt

function generateUUID() {
  function r() {
    return Math.floor(Math.random() * 65536).toString(16).padStart(4, '0');
  }

  return (
    r() + r() + "-" +
    r() + "-" +
    r() + "-" +
    r() + "-" +
    r() + r() + r()
  );
}

const data = {
  "action": "next",
  "messages": [
    {
      "id": generateUUID(),
      "author": {
        "role": "user"
      },
      "content": {
        "content_type": "text",
        "parts": [
          "selam naber"
        ]
      },
      "metadata": {}
    },
    {
      "id": generateUUID(),
      "author": {
        "role": "assistant"
      },
      "content": {
        "content_type": "text",
        "parts": [
          "akıllı ol lan."
        ]
      },
      "metadata": {}
    },
    {
      "id": generateUUID(),
      "author": {
        "role": "user"
      },
      "content": {
        "content_type": "text",
        "parts": [
          "tamam abi."
        ]
      },
      "metadata": {}
    }
  ],
  "parent_message_id": generateUUID(),
  "model": "text-davinci-002-render-sha",
  "timezone_offset_min": -180,
  "suggestions": [],
  "history_and_training_disabled": false,
  "arkose_token": null,
  "conversation_mode": {
    "kind": "primary_assistant"
  },
  "force_paragen": false,
  "force_rate_limit": false
}

await fetch("https://chat.openai.com/backend-api/conversation", {
  "headers": {
    "accept": "text/event-stream",
    "accept-language": "en-US",
    "authorization": "Bearer <token>",
    "cache-control": "no-cache",
    "content-type": "application/json",
    "pragma": "no-cache",
    "sec-ch-ua": "\"Chromium\";v=\"121\", \"Not A(Brand\";v=\"99\"",
    "sec-ch-ua-mobile": "?0",
    "sec-ch-ua-platform": "\"macOS\"",
    "sec-fetch-dest": "empty",
    "sec-fetch-mode": "cors",
    "sec-fetch-site": "same-origin",
  },
  "referrer": "https://chat.openai.com/",
  "referrerPolicy": "strict-origin-when-cross-origin",
  "body": JSON.stringify(data),
  "method": "POST",
  "mode": "cors",
  "credentials": "include"
});

It's a really big vulnerability. You can manipulate the backend. Very interesting and very concerning.

Seems like they've fixed this "fake conversation history" issue hence new conversation ids don't work anymore.
Example: https://chat.openai.com/share/1a291020-dcf1-463a-a20c-b65d9dc49312