Uploaded via ONLym Bot

chatgpt.js

const fs = require("fs");
const path = require("path");

function getBaseHeaders(extra = {}) {
  return {
    "User-Agent":
      "Mozilla/5.0 (Linux; Android 13; Mobile) AppleWebKit/537.36 Chrome/120.0.0.0 Safari/537.36",
    "Origin": "https://chatgpt4online.org",
    "Referer": "https://chatgpt4online.org/",
    "Accept": "*/*",
    ...extra
  };
}

async function post(url, body, extraHeaders = {}) {
  const res = await fetch(url, {
    method: "POST",
    headers: getBaseHeaders({
      "Content-Type": "application/json",
      ...extraHeaders
    }),
    body: JSON.stringify(body)
  });

  if (!res.ok) {
    const t = await res.text();
    throw new Error(`HTTP ${res.status}\n${t}`);
  }

  return res;
}

async function startSession() {
  const res = await post(
    "https://chatgpt4online.org/wp-json/mwai/v1/start_session",
    {}
  );

  const json = await res.json();
  if (!json.success) throw new Error("start_session failed");

  return {
    sessionId: json.sessionId,
    nonce: json.restNonce
  };
}

async function uploadImage(nonce, filePath) {
  if (!filePath || !fs.existsSync(filePath)) return null;

  const buffer = fs.readFileSync(filePath);

  const form = new FormData();
  form.append("purpose", "vision");
  form.append(
    "file",
    new Blob([buffer], { type: "image/png" }),
    path.basename(filePath)
  );

  const res = await fetch(
    "https://chatgpt4online.org/wp-json/mwai-ui/v1/files/upload",
    {
      method: "POST",
      headers: getBaseHeaders({
        "X-WP-Nonce": nonce
      }),
      body: form
    }
  );

  if (!res.ok) {
    const t = await res.text();
    throw new Error(`UPLOAD FAIL ${res.status}\n${t}`);
  }

  const json = await res.json();
  return json?.data?.id || null;
}

async function chat(session, prompt, imagePath = null) {
  const fileIds = [];

  if (imagePath) {
    const fileId = await uploadImage(session.nonce, imagePath);
    if (fileId) fileIds.push(fileId);
  }

  const payload = {
    botId: "chatbot-qm966k",
    customId: null,
    session: session.sessionId,
    chatId: Math.random().toString(36).slice(2),
    contextId: 5410,
    messages: [
      {
        id: "start",
        role: "assistant",
        content: "Hi! How can I help you?",
        who: "AI: ",
        timestamp: Date.now(),
        key: "start"
      }
    ],
    newMessage: prompt,
    newFileId: null,
    newFileIds: fileIds,
    stream: true
  };

  const res = await post(
    "https://chatgpt4online.org/wp-json/mwai-ui/v1/chats/submit",
    payload,
    {
      "X-WP-Nonce": session.nonce,
      "Accept": "text/event-stream"
    }
  );

  const reader = res.body.getReader();
  const decoder = new TextDecoder("utf-8");

  let buffer = "";
  let final = null;

  while (true) {
    const { value, done } = await reader.read();
    if (done) break;

    buffer += decoder.decode(value, { stream: true });
    const lines = buffer.split("\n");
    buffer = lines.pop();

    for (const line of lines) {
      if (!line.startsWith("data:")) continue;

      const raw = line.slice(5).trim();
      if (!raw) continue;

      let evt;
      try {
        evt = JSON.parse(raw);
      } catch {
        continue;
      }

      if (evt.type === "end") {
        final = JSON.parse(evt.data);
      }
    }
  }

  if (!final) throw new Error("No final response");
  return final;
}

(async () => {
  try {
    const session = await startSession();

    const imagePath = "./soal.png"; // ubah jadi : null jika mau tanpa gambar

    const result = await chat(
      session,
      "Bantu Jawab Soal Tersebut Dengan Singkat Dan Jelas !",
      imagePath
    );

    console.log(
      JSON.stringify(
        {
          success: true,
          sessionId: session.sessionId,
          model: "chatgpt4online",
          answer: result.reply,
          usage: result.usage
        },
        null,
        2
      )
    );
  } catch (err) {
    console.log(
      JSON.stringify(
        {
          success: false,
          error: err.message
        },
        null,
        2
      )
    );
  }
})();