Upload any file under your discord upload limit to a channel easily

UploadFiles.py

# run pip install -U curl_cffi
import asyncio
import os
from datetime import datetime, timezone

from curl_cffi.requests import AsyncSession

if os.name == "nt":
    asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())

session = AsyncSession(impersonate="chrome", timeout=180)


async def upload_file(token: str, guild_id: str, channel_id: str, file_path: str):
    async with session as sesh:
        await sesh.get("https://discord.com")

        with open(file_path, "rb") as f:
            file = f.read()

        size_in_bytes = len(file)

        id = await sesh.post(f"https://discord.com/api/v9/channels/{channel_id}/attachments", headers={
            "accept": "*/*",
            "accept-language": "en-US",
            "authorization": token,
            "content-type": "application/json",
            "origin": "https://discord.com",
            "priority": "u=1, i",
            "referer": f"https://discord.com/channels/{guild_id}/{channel_id}",
            "sec-ch-ua": "\"Not;A=Brand\";v=\"24\", \"Chromium\";v=\"128\"",
            "sec-ch-ua-mobile": "?0",
            "sec-ch-ua-platform": "Windows",
            "sec-fetch-dest": "empty",
            "sec-fetch-mode": "cors",
            "sec-fetch-site": "same-origin",
            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) discord/1.0.9169 Chrome/128.0.6613.36 Electron/32.0.0 Safari/537.36",
            "x-debug-options": "bugReporterEnabled",
            "x-discord-locale": "en-US",
            "x-discord-timezone": "America/Denver",
            "x-super-properties": "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"
        }, json={
            "files": [{
                "filename": file_path.split("/")[-1].split("\\")[-1],
                "file_size": size_in_bytes,
                "id": "2377",
                "is_clip": False
            }]
        })

        if id.status_code != 200:
            print("Failed to get upload url")
            return
        # print(id.json())

        upload_url = id.json()["attachments"][0]["upload_url"]

        await sesh.options(upload_url, headers={
            "accept": "*/*",
            "accept-language": "en-US",
            "access-control-request-headers": "content-type",
            "access-control-request-method": "PUT",
            "origin": "https://discord.com",
            "priority": "u=1, i",
            "referer": "https://discord.com/",
            "sec-fetch-dest": "empty",
            "sec-fetch-mode": "cors",
            "sec-fetch-site": "cross-site",
            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) discord/1.0.9169 Chrome/128.0.6613.36 Electron/32.0.0 Safari/537.36"
        })

        await sesh.put(upload_url, headers={
            "accept": "*/*",
            "accept-language": "en-US",
            "content-length": size_in_bytes,
            "content-type": "application/octet-stream",
            "origin": "https://discord.com",
            "priority": "u=1, i",
            "referer": "https://discord.com/",
            "sec-ch-ua": "\"Not;A=Brand\";v=\"24\", \"Chromium\";v=\"128\"",
            "sec-ch-ua-mobile": "?0",
            "sec-ch-ua-platform": "Windows",
            "sec-fetch-dest": "empty",
            "sec-fetch-mode": "cors",
            "sec-fetch-site": "cross-site",
            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) discord/1.0.9169 Chrome/128.0.6613.36 Electron/32.0.0 Safari/537.36"
        }, data=file)

        await sesh.post(f"https://discord.com/api/v9/channels/{channel_id}/messages", headers={
            "accept": "*/*",
            "accept-language": "en-US",
            "authorization": token,
            "content-type": "application/json",
            "origin": "https://discord.com",
            "priority": "u=1, i",
            "referer": f"https://discord.com/channels/{guild_id}/{channel_id}",
            "sec-ch-ua": "\"Not;A=Brand\";v=\"24\", \"Chromium\";v=\"128\"",
            "sec-ch-ua-mobile": "?0",
            "sec-ch-ua-platform": "Windows",
            "sec-fetch-dest": "empty",
            "sec-fetch-mode": "cors",
            "sec-fetch-site": "same-origin",
            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) discord/1.0.9169 Chrome/128.0.6613.36 Electron/32.0.0 Safari/537.36",
            "x-debug-options": "bugReporterEnabled",
            "x-discord-locale": "en-US",
            "x-discord-timezone": "America/Denver",
            "x-super-properties": "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"
        }, json={
            "content": "",
            "nonce": _generate_nonce(),
            "channel_id": channel_id,
            "type": 0,
            "sticker_ids": [],
            "attachments": [{
                "id": "0",
                "filename": file_path.split("/")[-1].split("\\")[-1],
                "uploaded_filename": id.json()["attachments"][0]["upload_filename"]
            }]
        })

        print("Uploaded file successfully")


async def main():
    token = input("Enter your token: ").strip()
    guild_id = input("Enter the guild id: ").strip()
    channel_id = input("Enter the channel id: ").strip()
    file_path = input("Enter the file path: ").strip()

    await upload_file(token, guild_id, channel_id, file_path)


def _generate_nonce() -> str:  # stolen from discord.py-self
    return str(int(datetime.now(timezone.utc).timestamp() * 1000 - 1420070400000) << 22)


asyncio.run(main())