cf-cookie

getCFcookie.js is a script to fetch cookie generated by Cloudflare. Once you got all cookies, you could simply filter the necessary value in cookie, for example cf_clearance, to bypass cf check.

Dependency

• puppeteer-core: core library of puppeteer, headless Chrome
• puppeteer-extra: modular plugin framework for puppeteer
• puppeteer-extra-plugin-stealth: puppeteer plugin to prevent detection
• commander: argument options parser

Installation

npm i puppeteer-core puppeteer-extra puppeteer-extra-plugin-stealth commander

How to use

Usage: ./getCFcookie.js -u <url> -a <user_agent> [-p <path>] [-s]
Options:
  -u, --url <site_url>      url to visit
  -a, --agent <user_agent>  browser user agent
  -p, --path <binary_path>  optional, path to chrome/chromium binary
                            default "/usr/bin/chromium"
  -s, --show                optional, show browser
                            default not show
  -h, --help                display help for command

Limitation

• For normal Cloudflare DDoS prevention mechanism, it needs to wait for 5 seconds to get cookie.

• If reCAPTCHA challenge is implemented on top, please use -s option to prompt browser and resolve reCAPTCHA challenge manually.