FreeCAPTCHA/app.py

from flask import Flask, render_template, request, make_response, redirect
from numpy import real
from freecaptcha import captcha
import uuid
import os

app = Flask(__name__, static_url_path='', static_folder='static',)

captcha_solutions = {}
captcha_solved = []

@app.route("/captcha2", methods=['GET'])
def captcha2():
    with open('templates/captcha2play.html') as play_template_file:
        return play_template_file.read()

@app.route("/captcha3", methods=['GET'])
def captcha3():
    return captcha.generate_captcha_html(os.listdir('static/images/'))

@app.route("/captcha", methods=['GET', 'POST'])
def login():
    # This means they just submitted a CAPTCHA
    # We need to see if they got it right
    incorrect_captcha = False
    if request.method == 'POST':
        captcha_quess = request.form.get('captcha', None)
        captcha_cookie = request.cookies.get('freecaptcha_cookie')
        real_answer = captcha_solutions.get(captcha_cookie, None)
        if real_answer is not None:
            if int(captcha_quess) == int(real_answer):
                captcha_solved.append(captcha_cookie)
                return redirect("/", code=302)
            else:
                incorrect_captcha = True

    # Select an image
    image_path = captcha.random_image()

    # Generate list of rotated versions of image
    # and save which one is correct
    answer, options = captcha.captchafy(image_path)

    # Provide the CAPTCHA options to the web page using the CAPTCHA
    resp = make_response(render_template("index.html", captcha_options=options, incorrect_captcha=incorrect_captcha))

    # Track this user with a cookie and store the correct answer
    # by linking the cookie with the answer, we can check their answer
    # later
    freecaptcha_cookie = str(uuid.uuid4())
    resp.set_cookie('freecaptcha_cookie', freecaptcha_cookie)
    captcha_solutions[freecaptcha_cookie] = answer

    return resp