python为tornado添加recaptcha验证码功能 - 哈喽比特

1120次阅读 | 发布于5年以前

复制代码 代码如下:

from urllib.request import urlopen  
from urllib.parse import urlencode  
import tornado.httpserver  
import tornado.ioloop  
import tornado.web  


#获取key: https://www.google.com/recaptcha/whyrecaptcha  
publickey = '填入你的 public key'  
privatekey = '填入你的 private key'  


class Application(tornado.web.Application):  
    def __init__(self):  
        handlers = [  
            (r'/', IndexHandler)  
        ]  
        settings = dict(  
            template_path="templates",  
        )  

        tornado.web.Application.__init__(self, handlers, **settings)  


class IndexHandler(tornado.web.RequestHandler):  
    def get(self):  
        self.render('index.html', publickey=publickey)  

    def post(self):  
        url = 'http://www.google.com/recaptcha/api/verify'  

        #验证码  
        challenge = self.get_argument('recaptcha_challenge_field')  
        #用户输入  
        response = self.get_argument('recaptcha_response_field')  

        data = {  
            'privatekey': privatekey,  
            'remoteip': self.request.remote_ip,  
            'challenge': challenge,  
            'response': response  
        }  

        res = urlopen(url, data=urlencode(data).encode())  
        #获取验证结果，这里直接将返回结果输出到页面  
        self.write(res.read().decode())  


if __name__ == '__main__':  
    server = tornado.httpserver.HTTPServer(Application())  
    server.listen(10001)  
    tornado.ioloop.IOLoop.instance().start()

templates/index.html

复制代码 代码如下:

jb51.net<!DOCTYPE html>
jb51.net
jb51.net
jb51.netjb51.netreCaptcha验证码
jb51.net
jb51.net
jb51.netjb51.net

jb51.net
jb51.net