[GAE] reCaptcha 應用Python

首先先在 recaptcha 這裡申請網站 Domain Name


之後會給你 Public Key 跟 Private Key 等等會用到


接著在裡選擇語言 here 這裡介紹Python


先從 這裡下載python用的 python_recaptcha-client 下載解壓縮後將 \recaptcha\client\captcha.py 放在你的gae目錄底下

接著在你的檔案 import captcha
呼叫此函數captcha.displayhtml('public_key') 在public_key 裡放入剛剛取得的 Public Key，會回傳一段reCaptcha 的 html


前端的部份就完成，然後在你的post那裡取得你的 recaptcha_challenge_field 、recaptcha_response_field和設定你的private_key跟你的Domain Name

recaptcha_challenge_field = self.request.get('recaptcha_challenge_field')

recaptcha_response_field = self.request.get('recaptcha_response_field')

private_key = 'private_key'   #剛剛取得的private_key
remoteip= 'domain_name '  #剛剛申請的domain_name 

呼叫 captcha.submit(recaptcha_challenge_field,recaptcha_response_field,private_key,remoteip)

會回傳你剛剛在reCaptcha t輸入的是否為正確(return boolean) 就完成啦!!

全部語法

import captcha
from google.appengine.ext import webapp

# Captcha   
domain_name = 'you_domain_name'
public_key = 'public_key'
private_key = 'private_key'

class test(webapp.RequestHandler):
    def get(self):
        captcha_html = captcha.displayhtml(public_key)
        self.response.out.write(captcha_html)
        
    def post(self):
        recaptcha_challenge_field = self.request.get('recaptcha_challenge_field')
        recaptcha_response_field = self.request.get('recaptcha_response_field')
        private_key = private_key
        remoteip = domain_name
    
        ans = captcha.submit(recaptcha_challenge_field,recaptcha_response_field,private_key,remoteip)
        
        self.response.out.write('ans= '+str(ans.is_valid))

有問題可以參考這篇 reCaptcha_to_php 應該大同小異，或是
直接參考 google recaptcha api