Google App Engine是好东东，容易实现一些基于Web的小想法；reCAPTCHA也是好东西，大家都一起来防SPAM。而我就这么一点小乐趣，东搞搞西搞搞。
在GAE上面使用reCAPTCHA也很容易，并且已经有人写出来了具体怎么做，偶也依样画葫芦写了个演示，没有什么实际的功能，纯属瞎折腾看看自己验证码输对了没。
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#!/usr/bin/env python import wsgiref.handlers import os from os import environ from recaptcha.client import captcha from google.appengine.ext import webapp from google.appengine.ext.webapp import template class MainHandler(webapp.RequestHandler): def get(self): chtml = captcha.displayhtml( public_key = "public_key", use_ssl = False, error = None) template_values = { 'captchahtml': chtml } #self.response.out.write('Hello world!') path = os.path.join(os.path.dirname(__file__), 'index.html') self.response.out.write(template.render(path, template_values)) def post(self): challenge = self.request.get('recaptcha_challenge_field') response = self.request.get('recaptcha_response_field') remoteip = environ['REMOTE_ADDR'] cResponse = captcha.submit( challenge, response, "PRIVATE-KEY", remoteip) if cResponse.is_valid: # response was valid # other stuff goes here template_values = { 'hello': "Hello world!" } else: error = cResponse.error_code chtml = captcha.displayhtml( public_key = "public_key", use_ssl = False, error = cResponse.error_code) template_values = { 'captchahtml': chtml } path = os.path.join(os.path.dirname(__file__), 'index.html') self.response.out.write(template.render(path, template_values)) def main(): application = webapp.WSGIApplication([('/', MainHandler)], debug=True) wsgiref.handlers.CGIHandler().run(application) if __name__ == '__main__': main() |
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