kallithea Files · kallithea/lib/recaptcha.py

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Location: kallithea/kallithea/lib/recaptcha.py

58b6e4cd6fe9 2.1 KiB text/x-python Show Annotation Show as Raw Download as Raw

mads

lib: clean up ext_json and how it is used - avoid monkey patching

Note that py3 json.dumps will return ASCII (with all unicode escaped) encoded
as str. But we generally want JSON as bytes (which json.loads also can read),
so also wrap the result with ascii_bytes in many places.

# -*- coding: utf-8 -*-
import json
import urllib
import urllib2


class RecaptchaResponse(object):
    def __init__(self, is_valid, error_code=None):
        self.is_valid = is_valid
        self.error_code = error_code

    def __repr__(self):
        return '<RecaptchaResponse:%s>' % (self.is_valid)


def submit(g_recaptcha_response, private_key, remoteip):
    """
    Submits a reCAPTCHA request for verification. Returns RecaptchaResponse for the request

    g_recaptcha_response -- The value of g_recaptcha_response from the form
    private_key -- your reCAPTCHA private key
    remoteip -- the user's IP address
    """

    if not (g_recaptcha_response and len(g_recaptcha_response)):
        return RecaptchaResponse(is_valid=False, error_code='incorrect-captcha-sol')

    def encode_if_necessary(s):
        if isinstance(s, unicode):
            return s.encode('utf-8')
        return s

    params = urllib.urlencode({
        'secret': encode_if_necessary(private_key),
        'remoteip': encode_if_necessary(remoteip),
        'response': encode_if_necessary(g_recaptcha_response),
    })

    req = urllib2.Request(
        url="https://www.google.com/recaptcha/api/siteverify",
        data=params,
        headers={
            "Content-type": "application/x-www-form-urlencoded",
            "User-agent": "reCAPTCHA Python"
        }
    )

    httpresp = urllib2.urlopen(req)
    return_values = json.loads(httpresp.read())
    httpresp.close()

    if not (isinstance(return_values, dict)):
        return RecaptchaResponse(is_valid=False, error_code='incorrect-captcha-sol')
    elif (("success" in return_values) and ((return_values["success"] is True) or (return_values["success"] == "true"))):
        return RecaptchaResponse(is_valid=True)
    elif (("error-codes" in return_values) and isinstance(return_values["error-codes"], list) and (len(return_values["error-codes"]) > 0)):
        return RecaptchaResponse(is_valid=False, error_code=return_values["error-codes"][0])
    else:
        return RecaptchaResponse(is_valid=False, error_code='incorrect-captcha-sol')