kallithea Files · rhodecode/lib/recaptcha.py

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Bradley M. Kuhn

Update minified YUI to version 2.9 built from Source.

yui.2.9.js used to be a minified version of YUI 2.9 until 5143b8df576c updated
it to something else and applied more aggresive minification. We stick to a
clean but minified version 2.9.

The license of YUI is BSD 3-clause, as described on
http://yuilibrary.com/license/ .

Since the minified version combines with GPLv3'd Javascript, it is only GPLv3'd
compliant to distribute this Object Code version with the Corresponding Source
(or offer therefor).

This yui.2.9.js is built from Source this way:
git clone https://github.com/yui/builder
git clone https://github.com/yui/yui2
cd yui2/
git checkout hudson-yui2-2800
ln -sf JumpToPageDropDown.js src/paginator/js/JumpToPageDropdown.js # work around inconsistent casing
rm -f tmp.js
for m in yahoo event dom connection animation dragdrop element datasource autocomplete container event-delegate json datatable paginator; do
rm -f build/$m/$m.js; ( cd src/$m && ant build deploybuild ) && sed -e 's,@VERSION@,2.9.0,g' -e 's,@BUILD@,2800,g' build/$m/$m.js >> tmp.js
done
java -jar ../builder/componentbuild/lib/yuicompressor/yuicompressor-2.4.4.jar tmp.js -o yui.2.9.js

The source is mirrored and available on https://kallithea-scm.org/repos/mirror .

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

API_SSL_SERVER = "https://www.google.com/recaptcha/api"
API_SERVER = "http://www.google.com/recaptcha/api"
VERIFY_SERVER = "www.google.com"


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 displayhtml(public_key, use_ssl=False, error=None):
    """Gets the HTML to display for reCAPTCHA

    public_key -- The public api key
    use_ssl -- Should the request be sent over ssl?
    error -- An error message to display (from RecaptchaResponse.error_code)"""

    error_param = ''
    if error:
        error_param = '&error=%s' % error

    if use_ssl:
        server = API_SSL_SERVER
    else:
        server = API_SERVER

    return """<script type="text/javascript" src="%(ApiServer)s/challenge?k=%(PublicKey)s%(ErrorParam)s"></script>

<noscript>
  <iframe src="%(ApiServer)s/noscript?k=%(PublicKey)s%(ErrorParam)s" height="300" width="500" frameborder="0"></iframe><br />
  <textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
  <input type='hidden' name='recaptcha_response_field' value='manual_challenge' />
</noscript>
""" % {
        'ApiServer': server,
        'PublicKey': public_key,
        'ErrorParam': error_param,
    }


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

    recaptcha_challenge_field -- The value of recaptcha_challenge_field from the form
    recaptcha_response_field -- The value of recaptcha_response_field from the form
    private_key -- your reCAPTCHA private key
    remoteip -- the user's ip address
    """

    if not (recaptcha_response_field and recaptcha_challenge_field and
                len(recaptcha_response_field) and len(
            recaptcha_challenge_field)):
        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({
        'privatekey': encode_if_necessary(private_key),
        'remoteip': encode_if_necessary(remoteip),
        'challenge': encode_if_necessary(recaptcha_challenge_field),
        'response': encode_if_necessary(recaptcha_response_field),
    })

    request = urllib2.Request(
        url="http://%s/recaptcha/api/verify" % VERIFY_SERVER,
        data=params,
        headers={
            "Content-type": "application/x-www-form-urlencoded",
            "User-agent": "reCAPTCHA Python"
        }
    )

    httpresp = urllib2.urlopen(request)

    return_values = httpresp.read().splitlines()
    httpresp.close()

    return_code = return_values[0]

    if return_code == "true":
        return RecaptchaResponse(is_valid=True)
    else:
        return RecaptchaResponse(is_valid=False, error_code=return_values[1])