Synnefo

# Copyright 2011-2012 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

#

#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

#

# The views and conclusions contained in the software and

# documentation are those of the authors and should not be

# interpreted as representing official policies, either expressed

# or implied, of GRNET S.A.

import recaptcha.client.captcha as captcha

from django import forms

from django.utils.safestring import mark_safe

from django.utils import simplejson as json

from synnefo_branding.utils import render_to_string

from astakos.im import settings

class RecaptchaWidget(forms.Widget):

    """ A Widget which "renders" the output of captcha.displayhtml """

    def render(self, *args, **kwargs):

        conf = settings.RECAPTCHA_OPTIONS

        recaptcha_conf = ('<script type="text/javascript">'

                          'var RecaptchaOptions = %s'

                          '</script>') % json.dumps(conf)

        custom_widget_html = render_to_string("im/captcha.html",

                                              {'conf': 'Bob'})

        return mark_safe(

            recaptcha_conf +

            custom_widget_html +

            captcha.displayhtml(

                settings.RECAPTCHA_PUBLIC_KEY,

                use_ssl=settings.RECAPTCHA_USE_SSL))

class DummyWidget(forms.Widget):

    """

    A dummy Widget class for a placeholder input field which will

    be created by captcha.displayhtml

    """

    # make sure that labels are not displayed either

    is_hidden = True

    def render(self, *args, **kwargs):

        return ''