Statistics
| Branch: | Tag: | Revision:

root / snf-astakos-app / astakos / im / widgets.py @ ee45eb81

History | View | Annotate | Download (2.8 kB)

1
# Copyright 2011-2012 GRNET S.A. All rights reserved.
2
#
3
# Redistribution and use in source and binary forms, with or
4
# without modification, are permitted provided that the following
5
# conditions are met:
6
#
7
#   1. Redistributions of source code must retain the above
8
#      copyright notice, this list of conditions and the following
9
#      disclaimer.
10
#
11
#   2. Redistributions in binary form must reproduce the above
12
#      copyright notice, this list of conditions and the following
13
#      disclaimer in the documentation and/or other materials
14
#      provided with the distribution.
15
#
16
# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
17
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
20
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
26
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27
# POSSIBILITY OF SUCH DAMAGE.
28
#
29
# The views and conclusions contained in the software and
30
# documentation are those of the authors and should not be
31
# interpreted as representing official policies, either expressed
32
# or implied, of GRNET S.A.
33

    
34
import recaptcha.client.captcha as captcha
35

    
36
from django import forms
37
from django.utils.safestring import mark_safe
38
from django.utils import simplejson as json
39
from django.template.loader import render_to_string
40

    
41
from astakos.im.settings import RECAPTCHA_PUBLIC_KEY, RECAPTCHA_OPTIONS, \
42
    RECAPTCHA_USE_SSL
43

    
44

    
45
class RecaptchaWidget(forms.Widget):
46
    """ A Widget which "renders" the output of captcha.displayhtml """
47
    def render(self, *args, **kwargs):
48
        conf = RECAPTCHA_OPTIONS
49
        recaptcha_conf = ('<script type="text/javascript">'
50
                          'var RecaptchaOptions = %s'
51
                          '</script>') % json.dumps(conf)
52
        custom_widget_html = render_to_string("im/captcha.html",
53
                                              {'conf': 'Bob'})
54
        return mark_safe(recaptcha_conf +
55
                         custom_widget_html +
56
                         captcha.displayhtml(RECAPTCHA_PUBLIC_KEY,
57
                                             use_ssl=RECAPTCHA_USE_SSL))
58

    
59

    
60
class DummyWidget(forms.Widget):
61
    """
62
    A dummy Widget class for a placeholder input field which will
63
    be created by captcha.displayhtml
64

65
    """
66
    # make sure that labels are not displayed either
67
    is_hidden = True
68

    
69
    def render(self, *args, **kwargs):
70
        return ''