1 # -*- coding: utf-8 -*-
2 from os
.path
import dirname
, join
3 from urllib
import urlopen
5 from werkzeug
import escape
, url_encode
9 from zine
.widgets
import Widget
10 from zine
.views
.admin
import flash
, render_admin_response
11 from zine
.models
import COMMENT_BLOCKED_SPAM
, Comment
12 from zine
.privileges
import BLOG_ADMIN
, require_privilege
13 from zine
.utils
.validators
import ValidationError
, check
14 from zine
.utils
.http
import redirect_to
15 from zine
.utils
import forms
17 # Check do we have the recaptcha library installed
20 from recaptcha
.client
import captcha
23 have_recaptcha
= False
25 TEMPLATES
= join(dirname(__file__
), 'templates')
27 class ConfigurationForm(forms
.Form
):
28 """The configuration form."""
29 pubkey
= forms
.TextField()
30 privkey
= forms
.TextField()
33 def do_spamcheck(req
, comment
):
34 """Do spamchecking for all new comments."""
35 # something blocked the comment already. no need to check for
40 resp
= captcha
.submit(
41 recaptcha_challenge_field
=req
.values
['recaptcha_challenge_field'],
42 recaptcha_response_field
=req
.values
['recaptcha_response_field'],
43 private_key
=req
.app
.cfg
['recaptcha_spam_filter/privkey'],
44 remoteip
=comment
.submitter_ip
51 comment
.status
= COMMENT_BLOCKED_SPAM
52 comment
.blocked_msg
= "Blocked for failing the captcha"
55 def add_recaptcha_link(req
, navigation_bar
):
56 """Add a button for recaptcha to the comments page."""
57 if req
.user
.has_privilege(BLOG_ADMIN
):
58 for link_id
, url
, title
, children
in navigation_bar
:
59 if link_id
== 'options':
60 children
.insert(-3, ('recaptcha_spam_filter',
61 url_for('recaptcha_spam_filter/config'),
65 @require_privilege(BLOG_ADMIN
)
66 def show_recaptcha_config(req
):
67 """Show the recaptcha control panel."""
68 form
= ConfigurationForm(initial
=dict(
69 pubkey
=req
.app
.cfg
['recaptcha_spam_filter/pubkey'],
70 privkey
=req
.app
.cfg
['recaptcha_spam_filter/privkey']
73 if req
.method
== 'POST' and form
.validate(req
.form
):
75 req
.app
.cfg
.change_single('recaptcha_spam_filter/pubkey',
77 req
.app
.cfg
.change_single('recaptcha_spam_filter/privkey',
80 flash(_('reCAPTCHA has been successfully enabled.'), 'ok')
82 flash(_('reCAPTCHA disabled.'), 'ok')
83 return redirect_to('recaptcha_spam_filter/config')
84 return render_admin_response('admin/recaptcha_spam_filter.html',
85 'options.recaptcha_spam_filter',
86 form
=form
.as_widget())
89 def add_captcha(req
, post
):
90 return captcha
.displayhtml(req
.app
.cfg
['recaptcha_spam_filter/pubkey'])
92 def setup(app
, plugin
):
93 if not have_recaptcha
:
94 raise SetupError("The reCAPTCHA plugin requires the recaptcha python library")
95 app
.add_config_var('recaptcha_spam_filter/pubkey',
96 forms
.TextField(default
=u
''))
97 app
.add_config_var('recaptcha_spam_filter/privkey',
98 forms
.TextField(default
=u
''))
99 app
.add_url_rule('/options/recaptcha', prefix
='admin',
100 endpoint
='recaptcha_spam_filter/config',
101 view
=show_recaptcha_config
)
102 app
.connect_event('before-comment-editor-buttons-rendered', add_captcha
)
103 app
.connect_event('before-comment-saved', do_spamcheck
)
104 app
.connect_event('modify-admin-navigation-bar', add_recaptcha_link
)
105 app
.add_template_searchpath(TEMPLATES
)