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Delta Between Two Patch Sets: sitescripts/submit_email/web/submit_email.py

Issue 5177883412660224: Issue 2234 - Add a WSGI controller to collect email addresses for the Adblock Browser iOS launch (Closed)
Left Patch Set: Use codecs.open() Created April 5, 2015, 11:53 a.m.
Right Patch Set: URL-encode language before inserting into URL Created April 28, 2015, 10:50 a.m.
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1 # coding: utf-8
2
3 # This file is part of the Adblock Plus web scripts,
4 # Copyright (C) 2006-2015 Eyeo GmbH
5 #
6 # Adblock Plus is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License version 3 as
8 # published by the Free Software Foundation.
9 #
10 # Adblock Plus is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
14 #
15 # You should have received a copy of the GNU General Public License
16 # along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
17
18 import fcntl
19 import hmac
20 import hashlib
21 import wsgiref.util
22 from urlparse import parse_qsl, urljoin
23 from urllib import urlencode, quote
24
25 from sitescripts.utils import get_config, sendMail, encode_email_address
26 from sitescripts.web import url_handler, form_handler, send_simple_response
27
28 VERIFICATION_PATH = '/verifyEmail'
29
30 def sign(config, data):
31 secret = config.get('submit_email', 'secret')
32 return hmac.new(secret, data, hashlib.sha1).hexdigest()
33
34 @url_handler('/submitEmail')
35 @form_handler
36 def submit_email(environ, start_response, data):
37 email = data.get('email', '').strip()
38 try:
39 email = encode_email_address(email)
40 except ValueError:
41 return send_simple_response(
42 start_response, 400,
43 'Please enter a valid email address.'
44 )
45
46 config = get_config()
47 params = [('email', email), ('signature', sign(config, email))]
48 lang = data.get('lang')
49 if lang:
50 params.append(('lang', lang))
51
52 sendMail(
53 config.get('submit_email', 'verification_email_template'),
54 {
55 'recipient': email,
56 'verification_url': '%s?%s' % (
57 urljoin(wsgiref.util.application_uri(environ), VERIFICATION_PATH),
58 urlencode(params)
59 )
60 }
61 )
62
63 return send_simple_response(
64 start_response, 200,
65 'A confirmation email has been sent. Please check '
66 'your email and click the confirmation link.'
67 )
68
69 @url_handler(VERIFICATION_PATH)
70 def verify_email(environ, start_response):
71 config = get_config()
72 params = dict(parse_qsl(environ.get('QUERY_STRING', '')))
73
74 email = params.get('email', '')
75 signature = params.get('signature', '')
76 if sign(config, email) != signature:
77 return send_simple_response(
78 start_response, 403,
79 'Invalid signature in verification request.'
80 )
81
82 filename = config.get('submit_email', 'filename')
83 with open(filename, 'ab', 0) as file:
84 fcntl.lockf(file, fcntl.LOCK_EX)
85 try:
86 print >>file, email
87 finally:
88 fcntl.lockf(file, fcntl.LOCK_UN)
89
90 location = config.get('submit_email', 'successful_verification_redirect_locati on')
91 location = location.format(lang=quote(params.get('lang') or 'en', ''))
kzar 2015/04/28 11:13:42 Looks like a typo at the end there? ", ''"
Sebastian Noack 2015/04/28 11:31:25 The empty string at the end is the second argument
kzar 2015/04/28 11:33:41 Oh I see.
Sebastian Noack 2015/04/28 11:36:04 I meant (forward) slashes.
92 start_response('303 See Other', [('Location', location)])
93 return []
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