# Article encoding
encoding = "utf8"
+# Captcha class
+class Captcha (object):
+ def __init__(self, article):
+ self.article = article
+ words = article.title.split()
+ self.nword = hash(article.title) % len(words) % 5
+ self.answer = words[self.nword]
+ self.help = 'gotcha, damn spam bot!'
+
+ def get_puzzle(self):
+ nword = self.nword + 1
+ if nword == 1:
+ n = '1st'
+ elif nword == 2:
+ n = '2nd'
+ elif nword == 3:
+ n = '3rd'
+ else:
+ n = str(nword) + 'th'
+ return "enter the %s word of the article's title" % n
+ puzzle = property(fget = get_puzzle)
+
+ def validate(self, form_data):
+ if form_data.captcha.lower() == self.answer.lower():
+ return True
+ return False
+
+
#
# End of configuration
# DO *NOT* EDIT ANYTHING PAST HERE
or <span class="formurlexample">mailto:you@example.com</span>
</div>
</div>
+<div class="comformcaptcha">
+ <label for="comformcaptcha">Your humanity proof %(form_captcha_error)s</label>
+ <input type="text" class="comformcaptcha" id="comformcaptcha"
+ name="comformcaptcha" value="%(form_captcha)s" />
+ <div class="comformhelp">%(captcha_puzzle)s</div>
+</div>
<div class="comformbody">
<label for="comformbody" class="comformbody">The comment
%(form_body_error)s</label>
except SystemMessage, e:
desc = e.args[0].encode('utf-8') # the error string
desc = desc[9:] # remove "<string>:"
- line = int(desc[:desc.find(':')]) # get just the line number
+ line = int(desc[:desc.find(':')] or 0) # get the line number
desc = desc[desc.find(')')+2:-1] # remove (LEVEL/N)
try:
desc, context = desc.split('\n', 1)
desc = desc[:-1]
return (line, desc, context)
+def valid_link(link):
+ import re
+ mail_re = r"^[^ \t\n\r@<>()]+@[a-z0-9][a-z0-9\.\-_]*\.[a-z]+$"
+ scheme_re = r'^[a-zA-Z]+:'
+ url_re = r'^(?:[a-z0-9\-]+|[a-z0-9][a-z0-9\-\.\_]*\.[a-z]+)' \
+ r'(?::[0-9]+)?(?:/.*)?$'
+ scheme = ''
+ rest = link
+ if re.match(scheme_re, link, re.I):
+ scheme, rest = link.split(':', 1)
+ if (not scheme or scheme == 'mailto') and re.match(mail_re, rest, re.I):
+ return 'mailto:' + link
+ if not scheme and re.match(url_re, rest, re.I):
+ return 'http://' + rest
+ if scheme:
+ return link
+ return None
+
def sanitize(obj):
if isinstance(obj, basestring):
return cgi.escape(obj, True)
return self.get_template(
'com_footer', default_comment_footer, comment.to_vars())
- def get_comment_form(self, article, form_data):
+ def get_comment_form(self, article, form_data, captcha_puzzle):
vars = article.to_vars()
vars.update(form_data.to_vars(self))
+ vars['captcha_puzzle'] = captcha_puzzle
return self.get_template(
'com_form', default_comment_form, vars)
class CommentFormData (object):
- def __init__(self, author = '', link = '', body = ''):
+ def __init__(self, author = '', link = '', captcha = '', body = ''):
self.author = author
self.link = link
+ self.captcha = captcha
self.body = body
self.author_error = ''
self.link_error = ''
+ self.captcha_error = ''
self.body_error = ''
self.action = ''
self.method = 'post'
render_error = template.get_comment_error
a_error = self.author_error and render_error(self.author_error)
l_error = self.link_error and render_error(self.link_error)
+ c_error = self.captcha_error \
+ and render_error(self.captcha_error)
b_error = self.body_error and render_error(self.body_error)
return {
'form_author': sanitize(self.author),
'form_link': sanitize(self.link),
+ 'form_captcha': sanitize(self.captcha),
'form_body': sanitize(self.body),
'form_author_error': a_error,
'form_link_error': l_error,
+ 'form_captcha_error': c_error,
'form_body_error': b_error,
'form_action': self.action,
if not form_data:
form_data = CommentFormData()
form_data.action = blog_url + '/comment/' + article.uuid + '#comment'
- print template.get_comment_form(article, form_data) ,
+ captcha = Captcha(article)
+ print template.get_comment_form(article, form_data, captcha.puzzle)
def render_html(articles, db, actyear = None, show_comments = False,
redirect = None, form_data = None):
uuid = uuid.replace('/', '')
author = form.getfirst('comformauthor', '')
link = form.getfirst('comformlink', '')
+ captcha = form.getfirst('comformcaptcha', '')
body = form.getfirst('comformbody', '')
db = ArticleDB(os.path.join(data_path, 'db'))
render_artlist(articles, db)
elif comment:
form_data = CommentFormData(author.strip().replace('\n', ' '),
- link.strip().replace('\n', ' '), body.strip())
+ link.strip().replace('\n', ' '), captcha,
+ body.replace('\r', ''))
article = db.get_article(uuid)
+ captcha = Captcha(article)
redirect = False
valid = True
if not form_data.author:
form_data.author_error = 'please, enter your name'
valid = False
+ if form_data.link:
+ link = valid_link(form_data.link)
+ if link:
+ form_data.link = link
+ else:
+ form_data.link_error = 'please, enter a ' \
+ 'valid link'
+ valid = False
+ if not captcha.validate(form_data):
+ form_data.captcha_error = captcha.help
+ valid = False
if not form_data.body:
form_data.body_error = 'please, write a comment'
valid = False
error = validate_rst(form_data.body)
if error is not None:
(line, desc, ctx) = error
- form_data.body_error = 'error at line %d: %s' \
- % (line, desc)
+ at = ''
+ if line:
+ at = ' at line %d' % line
+ form_data.body_error = 'error%s: %s' % (at, desc)
valid = False
if valid:
- c = article.add_comment(author, body, link)
+ c = article.add_comment(form_data.author,
+ form_data.body, form_data.link)
c.save()
cdb = CommentDB(article)
cdb.comments = article.comments