# default templates. If they're not found, the built-in ones will be used.
templates_path = "/tmp/blog/templates"
+# Path where the cache is stored (must be writeable by the web server)
+# If None is specified, cache is disabled
+cache_path = "/tmp/blog/cache"
+
# URL to the blog, including the name. Can be a full URL or just the path.
blog_url = "/blog/blitiri.cgi"
# 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>
"""
+# Cache decorator
+def cached(f):
+ def decorate(obj, *args, **kwargs):
+ if cache_path is None: # cache disabled
+ s = f(obj, *args, **kwargs)
+ else:
+ cache_file = os.path.join(cache_path,
+ 'blitiri.cache.%s.html' % hash(obj))
+ try:
+ s = open(cache_file).read()
+ except:
+ s = f(obj, *args, **kwargs)
+ open(cache_file, 'w').write(s)
+ return s
+ return decorate
+
# helper functions
-def rst_to_html(rst):
+def rst_to_html(rst, secure = True):
settings = {
'input_encoding': encoding,
'output_encoding': 'utf8',
'halt_level': 1,
'traceback': 1,
+ 'file_insertion_enabled': secure,
+ 'raw_enabled': secure,
}
parts = publish_parts(rst, settings_overrides = settings,
writer_name = "html")
return parts['body'].encode('utf8')
+rst_to_html = cached(rst_to_html)
-def validate_rst(rst):
+def validate_rst(rst, secure = True):
try:
- rst_to_html(rst)
+ rst_to_html(rst, secure)
return None
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):
atom = False
style = False
post = False
+ post_preview = False
artlist = False
comment = False
atom = path_info == '/atom'
tag = path_info.startswith('/tag/')
post = path_info.startswith('/post/')
+ post_preview = path_info.startswith('/preview/post/')
artlist = path_info.startswith('/list')
comment = path_info.startswith('/comment/') and enable_comments
- if not style and not atom and not post and not tag \
- and not comment and not artlist:
+ if not style and not atom and not post and not post_preview \
+ and not tag and not comment and not artlist:
date = path_info.split('/')[1:]
try:
if len(date) > 1 and date[0]:
elif post:
uuid = path_info.replace('/post/', '')
uuid = uuid.replace('/', '')
+ elif post_preview:
+ art_path = path_info.replace('/preview/post/', '')
+ art_path = urllib.unquote_plus(art_path)
+ art_path = os.path.join(data_path, art_path)
+ art_path = os.path.realpath(art_path)
+ common = os.path.commonprefix([data_path, art_path])
+ if common != data_path: # something nasty happened
+ post_preview = False
+ art_path = art_path[len(data_path)+1:]
elif tag:
t = path_info.replace('/tag/', '')
t = t.replace('/', '')
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_style()
elif post:
render_html( [db.get_article(uuid)], db, year, enable_comments )
+ elif post_preview:
+ article = Article(art_path, datetime.datetime.now(),
+ datetime.datetime.now())
+ render_html( [article], db, year, enable_comments )
elif artlist:
articles = db.get_articles()
articles.sort(cmp = Article.title_cmp)
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
else:
- error = validate_rst(form_data.body)
+ error = validate_rst(form_data.body, secure=False)
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
if os.environ.has_key('GATEWAY_INTERFACE'):
+ i = datetime.datetime.now()
handle_cgi()
+ f = datetime.datetime.now()
+ print '<!-- render time: %s -->' % (f-i)
else:
sys.exit(handle_cmd())
projects / software / blitiri.git / blobdiff