blogthon/blogthon.cgi
2011-07-12 09:15:38 +02:00

654 lines
27 KiB
Python
Executable File

#!/usr/bin/python
# -*- coding: utf-8 -*-
# This program is free software. It comes without any warranty, to
# the extent permitted by applicable law. You can redistribute it
# and/or modify it under the terms of the Do What The Fuck You Want
# To Public License, Version 2, as published by Sam Hocevar. See
# http://sam.zoy.org/wtfpl/COPYING for more details.
# Authors: Stefan Ritter <xeno@thehappy.de>
# Adrian Vondendriesch <disco-stu@disco-stu.de>
# Pascal Turbing <pascal@turbing.de>
#
# Description: A simple blogging software
import os
import sys
import time
import locale
import re
import codecs
# print() will output ascii, but we want utf-8 (python3)
try:
sys.stdout = codecs.getwriter('utf8')(sys.stdout.buffer)
utf8 = True
except:
utf8 = False
# Backward compatibilty to python2
try:
import configparser as configparser
except ImportError:
import ConfigParser as configparser
from cgi import FieldStorage
from smtplib import SMTP
from hashlib import md5
from glob import glob
from random import randint
# A wonderful place for doing some regexp ;)
no_break = re.compile("^\s*(<ul|</ul>|<li|</li>|<ol|</ol>|<table|</table>|<tr|</tr>|<td|</td>|<th|</th>|<p|</p>).*$")
line_start_hyphen = re.compile("^-.*$")
line_start_plus = re.compile("^\+.*$")
# Indention
ind = "\t"
def generate_uuid(string):
string_md5sum = md5(string.encode("utf-8")).hexdigest()
string = str.join("-", (string_md5sum[0:8], string_md5sum[8:12], string_md5sum[12:16], string_md5sum[16:20], string_md5sum[20:32]))
return string
def errorpage(string):
document_header("html")
print("<head>")
print(ind + "<title>Error!</title>")
print(ind + "<link rel=\"stylesheet\" type=\"text/css\" href=\"error.css\" />")
print("</head>")
print("<body>")
print(ind + "<div class=\"container\">")
print(ind*2 + "<div class=\"title\"><h1>Error!</h1></div>")
print(ind*2 + "<div class=\"text\"><h2>" + string + "</h2></div>")
print(ind + "</div>")
print("</body>")
print("</html>")
sys.exit()
def document_header(string):
if string == "html":
print("Content-type: text/html\n")
print("<!DOCTYPE html>")
try:
print("<html lang=\"" + language + "\">")
except NameError:
print("<html lang=\"en\">")
if string == "atom":
print("Content-type: application/atom+xml\n")
print("<?xml version=\"1.0\" encoding=\"utf-8\"?>")
print("<feed xmlns=\"http://www.w3.org/2005/Atom\">")
if string == "rss":
print("Content-type: application/rss+xml\n")
print("<?xml version=\"1.0\" encoding=\"utf-8\"?>")
print("<rss version=\"2.0\">")
# Parse configuration (with backward compatibilty)
configuration = configparser.SafeConfigParser()
for config in ["../blogthonrc", "../.blogthonrc", "configuration"]:
if os.path.exists(config):
configuration.read(config)
config = True
break
else:
config = False
if not config:
errorpage("No suitable configuration found!")
try:
blog_title = configuration.get("personal", "blog_title")
blog_subtitle = configuration.get("personal", "blog_subtitle")
blog_url = configuration.get("personal", "blog_url")
keywords = configuration.get("personal", "keywords")
entries_dir = configuration.get("personal", "entries_dir")
entries_suffix = configuration.get("personal", "entries_suffix")
staticpages_dir = configuration.get("personal", "staticpages_dir")
plugins_dir = configuration.get("personal", "plugins_dir")
style = configuration.get("look", "style")
language = configuration.get("look", "language")
entries_per_page = configuration.getint("look", "entries_per_page")
monthlist = configuration.get("look", "monthlist")
staticpages = configuration.get("look", "staticpages")
linklist = configuration.get("look", "linklist")
permalinks = configuration.get("look", "permalinks")
comments = configuration.get("look", "comments")
newest_first = configuration.get("look", "newest_first")
new_comment_mail = configuration.get("smtp", "new_comment_mail")
mail_to = configuration.get("smtp", "mail_to")
smtp_host = configuration.get("smtp", "smtp_host")
feed_preview = configuration.get("feed", "feed_preview")
except configparser.Error as error:
errorpage(str(error))
if not re.match("^http:\/\/.*$", blog_url):
blog_url = "http://" + blog_url
if not re.match("^.*\/$", blog_url):
blog_url = blog_url + "/"
if not os.path.exists(entries_dir):
errorpage("Directory \"%s\" does not exist!" % entries_dir)
if not os.access(entries_dir, os.W_OK):
errorpage("Directory \"%s\" is not writable!" % entries_dir)
if not os.path.exists(staticpages_dir):
errorpage("Directory \"%s\" does not exist!" % staticpages_dir)
if not os.path.exists(plugins_dir):
errorpage("Directory \"%s\" does not exist!" % plugins_dir)
if not os.path.exists("linklist"):
errorpage("File \"linklist\" does not exist!")
if language == "de":
blog_locale = ("Seiten", "Monate", "Links", "Keine Kommentare", "Kommentare", "Alle Einträge anzeigen...", "Name", "Text", "Absenden")
locales_de = ("de_DE.UTF-8", "de_DE.@euro", "de_DE")
for i in locales_de:
try:
locale.setlocale(locale.LC_TIME, i)
break
except:
continue
else:
locale.setlocale(locale.LC_TIME, None)
else:
blog_locale = ("pages", "months", "links", "no comments", "comments", "View all entries...", "name", "text", "commit")
locales_en = ("en_US.UTF-8", "en_US.ISO-8859-15", "en_US")
for i in locales_en:
try:
locale.setlocale(locale.LC_TIME, i)
break
except:
continue
else:
locale.setlocale(locale.LC_TIME, None)
# Read POST Variables
action = FieldStorage()
month_display = action.getvalue("m")
static_display = action.getvalue("s")
if static_display:
static_display = static_display.replace("/", "")
post_display = action.getvalue("p")
if post_display:
post_display = post_display.replace(" ", "-").replace("/", "")
allentries_display = action.getvalue("a")
feed_display = action.getvalue("feed")
if not month_display:
month_display = ""
if not post_display:
post_display = ""
if not static_display:
static_display = ""
if not allentries_display:
allentries_display = ""
if not feed_display:
feed_display = ""
# Commentstuff
ctitle = action.getvalue("ctitle")
cname = action.getvalue("cname")
ctext = action.getvalue("ctext")
cquiz = action.getvalue("cquiz")
cquizv = action.getvalue("cquizv")
if not ctitle:
ctitle = ""
if not cname:
cname = ""
if not ctext:
ctext = ""
if not cquiz:
cquiz = ""
if not cquizv:
cquizv = ""
# Comment to commit?
if cname and ctext and ctitle:
# Prevent XSS hacks
cname = cname.replace("<", "&lt;").replace(">", "&gt;").replace("\'", "&quot;")
ctext = ctext.replace("<", "&lt;").replace(">", "&gt;").replace("\'", "&quot;")
# Add comment
if not cquiz == cquizv:
errorpage("Brainmode")
else:
comments_file = os.path.join(entries_dir, ctitle + ".comments")
if not os.path.exists(comments_file):
if utf8:
content = open(comments_file, "w", encoding="utf8")
else:
content = open(comments_file, "w")
content.close()
if utf8:
content = open(comments_file, "a", encoding="utf8")
else:
content = open(comments_file, "a")
content.write("-." + cname + "\n")
content.write("+." + time.strftime("%c", time.localtime()) + "\n")
ctext = ctext.split("\n")
for line in ctext:
content.write("." + line + "\n")
content.close()
# Send mail?
if not new_comment_mail == "False":
msg = "From: Blogthon\nTo: %s\nSubject: New comment on %s\n\nSomeone wrote a comment to this entry: %s?p=%s" % (mail_to, blog_title, blog_url, ctitle.replace(" ", "-"))
smtp = SMTP(smtp_host)
smtp.starttls()
smtp.sendmail(blog_title, mail_to, msg)
smtp.quit()
# Read entries and store their title and timestamp
entries = []
entries_list = glob(os.path.join(entries_dir, "*." + entries_suffix))
for entry in entries_list:
title = entry.replace(entries_dir, "", 1)
title = title.replace("." + entries_suffix, "")
stampfile = os.path.join(entries_dir, title + ".stamp")
if os.path.exists(stampfile):
timestamp = os.stat(stampfile)
else:
timestamp = os.stat(entry)
stampfile = os.path.join(entries_dir, title + ".stamp")
stamp = open(stampfile, "w")
stamp.close()
utime = os.utime(stampfile, (os.stat(entry)[8], os.stat(entry)[8]))
timestamp = time.localtime(timestamp[8])
entry = timestamp, entry
entries.append(entry)
if newest_first:
entries.sort(reverse=True)
else:
entries.sort()
# Generate atom feed
if feed_display == "atom":
date = entries[0][0]
blog_title_md5sum = generate_uuid(blog_title)
# Append 0 to the beginning if len of integer is 1 (value<10)
month = "%(#)02d" % {"#": int(date[1])}
day = "%(#)02d" % {"#": int(date[2])}
hour = "%(#)02d" % {"#":int(date[3])}
min = "%(#)02d" % {"#": int(date[4])}
sec = "%(#)02d" % {"#": int(date[5])}
document_header("atom")
print("<link href=\"%s?feed=atom\" rel=\"self\" type=\"application/atom+xml\"/>" % blog_url)
print(ind + "<author>")
print(ind*2 + "<name>%s</name>" % blog_title)
print(ind + "</author>")
print(ind + "<title>%s</title>" % blog_title)
print(ind + "<id>urn:uuid:%s</id>" % blog_title_md5sum)
print(ind + "<updated>%s-%s-%sT%s:%s:%sZ</updated>" % (str(date[0]), month, day, hour, min, sec))
print("")
j = len(entries)
if j > 10: j = 10
for i in range(0, j):
title = str(entries[i][1]).replace(entries_dir, "", 1).replace("." + entries_suffix, "")
date = entries[i][0]
title_md5sum = generate_uuid(title)
print(ind*2 + "<entry>")
print(ind*3 + "<title>%s</title>" % title)
print(ind*3 + "<link href=\"%s?p=%s\"/>" % (blog_url, title))
print(ind*3 + "<id>urn:uuid:%s</id>" % title_md5sum)
print(ind*3 + "<updated>%s-%s-%sT%s:%s:%sZ</updated>" % (str(date[0]), month, day, hour, min, sec))
print(ind*3 + "<summary>")
if utf8:
content = open(str(entries[i][1]), "r", encoding="utf8")
else:
content = open(str(entries[i][1]), "r")
for h in range(0, int(feed_preview)):
rss_line = content.readline().strip()
if rss_line != "":
print(ind*4 + rss_line)
content.close()
print(ind*3 + "</summary>")
print(ind*2 + "</entry>")
print("</feed>")
# Generate rss 2.0 feed
elif feed_display == "rss":
document_header("rss")
print(ind + "<channel>")
print(ind*2 + "<title>%s</title>" % blog_title)
print(ind*2 + "<link>%s</link>" % blog_url)
print(ind*2 + "<description>%s</description>" % blog_subtitle)
date = time.strftime("%a, %d %b %Y %H:%M:%S", time.gmtime(time.mktime(entries[0][0])))
print(ind*2 + "<pubDate>%s</pubDate>" % date)
print("")
j = len(entries)
if j > 10: j = 10
for i in range(0, j):
title = str(entries[i][1]).replace(entries_dir, "", 1).replace("." + entries_suffix, "")
date = time.strftime("%a, %d %b %Y %H:%M:%S %z", time.gmtime(time.mktime(entries[i][0])))
print(ind*2 + "<item>")
print(ind*3 + "<title>%s</title>" % title)
print(ind*3 + "<link>%s?p=%s</link>" % (blog_url, title))
print(ind*3 + "<guid>%s?p=%s</guid>" % (blog_url, title))
print(ind*3 + "<pubDate>%s</pubDate>" % date)
if utf8:
content = open(str(entries[i][1]), "r", encoding="utf8")
else:
content = open(str(entries[i][1]), "r")
rss_description= ""
for h in range(0, int(feed_preview)):
line = content.readline().strip()
if line:
rss_description = "%s%s<br />" % (rss_description, line)
content.close()
print(ind*3 + "<description><![CDATA[%s]]></description>" % rss_description)
print(ind*2 + "</item>")
print(ind + "</channel>")
print("</rss>")
# Generate regular page
else:
document_header("html")
print(ind + "<head>")
print(ind*2 + "<title>%s</title>" % blog_title)
print(ind*2 + "<meta charset=\"utf-8\">")
print(ind*2 + "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\" />")
print(ind*2 + "<meta name=\"keywords\" content=\"%s\" />" % keywords)
print(ind*2 + "<meta name=\"description\" content=\"%s\" />" % blog_title)
print(ind*2 + "<link rel=\"stylesheet\" type=\"text/css\" href=\"styles/%s/%s.css\" />" % (style, style))
print(ind + "</head>")
print(ind + "<body>")
print("")
# Plugins
sys.path.append(plugins_dir)
for plugin in glob(plugins_dir + "*.py"):
__import__ (plugin.split("/")[1].replace(".py", ""))
# Site header
print(ind*2 + "<div class=\"header\">")
print(ind*3 + "<div class=\"header_title\">")
print(ind*4 + "<a href=\"?\" class=\"header_link\">%s</a>" % blog_title)
print(ind*3 + "</div>")
print(ind*3 + "<div class=\"header_subtitle\">")
print(ind*4 + "<span class=\"header_subtitle\">%s</span>" % blog_subtitle)
print(ind*3 + "</div>")
print(ind*2 + "</div>")
print("")
# RSS feed
print(ind*2 + "<div class=\"feeds\">")
print(ind*3 + "<div class=\"rss\">")
print(ind*4 + "<a href=\"?feed=rss\" class=\"rss_link\">rss</a>")
print(ind*3 + "</div>")
print("")
# Atom feed
print(ind*3 + "<div class=\"atom\">")
print(ind*4 + "<a href=\"?feed=atom\" class=\"atom_link\">atom</a>")
print(ind*3 + "</div>")
print(ind*2 + "</div>")
print("")
# Staticpages
if staticpages == "True":
staticpages = []
staticpages_list = glob(os.path.join(staticpages_dir, "*"))
staticpages_list.sort()
print(ind*2 + "<div class=\"pages\">")
print(ind*3 + "<div class=\"pages_title\">%s</div>" % blog_locale[0])
print(ind*3 + "<div class=\"pages_list\">")
print(ind*4 + "<ul class=\"pages_list\">")
for staticpage in staticpages_list:
if utf8:
file = open(staticpage, "r", encoding="utf8")
else:
file = open(staticpage, "r")
header = file.readline()
if header.split(":", 1)[0] == "extern_link":
link = header.split(":", 1)[1].strip()
else:
link = re.sub("\w+?\/", "", staticpage)
link = "?s=%s" % link
file.close()
title = re.sub("\w+?\/\d+?-", "", staticpage)
print(ind*5 + "<li class=\"pages_list_entry\"><a href=\"%s\" class=\"pages_list_entry\">%s</a></li>" % (link, title))
print(ind*4 + "</ul>")
print(ind*3 + "</div>")
print(ind*3 + "<div class=\"pages_footer\"></div>")
print(ind*2 + "</div>")
print("")
# Monthlist
if monthlist == "True":
olddate = ""
print(ind*2 + "<div class=\"months\">")
print(ind*3 + "<div class=\"months_title\">%s</div>" % blog_locale[1])
print(ind*3 + "<div class=\"months_list\">")
print(ind*4 + "<ul class=\"months_list\">")
for entry in entries:
date = time.strftime("%m%Y", entry[0])
date_display = time.strftime("%h %Y", entry[0])
if not olddate == date:
print(ind*5 + "<li class=\"months_list_entry\"><a href=\"?m=%s\" class=\"months_list_entry\">%s</a></li>" % (date, date_display))
olddate = date
print(ind*4 + "</ul>")
print(ind*3 + "</div>")
print(ind*3 + "<div class=\"months_footer\"></div>")
print(ind*2 + "</div>")
print("")
# Linklist
if linklist == "True":
print(ind*2 + "<div class=\"linklist\">")
print(ind*3 + "<div class=\"linklist_title\">%s</div>" % blog_locale[2])
print(ind*3 + "<div class=\"linklist_list\">")
print(ind*4 + "<ul class=\"linklist_list\">")
try:
if utf8:
content = open("linklist", "r", encoding="utf8")
else:
content = open("linklist", "r")
for line in content:
if line.strip() is "":
print("<br />")
else:
print(ind*5 + "<li class=\"linklist_list_entry\"><a href=\"%s\" class=\"months_list_entry\">%s</a></li>" % (line.split(" ")[0], line.split(" ", 1)[1].strip()))
content.close()
except:
print("")
print(ind*4 + "</ul>")
print(ind*3 + "</div>")
print(ind*3 + "<div class=\"linklist_footer\"></div>")
print(ind*2 + "</div>")
print("")
print(ind*2 + "<div class=\"entries\">")
print("")
# Staticpage
if static_display != "":
if utf8:
content = open(os.path.join(staticpages_dir, static_display), "r", encoding="utf-8")
else:
content = open(os.path.join(staticpages_dir, static_display), "r")
print(ind*3 + "<div class=\"entry\">")
print(ind*4 + "<div class=\"entry_title\">%s</div>" % re.sub("^\.", "", re.sub("\d+?-", "", static_display)))
print(ind*4 + "<div class=\"entry_content\">")
print(ind*5 + "<p>")
for line in content:
if no_break.match(line):
print(ind*5 + line.strip())
else:
print(ind*5 + line.strip() + "<br />")
print(ind*5 + "</p>")
print(ind*4 + "</div>")
print(ind*4 + "<div class=\"entry_footer\"></div>")
print(ind*4 + "<div class=\"entry_border_left\"></div>")
print(ind*4 + "<div class=\"entry_border_right\"></div>")
print(ind*4 + "<div class=\"entry_border_top\"></div>")
print(ind*4 + "<div class=\"entry_border_bottom\"></div>")
print(ind*3 + "</div>")
print("")
content.close()
# Entry
else:
entry_counter = 0
for entry in entries:
date = time.strftime("%c", entry[0])
date_to_compare = time.strftime("%m%Y", entry[0]) # Needed for permalinks
entry = entry[1]
title = entry.replace(entries_dir, "", 1)
title = title.replace("." + entries_suffix, "")
stampfile = os.path.join(entries_dir, title + ".stamp")
if os.path.exists(stampfile):
date = time.localtime(os.stat(stampfile)[8])
date = time.strftime("%c", date)
if month_display == date_to_compare or not month_display:
if post_display == title.replace(" ", "-") or not post_display:
if allentries_display == "1" or entry_counter < entries_per_page:
if utf8:
content = open(entry, "r", encoding="utf8")
else:
content = open(entry, "r")
print(ind*3 + "<div class=\"entry\">")
if permalinks:
print(ind*4 + "<div class=\"entry_title\"><a href=\"?p=%s\" class=\"entry_title\">%s</a></div>" % (title.replace(" ", "-"), title))
else:
print(ind*4 + "<div class=\"entry_title\">%s</div>" % title)
print(ind*4 + "<div class=\"entry_date\">%s</div>" % date)
print(ind*4 + "<div class=\"entry_content\">")
for line in content:
if no_break.match(line):
print(ind*5 + line.strip())
else:
print(ind*5 + line.strip() + "<br />")
print(ind*4 + "</div>")
print(ind*4 + "<div class=\"entry_footer\"></div>")
print(ind*4 + "<div class=\"entry_border_left\"></div>")
print(ind*4 + "<div class=\"entry_border_right\"></div>")
print(ind*4 + "<div class=\"entry_border_top\"></div>")
print(ind*4 + "<div class=\"entry_border_bottom\"></div>")
# Comments...
# ... are shown when post_display and comments_file isn't false
comments_file = glob(os.path.join(entries_dir, title + ".comments"))
if post_display:
if comments_file:
if utf8:
comments_content = open(comments_file[0], "r", encoding="utf8")
else:
comments_content = open(comments_file[0], "r")
print(ind*3 + "</div>")
print(ind*2 + "</div>")
print("")
print(ind*2 + "<div class=\"comments\">")
notfirstline = 0 # Ugly fix for closing comment containers
label_count = 0
for line in comments_content:
if line_start_hyphen.match(line):
if notfirstline == 1:
print(ind*4 + "</div>")
print(ind*3 + "</div>")
notfirstline = 0
print(ind*3 + "<div class=\"comment\">")
# Label for each comment
label_count += 1
print(ind*4 + "<a name=\"%s\"></a>" % str(label_count))
print(ind*4 + "<div class=\"comment_author\">%s</div>" % line.split(".", 1)[1].strip())
elif line_start_plus.match(line):
print(ind*4 + "<div class=\"comment_date\">%s</div>" % line.split(".", 1)[1].strip())
print(ind*4 + "<div class=\"comment_content\">")
else:
notfirstline = 1
line = line.split(".", 1)[1]
print(ind*5 + line.strip() + "<br />")
print("")
print(ind*4 + "</div>")
print(ind*3 + "</div>")
comments_content.close()
else:
print(ind*3 + "</div>")
print(ind*2 + "</div>")
print(ind*2 + "<div class=\"comments\">")
# Form for adding comments
if comments == "True":
random_int_a = randint(1,9)
random_int_b = randint(1,9)
cquizv = random_int_a + random_int_b
print(ind*3 + "<div class=\"submit_comment\">")
print(ind*4 + "<form action=\"\" method=\"post\">")
print(ind*5 + "<input type=\"hidden\" name=\"ctitle\" value=\"%s\" />" % title)
print(ind*5 + "<input type=\"hidden\" name=\"cquizv\" value=\"%s\" />" % str(cquizv))
print(ind*5 + "<label class=\"submit_comment_name\">%s:</label><input class=\"submit_comment_name_input\" type=\"text\" id=\"cname\" name=\"cname\" />" % blog_locale[6])
print(ind*5 + "<br /><label class=\"submit_comment_text\">%s:</label><textarea class=\"submit_comment_textarea\" id=\"ctext\" name=\"ctext\"></textarea>" % blog_locale[7])
print(ind*5 + "<br /><label class=\"submit_comment_quiz\">%s+%s=</label><input class=\"submit_comment_quiz_input\" type=\"text\" id=\"cquiz\" name=\"cquiz\" />" % (str(random_int_a), str(random_int_b)))
print(ind*5 + "<br /><input class=\"submit_comment_button\" type=\"submit\" id=\"submit\" value=\"%s\" />" % blog_locale[8])
print(ind*4 + "</form>")
print(ind*3 + "</div>")
else:
print(ind*3 + "<div class=\"submit_border_bottom\"></div>")
print("")
if comments == "True":
comments_file = glob(os.path.join(entries_dir, title + ".comments"))
if not comments_file and not post_display:
print(ind*4 + "<div class=\"entry_comment\">")
print(ind*5 + "<a href=\"?p=%s\" class=\"entry_comment\">%s</a>" % (title.replace(" ", "-"), blog_locale[3]))
print(ind*4 + "</div>")
print(ind*3 + "</div>")
print("")
elif comments_file and not post_display:
if utf8:
comments_content = open(comments_file[0], "r", encoding="utf8")
else:
comments_content = open(comments_file[0], "r")
comments_counter = 0
for line in comments_content:
if line.split(".", 1)[0] == "-": comments_counter += 1
print(ind*4 + "<div class=\"entry_comment\">")
print(ind*5 + "<a href=\"?p=%s\" class=\"entry_comment\">%s (%s)</a>" % (title.replace(" ", "-"), blog_locale[4], str(comments_counter)))
print(ind*4 + "</div>")
print(ind*3 + "</div>")
print("")
comments_content.close()
else:
print(ind*3 + "</div>")
print("")
content.close()
entry_counter += 1
if not month_display and not post_display and not allentries_display and entry_counter == entries_per_page: # Display pagelist
print(ind*3 + "<div class=\"show_all\"><a href=\"?a=1\">%s</a></div>" % blog_locale[5])
print(ind*2 + "</div>")
print("")
print(ind + "</body>")
print("</html>")
# vim: set sw=4 tw=0 ts=4 expandtab: