blogthon/blogthon.cgi

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#!/usr/bin/python
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# -*- coding: utf-8 -*-
# This program is free software. It comes without any warranty, to
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# 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.
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# Authors: Stefan Ritter <xeno@thehappy.de>
# Adrian Vondendriesch <disco-stu@disco-stu.de>
# Pascal Turbing <pascal@turbing.de>
#
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# Description: A simple blogging software
import os
import sys
import time
import locale
import re
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import ConfigParser
from cgi import FieldStorage
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from smtplib import SMTP
from hashlib import md5
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from glob import glob
from random import randint
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# 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("^\+.*$")
tab = "\t"
def generate_uuid(string):
string_md5sum = md5(string).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("xhtml-strict")
print "<head><title>Error!</title></head>"
print "<body>"
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print "<h1>Error!</h1><br /><br />"
print tab + string
print "</body>"
print "</html>"
sys.exit()
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def document_header(string):
if string == "xhtml-transitional":
print "Content-type: text/html\n"
print "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\""
print " \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">"
print "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\">"
if string == "xhtml-strict":
print "Content-type: text/html\n"
print "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\""
print " \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">"
print "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml: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
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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!")
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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")
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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 os.path.exists(entries_dir):
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errorpage("Directory \"" + entries_dir + "\" does not exist!")
if not os.path.exists(staticpages_dir):
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errorpage("Directory \"" + staticpages_dir + "\" does not exist!")
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if not os.path.exists(plugins_dir):
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errorpage("Directory \"" + plugins_dir + "\" does not exist!")
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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")
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static_display = action.getvalue("s")
if static_display:
static_display = static_display.replace("/", "")
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post_display = action.getvalue("p")
if post_display:
post_display = post_display.replace(" ", "-").replace("/", "")
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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 = ""
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# 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 = ""
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# 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):
try:
content = open(comments_file, "w")
content.close()
except:
errorpage("\"" + entries_dir + "\" isn\'t writable!")
try:
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: " + mail_to + "\nSubject: New comment on " + blog_title + "\n\nSomeone wrote a comment to this entry: " + blog_url + "?p=" + ctitle.replace(" ", "-")
smtp = SMTP(smtp_host)
smtp.starttls()
smtp.sendmail(blog_title, mail_to, msg)
smtp.quit()
except:
errorpage("Comment cannot be written!")
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# Read entries and store their title and timestamp
entries = []
entries_list = glob(os.path.join(entries_dir, "*." + entries_suffix))
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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)
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if newest_first:
entries.sort(reverse=True)
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else:
entries.sort()
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# 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=\"" + blog_url + "/?feed=atom\" rel=\"self\" type=\"application/atom+xml\"/>"
print tab + "<author>"
print tab*2 + "<name>" + blog_title + "</name>"
print tab + "</author>"
print tab + "<title>" + blog_title + "</title>"
print tab + "<id>urn:uuid:" + blog_title_md5sum + "</id>"
print tab + "<updated>" + str(date[0]) + "-" + month + "-" + day + "T" + hour + ":" + min + ":" + sec + "Z</updated>"
print ""
j = len(entries)
if j > 10: j = 10
for i in xrange(0, j):
title = str(entries[i][1]).replace(entries_dir, "", 1).replace("." + entries_suffix, "")
date = entries[i][0]
title_md5sum = generate_uuid(title)
print tab*2 + "<entry>"
print tab*3 + "<title>" + title + "</title>"
print tab*3 + "<link href=\"" + blog_url + "?p=" + title + "\"/>"
print tab*3 + "<id>urn:uuid:" + title_md5sum + "</id>"
print tab*3 + "<updated>" + str(date[0]) + "-" + month + "-" + day + "T" + hour + ":" + min + ":" + sec + "Z</updated>"
print tab*3 + "<summary>"
content = open(str(entries[i][1]), "r")
for h in xrange(0, int(feed_preview)):
rss_line = content.readline().strip()
if rss_line != "":
print tab*4 + rss_line
content.close()
print tab*3 + "</summary>"
print tab*2 + "</entry>"
print "</feed>"
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# Generate rss 2.0 feed
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elif feed_display == "rss":
document_header("rss")
print tab + "<channel>"
print tab*2 + "<title>" + blog_title + "</title>"
print tab*2 + "<link>" + blog_url + "</link>"
print tab*2 + "<description>" + blog_subtitle + "</description>"
date = time.strftime("%a, %d %b %Y %H:%M:%S", time.gmtime(time.mktime(entries[0][0])))
print tab*2 + "<pubDate>" + date + "</pubDate>"
print ""
j = len(entries)
if j > 10: j = 10
for i in xrange(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 tab*2 + "<item>"
print tab*3 + "<title>" + title + "</title>"
print tab*3 + "<link>" + blog_url + "?p=" + title + "</link>"
print tab*3 + "<guid>" + blog_url + "?p=" + title + "</guid>"
print tab*3 + "<pubDate>" + date + "</pubDate>"
content = open(str(entries[i][1]), "r")
rss_description= ""
for h in xrange(0, int(feed_preview)):
line = content.readline().strip()
if line:
rss_description = rss_description + line + "<br />"
content.close()
print tab*3 + "<description><![CDATA[" + rss_description + "]]></description>"
print tab*2 + "</item>"
print tab + "</channel>"
print "</rss>"
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# Generate regular page
else:
document_header("xhtml-strict")
print tab + "<head>"
print tab*2 + "<title>" + blog_title + "</title>"
print tab*2 + "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\" />"
print tab*2 + "<meta name=\"keywords\" content=\"" + keywords + "\" />"
print tab*2 + "<meta name=\"description\" content=\"" + blog_title + "\" />"
print tab*2 + "<link rel=\"stylesheet\" type=\"text/css\" href=\"styles/" + style + "/" + style + ".css\" />"
print tab + "</head>"
print tab + "<body>"
print ""
# Plugins
sys.path.append(plugins_dir)
for plugin in glob(plugins_dir + "*.py"):
__import__ (plugin.split("/")[1].replace(".py", ""))
# Site header
print tab*2 + "<div class=\"header\">"
print tab*3 + "<div class=\"header_title\">"
print tab*4 + "<a href=\"?\" class=\"header_link\">" + blog_title + "</a>"
print tab*3 + "</div>"
print tab*3 + "<div class=\"header_subtitle\">"
print tab*4 + "<span class=\"header_subtitle\">" + blog_subtitle + "</span>"
print tab*3 + "</div>"
print tab*2 + "</div>"
print ""
# RSS feed
print tab*2 + "<div class=\"rss\">"
print tab*3 + "<a href=\"?feed=rss\" class=\"rss_link\">rss</a>"
print tab*2 + "</div>"
print ""
# Atom feed
print tab*2 + "<div class=\"atom\">"
print tab*3 + "<a href=\"?feed=atom\" class=\"atom_link\">atom</a>"
print tab*2 + "</div>"
print ""
# Staticpages
if staticpages == "True":
staticpages = []
staticpages_list = glob(os.path.join(staticpages_dir, "*"))
staticpages_list.sort()
print tab*2 + "<div class=\"pages\">"
print tab*3 + "<div class=\"pages_title\">" + blog_locale[0] + "</div>"
print tab*3 + "<div class=\"pages_list\">"
print tab*4 + "<ul class=\"pages_list\">"
for staticpage in staticpages_list:
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=" + link
file.close()
title = re.sub("\w+?\/\d+?-", "", staticpage)
print tab*5 + "<li class=\"pages_list_entry\"><a href=\"" + link + "\" class=\"pages_list_entry\">" + title + "</a></li>"
print tab*4 + "</ul>"
print tab*3 + "</div>"
print tab*3 + "<div class=\"pages_footer\"></div>"
print tab*2 + "</div>"
print ""
# Monthlist
if monthlist == "True":
olddate = ""
print tab*2 + "<div class=\"months\">"
print tab*3 + "<div class=\"months_title\">" + blog_locale[1] + "</div>"
print tab*3 + "<div class=\"months_list\">"
print tab*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 tab*5 + "<li class=\"months_list_entry\"><a href=\"?m=" + date + "\" class=\"months_list_entry\">" + date_display + "</a></li>"
olddate = date
print tab*4 + "</ul>"
print tab*3 + "</div>"
print tab*3 + "<div class=\"months_footer\"></div>"
print tab*2 + "</div>"
print ""
# Linklist
if linklist == "True":
print tab*2 + "<div class=\"linklist\">"
print tab*3 + "<div class=\"linklist_title\">" + blog_locale[2] + "</div>"
print tab*3 + "<div class=\"linklist_list\">"
print tab*4 + "<ul class=\"linklist_list\">"
try:
content = open("linklist", "r")
for line in content:
if line.strip() is "":
print "<br />"
else:
print tab*5 + "<li class=\"linklist_list_entry\"><a href=\"" + line.split(" ")[0] + "\" class=\"months_list_entry\">" + line.split(" ", 1)[1].strip() + "</a></li>"
content.close()
except:
print ""
print tab*4 + "</ul>"
print tab*3 + "</div>"
print tab*3 + "<div class=\"linklist_footer\"></div>"
print tab*2 + "</div>"
print ""
print tab*2 + "<div class=\"entries\">"
print ""
# Staticpage
if static_display != "":
content = open(os.path.join(staticpages_dir, static_display), "r")
print tab*3 + "<div class=\"entry\">"
print tab*4 + "<div class=\"entry_title\">" + re.sub("^\.", "", re.sub("\d+?-", "", static_display)) + "</div>"
print tab*4 + "<div class=\"entry_content\">"
print tab*5 + "<p>"
for line in content:
if no_break.match(line):
print tab*5 + line.strip()
else:
print tab*5 + line.strip() + "<br />"
print tab*5 + "</p>"
print tab*4 + "</div>"
print tab*4 + "<div class=\"entry_footer\"></div>"
print tab*4 + "<div class=\"entry_border_left\"></div>"
print tab*4 + "<div class=\"entry_border_right\"></div>"
print tab*4 + "<div class=\"entry_border_top\"></div>"
print tab*4 + "<div class=\"entry_border_bottom\"></div>"
print tab*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:
content = open(entry, "r")
print tab*3 + "<div class=\"entry\">"
if permalinks:
print tab*4 + "<div class=\"entry_title\"><a href=\"?p=" + title.replace(" ", "-") + "\" class=\"entry_title\">" + title + "</a></div>"
else:
print tab*4 + "<div class=\"entry_title\">" + title + "</div>"
print tab*4 + "<div class=\"entry_date\">" + date + "</div>"
print tab*4 + "<div class=\"entry_content\">"
for line in content:
if no_break.match(line):
print tab*5 + line.strip()
else:
print tab*5 + line.strip() + "<br />"
print tab*4 + "</div>"
print tab*4 + "<div class=\"entry_footer\"></div>"
print tab*4 + "<div class=\"entry_border_left\"></div>"
print tab*4 + "<div class=\"entry_border_right\"></div>"
print tab*4 + "<div class=\"entry_border_top\"></div>"
print tab*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:
comments_content = open(comments_file[0], "r")
print tab*3 + "</div>"
print tab*2 + "</div>"
print ""
print tab*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 tab*4 + "</div>"
print tab*3 + "</div>"
notfirstline = 0
print tab*3 + "<div class=\"comment\">"
# Label for each comment
label_count += 1
print tab*4 + "<a name=\"" + str(label_count) + "\"></a>"
print tab*4 + "<div class=\"comment_author\">" + line.split(".", 1)[1].strip() + "</div>"
elif line_start_plus.match(line):
print tab*4 + "<div class=\"comment_date\">" + line.split(".", 1)[1].strip() + "</div>"
print tab*4 + "<div class=\"comment_content\">"
else:
notfirstline = 1
line = line.split(".", 1)[1]
print tab*5 + line.strip() + "<br />"
print ""
print tab*4 + "</div>"
print tab*3 + "</div>"
comments_content.close()
else:
print tab*3 + "</div>"
print tab*2 + "</div>"
print tab*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 tab*3 + "<div class=\"submit_comment\">"
print tab*4 + "<form action=\"\" method=\"post\">"
print tab*5 + "<input type=\"hidden\" name=\"ctitle\" value=\"" + title + "\" />"
print tab*5 + "<input type=\"hidden\" name=\"cquizv\" value=\"" + str(cquizv) + "\" />"
print tab*5 + "<label class=\"submit_comment_name\">" + blog_locale[6] + ":</label><input class=\"submit_comment_name_input\" type=\"text\" id=\"cname\" name=\"cname\" />"
print tab*5 + "<br /><label class=\"submit_comment_text\">" + blog_locale[7] + ":</label><textarea class=\"submit_comment_textarea\" id=\"ctext\" name=\"ctext\"></textarea>"
print tab*5 + "<br /><label class=\"submit_comment_quiz\">" + str(random_int_a) + "+" + str(random_int_b) + "=</label><input class=\"submit_comment_quiz_input\" type=\"text\" id=\"cquiz\" name=\"cquiz\" />"
print tab*5 + "<br /><input class=\"submit_comment_button\" type=\"submit\" id=\"submit\" value=\"" + blog_locale[8] + "\" />"
print tab*4 + "</form>"
print tab*3 + "</div>"
else:
print tab*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 tab*4 + "<div class=\"entry_comment\">"
print tab*5 + "<a href=\"?p=" + title.replace(" " ,"-") + "\" class=\"entry_comment\">" + blog_locale[3] + "</a>"
print tab*4 + "</div>"
print tab*3 + "</div>"
print ""
elif comments_file and not post_display:
comments_content = open(comments_file[0], "r")
comments_counter = 0
for line in comments_content:
if line.split(".", 1)[0] == "-": comments_counter += 1
print tab*4 + "<div class=\"entry_comment\">"
print tab*5 + "<a href=\"?p=" + title.replace(" ", "-") + "\" class=\"entry_comment\">" + blog_locale[4] + " (" + str(comments_counter) + ")</a>"
print tab*4 + "</div>"
print tab*3 + "</div>"
print ""
comments_content.close()
else:
print tab*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 tab*3 + "<div class=\"entry\"><a href=\"?a=1\">" + blog_locale[5] + "</a></div>"
print tab*2 + "</div>"
print ""
print tab + "</body>"
print "</html>"
# vim: set sw=4 tw=0 ts=4 expandtab: