1 # ********************************************************************
3 # File : $Source: /cvsroot/ijbswa/current/re_filterfile,v $
5 # Purpose : Rules to process the content of web pages
7 # Copyright : Written by and Copyright (C) 2001 the SourceForge
8 # IJBSWA team. http://ijbswa.sourceforge.net
10 # This program is free software; you can redistribute it
11 # and/or modify it under the terms of the GNU General
12 # Public License as published by the Free Software
13 # Foundation; either version 2 of the License, or (at
14 # your option) any later version.
16 # This program is distributed in the hope that it will
17 # be useful, but WITHOUT ANY WARRANTY; without even the
18 # implied warranty of MERCHANTABILITY or FITNESS FOR A
19 # PARTICULAR PURPOSE. See the GNU General Public
20 # License for more details.
22 # The GNU General Public License should be included with
23 # this file. If not, you can view it at
24 # http://www.gnu.org/copyleft/gpl.html
25 # or write to the Free Software Foundation, Inc., 59
26 # Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 # $Log: re_filterfile,v $
30 # Revision 1.15 2001/12/28 23:54:20 steudten
31 # Fix for feature Req #495374: http-equiv problem
33 # Revision 1.14 2001/12/09 18:55:11 david__schmidt
34 # Updated CODE_STATUS to beta, commented out microsuck line in re_filterfile
37 # Revision 1.13 2001/10/13 13:11:20 joergs
38 # Fixed WebBug filter.
40 # Revision 1.12 2001/10/07 15:46:42 oes
41 # Followed Guy's proposal to change the document.cookie job
43 # Revision 1.11 2001/09/21 12:34:00 joergs
44 # Added filter to replace "Nimda" code by a warning.
46 # Revision 1.10 2001/07/20 11:04:26 oes
47 # Added Rodneys javascript cookie filter
49 # Revision 1.9 2001/07/13 14:03:48 oes
50 # Elimiated yet another bug in the banner-by-size jobs. Shame on me!
52 # Revision 1.8 2001/06/29 13:34:00 oes
53 # - Added explanation for U and T options
54 # - Added hint on image replacement by CGI call
55 # - Fixed bug in banner-by-size jobs
57 # Revision 1.7 2001/06/19 14:21:56 oes
58 # Fixed microsuck line
60 # Revision 1.6 2001/06/09 14:01:57 swa
61 # header. cosmetics. default: no messing ala microsuck.
65 # ********************************************************************/
67 # Syntax: One Perl-Style substitution per line.
68 # For Details see the perlre, perlop and pcre manpages.
69 # Note that you are free to choose the delimter as you see fit.
71 # Note: In addidion to the Perl options egimosx, the following nonstandard
72 # options are supported:
74 # 'U' turns the default to ungreedy matching. Add ? to quantifiers to
75 # switch back to greedy.
76 # 'T' (trivial) prevents parsing for backreferences in the substitute.
77 # Use if you want to include text like '$&' in your substitute without
81 # ********************************************************************/
83 # Kill OnUnload popups. Yummy.
84 # check it out on http://www.zdnet.com/zdsubs/yahoo/tree/yfs.html
86 # ********************************************************************/
87 s/(<body .*?)onunload(.*?>)/$1never$2/i
89 # ********************************************************************/
91 # Kill refresh tags. I like to refresh myself. Manually.
92 # check it out on http://www.airport-cgn.de/ and go to the arrivals page.
94 # ********************************************************************/
95 # only if content value isn't 0..1
96 # FIXME: second line like first line for content value
97 s/<meta[^>]*http-equiv[^>]*refresh.*([0-9]+[0-9]|"[2-9]);URL=([^>]*?)"?>/<link rev="x-refresh" href=$2>/i
98 s/<meta[^>]*http-equiv="?page-enter"?[^>]*content=[^>]*>/<!--no page enter for me-->/i
100 # ********************************************************************/
102 # If I allow popups, I want them to be resizeable and have a location
103 # and status bar: check it out on http://www.airport-cgn.de/ and go to
106 # ********************************************************************/
107 # s/resizable="?(no|0)"?/resizable=1/ig s/noresize/yesresize/ig
108 # s/location="?(no|0)"?/location=1/ig s/status="?(no|0)"?/status=1/ig
109 # s/scrolling="?(no|0|Auto)"?/scrolling=1/ig
110 # s/menubar="?(no|0)"?/menubar=1/ig #s/framespacing="?(no|0)"?//ig
111 # #s/margin(height|width)=[0-9]*//gi
113 # ********************************************************************/
115 # Remove frameborder=0 and border=0 from framesets
117 # ********************************************************************/
118 s/(<frameset[^>]+?)border=['"]?(no|0)['"]?/$1/ig
119 s/(<frameset[^>]+?)frameborder=['"]?(no|0)['"]?/$1/ig
121 # ********************************************************************/
123 # The status bar is for displaying link targets, not pointless descriptions.
124 # Again, check it out on http://www.airport-cgn.de/
126 # ********************************************************************/
129 # ********************************************************************/
131 # Get rid of Javascript cookies, like found on privacy.net:
133 # ********************************************************************/
135 s|(document\.cookie)([ \t\r\n]*=)|documenZapCooky$2|g
137 # ********************************************************************/
139 # Kill *all* popups a la popup.c. (But for *all* sites, so I wouldn't do that.)
141 # JavaScript: s/window\.open\(/who_wants_this_to.open(/ig
142 # HTML : s/target=['"]?_blank['"]?/target_who/g
144 # Kill banners by size:
145 # (Sizes from http://www.iab.net/iab_banner_standards/bannersizes.html)
146 # Note: Use http://ijbswa.sourceforge.net/config/send-banner?type=trans for a transparent 1x1 gif
147 # Use http://ijbswa.sourceforge.net/config/send-banner?type=logo for the logo gif
148 # Use http://ijbswa.sourceforge.net/config/send-banner?type=auto to auto-select.
149 # ********************************************************************/
150 s|<img\s+[^>]*?(width=['"]?468\D)[^>]*(height=['"]?60[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
151 s|<img\s+[^>]*?(width=['"]?234\D)[^>]*(height=['"]?60[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
152 s|<img\s+[^>]*?(width=['"]?88\D)[^>]*(height=['"]?31[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
153 s|<img\s+[^>]*?(width=['"]?120\D)[^>]*(height=['"]?90[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
154 s|<img\s+[^>]*?(width=['"]?120\D)[^>]*(height=['"]?600[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
155 s|<img\s+[^>]*?(width=['"]?120\D)[^>]*(height=['"]?60[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
156 s|<img\s+[^>]*?(width=['"]?160\D)[^>]*(height=['"]?600[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
157 s|<img\s+[^>]*?(width=['"]?125\D)[^>]*(height=['"]?125[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
158 s|<img\s+[^>]*?(width=['"]?120\D)[^>]*(height=['"]?240[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
159 s|<img\s+[^>]*?(width=['"]?180\D)[^>]*(height=['"]?150[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
160 s|<img\s+[^>]*?(width=['"]?300\D)[^>]*(height=['"]?250[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
161 s|<img\s+[^>]*?(width=['"]?250\D)[^>]*(height=['"]?250[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
162 s|<img\s+[^>]*?(width=['"]?240\D)[^>]*(height=['"]?400[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
163 s|<img\s+[^>]*?(width=['"]?336\D)[^>]*(height=['"]?280[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
165 # Where is that from?
166 s|<img\s+[^>]*?(width=['"]?200\D)[^>]*(height=['"]?50[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
168 # ********************************************************************/
172 # ********************************************************************/
173 s/<img\s+[^>]*?(width|height)\s*=\s*['"]?1\D[^>]*?(width|height)\s*=\s*['"]?1(\D[^>]*?)?>/<!-- Squished WebBug -->/sig
175 # ********************************************************************/
179 # ********************************************************************/
180 #s/microsoft(?!.com)/MicroSuck/ig
182 # ********************************************************************/
184 # Crude parental filtering? (Use along with a suitable blocklist).
185 # Shows how to deny access to whole page based on a keyword.
187 # (Note: Middlesex, Sussex and Essex are counties in the UK, not rude words)
188 # (Note #2: Is 'sex' a rude word?!)
190 #s%^.*(?<!middle)(?<!sus)(?<!es)sex.*$%<html><head><title>Blocked</title></head><body><h3>Blocked due to possible adult content. Please see <a href="http://dmoz.org/Kids_and_Teens/">this site</a>.</h3></body></html>%is
191 #s+^.*warez.*$+<html><head><title>No Warez</title></head><body><h3>You're not searching for illegal stuff, are you?</h3></body></html>+is
193 # ********************************************************************/
197 # ********************************************************************/
198 s%<script language="JavaScript">(window\.open|1;''\.concat)\("readme\.eml", null, "resizable=no,top=6000,left=6000"\)</script>%<br><hr><font size=7><b>Internet J</b></font><b><font size=6>UNK</font><font size=5 color="red"><i>BUSTER</i></font></b><font size=7> WARNING: This Server is infected with <a href="http://www.cert.org/advisories/CA-2001-26.html">Nimda</a>!</font>%g