#
# Revisions :
# $Log: re_filterfile,v $
+# Revision 1.22 2002/03/12 13:42:50 oes
+# Fixing & Optimizing REs
+#
+# Revision 1.21 2002/03/12 11:59:20 oes
+# Beefed up Buzzword Bingo
+#
+# Revision 1.20 2002/03/12 01:42:50 oes
+# Introduced modular filters
+#
+# Revision 1.19 2002/03/10 19:49:24 oes
+# Added expression to kill referer tracking in JavaScripts
+#
+# Revision 1.18 2002/03/08 17:14:12 oes
+# PNG -> image in comments
+#
# Revision 1.17 2002/03/07 03:50:54 oes
# Adapted comments to new built-in images
#
#
#
#
-# ********************************************************************/
+
+#################################################################################
+#
+# Syntax:
+#
+#################################################################################
+#
+# Filters start with a line "FILTER: name description". They are then referrable
+# from the actionsfile with +filter{name}
+#
+# Inside the filters, write one Perl-Style substitution (job) per line.
+# Jobs that precede the first FILTER: line are ignored.
+#
+# For Details see the pcrs manpage contained in this distribution.
+# (and the perlre, perlop and pcre manpages)
#
-# Syntax: One Perl-Style substitution per line.
-# For Details see the perlre, perlop and pcre manpages.
# Note that you are free to choose the delimter as you see fit.
#
-# Note: In addidion to the Perl options egimosx, the following nonstandard
+# Note2: In addidion to the Perl options gimsx, the following nonstandard
# options are supported:
#
# 'U' turns the default to ungreedy matching. Add ? to quantifiers to
# Use if you want to include text like '$&' in your substitute without
# quoting.
#
+#################################################################################
-# ********************************************************************/
-#
-# Kill OnUnload popups. Yummy.
-# check it out on http://www.zdnet.com/zdsubs/yahoo/tree/yfs.html
-#
-# ********************************************************************/
-s/(<body .*?)onunload(.*?>)/$1never$2/i
-# ********************************************************************/
+#################################################################################
#
-# Kill refresh tags. I like to refresh myself. Manually.
-# check it out on http://www.airport-cgn.de/ and go to the arrivals page.
+# html-annoyances: Get rid of particularly annoying HTML abuse
#
-# ********************************************************************/
-# only if content value isn't 0..1
-# FIXME: second line like first line for content value
-s/<meta[^>]*http-equiv[^>]*refresh.*([0-9]+[0-9]|"[2-9]);URL=([^>]*?)"?>/<link rev="x-refresh" href=$2>/i
-s/<meta[^>]*http-equiv="?page-enter"?[^>]*content=[^>]*>/<!--no page enter for me-->/i
+#################################################################################
+FILTER: html-annoyances Get rid of particularly annoying HTML abuse
+
+# New browser windows (if allowed -- see no-popups filter below) should be
+# resizeable and have a location and status bar
+#
+s/(<a\s+href[^>]+)resizable=['"]?(no|0|false)['"]?(.*>)/$1resizable=1$3/igU
+s/(<a\s+href[^>]+)location=['"]?(no|0)['"]?(.*>)/$1location=1$3/igU
+s/(<a\s+href[^>]+)status=['"]?(no|0)['"]?(.*>)/$1status=1$3/igU
+s/(<a\s+href[^>]+)scrolling=['"]?(no|0|auto)['"]?(.*>)/$1scrolling=no$3/igU
+s/(<a\s+href[^>]+)menubar=['"]?(no|0)['"]?(.*>)/$1menubar=1$3/igU
-# ********************************************************************/
+# The <BLINK> tag was a crime!
#
-# If I allow popups, I want them to be resizeable and have a location
-# and status bar: check it out on http://www.airport-cgn.de/ and go to
-# the arrivals page.
+s*<blink>|</blink>**ig
+
+# Is this evil?
#
-# ********************************************************************/
-# s/resizable="?(no|0)"?/resizable=1/ig s/noresize/yesresize/ig
-# s/location="?(no|0)"?/location=1/ig s/status="?(no|0)"?/status=1/ig
-# s/scrolling="?(no|0|Auto)"?/scrolling=1/ig
-# s/menubar="?(no|0)"?/menubar=1/ig #s/framespacing="?(no|0)"?//ig
-# #s/margin(height|width)=[0-9]*//gi
+#s/margin(height|width)=[0-9]*//gi
+#s/noresize/yesresize/igU
+
-# ********************************************************************/
+#################################################################################
#
-# Remove frameborder=0 and border=0 from framesets
+# js-annoyances: Get rid of particularly annoying JavaScript abuse
#
-# ********************************************************************/
-s/(<frameset[^>]+?)border=['"]?(no|0)['"]?/$1/ig
-s/(<frameset[^>]+?)frameborder=['"]?(no|0)['"]?/$1/ig
+#################################################################################
+FILTER: js-annoyances Get rid of particularly annoying JavaScript abuse
-# ********************************************************************/
+# Get rid of Javascript referrer tracking. Test page: http://www.randomoddness.com/untitled.htm
#
-# The status bar is for displaying link targets, not pointless descriptions.
-# Again, check it out on http://www.airport-cgn.de/
+s|(<script.*)document\.referrer(.*</script>)|$1"Not Your Business!"$2|Usg
+
+# The status bar is for displaying link targets, not pointless blahblah
#
-# ********************************************************************/
s/status='.*?';*//ig
-# ********************************************************************/
+# Kill OnUnload popups. Yummy. Test: http://www.zdnet.com/zdsubs/yahoo/tree/yfs.html
#
-# Get rid of Javascript cookies, like found on privacy.net:
+s/(<body .*)onunload(.*>)/$1never$2/iU
+
+
+#################################################################################
+#
+# content-cookies: Kill cookies that come in the HTML or JS content
#
-# ********************************************************************/
+#################################################################################
+FILTER: content-cookies Kill cookies that come in the HTML or JS content
+# JS cookies, like found on privacy.net:
+#
s|(document\.cookie)([ \t\r\n]*=)|documenZapCooky$2|g
-# ********************************************************************/
+# HTML cookies:
#
-# Kill *all* popups a la popup.c. (But for *all* sites, so I wouldn't do that.)
+s|<meta\s+http-equiv=['"]?set-cookie['"]?\s+content=[^>].*>|<!--no cookies here -->|iUT
+
+
+##################################################################################
+#
+# no-popups: Kill all popups in JS and HTML
+#
+#################################################################################
+FILTER: no-popups Kill all popups in JS and HTML
+
+s/window\.open\(/1;''\.concat\(/ig # JavaScript
+s/target=['"]?_blank['"]?/target_crunched/ig # HTML
+s/target=['"]?_new['"]?/target_crunched/ig # HTML
+
+#################################################################################
#
-# JavaScript: s/window\.open\(/1;''\.concat\(/ig
-# HTML : s/target=['"]?_blank['"]?/target_who/g
+# frameset-borders: Give frames a border and make them resizable
+#
+#################################################################################
+FILTER: frameset-borders Give frames a border and make them resizable
+
+s/(<frameset [^>]+)framespacing=['"]?(no|0)['"]?(.*>)/$1$3/igU
+s/(<frameset [^>]+)frameborder=['"]?(no|0)['"]?(.*>)/$1$3/igU
+s/(<frame [^>]+)border=['"]?(no|0)['"]?(.*>)/$1$3/igU
+s/(<frame [^>]+)resizable=['"]?(no|0|false)['"]?(.*>)/$1$3/igU
+
+#################################################################################
+#
+# webbugs: Squish WebBugs (1x1 invisible GIFs used for user tracking)
+#
+#################################################################################
+FILTER: webbugs Squish WebBugs (1x1 invisible GIFs used for user tracking)
+
+s/<img\s+[^>]*?(width|height)\s*=\s*['"]?1\D[^>]*?(width|height)\s*=\s*['"]?1(\D[^>]*?)?>/<!-- Squished WebBug -->/sig
+
+
+#################################################################################
+#
+# no-refresh: Kill automatic refresh tags (for dial-on-demand setups)
+#
+#################################################################################
+FILTER: no-refresh Kill automatic refresh tags (for dial-on-demand setups)
+
+s/<meta\s+http-equiv=['"]?refresh['"]?\s+content=['"]?[0-9]*;\s+url=([^>]*)['"]?>/<link rev="x-refresh" href=$1>/iU
+s/<meta\s+http-equiv=['"]?page-enter['"]?\s+content=[^>].*>/<!--no page enter for me-->/iU
+
+
+#################################################################################
+#
+# fun: Text replacements for subversive browsing fun!
+#
+#################################################################################
+FILTER: fun Text replacements for subversive browsing fun!
+
+s/microsoft(?!.com)/MicroSuck/ig
+
+# Buzzword Bingo (example for extended syntax)
+#
+s* industry[ -]leading \
+| cutting[ -]edge \
+| award[ -]winning # Comments are OK, too! \
+| high[ -]performance \
+| solutions[ -]based \
+| unmatched \
+| unparalleled \
+| unrivalled \
+*<font color=red><b>BINGO!</b></font> \
+*igx
+
+
+#################################################################################
+#
+# nimda: Remove Nimda (virus) code
+#
+#################################################################################
+FILTER: nimda Remove Nimda (virus) code
+
+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
+
+
+#################################################################################
+#
+# banners-by-size: Kill banners by size
+#
+#################################################################################
+#
+# Standard banner sizes taken from http://www.iab.net/iab_banner_standards/bannersizes.html
#
-# Kill banners by size:
-# (Sizes from http://www.iab.net/iab_banner_standards/bannersizes.html)
# Note: Use http://ijbswa.sourceforge.net/config/send-banner?type=trans for a transparent 1x1 image
# Use http://ijbswa.sourceforge.net/config/send-banner?type=logo for the logo image
# Use http://ijbswa.sourceforge.net/config/send-banner?type=logo for a grey/white pattern image
# Use http://ijbswa.sourceforge.net/config/send-banner?type=auto to auto-select.
-# ********************************************************************/
+#
+#################################################################################
+FILTER: banners-by-size Kill banners by size
+
s|<img\s+[^>]*?(width=['"]?468\D)[^>]*(height=['"]?60[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
s|<img\s+[^>]*?(width=['"]?234\D)[^>]*(height=['"]?60[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
s|<img\s+[^>]*?(width=['"]?88\D)[^>]*(height=['"]?31[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
s|<img\s+[^>]*?(width=['"]?240\D)[^>]*(height=['"]?400[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
s|<img\s+[^>]*?(width=['"]?336\D)[^>]*(height=['"]?280[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
-# Where is that from?
+# One more. (Where is 200x50 from?)
+#
s|<img\s+[^>]*?(width=['"]?200\D)[^>]*(height=['"]?50[^>]*?)>|<img src=http://ijbswa.sourceforge.net/config/send-banner?type=auto $1 $2>|sig
-# ********************************************************************/
-#
-# Squish WebBugs:
-#
-# ********************************************************************/
-s/<img\s+[^>]*?(width|height)\s*=\s*['"]?1\D[^>]*?(width|height)\s*=\s*['"]?1(\D[^>]*?)?>/<!-- Squished WebBug -->/sig
-# ********************************************************************/
-#
-# Fun stuff
+#################################################################################
#
-# ********************************************************************/
-#s/microsoft(?!.com)/MicroSuck/ig
-
-# ********************************************************************/
+# crude-parental: Crude parental filtering? (Use along with a suitable blocklist).
+# Shows how to deny access to whole page based on a keyword.
#
-# Crude parental filtering? (Use along with a suitable blocklist).
-# Shows how to deny access to whole page based on a keyword.
+#################################################################################
#
# (Note: Middlesex, Sussex and Essex are counties in the UK, not rude words)
# (Note #2: Is 'sex' a rude word?!)
#
-#s%^.*(?<!middle)(?<!sus)(?<!es)sex.*$%<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
-#s+^.*warez.*$+<html><head><title>No Warez</title></head><body><h3>You're not searching for illegal stuff, are you?</h3></body></html>+is
-
-# ********************************************************************/
-#
-# Remove Nimda code.
-#
-# ********************************************************************/
-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
-
+#################################################################################
+FILTER: crude-parental Crude parental filtering (demo only)
+s%^.*(?<!middle)(?<!sus)(?<!es)sex.*$%<html><head><title>Blocked</title></head><body><h3>Blocked due to possible adult content. Please see <a href="http://dmoz.org/Kids_and_Teens/">this site</a>.</h3></body></html>%is
+s+^.*warez.*$+<html><head><title>No Warez</title></head><body><h3>You're not searching for illegal stuff, are you?</h3></body></html>+is
projects / privoxy.git / blobdiff