1 # ********************************************************************
3 # File : $Source: /cvsroot/ijbswa/current/default.filter,v $
5 # $Id: default.filter,v 1.36 2007/02/05 16:47:31 fabiankeil Exp $
7 # Purpose : Rules to process the content of web pages
9 # Copyright : Written by and Copyright (C) 2001 - 2007 the
10 # Privoxy team. http://www.privoxy.org/
12 # We value your feedback. However, to provide you with the best support,
15 # * Use the support forum to get help:
16 # http://sourceforge.net/tracker/?group_id=11118&atid=211118
17 # * Submit bugs only thru our bug forum:
18 # http://sourceforge.net/tracker/?group_id=11118&atid=111118
19 # Make sure that the bug has not already been submitted. Please try
20 # to verify that it is a Privoxy bug, and not a browser or site
21 # bug first. If you are using your own custom configuration, please
22 # try the stock configs to see if the problem is a configuration
23 # related bug. And if not using the latest development snapshot,
24 # please try the latest one. Or even better, CVS sources.
25 # * Submit feature requests only thru our feature request forum:
26 # http://sourceforge.net/tracker/?atid=361118&group_id=11118&func=browse
28 # For any other issues, feel free to use the mailing lists:
29 # http://sourceforge.net/mail/?group_id=11118
31 # Anyone interested in actively participating in development and related
32 # discussions can join the appropriate mailing list here:
33 # http://sourceforge.net/mail/?group_id=11118. Archives are available
36 #################################################################################
40 # Filters start with a line "FILTER: name description". They are then referrable
41 # from the actionsfile with +filter{name}
43 # Inside the filters, write one Perl-Style substitution (job) per line.
44 # Jobs that precede the first FILTER: line are ignored.
46 # For Details see the pcrs manpage contained in this distribution.
47 # (and the perlre, perlop and pcre manpages)
49 # Note that you are free to choose the delimter as you see fit.
51 # Note2: In addidion to the Perl options gimsx, the following nonstandard
52 # options are supported:
54 # 'U' turns the default to ungreedy matching. Add ? to quantifiers to
55 # switch back to greedy.
56 # 'T' (trivial) prevents parsing for backreferences in the substitute.
57 # Use if you want to include text like '$&' in your substitute without
60 #################################################################################
63 #################################################################################
65 # js-annoyances: Get rid of particularly annoying JavaScript abuse
67 #################################################################################
68 FILTER: js-annoyances Get rid of particularly annoying JavaScript abuse
70 # Note: Most of these jobs would be safer if restricted to a
71 # <script> context as in:
73 # s/(<script.*)nasty-item(?=.*<\/script>)/$1replacement/sigU
75 # but that would make them match only the first occurance of
76 # nasty-item in each <script>. We need nestable jobs!
78 # Get rid of Javascript referrer tracking.
79 # Test page: http://www.javascript-page.com/referrer.html
81 s|(?:\w+\.)+referrer|"Not Your Business!"|gisU
83 # The status bar is for displaying link targets, not pointless blahblah
85 s/(\W\s*)((this|window)\.(default)?status)\s*=\s*((['"]).*?(?<!\\)\6)/$1if(typeof(this.href) != 'undefined') $2 = $5 + ' URL: ' + this.href;else return false/ig
86 s/(?:(?:this|window)\.(?:default)?status)\s*=\s*\w*\s*;//ig
88 # Kill OnUnload popups. Yummy.
89 # Test: http://www.zdnet.com/zdsubs/yahoo/tree/yfs.html
91 s/(<body\s+[^>]*)onunload/$1never/siU
92 s|(<script.*)window\.onunload(?=.*</script>)|$1never|sigU
94 # If we allow window.open, we want normal window features:
95 # Test: http://www.htmlgoodies.com/beyond/notitle.html
97 s/(open\s*\([^\)]+resizable=)(["']?)(?:no|0)\2/$1$2yes$2/sigU
98 s/(open\s*\([^\)]+location=)(["']?)(?:no|0)\2/$1$2yes$2/sigU
99 s/(open\s*\([^\)]+status=)(["']?)(?:no|0)\2/$1$2yes$2/sigU
100 s/(open\s*\([^\)]+scroll(?:ing|bars)=)(["']?)(?:no|0)\2/$1$2auto$2/sigU
101 s/(open\s*\([^\)]+menubar=)(["']?)(?:no|0)\2/$1$2yes$2/sigU
102 s/(open\s*\([^\)]+toolbar=)(["']?)(?:no|0)\2/$1$2yes$2/sigU
103 s/(open\s*\([^\)]+directories=)(["']?)(?:no|0)\2/$1$2yes$2/sigU
104 s/(open\s*\([^\)]+fullscreen=)(["']?)(?:yes|1)\2/$1$2no$2/sigU
105 s/(open\s*\([^\)]+always(?:raised|lowered)=)(["']?)(?:yes|1)\2/$1$2no$2/sigU
106 s/(open\s*\([^\)]+z-?lock=)(["']?)(?:yes|1)\2/$1$2no$2/sigU
107 s/(open\s*\([^\)]+hotkeys=)(["']?)(?:yes|1)\2/$1$2no$2/sigU
108 s/(open\s*\([^\)]+titlebar=)(["']?)(?:no|0)\2/$1$2yes$2/sigU
109 s/(open\s*\([^\)]+always(?:raised|lowered)=)(["']?)(?:yes|1)\2/$1$2no$2/sigU
112 #################################################################################
114 # js-events: Kill all JS event bindings and timers (Radically destructive! Only for extra nasty sites)
116 #################################################################################
117 FILTER: js-events Kill all JS event bindings and timers (Radically destructive! Only for extra nasty sites)
119 s/(on|event\.)((mouse(over|out|down|up|move))|(un)?load|contextmenu|selectstart)/never/ig
120 # Not events, but abused on the same type of sites:
121 s/(alert|confirm)\s*\(/concat(/ig
122 s/settimeout\(/concat(/ig
124 #################################################################################
126 # html-annoyances: Get rid of particularly annoying HTML abuse
128 #################################################################################
129 FILTER: html-annoyances Get rid of particularly annoying HTML abuse
131 # New browser windows (if allowed -- see no-popups filter below) should be
132 # resizeable and have a location and status bar
134 s/(<a\s+href[^>]+resizable=)(['"]?)(?:no|0)\2/$1$2yes$2/igU
135 s/(<a\s+href[^>]+location=)(['"]?)(?:no|0)\2/$1$2yes$2/igU
136 s/(<a\s+href[^>]+status=)(['"]?)(?:no|0)\2/$1$2yes1$2/igU
137 s/(<a\s+href[^>]+scrolling=)(['"]?)(?:no|0)\2/$1$2auto$2/igU
138 s/(<a\s+href[^>]+menubar=)(['"]?)(?:no|0)\2/$1$2yes$2/igU
140 # The <BLINK> and <MARQUEE> tags were crimes!
142 s-</?(blink|marquee).*>--sigU
145 #################################################################################
147 # content-cookies: Kill cookies that come in the HTML or JS content
149 #################################################################################
150 FILTER: content-cookies Kill cookies that come in the HTML or JS content
152 # JS cookies, except those used by antiadbuster.com to detect us:
154 s|(\w+\.)+cookie(?=[ \t\r\n]*=)(?!='aab)|ZappedCookie|ig
158 s|<meta\s+http-equiv=['"]?set-cookie.*>|<!-- ZappedCookie -->|igU
161 #################################################################################
163 # refresh-tags: Kill automatic refresh tags (for dial-on-demand setups)
165 #################################################################################
166 FILTER: refresh-tags Kill automatic refresh tags (for dial-on-demand setups)
168 # Note: Only deactivates refreshes with more than 9 seconds delay to
169 # preserve monster-stupid but common redirections via meta tags.
171 s/<meta\s+http-equiv\s*=\s*(['"]?)refresh\1\s+content\s*=\s*(['"]?)\d{2,}\s*(;\s*url\s*=\s*([^>\2]*))?\2/<link rev="x-refresh" href="$4"/iU
174 #################################################################################
176 # unsolicited-popups: Disable unsolicited pop-up windows
178 #################################################################################
179 FILTER: unsolicited-popups Disable only unsolicited pop-up windows
181 s+([^'"]\s*<head.*>)(?=\s*[^'"])+$1<script>function PrivoxyWindowOpen(){return(null);}</script>+isU
182 s+([^\w\s.]\s*)((window|this|parent)\.)?open\s*\(+$1PrivoxyWindowOpen(+ig
183 s+([^'"]\s*</html>)(?!\s*(\\n|'|"))+$1<script>function PrivoxyWindowOpen(a, b, c){return(window.open(a, b, c));}</script>+iU
186 ##################################################################################
188 # all-popups: Kill all popups in JavaScript and HTML
190 #################################################################################
191 FILTER: all-popups Kill all popups in JavaScript and HTML
193 s/((\W\s*)(window|this|parent)\.)open\s*\\?\(/$1concat(/ig # JavaScript
194 s/\starget\s*=\s*(['"]?)_?(blank|new)\1?/ notarget/ig # HTML
197 ##################################################################################
199 # img-reorder: Reorder attributes in <img> tags to make the banners-by-* filters more effective
201 #################################################################################
202 FILTER: img-reorder Reorder attributes in <img> tags to make the banners-by-* filters more effective
204 # In the first step src is moved to the start, then width is moved to the second
205 # place to guarantee an order of src, width, height.
206 # This makes banners-by-size more effective and allows both banners-by-size
207 # and banners-by-link to preserve the original image URL in the title attribute.
209 s|<img\s+?([^>]*) src\s*=\s*(['"])([^>\\\2]+)\2|<img src=$2$3$2 $1|siUg
210 s|<img\s+?([^>]*) src\s*=\s*([^'">\\\s]+)|<img src=$2 $1|sig
212 s|<img (src=(?:(['"])[^>\\\\2]*\2\|[^'">\\\s]+?))([^>]*)\s+width\s*=\s*(["']?)(\d+?)\4|<img $1 width=$4$5$4$3|siUg
215 #################################################################################
217 # banners-by-size: Kill banners by size
219 #################################################################################
221 # Standard banner sizes taken from http://www.iab.net/iab_banner_standards/bannersizes.html
223 # Note: Use http://config.privoxy.org/send-banner?type=trans for a transparent 1x1 image
224 # Use http://config.privoxy.org/send-banner?type=pattern for a grey/white pattern image
225 # Use http://config.privoxy.org/send-banner?type=auto to auto-select.
227 # Note2: Use img-reorder before this filter to ensure maximum matching success
229 #################################################################################
230 FILTER: banners-by-size Kill banners by size
233 s@<img\s+(?:src\s*=\s*(['"]?)([^>\\\1\s]+)\1)?[^>]*?(width=(['"]?)88\4)[^>]*?(height=(['"]?)31\6)[^>]*?(?=/?>)@\
234 <img src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed-$2-by-size" $3 $5@sig
235 # 120*60, 120*90, 120*240, 120*600
236 s@<img\s+(?:src\s*=\s*(['"]?)([^>\\\1\s]+)\1)?[^>]*?(width=(['"]?)120\4)[^>]*?(height=(['"]?)(?:600?|90|240)\6)[^>]*?(?=/?>)@\
237 <img src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed-$2-by-size" $3 $5@sig
239 s@<img\s+(?:src\s*=\s*(['"]?)([^>\\\1\s]+)\1)?[^>]*?(width=(['"]?)125\4)[^>]*?(height=(['"]?)125\6)[^>]*?(?=/?>)@\
240 <img src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed-$2-by-size" $3 $5@sig
242 s@<img\s+(?:src\s*=\s*(['"]?)([^>\\\1\s]+)\1)?[^>]*?(width=(['"]?)160\4)[^>]*?(height=(['"]?)600\6)[^>]*?(?=/?>)@\
243 <img src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed-$2-by-size" $3 $5@sig
245 s@<img\s+(?:src\s*=\s*(['"]?)([^>\\\1\s]+)\1)?[^>]*?(width=(['"]?)180\4)[^>]*?(height=(['"]?)150\6)[^>]*?(?=/?>)@\
246 <img src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed-$2-by-size" $3 $5@sig
247 # 234*60, 468*60 (Most Banners!)
248 s@<img\s+(?:src\s*=\s*(['"]?)([^>\\\1\s]+)\1)?[^>]*?(width=(['"]?)(?:234|468)\4)[^>]*?(height=(['"]?)60\6)[^>]*?(?=/?>)@\
249 <img src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed-$2-by-size" $3 $5@sig
251 s@<img\s+(?:src\s*=\s*(['"]?)([^>\\\1\s]+)\1)?[^>]*?(width=(['"]?)240\4)[^>]*?(height=(['"]?)400\6)[^>]*?(?=/?>)@\
252 <img src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed-$2-by-size" $3 $5@sig
254 s@<img\s+(?:src\s*=\s*(['"]?)([^>\\\1\s]+)\1)?[^>]*?(width=(['"]?)(?:250|300)\4)[^>]*?(height=(['"]?)250\6)[^>]*?(?=/?>)@\
255 <img src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed-$2-by-size" $3 $5@sig
257 s@<img\s+(?:src\s*=\s*(['"]?)([^>\\\1\s]+)\1)?[^>]*?(width=(['"]?)336\4)[^>]*?(height=(['"]?)280\6)[^>]*?(?=/?>)@\
258 <img src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed-$2-by-size" $3 $5@sig
260 # Note: 200*50 was also proposed, but it probably causes too much collateral damage:
262 #s@<img\s+(?:src\s*=\s*(['"]?)([^>\\\1\s]+)\1)?[^>]*?(width=(['"]?)200\4)[^>]*?(height=(['"]?)50\6)[^>]*?(?=/?>)@\
263 # <img src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed-$2-by-size" $3 $5@sig
266 #################################################################################
268 # banners-by-link: Kill banners by their links to known clicktrackers (Experimental)
270 #################################################################################
271 FILTER: banners-by-link Kill banners by their links to known clicktrackers
273 # Common case with width and height attributes:
275 s@<a\s+href\s*=\s*(['"]?)([^>\1\s]*?(?:\
276 adclick # See www.dn.se \
277 | advert # see dict.leo.org \
278 | atwola\.com/(?:link|redir) # see www.cnn.com \
279 | /jump/ # redirs for doublecklick.net ads \
280 | tracker | counter # common \
281 | adlog\.pl # see sf.net \
282 )[^>\1\s]*)\1[^>]*>\s*<img\s+(?:src\s*=\s*(['"]?)([^>\\\3\s]+)\3)?[^>]*((?:width|height)\s*=\s*(['"]?)\d+?\6)[^>]*((?:width|height)\s*=\s*(['"]?)\d+?\8)[^>]*?(?=/?>)\
283 @<img $5 $7 src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed $4 by link to $2"@sigx
285 # Rare case w/o explicit dimensions:
287 s@<a\s+href\s*=\s*(['"]?)([^>\1\s]*?(?:ad(?:click|vert)|atwola\.com/(?:link|redir)|doubleclick\.net/jump/|tracker|counter|adlog\.pl)[^>\1\s]*)\1[^>]*>\s*<img\s+(?:src\s*=\s*(['"]?)([^>\\\3\s]+)\3)?[^>]*?(?=/?>)@<img src="http://config.privoxy.org/send-banner?type=auto" border="0" title="Killed $4 by link to $2"@sig
290 ################################################################################
292 # webbugs: Squish WebBugs (1x1 invisible GIFs used for user tracking)
294 #################################################################################
295 FILTER: webbugs Squish WebBugs (1x1 invisible GIFs used for user tracking)
297 s@<img[^>]*\s(?:width|height)\s*=\s*['"]?[01](?=\D)[^>]*\s(?:width|height)\s*=\s*['"]?[01](?=\D)[^>]*?>@@siUg
300 #################################################################################
302 # tiny-textforms: Extend those tiny textareas up to 40x80 and kill the hard wrap
304 #################################################################################
305 FILTER: tiny-textforms Extend those tiny textareas up to 40x80 and kill the hard wrap
307 s/(<textarea[^>]*?)(?:\s*(?:rows|cols)=(['"]?)\d+\2)+/$1 rows=$2\40$2 cols=$2\80$2/ig
308 s/(<textarea[^>]*?)wrap=(['"]?)hard\2/$1/ig
311 #################################################################################
313 # jumping-windows: Prevent windows from resizing and moving themselves
315 #################################################################################
316 FILTER: jumping-windows Prevent windows from resizing and moving themselves
318 s/(?<=[\W])(?:window|this|self)\.(?:move|resize)(?:to|by)\(/''.concat(/ig
320 #################################################################################
322 # frameset-borders: Give frames a border, make them resizable and scrollable
324 #################################################################################
325 FILTER: frameset-borders Give frames a border and make them resizable
327 s/(<frameset\s+[^>]*)framespacing=(['"]?)(no|0)\2/$1/igU
328 s/(<frameset\s+[^>]*)frameborder=(['"]?)(no|0)\2/$1/igU
329 s/(<frameset\s+[^>]*)border=(['"]?)(no|0)\2/$1/igU
330 s/(<frame\s+[^>]*)noresize/$1/igU
331 s/(<frame\s+[^>]*)frameborder=(['"]?)(no|0)\2/$1/igU
332 s/(<frame\s+[^>]*)scrolling=(['"]?)(no|0)\2/$1/igU
336 #################################################################################
338 # demoronizer: Correct Microsoft's abuse of standardized character sets, which
339 # leave the browser to (mis)-interpret unknown characters, with
340 # sometimes bizarre results on non-MS platforms.
342 # credit: ripped from the demoroniser.pl script by:
343 # John Walker -- January 1998, http://www.fourmilab.ch/webtools/demoroniser
345 #################################################################################
346 FILTER: demoronizer Fix MS's non-standard use of standard charsets
348 s/(&\#[0-2]\d\d)\s/$1; /g
349 # per Robert Lynch: http://slate.msn.com//?id=2067547, just a guess.
350 # Must come before x94 below.
351 s/\xE2\x80\x94/ -- /g
363 # Bullet type character.
367 #s-\x98-<sup>~</sup>-g
368 #s-\x99-<sup>TM</sup>-g
373 #################################################################################
375 # shockwave-flash: Kill embedded Shockwave Flash objects
376 # Note: Better just block "/.*\.swf$"!
378 #################################################################################
379 FILTER: shockwave-flash Kill embedded Shockwave Flash objects
381 s|<object [^>]*macromedia.*</object>|<!-- Squished Shockwave Object -->|sigU
382 s|<embed [^>]*(application/x-shockwave-flash\|\.swf).*>(.*</embed>)?|<!-- Squished Shockwave Flash Embed -->|sigU
385 #################################################################################
387 # quicktime-kioskmode: Make Quicktime movies saveable
389 #################################################################################
390 FILTER: quicktime-kioskmode Make Quicktime movies saveable
392 s/(<embed\s+[^>]*)kioskmode\s*=\s*(["']?)true\2/$1/ig
395 #################################################################################
397 # fun: Text replacements for subversive browsing fun!
399 #################################################################################
400 FILTER: fun Text replacements for subversive browsing fun!
404 s/microsoft(?!.[^\s])/MicroSuck/ig
406 # Buzzword Bingo (example for extended regex syntax)
408 s* (?:industry|world)[ -]leading \
410 | customer[ -]focused \
412 | award[ -]winning # Comments are OK, too! \
413 | high[ -]performance \
414 | solutions[ -]based \
418 *$0<sup><font color="red"><b>Bingo!</b></font></sup> \
423 s/(M|m)edien(?![^<]*>)/$1ädchen/Ug
425 #################################################################################
427 # crude-parental: Crude parental filtering. Use with a suitable blocklist.
428 # Pages are "blocked" based on keyword matching.
430 #################################################################################
431 FILTER: crude-parental Crude parental filtering
433 # (Note: Middlesex, Sussex and Essex are counties in the UK, not rude words)
434 # (Note #2: Is 'sex' a rude word?!)
436 # Remove by description
438 (suck |lick |tounge |rub |fuck |fingering |finger |chicks? )?\
439 (her |your |my |hard |with |big |wet |tight |pink |hot |moist |young |teen )+\
440 (dicks?|penis|cocks?|balls?|tits?|pussy|cunt|clit|ass|mouth).*$\
441 /This page has been blocked by Privoxy's crude-parental content filter\
446 (download|broadband|view|watch|free|get|extreem)? \
447 (sex|xxx|porn|cumshot|fuck(ing|s)?|anal|ass|asian|adult|Amateur|org(y|ies)|close ups?|hand ? job|nail(ed)?)+ \
448 (movies?|pics?|videos?|dvds?|dvd's|links?).*$\
449 /This page has been blocked by Privoxy's crude-parental content filter\
452 #Remove by age disclaimer
454 (models?|chicks?|girls?|women|persons) \
455 (who|are|were)+ (over|at least) (16|18|21) years (old|of age).*$\
456 /This page has been blocked by Privoxy's crude-parental content filter\
459 #Remove by regulations
460 s/^.*(Section 2257|18 U.?S.?C.? 2257).*$\
461 /This page has been blocked by Privoxy's crude-parental content filter\
465 #################################################################################
467 # IE-Exploits: Disable some known Internet Explorer bug exploits
469 #################################################################################
470 FILTER: ie-exploits Disable some known Internet Explorer bug exploits
472 # Note: This is basically a demo and waits for someone more interested in IE
473 # security (sic!) to take over.
475 # Cross-site-scripting:
477 s%f\("javascript:location.replace\('mk:@MSITStore:C:'\)"\);%alert\("This page looks like it tries to use a vulnerability described here:\n http://online.securityfocus.com/archive/1/298748/2002-11-02/2002-11-08/2"\);%siU
479 # Address bar spoofing (http://www.secunia.com/advisories/10395/):
481 s/(<a[^>]*href[^>]*)(?:\x01|\x02|\x03|%0[012])@/$1MALICIOUS-LINK@/ig
485 s%<script language="JavaScript">(window\.open|1;''\.concat)\("readme\.eml", null, "resizable=no,top=6000,left=6000"\)</script>%<br><font size="7"> WARNING: This Server is infected with <a href="http://www.cert.org/advisories/CA-2001-26.html">Nimda</a>!</font>%g
488 #################################################################################
491 # site-specifics: Cure for site-specific problems. Don't apply generally!
493 # Note: The fixes contained here are so specific to the problems of the
494 # particular web sites they are designed for that they would be a
495 # waste of CPU cycles (or even destructive!) on 99.9% of the web
496 # sites where they don't apply.
498 #################################################################################
499 FILTER: site-specifics Cure for site-specific problems. Don't apply generally!
501 # www.spiegel.de excludes X11 users from viewing Flash5 objects - shame.
502 # Apply to: www.spiegel.de/static/js/flash-plugin.js
504 s/indexOf\("x11"\)/indexOf("x13")/
506 # www.quelle-bausparkasse.de uses a very stupid redirect mechanism that
507 # relies on a webbug being present. Can we tolerate that? No!
508 # Apply to: www.quelle-bausparkasse.de/$
512 # groups.yahoo.com has splash pages that one needs to click through in
513 # order to access the actual messages. Let the browser do that. Thanks
514 # to Paul Jobson for this one:
516 s|<a href="(.+?)">(?:Continue to message\|Weiter zu Nachricht)</a>|<meta http-equiv="refresh" content="0; URL=$1">|ig
518 # monster.com has two very similar gimmicks:
520 s|<input type="hidden" name="REDIRECT" value="(.+?)">|<meta http-equiv="refresh" content="0; URL=$1">|i
522 s|<IMG SRC="http://media.monster.com/mm/usen/my/no_thanks_211x40.gif".+?>|<meta http-equiv="refresh" content="0; URL=http://my.monster.com/resume.asp">|i
524 # nytimes.com triggers popups through the onload handler of dummy images
525 # to fool popup-blockers.
527 s|(<img [^>]*)onload|$1never|sig
529 # Pre-check all the "Discard" buttons in GNU Mailman's web interface.
530 # (This saves a lot of mouse aiming practice when flushing spamtraps)
532 s|(<INPUT name="\d{2,4}" type="RADIO" value="0") CHECKED |$1|g
533 s|<INPUT name="\d{2,4}" type="RADIO" value="3" |$0 checked|g
535 #################################################################################
537 # no-ping: Removes non-standard ping attributes in <a> and <area> tags.
539 #################################################################################
540 FILTER: no-ping Removes non-standard ping attributes in <a> and <area> tags.
541 s@(<a(?:rea)?[^>]*?)\sping=(['"]?)([^"'>]+)\2([>\s]?)@\
542 <strong style="color:white; background-color:red;" title="Privoxy removed ping target '$3'">PING!</strong>\n$1$4@ig
544 #################################################################################
546 # google: CSS-based block for Google text ads. Also removes
547 # a width limitation and the toolbar advertisement.
549 #################################################################################
550 FILTER: google CSS-based block for Google text ads. Also removes a width limitation and the toolbar advertisement.
551 s@</head>@<style type="text/css">\n\
552 /* Style sheet inserted by Privoxy's google filter. */\n\
553 \#fbc, \#fbl, \#ra, .rhh {visibility: hidden !important;}\n\
554 \#tpa1,\#tpa2,\#tpa3,\#tpa4,\#tpa5,\#tpa5, \#spl, .ch, \#ads,\
555 \#toolbar, \#google_ads_frame, \#mbEnd {display: none !important;}\n\
556 .main_body, .j {width: 100%}\n</style>\n$0@
557 s@<div style=\"padding-top:11px;min-width:500px\">@<div id="main_body">@
558 s@(<table cellspacing=0 cellpadding=0 width=25% align=right bgcolor=\#ffffff border=0\
559 |</font></td></tr></tbody></table><table align=\"right\" bgcolor=\"\#ffffff\"\
560 |<table cellspacing=0 cellpadding=0 align=right bgcolor=\#ffffff border=0\
561 |<table style=\"clear:both\" align=right width=25% cellspacing=\"0\" cellpadding=\"0\"\
562 border=\"0\" bgcolor=\"\#ffffff\")@$0 id="ads"@
563 s@(<br clear=all><table)( border=0 cellpadding=9><tr><td)@$1 id="toolbar"$2@
565 #################################################################################
567 # yahoo: CSS-based block for Yahoo text ads. Also removes a width limitation.
569 #################################################################################
570 FILTER: yahoo CSS-based block for Yahoo text ads. Also removes a width limitation.
571 s@</head>@\n<style type="text/css">\n\
572 /* Style sheet inserted by Privoxy's yahoo filter. */\n\
573 \#symadbn, \#ymadbn, .yschbox, \#yschsec, .yschhd, \#yschanswr, .yschftad,\
574 .yschspn, .yschspns, \#ygrp-sponsored-links {display: none !important;}\n\
575 \#yschpri, \#yschweb {width: 100% !important; max-width: 100% !important;}\n\
576 \#yschqcon, \#yschtg {width: auto !important; /* No useless horizontal scrollbar please */}\n\
579 #################################################################################
581 # msn: CSS-based block for MSN text ads. Also removes tracking URLs
582 # and a width limitation.
584 #################################################################################
585 FILTER: msn CSS-based block for MSN text ads. Also removes tracking URLs and a width limitation.
586 s@</head>@<style type="text/css">\n\
587 /* Style sheet inserted by Privoxy's msn filter. */\n\
588 .msn_ads {display: none !important;}\n\
589 \#results, .flank, .results_area_flank, .results_area_stroke, .SearchSection .not\
590 {width: 99% /*!important*/; min-width: 99% !important;\
591 max-width: 100% !important; /* width:100% sometimes causes horizontal scrollbars */}\n\
592 /* Make continue links harder to miss */\n\
593 \#pagination_bottom a {padding: .3em .5em .3em .5em; border: 1px solid \#e6e6e6;}\n\
594 \#pagination_bottom li, \#pagination_bottom li .selected, li .nextPage \
595 {margin: 0 !important; cursor: auto; border: none; padding:.1em;}\n\
596 \#pagination_bottom li .prevPage {padding-right: 1.5em !important;}\n\
597 \#pagination_bottom li .selected {border: none;}\n\
598 .selected a {background-color: \#d2eaf6; border: 1px solid \#b7d8ee;}\n\
599 /* Remove "suggestions". They are next to worthless but partly overlap with the search results */\n\
600 .suggestion, \#nys_right {clear: both; display:none;}\n\
602 s@(<div[^>]*) id=(["']?)ads_[^\2]*\2@$1 class="msn_ads"@Uig
603 s@(<a[^>]*href=\")http://g.msn.com/.*\?(http://.*)(&&DI=.*)(\")@$1$2$4@Ug
604 s@(<a[^>]*)gping=\".*\"@$1 title="URL cleaned up by Privoxy's msn filter"@Ug
606 #################################################################################
608 # blogspot: Cleans up some Blogspot blogs. Read the fine print before using this.
610 # This filter also intentionally removes some navigation stuff and
611 # sets the page width to 100%. As a result, some rounded "corners" would
612 # appear to early or not at all and as fixing this would require a browser
613 # that understands background-size (CSS3), they are removed instead.
615 #################################################################################
616 FILTER: blogspot Cleans up some Blogspot blogs. Read the fine print before using this.
617 s@</head>@<style type="text/css">\n\
618 /* Style sheet inserted by Privoxy's blogspot filter. */\n\
619 \#powered-by {display: none !important;}\n\
620 \#wrap4, \#wrapper {margin-top: 0px }\n\
621 \#blogheader, \#header {margin-top: 0.5em !important}\n\
622 \#content {width: 98% }\n\
623 \#main {width: 70% }\n\
624 \#sidebar {width: 29% }\n\
625 .post-body {overflow: auto;}\n\
626 .blogComments {width: 100%; overflow: auto;}\n</style>\n$0@
627 s@<body.*(?:<div id="space-for-ie"></div>|(<div id="(?:content|wrap4|wrapper)))@<body>\
628 <!-- Privoxy's blogspot filter ditched some garbage here -->$1@Us
629 s@(<div style=\"[^\"]*width:)30em@$1 100%@
630 s@background:url\(\"http://www.blogblog.com/rounders[^\"]*\"\).*;@/*$0*/@Ug
631 s@(background:\#[a-f\d]{3})( url\(\"http://www.blogblog.com/rounders[^\"]*\"\).*;)@$1 ;/*$2*/@Ug
633 #################################################################################
635 # x-httpd-php-to-html: Header filter to change the Content-Type from
636 # x-httpd-php to html. "Content-Type: x-httpd-php"
637 # is set by clueless PHP users and causes many
638 # browsers do open a download menu instead of
639 # rendering the page.
641 #################################################################################
642 FILTER: x-httpd-php-to-html Header filter to change the Content-Type from x-httpd-php to html.
643 s@^(Content-Type:) application/x-httpd-php@$1 text/html@
645 #################################################################################
647 # html-to-xml: Header filter to change the Content-Type from html to xml.
649 #################################################################################
650 FILTER: html-to-xml Header filter to change the Content-Type from html to xml.
651 s@^(Content-Type:) text/html(;.*)?$@$1 application/xhtml+xml$2@
653 #################################################################################
655 # xml-to-html: Header filter to change the Content-Type from xml to html.
657 #################################################################################
658 FILTER: xml-to-html Header filter to change the Content-Type from xml to html.
659 s@^(Content-Type:) (?:application|text)/(?:xhtml\+)?xml(;.*)?$@$1 text/html$2@
661 #################################################################################
663 # hide-tor-exit-notation: Header filter to remove the Tor exit node notation
664 # in Host and Referer headers.
666 # Note: If Privoxy and Tor are chained and Privoxy is configured to
667 # use socks4a, one can use http://www.example.org.foobar.exit/
668 # to access the host www.example.org through Tor exit node foobar.
670 # As the HTTP client isn't aware of this notation, it treats the
671 # whole string "www.example.org.foobar.exit" as host and uses it
672 # for the "Host" and "Referer" headers. From the server's point of
673 # view the resulting headers are invalid and can cause problems.
675 # An invalid "Referer" header can trigger "hot-linking" protections,
676 # an invalid "Host" header will make it impossible for the server to
677 # find the right vhost (several domains hosted on the same IP address).
679 # This filter removes the "foo.exit" part in those headers
680 # to prevent the mentioned problems. Note that it only modifies
681 # the HTTP headers, it doesn't make it impossible for the server
682 # to detect your Tor exit node based on the IP address the request is
685 #################################################################################
686 FILTER: hide-tor-exit-notation Header filter to remove the Tor exit node notation in Host and Referer headers.
687 s@^((?:Referer|Host):\s*(?:https?://)?[^/]*)\.[^\./]*?\.exit@$1@i
690 ##############################################################################
693 # $Log: default.filter,v $
694 # Revision 1.36 2007/02/05 16:47:31 fabiankeil
695 # - Let banners-by-link look for "advert".
696 # - Fix XML systax problems with banners-by-link
697 # and banners-by-size (AF#1651570).
699 # Revision 1.35 2006/12/21 12:28:12 fabiankeil
700 # Escaping special characters in filter descriptions is no
701 # longer necessary, it's done by Privoxy now.
703 # Revision 1.34 2006/12/12 17:32:23 fabiankeil
704 # Added id mbEnd to google filter, it's now and then
705 # used for the sponsored links.
707 # Have js-annoyances try to prevent status bar
708 # modifications where the status bar text is
709 # inside another variable. Fixes 1605710.
711 # Revision 1.33 2006/11/16 17:10:43 fabiankeil
712 # Removed webbugs debugging comment again.
713 # The apostrophe could break JavaScript and
714 # the comment itself could mess up existing
717 # Revision 1.32 2006/11/10 18:04:04 fabiankeil
718 # Have no-ping print the ping warning in red.
720 # Modified yahoo to keep in sync with recent
721 # CSS changes and to suppress a useless horizontal
724 # msn now makes sure that the continue-link boxes
725 # act as links (the original CSS just changes the cursor).
727 # Changed fun filter regex to leave microsoft links alone.
730 # Revision 1.31 2006/10/21 13:12:28 fabiankeil
731 # Added no-ping and hide-tor-exit-notation.
733 # Adjusted jumping-windows to break less.
736 # Revision 1.30 2006/10/18 12:36:50 fabiankeil
737 # google filter now cleans Google groups as well.
739 # Revision 1.29 2006/10/11 14:03:17 fabiankeil
740 # Changed img-reorder regex to only move width
741 # attributes if they are following at least one
742 # whitespace. Fixes BR 1328455.
744 # Revision 1.28 2006/10/11 13:31:13 fabiankeil
745 # Added Anduin Withers' js-annoyances fix
746 # for not messing up escaped quotes. Fixes BR 999765.
748 # Improved blogspot filter to make it less likely that
749 # the blogspot banner at the top of the page is missed.
751 # Revision 1.27 2006/10/08 17:00:51 fabiankeil
752 # Modified webbugs filter to create a comment around the offending
753 # image instead of removing it entirely.
755 # Adjusted regex to only match if there's at least one whitespace
756 # before the width and height attributes. Makes it more likely that
757 # they are indeed attributes, and not part of the value of another attribute.
760 # Thanks to Martin Thomas for diagnosing the cause of the problem.
762 # Revision 1.26 2006/10/06 18:06:16 fabiankeil
763 # Added header filter x-httpd-php-to-html
764 # and reverted another img-reorder whitespace
767 # Revision 1.25 2006/10/06 15:26:09 fabiankeil
768 # Bumped copyright year.
770 # Reverted parts of the last img-reorder change
771 # which were intended to remove superfluous whitespace
772 # but had the side effect to mess up some tags.
774 # Modified banners-by-size and banners-by-link to
775 # use border value "0" instead of "\0". Fixes BR 1100065.
777 # Revision 1.24 2006/10/06 11:25:31 fabiankeil
778 # Taught img-reorder not to break img tags
779 # with empty src attributes. Fixes BR 1089474.
780 # Thanks to Raphael Moll for reporting.
782 # Revision 1.23 2006/10/05 14:46:28 fabiankeil
783 # Replaced "<" in img-reorder's description with "<".
785 # Modified msn filter to tag ads with classes instead
786 # of ids. There may be more than one ad per page,
787 # but ids are required to be unique.
789 # Revision 1.22 2006/10/04 19:17:14 fabiankeil
790 # Incorportated Frédéric Crozat's ie-exploits
791 # modification to make it less trigger-happy.
793 # Modified blogspot filter to make .post-body
794 # scrollable if necessary.
796 # Revision 1.21 2006/10/02 16:21:14 fabiankeil
797 # Adjusted yahoo filter to hide .yschspns as well.
798 # Added header filters: html-to-xml and xml-to-html.
800 # Revision 1.20 2006/10/01 21:00:22 fabiankeil
801 # New site-specific filters: google, yahoo, msn and blogspot.
803 # Revision 1.19 2006/07/18 14:48:45 david__schmidt
804 # Reorganizing the repository: swapping out what was HEAD (the old 3.1 branch)
805 # with what was really the latest development (the v_3_0_branch branch)
807 # Revision 1.11.2.23 2004/02/17 13:34:01 oes
808 # - Beefed up the protection of the unsolicited-popups
809 # filter against matching in JavaScript string constants.
810 # - Extended the fun filter with a German joke
811 # - Extended the site-specifics filter with a convenience
812 # reeplacement for managing mailing lists at SourceForge
814 # Revision 1.11.2.22 2004/01/30 15:29:29 oes
815 # Updated the copyright note
817 # Revision 1.11.2.21 2004/01/20 15:15:01 oes
818 # Detail enhancement in all-popups
820 # Revision 1.11.2.20 2004/01/06 16:46:14 oes
821 # Fixed a JS syntax problem in jumping-windows
823 # Revision 1.11.2.19 2003/12/17 17:09:25 oes
824 # Added remedy against IE address bar spoofing
826 # Revision 1.11.2.18 2003/12/02 11:25:27 oes
827 # Fixed a line trashed in previous commit
829 # Revision 1.11.2.17 2003/12/01 21:58:46 oes
832 # - unsolicited-popups no longer matches at start or end of quoted
833 # strings, and is now activated earlier and deactivated later in
835 # - replacement images in banners-by-* now without border
836 # - more effective shockwave flash flattening
837 # - Custom annoyance filtering for Yahoo Groups, Monster.com, NY Times.
839 # Revision 1.11.2.16 2003/05/08 09:44:56 oes
840 # Allow extra parameters in blink,marquee tags. Fixes bug #734012
842 # Revision 1.11.2.15 2003/03/30 13:57:08 oes
843 # Making unsolicited-popups safe for use on <html> tags enclosed in JS strings
845 # Revision 1.11.2.14 2003/03/19 13:17:50 oes
846 # - Added filter "site-specifics" to address site specific problems
847 # - Fixed a small problem in the img-reorder filter
849 # Revision 1.11.2.13 2003/03/18 19:28:59 oes
850 # Fixed a minor problem in the img-reorder filter
852 # Revision 1.11.2.12 2003/03/15 14:06:58 oes
853 # - Assorted refinements, optimizations and fixes in the js-annoyances,
854 # img-reorder, banners-by-size, banners-by-link, webbugs, refresh-tags,
855 # html-annoyances, content-cookies and fun filters
856 # - Replaced filter "popups" by choice between two modes:
857 # - "unsolicited-popups" tries to catch only the unsolicited ones
858 # - "all-popups" tries to kill them all (as before)
859 # - New filter "tiny-textforms" Help those tiny or hard-wrap textareas.
860 # - New filter "jumping-windows" that prevents windows from resizing
861 # and moving themselves
862 # - Replaced "nimda" with more general "ie-exploits" filter in which
863 # all filters for exploits shall be collected
865 # Revision 1.11.2.11 2002/11/12 16:14:43 oes
866 # Exchanged js-annoyance filter against status bar rewrites with improved version by Don Libes
868 # Revision 1.11.2.10 2002/11/11 13:39:47 oes
869 # Make refresh-tags filter work even on incorrect refresh tags like found on usatoday.com
871 # Revision 1.11.2.9 2002/11/08 16:39:17 oes
872 # Made img-reorder more cautious. Fixes bug #632715
874 # Revision 1.11.2.8 2002/10/13 21:56:52 hal9
875 # Adding demoronizer filter. This should include all the common abuses. I have
876 # left a few of the rare cases commented out (never found these in the wild).
878 # Revision 1.11.2.7 2002/09/25 15:09:39 oes
879 # Preserve original quoting style in <img> tags wherever possible. Fixes Bug #605956
881 # Revision 1.11.2.6 2002/08/23 14:12:26 oes
882 # Proofed frameset-borders against "fremaborder=0 border=0"
884 # Revision 1.11.2.5 2002/08/22 15:05:20 oes
885 # Added Filter to make Quicktime movies saveable (thanks to aaron@linville.org for the idea)
887 # Revision 1.11.2.4 2002/08/10 11:32:29 oes
888 # Attribute values in replacement tags of banners-by-size filter now undelimited. (Fixes bug #592493)
890 # Revision 1.11.2.3 2002/08/05 11:43:56 oes
891 # Fixed a bug in the popups filter that was introduced with the last fix :-(
893 # Revision 1.11.2.2 2002/08/01 11:20:13 oes
894 # Fixed bugs 587802, 577802 and an unreported one
896 # Revision 1.11.2.1 2002/07/26 15:18:26 oes
897 # - All filters reviewed and many shorcomings fixed
898 # - New filters: img-reorder, banners-by-link and js-events
899 # - Jobs reorderd because they are now executed in order of
902 # Revision 1.11 2002/05/24 00:57:18 oes
903 # Made WeBugs job ungreedy; Fixes bug 559190
905 # Revision 1.10 2002/04/18 10:14:19 oes
906 # renamed some filters
908 # Revision 1.9 2002/04/11 07:36:35 oes
909 # Generalized js-popup filter
911 # Revision 1.8 2002/04/10 17:07:21 oes
912 # Fixed potentially desctructive jobs, added noflash filter
914 # Revision 1.7 2002/04/09 18:34:51 oes
915 # Fixed HTML syntax in replacements
917 # Revision 1.6 2002/04/03 19:49:52 swa
920 # Revision 1.5 2002/03/27 15:30:26 swa
921 # have a consistent appearance
923 # Revision 1.4 2002/03/26 22:29:54 swa
924 # we have a new homepage!
926 # Revision 1.3 2002/03/24 16:08:03 jongfoster
927 # Fixing banners-by-size for new config URLs
929 # Revision 1.2 2002/03/24 13:02:18 swa
930 # name change related issues.
932 # Revision 1.1 2002/03/24 11:37:39 jongfoster
935 # Revision 1.24 2002/03/16 20:39:54 oes
936 # - Added descriptions to the filters so users will know what they select in the cgi editor
937 # - Added content-cookies filter
938 # - Bugfixed many jobs (Thanks to Al for some hints)
940 # Revision 1.22 2002/03/12 13:42:50 oes
941 # Fixing & Optimizing REs
943 # Revision 1.21 2002/03/12 11:59:20 oes
944 # Beefed up Buzzword Bingo
946 # Revision 1.20 2002/03/12 01:42:50 oes
947 # Introduced modular filters
949 # Revision 1.19 2002/03/10 19:49:24 oes
950 # Added expression to kill referer tracking in JavaScripts
952 # Revision 1.18 2002/03/08 17:14:12 oes
953 # PNG -> image in comments
955 # Revision 1.17 2002/03/07 03:50:54 oes
956 # Adapted comments to new built-in images
958 # Revision 1.16 2002/02/21 00:12:19 jongfoster
959 # Modifying the banner regexps to use long URLS and to autodetect
960 # whether to show a logo or a transparent GIF, based on actionsfile
963 # Revision 1.15 2001/12/28 23:54:20 steudten
964 # Fix for feature Req #495374: http-equiv problem
966 # Revision 1.14 2001/12/09 18:55:11 david__schmidt
967 # Updated CODE_STATUS to beta, commented out microsuck line in re_filterfile
970 # Revision 1.13 2001/10/13 13:11:20 joergs
971 # Fixed WebBug filter.
973 # Revision 1.12 2001/10/07 15:46:42 oes
974 # Followed Guy's proposal to change the document.cookie job
976 # Revision 1.11 2001/09/21 12:34:00 joergs
977 # Added filter to replace "Nimda" code by a warning.
979 # Revision 1.10 2001/07/20 11:04:26 oes
980 # Added Rodneys javascript cookie filter
982 # Revision 1.9 2001/07/13 14:03:48 oes
983 # Elimiated yet another bug in the banner-by-size jobs. Shame on me!
985 # Revision 1.8 2001/06/29 13:34:00 oes
986 # - Added explanation for U and T options
987 # - Added hint on image replacement by CGI call
988 # - Fixed bug in banner-by-size jobs
990 # Revision 1.7 2001/06/19 14:21:56 oes
991 # Fixed microsuck line
993 # Revision 1.6 2001/06/09 14:01:57 swa
994 # header. cosmetics. default: no messing ala microsuck.