ikiwiki/t/htmlize.t

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#!/usr/bin/perl
use warnings;
use strict;
use Test::More tests => 32;
use Encode;
BEGIN { use_ok("IkiWiki"); }
# Initialize htmlscrubber plugin
%config=IkiWiki::defaultconfig();
$config{srcdir}=$config{destdir}="/dev/null";
IkiWiki::loadplugins();
IkiWiki::checkconfig();
is(IkiWiki::htmlize("foo", "foo", "mdwn", "foo\n\nbar\n"), "<p>foo</p>\n\n<p>bar</p>\n",
"basic");
is(IkiWiki::htmlize("foo", "foo", "mdwn", readfile("t/test1.mdwn")),
Encode::decode_utf8(qq{<p><img src="../images/o.jpg" alt="o" title="&oacute;" />\nóóóóó</p>\n}),
"utf8; bug #373203");
ok(IkiWiki::htmlize("foo", "foo", "mdwn", readfile("t/test2.mdwn")),
"this file crashes markdown if it's fed in as decoded utf-8");
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sub gotcha {
my $html=IkiWiki::htmlize("foo", "foo", "mdwn", shift);
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return $html =~ /GOTCHA/;
}
ok(!gotcha(q{<a href="javascript:alert('GOTCHA')">click me</a>}),
"javascript url");
ok(!gotcha(q{<a href="javascript&#x3A;alert('GOTCHA')">click me</a>}),
"partially encoded javascript url");
ok(!gotcha(q{<a href="jscript:alert('GOTCHA')">click me</a>}),
"jscript url");
ok(!gotcha(q{<a href="vbscript:alert('GOTCHA')">click me</a>}),
"vbscrpt url");
ok(!gotcha(q{<a href="java script:alert('GOTCHA')">click me</a>}),
"java-tab-script url");
ok(!gotcha(q{<span style="&#x61;&#x6e;&#x79;&#x3a;&#x20;&#x65;&#x78;&#x70;&#x72;&#x65;&#x73;&#x73;&#x69;&#x6f;(GOTCHA)&#x6e;&#x28;&#x77;&#x69;&#x6e;&#x64;&#x6f;&#x77;&#x2e;&#x6c;&#x6f;&#x63;&#x61;&#x74;&#x69;&#x6f;&#x6e;&#x3d;&#x27;&#x68;&#x74;&#x74;&#x70;&#x3a;&#x2f;&#x2f;&#x65;&#x78;&#x61;&#x6d;&#x70;&#x6c;&#x65;&#x2e;&#x6f;&#x72;&#x67;&#x2f;&#x27;&#x29;">foo</span>}),
"entity-encoded CSS script test");
ok(!gotcha(q{<span style="&#97;&#110;&#121;&#58;&#32;&#101;&#120;&#112;&#114;&#101;&#115;&#115;&#105;&#111;&#110;(GOTCHA)&#40;&#119;&#105;&#110;&#100;&#111;&#119;&#46;&#108;&#111;&#99;&#97;&#116;&#105;&#111;&#110;&#61;&#39;&#104;&#116;&#116;&#112;&#58;&#47;&#47;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#111;&#114;&#103;&#47;&#39;&#41;">foo</span>}),
"another entity-encoded CSS script test");
ok(!gotcha(q{<script>GOTCHA</script>}),
"script tag");
ok(!gotcha(q{<form action="javascript:alert('GOTCHA')">foo</form>}),
"form action with javascript");
ok(!gotcha(q{<video poster="javascript:alert('GOTCHA')" href="foo.avi">foo</video>}),
"video poster with javascript");
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ok(!gotcha(q{<span style="background: url(javascript:window.location=GOTCHA)">a</span>}),
"CSS script test");
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ok(! gotcha(q{<img src="data:text/javascript;GOTCHA">}),
"data:text/javascript (jeez!)");
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ok(gotcha(q{<img src="data:image/png;base64,GOTCHA">}), "data:image/png");
ok(gotcha(q{<img src="data:image/gif;base64,GOTCHA">}), "data:image/gif");
ok(gotcha(q{<img src="data:image/jpeg;base64,GOTCHA">}), "data:image/jpeg");
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ok(gotcha(q{<p>javascript:alert('GOTCHA')</p>}),
"not javascript AFAIK (but perhaps some web browser would like to
be perverse and assume it is?)");
ok(gotcha(q{<img src="javascript.png?GOTCHA">}), "not javascript");
ok(gotcha(q{<a href="javascript.png?GOTCHA">foo</a>}), "not javascript");
is(IkiWiki::htmlize("foo", "foo", "mdwn",
q{<img alt="foo" src="foo.gif">}),
q{<img alt="foo" src="foo.gif">}, "img with alt tag allowed");
is(IkiWiki::htmlize("foo", "foo", "mdwn",
q{<a href="http://google.com/">}),
q{<a href="http://google.com/">}, "absolute url allowed");
is(IkiWiki::htmlize("foo", "foo", "mdwn",
q{<a href="foo.html">}),
q{<a href="foo.html">}, "relative url allowed");
is(IkiWiki::htmlize("foo", "foo", "mdwn",
q{<span class="foo">bar</span>}),
q{<span class="foo">bar</span>}, "class attribute allowed");
is(IkiWiki::htmlize("foo", "foo", "mdwn",
q{<a href="aaa#foo">}),
q{<a href="aaa#foo">}, "simple anchor allowed");
is(IkiWiki::htmlize("foo", "foo", "mdwn",
q{<a href="aaa#foo:bar">}),
q{<a href="aaa#foo:bar">}, "colon allowed in anchor");
is(IkiWiki::htmlize("foo", "foo", "mdwn",
q{<a href="aaa?foo:bar">}),
q{<a href="aaa?foo:bar">}, "colon allowed in query string");
is(IkiWiki::htmlize("foo", "foo", "mdwn",
q{<a href="foo:bar">}),
q{<a>}, "unknown protocol blocked");
is(IkiWiki::htmlize("foo", "foo", "mdwn",
q{<a href="#foo">}),
q{<a href="#foo">}, "simple relative anchor allowed");
is(IkiWiki::htmlize("foo", "foo", "mdwn",
q{<a href="#foo:bar">}),
q{<a href="#foo:bar">}, "colon in simple relative anchor allowed");