cherry-pick uri security fix

[git.ikiwiki.info.git] / t / htmlize.t

diff --git a/t/htmlize.t b/t/htmlize.t
index a9ccfedcbb184b9a31165b63d9009f012416cbf5..edf357010a0b551b58f895908cfd1858bc9e5f95 100755 (executable)
--- a/t/htmlize.t
+++ b/t/htmlize.t
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 use warnings;
 use strict;
 #!/usr/bin/perl
 use warnings;
 use strict;

-use Test::More tests => 4;
+use Test::More tests => 26;

 use Encode;
 
 BEGIN { use_ok("IkiWiki"); }
 use Encode;
 
 BEGIN { use_ok("IkiWiki"); }


@@ -19,3 +19,52 @@ is(IkiWiki::htmlize("foo", "mdwn", readfile("t/test1.mdwn")),
        "utf8; bug #373203");
 ok(IkiWiki::htmlize("foo", "mdwn", readfile("t/test2.mdwn")),
        "this file crashes markdown if it's fed in as decoded utf-8");
        "utf8; bug #373203");
 ok(IkiWiki::htmlize("foo", "mdwn", readfile("t/test2.mdwn")),
        "this file crashes markdown if it's fed in as decoded utf-8");

+
+sub gotcha {
+       my $html=IkiWiki::htmlize("foo", "mdwn", shift);
+       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");
+ok(!gotcha(q{<span style="background: url(javascript:window.location=GOTCHA)">a</span>}),
+       "CSS script test");
+ok(! gotcha(q{<img src="data:text/javascript:GOTCHA">}),
+       "data:text/javascript (jeez!)");
+ok(gotcha(q{<img src="data:text/png:GOTCHA">}), "data:text/png");
+ok(gotcha(q{<img src="data:text/gif:GOTCHA">}), "data:text/gif");
+ok(gotcha(q{<img src="data:text/jpeg:GOTCHA">}), "data:text/jpeg");
+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", "mdwn",
+       q{<img alt="foo" src="foo.gif">}),
+       q{<img alt="foo" src="foo.gif">}, "img with alt tag allowed");
+is(IkiWiki::htmlize("foo", "mdwn",
+       q{<a href="http://google.com/">}),
+       q{<a href="http://google.com/">}, "absolute url allowed");
+is(IkiWiki::htmlize("foo", "mdwn",
+       q{<a href="foo.html">}),
+       q{<a href="foo.html">}, "relative url allowed");
+is(IkiWiki::htmlize("foo", "mdwn",
+       q{<span class="foo">bar</span>}),
+       q{<span class="foo">bar</span>}, "class attribute allowed");