+
+sub gotcha {
+ my $html=IkiWiki::htmlize("foo", "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: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="any: expressio(GOTCHA)n(window.location='http://example.org/')">foo</span>}),
+ "entity-encoded CSS script test");
+ok(!gotcha(q{<span style="any: expression(GOTCHA)(window.location='http://example.org/')">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: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");
+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");