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https://github.com/ezyang/htmlpurifier.git
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d3abcb90e3
The new logic is as follows:
* Given a URL to insert into url(), check that it is properly URL
encoded (in particular, a doublequote and backslash never occurs
within it) and then place it as url("http://example.com").
* Given a font name, if it is strictly alphanumeric, it is safe to omit
quotes. Otherwise, wrap in double quotes and replace '"' with '\22 '
(note trailing space) and '\' with '\5C ' (ditto).
We introduce expandCSSEscape() which is a hack for common parsing
idioms in CSS; this means that CSS escapes are now recognized inside
URLs as well as unquoted font names.
Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
40 lines
1.4 KiB
PHP
40 lines
1.4 KiB
PHP
<?php
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class HTMLPurifier_AttrDef_CSS_FontFamilyTest extends HTMLPurifier_AttrDefHarness
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{
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function test() {
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$this->def = new HTMLPurifier_AttrDef_CSS_FontFamily();
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$this->assertDef('Gill, Helvetica, sans-serif');
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$this->assertDef('"Times New Roman", serif');
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$this->assertDef('\'Times New Roman\'', '"Times New Roman"');
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$this->assertDef('01234');
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$this->assertDef(',', false);
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$this->assertDef('Times New Roman, serif', '"Times New Roman", serif');
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$this->assertDef($d = '"John\'s Font"');
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$this->assertDef("John's Font", $d);
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$this->assertDef($d = "\"\xE5\xAE\x8B\xE4\xBD\x93\"");
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$this->assertDef("\xE5\xAE\x8B\xE4\xBD\x93", $d);
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$this->assertDef("'\\','f'", "\"\\5C \", f");
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$this->assertDef("'\\01'", "\"\"");
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$this->assertDef("'\\20'", "\" \"");
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$this->assertDef("\\0020", "\" \"");
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$this->assertDef("'\\000045'", "E");
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$this->assertDef("','", false);
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$this->assertDef("',' foobar','", "\" foobar\"");
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$this->assertDef("'\\27'", "\"'\"");
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$this->assertDef('"\\22"', "\"\\22 \"");
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$this->assertDef('"\\""', "\"\\22 \"");
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$this->assertDef('"\'"', "\"'\"");
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$this->assertDef("'\\000045a'", "Ea");
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$this->assertDef("'\\00045 a'", "Ea");
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$this->assertDef("'\\00045 a'", "\"E a\"");
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$this->assertDef("'\\\nf'", "f");
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}
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}
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// vim: et sw=4 sts=4
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