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[3.1.1] Implement more robust imagecrash protection for CSS width/height.

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- Change API for HTMLPurifier_AttrDef_CSS_Length
- Implement HTMLPurifier_AttrDef_Switch class
- Implement HTMLPurifier_Length->compareTo, and make make() accept object instances

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1754 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2008-05-21 01:56:48 +00:00
parent c3fab7200e
commit 1a95852007
15 changed files with 208 additions and 27 deletions
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39
tests/HTMLPurifier/Strategy/ValidateAttributesTest.php
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@@ -177,9 +177,44 @@ class HTMLPurifier_Strategy_ValidateAttributesTest extends
);
}
function testRemoveCSSWidthAndHeightOnImg() {
function testKeepAbsoluteCSSWidthAndHeightOnImg() {
$this->assertResult(
'<img src="" alt="" style="width:10px;height:10px;border:1px solid #000;" />',
'<img src="" alt="" style="width:10px;height:10px;border:1px solid #000;" />'
);
}
function testRemoveLargeCSSWidthAndHeightOnImg() {
$this->assertResult(
'<img src="" alt="" style="width:10000000px;height:10000000px;border:1px solid #000;" />',
'<img src="" alt="" style="border:1px solid #000;" />'
);
}
function testRemoveLargeCSSWidthAndHeightOnImgWithUserConf() {
$this->config->set('CSS', 'MaxImgLength', '1px');
$this->assertResult(
'<img src="" alt="" style="width:1mm;height:1mm;border:1px solid #000;" />',
'<img src="" alt="" style="border:1px solid #000;" />'
);
}
function testKeepLargeCSSWidthAndHeightOnImgWhenToldTo() {
$this->config->set('CSS', 'MaxImgLength', null);
$this->assertResult(
'<img src="" alt="" style="width:10000000px;height:10000000px;border:1px solid #000;" />'
);
}
function testRemoveRelativeCSSWidthAndHeightOnImg() {
$this->assertResult(
'<img src="" alt="" style="width:10em;height:10em;border:1px solid #000;" />',
'<img src="" alt="" style="border:1px solid #000;" />'
);
}
function testRemovePercentCSSWidthAndHeightOnImg() {
$this->assertResult(
'<img src="" alt="" style="width:100%;height:100%;border:1px solid #000;" />',
'<img src="" alt="" style="border:1px solid #000;" />'
);
}