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CSS: added "initial" and "inherit" to width + height (#144)

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* CSS: added "initial" and "inherit" to width + height
CSS: added "initial" and "inherit" to min-width + min-height, removed "auto"
CSS: added "initial" and "inherit" and "none" to max-width + max-height, removed "auto"

* Fixed test: min-width:auto; should be false
This commit is contained in:
Michael Kliewe 2019-07-14 19:20:58 +02:00 committed by Edward Z. Yang
parent 8c153eef3a
commit 7cfc44654a
2 changed files with 50 additions and 6 deletions
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52
library/HTMLPurifier/CSSDefinition.php
View File

@ -220,15 +220,25 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
array(
new HTMLPurifier_AttrDef_CSS_Length('0'),
new HTMLPurifier_AttrDef_CSS_Percentage(true),
new HTMLPurifier_AttrDef_Enum(array('auto'))
new HTMLPurifier_AttrDef_Enum(array('auto', 'initial', 'inherit'))
)
);
$trusted_min_wh = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_CSS_Length('0'),
new HTMLPurifier_AttrDef_CSS_Percentage(true),
new HTMLPurifier_AttrDef_Enum(array('initial', 'inherit'))
)
);
$trusted_max_wh = new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_CSS_Length('0'),
new HTMLPurifier_AttrDef_CSS_Percentage(true),
new HTMLPurifier_AttrDef_Enum(array('none', 'initial', 'inherit'))
)
);
$max = $config->get('CSS.MaxImgLength');
$this->info['min-width'] =
$this->info['max-width'] =
$this->info['min-height'] =
$this->info['max-height'] =
$this->info['width'] =
$this->info['height'] =
$max === null ?
@ -245,6 +255,38 @@ class HTMLPurifier_CSSDefinition extends HTMLPurifier_Definition
// For everyone else:
$trusted_wh
);
$this->info['min-width'] =
$this->info['min-height'] =
$max === null ?
$trusted_min_wh :
new HTMLPurifier_AttrDef_Switch(
'img',
// For img tags:
new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_CSS_Length('0', $max),
new HTMLPurifier_AttrDef_Enum(array('initial', 'inherit'))
)
),
// For everyone else:
$trusted_min_wh
);
$this->info['max-width'] =
$this->info['max-height'] =
$max === null ?
$trusted_max_wh :
new HTMLPurifier_AttrDef_Switch(
'img',
// For img tags:
new HTMLPurifier_AttrDef_CSS_Composite(
array(
new HTMLPurifier_AttrDef_CSS_Length('0', $max),
new HTMLPurifier_AttrDef_Enum(array('none', 'initial', 'inherit'))
)
),
// For everyone else:
$trusted_max_wh
);
$this->info['text-decoration'] = new HTMLPurifier_AttrDef_CSS_TextDecoration();

4
tests/HTMLPurifier/AttrDef/CSSTest.php
View File

@ -64,7 +64,9 @@ class HTMLPurifier_AttrDef_CSSTest extends HTMLPurifier_AttrDefHarness
$this->assertDef('width:-50px;', false);
$this->assertDef('min-width:50%;');
$this->assertDef('min-width:50px;');
$this->assertDef('min-width:auto;');
$this->assertDef('min-width:auto;', false);
$this->assertDef('min-width:initial;');
$this->assertDef('min-width:inherit;');
$this->assertDef('min-width:-50px;', false);
$this->assertDef('min-width:50ch;');
$this->assertDef('min-width:50rem;');