63 lines
1.8 KiB
PHP
63 lines
1.8 KiB
PHP
<?php
|
|
declare(strict_types=1);
|
|
|
|
namespace Imagify\Webp\RewriteRules;
|
|
|
|
use Imagify\WriteFile\AbstractIISDirConfFile;
|
|
|
|
/**
|
|
* Add and remove rewrite rules to the web.config file to display WebP images on the site.
|
|
*
|
|
* @since 1.9
|
|
*/
|
|
class IIS extends AbstractIISDirConfFile {
|
|
|
|
/**
|
|
* Name of the tag used as block delemiter.
|
|
*
|
|
* @var string
|
|
* @since 1.9
|
|
*/
|
|
const TAG_NAME = 'Imagify: rewrite rules for webp';
|
|
|
|
/**
|
|
* Get unfiltered new contents to write into the file.
|
|
*
|
|
* @since 1.9
|
|
* @source https://github.com/igrigorik/webp-detect/blob/master/iis.config
|
|
*
|
|
* @return string
|
|
*/
|
|
protected function get_raw_new_contents() {
|
|
$extensions = $this->get_extensions_pattern();
|
|
$extensions = str_replace( '|webp', '', $extensions );
|
|
$home_root = wp_parse_url( home_url( '/' ) );
|
|
$home_root = $home_root['path'];
|
|
|
|
return trim( '
|
|
<!-- @parent /configuration/system.webServer/rewrite/rules -->
|
|
<rule name="' . esc_attr( static::TAG_NAME ) . ' 2">
|
|
<match url="^(' . $home_root . '.+)\.(' . $extensions . ')$" ignoreCase="true" />
|
|
<conditions logicalGrouping="MatchAll">
|
|
<add input="{HTTP_ACCEPT}" pattern="image/webp" ignoreCase="false" />
|
|
<add input="{DOCUMENT_ROOT}/{R:1}{R:2}.webp" matchType="IsFile" />
|
|
</conditions>
|
|
<action type="Rewrite" url="{R:1}{R:2}.webp" logRewrittenUrl="true" />
|
|
<serverVariables>
|
|
<set name="ACCEPTS_WEBP" value="true" />
|
|
</serverVariables>
|
|
</rule>
|
|
|
|
<!-- @parent /configuration/system.webServer/rewrite/outboundRules -->
|
|
<rule preCondition="IsWebp" name="' . esc_attr( static::TAG_NAME ) . ' 3">
|
|
<match serverVariable="RESPONSE_Vary" pattern=".*" />
|
|
<action type="Rewrite" value="Accept"/>
|
|
</rule>
|
|
<preConditions name="' . esc_attr( static::TAG_NAME ) . ' 4">
|
|
<preCondition name="IsWebp">
|
|
<add input="{ACCEPTS_WEBP}" pattern="true" ignoreCase="false" />
|
|
</preCondition>
|
|
</preConditions>' );
|
|
}
|
|
}
|