| Current File : /home/escuelai/www/wp-content/plugins/w3-total-cache/BrowserCache_Environment_LiteSpeed.php |
<?php
/**
* File: BrowserCache_Environment_LiteSpeed.php
*
* @package W3TC
*/
namespace W3TC;
/**
* Class BrowserCache_Environment_LiteSpeed
*
* phpcs:disable Squiz.Strings.DoubleQuoteUsage.NotRequired
*
* Rules generation for OpenLiteSpeed
*
* phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter
*/
class BrowserCache_Environment_LiteSpeed {
/**
* Config
*
* @var Config
*/
private $c;
/**
* Constructor
*
* @param Config $config Config.
*
* @return void
*/
public function __construct( $config ) {
$this->c = $config;
}
/**
* Get required rules
*
* @param array $mime_types Mime types.
*
* @return string
*/
public function get_required_rules( $mime_types ) {
$rewrite_rules = array();
$rewrite_rules[] = array(
'filename' => Util_Rule::get_litespeed_rules_path(),
'content' => $this->generate( $mime_types ),
);
if ( $this->c->get_boolean( 'browsercache.rewrite' ) || $this->c->get_boolean( 'browsercache.no404wp' ) ) {
$g = new BrowserCache_Environment_Apache( $this->c );
$rewrite_rules[] = array(
'filename' => Util_Rule::get_apache_rules_path(),
'content' =>
W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE . "\n" .
$g->rules_rewrite() .
$g->rules_no404wp( $mime_types ) .
W3TC_MARKER_END_BROWSERCACHE_CACHE . "\n",
);
}
return $rewrite_rules;
}
/**
* Generate cache rules
*
* @param array $mime_types Mime types.
* @param bool $cdnftp CDN FTP flag.
*
* @return array
*/
public function generate( $mime_types, $cdnftp = false ) {
$cssjs_types = $mime_types['cssjs'];
$cssjs_types = array_unique( $cssjs_types );
$html_types = $mime_types['html'];
$other_types = $mime_types['other'];
$other_compression_types = $mime_types['other_compression'];
$rules = '';
$rules .= W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE . "\n";
$this->generate_section( $rules, $mime_types['cssjs'], 'cssjs' );
$this->generate_section( $rules, $mime_types['html'], 'html' );
$this->generate_section( $rules, $mime_types['other'], 'other' );
if ( $this->c->get_boolean( 'browsercache.rewrite' ) ) {
$core = Dispatcher::component( 'BrowserCache_Core' );
$extensions = $core->get_replace_extensions( $this->c );
$rules .= "<IfModule mod_rewrite.c>\n";
$rules .= " RewriteCond %{REQUEST_FILENAME} !-f\n";
$rules .= ' RewriteRule ^(.+)\.(x[0-9]{5})\.(' . implode( '|', $extensions ) . ')$ $1.$3 [L]' . "\n";
$rules .= "</IfModule>\n";
}
$rules .= W3TC_MARKER_END_BROWSERCACHE_CACHE . "\n";
return $rules;
}
/**
* Adds cache rules for type to &$rules.
*
* @param string $rules Rules.
* @param array $mime_types MIME types.
* @param string $section Section.
*
* @return void
*/
private function generate_section( &$rules, $mime_types, $section ) {
$expires = $this->c->get_boolean( 'browsercache.' . $section . '.expires' );
$cache_control = $this->c->get_boolean( 'browsercache.' . $section . '.cache.control' );
$w3tc = $this->c->get_boolean( 'browsercache.' . $section . '.w3tc' );
$last_modified = $this->c->get_boolean( 'browsercache.' . $section . '.last_modified' );
if ( $expires || $cache_control || $w3tc || ! $last_modified ) {
$mime_types2 = apply_filters(
'w3tc_browsercache_rules_section_extensions',
$mime_types,
$this->c,
$section
);
$extensions = array_keys( $mime_types2 );
// Remove ext from filesmatch if its the same as permalink extension.
$pext = strtolower( pathinfo( get_option( 'permalink_structure' ), PATHINFO_EXTENSION ) );
if ( $pext ) {
$extensions = Util_Rule::remove_extension_from_list( $extensions, $pext );
}
$extensions_string = implode( '|', $extensions );
$section_rules = self::section_rules( $section );
$section_rules = apply_filters( 'w3tc_browsercache_rules_section', $section_rules, $this->c, $section );
$context_rules = $section_rules['other'];
if ( ! empty( $section_rules['add_header'] ) ) {
$context_rules[] = " extraHeaders <<<END_extraHeaders";
foreach ( $section_rules['add_header'] as $line ) {
$context_rules[] = ' ' . $line;
}
$context_rules[] = " END_extraHeaders";
}
if ( $section_rules['rewrite'] ) {
$context_rules[] = ' rewrite {';
$context_rules[] = ' RewriteFile .htaccess';
$context_rules[] = ' }';
}
$rules .= "context exp:^.*($extensions_string)\$ {\n";
$rules .= " location \$DOC_ROOT/\$0\n";
$rules .= " allowBrowse 1\n";
$rules .= implode( "\n", $context_rules ) . "\n";
$rules .= "}\n";
}
}
/**
* Returns directives plugin applies to files of specific section * Without location
*
* @param string $section Section.
*
* @return array
*/
public function section_rules( $section ) {
$rules = array();
$expires = $this->c->get_boolean( "browsercache.$section.expires" );
$lifetime = $this->c->get_integer( "browsercache.$section.lifetime" );
if ( $expires ) {
$rules[] = ' enableExpires 1';
$rules[] = " expiresDefault A$lifetime";
$rules[] = " ExpiresByType */*=A$lifetime";
} else {
$rules[] = ' enableExpires 0';
}
/*
Lastmod support not implemented
if ( $this->c->get_boolean( "browsercache.$section.last_modified" ) )
*/
$add_header_rules = array();
if ( $this->c->get_boolean( "browsercache.$section.cache.control" ) ) {
$cache_policy = $this->c->get_string( "browsercache.$section.cache.policy" );
switch ( $cache_policy ) {
case 'cache':
$add_header_rules[] = 'unset Pragma';
$add_header_rules[] = 'set Pragma public';
$add_header_rules[] = 'set Cache-Control public';
break;
case 'cache_public_maxage':
$add_header_rules[] = 'unset Pragma';
$add_header_rules[] = 'set Pragma public';
break;
case 'cache_validation':
$add_header_rules[] = 'unset Pragma';
$add_header_rules[] = 'set Pragma public';
$add_header_rules[] = 'unset Cache-Control';
$add_header_rules[] = 'set Cache-Control "public, must-revalidate, proxy-revalidate"';
break;
case 'cache_noproxy':
$add_header_rules[] = 'unset Pragma';
$add_header_rules[] = 'set Pragma public';
$add_header_rules[] = 'unset Cache-Control';
$add_header_rules[] = 'set Cache-Control "private, must-revalidate"';
break;
case 'cache_maxage':
$add_header_rules[] = 'unset Pragma';
$add_header_rules[] = 'set Pragma "public"';
$add_header_rules[] = 'unset Cache-Control';
if ( $expires ) {
$add_header_rules[] = 'set Cache-Control "public, must-revalidate, proxy-revalidate"';
} else {
$add_header_rules[] = "set Cache-Control \"max-age=$lifetime, public, must-revalidate, proxy-revalidate\"";
}
break;
case 'no_cache':
$add_header_rules[] = 'unset Pragma';
$add_header_rules[] = 'set Pragma "no-cache"';
$add_header_rules[] = 'unset Cache-Control';
$add_header_rules[] = 'set Cache-Control "private, no-cache"';
break;
case 'no_store':
$add_header_rules[] = 'unset Pragma';
$add_header_rules[] = 'set Pragma "no-store"';
$add_header_rules[] = 'unset Cache-Control';
$add_header_rules[] = 'set Cache-Control "no-store"';
break;
case 'cache_immutable':
$add_header_rules[] = 'unset Pragma';
$add_header_rules[] = 'set Pragma public';
$add_header_rules[] = 'unset Cache-Control';
$add_header_rules[] = "set Cache-Control \"public, max-age=$lifetime, immutable\"";
break;
case 'cache_immutable_nomaxage':
$add_header_rules[] = 'unset Pragma';
$add_header_rules[] = 'set Pragma public';
$add_header_rules[] = 'unset Cache-Control';
$add_header_rules[] = 'set Cache-Control "public, immutable"';
break;
}
}
// Need htaccess for rewrites.
$rewrite = $this->c->get_boolean( 'browsercache.rewrite' );
return array(
'add_header' => $add_header_rules,
'other' => $rules,
'rewrite' => $rewrite,
);
}
/**
* Returns CDN rules section
*
* @param array $section_rules Section rules.
*
* @return array
*/
public function w3tc_cdn_rules_section( $section_rules ) {
$section_rules_bc = $this->section_rules( 'other' );
$section_rules['other'] = array_merge( $section_rules['other'], $section_rules_bc['other'] );
$section_rules['add_header'] = array_merge( $section_rules['add_header'], $section_rules_bc['add_header'] );
return $section_rules;
}
}