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