AlkantarClanX12
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<?php
namespace W3TC;
/**
* class BrowserCache_Environment
*/
class BrowserCache_Environment {
public function __construct() {
add_filter( 'w3tc_cdn_rules_section',
array( $this, 'w3tc_cdn_rules_section' ), 10, 2 );
}
/**
* Fixes environment in each wp-admin request
*
* @param Config $config
* @param bool $force_all_checks
* @throws Util_Environment_Exceptions
*/
public function fix_on_wpadmin_request( $config, $force_all_checks ) {
$exs = new Util_Environment_Exceptions();
if ( $config->get_boolean( 'config.check' ) || $force_all_checks ) {
if ( $config->get_boolean( 'browsercache.enabled' ) ) {
$this->rules_cache_add( $config, $exs );
} else {
$this->rules_cache_remove( $exs );
}
}
if ( count( $exs->exceptions() ) > 0 )
throw $exs;
}
/**
* Fixes environment once event occurs
*
* @throws Util_Environment_Exceptions
*/
public function fix_on_event( $config, $event, $old_config = null ) {
}
/**
* Fixes environment after plugin deactivation
*
* @throws Util_Environment_Exceptions
*/
public function fix_after_deactivation() {
$exs = new Util_Environment_Exceptions();
$this->rules_cache_remove( $exs );
if ( count( $exs->exceptions() ) > 0 )
throw $exs;
}
/**
* Returns required rules for module
*
* @param Config $config
* @return array
*/
public function get_required_rules( $config ) {
if ( ! $config->get_boolean( 'browsercache.enabled' ) ) {
return array();
}
$mime_types = $this->get_mime_types();
switch ( true ) {
case Util_Environment::is_apache():
$generator_apache = new BrowserCache_Environment_Apache( $config );
$rewrite_rules = array(
array(
'filename' => Util_Rule::get_apache_rules_path(),
'content' =>
W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE . "\n" .
$this->rules_cache_generate_apache( $config ) .
$generator_apache->rules_no404wp( $mime_types ) .
W3TC_MARKER_END_BROWSERCACHE_CACHE . "\n"
)
);
break;
case Util_Environment::is_litespeed():
$generator_litespeed = new BrowserCache_Environment_LiteSpeed( $config );
$rewrite_rules = $generator_litespeed->get_required_rules( $mime_types );
break;
case Util_Environment::is_nginx():
$generator_nginx = new BrowserCache_Environment_Nginx( $config );
$rewrite_rules = $generator_nginx->get_required_rules( $mime_types );
break;
default:
$rewrite_rules = array();
}
return $rewrite_rules;
}
/**
* Returns mime types
*
* @return array
*/
public function get_mime_types() {
$a = Util_Mime::sections_to_mime_types_map();
$other_compression = $a['other'];
unset( $other_compression['asf|asx|wax|wmv|wmx'] );
unset( $other_compression['avi'] );
unset( $other_compression['avif'] );
unset( $other_compression['avifs'] );
unset( $other_compression['divx'] );
unset( $other_compression['gif'] );
unset( $other_compression['br'] );
unset( $other_compression['gz|gzip'] );
unset( $other_compression['jpg|jpeg|jpe'] );
unset( $other_compression['mid|midi'] );
unset( $other_compression['mov|qt'] );
unset( $other_compression['mp3|m4a'] );
unset( $other_compression['mp4|m4v'] );
unset( $other_compression['ogv'] );
unset( $other_compression['mpeg|mpg|mpe'] );
unset( $other_compression['png'] );
unset( $other_compression['ra|ram'] );
unset( $other_compression['tar'] );
unset( $other_compression['webp'] );
unset( $other_compression['wma'] );
unset( $other_compression['zip'] );
$a['other_compression'] = $other_compression;
return $a;
}
/**
* Generate rules for FTP upload
*
* @param Config $config
* @return string
*/
public function rules_cache_generate_for_ftp( $config ) {
return $this->rules_cache_generate_apache( $config );
}
/*
* rules cache
*/
/**
* Writes cache rules
*
* @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
*/
private function rules_cache_add( $config, $exs ) {
$rules = $this->get_required_rules( $config );
foreach ( $rules as $i ) {
Util_Rule::add_rules( $exs,
$i['filename'],
$i['content'],
W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE,
W3TC_MARKER_END_BROWSERCACHE_CACHE,
array(
W3TC_MARKER_BEGIN_MINIFY_CORE => 0,
W3TC_MARKER_BEGIN_PGCACHE_CORE => 0,
W3TC_MARKER_BEGIN_WORDPRESS => 0,
W3TC_MARKER_END_PGCACHE_CACHE => strlen( W3TC_MARKER_END_PGCACHE_CACHE ) + 1,
W3TC_MARKER_END_MINIFY_CACHE => strlen( W3TC_MARKER_END_MINIFY_CACHE ) + 1
)
);
}
}
/**
* Removes cache directives
*
* @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
*/
private function rules_cache_remove( $exs ) {
$filenames = array();
switch ( true ) {
case Util_Environment::is_apache():
$filenames[] = Util_Rule::get_apache_rules_path();
break;
case Util_Environment::is_litespeed():
$filenames[] = Util_Rule::get_apache_rules_path();
$filenames[] = Util_Rule::get_litespeed_rules_path();
break;
case Util_Environment::is_nginx():
$filenames[] = Util_Rule::get_nginx_rules_path();
break;
}
foreach ( $filenames as $i ) {
Util_Rule::remove_rules( $exs,
$i,
W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE,
W3TC_MARKER_END_BROWSERCACHE_CACHE );
}
}
/**
* Returns cache rules.
*
* @param Config $config Configuration.
* @return string
*/
private function rules_cache_generate_apache( Config $config ): string {
$mime_types2 = $this->get_mime_types();
$cssjs_types = $mime_types2['cssjs'];
$cssjs_types = array_unique( $cssjs_types );
$html_types = $mime_types2['html'];
$other_types = $mime_types2['other'];
$other_compression_types = $mime_types2['other_compression'];
$cssjs_expires = $config->get_boolean( 'browsercache.cssjs.expires' );
$html_expires = $config->get_boolean( 'browsercache.html.expires' );
$other_expires = $config->get_boolean( 'browsercache.other.expires' );
$cssjs_lifetime = $config->get_integer( 'browsercache.cssjs.lifetime' );
$html_lifetime = $config->get_integer( 'browsercache.html.lifetime' );
$other_lifetime = $config->get_integer( 'browsercache.other.lifetime' );
$compatibility = $config->get_boolean( 'pgcache.compatibility' );
$mime_types = array();
$rules = '';
// For mod_mime and mod_expires.
if ( $cssjs_expires && $cssjs_lifetime ) {
$mime_types = array_merge( $mime_types, $cssjs_types );
}
if ( $html_expires && $html_lifetime ) {
$mime_types = array_merge( $mime_types, $html_types );
}
if ( $other_expires && $other_lifetime ) {
$mime_types = array_merge( $mime_types, $other_types );
}
// Rules for mod_mime.
if ( count( $mime_types ) ) {
$rules_mime = "<IfModule mod_mime.c>\n";
foreach ( $mime_types as $ext => $mime_type ) {
$extensions = explode( '|', $ext );
if ( ! is_array( $mime_type ) ) {
$mime_type = (array) $mime_type;
}
foreach ( $mime_type as $mime_type2 ) {
$rules_mime .= ' AddType ' . $mime_type2;
foreach ( $extensions as $extension ) {
$rules_mime .= ' .' . $extension;
}
$rules_mime .= "\n";
}
}
$rules_mime .= "</IfModule>\n";
// Rules for mod_expires.
$rules_mime .= "<IfModule mod_expires.c>\n";
$rules_mime .= " ExpiresActive On\n";
if ( $cssjs_expires && $cssjs_lifetime ) {
foreach ( $cssjs_types as $mime_type ) {
$rules_mime .= ' ExpiresByType ' . $mime_type . ' A' . $cssjs_lifetime . "\n";
}
}
if ( $html_expires && $html_lifetime ) {
foreach ( $html_types as $mime_type ) {
$rules_mime .= ' ExpiresByType ' . $mime_type . ' A' . $html_lifetime . "\n";
}
}
if ( $other_expires && $other_lifetime ) {
foreach ( $other_types as $mime_type ) {
if ( is_array( $mime_type ) ) {
foreach ( $mime_type as $mime_type2 ) {
$rules_mime .= ' ExpiresByType ' . $mime_type2 . ' A' . $other_lifetime . "\n";
}
} else {
$rules_mime .= ' ExpiresByType ' . $mime_type . ' A' . $other_lifetime . "\n";
}
}
}
$rules_mime .= "</IfModule>\n";
/**
* Filter: w3tc_browsercache_rules_apache_mime
*
* @since 2.8.0
*
* @param string $rules_mime Apache rules for MIME types.
* @return string
*/
$rules .= apply_filters( 'w3tc_browsercache_rules_apache_mime', $rules_mime );
unset( $rules_mime );
}
// For mod_brotli.
$cssjs_brotli = $config->get_boolean( 'browsercache.cssjs.brotli' );
$html_brotli = $config->get_boolean( 'browsercache.html.brotli' );
$other_brotli = $config->get_boolean( 'browsercache.other.brotli' );
if ( $cssjs_brotli || $html_brotli || $other_brotli ) {
$brotli_types = array();
if ( $cssjs_brotli ) {
$brotli_types = array_merge( $brotli_types, $cssjs_types );
}
if ( $html_brotli ) {
$brotli_types = array_merge( $brotli_types, $html_types );
}
if ( $other_brotli ) {
$brotli_types = array_merge( $brotli_types, $other_compression_types );
}
// Rules for mod_brotli.
$rules_brotli = "<IfModule mod_brotli.c>\n";
if ( version_compare( Util_Environment::get_server_version(), '2.3.7', '>=' ) ) {
$rules_brotli .= " <IfModule mod_filter.c>\n";
}
$rules_brotli .= " AddOutputFilterByType BROTLI_COMPRESS " . implode( ' ', $brotli_types ) . "\n";
$rules_brotli .= " <IfModule mod_mime.c>\n";
$rules_brotli .= " # BROTLI_COMPRESS by extension\n";
$rules_brotli .= " AddOutputFilter BROTLI_COMPRESS js css htm html xml\n";
$rules_brotli .= " </IfModule>\n";
if ( version_compare( Util_Environment::get_server_version(), '2.3.7', '>=' ) ) {
$rules_brotli .= " </IfModule>\n";
}
$rules_brotli .= "</IfModule>\n";
/**
* Filter: w3tc_browsercache_rules_apache_brotli
*
* @since 2.8.0
*
* @param string $rules_brotli Apache rules for mod_brotli.
* @return string
*/
$rules .= apply_filters( 'w3tc_browsercache_rules_apache_brotli', $rules_brotli );
unset( $rules_brotli );
}
// For mod_deflate.
$cssjs_compression = $config->get_boolean( 'browsercache.cssjs.compression' );
$html_compression = $config->get_boolean( 'browsercache.html.compression' );
$other_compression = $config->get_boolean( 'browsercache.other.compression' );
if ( $cssjs_compression || $html_compression || $other_compression ) {
$compression_types = array();
if ( $cssjs_compression ) {
$compression_types = array_merge( $compression_types, $cssjs_types );
}
if ( $html_compression ) {
$compression_types = array_merge( $compression_types, $html_types );
}
if ( $other_compression ) {
$compression_types = array_merge( $compression_types, $other_compression_types );
}
// Rules for mod_deflate.
$rules_deflate = "<IfModule mod_deflate.c>\n";
if ( $compatibility ) {
$rules_deflate .= " <IfModule mod_setenvif.c>\n";
$rules_deflate .= " BrowserMatch ^Mozilla/4 gzip-only-text/html\n";
$rules_deflate .= " BrowserMatch ^Mozilla/4\\.0[678] no-gzip\n";
$rules_deflate .= " BrowserMatch \\bMSIE !no-gzip !gzip-only-text/html\n";
$rules_deflate .= " BrowserMatch \\bMSI[E] !no-gzip !gzip-only-text/html\n";
$rules_deflate .= " </IfModule>\n";
}
if ( version_compare( Util_Environment::get_server_version(), '2.3.7', '>=' ) ) {
$rules_deflate .= " <IfModule mod_filter.c>\n";
}
$rules_deflate .= " AddOutputFilterByType DEFLATE " . implode( ' ', $compression_types ) . "\n";
$rules_deflate .= " <IfModule mod_mime.c>\n";
$rules_deflate .= " # DEFLATE by extension\n";
$rules_deflate .= " AddOutputFilter DEFLATE js css htm html xml\n";
$rules_deflate .= " </IfModule>\n";
if ( version_compare( Util_Environment::get_server_version(), '2.3.7', '>=' ) ) {
$rules_deflate .= " </IfModule>\n";
}
$rules_deflate .= "</IfModule>\n";
/**
* Filter: w3tc_browsercache_rules_apache_deflate
*
* @since 2.8.0
*
* @param string $rules_deflate Apache rules for mod_deflate.
* @return string
*/
$rules .= apply_filters( 'w3tc_browsercache_rules_apache_deflate', $rules_deflate );
unset( $rules_deflate );
}
/* Rules for MIME types CSS/JS, HTML, and other. */
/**
* Filter: w3tc_browsercache_rules_apache_cssjs
*
* @since 2.8.0
*
* @param string $this->_rules_cache_generate_apache_for_type( $config, $mime_types2['cssjs'], 'cssjs' ) Apache rules for CSS/JS MIME types.
* @return string
*/
$rules .= apply_filters( 'w3tc_browsercache_rules_apache_cssjs', $this->_rules_cache_generate_apache_for_type( $config, $mime_types2['cssjs'], 'cssjs' ) );
/**
* Filter: w3tc_browsercache_rules_apache_html
*
* @since 2.8.0
*
* @param string $this->_rules_cache_generate_apache_for_type( $config, $mime_types2['html'], 'html' ) Apache rules for HTML MIME types.
* @return string
*/
$rules .= apply_filters( 'w3tc_browsercache_rules_apache_html', $this->_rules_cache_generate_apache_for_type( $config, $mime_types2['html'], 'html' ) );
/**
* Filter: w3tc_browsercache_rules_apache_other
*
* @since 2.8.0
*
* @param string $this->_rules_cache_generate_apache_for_type( $config, $mime_types2['other'], 'other' ) Apache rules for other MIME types.
* @return string
*/
$rules .= apply_filters( 'w3tc_browsercache_rules_apache_other', $this->_rules_cache_generate_apache_for_type( $config, $mime_types2['other'], 'other' ) );
// For mod_headers.
if ( $config->get_boolean( 'browsercache.hsts' ) ||
$config->get_boolean( 'browsercache.security.xfo' ) ||
$config->get_boolean( 'browsercache.security.xss' ) ||
$config->get_boolean( 'browsercache.security.xcto' ) ||
$config->get_boolean( 'browsercache.security.pkp' ) ||
$config->get_boolean( 'browsercache.security.referrer.policy' ) ||
$config->get_boolean( 'browsercache.security.csp' ) ||
$config->get_boolean( 'browsercache.security.cspro' ) ||
$config->get_boolean( 'browsercache.security.fp' )
) {
$lifetime = $config->get_integer( 'browsercache.other.lifetime' );
// Rules for mod_headers.
$rules_headers = "<IfModule mod_headers.c>\n";
if ( $config->get_boolean( 'browsercache.hsts' ) ) {
$dir = $config->get_string( 'browsercache.security.hsts.directive' );
$rules_headers .= ' Header always set Strict-Transport-Security "max-age=' . $lifetime .
( strpos( $dir, 'inc' ) ? '; includeSubDomains' : '' ) . ( strpos( $dir, 'pre' ) ? '; preload' : '' ) . "\"\n";
}
if ( $config->get_boolean( 'browsercache.security.xfo' ) ) {
$dir = $config->get_string( 'browsercache.security.xfo.directive' );
$url = trim( $config->get_string( 'browsercache.security.xfo.allow' ) );
if ( empty( $url ) ) {
$url = Util_Environment::home_url_maybe_https();
}
$rules_headers .= ' Header always append X-Frame-Options "' .
( 'same' === $dir ? 'SAMEORIGIN' : ( 'deny' === $dir ? 'DENY' : 'ALLOW-FROM' . $url ) ) . "\"\n";
}
if ( $config->get_boolean( 'browsercache.security.xss' ) ) {
$dir = $config->get_string( 'browsercache.security.xss.directive' );
$rules_headers .= ' Header set X-XSS-Protection "' . ( 'block' === $dir ? '1; mode=block' : $dir ) . "\"\n";
}
if ( $config->get_boolean( 'browsercache.security.xcto' ) ) {
$rules_headers .= " Header set X-Content-Type-Options \"nosniff\"\n";
}
if ( $config->get_boolean( 'browsercache.security.pkp' ) ) {
$pin = trim( $config->get_string( 'browsercache.security.pkp.pin' ) );
$pinbak = trim( $config->get_string( 'browsercache.security.pkp.pin.backup' ) );
$extra = $config->get_string( 'browsercache.security.pkp.extra' );
$url = trim( $config->get_string( 'browsercache.security.pkp.report.url' ) );
$rep_only = $config->get_string( 'browsercache.security.pkp.report.only' ) == '1' ? true : false;
$rules_headers .= ' Header set ' . ( $rep_only ? 'Public-Key-Pins-Report-Only' : 'Public-Key-Pins' ) .
' "pin-sha256="$pin"; pin-sha256="$pinbak"; max-age=' . $lifetime . ( strpos( $extra, 'inc' ) ? '; includeSubDomains' : '' ) .
( ! empty( $url ) ? '; report-uri="$url"' : '' ) . "\"\n";
}
if ( $config->get_boolean( 'browsercache.security.referrer.policy' ) ) {
$dir = $config->get_string( 'browsercache.security.referrer.policy.directive' );
$rules_headers .= ' Header set Referrer-Policy "' . ( empty( $dir ) ? '' : $dir ) . "\"\n";
}
if ( $config->get_boolean( 'browsercache.security.csp' ) ) {
$base = trim( $config->get_string( 'browsercache.security.csp.base' ) );
$reporturi = trim( $config->get_string( 'browsercache.security.csp.reporturi' ) );
$reportto = trim( $config->get_string( 'browsercache.security.csp.reportto' ) );
$frame = trim( $config->get_string( 'browsercache.security.csp.frame' ) );
$connect = trim( $config->get_string( 'browsercache.security.csp.connect' ) );
$font = trim( $config->get_string( 'browsercache.security.csp.font' ) );
$script = trim( $config->get_string( 'browsercache.security.csp.script' ) );
$style = trim( $config->get_string( 'browsercache.security.csp.style' ) );
$img = trim( $config->get_string( 'browsercache.security.csp.img' ) );
$media = trim( $config->get_string( 'browsercache.security.csp.media' ) );
$object = trim( $config->get_string( 'browsercache.security.csp.object' ) );
$plugin = trim( $config->get_string( 'browsercache.security.csp.plugin' ) );
$form = trim( $config->get_string( 'browsercache.security.csp.form' ) );
$frame_ancestors = trim( $config->get_string( 'browsercache.security.csp.frame.ancestors' ) );
$sandbox = trim( $config->get_string( 'browsercache.security.csp.sandbox' ) );
$child = trim( $config->get_string( 'browsercache.security.csp.child' ) );
$manifest = trim( $config->get_string( 'browsercache.security.csp.manifest' ) );
$scriptelem = trim( $config->get_string( 'browsercache.security.csp.scriptelem' ) );
$scriptattr = trim( $config->get_string( 'browsercache.security.csp.scriptattr' ) );
$styleelem = trim( $config->get_string( 'browsercache.security.csp.styleelem' ) );
$scriptelem = trim( $config->get_string( 'browsercache.security.csp.styleattr' ) );
$worker = trim( $config->get_string( 'browsercache.security.csp.worker' ) );
$default = trim( $config->get_string( 'browsercache.security.csp.default' ) );
$dir = rtrim(
( ! empty( $base ) ? "base-uri $base; " : '' ) .
( ! empty( $reporturi ) ? "report-uri $reporturi; " : '' ) .
( ! empty( $reportto ) ? "report-to $reportto; " : '' ) .
( ! empty( $frame ) ? "frame-src $frame; " : '' ) .
( ! empty( $connect ) ? "connect-src $connect; " : '' ) .
( ! empty( $font ) ? "font-src $font; " : '' ) .
( ! empty( $script ) ? "script-src $script; " : '' ) .
( ! empty( $style ) ? "style-src $style; " : '' ) .
( ! empty( $img ) ? "img-src $img; " : '' ) .
( ! empty( $media ) ? "media-src $media; " : '' ) .
( ! empty( $object ) ? "object-src $object; " : '' ) .
( ! empty( $plugin ) ? "plugin-types $plugin; " : '' ) .
( ! empty( $form ) ? "form-action $form; " : '' ) .
( ! empty( $frame_ancestors ) ? "frame-ancestors $frame_ancestors; " : '' ) .
( ! empty( $sandbox ) ? "sandbox $sandbox; " : '' ) .
( ! empty( $child ) ? "child-src $child; " : '' ) .
( ! empty( $manifest ) ? "manifest-src $manifest; " : '' ) .
( ! empty( $scriptelem ) ? "script-src-elem $scriptelem; " : '' ) .
( ! empty( $scriptattr ) ? "script-src-attr $scriptattr; " : '' ) .
( ! empty( $styleelem ) ? "style-src-elem $styleelem; " : '' ) .
( ! empty( $styleattr ) ? "style-src-attr $styleattr; " : '' ) .
( ! empty( $worker ) ? "worker-src $worker; " : '' ) .
( ! empty( $default ) ? "default-src $default;" : '' ),
'; '
);
if ( ! empty( $dir ) ) {
$rules_headers .= ' Header set Content-Security-Policy "' . $dir . "\"\n";
}
}
if ( $config->get_boolean( 'browsercache.security.cspro' ) && ( ! empty( $config->get_string( 'browsercache.security.cspro.reporturi' ) ) || ! empty( $config->get_string( 'browsercache.security.cspro.reportto' ) ) ) ) {
$base = trim( $config->get_string( 'browsercache.security.cspro.base' ) );
$reporturi = trim( $config->get_string( 'browsercache.security.cspro.reporturi' ) );
$reportto = trim( $config->get_string( 'browsercache.security.cspro.reportto' ) );
$frame = trim( $config->get_string( 'browsercache.security.cspro.frame' ) );
$connect = trim( $config->get_string( 'browsercache.security.cspro.connect' ) );
$font = trim( $config->get_string( 'browsercache.security.cspro.font' ) );
$script = trim( $config->get_string( 'browsercache.security.cspro.script' ) );
$style = trim( $config->get_string( 'browsercache.security.cspro.style' ) );
$img = trim( $config->get_string( 'browsercache.security.cspro.img' ) );
$media = trim( $config->get_string( 'browsercache.security.cspro.media' ) );
$object = trim( $config->get_string( 'browsercache.security.cspro.object' ) );
$plugin = trim( $config->get_string( 'browsercache.security.cspro.plugin' ) );
$form = trim( $config->get_string( 'browsercache.security.cspro.form' ) );
$frame_ancestors = trim( $config->get_string( 'browsercache.security.cspro.frame.ancestors' ) );
$sandbox = trim( $config->get_string( 'browsercache.security.cspro.sandbox' ) );
$child = trim( $config->get_string( 'browsercache.security.cspro.child' ) );
$manifest = trim( $config->get_string( 'browsercache.security.cspro.manifest' ) );
$scriptelem = trim( $config->get_string( 'browsercache.security.cspro.scriptelem' ) );
$scriptattr = trim( $config->get_string( 'browsercache.security.cspro.scriptattr' ) );
$styleelem = trim( $config->get_string( 'browsercache.security.cspro.styleelem' ) );
$scriptelem = trim( $config->get_string( 'browsercache.security.cspro.styleattr' ) );
$worker = trim( $config->get_string( 'browsercache.security.cspro.worker' ) );
$default = trim( $config->get_string( 'browsercache.security.cspro.default' ) );
$dir = rtrim(
( ! empty( $base ) ? "base-uri $base; " : '' ) .
( ! empty( $reporturi ) ? "report-uri $reporturi; " : '' ) .
( ! empty( $reportto ) ? "report-to $reportto; " : '' ) .
( ! empty( $frame ) ? "frame-src $frame; " : '' ) .
( ! empty( $connect ) ? "connect-src $connect; " : '' ) .
( ! empty( $font ) ? "font-src $font; " : '' ) .
( ! empty( $script ) ? "script-src $script; " : '' ) .
( ! empty( $style ) ? "style-src $style; " : '' ) .
( ! empty( $img ) ? "img-src $img; " : '' ) .
( ! empty( $media ) ? "media-src $media; " : '' ) .
( ! empty( $object ) ? "object-src $object; " : '' ) .
( ! empty( $plugin ) ? "plugin-types $plugin; " : '' ) .
( ! empty( $form ) ? "form-action $form; " : '' ) .
( ! empty( $frame_ancestors ) ? "frame-ancestors $frame_ancestors; " : '' ) .
( ! empty( $sandbox ) ? "sandbox $sandbox; " : '' ) .
( ! empty( $child ) ? "child-src $child; " : '' ) .
( ! empty( $manifest ) ? "manifest-src $manifest; " : '' ) .
( ! empty( $scriptelem ) ? "script-src-elem $scriptelem; " : '' ) .
( ! empty( $scriptattr ) ? "script-src-attr $scriptattr; " : '' ) .
( ! empty( $styleelem ) ? "style-src-elem $styleelem; " : '' ) .
( ! empty( $styleattr ) ? "style-src-attr $styleattr; " : '' ) .
( ! empty( $worker ) ? "worker-src $worker; " : '' ) .
( ! empty( $default ) ? "default-src $default;" : '' ),
'; '
);
if ( ! empty( $dir ) ) {
$rules_headers .= ' Header set Content-Security-Policy-Report-Only "' . $dir . "\"\n";
}
}
if ( $config->get_boolean( 'browsercache.security.fp' ) ) {
$fp_values = $config->get_array( 'browsercache.security.fp.values' );
$feature_v = array();
$permission_v = array();
foreach ( $fp_values as $key => $value ) {
if ( ! empty( $value ) ) {
$value = str_replace( array( '"', "'" ), '', $value );
$feature_v[] = "$key '$value'";
$permission_v[] = "$key=($value)";
}
}
if ( ! empty( $feature_v ) ) {
$rules_headers .= ' Header set Feature-Policy "' . implode( ';', $feature_v ) . "\"\n";
}
if ( ! empty( $permission_v ) ) {
$rules_headers .= ' Header set Permissions-Policy "' . implode( ',', $permission_v ) . "\"\n";
}
}
$rules_headers .= "</IfModule>\n";
/**
* Filter: w3tc_browsercache_rules_apache_headers
*
* @since 2.8.0
*
* @param string $rules_mime Apache rules for mod_headers.
* @return string
*/
$rules .= apply_filters( 'w3tc_browsercache_rules_apache_headers', $rules_headers );
unset( $rules_headers );
}
$g = new BrowserCache_Environment_Apache( $config );
/**
* Filter: w3tc_browsercache_rules_apache_rewrite
*
* @since 2.8.0
*
* @param string $rules_mime Apache rules for mod_rewrite.
* @return string
*/
$rules .= apply_filters( 'w3tc_browsercache_rules_apache_rewrite', $g->rules_rewrite() );
return apply_filters( 'w3tc_browsercache_rules_apache', $rules );
}
/**
* Writes cache rules
*
* @param Config $config
* @param array $mime_types
* @param string $section
* @return string
*/
private function _rules_cache_generate_apache_for_type( $config, $mime_types, $section ) {
$is_disc_enhanced = $config->get_boolean( 'pgcache.enabled' ) &&
$config->get_string( 'pgcache.engine' ) == 'file_generic';
$cache_control = $config->get_boolean( 'browsercache.' . $section . '.cache.control' );
$etag = $config->get_boolean( 'browsercache.' . $section . '.etag' );
$w3tc = $config->get_boolean( 'browsercache.' . $section . '.w3tc' );
$unset_setcookie = $config->get_boolean( 'browsercache.' . $section . '.nocookies' );
$set_last_modified = $config->get_boolean( 'browsercache.' . $section . '.last_modified' );
$compatibility = $config->get_boolean( 'pgcache.compatibility' );
$mime_types2 = apply_filters( 'w3tc_browsercache_rules_section_extensions',
$mime_types, $config, $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_lowercase = array_map( 'strtolower', $extensions );
$extensions_uppercase = array_map( 'strtoupper', $extensions );
$rules = '';
$headers_rules = '';
if ( $cache_control ) {
$cache_policy = $config->get_string( 'browsercache.' . $section . '.cache.policy' );
switch ( $cache_policy ) {
case 'cache':
$headers_rules .= " Header set Pragma \"public\"\n";
$headers_rules .= " Header set Cache-Control \"public\"\n";
break;
case 'cache_public_maxage':
$expires = $config->get_boolean( 'browsercache.' . $section . '.expires' );
$lifetime = $config->get_integer( 'browsercache.' . $section . '.lifetime' );
$headers_rules .= " Header set Pragma \"public\"\n";
if ( $expires )
$headers_rules .= " Header append Cache-Control \"public\"\n";
else
$headers_rules .= " Header set Cache-Control \"max-age=" . $lifetime . ", public\"\n";
break;
case 'cache_validation':
$headers_rules .= " Header set Pragma \"public\"\n";
$headers_rules .= " Header set Cache-Control \"public, must-revalidate, proxy-revalidate\"\n";
break;
case 'cache_noproxy':
$headers_rules .= " Header set Pragma \"public\"\n";
$headers_rules .= " Header set Cache-Control \"private, must-revalidate\"\n";
break;
case 'cache_maxage':
$expires = $config->get_boolean( 'browsercache.' . $section . '.expires' );
$lifetime = $config->get_integer( 'browsercache.' . $section . '.lifetime' );
$headers_rules .= " Header set Pragma \"public\"\n";
if ( $expires )
$headers_rules .= " Header append Cache-Control \"public, must-revalidate, proxy-revalidate\"\n";
else
$headers_rules .= " Header set Cache-Control \"max-age=" . $lifetime . ", public, must-revalidate, proxy-revalidate\"\n";
break;
case 'no_cache':
$headers_rules .= " Header set Pragma \"no-cache\"\n";
$headers_rules .= " Header set Cache-Control \"private, no-cache\"\n";
break;
case 'no_store':
$headers_rules .= " Header set Pragma \"no-store\"\n";
$headers_rules .= " Header set Cache-Control \"no-store\"\n";
break;
}
}
if ( $etag ) {
$rules .= " FileETag MTime Size\n";
} else {
if ( $compatibility ) {
$rules .= " FileETag None\n";
$headers_rules .= " Header unset ETag\n";
}
}
if ( $unset_setcookie )
$headers_rules .= " Header unset Set-Cookie\n";
if ( !$set_last_modified )
$headers_rules .= " Header unset Last-Modified\n";
if ( $w3tc )
$headers_rules .= " Header set X-Powered-By \"" .
Util_Environment::w3tc_header() . "\"\n";
if ( strlen( $headers_rules ) > 0 ) {
$rules .= " <IfModule mod_headers.c>\n";
$rules .= $headers_rules;
$rules .= " </IfModule>\n";
}
if ( strlen( $rules ) > 0 ) {
$rules = "<FilesMatch \"\\.(" . implode( '|',
array_merge( $extensions_lowercase, $extensions_uppercase ) ) .
")$\">\n" . $rules;
$rules .= "</FilesMatch>\n";
}
return $rules;
}
/*
* rules_no404wp
*/
public function w3tc_cdn_rules_section( $section_rules, $config ) {
if ( Util_Environment::is_litespeed() ) {
$o = new BrowserCache_Environment_LiteSpeed( $config );
$section_rules = $o->w3tc_cdn_rules_section( $section_rules );
}
return $section_rules;
}
}