get_boolean( 'config.check' ) || $force_all_checks ) {
$extensions_active = $config->get_array( 'extensions.active' );
if ( array_key_exists( 'imageservice', $extensions_active ) ) {
$this->rules_add( $config, $exs );
} else {
$this->rules_remove( $exs );
}
}
if ( count( $exs->exceptions() ) > 0 ) {
throw $exs;
}
}
/**
* Fixes environment once event occurs.
*
* @since 2.2.0
*
* @param Config $config Config object.
* @param mixed $event Event.
* @param Config $old_config Old config object.
*/
public function fix_on_event( $config, $event, $old_config = null ) {
}
/**
* Fixes environment after plugin deactivation
*
* @since 2.2.0
*
* @throws Util_Environment_Exceptions Exceptions.
*/
public function fix_after_deactivation() {
$exs = new Util_Environment_Exceptions();
$this->rules_remove( $exs );
if ( count( $exs->exceptions() ) > 0 ) {
throw $exs;
}
}
/**
* Returns required rules for module.
*
* @since 2.2.0
*
* @param Config $config Configuration object.
* @return array
*/
public function get_required_rules( $config ) {
return array(
array(
'filename' => Util_Rule::get_browsercache_rules_cache_path(),
'content' => $this->rules_generate(),
),
);
}
/**
* Write rewrite rules.
*
* @since 2.2.0
*
* @param Config $config Configuration.
* @param Util_Environment_Exceptions $exs Exceptions.
*
* @throws Util_WpFile_FilesystemOperationException S/FTP form if it can't get the required filesystem credentials.
*/
private function rules_add( $config, $exs ) {
Util_Rule::add_rules(
$exs,
Util_Rule::get_browsercache_rules_cache_path(),
$this->rules_generate(),
W3TC_MARKER_BEGIN_WEBP,
W3TC_MARKER_END_WEBP,
array(
W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE => 0,
W3TC_MARKER_BEGIN_WORDPRESS => 0,
)
);
}
/**
* Generate rewrite rules.
*
* @since 2.2.0
*
* @see Dispatcher::nginx_rules_for_browsercache_section()
*
* @return string
*/
private function rules_generate() {
switch ( true ) {
case Util_Environment::is_apache():
case Util_Environment::is_litespeed():
return '
# BEGIN W3TC WEBP
RewriteEngine On
RewriteCond %{HTTP_ACCEPT} image/webp
RewriteCond %{REQUEST_FILENAME} (.+)\.(jpe?g|png|gif)$
RewriteCond %1\.webp -f
RewriteCond %{QUERY_STRING} !type=original
RewriteRule (.+)\.(jpe?g|png|gif)$ $1.webp [NC,T=image/webp,E=webp,L]
Header append Vary Accept
AddType image/webp .webp
# END W3TC WEBP
';
case Util_Environment::is_nginx():
$config = Dispatcher::config();
/*
* Add Nginx rules only if Browser Cache is disabled.
* Otherwise, the rules are added in "BrowserCache_Environment_Nginx.php".
* @see BrowserCache_Environment_Nginx::generate_section()
*/
if ( ! $config->get_boolean( 'browsercache.enabled' ) ) {
if ( $config->get_boolean( 'browsercache.no404wp' ) ) {
$fallback = '=404';
} else {
$fallback = '/index.php?$args';
}
return '
# BEGIN W3TC WEBP
location ~* ^(?.+)\.(jpe?g|png|gif)$ {
if ( $http_accept !~* "webp|\*/\*" ) {
break;
}
' . implode( "\n ", Dispatcher::nginx_rules_for_browsercache_section( $config, 'other' ) ) . '
add_header Vary Accept;
try_files ${path}.webp $uri ' . $fallback . ';
}
# END W3TC WEBP
';
} else {
return '';
}
default:
return '';
}
}
/**
* Removes cache directives
*
* @since 2.2.0
*
* @param Util_Environment_Exceptions $exs Exceptions.
*
* @throws Util_WpFile_FilesystemOperationException S/FTP form if it can't get the required filesystem credentials.
*/
private function rules_remove( $exs ) {
Util_Rule::remove_rules(
$exs,
Util_Rule::get_pgcache_rules_core_path(),
W3TC_MARKER_BEGIN_WEBP,
W3TC_MARKER_END_WEBP
);
}
}