Rule \.(css|js)$ %{REQUEST_URI}.gz [L]

    # Prevent mod_deflate double gzip
	RewriteRule \.gz$ - [E=no-gzip:1]

	<FilesMatch "\.gz$">

        # Serve correct content types
        <IfModule mod_mime.c>
            # (1)
            RemoveType gz

            # Serve correct content types
            AddType text/css              css.gz
            AddType text/javascript       js.gz

            # Serve correct content charset
            AddCharset utf-8 .css.gz \
                             .js.gz
		</IfModule>

        # Force proxies to cache gzipped and non-gzipped files separately
        Header append Vary Accept-Encoding
	</FilesMatch>

    # Serve correct encoding type
    AddEncoding gzip .gz
</IfModule>

HTACCESS;

	return apply_filters( 'rocket_htaccess_compressed_assets', $rules );
}

/**
 * Get list of CSS files to be excluded from async CSS.
 *
 * @since 3.6.2 deprecated
 * @since 2.10
 * @author Remy Perona
 *
 * @return array An array of URLs for the CSS files to be excluded.
 */
function get_rocket_exclude_async_css() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
	_deprecated_function( __FUNCTION__ . '()', '3.6.2', '\WP_Rocket\Engine\CriticalPath\CriticalCSS::get_exclude_async_css()' );
	/**
	 * Filter list of async CSS files
	 *
	 * @since 2.10
	 * @author Remy Perona
	 *
	 * @param array $exclude_async_css An array of URLs for the CSS files to be excluded.
	 */
	$exclude_async_css = (array) apply_filters( 'rocket_exclude_async_css', [] );
	$exclude_async_css = array_filter( $exclude_async_css );
	$exclude_async_css = array_flip( array_flip( $exclude_async_css ) );

	return $exclude_async_css;
}

/**
 * Changes the text on the Varnish one-click block.
 *
 * @deprecated 3.6.1
 * @since 3.0
 *
 * @param array $settings Field settings data.
 *
 * @return array modified field settings data.
 */
function rocket_wpengine_varnish_field( $settings ) {
	_deprecated_function( __FUNCTION__ . '()', '3.6.1', '\WP_Rocket\ThirdParty\Hostings\WPEngine::varnish_addon_title' );
	$settings['varnish_auto_purge']['title'] = sprintf(
	// Translators: %s = Hosting name.
		__( 'Your site is hosted on %s, we have enabled Varnish auto-purge for compatibility.', 'rocket' ),
		'WP Engine'
	);

	return $settings;
}

/**
 * Conflict with WP Engine caching system.
 *
 * @deprecated 3.6.1
 * @since 2.6.4
 *
 */
function rocket_stop_generate_caching_files_on_wpengine() {
	_deprecated_function( __FUNCTION__ . '()', '3.6.1' );
	add_filter( 'do_rocket_generate_caching_files', '__return_false' );
}

/**
 * Run WP Rocket preload bot after purged the Varnish cache via WP Engine Hosting.
 *
 * @deprecated 3.6.1
 * @since 2.6.4
 */
function rocket_run_rocket_bot_after_wpengine() {
	_deprecated_function( __FUNCTION__ . '()', '3.6.1', '\WP_Rocket\ThirdParty\Hostings\WPEngine::run_rocket_bot_after_wpengine' );
	if ( wpe_param( 'purge-all' ) && defined( 'PWP_NAME' ) && check_admin_referer( PWP_NAME . '-config' ) ) {
		// Preload cache.
		run_rocket_bot();
		run_rocket_sitemap_preload();
	}
}

/**
 * Call the cache server to purge the cache with WP Engine hosting.
 *
 * @deprecated 3.6.1
 * @since 2.6.4
 */
function rocket_clean_wpengine() {
	_deprecated_function( __FUNCTION__ . '()', '3.6.1', '\WP_Rocket\ThirdParty\Hostings\WPEngine::clean_wpengine' );
	if ( method_exists( 'WpeCommon', 'purge_memcached' ) ) {
		WpeCommon::purge_memcached();
	}

	if ( method_exists( 'WpeCommon', 'purge_varnish_cache' ) ) {
		WpeCommon::purge_varnish_cache();
	}
}

/**
 * Gets WP Engine CDN Domain.
 *
 * @deprecated 3.6.1
 * @since 2.8.6
 *
 * return string $cdn_domain the WP Engine CDN Domain.
 */
function rocket_get_wp_engine_cdn_domain() {
	_deprecated_function( __FUNCTION__ . '()', '3.6.1' );
	global $wpe_netdna_domains, $wpe_netdna_domains_secure;

	$cdn_domain = '';
	$is_ssl     = '';

	if ( isset( $_SERVER['HTTPS'] ) ) {
		$is_ssl = sanitize_text_field( wp_unslash( $_SERVER['HTTPS'] ) );
	}

	if ( preg_match( '/^[oO][fF]{2}$/', $is_ssl ) ) {
		$is_ssl = false;  // have seen this!
	}

	$native_schema = $is_ssl ? 'https' : 'http';

	$domains = $wpe_netdna_domains;
	// Determine the CDN, if any.
	if ( $is_ssl ) {
		$domains = $wpe_netdna_domains_secure;
	}

	$wpengine   = WpeCommon::instance();
	$cdn_domain = $wpengine->get_cdn_domain( $domains, home_url(), $is_ssl );

	if ( ! empty( $cdn_domain ) ) {
		$cdn_domain = $native_schema . '://' . $cdn_domain;
	}

	return $cdn_domain;
}

/**
 * Add WP Rocket footprint on Buffer.
 *
 * @deprecated 3.6.1
 * @since 3.3.2
 *
 * @param string $buffer HTML content.
 *
 * @return string HTML with WP Rocket footprint.
 */
function rocket_wpengine_add_footprint( $buffer ) {
	_deprecated_function( __FUNCTION__ . '()', '3.6.1', '\WP_Rocket\ThirdParty\Hostings\WPEngine::add_footprint' );
	if ( ! preg_match( '/<\/html>/i', $buffer ) ) {
		return $buffer;
	}

	$footprint  = defined( 'WP_ROCKET_WHITE_LABEL_FOOTPRINT' )
		? "\n" . '<!-- Optimized for great performance'
		: "\n" . '<!-- This website is like a Rocket, isn\'t it? Performance optimized by ' . WP_ROCKET_PLUGIN_NAME . '. Learn more: https://wp-rocket.me';
	$footprint .= ' -->';

	return $buffer . $footprint;
}

/**
 * Tell WP what to do when plugin is deactivated.
 *
 * @since 3.6.3 deprecated
 * @since 1.0
 */
function rocket_deactivation() {
	_deprecated_function( __FUNCTION__ . '()', '3.6.3', '\WP_Rocket\Engine\Deactivation\Deactivation::deactivate_plugin' );
	global $is_apache;

	$filesystem = rocket_direct_filesystem();
	$wp_cache   = new WPCache( $filesystem );

	if ( ! isset( $_GET['rocket_nonce'] ) || ! wp_verify_nonce( sanitize_key( $_GET['rocket_nonce'] ), 'force_deactivation' ) ) {
		$causes = [];

		// .htaccess problem.
		if ( $is_apache && ! $filesystem->is_writable( get_home_path() . '.htaccess' ) ) {
			$causes[] = 'htaccess';
		}

		// wp-config problem.
		if (
			! $wp_cache->find_wpconfig_path()
			&&
			// This filter is documented in inc/Engine/Cache/WPCache.php.
			(bool) apply_filters( 'rocket_set_wp_cache_constant', true )
		) {
			$causes[] = 'wpconfig';
		}

		if ( count( $causes ) ) {
			set_transient( get_current_user_id() . '_donotdeactivaterocket', $causes );
			wp_safe_redirect( wp_get_referer() );
			die();
		}
	}

	// Delete config files.
	rocket_delete_config_file();

	if ( ! count( glob( WP_ROCKET_CONFIG_PATH . '*.php' ) ) ) {
		// Delete All WP Rocket rules of the .htaccess file.
		flush_rocket_htaccess( true );

		// Remove WP_CACHE constant in wp-config.php.
		$wp_cache->set_wp_cache_constant( false );

		// Delete content of advanced-cache.php.
		rocket_put_content( WP_CONTENT_DIR . '/advanced-cache.php', '' );
	}

	// Update customer key & licence.
	wp_remote_get(
		WP_ROCKET_WEB_API . 'pause-licence.php',
		[
			'blocking' => false,
		]
	);

	// Delete transients.
	delete_transient( 'rocket_check_licence_30' );
	delete_transient( 'rocket_check_licence_1' );
	delete_site_transient( 'update_wprocket_response' );

	// Unschedule WP Cron events.
	wp_clear_scheduled_hook( 'rocket_facebook_tracking_cache_update' );
	wp_clear_scheduled_hook( 'rocket_google_tracking_cache_update' );
	wp_clear_scheduled_hook( 'rocket_cache_dir_size_check' );

	/**
	 * WP Rocket deactivation.
	 *
	 * @since  3.1.5
	 * @author Grégory Viguier
	 */
	do_action( 'rocket_deactivation' );

	( new Capabilities_Subscriber() )->remove_rocket_capabilities();
}

/**
 * Tell WP what to do when plugin is activated.
 *
 * @since 3.6.3
 * @since 1.1.0
 */
function rocket_activation() {
	_deprecated_function( __FUNCTION__ . '()', '3.6.3', '\WP_Rocket\Engine\Activation\Activation::deactivate_plugin' );
	( new Capabilities_Subscriber() )->add_rocket_capabilities();

	$filesystem = rocket_direct_filesystem();
	$wp_cache   = new WPCache( $filesystem );

	// Last constants.
	define( 'WP_ROCKET_PLUGIN_NAME', 'WP Rocket' );
	define( 'WP_ROCKET_PLUGIN_SLUG', sanitize_key( WP_ROCKET_PLUGIN_NAME ) );

	if ( defined( 'SUNRISE' ) && SUNRISE === 'on' && function_exists( 'domain_mapping_siteurl' ) ) {
		require WP_ROCKET_INC_PATH . 'domain-mapping.php';
	}

	require WP_ROCKET_FUNCTIONS_PATH . 'options.php';
	require WP_ROCKET_FUNCTIONS_PATH . 'formatting.php';
	require WP_ROCKET_FUNCTIONS_PATH . 'i18n.php';
	require WP_ROCKET_FUNCTIONS_PATH . 'htaccess.php';

	if ( rocket_valid_key() ) {
		// Add All WP Rocket rules of the .htaccess file.
		flush_rocket_htaccess();

		// Add WP_CACHE constant in wp-config.php.
		$wp_cache->set_wp_cache_constant( true );
	}

	// Create the cache folders (wp-rocket & min).
	rocket_init_cache_dir();

	// Create the config folder (wp-rocket-config).
	rocket_init_config_dir();

	// Create advanced-cache.php file.
	rocket_generate_advanced_cache_file( new AdvancedCache( WP_ROCKET_PATH . 'views/cache/', $filesystem ) );

	/**
	 * WP Rocket activation.
	 *
	 * @since  3.1.5
	 * @author Grégory Viguier
	 */
	do_action( 'rocket_activation' );

	// Update customer key & licence.
	wp_remote_get(
		WP_ROCKET_WEB_API . 'activate-licence.php',
		[
			'blocking' => false,
		]
	);

	wp_remote_get(
		home_url(),
		[
			'timeout'    => 0.01,
			'blocking'   => false,
			'user-agent' => 'WP Rocket/Homepage Preload',
			'sslverify'  => apply_filters( 'https_local_ssl_verify', false ), // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
		]
	);
}

/**
 * Excludes Divi's Salvatorre script from JS minification
 *
 * Exclude it to prevent an error after minification/concatenation
 *
 * @since 3.6.3 deprecated
 * @since 2.9
 * @author Remy Perona
 *
 * @param Array $excluded_js An array of JS paths to be excluded.
 * @return Array the updated array of paths
 */
function rocket_exclude_js_divi( $excluded_js ) {
	_deprecated_function( __FUNCTION__ . '()', '3.6.3', '\WP_Rocket\ThirdParty\Themes\Divi::exclude_js' );
	if ( defined( 'ET_BUILDER_URI' ) ) {
		$excluded_js[] = str_replace( home_url(), '', ET_BUILDER_URI ) . '/scripts/salvattore.min.js';
	}

	return $excluded_js;
}

/**
 * Changes the text on the Varnish one-click block.
 *
 * @since 3.1
 *
 * @param array $settings Field settings data.
 *
 * @return array modified field settings data.
 */
function rocket_o2switch_varnish_field( $settings ) {
	_deprecated_function( __FUNCTION__ . '()', '3.6.3', '\WP_Rocket\ThirdParty\Hostings\O2Switch::varnish_addon_title' );
	// Translators: %s = Hosting name.
	$settings['varnish_auto_purge']['title'] = sprintf( __( 'Your site is hosted on %s, we have enabled Varnish auto-purge for compatibility.', 'rocket' ), 'o2switch' );

	return $settings;
}

/**
 * Purge all the domain.
 *
 * @since 3.1
 *
 * @param string $root The path of home cache file.
 * @param string $lang The current lang to purge.
 * @param string $url  The home url.
 */
function rocket_o2switch_varnish_clean_domain( $root, $lang, $url ) {
	_deprecated_function( __FUNCTION__ . '()', '3.6.3', '\WP_Rocket\ThirdParty\Hostings\O2Switch::varnish_clean_domain' );
	rocket_o2switch_varnish_http_purge( trailingslashit( $url ) . '?vregex' );
}

/**
 * Purge a specific page.
 *
 * @since 3.1
 *
 * @param string $url The url to purge.
 */
function rocket_o2switch_varnish_clean_file( $url ) {
	_deprecated_function( __FUNCTION__ . '()', '3.6.3', '\WP_Rocket\ThirdParty\Hostings\O2Switch::varnish_clean_file' );
	rocket_o2switch_varnish_http_purge( trailingslashit( $url ) . '?vregex' );
}

/**
 * Purge the homepage and its pagination.
 *
 * @since 3.1
 *
 * @param string $root The path of home cache file.
 * @param string $lang The current lang to purge.
 */
function rocket_o2switch_varnish_clean_home( $root, $lang ) {
	_deprecated_function( __FUNCTION__ . '()', '3.6.3', '\WP_Rocket\ThirdParty\Hostings\O2Switch::varnish_clean_home' );
	$home_url            = trailingslashit( get_rocket_i18n_home_url( $lang ) );
	$home_pagination_url = $home_url . trailingslashit( $GLOBALS['wp_rewrite']->pagination_base ) . '?vregex';

	rocket_o2switch_varnish_http_purge( $home_url );
	rocket_o2switch_varnish_http_purge( $home_pagination_url );
}

/**
 * Send data to Varnish.
 *
 * @since 3.1
 *
 * @param  string $url The URL to purge.
 */
function rocket_o2switch_varnish_http_purge( $url ) {
	_deprecated_function( __FUNCTION__ . '()', '3.6.3', '\WP_Rocket\ThirdParty\Hostings\O2Switch::varnish_http_purge' );
	$parse_url = get_rocket_parse_url( $url );

	// This filter is documented in inc/functions/varnish.php.
	$headers = apply_filters(
		'rocket_varnish_purge_headers',
		[
			/**
			 * Filters the host value passed in the request headers
			 *
			 * @since 2.8.15
			 * @param string The host
			 */
			'host'           => apply_filters( 'rocket_varnish_purge_request_host', $parse_url['host'] ),
			'X-VC-Purge-Key' => O2SWITCH_VARNISH_PURGE_KEY,
		]
	);

	if ( 'vregex' === $parse_url['query'] ) {
		$headers['X-Purge-Regex'] = '.*';
	}

	/**
	 * Filter the Varnish IP to call
	 *
	 * @since 2.6.8
	 *
	 * @param string The Varnish IP
	 */
	$varnish_ip = apply_filters( 'rocket_varnish_ip', [] );

	if ( defined( 'WP_ROCKET_VARNISH_IP' ) && ! $varnish_ip ) {
		$varnish_ip = WP_ROCKET_VARNISH_IP;
	}

	/**
	 * Filter the HTTP protocol (scheme)
	 *
	 * @since 2.7.3
	 *
	 * @param string The HTTP protocol
	 */
	$scheme = apply_filters( 'rocket_varnish_http_purge_scheme', $parse_url['scheme'] );

	$parse_url['host'] = ( $varnish_ip ) ? $varnish_ip : $parse_url['host'];
	$purgeme           = $scheme . '://' . $parse_url['host'] . $parse_url['path'];

	wp_remote_request(
		$purgeme,
		[
			'method'      => 'PURGE',
			'blocking'    => false,
			'redirection' => 0,
			'headers'     => $headers,
		]
	);
}

/**
 * Remove expiration on HTML to prevent issue with Varnish cache.
 *
 * @since 3.1
 *
 * @param  string $rules htaccess rules.
 *
 * @return string        Updated htaccess rules.
 */
function rocket_o2switch_remove_html_expire( $rules ) {
	_deprecated_function( __FUNCTION__ . '()', '3.6.3', '\WP_Rocket\ThirdParty\Hostings\O2Switch::remove_html_expire' );
	$rules = preg_replace( '@\s*#\s*Your document html@', '', $rules );
	$rules = preg_replace( '@\s*ExpiresByType text/html\s*"access plus \d+ (seconds|minutes|hour|week|month|year)"@', '', $rules );

	return $rules;
}