Current File : /home/bqrcodec/contact.fpt.auto/wp-content/plugins/code-snippets-pro/php//class-active-snippets.php
<?php
namespace Code_Snippets;
use MatthiasMullie\Minify;
/**
* Class for loading active snippets of various types.
*
* @package Code_Snippets
*/
class Active_Snippets {
/**
* List of content snippets.
*
* @var array
*/
private $content_snippets = [];
/**
* Class constructor.
*/
public function __construct() {
add_action( 'init', array( $this, 'init' ) );
}
/**
* Initialise class functions.
*/
public function init() {
$db = code_snippets()->db;
$this->content_snippets = $db->fetch_active_snippets( [ 'head-content', 'footer-content' ] );
add_action( 'wp_head', [ $this, 'load_head_content' ] );
add_action( 'wp_footer', [ $this, 'load_footer_content' ] );
if ( code_snippets()->licensing->was_licensed() ) {
// respond to a request to print out the active CSS snippets.
if ( isset( $_GET['code-snippets-css'] ) ) {
$this->print_code( 'css' );
exit;
}
// respond to a request to print the active JavaScript snippets.
if ( isset( $_GET['code-snippets-js-snippets'] ) && ! is_admin() ) {
$this->print_code( 'js' );
exit;
}
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_js' ), 15 );
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_css' ), 15 );
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_css' ), 15 );
}
}
/**
* Increment the asset revision for a specified scope
*
* @param string $scope Name of snippet scope.
* @param bool $network Whether to increase for the whole network or the current site.
*/
public function increment_rev( $scope, $network ) {
if ( $network && ! is_multisite() ) {
return;
}
$revisions = Settings\get_self_option( $network, 'code_snippets_assets_rev', array() );
if ( 'all' === $scope ) {
foreach ( $revisions as $i => $v ) {
$revisions[ $i ]++;
}
} else {
if ( ! isset( $revisions[ $scope ] ) ) {
$revisions[ $scope ] = 0;
}
$revisions[ $scope ]++;
}
Settings\update_self_option( $network, 'code_snippets_assets_rev', $revisions );
}
/**
* Retrieve the current asset revision number
*
* @param string $scope Name of snippet scope.
*
* @return int Current asset revision number.
*/
public function get_rev( $scope ) {
$rev = 0;
$revisions = get_option( 'code_snippets_assets_rev' );
if ( isset( $revisions[ $scope ] ) ) {
$rev += intval( $revisions[ $scope ] );
}
if ( is_multisite() ) {
$revisions = get_site_option( 'code_snippets_assets_rev' );
if ( isset( $revisions[ $scope ] ) ) {
$rev += intval( $revisions[ $scope ] );
}
}
return $rev;
}
/**
* Retrieve the URL to a generated scope asset.
*
* @param string $scope Name of the scope to retrieve the asset for.
* @param bool $latest_rev Whether to ensure that the URL is to the latest revision of the asset.
*
* @return string URL to asset.
*/
public function get_asset_url( $scope, $latest_rev = false ) {
$base = 'admin-css' === $scope ? self_admin_url( '/' ) : home_url( '/' );
if ( '-css' === substr( $scope, -4 ) ) {
$url = add_query_arg( 'code-snippets-css', 1, $base );
} elseif ( '-js' === substr( $scope, -3 ) ) {
$key = 'site-head-js' === $scope ? 'head' : 'footer';
$url = add_query_arg( 'code-snippets-js-snippets', $key, $base );
} else {
return '';
}
if ( $latest_rev ) {
$rev = $this->get_rev( $scope );
$url = $rev ? add_query_arg( 'ver', $rev, $url ) : $url;
}
return $url;
}
/**
* Enqueue the active style snippets for the current page
*/
public function enqueue_css() {
$scope = is_admin() ? 'admin' : 'site';
$rev = $this->get_rev( "$scope-css" );
if ( ! $rev ) {
return;
}
$url = $this->get_asset_url( "$scope-css" );
wp_enqueue_style( "code-snippets-{$scope}-styles", $url, array(), $rev );
}
/**
* Enqueue the active javascript snippets for the current page
*/
public function enqueue_js() {
$head_rev = $this->get_rev( 'site-head-js' );
$footer_rev = $this->get_rev( 'site-footer-js' );
if ( $head_rev ) {
wp_enqueue_script(
'code-snippets-site-head',
$this->get_asset_url( 'site-head-js' ),
array(),
$head_rev,
false
);
}
if ( $footer_rev ) {
wp_enqueue_script(
'code-snippets-site-footer',
$this->get_asset_url( 'site-footer-js' ),
array(),
$footer_rev,
true
);
}
}
/**
* Set the necessary headers to mark this page as an asset
*
* @param string $mime_type File MIME type used to set Content-Type header.
*/
private static function do_asset_headers( $mime_type ) {
$expiry = 365 * 24 * 60 * 60; // year in seconds.
header( 'Content-Type: ' . $mime_type, true, 200 );
header( sprintf( 'Expires: %s GMT', gmdate( 'D, d M Y H:i:s', time() + $expiry ) ) );
}
/**
* Fetch and print the active snippets for a given type and the current scope.
*
* @param string $type Must be either 'css' or 'js'.
*/
private function print_code( $type ) {
if ( 'js' !== $type && 'css' !== $type ) {
return;
}
if ( 'css' === $type ) {
$this->do_asset_headers( 'text/css' );
$current_scope = is_admin() ? 'admin-css' : 'site-css';
} else {
$this->do_asset_headers( 'text/javascript' );
$current_scope = isset( $_GET['code-snippets-js-snippets'] ) && 'footer' === $_GET['code-snippets-js-snippets'] ? 'footer' : 'head';
$current_scope = "site-$current_scope-js";
}
$active_snippets = code_snippets()->db->fetch_active_snippets( $current_scope, 'code' );
// Concatenate all fetched code together into a single string.
$code = '';
foreach ( $active_snippets as $snippets ) {
// phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped
$code .= implode( "\n\n", array_column( $snippets, 'code' ) );
}
// Minify the prepared code if the setting has been set.
$setting = Settings\get_setting( 'general', 'minify_output' );
if ( is_array( $setting ) && in_array( $type, $setting, true ) ) {
$minifier = 'css' === $type ? new Minify\CSS( $code ) : new Minify\JS( $code );
$code = $minifier->minify();
}
// Output the code and exit.
echo $code;
exit;
}
/**
* Print snippet code fetched from the database from a certain scope.
*
* @param array $snippets_list List of data fetched.
* @param string $scope Name of scope to print.
*/
private function print_content_snippets( $snippets_list, $scope ) {
foreach ( $snippets_list as $snippets ) {
foreach ( $snippets as $snippet ) {
if ( $scope === $snippet['scope'] ) {
// phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped
echo "\n", $snippet['code'], "\n";
}
}
}
}
/**
* Print head content snippets.
*/
public function load_head_content() {
$this->print_content_snippets( $this->content_snippets, 'head-content' );
}
/**
* Print footer content snippets.
*/
public function load_footer_content() {
$this->print_content_snippets( $this->content_snippets, 'footer-content' );
}
}
