Your IP : 216.73.216.122
<?php
/**
* Asset optimization scanner.
*
* @package Hummingbird\Core\Modules\Minify
*/
namespace Hummingbird\Core\Modules\Minify;
use WP_Http_Cookie;
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class Scanner
*/
class Scanner {
/**
* Indicates if a scan is in process
*
* @var bool
*/
private $is_scanning = false;
/**
* Indicates if files scan has finished
*
* @var bool
*/
private $is_scanned = false;
/**
* Indicates the current step being scanned
*
* @var int
*/
private $current_step = 0;
/**
* Options names
*/
const IS_SCANNING_SLUG = 'wphb-minification-files-scanning';
const IS_SCANNED_SLUG = 'wphb-minification-files-scanned';
const CURRENT_STEP = 'wphb-minification-scan-step';
const MINIFICATION_NOTICE = 'wphb-notice-minification-optimized-show';
const HTTP2_NOTICE = 'wphb-notice-http2-info-show';
const CLEAR_CACHE_NOTICE = 'wphb-notice-cache-cleaned-show';
/**
* Refresh status variables
*/
public function refresh_status() {
$this->is_scanning = get_transient( self::IS_SCANNING_SLUG );
$this->is_scanned = get_option( self::IS_SCANNED_SLUG );
$this->current_step = (int) get_option( self::CURRENT_STEP );
}
/**
* Initializes the scan
*/
public function init_scan() {
set_transient( self::IS_SCANNING_SLUG, true, 60 * 4 ); // 4 minutes max
delete_option( self::IS_SCANNED_SLUG );
update_option( self::CURRENT_STEP, 0 );
// Reset notice status.
update_option( self::MINIFICATION_NOTICE, 'yes' );
update_option( self::HTTP2_NOTICE, 'yes' );
$this->refresh_status();
}
/**
* Mark the scan as finished
*/
public function finish_scan() {
if ( get_transient( self::IS_SCANNING_SLUG ) ) {
do_action( 'wphb_process_fonts' );
}
delete_transient( self::IS_SCANNING_SLUG );
update_option( self::IS_SCANNED_SLUG, true );
delete_option( self::CURRENT_STEP );
$this->refresh_status();
}
/**
* Reset the scan as if it weren't being executed
*/
public function reset_scan() {
delete_transient( self::IS_SCANNING_SLUG );
delete_option( self::IS_SCANNED_SLUG );
delete_option( self::CURRENT_STEP );
delete_option( self::CLEAR_CACHE_NOTICE );
$this->refresh_status();
}
/**
* Update the current step being scanned
*
* @param int $step Current scan step.
*/
public function update_current_step( $step ) {
$step = absint( $step );
update_option( self::CURRENT_STEP, $step );
$this->refresh_status();
}
/**
* Get the current scan step being scanned
*
* @return int
*/
public function get_current_scan_step() {
$this->refresh_status();
return $this->current_step;
}
/**
* Return the number of total steps to finish the scan
*
* @return int
*/
public function get_scan_steps() {
return count( $this->get_scan_urls() );
}
/**
* Check if a scanning is in process
*
* @return bool
*/
public function is_scanning() {
$this->refresh_status();
return $this->is_scanning;
}
/**
* Check if the scan has finished
*
* @return bool
*/
public function is_files_scanned() {
$this->refresh_status();
return $this->is_scanned;
}
/**
* Get the list of URLs to scan
*
* @return array
*/
public function get_scan_urls() {
// Calculate URLs to Check.
$args = array(
'orderby' => 'rand',
'posts_per_page' => '1',
'ignore_sticky_posts' => true,
'post_status' => 'publish',
);
$urls = array();
$urls[] = home_url();
$post_types = get_post_types();
$post_types = array_diff( $post_types, array( 'attachment', 'nav_menu_item', 'revision' ) );
foreach ( $post_types as $post_type ) {
$args['post_type'] = $post_type;
$posts = get_posts( $args );
if ( $posts ) {
$urls[] = get_permalink( $posts[0] );
}
$archive_link = get_post_type_archive_link( $post_type );
if ( $archive_link ) {
$urls[] = $archive_link;
}
}
$post = get_post( get_option( 'page_for_posts' ) );
if ( get_option( 'show_on_front' ) && $post ) {
$urls[] = get_permalink( $post->ID );
}
$urls = array_unique( $urls );
$urls_list = array();
// Duplicate every URL 3 times. This will be enough to generate all the files for most of the sites.
for ( $i = 0; $i < 3; $i++ ) {
$urls_list = array_merge( $urls_list, $urls );
}
sort( $urls_list );
return $urls_list;
}
/**
* This function send a request to a URL in the site
* that will trigger the files collection
*
* @param string $url URL.
*
* @return array
*/
public function scan_url( $url ) {
$cookies = array();
foreach ( $_COOKIE as $name => $value ) {
if ( strpos( $name, 'wordpress_' ) > -1 ) {
$cookies[] = new WP_Http_Cookie(
array(
'name' => $name,
'value' => $value,
)
);
}
}
$result = array();
$args = array(
'timeout' => 0.01,
'cookies' => $cookies,
'blocking' => false,
'sslverify' => false,
);
// Add support for basic auth in WPMU DEV staging.
if ( isset( $_SERVER['WPMUDEV_HOSTING_ENV'] ) && 'staging' === $_SERVER['WPMUDEV_HOSTING_ENV'] && isset( $_SERVER['PHP_AUTH_USER'] ) ) {
$args['headers'] = array(
'Authorization' => 'Basic ' . base64_encode( $_SERVER['PHP_AUTH_USER'] . ':' . $_SERVER['PHP_AUTH_PW'] ),
);
}
$url = apply_filters( 'wphb_minify_scan_url', $url );
$result['cookie'] = wp_remote_get( $url, $args );
// One call logged out.
$args = array(
'timeout' => 0.01,
'blocking ' => false,
'sslverify' => false,
);
$result['no-cookie'] = wp_remote_get( $url, $args );
return $result;
}
}