<?php
if ( ! defined( 'ABSPATH' ) ) { exit; }
if ( is_admin() ) { return; }
class SiteManagerAdvancedCache {
private $device_regexes = array(
'smart' => '/\(iPhone|\(iPod|Android .+ Mobile|IEMobile|Windows Phone|Android; Mobile; .+Firefox/',
'tablet' => '/\(iPad| Android |Android; Tablet; .+Firefox/',
);
private $sites = array(
);
private $allowed_query_keys;
private $site_mode = false;
private $theme_switcher_disabled = false;
private $replace_class_file;
function __construct() {
global $table_prefix;
$this->replace_class_file = WP_CONTENT_DIR . '/replace-class.php';
if ( ! isset( $_SERVER['REQUEST_URI'] ) || ! isset( $_SERVER['HTTP_USER_AGENT'] ) || ! isset( $_SERVER['REQUEST_METHOD'] ) || ! isset( $_SERVER['SCRIPT_NAME'] ) || ! isset( $_SERVER['SERVER_NAME'] ) ) { return; }
if ( ! isset( $_SERVER['REQUEST_METHOD'] ) || $_SERVER['REQUEST_METHOD'] != 'GET' ) { return; }
if ( defined( 'CACHE_EXCLUDE_IP' ) ) {
$exclude_ips = explode( '|', CACHE_EXCLUDE_IP );
foreach ( $exclude_ips as $exclude_ip ) {
if ( $_SERVER['REMOTE_ADDR'] == $exclude_ip || preg_match( '/' . preg_quote( $exclude_ip ) . '/', $_SERVER['REMOTE_ADDR'] ) ) {
return;
}
}
}
if ( defined( 'CACHE_EXCLUDE_GET' ) && isset( $_GET[CACHE_EXCLUDE_GET] ) ) {
return;
}
foreach ( array_keys( $_COOKIE ) as $key ) {
if ( strpos( $key, 'wordpress_logged_in_' ) === 0 || strpos( $key, 'comment_author_' ) === 0 ) {
return;
}
}
$this->allowed_query_keys = array( 'm','p','posts','w','cat',略 );
switch ( $this->site_mode ) {
case 'domain' :
$add_prefix = isset( $this->sites[$_SERVER['SERVER_NAME']] ) && $this->sites[$_SERVER['SERVER_NAME']] != 1 ? $this->sites[$_SERVER['SERVER_NAME']] . '_' : '';
$site_id = isset( $this->sites[$_SERVER['SERVER_NAME']] ) ? $this->sites[$_SERVER['SERVER_NAME']] : '';
$table = $table_prefix . $add_prefix;
$this->replace_class_file = WP_CONTENT_DIR . '/replace-class-' . $site_id . '.php';
break;
case 'directory' :
$key = '/';
if ( trim( $_SERVER['REQUEST_URI'], '/' ) ) {
$dirs = explode( '/', trim( $_SERVER['REQUEST_URI'], '/' ), 2 );
$key .= array_shift( $dirs ) . '/';
unset( $dirs );
}
$add_prefix = isset( $this->sites[$key] ) && $this->sites[$key] != 1 ? $this->sites[$key] . '_' : '';
$site_id = isset( $this->sites[$key] ) ? $this->sites[$key] : BLOG_ID_CURRENT_SITE;
$table = $table_prefix . $add_prefix;
$this->replace_class_file = WP_CONTENT_DIR . '/replace-class-' . $site_id . '.php';
break;
default :
$table = $table_prefix;
$site_id = '';
}
if ( $this->theme_switcher_disabled || ( ! $group = $this->get_device_group() ) ) {
$group = '';
}
if ( ( isset( $_SERVER['HTTPS'] ) && $_SERVER['HTTPS'] == 'on' ) || ( isset( $_SERVER['X-Forwarded-Proto'] ) && $_SERVER['X-Forwarded-Proto'] == 'https' ) ) {
$protocol = 'https';
} else {
$protocol = 'http';
}
$requerst_query = '';
$request_uri = parse_url( $_SERVER['REQUEST_URI'] );
if ( isset( $request_uri['query'] ) ) {
parse_str( $request_uri['query'], $requerst_query );
foreach ( $requerst_query as $key => $var ) {
if ( ! in_array( $key, $this->allowed_query_keys ) ) {
unset( $requerst_query[$key] );
}
}
ksort( $requerst_query );
$requerst_query = http_build_query( $requerst_query );
}
if ( $requerst_query ) {
$request_uri = $request_uri['path'] . '?' . $requerst_query;
} else {
$request_uri = $request_uri['path'];
}
$device_url = array(
$group,
$protocol,
$_SERVER['SERVER_NAME'],
$request_uri
);
$device_url = implode( '|', $device_url );
$hash = md5( $device_url );
$now = date( 'Y-m-d H:i:s' );
$expire = date ( 'Y-m-d H:i:s', time() - 30 );
if ( defined( 'CACHE_DB_NAME' ) && defined( 'CACHE_DB_USER' ) && defined( 'CACHE_DB_PASSWORD' ) && defined( 'CACHE_DB_HOST' ) ) {
$dbset = array(
'host' => CACHE_DB_HOST,
'user' => CACHE_DB_USER,
'pass' => CACHE_DB_PASSWORD,
'name' => CACHE_DB_NAME
);
} else {
$dbset = array(
'host' => DB_HOST,
'user' => DB_USER,
'pass' => DB_PASSWORD,
'name' => DB_NAME
);
}
$dbh = mysqli_connect(
$dbset['host'],
$dbset['user'],
$dbset['pass'],
$dbset['name']
);
if ( false === $dbh ) { return; }
if ( function_exists( 'mysqli_set_charset' ) ) {
mysqli_set_charset( $dbh, DB_CHARSET );
} else {
$sql = 'set names ' . DB_CHARSET;
mysqli_query( $dbh, $sql );
}
mysqli_select_db( $dbh, $dbset['name'] );
$sql = "
SELECT *
FROM {$table}site_cache
WHERE <code>hash</code> = '$hash'
AND <code>expire_time</code> >= '$expire'
";
$ret = mysqli_query( $dbh, $sql );
if ( $ret ) {
while ( $row = mysqli_fetch_object( $ret ) ) {
if ( $row->device_url == $device_url && ( strpos( $row->content, '<!-- page cached by KUSANAGI. ' ) !== false || strpos( $row->content, '<!-- page cached by WP SiteManager. ' ) !== false ) ) {
if ( $row->expire_time < $now ) {
if ( ! $row->updating ) {
$sql = "
UPDATE {$table}site_cache
SET <code>updating</code> = 1
WHERE <code>hash</code> = '$hash'
AND <code>type</code> = '{$row->type}'
AND <code>expire_time</code> = '{$row->expire_time}'
";
mysqli_query( $dbh, $sql );
break;
}
}
$headers = unserialize( $row->headers );
if ( $headers ) {
foreach ( $headers as $key => $header ) {
header( $key . ': ' . $header );
}
}
if ( $row->updating ) {
header( 'Cache-Control: no-cache' );
header( 'X-B-Cache: updating' );
} else {
header( 'X-B-Cache: cache' );
}
if ( file_exists( $this->replace_class_file ) ) {
require_once( $this->replace_class_file );
$row->content = KUSANAGI_Replace::replace( $row->content );
}
if ( 'rest_api' == $row->type ) {
header( 'X-cache-ID: ' . $row->hash );
echo $row->content;
} else {
echo $row->content;
echo "\n" .'<!-- CacheID : ' . $row->hash . ' -->';
}
exit;
}
}
}
mysqli_close( $dbh );
}
function get_device_group() {
$path = preg_replace( '#^' . str_replace( '\\', '/', $_SERVER['DOCUMENT_ROOT'] ) . '#', '', str_replace( '\\', '/', ABSPATH ) );
if ( isset( $_GET['site-view'] ) ) {
if ( strtolower( $_GET['site-view'] ) == 'pc' ) {
setcookie( 'site-view', 'pc', 0, $path );
return false;
}
foreach ( $this->device_regexes as $group => $regex ) {
if ( strtolower( $_GET['site-view'] ) == strtolower( $group ) ) {
setcookie( 'site-view', $group, 0, $path );
return $group;
}
}
} elseif ( isset( $_COOKIE['site-view'] ) ) {
if ( strtolower( $_COOKIE['site-view'] ) == 'pc' ) {
setcookie( 'site-view', 'pc', 0, $path );
return false;
}
foreach ( $this->device_regexes as $group => $regex ) {
if ( strtolower( $_COOKIE['site-view'] ) == strtolower( $group ) ) {
setcookie( 'site-view', $group, 0, $path );
return $group;
}
}
}
foreach ( $this->device_regexes as $group => $regex ) {
if ( preg_match( $regex, $_SERVER['HTTP_USER_AGENT'] ) ) {
return $group;
}
}
return false;
}
}
new SiteManagerAdvancedCache();
foreach ( $this->device_regexes as $group => $regex ) {
if ( preg_match( $regex, $_SERVER['HTTP_USER_AGENT'] ) ) {
return $group;
}
}
return false;
}
}
new SiteManagerAdvancedCache();
