wp-super-cache
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wp-cache-base.php
52 lines
| 1 | <?php |
| 2 | global $WPSC_HTTP_HOST, $cache_enabled, $cache_path, $blogcacheid, $blog_cache_dir; |
| 3 | |
| 4 | // we need to backup HTTP_HOST early in the PHP process, and if running in command line set it to something useful. |
| 5 | if ( ! empty( $_SERVER['HTTP_HOST'] ) ) { |
| 6 | $WPSC_HTTP_HOST = function_exists( 'mb_strtolower' ) ? mb_strtolower( $_SERVER['HTTP_HOST'] ) : strtolower( $_SERVER['HTTP_HOST'] ); |
| 7 | // phpcs:ignore WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase |
| 8 | $WPSC_HTTP_HOST = htmlentities( $WPSC_HTTP_HOST, ENT_COMPAT ); |
| 9 | } elseif ( PHP_SAPI === 'cli' && function_exists( 'get_option' ) ) { |
| 10 | $WPSC_HTTP_HOST = (string) parse_url( get_option( 'home' ), PHP_URL_HOST ); |
| 11 | } else { |
| 12 | $cache_enabled = false; |
| 13 | $WPSC_HTTP_HOST = ''; |
| 14 | } |
| 15 | |
| 16 | // We want to be able to identify each blog in a WordPress MU install |
| 17 | $blogcacheid = ''; |
| 18 | $blog_cache_dir = $cache_path; |
| 19 | |
| 20 | // we might be able to simplify this. I run a multisite and the blogs directory isn't used any more. |
| 21 | // $blogcacheid is set to the domain or prefix path of your site, and all files are put in $cache_path/supercache/$blogcacheid/[REQUEST_URI path]/ |
| 22 | if ( is_multisite() ) { |
| 23 | global $current_blog; |
| 24 | |
| 25 | if ( is_object( $current_blog ) && function_exists( 'is_subdomain_install' ) ) { |
| 26 | $blogcacheid = is_subdomain_install() ? $current_blog->domain : trim( $current_blog->path, '/' ); |
| 27 | } elseif ( ( defined( 'SUBDOMAIN_INSTALL' ) && SUBDOMAIN_INSTALL ) || ( defined( 'VHOST' ) && VHOST === 'yes' ) ) { |
| 28 | $blogcacheid = $WPSC_HTTP_HOST; |
| 29 | } else { |
| 30 | $request_uri = str_replace( '..', '', preg_replace( '/[ <>\'\"\r\n\t\(\)]/', '', $_SERVER['REQUEST_URI'] ) ); |
| 31 | $request_uri = str_replace( '//', '/', $request_uri ); |
| 32 | |
| 33 | $wpsc_path_segs = array_filter( explode( '/', trim( $request_uri, '/' ) ) ); |
| 34 | $wpsc_base_count = defined( 'PATH_CURRENT_SITE' ) ? count( array_filter( explode( '/', trim( PATH_CURRENT_SITE, '/' ) ) ) ) : 0; |
| 35 | if ( ! str_ends_with( $request_uri, '/' ) ) { |
| 36 | $wpsc_path_segs = array_slice( $wpsc_path_segs, 0, -1 ); |
| 37 | } |
| 38 | |
| 39 | if ( count( $wpsc_path_segs ) > $wpsc_base_count && |
| 40 | ( ! defined( 'PATH_CURRENT_SITE' ) || str_starts_with( $request_uri, PATH_CURRENT_SITE ) ) |
| 41 | ) { |
| 42 | $blogcacheid = $wpsc_path_segs[ $wpsc_base_count ]; |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | // If blogcacheid is empty then set it to main blog. |
| 47 | if ( empty( $blogcacheid ) ) { |
| 48 | $blogcacheid = 'blog'; |
| 49 | } |
| 50 | $blog_cache_dir = str_replace( '//', '/', $cache_path . 'blogs/' . $blogcacheid . '/' ); |
| 51 | } |
| 52 |