1<?php
  2/**
  3 * Defines constants and global variables that can be overridden, generally in wp-config.php.
  4 *
  5 * @package WordPress
  6 * @subpackage Multisite
  7 * @since 3.0.0
  8 */
  9
 10/**
 11 * Defines Multisite upload constants.
 12 *
 13 * Exists for backward compatibility with legacy file-serving through
 14 * wp-includes/ms-files.php (wp-content/blogs.php in MU).
 15 *
 16 * @since 3.0.0
 17 */
 18function ms_upload_constants() {
 19	// This filter is attached in ms-default-filters.php but that file is not included during SHORTINIT.
 20	add_filter( 'default_site_option_ms_files_rewriting', '__return_true' );
 21
 22	if ( ! get_site_option( 'ms_files_rewriting' ) ) {
 23		return;
 24	}
 25
 26	// Base uploads dir relative to ABSPATH.
 27	if ( ! defined( 'UPLOADBLOGSDIR' ) ) {
 28		define( 'UPLOADBLOGSDIR', 'wp-content/blogs.dir' );
 29	}
 30
 31	/*
 32	 * Note, the main site in a post-MU network uses wp-content/uploads.
 33	 * This is handled in wp_upload_dir() by ignoring UPLOADS for this case.
 34	 */
 35	if ( ! defined( 'UPLOADS' ) ) {
 36		$site_id = get_current_blog_id();
 37
 38		define( 'UPLOADS', UPLOADBLOGSDIR . '/' . $site_id . '/files/' );
 39
 40		// Uploads dir relative to ABSPATH.
 41		if ( 'wp-content/blogs.dir' === UPLOADBLOGSDIR && ! defined( 'BLOGUPLOADDIR' ) ) {
 42			define( 'BLOGUPLOADDIR', WP_CONTENT_DIR . '/blogs.dir/' . $site_id . '/files/' );
 43		}
 44	}
 45}
 46
 47/**
 48 * Defines Multisite cookie constants.
 49 *
 50 * @since 3.0.0
 51 */
 52function ms_cookie_constants() {
 53	$current_network = get_network();
 54
 55	/**
 56	 * @since 1.2.0
 57	 */
 58	if ( ! defined( 'COOKIEPATH' ) ) {
 59		define( 'COOKIEPATH', $current_network->path );
 60	}
 61
 62	/**
 63	 * @since 1.5.0
 64	 */
 65	if ( ! defined( 'SITECOOKIEPATH' ) ) {
 66		define( 'SITECOOKIEPATH', $current_network->path );
 67	}
 68
 69	/**
 70	 * @since 2.6.0
 71	 */
 72	if ( ! defined( 'ADMIN_COOKIE_PATH' ) ) {
 73		$site_path = parse_url( get_option( 'siteurl' ), PHP_URL_PATH );
 74		if ( ! is_subdomain_install() || is_string( $site_path ) && trim( $site_path, '/' ) ) {
 75			define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH );
 76		} else {
 77			define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );
 78		}
 79	}
 80
 81	/**
 82	 * @since 2.0.0
 83	 */
 84	if ( ! defined( 'COOKIE_DOMAIN' ) && is_subdomain_install() ) {
 85		if ( ! empty( $current_network->cookie_domain ) ) {
 86			define( 'COOKIE_DOMAIN', '.' . $current_network->cookie_domain );
 87		} else {
 88			define( 'COOKIE_DOMAIN', '.' . $current_network->domain );
 89		}
 90	}
 91}
 92
 93/**
 94 * Defines Multisite file constants.
 95 *
 96 * Exists for backward compatibility with legacy file-serving through
 97 * wp-includes/ms-files.php (wp-content/blogs.php in MU).
 98 *
 99 * @since 3.0.0
100 */
101function ms_file_constants() {
102	/**
103	 * Optional support for X-Sendfile header
104	 *
105	 * @since 3.0.0
106	 */
107	if ( ! defined( 'WPMU_SENDFILE' ) ) {
108		define( 'WPMU_SENDFILE', false );
109	}
110
111	/**
112	 * Optional support for X-Accel-Redirect header
113	 *
114	 * @since 3.0.0
115	 */
116	if ( ! defined( 'WPMU_ACCEL_REDIRECT' ) ) {
117		define( 'WPMU_ACCEL_REDIRECT', false );
118	}
119}
120
121/**
122 * Defines Multisite subdomain constants and handles warnings and notices.
123 *
124 * VHOST is deprecated in favor of SUBDOMAIN_INSTALL, which is a bool.
125 *
126 * On first call, the constants are checked and defined. On second call,
127 * we will have translations loaded and can trigger warnings easily.
128 *
129 * @since 3.0.0
130 */
131function ms_subdomain_constants() {
132	static $subdomain_error      = null;
133	static $subdomain_error_warn = null;
134
135	if ( false === $subdomain_error ) {
136		return;
137	}
138
139	if ( $subdomain_error ) {
140		$vhost_deprecated = sprintf(
141			/* translators: 1: VHOST, 2: SUBDOMAIN_INSTALL, 3: wp-config.php, 4: is_subdomain_install() */
142			__( 'The constant %1$s <strong>is deprecated</strong>. Use the boolean constant %2$s in %3$s to enable a subdomain configuration. Use %4$s to check whether a subdomain configuration is enabled.' ),
143			'<code>VHOST</code>',
144			'<code>SUBDOMAIN_INSTALL</code>',
145			'<code>wp-config.php</code>',
146			'<code>is_subdomain_install()</code>'
147		);
148
149		if ( $subdomain_error_warn ) {
150			wp_trigger_error(
151				__FUNCTION__,
152				sprintf(
153					/* translators: 1: VHOST, 2: SUBDOMAIN_INSTALL */
154					__( '<strong>Conflicting values for the constants %1$s and %2$s.</strong> The value of %2$s will be assumed to be your subdomain configuration setting.' ),
155					'<code>VHOST</code>',
156					'<code>SUBDOMAIN_INSTALL</code>'
157				) . ' ' . $vhost_deprecated,
158				E_USER_WARNING
159			);
160		} else {
161			_deprecated_argument( 'define()', '3.0.0', $vhost_deprecated );
162		}
163
164		return;
165	}
166
167	if ( defined( 'SUBDOMAIN_INSTALL' ) && defined( 'VHOST' ) ) {
168		$subdomain_error = true;
169		if ( SUBDOMAIN_INSTALL !== ( 'yes' === VHOST ) ) {
170			$subdomain_error_warn = true;
171		}
172	} elseif ( defined( 'SUBDOMAIN_INSTALL' ) ) {
173		$subdomain_error = false;
174		define( 'VHOST', SUBDOMAIN_INSTALL ? 'yes' : 'no' );
175	} elseif ( defined( 'VHOST' ) ) {
176		$subdomain_error = true;
177		define( 'SUBDOMAIN_INSTALL', 'yes' === VHOST );
178	} else {
179		$subdomain_error = false;
180		define( 'SUBDOMAIN_INSTALL', false );
181		define( 'VHOST', 'no' );
182	}
183}
184