409 lines
10 KiB
PHP
409 lines
10 KiB
PHP
<?php
|
|
/**
|
|
* Network API: WP_Network class
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Multisite
|
|
* @since 4.4.0
|
|
*/
|
|
|
|
/**
|
|
* Core class used for interacting with a multisite network.
|
|
*
|
|
* This class is used during load to populate the `$current_site` global and
|
|
* setup the current network.
|
|
*
|
|
* This class is most useful in WordPress multi-network installations where the
|
|
* ability to interact with any network of sites is required.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @property int $id
|
|
* @property int $site_id
|
|
*/
|
|
class WP_Network {
|
|
|
|
/**
|
|
* Network ID.
|
|
*
|
|
* @since 4.4.0
|
|
* @since 4.6.0 Converted from public to private to explicitly enable more intuitive
|
|
* access via magic methods. As part of the access change, the type was
|
|
* also changed from `string` to `int`.
|
|
* @access private
|
|
* @var int
|
|
*/
|
|
private $id;
|
|
|
|
/**
|
|
* Domain of the network.
|
|
*
|
|
* @since 4.4.0
|
|
* @access public
|
|
* @var string
|
|
*/
|
|
public $domain = '';
|
|
|
|
/**
|
|
* Path of the network.
|
|
*
|
|
* @since 4.4.0
|
|
* @access public
|
|
* @var string
|
|
*/
|
|
public $path = '';
|
|
|
|
/**
|
|
* The ID of the network's main site.
|
|
*
|
|
* Named "blog" vs. "site" for legacy reasons. A main site is mapped to
|
|
* the network when the network is created.
|
|
*
|
|
* A numeric string, for compatibility reasons.
|
|
*
|
|
* @since 4.4.0
|
|
* @access private
|
|
* @var string
|
|
*/
|
|
private $blog_id = '0';
|
|
|
|
/**
|
|
* Domain used to set cookies for this network.
|
|
*
|
|
* @since 4.4.0
|
|
* @access public
|
|
* @var string
|
|
*/
|
|
public $cookie_domain = '';
|
|
|
|
/**
|
|
* Name of this network.
|
|
*
|
|
* Named "site" vs. "network" for legacy reasons.
|
|
*
|
|
* @since 4.4.0
|
|
* @access public
|
|
* @var string
|
|
*/
|
|
public $site_name = '';
|
|
|
|
/**
|
|
* Retrieve a network from the database by its ID.
|
|
*
|
|
* @since 4.4.0
|
|
* @access public
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param int $network_id The ID of the network to retrieve.
|
|
* @return WP_Network|bool The network's object if found. False if not.
|
|
*/
|
|
public static function get_instance( $network_id ) {
|
|
global $wpdb;
|
|
|
|
$network_id = (int) $network_id;
|
|
if ( ! $network_id ) {
|
|
return false;
|
|
}
|
|
|
|
$_network = wp_cache_get( $network_id, 'networks' );
|
|
|
|
if ( ! $_network ) {
|
|
$_network = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->site} WHERE id = %d LIMIT 1", $network_id ) );
|
|
|
|
if ( empty( $_network ) || is_wp_error( $_network ) ) {
|
|
return false;
|
|
}
|
|
|
|
wp_cache_add( $network_id, $_network, 'networks' );
|
|
}
|
|
|
|
return new WP_Network( $_network );
|
|
}
|
|
|
|
/**
|
|
* Create a new WP_Network object.
|
|
*
|
|
* Will populate object properties from the object provided and assign other
|
|
* default properties based on that information.
|
|
*
|
|
* @since 4.4.0
|
|
* @access public
|
|
*
|
|
* @param WP_Network|object $network A network object.
|
|
*/
|
|
public function __construct( $network ) {
|
|
foreach( get_object_vars( $network ) as $key => $value ) {
|
|
$this->$key = $value;
|
|
}
|
|
|
|
$this->_set_site_name();
|
|
$this->_set_cookie_domain();
|
|
}
|
|
|
|
/**
|
|
* Getter.
|
|
*
|
|
* Allows current multisite naming conventions when getting properties.
|
|
*
|
|
* @since 4.6.0
|
|
* @access public
|
|
*
|
|
* @param string $key Property to get.
|
|
* @return mixed Value of the property. Null if not available.
|
|
*/
|
|
public function __get( $key ) {
|
|
switch ( $key ) {
|
|
case 'id':
|
|
return (int) $this->id;
|
|
case 'blog_id':
|
|
return $this->blog_id;
|
|
case 'site_id':
|
|
return (int) $this->blog_id;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Isset-er.
|
|
*
|
|
* Allows current multisite naming conventions when checking for properties.
|
|
*
|
|
* @since 4.6.0
|
|
* @access public
|
|
*
|
|
* @param string $key Property to check if set.
|
|
* @return bool Whether the property is set.
|
|
*/
|
|
public function __isset( $key ) {
|
|
switch ( $key ) {
|
|
case 'id':
|
|
case 'blog_id':
|
|
case 'site_id':
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Setter.
|
|
*
|
|
* Allows current multisite naming conventions while setting properties.
|
|
*
|
|
* @since 4.6.0
|
|
* @access public
|
|
*
|
|
* @param string $key Property to set.
|
|
* @param mixed $value Value to assign to the property.
|
|
*/
|
|
public function __set( $key, $value ) {
|
|
switch ( $key ) {
|
|
case 'id':
|
|
$this->id = (int) $value;
|
|
break;
|
|
case 'blog_id':
|
|
case 'site_id':
|
|
$this->blog_id = (string) $value;
|
|
break;
|
|
default:
|
|
$this->$key = $value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the site name assigned to the network if one has not been populated.
|
|
*
|
|
* @since 4.4.0
|
|
* @access private
|
|
*/
|
|
private function _set_site_name() {
|
|
if ( ! empty( $this->site_name ) ) {
|
|
return;
|
|
}
|
|
|
|
$default = ucfirst( $this->domain );
|
|
$this->site_name = get_network_option( $this->id, 'site_name', $default );
|
|
}
|
|
|
|
/**
|
|
* Set the cookie domain based on the network domain if one has
|
|
* not been populated.
|
|
*
|
|
* @todo What if the domain of the network doesn't match the current site?
|
|
*
|
|
* @since 4.4.0
|
|
* @access private
|
|
*/
|
|
private function _set_cookie_domain() {
|
|
if ( ! empty( $this->cookie_domain ) ) {
|
|
return;
|
|
}
|
|
|
|
$this->cookie_domain = $this->domain;
|
|
if ( 'www.' === substr( $this->cookie_domain, 0, 4 ) ) {
|
|
$this->cookie_domain = substr( $this->cookie_domain, 4 );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve the closest matching network for a domain and path.
|
|
*
|
|
* This will not necessarily return an exact match for a domain and path. Instead, it
|
|
* breaks the domain and path into pieces that are then used to match the closest
|
|
* possibility from a query.
|
|
*
|
|
* The intent of this method is to match a network during bootstrap for a
|
|
* requested site address.
|
|
*
|
|
* @since 4.4.0
|
|
* @access public
|
|
* @static
|
|
*
|
|
* @param string $domain Domain to check.
|
|
* @param string $path Path to check.
|
|
* @param int|null $segments Path segments to use. Defaults to null, or the full path.
|
|
* @return WP_Network|bool Network object if successful. False when no network is found.
|
|
*/
|
|
public static function get_by_path( $domain = '', $path = '', $segments = null ) {
|
|
$domains = array( $domain );
|
|
$pieces = explode( '.', $domain );
|
|
|
|
/*
|
|
* It's possible one domain to search is 'com', but it might as well
|
|
* be 'localhost' or some other locally mapped domain.
|
|
*/
|
|
while ( array_shift( $pieces ) ) {
|
|
if ( ! empty( $pieces ) ) {
|
|
$domains[] = implode( '.', $pieces );
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If we've gotten to this function during normal execution, there is
|
|
* more than one network installed. At this point, who knows how many
|
|
* we have. Attempt to optimize for the situation where networks are
|
|
* only domains, thus meaning paths never need to be considered.
|
|
*
|
|
* This is a very basic optimization; anything further could have
|
|
* drawbacks depending on the setup, so this is best done per-install.
|
|
*/
|
|
$using_paths = true;
|
|
if ( wp_using_ext_object_cache() ) {
|
|
$using_paths = wp_cache_get( 'networks_have_paths', 'site-options' );
|
|
if ( false === $using_paths ) {
|
|
$using_paths = get_networks( array(
|
|
'number' => 1,
|
|
'count' => true,
|
|
'path__not_in' => '/',
|
|
) );
|
|
wp_cache_add( 'networks_have_paths', $using_paths, 'site-options' );
|
|
}
|
|
}
|
|
|
|
$paths = array();
|
|
if ( $using_paths ) {
|
|
$path_segments = array_filter( explode( '/', trim( $path, '/' ) ) );
|
|
|
|
/**
|
|
* Filters the number of path segments to consider when searching for a site.
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param int|null $segments The number of path segments to consider. WordPress by default looks at
|
|
* one path segment. The function default of null only makes sense when you
|
|
* know the requested path should match a network.
|
|
* @param string $domain The requested domain.
|
|
* @param string $path The requested path, in full.
|
|
*/
|
|
$segments = apply_filters( 'network_by_path_segments_count', $segments, $domain, $path );
|
|
|
|
if ( ( null !== $segments ) && count( $path_segments ) > $segments ) {
|
|
$path_segments = array_slice( $path_segments, 0, $segments );
|
|
}
|
|
|
|
while ( count( $path_segments ) ) {
|
|
$paths[] = '/' . implode( '/', $path_segments ) . '/';
|
|
array_pop( $path_segments );
|
|
}
|
|
|
|
$paths[] = '/';
|
|
}
|
|
|
|
/**
|
|
* Determine a network by its domain and path.
|
|
*
|
|
* This allows one to short-circuit the default logic, perhaps by
|
|
* replacing it with a routine that is more optimal for your setup.
|
|
*
|
|
* Return null to avoid the short-circuit. Return false if no network
|
|
* can be found at the requested domain and path. Otherwise, return
|
|
* an object from wp_get_network().
|
|
*
|
|
* @since 3.9.0
|
|
*
|
|
* @param null|bool|object $network Network value to return by path.
|
|
* @param string $domain The requested domain.
|
|
* @param string $path The requested path, in full.
|
|
* @param int|null $segments The suggested number of paths to consult.
|
|
* Default null, meaning the entire path was to be consulted.
|
|
* @param array $paths The paths to search for, based on $path and $segments.
|
|
*/
|
|
$pre = apply_filters( 'pre_get_network_by_path', null, $domain, $path, $segments, $paths );
|
|
if ( null !== $pre ) {
|
|
return $pre;
|
|
}
|
|
|
|
if ( ! $using_paths ) {
|
|
$networks = get_networks( array(
|
|
'number' => 1,
|
|
'orderby' => array(
|
|
'domain_length' => 'DESC',
|
|
),
|
|
'domain__in' => $domains,
|
|
) );
|
|
|
|
if ( ! empty( $networks ) ) {
|
|
return array_shift( $networks );
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
$networks = get_networks( array(
|
|
'orderby' => array(
|
|
'domain_length' => 'DESC',
|
|
'path_length' => 'DESC',
|
|
),
|
|
'domain__in' => $domains,
|
|
'path__in' => $paths,
|
|
) );
|
|
|
|
/*
|
|
* Domains are sorted by length of domain, then by length of path.
|
|
* The domain must match for the path to be considered. Otherwise,
|
|
* a network with the path of / will suffice.
|
|
*/
|
|
$found = false;
|
|
foreach ( $networks as $network ) {
|
|
if ( ( $network->domain === $domain ) || ( "www.{$network->domain}" === $domain ) ) {
|
|
if ( in_array( $network->path, $paths, true ) ) {
|
|
$found = true;
|
|
break;
|
|
}
|
|
}
|
|
if ( $network->path === '/' ) {
|
|
$found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( true === $found ) {
|
|
return $network;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|