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<?php
/**
* LiteSpeed Cache Purge Interface CLI.
*
* @package LiteSpeed\CLI
*/
namespace LiteSpeed\CLI;
defined( 'WPINC' ) || exit();
use LiteSpeed\Core;
use LiteSpeed\Router;
use LiteSpeed\Admin_Display;
use WP_CLI;
/**
* LiteSpeed Cache Purge Interface
*/
class Purge {
/**
* List all site domains and ids on the network.
*
* For use with the blog subcommand.
*
* ## EXAMPLES
*
* # List all the site domains and ids in a table.
* $ wp litespeed-purge network_list
*/
public function network_list() {
if ( ! is_multisite() ) {
WP_CLI::error( 'This is not a multisite installation!' );
return;
}
$buf = WP_CLI::colorize( '%CThe list of installs:%n' ) . PHP_EOL;
$sites = get_sites();
foreach ( $sites as $site ) {
$buf .= WP_CLI::colorize( '%Y' . $site->domain . $site->path . ':%n ID ' . $site->blog_id ) . PHP_EOL;
}
WP_CLI::line( $buf );
}
/**
* Sends an AJAX request to the site.
*
* @param string $action The action to perform.
* @param array $extra Additional data to include in the request.
* @return object The HTTP response.
* @since 1.0.14
*/
private function send_request( $action, $extra = array() ) {
$data = array(
Router::ACTION => $action,
Router::NONCE => wp_create_nonce( $action ),
);
if ( ! empty( $extra ) ) {
$data = array_merge( $data, $extra );
}
$url = admin_url( 'admin-ajax.php' );
WP_CLI::debug( 'URL is ' . $url );
$out = WP_CLI\Utils\http_request( 'GET', $url, $data );
return $out;
}
/**
* Purges all cache entries for the blog (the entire network if multisite).
*
* ## EXAMPLES
*
* # Purge Everything associated with the WordPress install.
* $ wp litespeed-purge all
*/
public function all() {
$action = is_multisite() ? Core::ACTION_QS_PURGE_EMPTYCACHE : Core::ACTION_QS_PURGE_ALL;
$purge_ret = $this->send_request( $action );
if ( $purge_ret->success ) {
WP_CLI::success( __( 'Purged All!', 'litespeed-cache' ) );
} else {
WP_CLI::error( 'Something went wrong! Got ' . $purge_ret->status_code );
}
}
/**
* Purges all cache entries for the blog.
*
* ## OPTIONS
*
* <blogid>
* : The blog id to purge.
*
* ## EXAMPLES
*
* # In a multisite install, purge only the shop.example.com cache (stored as blog id 2).
* $ wp litespeed-purge blog 2
*
* @param array $args Positional arguments (blogid).
*/
public function blog( $args ) {
if ( ! is_multisite() ) {
WP_CLI::error( 'Not a multisite installation.' );
return;
}
$blogid = $args[0];
if ( ! is_numeric( $blogid ) ) {
$error = WP_CLI::colorize( '%RError: invalid blog id entered.%n' );
WP_CLI::line( $error );
$this->network_list( $args );
return;
}
$site = get_blog_details( $blogid );
if ( false === $site ) {
$error = WP_CLI::colorize( '%RError: invalid blog id entered.%n' );
WP_CLI::line( $error );
$this->network_list( $args );
return;
}
switch_to_blog( $blogid );
$purge_ret = $this->send_request( Core::ACTION_QS_PURGE_ALL );
if ( $purge_ret->success ) {
WP_CLI::success( __( 'Purged the blog!', 'litespeed-cache' ) );
} else {
WP_CLI::error( 'Something went wrong! Got ' . $purge_ret->status_code );
}
}
/**
* Purges all cache tags related to a URL.
*
* ## OPTIONS
*
* <url>
* : The URL to purge.
*
* ## EXAMPLES
*
* # Purge the front page.
* $ wp litespeed-purge url https://mysite.com/
*
* @param array $args Positional arguments (URL).
*/
public function url( $args ) {
$data = array(
Router::ACTION => Core::ACTION_QS_PURGE,
);
$url = $args[0];
$deconstructed = wp_parse_url( $url );
if ( empty( $deconstructed ) ) {
WP_CLI::error( 'URL passed in is invalid.' );
return;
}
if ( is_multisite() ) {
if ( 0 === get_blog_id_from_url( $deconstructed['host'], '/' ) ) {
WP_CLI::error( 'Multisite URL passed in is invalid.' );
return;
}
} else {
$deconstructed_site = wp_parse_url( get_home_url() );
if ( $deconstructed['host'] !== $deconstructed_site['host'] ) {
WP_CLI::error( 'Single site URL passed in is invalid.' );
return;
}
}
WP_CLI::debug( 'URL is ' . $url );
$purge_ret = WP_CLI\Utils\http_request( 'GET', $url, $data );
if ( $purge_ret->success ) {
WP_CLI::success( __( 'Purged the URL!', 'litespeed-cache' ) );
} else {
WP_CLI::error( 'Something went wrong! Got ' . $purge_ret->status_code );
}
}
/**
* Helper function for purging by IDs.
*
* @param array $args The ID list to parse.
* @param string $select The purge by kind.
* @param callable $callback The callback function to check the ID.
*/
private function purgeby( $args, $select, $callback ) {
$filtered = array();
foreach ( $args as $val ) {
if ( ! ctype_digit( $val ) ) {
WP_CLI::debug( '[LSCACHE] Skip val, not a number. ' . $val );
continue;
}
$term = $callback( $val );
if ( ! empty( $term ) ) {
WP_CLI::line( $term->name );
$filtered[] = in_array( $callback, array( 'get_tag', 'get_category' ), true ) ? $term->name : $val;
} else {
WP_CLI::debug( '[LSCACHE] Skip val, not a valid term. ' . $val );
}
}
if ( empty( $filtered ) ) {
WP_CLI::error( 'Arguments must be integer IDs.' );
return;
}
$str = implode( ',', $filtered );
$purge_titles = array(
Admin_Display::PURGEBY_CAT => 'Category',
Admin_Display::PURGEBY_PID => 'Post ID',
Admin_Display::PURGEBY_TAG => 'Tag',
Admin_Display::PURGEBY_URL => 'URL',
);
WP_CLI::line( 'Will purge the following: [' . $purge_titles[ $select ] . '] ' . $str );
$data = array(
Admin_Display::PURGEBYOPT_SELECT => $select,
Admin_Display::PURGEBYOPT_LIST => $str,
);
$purge_ret = $this->send_request( Core::ACTION_PURGE_BY, $data );
if ( $purge_ret->success ) {
WP_CLI::success( __( 'Purged!', 'litespeed-cache' ) );
} else {
WP_CLI::error( 'Something went wrong! Got ' . $purge_ret->status_code );
}
}
/**
* Purges cache tags for a WordPress tag.
*
* ## OPTIONS
*
* <ids>...
* : The Term IDs to purge.
*
* ## EXAMPLES
*
* # Purge the tag IDs 1, 3, and 5
* $ wp litespeed-purge tag 1 3 5
*
* @param array $args Positional arguments (IDs).
*/
public function tag( $args ) {
$this->purgeby( $args, Admin_Display::PURGEBY_TAG, 'get_tag' );
}
/**
* Purges cache tags for a WordPress category.
*
* ## OPTIONS
*
* <ids>...
* : The Term IDs to purge.
*
* ## EXAMPLES
*
* # Purge the category IDs 1, 3, and 5
* $ wp litespeed-purge category 1 3 5
*
* @param array $args Positional arguments (IDs).
*/
public function category( $args ) {
$this->purgeby( $args, Admin_Display::PURGEBY_CAT, 'get_category' );
}
/**
* Purges cache tags for a WordPress Post/Product.
*
* @alias product
*
* ## OPTIONS
*
* <ids>...
* : The Post IDs to purge.
*
* ## EXAMPLES
*
* # Purge the post IDs 1, 3, and 5
* $ wp litespeed-purge post_id 1 3 5
*
* @param array $args Positional arguments (IDs).
*/
public function post_id( $args ) {
$this->purgeby( $args, Admin_Display::PURGEBY_PID, 'get_post' );
}
}