add wp-rocket

wp-content/plugins/wp-rocket/inc/classes/subscriber/third-party/Hostings/class-litespeed-subscriber.php

@@ -0,0 +1,121 @@
+<?php
+namespace WP_Rocket\Subscriber\Third_Party\Hostings;
+
+use WP_Rocket\Logger\Logger;
+use WP_Rocket\Event_Management\Subscriber_Interface;
+
+/**
+ * Subscriber for compatibility with Litespeed
+ *
+ * @since  3.4.1
+ * @author Soponar Cristina
+ */
+class Litespeed_Subscriber implements Subscriber_Interface {
+	/**
+	 * Subscribed events for Litespeed.
+	 *
+	 * @since  3.4.1
+	 * @author Soponar Cristina
+	 * @inheritDoc
+	 */
+	public static function get_subscribed_events() {
+		if ( ! isset( $_SERVER['HTTP_X_LSCACHE'] ) ) {
+			return [];
+		}
+
+		return [
+			'before_rocket_clean_domain' => 'litespeed_clean_domain',
+			'before_rocket_clean_file'   => 'litespeed_clean_file',
+			'before_rocket_clean_home'   => [ 'litespeed_clean_home', 10, 2 ],
+		];
+	}
+
+	/**
+	 * Purge Litespeed all domain.
+	 *
+	 * @since  3.4.1
+	 * @author Soponar Cristina
+	 */
+	public function litespeed_clean_domain() {
+		$this->litespeed_header_purge_all();
+	}
+
+	/**
+	 * Purge a specific page
+	 *
+	 * @since  3.4.1
+	 * @author Soponar Cristina
+	 *
+	 * @param string $url The url to purge.
+	 */
+	public function litespeed_clean_file( $url ) {
+		$this->litespeed_header_purge_url( trailingslashit( $url ) );
+	}
+
+	/**
+	 * Purge the homepage and its pagination
+	 *
+	 * @since  3.4.1
+	 * @author Soponar Cristina
+	 *
+	 * @param string $root The path of home cache file.
+	 * @param string $lang The current lang to purge.
+	 */
+	public function litespeed_clean_home( $root, $lang ) {
+		$home_url            = trailingslashit( get_rocket_i18n_home_url( $lang ) );
+		$home_pagination_url = $home_url . trailingslashit( $GLOBALS['wp_rewrite']->pagination_base );
+
+		$this->litespeed_header_purge_url( $home_url );
+		$this->litespeed_header_purge_url( $home_pagination_url );
+	}
+
+	/**
+	 * Purge Litespeed URL
+	 *
+	 * @since 3.4.1
+	 * @author Soponar Cristina
+	 *
+	 * @param  string $url The URL to purge.
+	 * @return void
+	 */
+	public function litespeed_header_purge_url( $url ) {
+		if ( headers_sent() ) {
+			Logger::debug(
+				'X-LiteSpeed Headers already sent',
+				[ 'headers_sent' ]
+			);
+			return;
+		}
+
+		$parse_url      = get_rocket_parse_url( $url );
+		$path           = rtrim( $parse_url['path'], '/' );
+		$private_prefix = 'X-LiteSpeed-Purge: ' . $path;
+
+		Logger::debug(
+			'X-LiteSpeed',
+			[
+				'litespeed_header_purge_url',
+				'path' => $private_prefix,
+			]
+		);
+
+		@header( $private_prefix );
+	}
+
+	/**
+	 * Purge Litespeed Cache
+	 *
+	 * @since 3.4.1
+	 * @author Soponar Cristina
+	 *
+	 * @return void
+	 */
+	public function litespeed_header_purge_all() {
+		if ( headers_sent() ) {
+			return;
+		}
+		$private_prefix = 'X-LiteSpeed-Purge: *';
+		@header( $private_prefix );
+	}
+
+}