plugin install

wp/wp-content/plugins/nginx-helper/admin/class-fastcgi-purger.php

@@ -0,0 +1,221 @@
+<?php
+/**
+ * The admin-specific functionality of the plugin.
+ *
+ * @link       https://rtcamp.com/nginx-helper/
+ * @since      2.0.0
+ *
+ * @package    nginx-helper
+ * @subpackage nginx-helper/admin
+ */
+
+/**
+ * Description of FastCGI_Purger
+ *
+ * @package    nginx-helper
+ * @subpackage nginx-helper/admin
+ * @author     rtCamp
+ */
+class FastCGI_Purger extends Purger {
+
+	/**
+	 * Function to purge url.
+	 *
+	 * @param string $url URL.
+	 * @param bool   $feed Weather it is feed or not.
+	 */
+	public function purge_url( $url, $feed = true ) {
+
+		global $nginx_helper_admin;
+
+		/**
+		 * Filters the URL to be purged.
+		 *
+		 * @since 2.1.0
+		 *
+		 * @param string $url URL to be purged.
+		 */
+		$url = apply_filters( 'rt_nginx_helper_purge_url', $url );
+
+		$this->log( '- Purging URL | ' . $url );
+
+		$parse = wp_parse_url( $url );
+
+		if ( ! isset( $parse['path'] ) ) {
+			$parse['path'] = '';
+		}
+
+		switch ( $nginx_helper_admin->options['purge_method'] ) {
+
+			case 'unlink_files':
+				$_url_purge_base = $parse['scheme'] . '://' . $parse['host'] . $parse['path'];
+				$_url_purge      = $_url_purge_base;
+
+				if ( ! empty( $parse['query'] ) ) {
+					$_url_purge .= '?' . $parse['query'];
+				}
+
+				$this->delete_cache_file_for( $_url_purge );
+
+				if ( $feed && ! empty( $nginx_helper_admin->options['purge_feeds'] ) ) {
+
+					$feed_url = rtrim( $_url_purge_base, '/' ) . '/feed/';
+					$this->delete_cache_file_for( $feed_url );
+					$this->delete_cache_file_for( $feed_url . 'atom/' );
+					$this->delete_cache_file_for( $feed_url . 'rdf/' );
+
+				}
+				break;
+
+			case 'get_request':
+				// Go to default case.
+			default:
+				$_url_purge_base = $this->purge_base_url() . $parse['path'];
+				$_url_purge      = $_url_purge_base;
+
+				if ( isset( $parse['query'] ) && '' !== $parse['query'] ) {
+					$_url_purge .= '?' . $parse['query'];
+				}
+
+				$this->do_remote_get( $_url_purge );
+
+				if ( $feed && ! empty( $nginx_helper_admin->options['purge_feeds'] ) ) {
+
+					$feed_url = rtrim( $_url_purge_base, '/' ) . '/feed/';
+					$this->do_remote_get( $feed_url );
+					$this->do_remote_get( $feed_url . 'atom/' );
+					$this->do_remote_get( $feed_url . 'rdf/' );
+
+				}
+				break;
+
+		}
+
+	}
+
+	/**
+	 * Function to custom purge urls.
+	 */
+	public function custom_purge_urls() {
+
+		global $nginx_helper_admin;
+
+		$parse = wp_parse_url( home_url() );
+
+		$purge_urls = isset( $nginx_helper_admin->options['purge_url'] ) && ! empty( $nginx_helper_admin->options['purge_url'] ) ?
+			explode( "\r\n", $nginx_helper_admin->options['purge_url'] ) : array();
+
+		/**
+		 * Allow plugins/themes to modify/extend urls.
+		 *
+		 * @param array $purge_urls URLs which needs to be purged.
+		 * @param bool  $wildcard   If wildcard in url is allowed or not. default false.
+		 */
+		$purge_urls = apply_filters( 'rt_nginx_helper_purge_urls', $purge_urls, false );
+
+		switch ( $nginx_helper_admin->options['purge_method'] ) {
+
+			case 'unlink_files':
+				$_url_purge_base = $parse['scheme'] . '://' . $parse['host'];
+
+				if ( is_array( $purge_urls ) && ! empty( $purge_urls ) ) {
+
+					foreach ( $purge_urls as $purge_url ) {
+
+						$purge_url = trim( $purge_url );
+
+						if ( strpos( $purge_url, '*' ) === false ) {
+
+							$purge_url = $_url_purge_base . $purge_url;
+							$this->log( '- Purging URL | ' . $purge_url );
+							$this->delete_cache_file_for( $purge_url );
+
+						}
+					}
+				}
+				break;
+
+			case 'get_request':
+				// Go to default case.
+			default:
+				$_url_purge_base = $this->purge_base_url();
+
+				if ( is_array( $purge_urls ) && ! empty( $purge_urls ) ) {
+
+					foreach ( $purge_urls as $purge_url ) {
+
+						$purge_url = trim( $purge_url );
+
+						if ( strpos( $purge_url, '*' ) === false ) {
+
+							$purge_url = $_url_purge_base . $purge_url;
+							$this->log( '- Purging URL | ' . $purge_url );
+							$this->do_remote_get( $purge_url );
+
+						}
+					}
+				}
+				break;
+
+		}
+
+	}
+
+	/**
+	 * Purge everything.
+	 */
+	public function purge_all() {
+
+		$this->unlink_recursive( RT_WP_NGINX_HELPER_CACHE_PATH, false );
+		$this->log( '* * * * *' );
+		$this->log( '* Purged Everything!' );
+		$this->log( '* * * * *' );
+
+		/**
+		 * Fire an action after the FastCGI cache has been purged.
+		 *
+		 * @since 2.1.0
+		 */
+		do_action( 'rt_nginx_helper_after_fastcgi_purge_all' );
+	}
+
+	/**
+	 * Constructs the base url to call when purging using the "get_request" method.
+	 *
+	 * @since 2.2.0
+	 *
+	 * @return string
+	 */
+	private function purge_base_url() {
+
+		$parse = wp_parse_url( home_url() );
+
+		/**
+		 * Filter to change purge suffix for FastCGI cache.
+		 *
+		 * @param string $suffix Purge suffix. Default is purge.
+		 *
+		 * @since 2.2.0
+		 */
+		$path = apply_filters( 'rt_nginx_helper_fastcgi_purge_suffix', 'purge' );
+
+		// Prevent users from inserting a trailing '/' that could break the url purging.
+		$path = trim( $path, '/' );
+
+		$purge_url_base = $parse['scheme'] . '://' . $parse['host'] . '/' . $path;
+
+		/**
+		 * Filter to change purge URL base for FastCGI cache.
+		 *
+		 * @param string $purge_url_base Purge URL base.
+		 *
+		 * @since 2.2.0
+		 */
+		$purge_url_base = apply_filters( 'rt_nginx_helper_fastcgi_purge_url_base', $purge_url_base );
+
+		// Prevent users from inserting a trailing '/' that could break the url purging.
+		return untrailingslashit( $purge_url_base );
+
+	}
+
+}