add wp-rocket

wp-content/plugins/wp-rocket/inc/Engine/Optimization/AbstractOptimization.php

@@ -0,0 +1,217 @@
+<?php
+namespace WP_Rocket\Engine\Optimization;
+
+use WP_Rocket\Admin\Options_Data;
+
+/**
+ * Base abstract class for files optimization
+ *
+ * @since 3.1
+ * @author Remy Perona
+ */
+abstract class AbstractOptimization {
+
+	/**
+	 * Plugin options.
+	 *
+	 * @var Options_Data
+	 */
+	protected $options;
+
+	/**
+	 * Minify key.
+	 *
+	 * @var mixed
+	 */
+	protected $minify_key;
+
+	/**
+	 * Concatenated list of excluded files.
+	 *
+	 * @var string
+	 */
+	protected $excluded_files;
+
+	/**
+	 * Minify base path.
+	 *
+	 * @var string
+	 */
+	protected $minify_base_path;
+
+	/**
+	 * Minify base URL.
+	 *
+	 * @var string
+	 */
+	protected $minify_base_url;
+
+	/**
+	 * Initializes the minify base path and URL.
+	 */
+	protected function init_base_path_and_url() {
+		$site_id                = get_current_blog_id() . '/';
+		$this->minify_base_path = rocket_get_constant( 'WP_ROCKET_MINIFY_CACHE_PATH' ) . $site_id;
+		$this->minify_base_url  = rocket_get_constant( 'WP_ROCKET_MINIFY_CACHE_URL' ) . $site_id;
+	}
+
+	/**
+	 * Finds nodes matching the pattern in the HTML.
+	 *
+	 * @since 3.1
+	 * @author Remy Perona
+	 *
+	 * @param string $pattern Pattern to match.
+	 * @param string $html HTML content.
+	 * @return bool|array
+	 */
+	protected function find( $pattern, $html ) {
+		preg_match_all( '/' . $pattern . '/Umsi', $html, $matches, PREG_SET_ORDER );
+
+		if ( empty( $matches ) ) {
+			return false;
+		}
+
+		return $matches;
+	}
+
+	/**
+	 * Determines if the file is external.
+	 *
+	 * @since 2.11
+	 * @author Remy Perona
+	 *
+	 * @param string $url URL of the file.
+	 * @return bool True if external, false otherwise
+	 */
+	protected function is_external_file( $url ) {
+		$file = get_rocket_parse_url( $url );
+
+		if ( empty( $file['path'] ) ) {
+			return true;
+		}
+
+		$wp_content = wp_parse_url( content_url() );
+
+		if ( empty( $wp_content['host'] ) || empty( $wp_content['path'] ) ) {
+			return true;
+		}
+
+		/**
+		 * Filters the allowed hosts for optimization
+		 *
+		 * @since  3.4
+		 * @author Remy Perona
+		 *
+		 * @param array $hosts Allowed hosts.
+		 * @param array $zones Zones to check available hosts.
+		 */
+		$hosts   = (array) apply_filters( 'rocket_cdn_hosts', [], $this->get_zones() );
+		$hosts[] = $wp_content['host'];
+		$langs   = get_rocket_i18n_uri();
+
+		// Get host for all langs.
+		foreach ( $langs as $lang ) {
+			$url_host = wp_parse_url( $lang, PHP_URL_HOST );
+
+			if ( ! isset( $url_host ) ) {
+				continue;
+			}
+
+			$hosts[] = $url_host;
+		}
+
+		$hosts = array_unique( $hosts );
+
+		if ( empty( $hosts ) ) {
+			return true;
+		}
+
+		// URL has domain and domain is part of the internal domains.
+		if ( ! empty( $file['host'] ) ) {
+			foreach ( $hosts as $host ) {
+				if ( false !== strpos( $url, $host ) ) {
+					return false;
+				}
+			}
+
+			return true;
+		}
+
+		// URL has no domain and doesn't contain the WP_CONTENT path or wp-includes.
+		return ! preg_match( '#(' . $wp_content['path'] . '|wp-includes)#', $file['path'] );
+	}
+
+	/**
+	 * Writes the content to a file
+	 *
+	 * @since 3.1
+	 * @author Remy Perona
+	 *
+	 * @param string $content       Content to write.
+	 * @param string $file          Path to the file to write in.
+	 * @return bool
+	 */
+	protected function write_file( $content, $file ) {
+		if ( rocket_direct_filesystem()->is_readable( $file ) ) {
+			return true;
+		}
+
+		if ( ! rocket_mkdir_p( dirname( $file ) ) ) {
+			return false;
+		}
+
+		if ( function_exists( 'gzencode' ) ) {
+			// This filter is documented in inc/classes/Buffer/class-cache.php.
+			$gzip_content = gzencode( $content, apply_filters( 'rocket_gzencode_level_compression', 6 ) );
+
+			if ( $gzip_content ) {
+				rocket_put_content( $file . '.gz', $gzip_content );
+			}
+		}
+
+		return rocket_put_content( $file, $content );
+	}
+
+	/**
+	 * Gets the file path from an URL
+	 *
+	 * @since 3.1
+	 * @author Remy Perona
+	 *
+	 * @param string $url File URL.
+	 * @return bool|string
+	 */
+	protected function get_file_path( $url ) {
+		return rocket_url_to_path( strtok( $url, '?' ), $this->get_zones() );
+	}
+
+	/**
+	 * Gets content of a file
+	 *
+	 * @since 3.1
+	 * @author Remy Perona
+	 *
+	 * @param string $file File path.
+	 * @return string
+	 */
+	protected function get_file_content( $file ) {
+		return rocket_direct_filesystem()->get_contents( $file );
+	}
+
+	/**
+	 * Hides unwanted blocks from the HTML to be parsed for optimization
+	 *
+	 * @since 3.1.4
+	 * @author Remy Perona
+	 *
+	 * @param string $html HTML content.
+	 * @return string
+	 */
+	protected function hide_comments( $html ) {
+		$html = preg_replace( '#<!--\s*noptimize\s*-->.*?<!--\s*/\s*noptimize\s*-->#is', '', $html );
+		$html = preg_replace( '/<!--(.*)-->/Uis', '', $html );
+
+		return $html;
+	}
+}