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wp-content/plugins/wp-smushit/core/class-upload-dir.php

@@ -0,0 +1,141 @@
+<?php
+
+namespace Smush\Core;
+
+class Upload_Dir {
+	private $wp_upload_dir;
+
+	private $root_path;
+
+	private $upload_path;
+
+	private $upload_rel_path;
+
+	private $upload_url;
+
+	/**
+	 * @return array
+	 */
+	private function get_wp_upload_dir() {
+		if ( is_null( $this->wp_upload_dir ) ) {
+			$this->wp_upload_dir = $this->prepare_wp_upload_dir();
+		}
+
+		return $this->wp_upload_dir;
+	}
+
+	/**
+	 * @return mixed
+	 */
+	private function get_root_path() {
+		if ( is_null( $this->root_path ) ) {
+			$this->root_path = $this->prepare_root_path();
+		}
+
+		return $this->root_path;
+	}
+
+	/**
+	 * @return mixed
+	 */
+	public function get_upload_path() {
+		if ( is_null( $this->upload_path ) ) {
+			$this->upload_path = $this->prepare_upload_path();
+		}
+
+		return $this->upload_path;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_upload_rel_path() {
+		if ( is_null( $this->upload_rel_path ) ) {
+			$this->upload_rel_path = $this->prepare_upload_rel_path();
+		}
+
+		return $this->upload_rel_path;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_upload_url() {
+		if ( is_null( $this->upload_url ) ) {
+			$this->upload_url = $this->prepare_upload_url();
+		}
+
+		return $this->upload_url;
+	}
+
+	private function prepare_upload_path() {
+		$upload = $this->get_wp_upload_dir();
+
+		return untrailingslashit( $upload['basedir'] );
+	}
+
+	private function prepare_upload_rel_path() {
+		$root_path = $this->get_root_path();
+
+		return str_replace( $root_path, '', $this->get_upload_path() );
+	}
+
+	private function prepare_upload_url() {
+		$upload = $this->get_wp_upload_dir();
+
+		return untrailingslashit( $upload['baseurl'] );
+	}
+
+	private function prepare_wp_upload_dir() {
+		if ( ! is_multisite() || is_main_site() ) {
+			$upload = wp_upload_dir();
+		} else {
+			// Use the main site's upload directory for all subsite's webp converted images.
+			// This makes it easier to have a single rule on the server configs for serving webp in mu.
+			$blog_id = get_main_site_id();
+			switch_to_blog( $blog_id );
+			$upload = wp_upload_dir();
+			restore_current_blog();
+		}
+
+		return $upload;
+	}
+
+	protected function prepare_root_path() {
+		// Is it possible that none of the following conditions are met?
+		$root_path = '';
+
+		// Get the Document root path. There must be a better way to do this.
+		// For example, /srv/www/site/public_html for /srv/www/site/public_html/wp-content/uploads.
+		if ( 0 === strpos( $this->get_upload_path(), ABSPATH ) ) {
+			// Environments like Flywheel have an ABSPATH that's not used in the paths.
+			$root_path = ABSPATH;
+		} elseif ( ! empty( $_SERVER['DOCUMENT_ROOT'] ) && 0 === strpos( $this->get_upload_path(), wp_unslash( $_SERVER['DOCUMENT_ROOT'] ) ) ) {
+			/**
+			 * This gets called when scanning for uncompressed images.
+			 * When ran from certain contexts, $_SERVER['DOCUMENT_ROOT'] might not be set.
+			 *
+			 * We are removing this part from the path later on.
+			 */
+			$root_path = realpath( wp_unslash( $_SERVER['DOCUMENT_ROOT'] ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
+		} elseif ( 0 === strpos( $this->get_upload_path(), dirname( WP_CONTENT_DIR ) ) ) {
+			// We're assuming WP_CONTENT_DIR is only one level deep into the document root.
+			// This might not be true in customized sites. A bit edgy.
+			$root_path = dirname( WP_CONTENT_DIR );
+		}
+
+		$root_path = untrailingslashit( $root_path );
+
+		/**
+		 * Filters the Document root path used to get relative paths for webp rules.
+		 * Hopefully of help for debugging and SLS.
+		 *
+		 * @since 3.9.0
+		 */
+		return apply_filters( 'smush_webp_rules_root_path_base', $root_path );
+	}
+
+	public function get_human_readable_path( $full_path ) {
+		return str_replace( WP_CONTENT_DIR, '', $full_path );
+	}
+}