From 8b5bb5d7840cdc4edf7307fddbba3965a1222023 Mon Sep 17 00:00:00 2001
From: Nikita Sinelnikov <nsinelnikov.work@gmail.com>
Date: Tue, 13 Dec 2022 15:52:57 +0200
Subject: [PATCH] - fixed #1082; - used wp_mkdir to avoid the filesystem
 conflict;

---
 includes/admin/core/class-admin-settings.php | 12 +++++-----
 includes/core/class-mail.php                 | 25 +++++++-------------
 2 files changed, 14 insertions(+), 23 deletions(-)

diff --git a/includes/admin/core/class-admin-settings.php b/includes/admin/core/class-admin-settings.php
index 50f8c98a..aaa0b977 100644
--- a/includes/admin/core/class-admin-settings.php
+++ b/includes/admin/core/class-admin-settings.php
@@ -3457,7 +3457,6 @@ Use Only Cookies:         			<?php echo ini_get( 'session.use_only_cookies' ) ?
 		 * @return array
 		 */
 		function save_email_templates( $settings ) {
-
 			if ( empty( $settings['um_email_template'] ) ) {
 				return $settings;
 			}
@@ -3466,16 +3465,17 @@ Use Only Cookies:         			<?php echo ini_get( 'session.use_only_cookies' ) ?
 			$content = wp_kses_post( stripslashes( $settings[ $template ] ) );
 
 			$theme_template_path = UM()->mail()->get_template_file( 'theme', $template );
-
 			if ( ! file_exists( $theme_template_path ) ) {
 				UM()->mail()->copy_email_template( $template );
 			}
 
-			$fp = fopen( $theme_template_path, "w" );
-			$result = fputs( $fp, $content );
-			fclose( $fp );
+			if ( file_exists( $theme_template_path ) ) {
+				$fp = fopen( $theme_template_path, "w" );
+				$result = fputs( $fp, $content );
+				fclose( $fp );
+			}
 
-			if ( $result !== false ) {
+			if ( isset( $result ) && $result !== false ) {
 				unset( $settings['um_email_template'] );
 				unset( $settings[ $template ] );
 			}
diff --git a/includes/core/class-mail.php b/includes/core/class-mail.php
index bef34181..e7c7b288 100644
--- a/includes/core/class-mail.php
+++ b/includes/core/class-mail.php
@@ -552,28 +552,19 @@ if ( ! class_exists( 'um\core\Mail' ) ) {
 		 * @return bool
 		 */
 		function copy_email_template( $template ) {
-
 			$in_theme = $this->template_in_theme( $template );
 			if ( $in_theme ) {
 				return false;
 			}
 
-			$plugin_template_path = $this->get_template_file( 'plugin', $template );
-			$theme_template_path = $this->get_template_file( 'theme', $template );
+			$plugin_template_path = wp_normalize_path( $this->get_template_file( 'plugin', $template ) );
+			$theme_template_path  = wp_normalize_path( $this->get_template_file( 'theme', $template ) );
+			$template_filename    = $this->get_template_filename( $template ) . '.php';
 
-			$temp_path = str_replace( trailingslashit( get_stylesheet_directory() ), '', $theme_template_path );
-			$temp_path = str_replace( '/', DIRECTORY_SEPARATOR, $temp_path );
-			$folders = explode( DIRECTORY_SEPARATOR, $temp_path );
-			$folders = array_splice( $folders, 0, count( $folders ) - 1 );
-			$cur_folder = '';
-			$theme_dir = trailingslashit( get_stylesheet_directory() );
-
-			foreach ( $folders as $folder ) {
-				$prev_dir = $cur_folder;
-				$cur_folder .= $folder . DIRECTORY_SEPARATOR;
-				if ( ! is_dir( $theme_dir . $cur_folder ) && wp_is_writable( $theme_dir . $prev_dir ) ) {
-					mkdir( $theme_dir . $cur_folder, 0777 );
-				}
+			$template_dir = wp_normalize_path( str_replace( $template_filename, '', $theme_template_path ) );
+			$result       = wp_mkdir_p( $template_dir );
+			if ( ! $result ) {
+				return false;
 			}
 
 			if ( file_exists( $plugin_template_path ) && copy( $plugin_template_path, $theme_template_path ) ) {
@@ -621,4 +612,4 @@ if ( ! class_exists( 'um\core\Mail' ) ) {
 			return $replace_placeholders;
 		}
 	}
-}
\ No newline at end of file
+}