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errors ) && $wp_filesystem->errors->has_errors() ) { $status['error'] = esc_html( $wp_filesystem->errors->get_error_message() ); } wp_send_json_error( $status ); } } /** * Tries to write file content * * @param string $filename path to file * @param string $content data to write * @param string $method Which method to use when creating * @param string $url Where to redirect after creation * @param bool|string $context folder in which to write file * @throws Util_WpFile_FilesystemWriteException * @return void */ static public function write_to_file( $filename, $content ) { $chmod = 0644; if ( defined( 'FS_CHMOD_FILE' ) ) { $chmod = FS_CHMOD_FILE; } if ( @file_put_contents( $filename, $content ) ) { @chmod( $filename, $chmod ); return; } try { self::request_filesystem_credentials(); } catch ( Util_WpFile_FilesystemOperationException $ex ) { throw new Util_WpFile_FilesystemWriteException( $ex->getMessage(), $ex->credentials_form(), $filename, $content ); } global $wp_filesystem; if ( ! $wp_filesystem->put_contents( $filename, $content, $chmod ) ) { throw new Util_WpFile_FilesystemWriteException( 'FTP credentials don\'t allow to write to file ' . $filename . '', self::get_filesystem_credentials_form(), $filename, $content ); } } /** * Copy file using WordPress filesystem functions. * * @param unknown $source_filename * @param unknown $destination_filename * @param string $method Which method to use when creating * @param string $url Where to redirect after creation * @param bool|string $context folder to copy files too * @throws Util_WpFile_FilesystemCopyException */ static public function copy_file( $source_filename, $destination_filename ) { $contents = @file_get_contents( $source_filename ); if ( $contents ) { @file_put_contents( $destination_filename, $contents ); } if ( @file_exists( $destination_filename ) ) { if ( @file_get_contents( $destination_filename ) == $contents ) return; } try { self::request_filesystem_credentials(); } catch ( Util_WpFile_FilesystemOperationException $ex ) { throw new Util_WpFile_FilesystemCopyException( $ex->getMessage(), $ex->credentials_form(), $source_filename, $destination_filename ); } global $wp_filesystem; if ( !$wp_filesystem->put_contents( $destination_filename, $contents, FS_CHMOD_FILE ) ) { throw new Util_WpFile_FilesystemCopyException( 'FTP credentials don\'t allow to copy to file ' . $destination_filename . '', self::get_filesystem_credentials_form(), $source_filename, $destination_filename ); } } /** * * * @param unknown $folder * @param string $method Which method to use when creating * @param string $url Where to redirect after creation * @param bool|string $context folder to create folder in * @throws Util_WpFile_FilesystemMkdirException */ static private function create_folder( $folder, $from_folder ) { if ( @is_dir( $folder ) ) return; if ( Util_File::mkdir_from_safe( $folder, $from_folder ) ) return; try { self::request_filesystem_credentials(); } catch ( Util_WpFile_FilesystemOperationException $ex ) { throw new Util_WpFile_FilesystemMkdirException( $ex->getMessage(), $ex->credentials_form(), $folder ); } global $wp_filesystem; if ( !$wp_filesystem->mkdir( $folder, FS_CHMOD_DIR ) ) { throw new Util_WpFile_FilesystemMkdirException( 'FTP credentials don\'t allow to create folder ' . $folder . '', self::get_filesystem_credentials_form(), $folder ); } } /** * * * @param unknown $folder * @param string $method Which method to use when creating * @param string $url Where to redirect after creation * @param bool|string $context folder to create folder in * @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials * @throws FileOperationException */ static public function create_writeable_folder( $folder, $from_folder ) { self::create_folder( $folder, $from_folder ); $permissions = array( 0755, 0775, 0777 ); for ( $set_index = 0; $set_index < count( $permissions ); $set_index++ ) { if ( is_writable( $folder ) ) break; self::chmod( $folder, $permissions[$set_index] ); } } /** * * * @param unknown $folder * @param string $method Which method to use when creating * @param string $url Where to redirect after creation * @param bool|string $context path folder where delete folders resides * @throws Util_WpFile_FilesystemRmdirException */ static public function delete_folder( $folder ) { if ( !@is_dir( $folder ) ) return; Util_File::rmdir( $folder ); if ( !@is_dir( $folder ) ) return; try { self::request_filesystem_credentials(); } catch ( Util_WpFile_FilesystemOperationException $ex ) { throw new Util_WpFile_FilesystemRmdirException( $ex->getMessage(), $ex->credentials_form(), $folder ); } global $wp_filesystem; if ( !$wp_filesystem->rmdir( $folder ) ) { throw new Util_WpFile_FilesystemRmdirException( __( 'FTP credentials don\'t allow to delete folder ', 'w3-total-cache' ) . '' . $folder . '', self::get_filesystem_credentials_form(), $folder ); } } /** * * * @param string $filename * @param int $permission * @return void * @throws Util_WpFile_FilesystemChmodException */ static private function chmod( $filename, $permission ) { if ( @chmod( $filename, $permission ) ) return; try { self::request_filesystem_credentials(); } catch ( Util_WpFile_FilesystemOperationException $ex ) { throw new Util_WpFile_FilesystemChmodException( $ex->getMessage(), $ex->credentials_form(), $filename, $permission ); } global $wp_filesystem; if ( !$wp_filesystem->chmod( $filename, $permission, true ) ) { throw new Util_WpFile_FilesystemChmodException( __( 'FTP credentials don\'t allow to chmod ', 'w3-total-cache' ) . '' . $filename . '', self::get_filesystem_credentials_form(), $filename, $permission ); } return true; } /** * * * @param unknown $file * @param string $method * @param string $url * @param bool|string $context folder where file to be deleted resides * @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials */ static public function delete_file( $filename ) { if ( !@file_exists( $filename ) ) return; if ( @unlink( $filename ) ) return; try { self::request_filesystem_credentials(); } catch ( Util_WpFile_FilesystemOperationException $ex ) { throw new Util_WpFile_FilesystemRmException( $ex->getMessage(), $ex->credentials_form(), $filename ); } global $wp_filesystem; if ( !$wp_filesystem->delete( $filename ) ) { throw new Util_WpFile_FilesystemRmException( __( 'FTP credentials don\'t allow to delete ', 'w3-total-cache' ) . '' . $filename . '', self::get_filesystem_credentials_form(), $filename ); } } /** * Get WordPress filesystems credentials. Required for WP filesystem usage. * * @param string $method Which method to use when creating * @param string $url Where to redirect after creation * @param bool|string $context path to folder that should be have filesystem credentials. * If false WP_CONTENT_DIR is assumed * @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials */ private static function request_filesystem_credentials( $method = '', $url = '', $context = false ) { if ( strlen( $url ) <= 0 ) { $url = isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : ''; } $url = preg_replace( '/&w3tc_note=([^&]+)/', '', $url ); // Ensure request_filesystem_credentials() is available. require_once ABSPATH . 'wp-admin/includes/file.php'; require_once ABSPATH . 'wp-admin/includes/template.php'; $success = true; ob_start(); if ( false === ( $creds = request_filesystem_credentials( $url, $method, false, $context, array() ) ) ) { $success = false; } $form = ob_get_contents(); ob_end_clean(); ob_start(); // If first check failed try again and show error message if ( !WP_Filesystem( $creds ) && $success ) { request_filesystem_credentials( $url, $method, true, false, array() ); $success = false; $form = ob_get_contents(); } ob_end_clean(); $error = ''; if ( preg_match( "/(.+)<\/div>/", $form, $matches ) ) { $error = $matches[2]; $form = str_replace( $matches[0], '', $form ); } if ( !$success ) { throw new Util_WpFile_FilesystemOperationException( $error, $form ); } } /** * * * @param string $method * @param string $url * @param bool|string $context * @return Util_WpFile_FilesystemOperationException with S/FTP form */ static private function get_filesystem_credentials_form( $method = '', $url = '', $context = false ) { // Ensure request_filesystem_credentials() is available. require_once ABSPATH . 'wp-admin/includes/file.php'; require_once ABSPATH . 'wp-admin/includes/template.php'; ob_start(); // If first check failed try again and show error message request_filesystem_credentials( $url, $method, true, false, array() ); $success = false; $form = ob_get_contents(); ob_end_clean(); $error = ''; if ( preg_match( "/(.+)<\/div>/", $form, $matches ) ) { $form = str_replace( $matches[0], '', $form ); } $form = str_replace( '