first commit

wp-content/plugins/mailchimp-for-wp/includes/admin/migrations/4.0.7-rename-debug-log-file.php

@@ -0,0 +1,33 @@
+<?php
+
+defined( 'ABSPATH' ) or exit;
+
+// get old log filename
+$upload_dir   = wp_upload_dir( null, false );
+$old_filename = trailingslashit( $upload_dir['basedir'] ) . 'mc4wp-debug.log';
+$new_filename = trailingslashit( $upload_dir['basedir'] ) . 'mc4wp-debug-log.php';
+
+// check if old default log file exists
+if ( ! file_exists( $old_filename ) ) {
+	return;
+}
+
+// rename to new file.
+@rename( $old_filename, $new_filename );
+
+// if success, insert php exit tag as first line
+if ( file_exists( $new_filename ) ) {
+	$handle = fopen( $new_filename, 'r+' );
+
+	if ( is_resource( $handle ) ) {
+		// make sure first line of log file is a PHP tag + exit statement (to prevent direct file access)
+		$line            = fgets( $handle );
+		$php_exit_string = '<?php exit; ?>';
+		if ( strpos( $line, $php_exit_string ) !== 0 ) {
+			rewind( $handle );
+			fwrite( $handle, $php_exit_string . PHP_EOL . $line );
+		}
+
+		fclose( $handle );
+	}
+}