Update common.php

.gitignore

@@ -24,6 +24,7 @@ pkg/*
 nps-backup/*
 decrypted-files/*
 gameinfo/*
+dl4u/*
 
 # php-proxy, unrelated to psmreborn
 1337/*

common.php

@@ -7,10 +7,25 @@ function update_rifs()
 
 	if(time() > $npsTime + 60)
 	{
-		rename("NpsPsm.tsv","nps-backup/NpsPsm_".strval($npsTime).".tsv");
-		rename("NpsPendingPsm.tsv","nps-backup/NpsPendingPsm_".strval($npsPendingTime).".tsv");
-		file_put_contents("NpsPsm.tsv", file_get_contents("http://nopaystation.com/tsv/PSM_GAMES.tsv"));
-		file_put_contents("NpsPendingPsm.tsv", file_get_contents("https://nopaystation.com/tsv/pending/PSM_GAMES.tsv"));
+		$nps_psm_games = file_get_contents("http://nopaystation.com/tsv/PSM_GAMES.tsv");
+		$nps_psm_pending = file_get_contents("https://nopaystation.com/tsv/pending/PSM_GAMES.tsv");
+		
+		$nps_psm_md5 = md5(file_get_contents("NpsPsm.tsv"), false);
+		$nps_psm_pending_md5 = md5(file_get_contents("NpsPendingPsm.tsv"), false);
+		
+		$nps_backup_path = "nps-backup/NpsPsm_".$nps_psm_md5.".tsv";
+		$nps_pending_backup_path = "nps-backup/NpsPendingPsm_".$nps_psm_pending_md5.".tsv";
+		
+		if(!file_exists($nps_backup_path)) {
+			rename("NpsPsm.tsv", $nps_backup_path);
+		}
+		
+		if(!file_exists($nps_pending_backup_path)) {
+			rename("NpsPendingPsm.tsv", $nps_pending_backup_path);
+		}
+		
+		file_put_contents("NpsPsm.tsv", $nps_psm_games);
+		file_put_contents("NpsPendingPsm.tsv", $nps_psm_pending);
 	}
 }
 update_rifs();