From 0054ea206709fc39e04559949297479bb0ed9d52 Mon Sep 17 00:00:00 2001
From: Rossen Georgiev <rossen@rgp.io>
Date: Thu, 11 Feb 2021 22:27:24 +0000
Subject: [PATCH] refactor decrypt_filenames() for speed
---
steam/core/manifest.py | 23 +++++++----------------
1 file changed, 7 insertions(+), 16 deletions(-)
diff --git a/steam/core/manifest.py b/steam/core/manifest.py
index 8880de2..8bea8ab 100644
--- a/steam/core/manifest.py
+++ b/steam/core/manifest.py
@@ -190,23 +190,14 @@ class DepotManifest(object):
if not self.metadata.filenames_encrypted:
return
- for mapping in self.payload.mappings:
- filename = b64decode(mapping.filename)
-
- if mapping.linktarget:
- linktarget = b64decode(mapping.linktarget)
-
- try:
- filename = symmetric_decrypt(filename, depot_key)
- if mapping.linktarget:
- linktarget = symmetric_decrypt(linktarget, depot_key)
- except Exception:
- raise RuntimeError("Unable to decrypt filename for depot manifest")
-
- mapping.filename = filename
+ try:
+ for m in self.payload.mappings:
+ m.filename = symmetric_decrypt(b64decode(m.filename), depot_key)
- if mapping.linktarget:
- mapping.linktarget = linktarget
+ if m.linktarget:
+ m.linktarget = symmetric_decrypt(b64decode(m.linktarget), depot_key)
+ except Exception:
+ raise RuntimeError("Unable to decrypt filename for depot manifest")
self.metadata.filenames_encrypted = False