From e4a7dd9831dbd911265b305af5bcd16f2305d909 Mon Sep 17 00:00:00 2001
From: Hykilpikonna <me@hydev.org>
Date: Wed, 10 Aug 2022 22:10:49 -0400
Subject: [PATCH] [+] dotdotbuy signing

---
 dotdotbuy_auth.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 dotdotbuy_auth.py

diff --git a/dotdotbuy_auth.py b/dotdotbuy_auth.py
new file mode 100644
index 0000000..e773061
--- /dev/null
+++ b/dotdotbuy_auth.py
@@ -0,0 +1,21 @@
+import hashlib
+import hmac
+import time
+
+
+KEY = 'yaA9pBTwBdTDYz6ruLiJOI8jkijJ3Vs3'
+
+
+def sign_params(params: dict[str, str]):
+    # Add useless keys
+    params.update({
+        'platform': 'MeowOS', 'appVersion': '114.514', 'apiVersion': '3.0.0', 'language': 'cn',
+        'currency': 'CNY', 'appName': 'owo', 'timestamp': str(int(round(time.time() * 1000)))
+    })
+
+    # Add signature
+    signed_keys = ['userId', 'accessToken', 'platform', 'appVersion', 'apiVersion', 'language', 'currency', 'appName', 'timestamp']
+    raw = '&'.join(f'{k}:{params[k]}' for k in sorted(signed_keys))
+    params['signature'] = hashlib.md5((KEY + raw + KEY).encode('utf-8')).hexdigest().upper()
+    params['signMethod'] = 'md5'
+    return params