Init Commit

sdgb/authlite.py

@@ -0,0 +1,44 @@
+import dataclasses
+from Crypto.Cipher import AES
+from Crypto.Util.Padding import pad
+import base64
+import urllib3
+
+def enc(key, iv, data):
+    cipher = AES.new(key, AES.MODE_CBC, iv)
+    encrypted = cipher.encrypt(data)
+    return encrypted
+
+def dec(key, iv ,data):
+    de_cipher = AES.new(key, AES.MODE_CBC, iv)
+    decrypted = de_cipher.decrypt(data)
+    return decrypted
+
+def hello():
+    key = bytes([ 47, 63, 106, 111, 43, 34, 76, 38, 92, 67, 114, 57, 40, 61, 107, 71 ])
+    #key = bytes([ 45, 97, 53, 55, 85, 88, 52, 121, 57, 47, 104, 40, 73, 109, 65, 81 ])
+    iv = bytes.fromhex('00000000000000000000000000000000')
+    ua = 'SDGB;Windows/Lite'  
+    #ua = 'SDHJ;Windows/Lite'
+    content = bytes([0] * 16) + b'title_id=SDGB&title_ver=1.41&client_id=A63E01C2805&token=205648745'
+    #content = bytes([0] * 16) + b'title_id=SDHJ&title_ver=1.11&client_id=A63E01E1326&token=205648745'
+    header = bytes.fromhex('00000000000000000000000000000000')
+    bytes_data = pad(header + content, 16) 
+    encrypted = enc(key, iv, bytes_data)
+    http = urllib3.PoolManager()
+    r = http.request(
+        'POST',
+        'http://at.sys-allnet.cn/net/delivery/instruction',
+        body=encrypted,
+        headers={
+            'User-Agent': ua,
+            'Pragma': 'DFI'
+        }
+    )
+    resp_data = r.data
+    decrypted = dec(key, resp_data[:16], resp_data)
+    decrypted_bytes = decrypted[16:]
+    decrypted_str = decrypted_bytes.decode('UTF-8')
+    print(decrypted_str)
+
+hello()