From 5034244620a4e8de54769c13d3de71ea290d1fab Mon Sep 17 00:00:00 2001
From: Domenico Iezzi <domenico.iezzi.201@gmail.com>
Date: Thu, 19 Oct 2017 17:51:03 +0200
Subject: [PATCH] Build request params with current device data

Login and Auth parameters are built using device selected in
deviceBuilder object. Also got rid of an unused parameter client_sig.
---
 gpapi/config.py     | 26 ++++++++++++++++++++++++++
 gpapi/googleplay.py | 31 ++-----------------------------
 2 files changed, 28 insertions(+), 29 deletions(-)

diff --git a/gpapi/config.py b/gpapi/config.py
index 4e2c653..fd6fa98 100644
--- a/gpapi/config.py
+++ b/gpapi/config.py
@@ -14,6 +14,7 @@ DFE_TARGETS = "CAEScFfqlIEG6gUYogFWrAISK1WDAg+hAZoCDgIU1gYEOIACFkLMAeQBnASLATlAS
 LANG = "en_US"
 TIMEZONE = 'America/New_York'
 GOOGLE_PUBKEY = "AAAAgMom/1a/v0lblO2Ubrt60J2gcuXSljGFQXgcyZWveWLEwo6prwgi3iJIZdodyhKZQrNWp5nKJ3srRXcUW+F1BD3baEVGcmEgqaLZUNBjm057pKRI16kB0YppeGx5qIQ5QjKzsR8ETQbKLNWgRY0QRNVz34kMJR3P/LgHax/6rmf5AAAAAwEAAQ=="
+ACCOUNT = "HOSTED_OR_GOOGLE"
 
 # parse phone config from the file 'device.properties'.
 # if you want to add another phone, just create another section in
@@ -65,6 +66,31 @@ class DeviceBuilder(object):
                            hardware=self.device['build.hardware'],
                            product=self.device['build.product'])
 
+    def getAuthParams(self, email, passwd):
+        return {"Email": email,
+                "EncryptedPasswd": passwd,
+                "accountType": ACCOUNT,
+                "has_permission": "1",
+                "source": "android",
+                "device_country": LANG[0:2],
+                "service": "androidmarket",
+                "app": "com.android.vending",
+                "lang": LANG,
+                "sdk_version": self.device['build.version.sdk_int']}
+
+    def getLoginParams(self, email, encryptedPass):
+        return {"Email": email,
+                "EncryptedPasswd": encryptedPass,
+                "service": "ac2dm",
+                "add_account": "1",
+                "accountType": ACCOUNT,
+                "has_permission": "1",
+                "app": "com.google.android.gsf",
+                "source": "android",
+                "device_country": LANG[0:2],
+                "lang": LANG,
+                "sdk_version": self.device['build.version.sdk_int']}
+
     def getAndroidCheckinRequest(self):
         request = googleplay_pb2.AndroidCheckinRequest()
         request.id = 0
diff --git a/gpapi/googleplay.py b/gpapi/googleplay.py
index 88e40de..48890bd 100644
--- a/gpapi/googleplay.py
+++ b/gpapi/googleplay.py
@@ -44,12 +44,10 @@ class GooglePlayAPI(object):
     SEARCHURL = FDFE + "search"
     CHECKINURL = BASE + "checkin"
     AUTHURL = BASE + "auth"
-    ACCOUNT = "HOSTED_OR_GOOGLE"
 
     def __init__(self, debug=False, device_codename='bacon'):
         self.authSubToken = None
         self.gsfId = None
-        self.lang = config.LANG
         self.debug = debug
         self.deviceBuilder = config.DeviceBuilder(device_codename)
 
@@ -152,20 +150,7 @@ class GooglePlayAPI(object):
 
             encryptedPass = self.encrypt_password(email, password).decode('utf-8')
             # AC2DM token
-            params = {
-                "Email": email,
-                "EncryptedPasswd": encryptedPass,
-                "service": "ac2dm",
-                "add_account": "1",
-                "accountType": self.ACCOUNT,
-                "has_permission": "1",
-                "app": "com.google.android.gsf",
-                "source": "android",
-                "device_country": "en",
-                "lang": self.lang,
-                "sdk_version": "25",
-                "client_sig": "38918a453d07199354f8b19af05ec6562ced5788"
-            }
+            params = self.deviceBuilder.getLoginParams(email, encryptedPass)
             response = requests.post(self.AUTHURL, data=params, verify=ssl_verify)
             data = response.text.split()
             params = {}
@@ -202,19 +187,7 @@ class GooglePlayAPI(object):
             raise LoginError('Either (email,pass) or (gsfId, authSubToken) is needed')
 
     def getAuthSubToken(self, email, passwd):
-        params = {
-            "Email": email,
-            "EncryptedPasswd": passwd,
-            "accountType": self.ACCOUNT,
-            "has_permission": "1",
-            "source": "android",
-            "device_country": "en",
-            "service": "androidmarket",
-            "app": "com.android.vending",
-            "lang": self.lang,
-            "sdk_version": "25",
-            "client_sig": "38918a453d07199354f8b19af05ec6562ced5788"
-        }
+        params = self.deviceBuilder.getAuthParams(email, passwd)
         response = requests.post(self.AUTHURL, data=params, verify=ssl_verify)
         data = response.text.split()
         params = {}