From 187dc26d02c13b1f68d9a02e7776728fc2cc3666 Mon Sep 17 00:00:00 2001
From: selfisekai <laura@selfisekai.rocks>
Date: Mon, 14 Sep 2020 00:10:13 +0200
Subject: [PATCH] randomized user agents

---
 librefi/fxckers/_common.py |  3 +-
 librefi/utils.py           | 60 ++++++++++++++++++++++++++++++++++++--
 2 files changed, 60 insertions(+), 3 deletions(-)

diff --git a/librefi/fxckers/_common.py b/librefi/fxckers/_common.py
index 03d6891..49cfcc3 100644
--- a/librefi/fxckers/_common.py
+++ b/librefi/fxckers/_common.py
@@ -7,6 +7,7 @@ from ..utils import get_user_agent
 class BaseFxcker:
     def __init__(self, logger, log_level):
         self.cookie_jar = CookieJar()
+        self.user_agent = get_user_agent()
         self.log = logger(key=self.FXCKER_KEY, log_level=log_level)
 
     @property
@@ -18,7 +19,7 @@ class BaseFxcker:
         if not kwargs.get("headers"):
             kwargs["headers"] = {}
         if not kwargs["headers"].get("User-Agent"):
-            kwargs["headers"]["User-Agent"] = get_user_agent()
+            kwargs["headers"]["User-Agent"] = self.user_agent
         if not kwargs.get("allow_redirects"):
             kwargs["allow_redirects"] = False
         self.log.info("Requesting " +
diff --git a/librefi/utils.py b/librefi/utils.py
index ba3c73a..8355694 100644
--- a/librefi/utils.py
+++ b/librefi/utils.py
@@ -7,8 +7,64 @@ import random
 
 
 def get_user_agent():
-    # TODO: randomize it
-    return "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36"
+    if bool(random.getrandbits(1)):
+        # Google Chrome
+        return ("Mozilla/5.0 ({platform}) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/{version} Safari/537.36"
+                ).format(platform=random.choice([
+                    "Windows NT 10.0; Win64; x64",
+                    "Windows NT 10.0; WOW64",
+                    "Windows NT 10.0",
+                ]), version=random.choice([
+                    # https://en.wikipedia.org/wiki/Google_Chrome_version_history
+                    # https://bin.ptrcnull.me/uruyewogug.js
+                    "64.0.3282",
+                    "65.0.3325",
+                    "66.0.3359",
+                    "67.0.3396",
+                    "68.0.3440",
+                    "69.0.3497",
+                    "70.0.3538",
+                    "71.0.3578",
+                    "72.0.3626",
+                    "73.0.3683",
+                    "74.0.3729",
+                    "75.0.3770",
+                    "76.0.3809",
+                    "77.0.3865",
+                    "78.0.3904",
+                    "79.0.3945",
+                    "80.0.3987",
+                    "81.0.4044",
+                    "83.0.4103",
+                    "84.0.4147",
+                    "85.0.4183",
+                    "86.0.4240",
+                    "87.0",
+                    "87.0",
+                ]))
+    else:
+        # Mozilla Firefox
+        return ("Mozilla/5.0 ({platform}; rv:{version}) Gecko/20100101 Firefox/{version}"
+                ).format(platform=random.choice([
+                    "Windows NT 10.0; Win64; x64",
+                    "Windows NT 10.0",
+                ]), version=random.choice([
+                    # https://www.mozilla.org/en-US/firefox/releases/
+                    # https://bin.ptrcnull.me/dijaboyewi.js
+                    "80.0",
+                    "79.0",
+                    "78.0",
+                    "77.0",
+                    "76.0",
+                    "75.0",
+                    "74.0",
+                    "73.0",
+                    "72.0",
+                    "71.0",
+                    "70.0",
+                    "69.0",
+                    "68.0",
+                ]))
 
 
 def get_email_address():