Custom TLS Cipher

main.py

@@ -2,29 +2,32 @@
 import argparse
 import glob
 import json
+import logging
 import os
 import re
 import subprocess
 import sys
 import time
+from html.parser import HTMLParser as compat_HTMLParser
+from pathlib import Path
 from typing import IO
+
 import cloudscraper
 import m3u8
 import requests
 import yt_dlp
-import logging
+from bs4 import BeautifulSoup
-from constants import *
 from coloredlogs import ColoredFormatter
-from pathlib import Path
-from html.parser import HTMLParser as compat_HTMLParser
 from dotenv import load_dotenv
+from pathvalidate import sanitize_filename
 from requests.exceptions import ConnectionError as conn_error
 from tqdm import tqdm
+
+from _version import __version__
+from constants import *
+from tls import SSLCiphers
 from utils import extract_kid
 from vtt_to_srt import convert
-from _version import __version__
-from bs4 import BeautifulSoup
-from pathvalidate import sanitize_filename
 
 retry = 3
 cookies = ""
@@ -790,6 +793,12 @@ class Session(object):
     def __init__(self):
         self._headers = HEADERS
         self._session = requests.sessions.Session()
+        self._sesion.mount(
+            "https://",
+            SSLCiphers(
+                cipher_list="ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:AES256-SH"
+            ),
+        )
 
     def _set_auth_headers(self, bearer_token=""):
         self._headers["Authorization"] = "Bearer {}".format(bearer_token)
@@ -1026,7 +1035,76 @@ def handle_segments(url, format_id, video_title, output_path, lecture_file_name,
     # for french language among others, this characters cause problems with shaka-packager resulting in decryption failure
     # https://github.com/Puyodead1/udemy-downloader/issues/137
     # Thank to cutecat !
-    file_name = file_name.replace("é", "e").replace("è", "e").replace("à", "a").replace("À", "A").replace("à", "a").replace("Á", "A").replace("á", "a").replace("Â", "a").replace("â", "a").replace("Ã", "A").replace("ã", "a").replace("Ä", "A").replace("ä", "a").replace("Å", "A").replace("å", "a").replace("Æ", "AE").replace("æ", "ae").replace("Ç", "C").replace("ç", "c").replace("Ð", "D").replace("ð", "o").replace("È", "E").replace("è", "e").replace("É", "e").replace("Ê", "e").replace("ê", "e").replace("Ë", "E").replace("ë", "e").replace("Ì", "I").replace("ì", "i").replace("Í", "I").replace("í", "I").replace("Î", "I").replace("î", "i").replace("Ï", "I").replace("ï", "i").replace("Ñ", "N").replace("ñ", "n").replace("Ò", "O").replace("ò", "o").replace("Ó", "O").replace("ó", "o").replace("Ô", "O").replace("ô", "o").replace("Õ", "O").replace("õ", "o").replace("Ö", "o").replace("ö", "o").replace("œ", "oe").replace("Œ", "OE").replace("Ø", "O").replace("ø", "o").replace("ß", "B").replace("Ù", "U").replace("ù", "u").replace("Ú", "U").replace("ú", "u").replace("Û", "U").replace("û", "u").replace("Ü", "U").replace("ü", "u").replace("Ý", "Y").replace("ý", "y").replace("Þ", "P").replace("þ", "P").replace("Ÿ", "Y").replace("ÿ", "y").replace("%", "")
+    file_name = (
+        file_name.replace("é", "e")
+        .replace("è", "e")
+        .replace("à", "a")
+        .replace("À", "A")
+        .replace("à", "a")
+        .replace("Á", "A")
+        .replace("á", "a")
+        .replace("Â", "a")
+        .replace("â", "a")
+        .replace("Ã", "A")
+        .replace("ã", "a")
+        .replace("Ä", "A")
+        .replace("ä", "a")
+        .replace("Å", "A")
+        .replace("å", "a")
+        .replace("Æ", "AE")
+        .replace("æ", "ae")
+        .replace("Ç", "C")
+        .replace("ç", "c")
+        .replace("Ð", "D")
+        .replace("ð", "o")
+        .replace("È", "E")
+        .replace("è", "e")
+        .replace("É", "e")
+        .replace("Ê", "e")
+        .replace("ê", "e")
+        .replace("Ë", "E")
+        .replace("ë", "e")
+        .replace("Ì", "I")
+        .replace("ì", "i")
+        .replace("Í", "I")
+        .replace("í", "I")
+        .replace("Î", "I")
+        .replace("î", "i")
+        .replace("Ï", "I")
+        .replace("ï", "i")
+        .replace("Ñ", "N")
+        .replace("ñ", "n")
+        .replace("Ò", "O")
+        .replace("ò", "o")
+        .replace("Ó", "O")
+        .replace("ó", "o")
+        .replace("Ô", "O")
+        .replace("ô", "o")
+        .replace("Õ", "O")
+        .replace("õ", "o")
+        .replace("Ö", "o")
+        .replace("ö", "o")
+        .replace("œ", "oe")
+        .replace("Œ", "OE")
+        .replace("Ø", "O")
+        .replace("ø", "o")
+        .replace("ß", "B")
+        .replace("Ù", "U")
+        .replace("ù", "u")
+        .replace("Ú", "U")
+        .replace("ú", "u")
+        .replace("Û", "U")
+        .replace("û", "u")
+        .replace("Ü", "U")
+        .replace("ü", "u")
+        .replace("Ý", "Y")
+        .replace("ý", "y")
+        .replace("Þ", "P")
+        .replace("þ", "P")
+        .replace("Ÿ", "Y")
+        .replace("ÿ", "y")
+        .replace("%", "")
+    )
     # commas cause problems with shaka-packager resulting in decryption failure
     file_name = file_name.replace(",", "")
     file_name = file_name.replace(".mp4", "")

tls.py

@@ -0,0 +1,28 @@
+import ssl
+from typing import Optional
+
+from requests.adapters import HTTPAdapter
+
+
+class SSLCiphers(HTTPAdapter):
+    """
+    Custom HTTP Adapter to change the TLS Cipher set, and therefore it's fingerprint.
+    """
+
+    def __init__(self, cipher_list: Optional[str] = None, *args, **kwargs):
+        ctx = ssl.create_default_context()
+        ctx.check_hostname = False  # For some reason this is needed to avoid a verification error
+        self._ssl_context = ctx
+        # You can set ciphers but Python's default cipher list should suffice.
+        # This cipher list differs to the default Python-requests one.
+        if cipher_list:
+            self._ssl_context.set_ciphers(cipher_list)
+        super().__init__(*args, **kwargs)
+
+    def init_poolmanager(self, *args, **kwargs):
+        kwargs["ssl_context"] = self._ssl_context
+        return super().init_poolmanager(*args, **kwargs)
+
+    def proxy_manager_for(self, *args, **kwargs):
+        kwargs["ssl_context"] = self._ssl_context
+        return super().proxy_manager_for(*args, **kwargs)