[adn] fix extraction

youtube_dl/extractor/adn.py

@@ -1,8 +1,11 @@
 # coding: utf-8
 from __future__ import unicode_literals
 
+import base64
+import binascii
 import json
 import os
+import random
 
 from .common import InfoExtractor
 from ..aes import aes_cbc_decrypt
@@ -12,9 +15,12 @@
 )
 from ..utils import (
     bytes_to_intlist,
+    bytes_to_long,
     ExtractorError,
     float_or_none,
     intlist_to_bytes,
+    long_to_bytes,
+    pkcs1pad,
     srt_subtitles_timecode,
     strip_or_none,
     urljoin,
@@ -35,6 +41,7 @@ class ADNIE(InfoExtractor):
         }
     }
     _BASE_URL = 'http://animedigitalnetwork.fr'
+    _RSA_KEY = (0xc35ae1e4356b65a73b551493da94b8cb443491c0aa092a357a5aee57ffc14dda85326f42d716e539a34542a0d3f363adf16c5ec222d713d5997194030ee2e4f0d1fb328c01a81cf6868c090d50de8e169c6b13d1675b9eeed1cbc51e1fffca9b38af07f37abd790924cd3bee59d0257cfda4fe5f3f0534877e21ce5821447d1b, 65537)
 
     def _get_subtitles(self, sub_path, video_id):
         if not sub_path:
@@ -42,16 +49,14 @@ def _get_subtitles(self, sub_path, video_id):
 
         enc_subtitles = self._download_webpage(
             urljoin(self._BASE_URL, sub_path),
-            video_id, fatal=False, headers={
-                'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:53.0) Gecko/20100101 Firefox/53.0',
-            })
+            video_id, fatal=False)
         if not enc_subtitles:
             return None
 
         # http://animedigitalnetwork.fr/components/com_vodvideo/videojs/adn-vjs.min.js
         dec_subtitles = intlist_to_bytes(aes_cbc_decrypt(
             bytes_to_intlist(compat_b64decode(enc_subtitles[24:])),
-            bytes_to_intlist(b'\xc8\x6e\x06\xbc\xbe\xc6\x49\xf5\x88\x0d\xc8\x47\xc4\x27\x0c\x60'),
+            bytes_to_intlist(binascii.unhexlify(self._K + '9032ad7083106400')),
             bytes_to_intlist(compat_b64decode(enc_subtitles[:24]))
         ))
         subtitles_json = self._parse_json(
@@ -112,11 +117,24 @@ def _real_extract(self, url):
         error = None
         if not links:
             links_url = player_config.get('linksurl') or options['videoUrl']
-            links_data = self._download_json(urljoin(
-                self._BASE_URL, links_url), video_id)
+            token = options['token']
+            self._K = ''.join([random.choice('0123456789abcdef') for _ in range(16)])
+            message = bytes_to_intlist(json.dumps({
+                'k': self._K,
+                'e': 60,
+                't': token,
+            }))
+            padded_message = intlist_to_bytes(pkcs1pad(message, 128))
+            n, e = self._RSA_KEY
+            encrypted_message = long_to_bytes(pow(bytes_to_long(padded_message), e, n))
+            authorization = base64.b64encode(encrypted_message).decode()
+            links_data = self._download_json(
+                urljoin(self._BASE_URL, links_url), video_id, headers={
+                    'Authorization': 'Bearer ' + authorization,
+                })
             links = links_data.get('links') or {}
             metas = metas or links_data.get('meta') or {}
-            sub_path = sub_path or links_data.get('subtitles')
+            sub_path = (sub_path or links_data.get('subtitles')) + '&token=' + token
             error = links_data.get('error')
         title = metas.get('title') or video_info['title']