Update user agent

[youtube-cgi] / youtube.cgi

diff --git a/youtube.cgi b/youtube.cgi
index 33bb29a105d46ae8499b15a23203709816062411..0aadef35e5885458ec97282c27bfb2465cd9a375 100755 (executable)
--- a/youtube.cgi
+++ b/youtube.cgi
@@ -15,7 +15,7 @@ import urllib.parse
 import urllib.request
 
 
-USER_AGENT = "Mozilla/5.0 (X11; Linux x86_64; rv:67.0) Gecko/20100101 Firefox/67.0"
+USER_AGENT = "Mozilla/5.0 (X11; Linux x86_64; rv:82.0) Gecko/20100101 Firefox/82.0"
 
 MIMETYPES = {
     "video/mp4": "mp4",
@@ -108,7 +108,8 @@ def urlopen(url, offset=None):
 def validate_url(url):
     parsed_url = urllib.parse.urlparse(url)
     scheme_ok = parsed_url.scheme == "https"
-    host_ok = parsed_url.netloc.lstrip("www.") in ["youtube.com", "youtu.be"]
+    host = parsed_url.netloc.lstrip("www.").lstrip("m.")
+    host_ok = host in ["youtube.com", "youtu.be"]
 
     if scheme_ok and host_ok:
         return
@@ -130,15 +131,20 @@ def append_to_qs(url, params):
     return url
 
 def get_player_config(scripts):
-    player_config = None
+    config_strings = [
+        ("ytplayer.config = {", 1, "};", 1),
+        ("ytcfg.set({\"", 2, "});", 1),
+    ]
+    player_config = {}
     for script in scripts:
         for line in script.split("\n"):
-            s = "ytplayer.config = {"
-            if s in line:
-                p1 = line.find(s) + len(s) - 1
-                p2 = line.find("};", p1) + 1
-                if p1 >= 0 and p2 > 0:
-                    return json.loads(line[p1:p2])
+            for s1, off1, s2, off2 in config_strings:
+                if s1 in line:
+                    p1 = line.find(s1) + len(s1) - off1
+                    p2 = line.find(s2, p1) + off2
+                    if p1 >= 0 and p2 > 0:
+                        player_config.update(json.loads(line[p1:p2]))
+    return player_config
 
 def extract_js(script):
     PREFIX = "var _yt_player={};(function(g){var window=this;"
@@ -241,8 +247,6 @@ def decode_cipher_url(js_url, cipher):
     return result_url
 
 def get_best_video(player_config):
-    js_url = player_config["assets"]["js"]
-
     player_args = player_config["args"]
     player_response = json.loads(player_args["player_response"])
     formats = player_response["streamingData"]["formats"]
@@ -266,6 +270,7 @@ def get_best_video(player_config):
             continue
 
         if "signatureCipher" in format_data:
+            js_url = player_config["PLAYER_JS_URL"]
             video_url = decode_cipher_url(js_url, format_data["signatureCipher"])
         else:
             video_url = format_data["url"]