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authordirkf <fieldhouse@gmx.net>2023-06-17 15:36:39 +0100
committerdirkf <fieldhouse@gmx.net>2023-06-17 15:55:19 +0100
commitae8ba2c31977b68b75221f80c488c0b12385269c (patch)
tree6e6bf73e9ccca93589a80155309018dd5560e980
parentd6433cbb2c4440056a38846e35bb5a3efa9bcac2 (diff)
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[YouTube] Fix `KeyError QV` in signature extraction failed
* temporarily force missing global definition into sig JS
* improve test: thanks https://github.com/yt-dlp/yt-dlp/issues/7327#issuecomment-1595274615
* resolves #32314
-rw-r--r--test/test_youtube_signature.py7
-rw-r--r--youtube_dl/extractor/youtube.py6
2 files changed, 11 insertions, 2 deletions
diff --git a/test/test_youtube_signature.py b/test/test_youtube_signature.py
index e7bce9d68..4ba586e53 100644
--- a/test/test_youtube_signature.py
+++ b/test/test_youtube_signature.py
@@ -63,6 +63,11 @@ _SIG_TESTS = [
         'https://s.ytimg.com/yts/jsbin/html5player-en_US-vflKjOTVq/html5player.js',
         '312AA52209E3623129A412D56A40F11CB0AF14AE.3EE09501CB14E3BCDC3B2AE808BF3F1D14E7FBF12',
         '112AA5220913623229A412D56A40F11CB0AF14AE.3EE0950FCB14EEBCDC3B2AE808BF331D14E7FBF3',
+    ),
+    (
+        'https://www.youtube.com/s/player/6ed0d907/player_ias.vflset/en_US/base.js',
+        '2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
+        'AOq0QJ8wRAIgXmPlOPSBkkUs1bYFYlJCfe29xx8j7v1pDL2QwbdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJoOySqa0',
     )
 ]
 
@@ -231,7 +236,7 @@ def n_sig(jscode, sig_input):
 
 
 make_sig_test = t_factory(
-    'signature', signature, re.compile(r'.*-(?P<id>[a-zA-Z0-9_-]+)(?:/watch_as3|/html5player)?\.[a-z]+$'))
+    'signature', signature, re.compile(r'(?s).*(?:-|/player/)(?P<id>[a-zA-Z0-9_-]+)(?:/.+\.js|(?:/watch_as3|/html5player)?\.[a-z]+)$'))
 for test_spec in _SIG_TESTS:
     make_sig_test(*test_spec)
 
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 0411c49f1..0bbce71a3 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -1569,8 +1569,12 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
              r'\bc\s*&&\s*[a-zA-Z0-9]+\.set\([^,]+\s*,\s*\([^)]*\)\s*\(\s*(?P<sig>[a-zA-Z0-9$]+)\('),
             jscode, 'Initial JS player signature function name', group='sig')
 
-        jsi = JSInterpreter(jscode)
+        # temporary (please) hack for player 6ed0d907 #32314
+        ah = 'var AH={LR:function(a,b){var c=a[0];a[0]=a[b%a.length];a[b%a.length]=c},QV:function(a){a.reverse()},pO:function(a,b){a.splice(0,b)}};'
+        jsi = JSInterpreter(ah + jscode)
+
         initial_function = jsi.extract_function(funcname)
+
         return lambda s: initial_function([s])
 
     def _decrypt_signature(self, s, video_id, player_url):