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[jsinterp] Handle new youtube signature functions

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Closes #4635
This commit is contained in:
pukkandan 2022-08-14 04:51:54 +05:30
parent 1cddfdc52b
commit 8f53dc44a0
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GPG key ID: 7EEE9E1E817D0A39
6 changed files with 287 additions and 125 deletions
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29
test/test_jsinterp.py
View file

@ -19,6 +19,9 @@ class TestJSInterpreter(unittest.TestCase):
jsi = JSInterpreter('function x3(){return 42;}')
self.assertEqual(jsi.call_function('x3'), 42)
jsi = JSInterpreter('function x3(){42}')
self.assertEqual(jsi.call_function('x3'), None)
jsi = JSInterpreter('var x5 = function(){return 42;}')
self.assertEqual(jsi.call_function('x5'), 42)
@ -51,8 +54,11 @@ class TestJSInterpreter(unittest.TestCase):
jsi = JSInterpreter('function f(){return 11 >> 2;}')
self.assertEqual(jsi.call_function('f'), 2)
jsi = JSInterpreter('function f(){return []? 2+3: 4;}')
self.assertEqual(jsi.call_function('f'), 5)
def test_array_access(self):
jsi = JSInterpreter('function f(){var x = [1,2,3]; x[0] = 4; x[0] = 5; x[2] = 7; return x;}')
jsi = JSInterpreter('function f(){var x = [1,2,3]; x[0] = 4; x[0] = 5; x[2.0] = 7; return x;}')
self.assertEqual(jsi.call_function('f'), [5, 2, 7])
def test_parens(self):
@ -62,6 +68,10 @@ class TestJSInterpreter(unittest.TestCase):
jsi = JSInterpreter('function f(){return (1 + 2) * 3;}')
self.assertEqual(jsi.call_function('f'), 9)
def test_quotes(self):
jsi = JSInterpreter(R'function f(){return "a\"\\("}')
self.assertEqual(jsi.call_function('f'), R'a"\(')
def test_assignments(self):
jsi = JSInterpreter('function f(){var x = 20; x = 30 + 1; return x;}')
self.assertEqual(jsi.call_function('f'), 31)
@ -107,14 +117,15 @@ class TestJSInterpreter(unittest.TestCase):
def test_call(self):
jsi = JSInterpreter('''
function x() { return 2; }
function y(a) { return x() + a; }
function y(a) { return x() + (a?a:0); }
function z() { return y(3); }
''')
self.assertEqual(jsi.call_function('z'), 5)
self.assertEqual(jsi.call_function('y'), 2)
def test_for_loop(self):
jsi = JSInterpreter('''
function x() { a=0; for (i=0; i-10; i++) {a++} a }
function x() { a=0; for (i=0; i-10; i++) {a++} return a }
''')
self.assertEqual(jsi.call_function('x'), 10)
@ -155,19 +166,19 @@ class TestJSInterpreter(unittest.TestCase):
def test_for_loop_continue(self):
jsi = JSInterpreter('''
function x() { a=0; for (i=0; i-10; i++) { continue; a++ } a }
function x() { a=0; for (i=0; i-10; i++) { continue; a++ } return a }
''')
self.assertEqual(jsi.call_function('x'), 0)
def test_for_loop_break(self):
jsi = JSInterpreter('''
function x() { a=0; for (i=0; i-10; i++) { break; a++ } a }
function x() { a=0; for (i=0; i-10; i++) { break; a++ } return a }
''')
self.assertEqual(jsi.call_function('x'), 0)
def test_literal_list(self):
jsi = JSInterpreter('''
function x() { [1, 2, "asdf", [5, 6, 7]][3] }
function x() { return [1, 2, "asdf", [5, 6, 7]][3] }
''')
self.assertEqual(jsi.call_function('x'), [5, 6, 7])
@ -177,6 +188,12 @@ class TestJSInterpreter(unittest.TestCase):
''')
self.assertEqual(jsi.call_function('x'), 7)
def test_return_function(self):
jsi = JSInterpreter('''
function x() { return [1, function(){return 1}][1] }
''')
self.assertEqual(jsi.call_function('x')([]), 1)
if __name__ == '__main__':
unittest.main()

4
test/test_utils.py
View file

@ -413,6 +413,10 @@ class TestUtil(unittest.TestCase):
self.assertEqual(unified_timestamp('December 15, 2017 at 7:49 am'), 1513324140)
self.assertEqual(unified_timestamp('2018-03-14T08:32:43.1493874+00:00'), 1521016363)
self.assertEqual(unified_timestamp('December 31 1969 20:00:01 EDT'), 1)
self.assertEqual(unified_timestamp('Wednesday 31 December 1969 18:01:26 MDT'), 86)
self.assertEqual(unified_timestamp('12/31/1969 20:01:18 EDT', False), 78)
def test_determine_ext(self):
self.assertEqual(determine_ext('http://example.com/foo/bar.mp4/?download'), 'mp4')
self.assertEqual(determine_ext('http://example.com/foo/bar/?download', None), None)

8
test/test_youtube_signature.py
View file

@ -94,6 +94,14 @@ _NSIG_TESTS = [
'https://www.youtube.com/s/player/5dd88d1d/player-plasma-ias-phone-en_US.vflset/base.js',
'kSxKFLeqzv_ZyHSAt', 'n8gS8oRlHOxPFA',
),
(
'https://www.youtube.com/s/player/324f67b9/player_ias.vflset/en_US/base.js',
'xdftNy7dh9QGnhW', '22qLGxrmX8F1rA',
),
(
'https://www.youtube.com/s/player/4c3f79c5/player_ias.vflset/en_US/base.js',
'TDCstCG66tEAO5pR9o', 'dbxNtZ14c-yWyw',
),
]