mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-09-10 00:58:17 +02:00
parent
489f51279d
commit
b38d4c941d
@ -49,32 +49,38 @@ def test_get_desktop_environment(self):
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""" based on https://chromium.googlesource.com/chromium/src/+/refs/heads/main/base/nix/xdg_util_unittest.cc """
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test_cases = [
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({}, _LinuxDesktopEnvironment.OTHER),
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({'DESKTOP_SESSION': 'my_custom_de'}, _LinuxDesktopEnvironment.OTHER),
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({'XDG_CURRENT_DESKTOP': 'my_custom_de'}, _LinuxDesktopEnvironment.OTHER),
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({'DESKTOP_SESSION': 'gnome'}, _LinuxDesktopEnvironment.GNOME),
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({'DESKTOP_SESSION': 'mate'}, _LinuxDesktopEnvironment.GNOME),
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({'DESKTOP_SESSION': 'kde4'}, _LinuxDesktopEnvironment.KDE),
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({'DESKTOP_SESSION': 'kde'}, _LinuxDesktopEnvironment.KDE),
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({'DESKTOP_SESSION': 'kde4'}, _LinuxDesktopEnvironment.KDE4),
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({'DESKTOP_SESSION': 'kde'}, _LinuxDesktopEnvironment.KDE3),
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({'DESKTOP_SESSION': 'xfce'}, _LinuxDesktopEnvironment.XFCE),
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({'GNOME_DESKTOP_SESSION_ID': 1}, _LinuxDesktopEnvironment.GNOME),
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({'KDE_FULL_SESSION': 1}, _LinuxDesktopEnvironment.KDE),
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({'KDE_FULL_SESSION': 1}, _LinuxDesktopEnvironment.KDE3),
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({'KDE_FULL_SESSION': 1, 'DESKTOP_SESSION': 'kde4'}, _LinuxDesktopEnvironment.KDE4),
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({'XDG_CURRENT_DESKTOP': 'X-Cinnamon'}, _LinuxDesktopEnvironment.CINNAMON),
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({'XDG_CURRENT_DESKTOP': 'Deepin'}, _LinuxDesktopEnvironment.DEEPIN),
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({'XDG_CURRENT_DESKTOP': 'GNOME'}, _LinuxDesktopEnvironment.GNOME),
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({'XDG_CURRENT_DESKTOP': 'GNOME:GNOME-Classic'}, _LinuxDesktopEnvironment.GNOME),
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({'XDG_CURRENT_DESKTOP': 'GNOME : GNOME-Classic'}, _LinuxDesktopEnvironment.GNOME),
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({'XDG_CURRENT_DESKTOP': 'Unity', 'DESKTOP_SESSION': 'gnome-fallback'}, _LinuxDesktopEnvironment.GNOME),
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({'XDG_CURRENT_DESKTOP': 'KDE', 'KDE_SESSION_VERSION': '5'}, _LinuxDesktopEnvironment.KDE),
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({'XDG_CURRENT_DESKTOP': 'KDE'}, _LinuxDesktopEnvironment.KDE),
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({'XDG_CURRENT_DESKTOP': 'KDE', 'KDE_SESSION_VERSION': '5'}, _LinuxDesktopEnvironment.KDE5),
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({'XDG_CURRENT_DESKTOP': 'KDE', 'KDE_SESSION_VERSION': '6'}, _LinuxDesktopEnvironment.KDE6),
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({'XDG_CURRENT_DESKTOP': 'KDE'}, _LinuxDesktopEnvironment.KDE4),
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({'XDG_CURRENT_DESKTOP': 'Pantheon'}, _LinuxDesktopEnvironment.PANTHEON),
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({'XDG_CURRENT_DESKTOP': 'UKUI'}, _LinuxDesktopEnvironment.UKUI),
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({'XDG_CURRENT_DESKTOP': 'Unity'}, _LinuxDesktopEnvironment.UNITY),
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({'XDG_CURRENT_DESKTOP': 'Unity:Unity7'}, _LinuxDesktopEnvironment.UNITY),
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({'XDG_CURRENT_DESKTOP': 'Unity:Unity8'}, _LinuxDesktopEnvironment.UNITY),
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]
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for env, expected_desktop_environment in test_cases:
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self.assertEqual(_get_linux_desktop_environment(env), expected_desktop_environment)
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self.assertEqual(_get_linux_desktop_environment(env, Logger()), expected_desktop_environment)
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def test_chrome_cookie_decryptor_linux_derive_key(self):
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key = LinuxChromeCookieDecryptor.derive_key(b'abc')
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@ -353,7 +353,9 @@ class ChromeCookieDecryptor:
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Linux:
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- cookies are either v10 or v11
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- v10: AES-CBC encrypted with a fixed key
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- also attempts empty password if decryption fails
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- v11: AES-CBC encrypted with an OS protected key (keyring)
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- also attempts empty password if decryption fails
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- v11 keys can be stored in various places depending on the activate desktop environment [2]
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Mac:
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@ -368,7 +370,7 @@ class ChromeCookieDecryptor:
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Sources:
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- [1] https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/
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- [2] https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/key_storage_linux.cc
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- [2] https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/sync/key_storage_linux.cc
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- KeyStorageLinux::CreateService
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"""
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@ -390,6 +392,7 @@ class LinuxChromeCookieDecryptor(ChromeCookieDecryptor):
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def __init__(self, browser_keyring_name, logger, *, keyring=None):
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self._logger = logger
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self._v10_key = self.derive_key(b'peanuts')
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self._empty_key = self.derive_key(b'')
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self._cookie_counts = {'v10': 0, 'v11': 0, 'other': 0}
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self._browser_keyring_name = browser_keyring_name
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self._keyring = keyring
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@ -402,25 +405,36 @@ def _v11_key(self):
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@staticmethod
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def derive_key(password):
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# values from
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# https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_linux.cc
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# https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/sync/os_crypt_linux.cc
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return pbkdf2_sha1(password, salt=b'saltysalt', iterations=1, key_length=16)
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def decrypt(self, encrypted_value):
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"""
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following the same approach as the fix in [1]: if cookies fail to decrypt then attempt to decrypt
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with an empty password. The failure detection is not the same as what chromium uses so the
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results won't be perfect
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References:
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- [1] https://chromium.googlesource.com/chromium/src/+/bbd54702284caca1f92d656fdcadf2ccca6f4165%5E%21/
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- a bugfix to try an empty password as a fallback
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"""
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version = encrypted_value[:3]
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ciphertext = encrypted_value[3:]
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if version == b'v10':
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self._cookie_counts['v10'] += 1
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return _decrypt_aes_cbc(ciphertext, self._v10_key, self._logger)
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return _decrypt_aes_cbc_multi(ciphertext, (self._v10_key, self._empty_key), self._logger)
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elif version == b'v11':
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self._cookie_counts['v11'] += 1
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if self._v11_key is None:
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self._logger.warning('cannot decrypt v11 cookies: no key found', only_once=True)
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return None
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return _decrypt_aes_cbc(ciphertext, self._v11_key, self._logger)
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return _decrypt_aes_cbc_multi(ciphertext, (self._v11_key, self._empty_key), self._logger)
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else:
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self._logger.warning(f'unknown cookie version: "{version}"', only_once=True)
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self._cookie_counts['other'] += 1
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return None
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@ -435,7 +449,7 @@ def __init__(self, browser_keyring_name, logger):
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@staticmethod
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def derive_key(password):
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# values from
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# https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_mac.mm
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# https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/sync/os_crypt_mac.mm
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return pbkdf2_sha1(password, salt=b'saltysalt', iterations=1003, key_length=16)
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def decrypt(self, encrypted_value):
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@ -448,12 +462,12 @@ def decrypt(self, encrypted_value):
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self._logger.warning('cannot decrypt v10 cookies: no key found', only_once=True)
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return None
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return _decrypt_aes_cbc(ciphertext, self._v10_key, self._logger)
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return _decrypt_aes_cbc_multi(ciphertext, (self._v10_key,), self._logger)
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else:
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self._cookie_counts['other'] += 1
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# other prefixes are considered 'old data' which were stored as plaintext
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# https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_mac.mm
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# https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/sync/os_crypt_mac.mm
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return encrypted_value
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@ -473,7 +487,7 @@ def decrypt(self, encrypted_value):
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self._logger.warning('cannot decrypt v10 cookies: no key found', only_once=True)
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return None
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# https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_win.cc
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# https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/sync/os_crypt_win.cc
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# kNonceLength
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nonce_length = 96 // 8
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# boringssl
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@ -490,7 +504,7 @@ def decrypt(self, encrypted_value):
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else:
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self._cookie_counts['other'] += 1
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# any other prefix means the data is DPAPI encrypted
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# https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/os_crypt_win.cc
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# https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/sync/os_crypt_win.cc
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return _decrypt_windows_dpapi(encrypted_value, self._logger).decode()
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@ -673,27 +687,35 @@ class _LinuxDesktopEnvironment(Enum):
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"""
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OTHER = auto()
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CINNAMON = auto()
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DEEPIN = auto()
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GNOME = auto()
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KDE = auto()
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KDE3 = auto()
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KDE4 = auto()
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KDE5 = auto()
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KDE6 = auto()
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PANTHEON = auto()
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UKUI = auto()
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UNITY = auto()
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XFCE = auto()
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LXQT = auto()
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class _LinuxKeyring(Enum):
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"""
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https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/key_storage_util_linux.h
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https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/sync/key_storage_util_linux.h
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SelectedLinuxBackend
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"""
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KWALLET = auto()
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GNOMEKEYRING = auto()
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BASICTEXT = auto()
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KWALLET4 = auto() # this value is just called KWALLET in the chromium source but it is for KDE4 only
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KWALLET5 = auto()
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KWALLET6 = auto()
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GNOME_KEYRING = auto()
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BASIC_TEXT = auto()
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SUPPORTED_KEYRINGS = _LinuxKeyring.__members__.keys()
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def _get_linux_desktop_environment(env):
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def _get_linux_desktop_environment(env, logger):
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"""
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https://chromium.googlesource.com/chromium/src/+/refs/heads/main/base/nix/xdg_util.cc
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GetDesktopEnvironment
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@ -708,51 +730,97 @@ def _get_linux_desktop_environment(env):
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return _LinuxDesktopEnvironment.GNOME
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else:
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return _LinuxDesktopEnvironment.UNITY
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elif xdg_current_desktop == 'Deepin':
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return _LinuxDesktopEnvironment.DEEPIN
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elif xdg_current_desktop == 'GNOME':
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return _LinuxDesktopEnvironment.GNOME
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elif xdg_current_desktop == 'X-Cinnamon':
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return _LinuxDesktopEnvironment.CINNAMON
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elif xdg_current_desktop == 'KDE':
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return _LinuxDesktopEnvironment.KDE
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kde_version = env.get('KDE_SESSION_VERSION', None)
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if kde_version == '5':
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return _LinuxDesktopEnvironment.KDE5
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elif kde_version == '6':
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return _LinuxDesktopEnvironment.KDE6
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elif kde_version == '4':
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return _LinuxDesktopEnvironment.KDE4
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else:
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logger.info(f'unknown KDE version: "{kde_version}". Assuming KDE4')
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return _LinuxDesktopEnvironment.KDE4
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elif xdg_current_desktop == 'Pantheon':
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return _LinuxDesktopEnvironment.PANTHEON
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elif xdg_current_desktop == 'XFCE':
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return _LinuxDesktopEnvironment.XFCE
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elif xdg_current_desktop == 'UKUI':
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return _LinuxDesktopEnvironment.UKUI
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elif xdg_current_desktop == 'LXQt':
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return _LinuxDesktopEnvironment.LXQT
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else:
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logger.info(f'XDG_CURRENT_DESKTOP is set to an unknown value: "{xdg_current_desktop}"')
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elif desktop_session is not None:
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if desktop_session in ('mate', 'gnome'):
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if desktop_session == 'deepin':
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return _LinuxDesktopEnvironment.DEEPIN
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elif desktop_session in ('mate', 'gnome'):
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return _LinuxDesktopEnvironment.GNOME
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elif 'kde' in desktop_session:
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return _LinuxDesktopEnvironment.KDE
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elif 'xfce' in desktop_session:
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elif desktop_session in ('kde4', 'kde-plasma'):
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return _LinuxDesktopEnvironment.KDE4
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elif desktop_session == 'kde':
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if 'KDE_SESSION_VERSION' in env:
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return _LinuxDesktopEnvironment.KDE4
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else:
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return _LinuxDesktopEnvironment.KDE3
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elif 'xfce' in desktop_session or desktop_session == 'xubuntu':
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return _LinuxDesktopEnvironment.XFCE
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elif desktop_session == 'ukui':
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return _LinuxDesktopEnvironment.UKUI
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else:
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logger.info(f'DESKTOP_SESSION is set to an unknown value: "{desktop_session}"')
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else:
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if 'GNOME_DESKTOP_SESSION_ID' in env:
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return _LinuxDesktopEnvironment.GNOME
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elif 'KDE_FULL_SESSION' in env:
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return _LinuxDesktopEnvironment.KDE
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if 'KDE_SESSION_VERSION' in env:
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return _LinuxDesktopEnvironment.KDE4
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else:
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return _LinuxDesktopEnvironment.KDE3
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return _LinuxDesktopEnvironment.OTHER
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def _choose_linux_keyring(logger):
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"""
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https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/key_storage_util_linux.cc
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SelectBackend
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SelectBackend in [1]
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There is currently support for forcing chromium to use BASIC_TEXT by creating a file called
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`Disable Local Encryption` [1] in the user data dir. The function to write this file (`WriteBackendUse()` [1])
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does not appear to be called anywhere other than in tests, so the user would have to create this file manually
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and so would be aware enough to tell yt-dlp to use the BASIC_TEXT keyring.
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References:
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- [1] https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/sync/key_storage_util_linux.cc
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"""
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desktop_environment = _get_linux_desktop_environment(os.environ)
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desktop_environment = _get_linux_desktop_environment(os.environ, logger)
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logger.debug(f'detected desktop environment: {desktop_environment.name}')
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if desktop_environment == _LinuxDesktopEnvironment.KDE:
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linux_keyring = _LinuxKeyring.KWALLET
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elif desktop_environment == _LinuxDesktopEnvironment.OTHER:
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linux_keyring = _LinuxKeyring.BASICTEXT
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if desktop_environment == _LinuxDesktopEnvironment.KDE4:
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linux_keyring = _LinuxKeyring.KWALLET4
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elif desktop_environment == _LinuxDesktopEnvironment.KDE5:
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linux_keyring = _LinuxKeyring.KWALLET5
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elif desktop_environment == _LinuxDesktopEnvironment.KDE6:
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linux_keyring = _LinuxKeyring.KWALLET6
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elif desktop_environment in (
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_LinuxDesktopEnvironment.KDE3, _LinuxDesktopEnvironment.LXQT, _LinuxDesktopEnvironment.OTHER
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):
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linux_keyring = _LinuxKeyring.BASIC_TEXT
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else:
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linux_keyring = _LinuxKeyring.GNOMEKEYRING
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linux_keyring = _LinuxKeyring.GNOME_KEYRING
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return linux_keyring
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def _get_kwallet_network_wallet(logger):
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def _get_kwallet_network_wallet(keyring, logger):
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""" The name of the wallet used to store network passwords.
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https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/kwallet_dbus.cc
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https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/sync/kwallet_dbus.cc
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KWalletDBus::NetworkWallet
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which does a dbus call to the following function:
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https://api.kde.org/frameworks/kwallet/html/classKWallet_1_1Wallet.html
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@ -760,10 +828,22 @@ def _get_kwallet_network_wallet(logger):
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"""
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default_wallet = 'kdewallet'
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try:
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if keyring == _LinuxKeyring.KWALLET4:
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service_name = 'org.kde.kwalletd'
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wallet_path = '/modules/kwalletd'
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elif keyring == _LinuxKeyring.KWALLET5:
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service_name = 'org.kde.kwalletd5'
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wallet_path = '/modules/kwalletd5'
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elif keyring == _LinuxKeyring.KWALLET6:
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service_name = 'org.kde.kwalletd6'
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wallet_path = '/modules/kwalletd6'
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else:
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raise ValueError(keyring)
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stdout, _, returncode = Popen.run([
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'dbus-send', '--session', '--print-reply=literal',
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'--dest=org.kde.kwalletd5',
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'/modules/kwalletd5',
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f'--dest={service_name}',
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wallet_path,
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'org.kde.KWallet.networkWallet'
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], text=True, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL)
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@ -778,8 +858,8 @@ def _get_kwallet_network_wallet(logger):
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return default_wallet
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def _get_kwallet_password(browser_keyring_name, logger):
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logger.debug('using kwallet-query to obtain password from kwallet')
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def _get_kwallet_password(browser_keyring_name, keyring, logger):
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logger.debug(f'using kwallet-query to obtain password from {keyring.name}')
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if shutil.which('kwallet-query') is None:
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logger.error('kwallet-query command not found. KWallet and kwallet-query '
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@ -787,7 +867,7 @@ def _get_kwallet_password(browser_keyring_name, logger):
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'included in the kwallet package for your distribution')
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return b''
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network_wallet = _get_kwallet_network_wallet(logger)
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network_wallet = _get_kwallet_network_wallet(keyring, logger)
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try:
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stdout, _, returncode = Popen.run([
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@ -809,8 +889,9 @@ def _get_kwallet_password(browser_keyring_name, logger):
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# checks hasEntry. To verify this:
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# dbus-monitor "interface='org.kde.KWallet'" "type=method_return"
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# while starting chrome.
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# this may be a bug as the intended behaviour is to generate a random password and store
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# it, but that doesn't matter here.
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# this was identified as a bug later and fixed in
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# https://chromium.googlesource.com/chromium/src/+/bbd54702284caca1f92d656fdcadf2ccca6f4165%5E%21/#F0
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# https://chromium.googlesource.com/chromium/src/+/5463af3c39d7f5b6d11db7fbd51e38cc1974d764
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return b''
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else:
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logger.debug('password found')
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@ -848,11 +929,11 @@ def _get_linux_keyring_password(browser_keyring_name, keyring, logger):
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keyring = _LinuxKeyring[keyring] if keyring else _choose_linux_keyring(logger)
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logger.debug(f'Chosen keyring: {keyring.name}')
|
||||
|
||||
if keyring == _LinuxKeyring.KWALLET:
|
||||
return _get_kwallet_password(browser_keyring_name, logger)
|
||||
elif keyring == _LinuxKeyring.GNOMEKEYRING:
|
||||
if keyring in (_LinuxKeyring.KWALLET4, _LinuxKeyring.KWALLET5, _LinuxKeyring.KWALLET6):
|
||||
return _get_kwallet_password(browser_keyring_name, keyring, logger)
|
||||
elif keyring == _LinuxKeyring.GNOME_KEYRING:
|
||||
return _get_gnome_keyring_password(browser_keyring_name, logger)
|
||||
elif keyring == _LinuxKeyring.BASICTEXT:
|
||||
elif keyring == _LinuxKeyring.BASIC_TEXT:
|
||||
# when basic text is chosen, all cookies are stored as v10 (so no keyring password is required)
|
||||
return None
|
||||
assert False, f'Unknown keyring {keyring}'
|
||||
@ -877,6 +958,10 @@ def _get_mac_keyring_password(browser_keyring_name, logger):
|
||||
|
||||
|
||||
def _get_windows_v10_key(browser_root, logger):
|
||||
"""
|
||||
References:
|
||||
- [1] https://chromium.googlesource.com/chromium/src/+/refs/heads/main/components/os_crypt/sync/os_crypt_win.cc
|
||||
"""
|
||||
path = _find_most_recently_used_file(browser_root, 'Local State', logger)
|
||||
if path is None:
|
||||
logger.error('could not find local state file')
|
||||
@ -885,11 +970,13 @@ def _get_windows_v10_key(browser_root, logger):
|
||||
with open(path, encoding='utf8') as f:
|
||||
data = json.load(f)
|
||||
try:
|
||||
# kOsCryptEncryptedKeyPrefName in [1]
|
||||
base64_key = data['os_crypt']['encrypted_key']
|
||||
except KeyError:
|
||||
logger.error('no encrypted key in Local State')
|
||||
return None
|
||||
encrypted_key = base64.b64decode(base64_key)
|
||||
# kDPAPIKeyPrefix in [1]
|
||||
prefix = b'DPAPI'
|
||||
if not encrypted_key.startswith(prefix):
|
||||
logger.error('invalid key')
|
||||
@ -901,13 +988,15 @@ def pbkdf2_sha1(password, salt, iterations, key_length):
|
||||
return pbkdf2_hmac('sha1', password, salt, iterations, key_length)
|
||||
|
||||
|
||||
def _decrypt_aes_cbc(ciphertext, key, logger, initialization_vector=b' ' * 16):
|
||||
plaintext = unpad_pkcs7(aes_cbc_decrypt_bytes(ciphertext, key, initialization_vector))
|
||||
try:
|
||||
return plaintext.decode()
|
||||
except UnicodeDecodeError:
|
||||
logger.warning('failed to decrypt cookie (AES-CBC) because UTF-8 decoding failed. Possibly the key is wrong?', only_once=True)
|
||||
return None
|
||||
def _decrypt_aes_cbc_multi(ciphertext, keys, logger, initialization_vector=b' ' * 16):
|
||||
for key in keys:
|
||||
plaintext = unpad_pkcs7(aes_cbc_decrypt_bytes(ciphertext, key, initialization_vector))
|
||||
try:
|
||||
return plaintext.decode()
|
||||
except UnicodeDecodeError:
|
||||
pass
|
||||
logger.warning('failed to decrypt cookie (AES-CBC) because UTF-8 decoding failed. Possibly the key is wrong?', only_once=True)
|
||||
return None
|
||||
|
||||
|
||||
def _decrypt_aes_gcm(ciphertext, key, nonce, authentication_tag, logger):
|
||||
|
Loading…
Reference in New Issue
Block a user