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Fix libcrypto DLL path search (see #13 and #14)

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Co-authored-by: Adriano Caloiaro <code@adriano.fyi>
This commit is contained in:
NoDRM
2022-01-02 17:29:27 +01:00
parent d5473f1db0
commit b84cf9aeb8
2 changed files with 25 additions and 6 deletions
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27
DeDRM_plugin/adobekey.py
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@@ -124,11 +124,27 @@ if iswindows:
except ImportError:
import _winreg as winreg
def get_fake_windows_libcrypto_path():
# There seems to be a bug in Wine where a `find_library('libcrypto-1_1')`
# will not return the path to the libcrypto-1_1.dll file.
# So if we're on Windows, and we didn't find the libcrypto the normal way,
# lets try a hack-y workaround. It's already over anyways at this
# point, can't really make it worse.
import sys, os
for p in sys.path:
if os.path.isfile(os.path.join(p, "libcrypto-1_1.dll")):
return os.path.join(p, "libcrypto-1_1.dll")
if os.path.isfile(os.path.join(p, "libeay32.dll")):
return os.path.join(p, "libeay.dll")
return None
def _load_crypto_libcrypto():
from ctypes.util import find_library
libcrypto = find_library('libcrypto-1_1')
if libcrypto is None:
libcrypto = find_library('libeay32')
if libcrypto is None:
libcrypto = get_fake_windows_libcrypto_path()
if libcrypto is None:
raise ADEPTError('libcrypto not found')
libcrypto = CDLL(libcrypto)
@@ -170,7 +186,10 @@ if iswindows:
return AES
def _load_crypto_pycrypto():
from Crypto.Cipher import AES as _AES
try:
from Crypto.Cipher import AES as _AES
except (ImportError, ModuleNotFoundError):
from Cryptodome.Cipher import AES as _AES
class AES(object):
def __init__(self, key):
self._aes = _AES.new(key, _AES.MODE_CBC, b'\x00'*16)
@@ -184,7 +203,7 @@ if iswindows:
try:
AES = loader()
break
except (ImportError, ADEPTError):
except (ImportError, ModuleNotFoundError, ADEPTError):
pass
return AES
@@ -396,7 +415,7 @@ if iswindows:
try:
regkey = winreg.OpenKey(cuser, DEVICE_KEY_PATH)
device = winreg.QueryValueEx(regkey, 'key')[0]
except WindowsError:
except WindowsError, FileNotFoundError:
raise ADEPTError("Adobe Digital Editions not activated")
keykey = CryptUnprotectData(device, entropy)
userkey = None
@@ -404,7 +423,7 @@ if iswindows:
names = []
try:
plkroot = winreg.OpenKey(cuser, PRIVATE_LICENCE_KEY_PATH)
except WindowsError:
except WindowsError, FileNotFoundError:
raise ADEPTError("Could not locate ADE activation")
i = -1