blackteay/kobackupdec
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Update kobackupdec.py

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This patch allow to run the script as normal user (ie without sudo) by setting -rx permission (ie 0o755) to directories. Indeed, Linux need -rx permissions to allow read directories contents, not only -r.

Until now chmod 0o444 at the end of the script prevent read output directories and crashes the script if ran as standard user (ie without sudo).

Also tested with Windows 10 with Python 3.8.1.
This commit is contained in:
lp4n6 2020-01-16 11:54:15 +01:00 committed by GitHub
parent 0277282052
commit b435b75e1f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 11 deletions
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kobackupdec.py
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@ -654,7 +654,7 @@ def decrypt_files_in_root(decrypt_info, path_in, path_out):
data_apk_dir = path_out.absolute().joinpath('data/app')
data_app_dir = path_out.absolute().joinpath('data/data')
#data_app_dir.mkdir(parents=True, exist_ok=True)
#data_app_dir.mkdir(0o755, parents=True, exist_ok=True)
data_unk_dir = path_out.absolute().joinpath('unknown')
for entry in path_in.glob('*'):
@ -670,7 +670,7 @@ def decrypt_files_in_root(decrypt_info, path_in, path_out):
if extension == '.apk':
dest_file = data_apk_dir.joinpath(entry.name + '-1')
dest_file.mkdir(parents=True, exist_ok=True)
dest_file.mkdir(0o755, parents=True, exist_ok=True)
dest_file = dest_file.joinpath('base.apk')
dest_file.write_bytes(entry.read_bytes())
@ -680,7 +680,7 @@ def decrypt_files_in_root(decrypt_info, path_in, path_out):
search=True)
if cleartext:
dest_file = data_app_dir.joinpath(entry.name)
dest_file.parent.mkdir(parents=True, exist_ok=True)
dest_file.parent.mkdir(0o755, parents=True, exist_ok=True)
dest_file.write_bytes(cleartext)
else:
logging.warning('unable to decrypt entry %s', entry.name)
@ -700,7 +700,7 @@ def decrypt_files_in_root(decrypt_info, path_in, path_out):
else:
logging.warning('entry %s unmanged, copying it', entry.name)
dest_file = data_unk_dir.joinpath(entry.name)
dest_file.parent.mkdir(parents=True, exist_ok=True)
dest_file.parent.mkdir(0o755, parents=True, exist_ok=True)
dest_file.write_bytes(entry.read_bytes())
# --- decrypt_files_in_folder -------------------------------------------------
@ -732,7 +732,7 @@ def decrypt_files_in_folder(decrypt_info, folder, path_out):
if cleartext and decrypt_material:
tmp_path = decrypt_material.path.lstrip('/').lstrip('\\')
dest_file = path_out.joinpath(tmp_path)
dest_file.parent.mkdir(parents=True, exist_ok=True)
dest_file.parent.mkdir(0o755, parents=True, exist_ok=True)
dest_file.write_bytes(cleartext)
continue
@ -749,7 +749,7 @@ def decrypt_files_in_folder(decrypt_info, folder, path_out):
decrypt_material, entry.read_bytes())
if cleartext:
dest_file = media_out_dir.joinpath(entry.relative_to(folder))
dest_file.parent.mkdir(parents=True, exist_ok=True)
dest_file.parent.mkdir(0o755, parents=True, exist_ok=True)
dest_file.write_bytes(cleartext)
continue
@ -761,7 +761,7 @@ def decrypt_files_in_folder(decrypt_info, folder, path_out):
decrypt_material, entry.read_bytes())
if cleartext:
dest_file = media_out_dir.joinpath(entry.relative_to(folder))
dest_file.parent.mkdir(parents=True, exist_ok=True)
dest_file.parent.mkdir(0o755, parents=True, exist_ok=True)
if entry.suffix.lower() == '.tar':
with tarfile.open(fileobj=io.BytesIO(cleartext)) as tdata:
if os.name == 'nt':
@ -772,14 +772,14 @@ def decrypt_files_in_folder(decrypt_info, folder, path_out):
if dest_file.exists():
new_name = str(folder.name) + '_' + str(dest_file.name)
dest_file = dest_file.parent.joinpath(new_name)
dest_file.parent.mkdir(parents=True, exist_ok=True)
dest_file.parent.mkdir(0o755, parents=True, exist_ok=True)
dest_file.write_bytes(cleartext)
continue
if cleartext is None:
logging.warning('decrypting [%s] failed, copying it', entry.name)
dest_file = media_unk_dir.joinpath(entry.name)
dest_file.parent.mkdir(parents=True, exist_ok=True)
dest_file.parent.mkdir(0o755, parents=True, exist_ok=True)
dest_file.write_bytes(entry.read_bytes())
@ -873,7 +873,14 @@ def main(password, backup_path_in, dest_path_out):
logging.info('setting all decrypted files to read-only')
for entry in dest_path_out.glob('**/*'):
os.chmod(entry, 0o444)
# Set read-only permission if entry is a file.
if os.path.isfile(entry):
os.chmod(entry, 0o444)
# *nix directories require execute permission to read/traverse
elif os.path.isdir(entry):
os.chmod(entry, 0o555)
# --- entry point and parameters checks ---------------------------------------
@ -912,6 +919,8 @@ if __name__ == '__main__':
dest_path = pathlib.Path(args.dest_path)
if dest_path.is_dir():
sys.exit('Destination folder already exists!')
dest_path.mkdir(parents=True)
# Make directory with read and execute permission (=read and traverse)
dest_path.mkdir(0o755,parents=True)
main(user_password, backup_path, dest_path)