[BUG] ScanRar Emits Exception on Password-Protected Archives

[ryanohoro]

Describe the bug

{
  "elapsed": 0.003019,
  "exception": "Traceback (most recent call last):\n\n  File \"/strelka/strelka.py\", line 769, in scan_wrapper\n    self.scan(data, file, options, expire_at)\n\n  File \"/strelka/scanners/scan_rar.py\", line 79, in scan\n    data = rar_obj.open(\n\nTypeError: RarFile.open() got an unexpected keyword argument 'psw'\n",
  "flags": [
    "password_protected",
    "uncaught_exception"
  ],
  "host_os": "RAR_OS_WIN32",
  "total": {
    "extracted": 0,
    "files": 1
  }
}

Environment details

• Operating System: Ubuntu 22.04
• Architecture: x86-64

Steps to reproduce
Steps to reproduce the behavior:

1. Upload a password-protected RAR archive created by WinRAR
2. Observe ScanRar output contains an "uncaught exception"

Expected behavior

ScanRar should note that the archive is password protected and gracefully catch the exception

Release

• Release: 0.24.01.18

[ryanohoro]

Root of this problem was that the password parameter name Strelka was using for python rarfile did not match the parameter name in the module.

strelka/src/python/strelka/scanners/scan_rar.py

Lines 79 to 83 in 227f7b6

	data = rar_obj.open(
	name,
	mode="r",
	psw=pw.decode("utf-8"),
	)

https://python-unrar.readthedocs.io/en/v0.3/rarfile.html#rarfile.RarFile.open

This was a result of a breaking change introduced in rarfile 4 (2020-07-31)

rarfile