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sigma-rules/tests/__init__.py
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2021-03-03 22:12:11 -09:00

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Python

# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
# or more contributor license agreements. Licensed under the Elastic License
# 2.0; you may not use this file except in compliance with the Elastic License
# 2.0.
"""Detection Rules tests."""
import glob
import json
import os
from detection_rules.utils import combine_sources
CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
DATA_DIR = os.path.join(CURRENT_DIR, 'data')
TP_DIR = os.path.join(DATA_DIR, 'true_positives')
FP_DIR = os.path.join(DATA_DIR, 'false_positives')
def get_fp_dirs():
"""Get a list of fp dir names."""
return glob.glob(os.path.join(FP_DIR, '*'))
def get_fp_data_files():
"""get FP data files by fp dir name."""
data = {}
for fp_dir in get_fp_dirs():
fp_dir_name = os.path.basename(fp_dir)
relative_dir_name = os.path.join('false_positives', fp_dir_name)
data[fp_dir_name] = combine_sources(*get_data_files(relative_dir_name).values())
return data
def get_data_files_list(*folder, ext='jsonl', recursive=False):
"""Get TP or FP file list."""
folder = os.path.sep.join(folder)
data_dir = [DATA_DIR, folder]
if recursive:
data_dir.append('**')
data_dir.append('*.{}'.format(ext))
return glob.glob(os.path.join(*data_dir), recursive=recursive)
def get_data_files(*folder, ext='jsonl', recursive=False):
"""Get data from data files."""
data_files = {}
for data_file in get_data_files_list(*folder, ext=ext, recursive=recursive):
with open(data_file, 'r') as f:
file_name = os.path.splitext(os.path.basename(data_file))[0]
if ext == 'jsonl':
data = f.readlines()
data_files[file_name] = [json.loads(d) for d in data]
else:
data_files[file_name] = json.load(f)
return data_files
def get_data_file(*folder):
file = os.path.join(DATA_DIR, os.path.sep.join(folder))
if os.path.exists(file):
with open(file, 'r') as f:
return json.load(f)