# Copyright (C) 2014 Claudio Guarnieri.

# This file is part of Detekt - https://github.com/botherder/detekt

# See the file 'LICENSE' for copying permission.

import os

import sys

import ctypes

import hashlib

def get_resource(relative):

# First try from the local directory. This might come handy in case we want

# to provide updates or allow the user to run custom signatures.

path = os.path.join(os.getcwd(), relative)

# In case the resource doesn't exist in the current directory, we'll try

# from the actual resources.

if not os.path.exists(path):

if hasattr(sys, '_MEIPASS'):

path = os.path.join(sys._MEIPASS, relative)

return path

# Not currently used. Might use this in the future to automatically determine

# which language to use for logging messages.

#def get_language():

# return ctypes.windll.kernel32.GetUserDefaultUILanguage()

def check_connection():

# Check if there is an active Internet connection.

# This might not be 100% reliable.

if ctypes.windll.wininet.InternetGetConnectedState(None, None):

return True

else:

return False

# Get MD5 hash of a given buffer.

def get_md5(data):

md5 = hashlib.md5()

md5.update(data)

return md5.hexdigest()

# Snippet taken from:

# https://gist.github.com/sbz/1080258

def hexdump(src, length=16, maxlines=None):

FILTER = ''.join([(len(repr(chr(x))) == 3) and chr(x) or '.' for x in range(256)])

lines = []

for c in xrange(0, len(src), length):

chars = src[c:c+length]

hex = ' '.join(["%02x" % ord(x) for x in chars])

printable = ''.join(["%s" % ((ord(x) <= 127 and FILTER[ord(x)]) or '.') for x in chars])

lines.append("%04x %-*s %s" % (c, length*3, hex, printable))

if maxlines:

if len(lines) == maxlines:

break

return lines