CIRCL
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AIL-framework
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AIL-framework/bin/packages/Item.py

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
import os
import re
import sys
import redis
import cld3
import html2text
from io import BytesIO
sys.path.append(os.path.join(os.environ['AIL_BIN'], 'packages/'))
import Date
import Tag
import Cryptocurrency
import Pgp
sys.path.append(os.path.join(os.environ['AIL_BIN'], 'lib/'))
import item_basic
import domain_basic
import ConfigLoader
import Correlate_object
import Decoded
import Screenshot
import Username
from item_basic import *
config_loader = ConfigLoader.ConfigLoader()
# get and sanityze PASTE DIRECTORY
PASTES_FOLDER = os.path.join(os.environ['AIL_HOME'], config_loader.get_config_str("Directories", "pastes")) + '/'
PASTES_FOLDER = os.path.join(os.path.realpath(PASTES_FOLDER), '')
r_cache = config_loader.get_redis_conn("Redis_Cache")
r_serv_metadata = config_loader.get_redis_conn("ARDB_Metadata")
screenshot_directory = config_loader.get_files_directory('screenshot')
har_directory = config_loader.get_files_directory('har')
config_loader = None
def exist_item(item_id):
return item_basic.exist_item(item_id)
def get_basename(item_id):
return os.path.basename(item_id)
def get_item_id(full_path):
return full_path.replace(PASTES_FOLDER, '', 1)
def get_item_filepath(item_id):
return item_basic.get_item_filepath(item_id)
def get_item_date(item_id, add_separator=False):
return item_basic.get_item_date(item_id, add_separator=add_separator)
def get_source(item_id):
return item_basic.get_source(item_id)
def get_item_basename(item_id):
return os.path.basename(item_id)
def get_item_size(item_id):
return round(os.path.getsize(os.path.join(PASTES_FOLDER, item_id))/1024.0, 2)
def get_item_encoding(item_id):
return None
def get_lines_info(item_id, item_content=None):
if not item_content:
item_content = get_item_content(item_id)
max_length = 0
line_id = 0
nb_line = 0
for line in item_content.splitlines():
length = len(line)
if length > max_length:
max_length = length
nb_line += 1
return {'nb': nb_line, 'max_length': max_length}
def get_item_metadata(item_id, item_content=None):
## TODO: FIXME ##performance
# encoding
# language
# lines info
item_metadata = {}
item_metadata['date'] = get_item_date(item_id, add_separator=True)
item_metadata['source'] = get_source(item_id)
item_metadata['size'] = get_item_size(item_id)
item_metadata['encoding'] = get_item_encoding(item_id)
item_metadata['lines'] = get_lines_info(item_id, item_content=item_content)
return item_metadata
def get_item_parent(item_id):
return item_basic.get_item_parent(item_id)
def add_item_parent(item_parent, item_id):
return item_basic.add_item_parent(item_parent, item_id)
def get_item_content(item_id):
return item_basic.get_item_content(item_id)
def get_item_content_html2text(item_id, item_content=None, ignore_links=False):
if not item_content:
item_content = get_item_content(item_id)
h = html2text.HTML2Text()
h.ignore_links = ignore_links
h.ignore_images = ignore_links
return h.handle(item_content)
def remove_all_urls_from_content(item_id, item_content=None):
if not item_content:
item_content = get_item_content(item_id)
regex = r'\b(?:http://|https://)?(?:[a-zA-Z\d-]{,63}(?:\.[a-zA-Z\d-]{,63})+)(?:\:[0-9]+)*(?:/(?:$|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*\b'
url_regex = re.compile(regex)
urls = url_regex.findall(item_content)
urls = sorted(urls, key=len, reverse=True)
for url in urls:
item_content = item_content.replace(url, '')
regex_pgp_public_blocs = r'-----BEGIN PGP PUBLIC KEY BLOCK-----[\s\S]+?-----END PGP PUBLIC KEY BLOCK-----'
regex_pgp_signature = r'-----BEGIN PGP SIGNATURE-----[\s\S]+?-----END PGP SIGNATURE-----'
regex_pgp_message = r'-----BEGIN PGP MESSAGE-----[\s\S]+?-----END PGP MESSAGE-----'
re.compile(regex_pgp_public_blocs)
re.compile(regex_pgp_signature)
re.compile(regex_pgp_message)
res = re.findall(regex_pgp_public_blocs, item_content)
for it in res:
item_content = item_content.replace(it, '')
res = re.findall(regex_pgp_signature, item_content)
for it in res:
item_content = item_content.replace(it, '')
res = re.findall(regex_pgp_message, item_content)
for it in res:
item_content = item_content.replace(it, '')
return item_content
def get_item_languages(item_id, min_len=600, num_langs=3, min_proportion=0.2, min_probability=0.7):
all_languages = []
## CLEAN CONTENT ##
content = get_item_content_html2text(item_id, ignore_links=True)
content = remove_all_urls_from_content(item_id, item_content=content)
# REMOVE USELESS SPACE
content = ' '.join(content.split())
#- CLEAN CONTENT -#
#print(content)
#print(len(content))
if len(content) >= min_len:
for lang in cld3.get_frequent_languages(content, num_langs=num_langs):
if lang.proportion >= min_proportion and lang.probability >= min_probability and lang.is_reliable:
all_languages.append(lang)
return all_languages
# API
def get_item(request_dict):
if not request_dict:
return Response({'status': 'error', 'reason': 'Malformed JSON'}, 400)
item_id = request_dict.get('id', None)
if not item_id:
return ( {'status': 'error', 'reason': 'Mandatory parameter(s) not provided'}, 400 )
if not exist_item(item_id):
return ( {'status': 'error', 'reason': 'Item not found'}, 404 )
dict_item = {}
dict_item['id'] = item_id
date = request_dict.get('date', True)
if date:
add_separator = False
if request_dict.get('date_separator', False):
add_separator = True
dict_item['date'] = get_item_date(item_id, add_separator=add_separator)
tags = request_dict.get('tags', True)
if tags:
dict_item['tags'] = Tag.get_obj_tag(item_id)
size = request_dict.get('size', False)
if size:
dict_item['size'] = get_item_size(item_id)
content = request_dict.get('content', False)
if content:
# UTF-8 outpout, # TODO: use base64
dict_item['content'] = get_item_content(item_id)
raw_content = request_dict.get('raw_content', False)
if raw_content:
dict_item['raw_content'] = get_raw_content(item_id)
lines_info = request_dict.get('lines', False)
if lines_info:
dict_item['lines'] = get_lines_info(item_id, dict_item.get('content', 'None'))
if request_dict.get('pgp'):
dict_item['pgp'] = {}
if request_dict['pgp'].get('key'):
dict_item['pgp']['key'] = get_item_pgp_key(item_id)
if request_dict['pgp'].get('mail'):
dict_item['pgp']['mail'] = get_item_pgp_mail(item_id)
if request_dict['pgp'].get('name'):
dict_item['pgp']['name'] = get_item_pgp_name(item_id)
if request_dict.get('cryptocurrency'):
dict_item['cryptocurrency'] = {}
if request_dict['cryptocurrency'].get('bitcoin'):
dict_item['cryptocurrency']['bitcoin'] = get_item_bitcoin(item_id)
return (dict_item, 200)
###
### correlation
###
def get_item_cryptocurrency(item_id, currencies_type=None, get_nb=False):
'''
Return all cryptocurrencies of a given item.
:param item_id: item id
:param currencies_type: list of cryptocurrencies type
:type currencies_type: list, optional
'''
return Cryptocurrency.cryptocurrency.get_item_correlation_dict(item_id, correlation_type=currencies_type, get_nb=get_nb)
def get_item_pgp(item_id, currencies_type=None, get_nb=False):
'''
Return all pgp of a given item.
:param item_id: item id
:param currencies_type: list of cryptocurrencies type
:type currencies_type: list, optional
'''
return Pgp.pgp.get_item_correlation_dict(item_id, correlation_type=currencies_type, get_nb=get_nb)
def get_item_username(item_id, sub_type=None, get_nb=False):
'''
Return all pgp of a given item.
:param item_id: item id
:param sub_type: list of username type
:type sub_type: list, optional
'''
return Username.correlation.get_item_correlation_dict(item_id, correlation_type=sub_type, get_nb=get_nb)
def get_item_decoded(item_id):
'''
Return all pgp of a given item.
:param item_id: item id
:param currencies_type: list of cryptocurrencies type
:type currencies_type: list, optional
'''
return Decoded.get_item_decoded(item_id)
def get_item_all_screenshot(item_id):
'''
Return all screenshot of a given item.
:param item_id: item id
'''
return Screenshot.get_item_screenshot_list(item_id)
def get_item_all_correlation(item_id, correlation_names=[], get_nb=False):
'''
Retun all correlation of a given item id.
:param item_id: item id
:type domain: str
:return: a dict of all correlation for a item id
:rtype: dict
'''
if not correlation_names:
correlation_names = Correlate_object.get_all_correlation_names()
item_correl = {}
for correlation_name in correlation_names:
if correlation_name=='cryptocurrency':
res = get_item_cryptocurrency(item_id, get_nb=get_nb)
elif correlation_name=='pgp':
res = get_item_pgp(item_id, get_nb=get_nb)
elif correlation_name=='username':
res = get_item_username(item_id, get_nb=get_nb)
elif correlation_name=='decoded':
res = get_item_decoded(item_id)
elif correlation_name=='screenshot':
res = get_item_all_screenshot(item_id)
else:
res = None
# add correllation to dict
if res:
item_correl[correlation_name] = res
return item_correl
## TODO: REFRACTOR
def _get_item_correlation(correlation_name, correlation_type, item_id):
res = r_serv_metadata.smembers('item_{}_{}:{}'.format(correlation_name, correlation_type, item_id))
if res:
return list(res)
else:
return []
## TODO: REFRACTOR
def get_item_bitcoin(item_id):
return _get_item_correlation('cryptocurrency', 'bitcoin', item_id)
## TODO: REFRACTOR
def get_item_pgp_key(item_id):
return _get_item_correlation('pgpdump', 'key', item_id)
## TODO: REFRACTOR
def get_item_pgp_name(item_id):
return _get_item_correlation('pgpdump', 'name', item_id)
## TODO: REFRACTOR
def get_item_pgp_mail(item_id):
return _get_item_correlation('pgpdump', 'mail', item_id)
## TODO: REFRACTOR
def get_item_pgp_correlation(item_id):
pass
###
### GET Internal Module DESC
###
def get_item_list_desc(list_item_id):
desc_list = []
for item_id in list_item_id:
desc_list.append( {'id': item_id, 'date': get_item_date(item_id), 'tags': Tag.get_obj_tag(item_id)} )
return desc_list
def is_crawled(item_id):
return item_basic.is_crawled(item_id)
def get_crawler_matadata(item_id, ltags=None):
dict_crawler = {}
if is_crawled(item_id):
dict_crawler['domain'] = get_item_domain(item_id)
if not ltags:
ltags = Tag.get_obj_tag(item_id)
dict_crawler['is_tags_safe'] = Tag.is_tags_safe(ltags)
dict_crawler['url'] = get_item_link(item_id)
dict_crawler['screenshot'] = get_item_screenshot(item_id)
dict_crawler['har'] = get_item_har_name(item_id)
return dict_crawler
def is_onion(item_id):
is_onion = False
if len(is_onion) > 62:
if is_crawled(item_id) and item_id[-42:-36] == '.onion':
is_onion = True
return is_onion
def is_item_in_domain(domain, item_id):
is_in_domain = False
domain_lenght = len(domain)
if len(item_id) > (domain_lenght+48):
if item_id[-36-domain_lenght:-36] == domain:
is_in_domain = True
return is_in_domain
def get_item_domain(item_id):
return item_basic.get_item_domain(item_id)
def get_domain(item_id):
item_id = item_id.split('/')
item_id = item_id[-1]
return item_id[:-36]
def get_item_domain_with_port(item_id):
return r_serv_metadata.hget('paste_metadata:{}'.format(item_id), 'domain')
def get_item_link(item_id):
return r_serv_metadata.hget('paste_metadata:{}'.format(item_id), 'real_link')
def get_item_screenshot(item_id):
screenshot = r_serv_metadata.hget('paste_metadata:{}'.format(item_id), 'screenshot')
if screenshot:
return os.path.join(screenshot[0:2], screenshot[2:4], screenshot[4:6], screenshot[6:8], screenshot[8:10], screenshot[10:12], screenshot[12:])
return ''
def get_item_har_name(item_id):
har_path = os.path.join(har_directory, item_id) + '.json'
if os.path.isfile(har_path):
return har_path
else:
return None
def get_item_har(har_path):
pass
def get_item_filename(item_id):
# Creating the full filepath
filename = os.path.join(PASTES_FOLDER, item_id)
filename = os.path.realpath(filename)
# incorrect filename
if not os.path.commonprefix([filename, PASTES_FOLDER]) == PASTES_FOLDER:
return None
else:
return filename
def get_item_duplicate(item_id, r_list=True):
res = r_serv_metadata.smembers('dup:{}'.format(item_id))
if r_list:
if res:
return list(res)
else:
return []
return res
def get_item_nb_duplicates(item_id):
return r_serv_metadata.scard('dup:{}'.format(item_id))
def get_item_duplicates_dict(item_id):
dict_duplicates = {}
for duplicate in get_item_duplicate(item_id):
duplicate = duplicate[1:-1].replace('\'', '').replace(' ', '').split(',')
duplicate_id = duplicate[1]
if not duplicate_id in dict_duplicates:
dict_duplicates[duplicate_id] = {'date': get_item_date(duplicate_id, add_separator=True), 'algo': {}}
algo = duplicate[0]
if algo == 'tlsh':
similarity = 100 - int(duplicate[2])
else:
similarity = int(duplicate[2])
dict_duplicates[duplicate_id]['algo'][algo] = similarity
return dict_duplicates
def add_item_duplicate(item_id, l_dup):
for item_dup in l_dup:
r_serv_metadata.sadd('dup:{}'.format(item_dup), item_id)
r_serv_metadata.sadd('dup:{}'.format(item_id), item_dup)
def delete_item_duplicate(item_id):
item_dup = get_item_duplicate(item_id)
for item_dup in get_item_duplicate(item_id):
r_serv_metadata.srem('dup:{}'.format(item_dup), item_id)
r_serv_metadata.delete('dup:{}'.format(item_id))
def get_raw_content(item_id):
filepath = get_item_filepath(item_id)
with open(filepath, 'rb') as f:
file_content = BytesIO(f.read())
return file_content
def save_raw_content(item_id, io_content):
filepath = get_item_filename(item_id)
if os.path.isfile(filepath):
#print('File already exist')
return False
# create subdir
dirname = os.path.dirname(filepath)
if not os.path.exists(dirname):
os.makedirs(dirname)
# # TODO: check if is IO file
with open(filepath, 'wb') as f:
f.write(io_content.getvalue())
return True
# IDEA: send item to duplicate ?
def create_item(obj_id, obj_metadata, io_content):
'''
Create a new Item (Import or Test only).
:param obj_id: item id
:type obj_metadata: dict - 'first_seen', 'tags'
:return: is item created
:rtype: boolean
'''
# check if datetime match ??
# # TODO: validate obj_id
res = save_raw_content(obj_id, io_content)
# item saved
if res:
# creata tags
if 'tags' in obj_metadata:
# # TODO: handle mixed tags: taxonomies and Galaxies
Tag.api_add_obj_tags(tags=obj_metadata['tags'], object_id=obj_id, object_type="item")
return True
# Item not created
return False
def delete_item(obj_id):
# check if item exists
if not exist_item(obj_id):
return False
else:
Tag.delete_obj_tags(obj_id, 'item', Tag.get_obj_tag(obj_id))
delete_item_duplicate(obj_id)
# delete MISP event
r_serv_metadata.delete('misp_events:{}'.format(obj_id))
r_serv_metadata.delete('hive_cases:{}'.format(obj_id))
os.remove(get_item_filename(obj_id))
# get all correlation
obj_correlations = get_item_all_correlation(obj_id)
for correlation in obj_correlations:
if correlation=='cryptocurrency' or correlation=='pgp':
for obj2_subtype in obj_correlations[correlation]:
for obj2_id in obj_correlations[correlation][obj2_subtype]:
Correlate_object.delete_obj_relationship(correlation, obj2_id, 'item', obj_id,
obj1_subtype=obj2_subtype)
else:
for obj2_id in obj_correlations[correlation]:
Correlate_object.delete_obj_relationship(correlation, obj2_id, 'item', obj_id)
# delete father/child
delete_node(obj_id)
# delete item metadata
r_serv_metadata.delete('paste_metadata:{}'.format(obj_id))
return True
### TODO in inport V2
# delete from tracked items
# delete from queue
###
return False
#### ####
def delete_node(item_id):
if is_node(item_id):
if is_crawled(item_id):
delete_domain_node(item_id)
item_basic._delete_node(item_id)
def delete_domain_node(item_id):
if is_domain_root(item_id):
# remove from domain history
domain, port = get_item_domain_with_port(item_id).split(':')
domain_basic.delete_domain_item_core(item_id, domain, port)
for child_id in get_all_domain_node_by_item_id(item_id):
delete_item(child_id)
# if __name__ == '__main__':
# import Domain
# domain = Domain.Domain('domain.onion')
# for domain_history in domain.get_domain_history():
# domain_item = domain.get_domain_items_crawled(epoch=domain_history[1]) # item_tag
# if "items" in domain_item:
# for item_dict in domain_item['items']:
# item_id = item_dict['id']
# print(item_id)
# for lang in get_item_languages(item_id, min_proportion=0.2, min_probability=0.8):
# print(lang)
# print()
# print(get_item_languages(item_id, min_proportion=0.2, min_probability=0.6)) # 0.7 ?
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