ail-framework/bin/lib/objects/Items.py

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
import base64
import gzip
import magic
import os
import re
import sys
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import cld3
import html2text
from io import BytesIO
from pymisp import MISPObject
sys.path.append(os.environ['AIL_BIN'])
##################################
# Import Project packages
##################################
from lib.ail_core import get_ail_uuid
from lib.objects.abstract_object import AbstractObject
from lib.ConfigLoader import ConfigLoader
from lib import item_basic
from lib.data_retention_engine import update_obj_date
from flask import url_for
config_loader = ConfigLoader()
# # TODO: get and sanitize ITEMS DIRECTORY
ITEMS_FOLDER = os.path.join(os.environ['AIL_HOME'], config_loader.get_config_str("Directories", "pastes")) + '/'
ITEMS_FOLDER = os.path.join(os.path.realpath(ITEMS_FOLDER), '')
r_cache = config_loader.get_redis_conn("Redis_Cache")
r_object = config_loader.get_db_conn("Kvrocks_Objects")
screenshot_directory = config_loader.get_files_directory('screenshot')
har_directory = config_loader.get_files_directory('har')
baseurl = config_loader.get_config_str("Notifications", "ail_domain")
config_loader = None
class Item(AbstractObject):
"""
AIL Item Object. (strings)
"""
def __init__(self, id):
super(Item, self).__init__('item', id)
def exists(self):
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return item_basic.exist_item(self.id)
def get_date(self, separator=False):
"""
Returns Item date
"""
return item_basic.get_item_date(self.id, add_separator=separator)
def get_source(self):
"""
Returns Item source/feeder name
"""
# return self.id.split('/')[-5]
l_source = self.id.split('/')[:-4]
return os.path.join(*l_source)
def get_basename(self):
return os.path.basename(self.id)
def get_filename(self):
# Creating the full filepath
filename = os.path.join(ITEMS_FOLDER, self.id)
filename = os.path.realpath(filename)
# incorrect filename
if not os.path.commonprefix([filename, ITEMS_FOLDER]) == ITEMS_FOLDER:
return None
else:
return filename
def get_content(self, binary=False):
"""
Returns Item content
"""
if binary:
return item_basic.get_item_content_binary(self.id)
else:
return item_basic.get_item_content(self.id)
def get_raw_content(self, decompress=False):
filepath = self.get_filename()
if decompress:
raw_content = BytesIO(self.get_content(binary=True))
else:
with open(filepath, 'rb') as f:
raw_content = BytesIO(f.read())
return raw_content
def get_gzip_content(self, b64=False):
with open(self.get_filename(), 'rb') as f:
content = f.read()
if b64:
content = base64.b64encode(content)
return content.decode()
def get_html2text_content(self, content=None, ignore_links=False):
if not content:
content = self.get_content()
h = html2text.HTML2Text()
h.ignore_links = ignore_links
h.ignore_images = ignore_links
return h.handle(content)
def get_size(self, r_str=False):
size = os.path.getsize(self.get_filename())/1024.0
if r_str:
size = round(size, 2)
return size
def get_ail_2_ail_payload(self):
payload = {'raw': self.get_gzip_content(b64=True)}
return payload
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def get_parent(self):
return item_basic.get_item_parent(self.id)
def set_parent(self, parent_id):
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r_object.sadd(f'child:item::{parent_id}', self.id)
r_object.hset(f'meta:item::{self.id}', 'parent', parent_id)
def add_children(self, child_id):
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r_object.sadd(f'child:item::{self.id}', child_id)
r_object.hset(f'meta:item::{child_id}', 'parent', self.id)
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####################################################################################
####################################################################################
def sanitize_id(self):
pass
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# # TODO: sanitize_id
# # TODO: check if already exists ?
# # TODO: check if duplicate
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def save_on_disk(self, content, binary=True, compressed=False, b64=False):
if not binary:
content = content.encode()
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if b64:
content = base64.standard_b64decode(content)
if not compressed:
content = gzip.compress(content)
# # TODO: # FIXME: raise Exception id filename is None ######
filename = self.get_filename()
dirname = os.path.dirname(filename)
if not os.path.exists(dirname):
os.makedirs(dirname)
with open(filename, 'wb') as f:
f.write(content)
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# # TODO:
# correlations
# content
# tags
# origin
# duplicate -> all item iterations ???
#
def create(self, content, tags, father=None, duplicates=[], _save=True):
if _save:
self.save_on_disk(content, binary=True, compressed=False, base64=False)
# # TODO:
# for tag in tags:
# self.add_tag(tag)
if father:
pass
for obj_id in duplicates:
for dup in duplicates[obj_id]:
self.add_duplicate(obj_id, dup['algo'], dup['similarity'])
# # WARNING: UNCLEAN DELETE /!\ TEST ONLY /!\
# TODO: DELETE ITEM CORRELATION + TAGS + METADATA + ...
def delete(self):
self._delete()
try:
os.remove(self.get_filename())
return True
except FileNotFoundError:
return False
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####################################################################################
####################################################################################
def get_link(self, flask_context=False):
if flask_context:
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url = url_for('objects_item.showItem', id=self.id)
else:
url = f'{baseurl}/object/item?id={self.id}'
return url
def get_svg_icon(self):
if is_crawled(self.id):
color = 'red'
else:
color = '#332288'
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return {'style': '', 'icon': '', 'color': color, 'radius': 5}
def get_misp_object(self):
obj_date = self.get_date()
obj = MISPObject('ail-leak', standalone=True)
obj.first_seen = obj_date
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obj_attrs = [obj.add_attribute('first-seen', value=obj_date),
obj.add_attribute('raw-data', value=self.id, data=self.get_raw_content()),
obj.add_attribute('sensor', value=get_ail_uuid())]
for obj_attr in obj_attrs:
for tag in self.get_tags():
obj_attr.add_tag(tag)
return obj
def exist_correlation(self):
pass
def is_crawled(self):
return self.id.startswith('crawled')
# if is_crawled
def get_domain(self):
return self.id[19:-36]
def get_screenshot(self):
s = self.get_correlation('screenshot')
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if s.get('screenshot'):
s = s['screenshot'].pop()[1:]
return os.path.join(s[0:2], s[2:4], s[4:6], s[6:8], s[8:10], s[10:12], s[12:])
def get_har(self):
har_path = os.path.join(har_directory, self.id) + '.json'
if os.path.isfile(har_path):
return har_path
else:
return None
def get_url(self):
return r_object.hget(f'meta:item::{self.id}', 'url')
def set_crawled(self, url, parent_id):
r_object.hset(f'meta:item::{self.id}', 'url', url)
self.set_parent(parent_id)
# options: set of optional meta fields
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def get_meta(self, options=None):
"""
:type options: set
"""
if options is None:
options = set()
meta = {'id': self.id,
'date': self.get_date(separator=True),
'source': self.get_source(),
'tags': self.get_tags(r_list=True)}
# optional meta fields
if 'content' in options:
meta['content'] = self.get_content()
if 'crawler' in options:
if self.is_crawled():
tags = meta.get('tags')
meta['crawler'] = self.get_meta_crawler(tags=tags)
if 'duplicates' in options:
meta['duplicates'] = self.get_duplicates()
if 'lines' in options:
content = meta.get('content')
meta['lines'] = self.get_meta_lines(content=content)
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if 'parent' in options:
meta['parent'] = self.get_parent()
if 'size' in options:
meta['size'] = self.get_size(r_str=True)
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if 'mimetype' in options:
content = meta.get('content')
meta['mimetype'] = self.get_mimetype(content=content)
# meta['encoding'] = None
return meta
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def get_meta_crawler(self, tags=None):
"""
:type tags: list
"""
if tags is None:
tags = []
crawler = {}
if self.is_crawled():
crawler['domain'] = self.get_domain()
crawler['har'] = self.get_har()
crawler['screenshot'] = self.get_screenshot()
crawler['url'] = self.get_url()
if not tags:
tags = self.get_tags()
crawler['is_tags_safe'] = self.is_tags_safe(tags)
return crawler
def get_meta_lines(self, content=None):
if not content:
content = self.get_content()
max_length = 0
nb_line = 0
for line in 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_languages(self, min_len=600, num_langs=3, min_proportion=0.2, min_probability=0.7):
all_languages = []
## CLEAN CONTENT ##
content = self.get_html2text_content(ignore_links=True)
content = remove_all_urls_from_content(self.id, item_content=content) ##########################################
# REMOVE USELESS SPACE
content = ' '.join(content.split())
#- CLEAN CONTENT -#
#print(content)
#print(len(content))
if len(content) >= min_len: # # TODO: # FIXME: check num langs limit
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
def get_mimetype(self, content=None):
if not content:
content = self.get_content()
return magic.from_buffer(content, mime=True)
############################################################################
############################################################################
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def _get_dir_source_name(directory, source_name=None, l_sources_name=None, filter_dir=False):
"""
:type l_sources_name: set
"""
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if not l_sources_name:
l_sources_name = set()
if source_name:
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l_dir = os.listdir(os.path.join(directory, source_name))
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else:
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l_dir = os.listdir(directory)
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# empty directory
if not l_dir:
return l_sources_name.add(source_name)
else:
for src_name in l_dir:
if len(src_name) == 4:
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# try:
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int(src_name)
to_add = os.path.join(source_name)
# filter sources, remove first directory
if filter_dir:
to_add = to_add.replace('archive/', '').replace('alerts/', '')
l_sources_name.add(to_add)
return l_sources_name
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# except:
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# pass
if source_name:
src_name = os.path.join(source_name, src_name)
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l_sources_name = _get_dir_source_name(directory, source_name=src_name, l_sources_name=l_sources_name, filter_dir=filter_dir)
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return l_sources_name
def get_items_sources(filter_dir=False, r_list=False):
res = _get_dir_source_name(ITEMS_FOLDER, filter_dir=filter_dir)
if res:
if r_list:
res = list(res)
return res
else:
return []
def get_items_by_source(source):
l_items = []
dir_item = os.path.join(os.environ['AIL_HOME'], ITEMS_FOLDER, source)
for root, dirs, files in os.walk(dir_item):
for file in files:
item_id = os.path.join(root, file).replace(ITEMS_FOLDER, '', 1)
l_items.append(item_id)
return l_items
def _manual_set_items_date_first_last():
first = 9999
last = 0
sources = get_items_sources()
for source in sources:
dir_source = os.path.join(os.environ['AIL_HOME'], ITEMS_FOLDER, source)
for dir_name in os.listdir(dir_source):
if os.path.isdir(os.path.join(dir_source, dir_name)):
date = int(dir_name)
if date < first:
first = date
if date > last:
last = date
if first != 9999:
update_obj_date(first, 'item')
if last != 0:
update_obj_date(last, 'item')
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#### API ####
def api_get_item(data):
item_id = data.get('id', None)
if not item_id:
return {'status': 'error', 'reason': 'Mandatory parameter(s) not provided'}, 400
item = Item(item_id)
if not item.exists():
return {'status': 'error', 'reason': 'Item not found'}, 404
options = set()
if data.get('content'):
options.add('content')
if data.get('crawler'):
options.add('crawler')
if data.get('duplicates'):
options.add('duplicates')
if data.get('lines'):
options.add('lines')
if data.get('mimetype'):
options.add('mimetype')
if data.get('parent'):
options.add('parent')
if data.get('size'):
options.add('size')
# TODO correlation
return item.get_meta(options=options), 200
# -- API -- #
################################################################################
################################################################################
################################################################################
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# TODO
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(ITEMS_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_all_sources():
return item_basic.get_all_items_sources(r_list=True)
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(ITEMS_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 = {'date': get_item_date(item_id, add_separator=True),
'source': get_source(item_id),
'size': get_item_size(item_id),
'encoding': get_item_encoding(item_id),
'lines': get_lines_info(item_id, item_content=item_content)
}
return item_metadata
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 = []
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## 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 {'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_object_tags('item', 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
def api_get_item_content_base64_utf8(request_dict):
item_id = request_dict.get('id', None)
if not request_dict:
return {'status': 'error', 'reason': 'Malformed JSON'}, 400
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
item_content = get_item_content(item_id)
item_content = base64.b64encode((item_content.encode('utf-8'))).decode('UTF-8')
return {'status': 'success', 'content': item_content}, 200
def api_get_items_sources():
item_content = {'sources': get_all_sources()}
return item_content, 200
# def check_item_source(request_dict):
# source = request_dict.get('source', None)
# if not request_dict:
# return {'status': 'error', 'reason': 'Malformed JSON'}, 400
# if not source:
# return {'status': 'error', 'reason': 'Mandatory parameter(s) not provided'}, 400
#
# all_sources = item_basic.get_all_items_sources()
#
# if source not in all_sources:
# return {'status': 'error', 'reason': 'Invalid source', 'provide': source}, 400
# return {'status': 'success', 'reason': 'Valid source', 'provide': source}, 200
###
### GET Internal Module DESC
###
def get_item_list_desc(list_item_id):
desc_list = []
for item_id in list_item_id:
item = Item(item_id)
desc_list.append( {'id': item_id, 'date': get_item_date(item_id), 'tags': item.get_tags(r_list=True)})
return desc_list
def is_crawled(item_id):
return item_basic.is_crawled(item_id)
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]
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# TODO MOVE ME
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_filename(item_id):
# Creating the full filepath
filename = os.path.join(ITEMS_FOLDER, item_id)
filename = os.path.realpath(filename)
# incorrect filename
if not os.path.commonprefix([filename, ITEMS_FOLDER]) == ITEMS_FOLDER:
return None
else:
return filename
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:
item = Item(obj_id)
# # TODO: handle mixed tags: taxonomies and Galaxies
# for tag in obj_metadata['tags']:
# item.add_tag(tag)
return True
# Item not created
return False
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# # check if item exists
# if not exist_item(obj_id):
# return False
# else:
# delete_item_duplicate(obj_id)
# # delete MISP event
# r_s_metadata.delete('misp_events:{}'.format(obj_id))
# r_s_metadata.delete('hive_cases:{}'.format(obj_id))
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#
# 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
#
# return True
#
# ### TODO in inport V2
# # delete from tracked items
#
# # # # TODO: # FIXME: LATER
# # delete from queue
# ###
# return False
#### ####
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# 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__':
# content = 'test file content'
# duplicates = {'tests/2020/01/02/test.gz': [{'algo':'ssdeep', 'similarity':75}, {'algo':'tlsh', 'similarity':45}]}
#
# item = Item('tests/2020/01/02/test_save.gz')
# item.create(content, _save=False)