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

#!/usr/bin/env python3
# -*-coding:UTF-8 -*

import os
import sys

sys.path.append(os.environ['AIL_BIN'])
##################################
# Import Project packages
##################################
from lib.ConfigLoader import ConfigLoader
from lib.ail_core import get_all_objects, get_object_all_subtypes, get_all_objects_with_subtypes_tuple
from lib import correlations_engine
from lib import btc_ail
from lib import Tag

from lib.objects import CryptoCurrencies
from lib.objects.Cves import Cve
from lib.objects.Decodeds import Decoded
from lib.objects.Domains import Domain
from lib.objects.Items import Item
from lib.objects import Pgps
from lib.objects.Screenshots import Screenshot
from lib.objects import Usernames

config_loader = ConfigLoader()

config_loader = None




def is_valid_object_type(obj_type):
    return obj_type in get_all_objects()

def is_valid_object_subtype(obj_type, subtype):
    return subtype in get_object_all_subtypes(obj_type)

def sanitize_objs_types(objs):
    l_types = []
    for obj in objs:
        if is_valid_object_type(obj):
            l_types.append(obj)
    if not l_types:
        l_types = get_all_objects()
    return l_types


def get_object(obj_type, subtype, id):
    if obj_type == 'item':
        return Item(id)
    elif obj_type == 'domain':
        return Domain(id)
    elif obj_type == 'decoded':
        return Decoded(id)
    elif obj_type == 'cve':
        return Cve(id)
    elif obj_type == 'screenshot':
        return Screenshot(id)
    elif obj_type == 'cryptocurrency':
        return CryptoCurrencies.CryptoCurrency(id, subtype)
    elif obj_type == 'pgp':
        return Pgps.Pgp(id, subtype)
    elif obj_type == 'username':
        return Usernames.Username(id, subtype)

def get_objects(objects):
    objs = set()
    for obj in objects:
        if isinstance(obj, dict):
            obj_type = obj['type']
            obj_subtype = obj['subtype']
            obj_id = obj['id']
            if 'lvl' in obj:
                correl_objs = get_obj_correlations_objs(obj_type, obj_subtype, obj_id, lvl=obj['lvl'])
                objs = objs.union(correl_objs)
        else:
            obj_type, obj_subtype, obj_id = obj
        objs.add((obj_type, obj_subtype, obj_id))
    ail_objects = []
    for obj in objs:
        ail_objects.append(get_object(obj[0], obj[1], obj[2]))
    return ail_objects


def exists_obj(obj_type, subtype, obj_id):
    obj = get_object(obj_type, subtype, obj_id)
    if obj:
        return obj.exists()
    else:
        return False


def get_obj_global_id(obj_type, subtype, obj_id):
    obj = get_object(obj_type, subtype, obj_id)
    return obj.get_global_id()


def get_obj_from_global_id(global_id):
    obj = global_id.split(':', 3)
    return get_object(obj[0], obj[1], obj[2])


def get_object_link(obj_type, subtype, id, flask_context=False):
    obj = get_object(obj_type, subtype, id)
    return obj.get_link(flask_context=flask_context)


def get_object_svg(obj_type, subtype, id):
    obj = get_object(obj_type, subtype, id)
    return obj.get_svg_icon()


## TAGS ##
def get_obj_tags(obj_type, subtype, id):
    obj = get_object(obj_type, subtype, id)
    return obj.get_tags()


def add_obj_tag(obj_type, subtype, id, tag):
    obj = get_object(obj_type, subtype, id)
    obj.add_tag(tag)


def add_obj_tags(obj_type, subtype, id, tags):
    obj = get_object(obj_type, subtype, id)
    for tag in tags:
        obj.add_tag(tag)


# -TAGS- #

def get_object_meta(obj_type, subtype, id, options=set(), flask_context=False):
    obj = get_object(obj_type, subtype, id)
    meta = obj.get_meta(options=options)
    meta['icon'] = obj.get_svg_icon()
    meta['link'] = obj.get_link(flask_context=flask_context)
    return meta


def get_objects_meta(objs, options=[], flask_context=False):
    metas = []
    for obj_dict in objs:
        metas.append(get_object_meta(obj_dict['type'], obj_dict['subtype'], obj_dict['id'], options=options,
                                     flask_context=flask_context))
    return metas


def get_object_card_meta(obj_type, subtype, id, related_btc=False):
    obj = get_object(obj_type, subtype, id)
    meta = obj.get_meta()
    meta['icon'] = obj.get_svg_icon()
    if subtype or obj_type == 'cve':
        meta['sparkline'] = obj.get_sparkline()
        if obj_type == 'cve':
            meta['cve_search'] = obj.get_cve_search()
    if subtype == 'bitcoin' and related_btc:
        meta["related_btc"] = btc_ail.get_bitcoin_info(obj.id)
    if obj.get_type() == 'decoded':
        meta["vt"] = obj.get_meta_vt()
        meta["vt"]["status"] = obj.is_vt_enabled()
    # TAGS MODAL
    if obj.get_type() == 'screenshot' or obj.get_type() == 'decoded':
        meta["add_tags_modal"] = Tag.get_modal_add_tags(obj.id, obj.get_type(), obj.get_subtype(r_str=True))
    return meta


def get_ui_obj_tag_table_keys(obj_type):
    '''
    Warning: use only in flask (dynamic templates)
    '''
    if obj_type == "domain":
        return ['id', 'first_seen', 'last_check', 'status']  # # TODO: add root screenshot


# # # # MISP OBJECTS # # # #

# # TODO: CHECK IF object already have an UUID
def get_misp_object(obj_type, subtype, id):
    obj = get_object(obj_type, subtype, id)
    return obj.get_misp_object()


def get_misp_objects(objs):
    misp_objects = {}
    for obj in objs:
        misp_objects[obj] = obj.get_misp_object()
    for relation in get_objects_relationships(objs):
        obj_src = misp_objects[relation['src']]
        obj_dest = misp_objects[relation['dest']]
        # print(relation['src'].get_id(), relation['dest'].get_id())
        obj_src.add_reference(obj_dest.uuid, relation['relationship'], 'ail correlation')
    return misp_objects.values()

# get misp relationship
def get_objects_relationships(objs):
    relation = []
    if len(objs) == 2:
        if objs[0].are_correlated(objs[1]):
            relationship = get_objects_relationship(objs[0], objs[1])
            if relationship:
                relation.append(relationship)
    else:
        iterator = objs.copy()  # [obj1, obj2, obj3, obj4]
        for obj in objs[:-1]:  # [obj1, obj2, obj3]
            iterator.pop(0)  # [obj2, obj3, obj4] obj1 correlation already checked
            for obj2 in iterator:
                # CHECK CORRELATION obj - > obj2
                if obj.are_correlated(obj2):
                    relationship = get_objects_relationship(obj, obj2)
                    if relationship:
                        relation.append(relationship)
    return relation

def get_relationship_src_dest(src_type, obj1, obj2):
    if obj1.get_type() == src_type:
        src = obj1
        dest = obj2
    else:
        src = obj2
        dest = obj1
    return src, dest

# get misp relationship
def get_objects_relationship(obj1, obj2):
    obj_types = (obj1.get_type(), obj2.get_type())

    ##############################################################
    # if ['cryptocurrency', 'pgp', 'username', 'decoded', 'screenshot']:
    #     {'relation': '', 'src':, 'dest':}
    #     relationship[relation] =
    ##############################################################
    if 'cryptocurrency' in obj_types:
        relationship = 'extracted-from'
        src, dest = get_relationship_src_dest('cryptocurrency', obj1, obj2)
    elif 'cve' in obj_types:
        relationship = 'extracted-from'
        src, dest = get_relationship_src_dest('cve', obj1, obj2)
    elif 'pgp' in obj_types:
        relationship = 'extracted-from'
        src, dest = get_relationship_src_dest('pgp', obj1, obj2)
    elif 'username' in obj_types:
        relationship = 'extracted-from'
        src, dest = get_relationship_src_dest('username', obj1, obj2)
    elif 'decoded' in obj_types:
        relationship = 'included-in'
        src, dest = get_relationship_src_dest('decoded', obj1, obj2)
    elif 'screenshot' in obj_types:
        relationship = 'screenshot-of'
        src, dest = get_relationship_src_dest('screenshot', obj1, obj2)
    elif 'domain' in obj_types:
        relationship = 'extracted-from'
        src, dest = get_relationship_src_dest('domain', obj1, obj2)
    # default
    else:
        relationship = None
        src = None
        dest = None
    if not relationship:
        return {}
    else:
        return {'src': src, 'dest': dest, 'relationship': relationship}

# - - - MISP OBJECTS - - - #


def api_sanitize_object_type(obj_type):
    if not is_valid_object_type(obj_type):
        return {'status': 'error', 'reason': 'Incorrect object type'}, 400


def get_obj_correlations(obj_type, subtype, obj_id):
    obj = get_object(obj_type, subtype, obj_id)
    return obj.get_correlations()

def _get_obj_correlations_objs(objs, obj_type, subtype, obj_id, lvl=0):
    if lvl > 0 and (obj_type, subtype, obj_id) not in objs:  # Avoid looking for the same correlation
        objs.add((obj_type, subtype, obj_id))
        lvl = lvl - 1
        obj = get_object(obj_type, subtype, obj_id)
        correlations = obj.get_correlations()
        # print('--------------------------')
        # print( obj_id, correlations)
        # print(lvl)
        # print('--------------------------')
        for obj2_type in correlations:
            for str_obj in correlations[obj2_type]:
                obj2_subtype, obj2_id = str_obj.split(':', 1)
                _get_obj_correlations_objs(objs, obj2_type, obj2_subtype, obj2_id, lvl=lvl)
    # print(len(objs))
    objs.add((obj_type, subtype, obj_id))
    return objs

def get_obj_correlations_objs(obj_type, subtype, obj_id, lvl=0):
    objs = set()
    _get_obj_correlations_objs(objs, obj_type, subtype, obj_id, lvl=lvl)
    return objs

################################################################################
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def delete_obj(obj_type, subtype, obj_id):
    obj = get_object(obj_type, subtype, obj_id)
    return obj.delete()


################################################################################
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def create_correlation_graph_links(links_set):
    links = []
    for link in links_set:
        links.append({"source": link[0], "target": link[1]})
    return links


def create_correlation_graph_nodes(nodes_set, obj_str_id, flask_context=True):
    graph_nodes_list = []
    for node_id in nodes_set:
        obj_type, subtype, obj_id = node_id.split(';', 2)
        dict_node = {'id': node_id}
        dict_node['style'] = get_object_svg(obj_type, subtype, obj_id)

        # # TODO: # FIXME: in UI
        dict_node['style']['icon_class'] = dict_node['style']['style']
        dict_node['style']['icon_text'] = dict_node['style']['icon']
        dict_node['style']['node_color'] = dict_node['style']['color']
        dict_node['style']['node_radius'] = dict_node['style']['radius']
        # # TODO: # FIXME: in UI

        dict_node['text'] = obj_id
        if node_id == obj_str_id:
            dict_node["style"]["node_color"] = 'orange'
            dict_node["style"]["node_radius"] = 7
        dict_node['url'] = get_object_link(obj_type, subtype, obj_id, flask_context=flask_context)
        graph_nodes_list.append(dict_node)
    return graph_nodes_list


def get_correlations_graph_node(obj_type, subtype, obj_id, filter_types=[], max_nodes=300, level=1,
                                flask_context=False):
    obj_str_id, nodes, links = correlations_engine.get_correlations_graph_nodes_links(obj_type, subtype, obj_id,
                                                                                      filter_types=filter_types,
                                                                                      max_nodes=max_nodes, level=level,
                                                                                      flask_context=flask_context)
    return {"nodes": create_correlation_graph_nodes(nodes, obj_str_id, flask_context=flask_context),
            "links": create_correlation_graph_links(links)}


###############


# if __name__ == '__main__':
    # r = get_objects([{'lvl': 1, 'type': 'item', 'subtype': '', 'id': 'crawled/2020/09/14/circl.lu0f4976a4-dda4-4189-ba11-6618c4a8c951'}])
    # r = get_misp_objects([Item('crawled/2020/09/14/circl.lu0f4976a4-dda4-4189-ba11-6618c4a8c951'),
    #                       Cve('CVE-2020-16856'), Cve('CVE-2014-6585'), Cve('CVE-2015-0383'),
    #                       Cve('CVE-2015-0410')])
    # print()
    # print(r)

    # res = get_obj_correlations_objs('username', 'telegram', 'corona', lvl=100)
    # print(res)