devicehub-django/evidence/parse.py
2024-09-26 10:10:15 +02:00

120 lines
3.5 KiB
Python

import os
import json
import shutil
import hashlib
from datetime import datetime
from dmidecode import DMIParse
from evidence.xapian import search, index
from evidence.models import Annotation
from utils.constants import ALGOS, CHASSIS_DH
def get_network_cards(child, nets):
if child['id'] == 'network' and "PCI:" in child.get("businfo"):
nets.append(child)
if child.get('children'):
[get_network_cards(x, nets) for x in child['children']]
def get_mac(lshw):
nets = []
try:
get_network_cards(json.loads(lshw), nets)
except Exception as ss:
print("WARNING!! {}".format(ss))
return
nets_sorted = sorted(nets, key=lambda x: x['businfo'])
# This funcion get the network card integrated in motherboard
# integrate = [x for x in nets if "pci@0000:00:" in x.get('businfo', '')]
if nets_sorted:
return nets_sorted[0]['serial']
class Build:
def __init__(self, evidence_json, user, check=False):
self.json = evidence_json
self.uuid = self.json['uuid']
self.user = user
self.hid = None
self.generate_chids()
if check:
return
self.index()
self.create_annotations()
def index(self):
snap = json.dumps(self.json)
index(self.uuid, snap)
def generate_chids(self):
self.algorithms = {
'hidalgo1': self.get_hid_14(),
}
def get_hid_14(self):
if self.json.get("software") == "EreuseWorkbench":
hid = self.get_hid(self.json)
else:
device = self.json['device']
manufacturer = device.get("manufacturer", '')
model = device.get("model", '')
chassis = device.get("chassis", '')
serial_number = device.get("serialNumber", '')
sku = device.get("sku", '')
hid = f"{manufacturer}{model}{chassis}{serial_number}{sku}"
return hashlib.sha3_256(hid.encode()).hexdigest()
def create_annotations(self):
for k, v in self.algorithms.items():
Annotation.objects.create(
uuid=self.uuid,
owner=self.user.institution,
type=Annotation.Type.SYSTEM,
key=k,
value=v
)
def get_chassis_dh(self):
chassis = self.get_chassis()
lower_type = chassis.lower()
for k, v in CHASSIS_DH.items():
if lower_type in v:
return k
return self.default
def get_sku(self):
return self.dmi.get("System")[0].get("SKU Number", "n/a").strip()
def get_chassis(self):
return self.dmi.get("Chassis")[0].get("Type", '_virtual')
def get_hid(self, snapshot):
dmidecode_raw = snapshot["data"]["dmidecode"]
self.dmi = DMIParse(dmidecode_raw)
manufacturer = self.dmi.manufacturer().strip()
model = self.dmi.model().strip()
chassis = self.get_chassis_dh()
serial_number = self.dmi.serial_number()
sku = self.get_sku()
if not snapshot["data"].get('lshw'):
return f"{manufacturer}{model}{chassis}{serial_number}{sku}"
lshw = snapshot["data"]["lshw"]
# mac = get_mac2(hwinfo_raw) or ""
mac = get_mac(lshw) or ""
if not mac:
print("WARNING!! No there are MAC address")
else:
print(f"{manufacturer}{model}{chassis}{serial_number}{sku}{mac}")
return f"{manufacturer}{model}{chassis}{serial_number}{sku}{mac}"