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devicehub-django
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register device and dpp in dlt and dpp api

This commit is contained in:
Cayo Puigdefabregas 2024-11-18 19:37:08 +01:00
parent 9857891b63
commit 0d574cae63
11 changed files with 218 additions and 128 deletions
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19
device/templates/details.html
View File

@ -29,6 +29,9 @@
<li class="nav-item">
<a href="#evidences" class="nav-link" data-bs-toggle="tab" data-bs-target="#evidences">{% trans 'Evidences' %}</a>
</li>
<li class="nav-item">
<a href="#dpps" class="nav-link" data-bs-toggle="tab" data-bs-target="#evidences">{% trans 'Dpps' %}</a>
</li>
<li class="nav-item">
<a class="nav-link" href="{% url 'device:device_web' object.id %}" target="_blank">Web</a>
</li>
@ -229,6 +232,22 @@
{% endfor %}
</div>
</div>
<div class="tab-pane fade" id="dpps">
<h5 class="card-title">{% trans 'List of dpps' %}</h5>
<div class="list-group col-6">
{% for d in dpps %}
<div class="list-group-item">
<div class="d-flex w-100 justify-content-between">
<small class="text-muted">{{ d.timestamp }}</small>
</div>
<p class="mb-1">
<a href="{% url 'evidence:details' d.uuid %}">{{ d.signature }}</a>
</p>
</div>
{% endfor %}
</div>
</div>
</div>
{% endblock %}

3
device/views.py
View File

@ -14,6 +14,7 @@ from django.views.generic.base import TemplateView
from dashboard.mixins import DashboardView, Http403
from evidence.models import Annotation
from lot.models import LotTag
from dpp.models import Proof
from device.models import Device
from device.forms import DeviceFormSet
@ -103,10 +104,12 @@ class DetailsView(DashboardView, TemplateView):
context = super().get_context_data(**kwargs)
self.object.initial()
lot_tags = LotTag.objects.filter(owner=self.request.user.institution)
dpps = Proof.objects.filter(uuid_in=self.object.uuids)
context.update({
'object': self.object,
'snapshot': self.object.get_last_evidence(),
'lot_tags': lot_tags,
'dpps': dpps,
})
return context

1
dhub/urls.py
View File

@ -27,4 +27,5 @@ urlpatterns = [
path("user/", include("user.urls")),
path("lot/", include("lot.urls")),
path('api/', include('api.urls')),
path('dpp/', include('dpp.urls')),
]

183
dpp/api_dlt.py
View File

@ -1,38 +1,106 @@
import time
import logging
from django.conf import settings
from ereuseapi.methods import API
from dpp.models import Proof, Dpp
logger = logging.getLogger('django')
# """The code of the status response of api dlt."""
STATUS_CODE = {
"Success": 201,
"Notwork": 400
}
ALGORITHM = "sha3-256"
PROOF_TYPE = {
'Register': 'Register',
'IssueDPP': 'IssueDPP',
'proof_of_recycling': 'proof_of_recycling',
'Erase': 'Erase',
'EWaste': 'EWaste',
}
def connect_api():
if not session.get('token_dlt'):
if not settings.get('TOKEN_DLT'):
return
token_dlt = session.get('token_dlt')
api_dlt = app.config.get('API_DLT')
token_dlt = settings.get('TOKEN_DLT')
api_dlt = settings.get('API_DLT')
return API(api_dlt, token_dlt, "ethereum")
def register_dlt():
api = self.connect_api()
def register_dlt(chid, phid, proof_type=None):
api = connect_api()
if not api:
return
snapshot = [x for x in self.actions if x.t == 'Snapshot']
if not snapshot:
if proof_type:
return api.generate_proof(
chid,
ALGORITHM,
phid,
proof_type,
settings.get('ID_FEDERATED')
)
return api.register_device(
chid,
ALGORITHM,
phid,
settings.get('ID_FEDERATED')
)
def issuer_dpp_dlt(dpp):
phid = dpp.split(":")[0]
api = connect_api()
if not api:
return
snapshot = snapshot[0]
from ereuse_devicehub.modules.dpp.models import ALGORITHM
from ereuse_devicehub.resources.enums import StatusCode
return api.issue_passport(
dpp,
ALGORITHM,
phid,
settings.get('ID_FEDERATED')
)
def save_proof(signature, ev_uuid, result, proof_type, user):
if result['Status'] == STATUS_CODE.get("Success"):
timestamp = result.get('Data', {}).get('data', {}).get('timestamp')
if not timestamp:
return
d = {
"type": proof_type,
"timestamp": timestamp,
"issuer": user.institution.id,
"user": user,
"uuid": ev_uuid,
"signature": signature,
}
Proof.objects.create(**d)
def register_device_dlt(chid, phid, ev_uuid, user):
cny_a = 1
while cny_a:
api = self.connect_api()
result = api.register_device(
self.chid,
ALGORITHM,
snapshot.phid_dpp,
app.config.get('ID_FEDERATED')
)
result = register_dlt(chid, phid)
try:
assert result['Status'] == StatusCode.Success.value
assert result['Status'] == STATUS_CODE.get("Success")
assert result['Data']['data']['timestamp']
cny_a = 0
except Exception:
@ -42,55 +110,42 @@ def register_dlt():
else:
cny_a = 0
save_proof(phid, ev_uuid, result, PROOF_TYPE['Register'], user)
register_proof(result)
if app.config.get('ID_FEDERATED'):
cny = 1
while cny:
try:
api.add_service(
self.chid,
'DeviceHub',
app.config.get('ID_FEDERATED'),
'Inventory service',
'Inv',
)
cny = 0
except Exception:
time.sleep(10)
# TODO is neccesary?
# if settings.get('ID_FEDERATED'):
# cny = 1
# while cny:
# try:
# api.add_service(
# chid,
# 'DeviceHub',
# settings.get('ID_FEDERATED'),
# 'Inventory service',
# 'Inv',
# )
# cny = 0
# except Exception:
# time.sleep(10)
def register_proof(self, result):
from ereuse_devicehub.modules.dpp.models import PROOF_ENUM, Proof
from ereuse_devicehub.resources.enums import StatusCode
if result['Status'] == StatusCode.Success.value:
timestamp = result.get('Data', {}).get('data', {}).get('timestamp')
if not timestamp:
return
snapshot = [x for x in self.actions if x.t == 'Snapshot']
if not snapshot:
return
snapshot = snapshot[0]
d = {
"type": PROOF_ENUM['Register'],
"device": self,
"action": snapshot,
"timestamp": timestamp,
"issuer_id": g.user.id,
"documentId": snapshot.id,
"documentSignature": snapshot.phid_dpp,
"normalizeDoc": snapshot.json_hw,
}
proof = Proof(**d)
db.session.add(proof)
if not hasattr(self, 'components'):
def register_passport_dlt(chid, phid, ev_uuid, user):
dpp = "{chid}:{phid}".format(chid=chid, phid=phid)
if Proof.objects.filter(signature=dpp, type=PROOF_TYPE['IssueDPP']).exists():
return
for c in self.components:
if isinstance(c, DataStorage):
c.register_dlt()
cny_a = 1
while cny_a:
try:
result = issuer_dpp_dlt(dpp)
cny_a = 0
except Exception as err:
logger.error("ERROR API issue passport return: %s", err)
time.sleep(10)
if result['Status'] is not STATUS_CODE.get("Success"):
logger.error("ERROR API issue passport return: %s", result)
return
save_proof(phid, ev_uuid, result, PROOF_TYPE['IssueDPP'], user)

42
dpp/migrations/0001_initial.py
View File

@ -1,4 +1,4 @@
# Generated by Django 5.0.6 on 2024-11-15 18:55
# Generated by Django 5.0.6 on 2024-11-18 14:29
import django.db.models.deletion
from django.conf import settings
@ -15,42 +15,6 @@ class Migration(migrations.Migration):
]
operations = [
migrations.CreateModel(
name="Dpp",
fields=[
(
"id",
models.BigAutoField(
auto_created=True,
primary_key=True,
serialize=False,
verbose_name="ID",
),
),
("timestamp", models.IntegerField()),
("key", models.CharField(max_length=256)),
("uuid", models.UUIDField()),
("signature", models.CharField(max_length=256)),
("normalizeDoc", models.TextField()),
("type", models.CharField(max_length=256)),
(
"owner",
models.ForeignKey(
on_delete=django.db.models.deletion.CASCADE,
to="user.institution",
),
),
(
"user",
models.ForeignKey(
blank=True,
null=True,
on_delete=django.db.models.deletion.SET_NULL,
to=settings.AUTH_USER_MODEL,
),
),
],
),
migrations.CreateModel(
name="Proof",
fields=[
@ -66,11 +30,9 @@ class Migration(migrations.Migration):
("timestamp", models.IntegerField()),
("uuid", models.UUIDField()),
("signature", models.CharField(max_length=256)),
("normalizeDoc", models.TextField()),
("type", models.CharField(max_length=256)),
("action", models.CharField(max_length=256)),
(
"owner",
"issuer",
models.ForeignKey(
on_delete=django.db.models.deletion.CASCADE,
to="user.institution",

19
dpp/models.py
View File

@ -5,26 +5,11 @@ from utils.constants import STR_EXTEND_SIZE
class Proof(models.Model):
## The signature can be a phid or dpp depending of type of Proof
timestamp = models.IntegerField()
uuid = models.UUIDField()
signature = models.CharField(max_length=STR_EXTEND_SIZE)
normalizeDoc = models.TextField()
type = models.CharField(max_length=STR_EXTEND_SIZE)
action = models.CharField(max_length=STR_EXTEND_SIZE)
owner = models.ForeignKey(Institution, on_delete=models.CASCADE)
issuer = models.ForeignKey(Institution, on_delete=models.CASCADE)
user = models.ForeignKey(
User, on_delete=models.SET_NULL, null=True, blank=True)
class Dpp(models.Model):
timestamp = models.IntegerField()
key = models.CharField(max_length=STR_EXTEND_SIZE)
uuid = models.UUIDField()
signature = models.CharField(max_length=STR_EXTEND_SIZE)
normalizeDoc = models.TextField()
type = models.CharField(max_length=STR_EXTEND_SIZE)
owner = models.ForeignKey(Institution, on_delete=models.CASCADE)
user = models.ForeignKey(
User, on_delete=models.SET_NULL, null=True, blank=True)

8
dpp/urls.py Normal file
View File

@ -0,0 +1,8 @@
from django.urls import path
from dpp import views
app_name = 'dpp'
urlpatterns = [
path("<int:proof_id>/", views.LotDashboardView.as_view(), name="proof"),
]

37
dpp/views.py
View File

@ -1,3 +1,36 @@
from django.shortcuts import render
from django.views.generic.edit import View
from django.http import JsonResponse
# Create your views here.
from evidence.xapian import search
from dpp.models import Proof
from dpp.api_dlt import ALGORITHM
class ProofView(View):
def get(self, request, *args, **kwargs):
timestamp = kwargs.get("proof_id")
proof = Proof.objects.filter(timestamp=timestamp).first()
if not proof:
return JsonResponse({}, status=404)
ev_uuid = 'uuid:"{}"'.format(proof.uuid)
matches = search(None, ev_uuid, limit=1)
if not matches or matches.size() < 1:
return JsonResponse({}, status=404)
for x in matches:
snap = x.document.get_data()
data = {
"algorithm": ALGORITHM,
"document": snap
}
d = {
'@context': ['https://ereuse.org/proof0.json'],
'data': data,
}
return JsonResponse(d, status=200)
return JsonResponse({}, status=404)

7
evidence/models.py
View File

@ -1,4 +1,5 @@
import json
import hashlib
from dmidecode import DMIParse
from django.db import models
@ -58,6 +59,12 @@ class Evidence:
if a:
self.owner = a.owner
def get_phid(self):
if not self.doc:
self.get_doc()
return hashlib.sha3_256(json.dumps(self.doc)).hexdigest()
def get_doc(self):
self.doc = {}
if not self.owner:

15
evidence/parse.py
View File

@ -8,11 +8,13 @@ from evidence.parse_details import get_lshw_child
from evidence.models import Annotation
from evidence.xapian import index
from dpp.api_dlt import register_device_dlt, register_passport_dlt
from utils.constants import CHASSIS_DH
logger = logging.getLogger('django')
def get_mac(lshw):
try:
if type(lshw) is dict:
@ -40,6 +42,8 @@ class Build:
self.uuid = self.json['uuid']
self.user = user
self.hid = None
self.chid = None
self.phid = self.get_signature(self.json)
self.generate_chids()
if check:
@ -47,6 +51,7 @@ class Build:
self.index()
self.create_annotations()
self.register_device_dlt()
def index(self):
snap = json.dumps(self.json)
@ -70,7 +75,8 @@ class Build:
hid = f"{manufacturer}{model}{chassis}{serial_number}{sku}"
return hashlib.sha3_256(hid.encode()).hexdigest()
self.chid = hashlib.sha3_256(hid.encode()).hexdigest()
return self.chid
def create_annotations(self):
annotation = Annotation.objects.filter(
@ -129,3 +135,10 @@ class Build:
logger.warning(txt, snapshot['uuid'])
return f"{manufacturer}{model}{chassis}{serial_number}{sku}{mac}"
def get_signature(self, doc):
return hashlib.sha3_256(json.dumps(doc).encode()).hexdigest()
def register_device_dlt(self):
register_device_dlt(self.chid, self.phid, self.uuid, self.user)
register_passport_dlt(self.chid, self.phid, self.uuid, self.user)

12
evidence/xapian.py
View File

@ -22,10 +22,14 @@ def search(institution, qs, offset=0, limit=10):
qp.set_stemming_strategy(xapian.QueryParser.STEM_SOME)
qp.add_prefix("uuid", "uuid")
query = qp.parse_query(qs)
institution_term = "U{}".format(institution.id)
final_query = xapian.Query(
xapian.Query.OP_AND, query, xapian.Query(institution_term)
)
if institution:
institution_term = "U{}".format(institution.id)
final_query = xapian.Query(
xapian.Query.OP_AND, query, xapian.Query(institution_term)
)
else:
final_query = xapian.Query(query)
enquire = xapian.Enquire(database)
enquire.set_query(final_query)
matches = enquire.get_mset(offset, limit)