trustchain-oc1-orchestral
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devicehub-teal
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implementation of hash3 for snapshots

This commit is contained in:
Cayo Puigdefabregas 2021-06-30 15:05:44 +02:00
parent 6d4212f314
commit 06c5137b32
2 changed files with 12 additions and 7 deletions
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12
ereuse_devicehub/resources/action/views/snapshot.py
View File

@ -3,10 +3,12 @@
import os import os
import json import json
import shutil import shutil
import hashlib
from datetime import datetime from datetime import datetime
from flask import current_app as app, g from flask import current_app as app, g
from sqlalchemy.util import OrderedSet from sqlalchemy.util import OrderedSet
from teal.marshmallow import ValidationError
from ereuse_devicehub.db import db from ereuse_devicehub.db import db
from ereuse_devicehub.resources.action.models import RateComputer, Snapshot from ereuse_devicehub.resources.action.models import RateComputer, Snapshot
@ -59,6 +61,14 @@ def move_json(tmp_snapshots, path_name, user, live=False):
os.remove(path_name) os.remove(path_name)
def check_hash_snapshot(snapshot_json):
debug = snapshot_json.pop('debug')
data = json.dumps(snapshot_json).encode('utf-8')
hash3 = hashlib.sha3_256(data).hexdigest()
if not hash3 in debug['hwinfo']:
txt = "This Snapshot is not valid"
raise ValidationError(txt)
class SnapshotView(): class SnapshotView():
"""Performs a Snapshot. """Performs a Snapshot.
@ -75,7 +85,7 @@ class SnapshotView():
self.resource_def = resource_def self.resource_def = resource_def
self.tmp_snapshots = app.config['TMP_SNAPSHOTS'] self.tmp_snapshots = app.config['TMP_SNAPSHOTS']
self.path_snapshot = save_json(snapshot_json, self.tmp_snapshots, g.user.email) self.path_snapshot = save_json(snapshot_json, self.tmp_snapshots, g.user.email)
snapshot_json.pop('debug', None) check_hash_snapshot(snapshot_json)
self.snapshot_json = resource_def.schema.load(snapshot_json) self.snapshot_json = resource_def.schema.load(snapshot_json)
self.response = self.build() self.response = self.build()
move_json(self.tmp_snapshots, self.path_snapshot, g.user.email) move_json(self.tmp_snapshots, self.path_snapshot, g.user.email)

7
ereuse_devicehub/resources/action/views/views.py
View File

@ -4,7 +4,6 @@ from datetime import timedelta
from distutils.version import StrictVersion from distutils.version import StrictVersion
from uuid import UUID from uuid import UUID
import jwt
from flask import current_app as app, request, g from flask import current_app as app, request, g
from teal.db import ResourceNotFound from teal.db import ResourceNotFound
from teal.marshmallow import ValidationError from teal.marshmallow import ValidationError
@ -172,12 +171,8 @@ class ActionView(View):
def post(self): def post(self):
"""Posts an action.""" """Posts an action."""
json = request.get_json(validate=False) json = request.get_json(validate=False)
if not json: if not json or 'type' not in json:
raise ValidationError('Post request needs a json.') raise ValidationError('Post request needs a json.')
elif 'type' not in json:
# JN TODO Use the user's key instead an empty string
key = ''
json = jwt.decode(json, key, algorithms="HS256")
# todo there should be a way to better get subclassess resource # todo there should be a way to better get subclassess resource
# defs # defs
resource_def = app.resources[json['type']] resource_def = app.resources[json['type']]