„Licenseserver/health_view/admin.py“ ändern

Contentserver/Contentserver/asgi.py

@@ -1,16 +0,0 @@
-"""
-ASGI config for Contentserver project.
-
-It exposes the ASGI callable as a module-level variable named ``application``.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/3.1/howto/deployment/asgi/
-"""
-
-import os
-
-from django.core.asgi import get_asgi_application
-
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'Contentserver.settings')
-
-application = get_asgi_application()

Contentserver/Contentserver/settings.py

@@ -1,138 +0,0 @@
-"""
-Django settings for Contentserver project.
-
-Generated by 'django-admin startproject' using Django 3.1.4.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/3.1/topics/settings/
-
-For the full list of settings and their values, see
-https://docs.djangoproject.com/en/3.1/ref/settings/
-"""
-
-from pathlib import Path
-import os
-
-# Build paths inside the project like this: BASE_DIR / 'subdir'.
-BASE_DIR = Path(__file__).resolve().parent.parent
-
-
-# Quick-start development settings - unsuitable for production
-# See https://docs.djangoproject.com/en/3.1/howto/deployment/checklist/
-
-# SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = '#^9h3-tg+(r__c)5m9@51#iq+f!e+ifr2&(q3y_3w=-9h2aizr'
-
-# SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
-
-ALLOWED_HOSTS = ['192.168.192.75', '188.195.130.70', '0.0.0.0', 'localhost', '127.0.0.1']
-
-CORS_ORIGIN_ALLOW_ALL=True
-# Application definition
-
-INSTALLED_APPS = [
-    'corsheaders',
-    'django.contrib.admin',
-    'django.contrib.auth',
-    'django.contrib.contenttypes',
-    'django.contrib.sessions',
-    'django.contrib.messages',
-    'django.contrib.staticfiles',
-    'rest_framework',
-    'health_view'
-]
-
-REST_FRAMEWORK = {
-    # Use Django's standard `django.contrib.auth` permissions,
-    # or allow read-only access for unauthenticated users.
-    'DEFAULT_PERMISSION_CLASSES': [
-        'rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly'
-    ],
-    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
-    'PAGE_SIZE': 10
-}
-
-
-MIDDLEWARE = [
-    'corsheaders.middleware.CorsMiddleware',
-    'django.middleware.common.CommonMiddleware',
-    'django.middleware.security.SecurityMiddleware',
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
-    'django.middleware.clickjacking.XFrameOptionsMiddleware',
-]
-
-ROOT_URLCONF = 'Contentserver.urls'
-
-TEMPLATES = [
-    {
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [os.path.join(BASE_DIR, 'templates')],
-        'APP_DIRS': True,
-        'OPTIONS': {
-            'context_processors': [
-                'django.template.context_processors.debug',
-                'django.template.context_processors.request',
-                'django.contrib.auth.context_processors.auth',
-                'django.contrib.messages.context_processors.messages',
-            ],
-        },
-    },
-]
-
-WSGI_APPLICATION = 'Contentserver.wsgi.application'
-
-
-# Database
-# https://docs.djangoproject.com/en/3.1/ref/settings/#databases
-
-DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': BASE_DIR / 'db.sqlite3',
-    }
-}
-
-
-# Password validation
-# https://docs.djangoproject.com/en/3.1/ref/settings/#auth-password-validators
-
-AUTH_PASSWORD_VALIDATORS = [
-    {
-        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
-    },
-]
-
-
-# Internationalization
-# https://docs.djangoproject.com/en/3.1/topics/i18n/
-
-LANGUAGE_CODE = 'en-us'
-
-TIME_ZONE = 'Europe/Berlin'
-
-USE_I18N = True
-
-USE_L10N = True
-
-USE_TZ = True
-
-
-# Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/3.1/howto/static-files/
-
-STATIC_URL = '/static/'
-LOGIN_REDIRECT_URL = '/'

Contentserver/Contentserver/urls.py

@@ -1,18 +0,0 @@
-from django.urls import include, path
-from rest_framework import routers
-from health_view import views
-from django.contrib import admin
-
-router = routers.DefaultRouter()
-router.register(r'users', views.UserViewSet)
-router.register(r'groups', views.GroupViewSet)
-router.register(r'folderpartnames', views.GetFolderPartNames)
-
-# Wire up our API using automatic URL routing.
-# Additionally, we include login URLs for the browsable API.
-urlpatterns = [
-    path('admin/', admin.site.urls),
-    path('', include(router.urls)),
-    path('', include('health_view.urls')),
-    path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
-]

Contentserver/Contentserver/wsgi.py

@@ -1,16 +0,0 @@
-"""
-WSGI config for Contentserver project.
-
-It exposes the WSGI callable as a module-level variable named ``application``.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/3.1/howto/deployment/wsgi/
-"""
-
-import os
-
-from django.core.wsgi import get_wsgi_application
-
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'Contentserver.settings')
-
-application = get_wsgi_application()

Contentserver/health_view/admin.py

@@ -1,22 +0,0 @@
-from django.contrib import admin
-
-from .models import FolderInfo, FolderPart, JustifiedKey, FolderPart_Name
-
-admin.site.register(FolderInfo)
-admin.site.register(FolderPart)
-admin.site.register(FolderPart_Name)
-admin.site.register(JustifiedKey)
-
-#@admin.register(BookInstance)
-#class BookInstanceAdmin(admin.ModelAdmin):
-#    list_display = ('book', 'status', 'borrower', 'due_back', 'id')
-#    list_filter = ('status', 'due_back')#
-#
-#    fieldsets = (
-#        (None, {
-#            'fields': ('book','imprint', 'id')
-#        }),
-#        ('Availability', {
-#            'fields': ('status', 'due_back','borrower')
-#        }),
-#    )

Contentserver/health_view/apps.py

@@ -1,5 +0,0 @@
-from django.apps import AppConfig
-
-
-class HealthViewConfig(AppConfig):
-    name = 'health_view'

Contentserver/health_view/crypto_functions.py

@@ -1,103 +0,0 @@
-import os
-import codecs
-from Crypto.PublicKey import RSA
-from Crypto.Cipher import PKCS1_OAEP, AES
-from Crypto.Hash import SHA256
-from Crypto.Signature import PKCS1_v1_5
-from Crypto import Random
-from base64 import b64decode, b64encode
-
-
-BS = 16
-
-
-pub_key_contentserver = '-----BEGIN PUBLIC KEY-----\nMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDYI/jGk6f0LAT2Z6AAQUR7izbi\na5O4Zzaz4WtK00jr3AqbZMVeVZAs+As5RS35PY2BlCuEEza/J5XX1tlbUhGk/Nzu\nyYqlID6ILEk9kUqh1A6EAuNVrcCL174BRLy620pU5m+E61za0tIr1lU+Jhy4ikVK\niGQ+na5a5g0kuzZTHwIDAQAB\n-----END PUBLIC KEY-----'
-private_key_contentserver = '-----BEGIN RSA PRIVATE KEY-----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\nGE+p7jO849HPS83W21AV6/eyL8VMqDyE6CBzHNr2ITJT\n-----END RSA PRIVATE KEY-----'
-
-pub_key_licenseserver= "-----BEGIN PUBLIC KEY-----MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCG54kIgf8wi+WLrmg0OLXTsMF7BsYjJ8+mmx1/Ml1Hts2oVoisf8iKbfcC0jWBc1aEibi7EIZK9AWEmgpIHPZpf2Ezt36KX7pjA7CDgZBye/bw+G1CaDGxrN8a18db8c16hNxHMTMiqPm7WAgoyekOzlCT6/rqF+3w2oYuGx1tmQIDAQAB-----END PUBLIC KEY-----"
-
-
-def make_key_pair_rsa(username):
-    random_generator = Random.new().read
-    priv_key = RSA.generate(1024, random_generator)
-    pub_key = priv_key.publickey()
-    print("new key pair")
-    print(priv_key.exportKey())
-    print(pub_key.exportKey())
-    user_smartcard_path = "/tmp/smartcards/" + str(username) + ".txt"
-    file_object = open(user_smartcard_path, "w+")
-    file_object.write(priv_key.exportKey().decode('utf-8'))
-    file_object.write("\n")
-    file_object.write(pub_key.exportKey().decode('utf-8'))
-    file_object.close()
-    return pub_key.exportKey().decode('utf-8')
-
-
-def make_rand_key_aes():
-    return os.urandom(32)
-
-
-def pad(s):
-    return s + (BS - len(s) % BS) * chr(BS - len(s) % BS).encode()
-
-
-def unpad(s):
-    return s[:-ord(s[len(s)-1:])]
-
-
-def encrypt_aes(message, key):
-    message = message.encode()
-    raw = pad(message)
-    cipher = AES.new(key, AES.MODE_ECB)
-    enc = cipher.encrypt(raw)
-    return b64encode(enc).decode('utf-8')
-
-
-def decrypt_aes(enc, key):
-    enc = b64decode(enc)
-    cipher = AES.new(key, AES.MODE_ECB)
-    dec = cipher.decrypt(enc)
-    return dec.decode('utf-8')
-
-
-def make_encrypted_key_content_server():
-    random_key = make_rand_key_aes()
-    key = RSA.importKey(pub_key_contentserver)
-    pub_key = key.publickey()
-    encrypted_key = encrypt(random_key, pub_key)
-    return encrypted_key.hex()
-
-
-def decrypt(ciphertext):
-    key = RSA.importKey(private_key_contentserver)
-    cipher = PKCS1_OAEP.new(key)
-    ciphertext = codecs.decode(ciphertext, 'hex')
-    return cipher.decrypt(ciphertext)
-
-
-def encrypt(message):
-    cipher = PKCS1_OAEP.new(pub_key_contentserver)
-    return cipher.encrypt(message)
-
-
-def sign(message, priv_key):
-    priv_key = RSA.importKey(priv_key)
-    signer = PKCS1_v1_5.new(priv_key)
-    hash_gen = SHA256.new()
-    hash_gen.update(message.encode())
-    return b64encode(signer.sign(hash_gen)).decode('utf-8')
-
-
-def verify(message, signature, pub_key):
-    pub_key = pub_key.replace("-----BEGIN PUBLIC KEY-----", "")
-    pub_key = pub_key.replace("-----END PUBLIC KEY-----", "")
-    pub_key = pub_key.replace(" ", "")
-    pub_key = ('\n'.join(pub_key[i:i + 64] for i in range(0, len(pub_key), 64)))
-    pub_key = "-----BEGIN PUBLIC KEY-----\n" + pub_key + "\n-----END PUBLIC KEY-----"
-    signature = b64decode(signature)
-    pub_key = RSA.importKey(pub_key)
-    verifier = PKCS1_v1_5.new(pub_key)
-    hash_gen = SHA256.new(message.encode())
-    return verifier.verify(hash_gen, signature)
-
-

Contentserver/health_view/models.py

@@ -1,54 +0,0 @@
-from django.db import models
-from django.contrib.auth.models import User
-from django.dispatch import receiver
-from django.db.models.signals import post_save
-
-
-class FolderInfo(models.Model):
-    """Adding attributes to default model user"""
-    patient = models.OneToOneField(User, on_delete=models.CASCADE, null=True, blank=True, default="")
-    pub_key = models.CharField(max_length=300, blank=True, default="")
-
-    def __str__(self):
-        """String for representing the Model object."""
-        return str(self.id)
-
-
-@receiver(post_save, sender=User)
-def create_folderinfo(sender, instance, created, **kwargs):
-    """Creates Folderinfo for user when he is created"""
-    if created:
-        FolderInfo.objects.create(patient=instance)
-
-
-class FolderPart_Name(models.Model):
-    shortcut = models.CharField(max_length=3, default="x")
-    part_name = models.CharField(max_length=40, primary_key=True, default="x")
-
-    def __str__(self):
-        """String for representing the Model object."""
-        return str(self.part_name)
-
-
-class FolderPart(models.Model):
-    part_class = models.ForeignKey(FolderPart_Name, on_delete=models.CASCADE, default="")
-    folder_id = models.ForeignKey(FolderInfo, on_delete=models.CASCADE, default="")
-    part_context = models.CharField(max_length=500, default="nothing for you")
-
-    class Meta:
-        unique_together = ('part_class', 'folder_id')
-
-    def __str__(self):
-        """String for representing the Model object."""
-        return self.part_class.part_name
-
-
-class JustifiedKey(models.Model):
-    part = models.ForeignKey(FolderPart, on_delete=models.CASCADE, null=True, default="")
-    justified_name = models.ForeignKey(User, on_delete=models.CASCADE, default="")
-    key = models.CharField(max_length=260, default="")
-
-
-
-
-

Contentserver/health_view/serializers.py

@@ -1,64 +0,0 @@
-from abc import ABC
-
-from django.contrib.auth.models import User, Group
-from rest_framework import serializers
-from health_view.models import FolderPart, JustifiedKey, FolderPart_Name, FolderInfo
-
-
-class UserSerializer(serializers.HyperlinkedModelSerializer):
-    class Meta:
-        model = User
-        fields = ['url', 'username', 'email', 'groups']
-
-
-class GroupSerializer(serializers.HyperlinkedModelSerializer):
-    class Meta:
-        model = Group
-        fields = ['url', 'name']
-
-
-class KeySerializer(serializers.Serializer):
-    part = serializers.CharField()
-    justified_name = serializers.CharField(max_length=100)
-    key = serializers.CharField(max_length=260)
-
-    def create(self, validated_data):
-        part = FolderPart.objects.get(pk=validated_data.get("part_class"))
-        justified_name = FolderPart.objects.get(pk=validated_data.get("part_class"))
-        key = validated_data.get("part_key")
-        JustifiedKey(part=part, justified_name=justified_name, key=key)
-        return True
-
-    def update(self, instance, validated_data):
-        instance.part = FolderPart.objects.get(pk=validated_data.get("part_class"))
-        instance.justified_name = FolderPart.objects.get(pk=validated_data.get("part_class"))
-        instance.key = instance.part_context = validated_data.get("part_key")
-        instance.save()
-        return True
-
-
-class ContentSerializer(serializers.Serializer):
-    part_class = serializers.CharField()
-    folder_id = serializers.CharField()
-    part_context = serializers.CharField()
-
-    def update(self, instance, validated_data):
-        instance.part_class = FolderPart_Name.objects.get(pk=validated_data.get("part_class"))
-        instance.folder_id = FolderInfo.objects.get(pk=validated_data.get("folder_id"))
-        instance.part_context = validated_data.get("part_context")
-        instance.save()
-        return instance
-
-
-class FolderPartSerializer(serializers.Serializer):
-    part = serializers.CharField()
-    justified_name = serializers.CharField()
-    key = serializers.CharField()
-
-
-class FolderPartNameSerializer(serializers.HyperlinkedModelSerializer):
-    class Meta:
-        model = FolderPart_Name()
-        fields = ['part_name']
-
-

Contentserver/health_view/tests.py

@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.

Contentserver/health_view/urls.py

@@ -1,12 +0,0 @@
-from django.urls import path
-from . import views
-
-urlpatterns = [
-    path('key/<name>/<justified>', views.get_key),
-    path('content/<name>/', views.get_content),
-    path('folder/create/', views.create_new_folder),
-    path('create/key/', views.create_key),
-    path('folder/read/', views.read_folder),
-    path('folder/write/', views.write_folder),
-    path('manage/delete/', views.delete_justified_key),
-]

Contentserver/health_view/views.py

@@ -1,270 +0,0 @@
-from rest_framework import viewsets, permissions
-from django.http import HttpResponse, JsonResponse
-from django.views.decorators.csrf import csrf_exempt
-from rest_framework.parsers import JSONParser
-from health_view.serializers import *
-from health_view.crypto_functions import *
-from datetime import datetime
-from rest_framework.decorators import api_view, permission_classes
-from rest_framework.permissions import IsAdminUser
-from rest_framework.response import Response
-import json
-
-
-@csrf_exempt
-def get_key(request, name, part_name="", justified=""):
-    user_obj = User.objects.get(username=name)
-    justified_obj = User.objects.get(username=justified)
-    folderinfo = user_obj.folderinfo
-    folderpart_obj = FolderPart.objects.get(part_class=part_name, folder_id=folderinfo)
-    key = JustifiedKey.objects.filter(justified_name=justified_obj, part=folderpart_obj).first()
-    if request.method == 'GET':
-        serializer = KeySerializer(key)
-        return JsonResponse(serializer.data)
-    elif request.method == 'POST':
-        data = JSONParser().parse(request)
-        serializer = KeySerializer(key, data=data)
-        if serializer.is_valid():
-            serializer.save()
-            return JsonResponse(serializer.data, status=201)
-        return JsonResponse(serializer.errors, status=400)
-
-
-@csrf_exempt
-def get_content(request, name, part_name=""):
-    user_obj = User.objects.get(username=name)
-    folderinfo = user_obj.folderinfo
-    folderpart_obj = FolderPart.objects.get(part_class=part_name, folder_id=folderinfo)
-    if request.method == 'GET':
-        serializer = ContentSerializer(folderpart_obj)
-        return JsonResponse(serializer.data)
-    elif request.method == 'POST':
-        data = json.loads(request.body)
-        serializer = ContentSerializer(folderpart_obj, data=data)
-        if serializer.is_valid():
-            serializer.save()
-            return JsonResponse(serializer.data, status=201)
-        return JsonResponse(serializer.errors, status=400)
-
-
-def create_signature_string(license):
-    signature_string = license["patient"] + "&" + license["justified"] + "&" + license["creator"] + "&" + license["expdate"].replace(" ", ",") + "&" + license["permissions"] + "&" + license["folderparts"]
-    signature_string = signature_string.replace(" ", "")
-    return signature_string
-
-
-def create_signature_string_certificate(license):
-    signature_string = license["patient"] + "&" + license["justified"] + "&" + license["creator"] + "&" + license["expdate"].replace(" ", ",")  + "&" + license["permissions"] + "&" + license["folderparts"] + "&" + license["signature"] + "&" + license['content_key']
-    signature_string = signature_string.replace(" ", "")
-    return signature_string
-
-
-def get_creator(license):
-    creator = User.objects.get(username=license["creator"])
-    return creator
-
-
-def get_pubkey(user):
-    pubkey = user.folderinfo.pub_key
-    return pubkey
-
-
-def check_expiration_date(license):
-    exp_date = license["expdate"]
-    print(exp_date)
-    for fmt in ('%d-%m-%Y %H:%M', '%d/%m/%Y %H:%M', '%d/%m/%Y', '%d-%m-%Y'):
-        try:
-            datetime_object = datetime.strptime(exp_date, fmt)
-            break
-        except ValueError:
-            pass
-    try:
-        return datetime.now() < datetime_object
-    except Exception:
-        return False
-
-
-def check_permissions(license, part, permission):
-    if part == "":
-        return True
-    if permission not in license["permissions"]:
-        return False
-    if part not in license["folderparts"]:
-        return False
-    return True
-
-
-def check_change_siganture(pubkey, user_sign, datetime_given, content):
-    message = datetime_given + "|" + content
-    if verify(message, user_sign, pubkey):
-        return True
-    return False
-
-
-def check_license(license, folderpart="", permission=""):
-    creator = get_creator(license)
-    if not verify(create_signature_string(license), license['signature'], get_pubkey(creator)):
-        return False
-    if not verify(create_signature_string_certificate(license), license['serversign'], pub_key_licenseserver):
-        return False
-    if not check_expiration_date(license):
-        return False
-    if not check_permissions(license, folderpart, permission):
-        return False
-    return True
-
-
-@csrf_exempt
-def read_folder(request):
-    if request.method == 'POST':
-        data = json.loads(request.body)
-        license = data[0]
-        folderpart = data[1]
-        if not check_license(license, folderpart, "Read"):
-            return HttpResponse(status=404)
-        content_key = license['content_key']
-        content_key_decrypted = decrypt(content_key)
-        patient = User.objects.get(username=license["patient"])
-        part_class = FolderPart_Name.objects.get(part_name=folderpart)
-        part = FolderPart.objects.get(folder_id=patient.folderinfo, part_class=part_class)
-        justified = User.objects.get(username=license["justified"])
-        pubkey_justified = justified.folderinfo.pub_key
-        if len(data) == 3:
-            justified = User.objects.get(username=license["creator"])
-        key_obj = JustifiedKey.objects.get(part=part, justified_name=justified)
-        content = part.part_context
-        decrypt_content = decrypt_aes(content, content_key_decrypted)
-        response_obj = {'content': decrypt_content,
-                    'key': key_obj.key,
-                    'pubkey': pubkey_justified}
-        return JsonResponse(response_obj, status=201)
-
-
-@csrf_exempt
-def write_folder(request):
-    if request.method == 'POST':
-        data = json.loads(request.body)
-        license = data[0]
-        folderpart = data[1]
-        content = data[2]
-        datetime_given = data[3]
-        user_sign = data[4]
-        if not check_license(license, folderpart, "Write"):
-            return HttpResponse(status=404)
-        content_key = license['content_key']
-        datetime_given_formatted = datetime.strptime(datetime_given, '%Y-%m-%d|%H:%M:%S')
-        date_difference = datetime.now() - datetime_given_formatted
-        content_key_decrypt = decrypt(content_key)
-        patient = User.objects.get(username=license["patient"])
-        part_class = FolderPart_Name.objects.get(part_name=folderpart)
-        part = FolderPart.objects.get(folder_id=patient.folderinfo, part_class=part_class)
-        justified = User.objects.get(username=license["justified"])
-        if date_difference.seconds//60.0 > 4.0 or not check_change_siganture(get_pubkey(justified), user_sign, datetime_given, content):
-            return HttpResponse(status=404)
-        content = folderpart + content
-        part.part_context = encrypt_aes(content, content_key_decrypt)
-        if JustifiedKey.objects.filter(part=part, justified_name=justified).exists():
-            part.save()
-        json_obj = {'works': 'fined'}
-        return JsonResponse(json_obj, status=201)
-
-
-@csrf_exempt
-def create_new_folder(request):
-    if request.method == 'POST':
-        data = json.loads(request.body)
-        print(data)
-        license = data[0]
-        if not check_license(license):
-            return HttpResponse(status=404)
-        content_key = license['content_key']
-        content_key_decrypt = decrypt(content_key)
-        patient = User.objects.get(username=license["patient"])
-        for c in range(1, len(data)):
-            part_class = data[c]["part_class"]
-            content = data[c]["content"]
-            content = part_class + content
-            encrypted_key = data[c]["encrypted_key"]
-            encrypted_content = encrypt_aes(content, content_key_decrypt)
-            part_class = FolderPart_Name.objects.get(part_name=part_class)
-            part = FolderPart(folder_id=patient.folderinfo, part_class=part_class, part_context=encrypted_content)
-            part.save()
-            justified = User.objects.get(username=license["justified"])
-            justified_key = JustifiedKey(part=part, justified_name=justified, key=encrypted_key)
-            justified_key.save()
-        json_obj = {'works': 'fined'}
-        return JsonResponse(json_obj, status=201)
-
-
-@csrf_exempt
-def create_key(request):
-    if request.method == 'POST':
-        data = json.loads(request.body)
-        license = data[0]
-        part_class = data[1]
-        key = data[2]
-        if not check_license(license):
-            return HttpResponse(status=404)
-        patient = User.objects.get(username=license["patient"])
-        part_class = FolderPart_Name.objects.get(part_name=part_class)
-        justified = User.objects.get(username=license["justified"])
-        part = FolderPart.objects.get(folder_id=patient.folderinfo, part_class=part_class)
-        if not JustifiedKey.objects.filter(part=part, justified_name=justified, key=key).exists():
-            justified_key = JustifiedKey(part=part, justified_name=justified, key=key)
-            justified_key.save()
-        content_response = {"done": 1}
-        return JsonResponse(content_response, status=201)
-
-
-@api_view(['POST'])
-@csrf_exempt
-@permission_classes([IsAdminUser])
-def delete_justified_key(request):
-    post_content = json.loads(request.body)
-    print(post_content)
-    patient = post_content['patient']
-    justified = post_content['justified']
-    folder_parts_delete_key = post_content['folder_parts']
-    old_total_key = post_content['old_total_key']
-    new_total_key = post_content['new_total_key']
-    old_total_key_decrypt = decrypt(old_total_key)
-    new_total_key_decrypt = decrypt(new_total_key)
-    patient = User.objects.get(username=patient)
-    justified = User.objects.get(username=justified)
-    all_folder_parts = FolderPart_Name.objects.all().values_list()
-    for part in all_folder_parts:
-        folder_part_name_object = FolderPart_Name.objects.get(part_name=part[1])
-        folder_part_object = FolderPart.objects.get(part_class=folder_part_name_object,folder_id=patient.folderinfo)
-        decrypted_content = decrypt_aes(folder_part_object.part_context, old_total_key_decrypt)
-        encrypted_content = encrypt_aes(decrypted_content, new_total_key_decrypt)
-        folder_part_object.part_context = encrypted_content
-        folder_part_object.save()
-    for part in folder_parts_delete_key:
-        folder_part_name_object = FolderPart_Name.objects.get(part_name=part)
-        folder_part_object = FolderPart.objects.get(folder_id=patient.folderinfo, part_class=folder_part_name_object)
-        key = JustifiedKey.objects.filter(part=folder_part_object, justified_name=justified)
-        key.delete()
-    return Response(status=201)
-
-
-class UserViewSet(viewsets.ModelViewSet):
-    """
-    API endpoint that allows users to be viewed or edited.
-    """
-    queryset = User.objects.all().order_by('-date_joined')
-    serializer_class = UserSerializer
-    permission_classes = [permissions.IsAuthenticated]
-
-
-class GroupViewSet(viewsets.ModelViewSet):
-    """
-    API endpoint that allows groups to be viewed or edited.
-    """
-    queryset = Group.objects.all()
-    serializer_class = GroupSerializer
-    permission_classes = [permissions.IsAuthenticated]
-
-
-class GetFolderPartNames(viewsets.ModelViewSet):
-    queryset = FolderPart_Name.objects.all()
-    serializer_class = FolderPartNameSerializer

Licenseserver/health_view/cron.py

@@ -6,8 +6,8 @@ import requests
 import json
 
 
-#needs logindata from admin account form Contentserver
+#logindata for admin acc on Contentserver
-loginname_restapi = ''
+loginname_restapi = '' 
 passwort_restapi = ''
 
 

Licenseserver/health_view/urls.py

@@ -8,5 +8,4 @@ urlpatterns = [
     path('license/<int:fid>/create/', views.create_license, name='create-license'),
     path('license/show/<int:pk>/own/', views.get_license_details, name='license-detail-own'),
     path('license/show/<int:pk>/given/', views.get_license_details, name='license-detail-given'),
-    path('delete_license', views.delete_license, name='delete_license')
 ]

Licenseserver/health_view/views.py

@@ -179,6 +179,3 @@ def create_license(request, fid):
         context = {'form': form}
         return render(request, 'health_view/create_license.html', context)
 
-
-def delete_license(request):
-    print("test")

requirements.txt

@@ -0,0 +1,90 @@
+appdirs==1.4.4
+apturl==0.5.2
+asgiref==3.3.1
+bcrypt==3.1.7
+blinker==1.4
+Brlapi==0.7.0
+certifi==2019.11.28
+chardet==3.0.4
+Click==7.0
+colorama==0.4.3
+command-not-found==0.3
+crypto==1.4.1
+cryptography==2.8
+cupshelpers==1.0
+dbus-python==1.2.16
+defer==1.0.6
+distlib==0.3.1
+distro==1.4.0
+distro-info===0.23ubuntu1
+Django==3.1.4
+django-cors-headers==3.7.0
+django-filter==2.4.0
+djangorestframework==3.12.2
+duplicity==0.8.12.0
+ecdsa==0.16.1
+entrypoints==0.3
+fasteners==0.14.1
+filelock==3.0.12
+future==0.18.2
+httpie==1.0.3
+httplib2==0.14.0
+idna==2.8
+keyring==18.0.1
+language-selector==0.1
+launchpadlib==1.10.13
+lazr.restfulclient==0.14.2
+lazr.uri==1.0.3
+lockfile==0.12.2
+louis==3.12.0
+macaroonbakery==1.3.1
+Mako==1.1.0
+Markdown==3.3.3
+MarkupSafe==1.1.0
+monotonic==1.5
+Naked==0.1.31
+netifaces==0.10.4
+oauthlib==3.1.0
+olefile==0.46
+paramiko==2.6.0
+pexpect==4.6.0
+Pillow==7.0.0
+protobuf==3.6.1
+pycairo==1.16.2
+pycrypto==2.6.1
+pycryptodome==3.9.9
+pycups==1.9.73
+Pygments==2.3.1
+PyGObject==3.36.0
+PyJWT==1.7.1
+pymacaroons==0.13.0
+PyNaCl==1.3.0
+PyQt5==5.15.1
+PyQt5-sip==12.8.1
+pyqt5-tools==5.15.1.1.7.4
+pyRFC3339==1.1
+python-apt==2.0.0+ubuntu0.20.4.3
+python-dateutil==2.7.3
+python-debian===0.1.36ubuntu1
+python-dotenv==0.14.0
+pytz==2019.3
+pyxdg==0.26
+PyYAML==5.3.1
+reportlab==3.5.34
+requests==2.22.0
+requests-unixsocket==0.2.0
+SecretStorage==2.3.1
+shellescape==3.8.1
+simplejson==3.16.0
+six==1.14.0
+sqlparse==0.4.1
+systemd-python==234
+ubuntu-advantage-tools==20.3
+ubuntu-drivers-common==0.0.0
+ufw==0.36
+unattended-upgrades==0.1
+urllib3==1.25.8
+usb-creator==0.3.7
+virtualenv==20.2.2
+wadllib==1.3.3
+xkit==0.0.0