Move django-based uncloud to top-level

uncloud_auth/admin.py

@@ -0,0 +1,5 @@
+from django.contrib import admin
+from django.contrib.auth.admin import UserAdmin
+from .models import User
+
+admin.site.register(User, UserAdmin)

uncloud_auth/apps.py

@@ -0,0 +1,4 @@
+from django.apps import AppConfig
+
+class AuthConfig(AppConfig):
+    name = 'uncloud_auth'

uncloud_auth/migrations/0001_initial.py

@@ -0,0 +1,44 @@
+# Generated by Django 3.0.3 on 2020-03-03 16:49
+
+import django.contrib.auth.models
+import django.contrib.auth.validators
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('auth', '0011_update_proxy_permissions'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='User',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('password', models.CharField(max_length=128, verbose_name='password')),
+                ('last_login', models.DateTimeField(blank=True, null=True, verbose_name='last login')),
+                ('is_superuser', models.BooleanField(default=False, help_text='Designates that this user has all permissions without explicitly assigning them.', verbose_name='superuser status')),
+                ('username', models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=150, unique=True, validators=[django.contrib.auth.validators.UnicodeUsernameValidator()], verbose_name='username')),
+                ('first_name', models.CharField(blank=True, max_length=30, verbose_name='first name')),
+                ('last_name', models.CharField(blank=True, max_length=150, verbose_name='last name')),
+                ('email', models.EmailField(blank=True, max_length=254, verbose_name='email address')),
+                ('is_staff', models.BooleanField(default=False, help_text='Designates whether the user can log into this admin site.', verbose_name='staff status')),
+                ('is_active', models.BooleanField(default=True, help_text='Designates whether this user should be treated as active. Unselect this instead of deleting accounts.', verbose_name='active')),
+                ('date_joined', models.DateTimeField(default=django.utils.timezone.now, verbose_name='date joined')),
+                ('groups', models.ManyToManyField(blank=True, help_text='The groups this user belongs to. A user will get all permissions granted to each of their groups.', related_name='user_set', related_query_name='user', to='auth.Group', verbose_name='groups')),
+                ('user_permissions', models.ManyToManyField(blank=True, help_text='Specific permissions for this user.', related_name='user_set', related_query_name='user', to='auth.Permission', verbose_name='user permissions')),
+            ],
+            options={
+                'verbose_name': 'user',
+                'verbose_name_plural': 'users',
+                'abstract': False,
+            },
+            managers=[
+                ('objects', django.contrib.auth.models.UserManager()),
+            ],
+        ),
+    ]

uncloud_auth/migrations/0002_auto_20200318_1343.py

@@ -0,0 +1,25 @@
+# Generated by Django 3.0.3 on 2020-03-18 13:43
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_auth', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='amount',
+            field=models.DecimalField(decimal_places=2, default=0.0, max_digits=10, validators=[django.core.validators.MinValueValidator(0)]),
+        ),
+        migrations.AddField(
+            model_name='user',
+            name='maximum_credit',
+            field=models.FloatField(default=0),
+            preserve_default=False,
+        ),
+    ]

uncloud_auth/migrations/0003_auto_20200318_1345.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.0.3 on 2020-03-18 13:45
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_auth', '0002_auto_20200318_1343'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='user',
+            name='amount',
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='maximum_credit',
+            field=models.DecimalField(decimal_places=2, default=0.0, max_digits=10, validators=[django.core.validators.MinValueValidator(0)]),
+        ),
+    ]

uncloud_auth/models.py

@@ -0,0 +1,23 @@
+from django.contrib.auth.models import AbstractUser
+from django.db import models
+from django.core.validators import MinValueValidator
+
+from uncloud import AMOUNT_DECIMALS, AMOUNT_MAX_DIGITS
+
+from uncloud_pay.models import get_balance_for_user
+
+class User(AbstractUser):
+    """
+    We use the standard user and add a maximum credit that is allowed
+    to be accumulated. After that we need to have warnings, cancellation, etc.
+    """
+
+    maximum_credit = models.DecimalField(
+            default=0.0,
+            max_digits=AMOUNT_MAX_DIGITS,
+            decimal_places=AMOUNT_DECIMALS,
+            validators=[MinValueValidator(0)])
+
+    @property
+    def balance(self):
+        return get_balance_for_user(self)

uncloud_auth/serializers.py

@@ -0,0 +1,16 @@
+from django.contrib.auth import get_user_model
+from rest_framework import serializers
+
+from uncloud import AMOUNT_DECIMALS, AMOUNT_MAX_DIGITS
+
+class UserSerializer(serializers.ModelSerializer):
+
+    balance = serializers.DecimalField(max_digits=AMOUNT_MAX_DIGITS,
+                                       decimal_places=AMOUNT_DECIMALS)
+
+    class Meta:
+        model = get_user_model()
+        fields = ['username', 'email', 'balance', 'maximum_credit' ]
+
+class ImportUserSerializer(serializers.Serializer):
+    username = serializers.CharField()

uncloud_auth/views.py

@@ -0,0 +1,41 @@
+from rest_framework import viewsets, permissions, status
+from .serializers import *
+from django_auth_ldap.backend import LDAPBackend
+from rest_framework.decorators import action
+from rest_framework.response import Response
+from rest_framework import mixins
+
+class UserViewSet(mixins.ListModelMixin, viewsets.GenericViewSet):
+    permission_classes = [permissions.IsAuthenticated]
+    serializer_class = UserSerializer
+
+    def list(self, request, format=None):
+        # This is a bit stupid: we have a user, we create a queryset by
+        # matching on the username. But I don't know a "nicer" way.
+        # Nico, 2020-03-18
+        user = get_user_model().objects.get(
+                username=self.request.user.username)
+        serializer = self.get_serializer(user, context = {'request': request})
+        return Response(serializer.data)
+
+class AdminUserViewSet(viewsets.ReadOnlyModelViewSet):
+    # FIXME: make this admin
+    permission_classes = [permissions.IsAuthenticated]
+
+    def get_serializer_class(self):
+        if self.action == 'import_from_ldap':
+            return ImportUserSerializer
+        else:
+            return UserSerializer
+
+    def get_queryset(self):
+        return get_user_model().objects.all()
+
+    @action(detail=False, methods=['post'], url_path='import_from_ldap')
+    def import_from_ldap(self, request, pk=None):
+        serializer = self.get_serializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        ldap_username = serializer.validated_data.pop("username")
+        user = LDAPBackend().populate_user(ldap_username)
+
+        return Response(UserSerializer(user, context = {'request': request}).data)