add Nonce (one-time links), add password reset function (missing e-mail verification), closes #7

passbook/core/migrations/0012_nonce.py

@@ -0,0 +1,31 @@
+# Generated by Django 2.1.7 on 2019-02-25 19:12
+
+import uuid
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+import passbook.core.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('passbook_core', '0011_auto_20190225_1438'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Nonce',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('expires', models.DateTimeField(default=passbook.core.models.default_nonce_duration)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'Nonce',
+                'verbose_name_plural': 'Nonces',
+            },
+        ),
+    ]