initial implementation of reverse proxy, using django-revproxy from within a middleware

add new config entry "primary_domain" which is used to set the cookie domain

passbook/app_gw/migrations/0001_initial.py

@@ -0,0 +1,50 @@
+# Generated by Django 2.1.7 on 2019-03-20 21:38
+
+import django.contrib.postgres.fields
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('passbook_core', '0020_groupmembershippolicy'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ApplicationGatewayProvider',
+            fields=[
+                ('provider_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='passbook_core.Provider')),
+                ('server_name', django.contrib.postgres.fields.ArrayField(base_field=models.TextField(), size=None)),
+                ('upstream', django.contrib.postgres.fields.ArrayField(base_field=models.TextField(), size=None)),
+                ('enabled', models.BooleanField(default=True)),
+                ('authentication_header', models.TextField(default='X-Remote-User')),
+                ('default_content_type', models.TextField(default='application/octet-stream')),
+                ('upstream_ssl_verification', models.BooleanField(default=True)),
+            ],
+            options={
+                'verbose_name': 'Application Gateway Provider',
+                'verbose_name_plural': 'Application Gateway Providers',
+            },
+            bases=('passbook_core.provider',),
+        ),
+        migrations.CreateModel(
+            name='RewriteRule',
+            fields=[
+                ('propertymapping_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='passbook_core.PropertyMapping')),
+                ('match', models.TextField()),
+                ('halt', models.BooleanField(default=False)),
+                ('replacement', models.TextField()),
+                ('redirect', models.CharField(choices=[('internal', 'Internal'), (301, 'Moved Permanently'), (302, 'Found')], max_length=50)),
+                ('conditions', models.ManyToManyField(to='passbook_core.Policy')),
+            ],
+            options={
+                'verbose_name': 'Rewrite Rule',
+                'verbose_name_plural': 'Rewrite Rules',
+            },
+            bases=('passbook_core.propertymapping',),
+        ),
+    ]