core: fix application's slug field not being set to unique

closes #881

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

authentik/core/migrations/0021_alter_application_slug.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.2.3 on 2021-05-14 08:48
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("authentik_core", "0020_source_user_matching_mode"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="application",
+            name="slug",
+            field=models.SlugField(
+                help_text="Internal application name, used in URLs.", unique=True
+            ),
+        ),
+    ]

authentik/core/models.py

@@ -207,7 +207,9 @@ class Application(PolicyBindingModel):
     add custom fields and other properties"""
 
     name = models.TextField(help_text=_("Application's display Name."))
-    slug = models.SlugField(help_text=_("Internal application name, used in URLs."))
+    slug = models.SlugField(
+        help_text=_("Internal application name, used in URLs."), unique=True
+    )
     provider = models.OneToOneField(
         "Provider", null=True, blank=True, default=None, on_delete=models.SET_DEFAULT
     )