Resolve "Public keys not visible to others"

Closes #13 (closed)

app/keys_home/migrations/0001_initial.py

+# Generated by Django 3.1.3 on 2021-03-02 20:28
+
+import logging
+from django.db import migrations
+from django.contrib.auth.models import Group, User
+from guardian.utils import get_anonymous_user
+from guardian.shortcuts import get_objects_for_user, assign_perm
+from pgp import models as pgp
+from ssh import models as ssh
+from owlca import models as owlca
+
+def add_any_group(*args):
+    group, created = Group.objects.get_or_create(name='any-user') 
+    if created:
+        logging.info('any-user Group created')
+
+        for user in User.objects.all():
+            logging.info(f"Adding {user} to any-user Group")
+            group.user_set.add(user)
+
+        propagate_klasses = {
+            "view_publickey": pgp.PublicKey,
+            "view_sshpublickey": ssh.SSHPublicKey,
+            "view_certificationauthority": owlca.CertificationAuthority,
+        }
+        group.save()
+
+        anon = get_anonymous_user()
+        for perm, klass in propagate_klasses.items():
+            objs = get_objects_for_user(anon, perm, klass)
+            assign_perm(perm, group, objs)
+		
+
+class Migration(migrations.Migration):
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.RunPython(add_any_group),
+    ]