bootleg anti-spam measure

scripts/start.sh

@@ -9,4 +9,4 @@ VENV=/town/venvs/ttadmin
 source $VENV/bin/activate
 export DJANGO_SETTINGS_MODULE=settings_live
 cd $APP_ROOT
-gunicorn -b0.0.0.0:$PORT ttadmin.wsgi
+gunicorn -t120 -b0.0.0.0:$PORT ttadmin.wsgi

ttadmin/guestbook/views.py

@@ -1,3 +1,5 @@
+import re
+
 from django.shortcuts import redirect
 from django.views.generic import TemplateView
 from django.views.generic.edit import FormView
@@ -5,6 +7,8 @@ from django.views.generic.edit import FormView
 from .forms import GuestbookForm
 from .models import GuestbookMessage
 
+SUSPICIOUS_RE = re.compile(r'https?://')
+
 
 class GuestbookView(FormView):
     form_class = GuestbookForm
@@ -17,5 +21,7 @@ class GuestbookView(FormView):
 
     def form_valid(self, form):
         del form.cleaned_data['captcha']
+        if SUSPICIOUS_RE.search(form.cleaned_data['msg']) != None:
+            return redirect('guestbook:guestbook')
         t = GuestbookMessage.objects.create(**form.cleaned_data)
         return redirect('guestbook:guestbook')

ttadmin/users/models.py

@@ -246,9 +246,13 @@ def on_townie_pre_save(sender, instance, **kwargs):
     # See if we need to create the user on disk.
     if existing.unreviewed and instance.accepted:
         logger.info('Creating user {} on disk.'.format(instance.username))
-        instance.create_on_disk()
-        instance.send_welcome_email()
-        instance.write_authorized_keys()
+        try:
+            instance.create_on_disk()
+            instance.write_authorized_keys()
+        except Exception as e:
+            logger.error('Failed syncing user {} to disk: {}'.format(instance.username, e)
+        else:
+            instance.send_welcome_email()
         return
     else:
         # This user state transition is currently undefined. In the future, we can check for things