prevent account spam

cookbook/helper/AllAuthCustomAdapter.py

@@ -1,6 +1,11 @@
+import datetime
+
 from django.conf import settings
 
 from allauth.account.adapter import DefaultAccountAdapter
+from django.contrib import messages
+from django.core.cache import caches
+from gettext import gettext as _
 
 
 class AllAuthCustomAdapter(DefaultAccountAdapter):
@@ -17,6 +22,11 @@ class AllAuthCustomAdapter(DefaultAccountAdapter):
     # disable password reset for now
     def send_mail(self, template_prefix, email, context):
         if settings.EMAIL_HOST != '':
-            super(AllAuthCustomAdapter, self).send_mail(template_prefix, email, context)
+            default = datetime.datetime.now()
+            c = caches['default'].get_or_set(email, default, timeout=360)
+            if c == default:
+                super(AllAuthCustomAdapter, self).send_mail(template_prefix, email, context)
+            else:
+                messages.add_message(self.request, messages.ERROR, _('In order to prevent spam, the requested email was not send. Please wait a few minutes and try again.'))
         else:
             pass

recipes/settings.py

@@ -242,6 +242,13 @@ else:
 #     }
 # }
 
+CACHES = {
+    'default': {
+        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
+        'LOCATION': 'default',
+    }
+}
+
 # Vue webpack settings
 VUE_DIR = os.path.join(BASE_DIR, 'vue')