Add basic functionality for self-registration.

[cas.git] / src / cas / social.py

diff --git a/src/cas/social.py b/src/cas/social.py
new file mode 100755 (executable)
index 0000000..bce55aa
--- /dev/null
+++ b/src/cas/social.py
@@ -0,0 +1,18 @@
+from django.core.exceptions import ValidationError
+from django.utils.translation import ugettext as _
+from allauth.socialaccount.adapter import DefaultSocialAccountAdapter
+
+
+class LooseSocialAccountAdapter(DefaultSocialAccountAdapter):
+    def validate_disconnect(self, account, accounts):
+        """
+        Validate whether or not the socialaccount account can be
+        safely disconnected.
+        """
+        if len(accounts) == 1:
+            # No usable password would render the local account unusable
+            if not account.user.has_usable_password():
+                raise ValidationError(_("Your account has no password set up."))
+            # No email address, no password reset
+            if not account.user.email:
+                raise ValidationError(_("Your account has no e-mail address."))