Restrict authentication email domain for seahub

sources/patches/arm-force_domain_email.patch

@@ -0,0 +1 @@
+x86-64-force_domain_email.patch

sources/patches/x86-64-force_domain_email.patch

@@ -0,0 +1,16 @@
+diff --git a/seahub/base/accounts.py b/seahub/base/accounts.py
+index 4ebbb98c4..ba468d073 100644
+--- a/seahub/seahub/base/accounts.py
++++ b/seahub/seahub/base/accounts.py
+@@ -540,7 +540,11 @@ class User(object):
+ 
+ class AuthBackend(object):
+ 
++    allowed_domain = settings.REMOTE_USER_DOMAIN
++
+     def get_user_with_import(self, username):
++        if '@' in username and self.allowed_domain != username.split('@')[1]:
++            raise User.DoesNotExist, 'Invalid domain for the email. Please use the seafile domain for the domain part of the email.'
+         emailuser = seaserv.get_emailuser_with_import(username)
+         if not emailuser:
+             raise User.DoesNotExist, 'User matching query does not exits.'