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-rw-r--r--activemodel/lib/active_model/forbidden_attributes_protection.rb14
1 files changed, 14 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/forbidden_attributes_protection.rb b/activemodel/lib/active_model/forbidden_attributes_protection.rb
new file mode 100644
index 0000000000..a5e4c4f650
--- /dev/null
+++ b/activemodel/lib/active_model/forbidden_attributes_protection.rb
@@ -0,0 +1,14 @@
+module ActiveModel
+ class ForbiddenAttributesError < StandardError
+ end
+
+ module ForbiddenAttributesProtection
+ def sanitize_for_mass_assignment(attributes, options = {})
+ if attributes.respond_to?(:permitted?) && !attributes.permitted?
+ raise ActiveModel::ForbiddenAttributesError
+ else
+ attributes
+ end
+ end
+ end
+end