Support regex in filter_parameters

CHANGELOG.md

@@ -1,7 +1,7 @@
 ## [0.3.0] - 2024-11-05
 
 - Fix persistance in case of rolled back transactions.
-- Filter sensible information by default
+- Filter `Rails.application.config.filter_parameters` by default. Does not support procs. 
 
 ## [0.2.0] - 2022-12-29
 

lib/validation_error.rb

@@ -11,16 +11,24 @@ def self.track(invalid_model, action: invalid_model.persisted? ? "update" : "cre
 
   def self.filter_sensible_information(details)
     filter_parameters = if defined?(Rails) && Rails.respond_to?(:application)
-      Rails.application.config.filter_parameters.map(&:to_sym)
+      Rails.application.config.filter_parameters
     else
       []
     end
     filtered_details = details.dup
     filtered_details.each do |column_name, errors|
-      if filter_parameters.include?(column_name.to_sym)
-        errors.each do |error|
-          if error[:value].present?
-            error[:value] = "***"
+      filter_parameters.each do |filter|
+        must_filter = case filter
+                      when Regexp
+                        filter.match?(column_name)
+                      when String, Symbol
+                        filter.to_s == column_name.to_s
+        end
+        if must_filter
+          errors.each do |error|
+            if error[:value].present?
+              error[:value] = "***"
+            end
           end
         end
       end

test/test_validation_error.rb

@@ -115,7 +115,8 @@ def test_that_models_do_not_track_on_update_if_no_errors
 
   module RailsMock
     def self.application
-      @application ||= OpenStruct.new(config: OpenStruct.new(filter_parameters: [:password, :ssn]))
+      filter_parameters = [:password, :ssn, /password/]
+      @application ||= OpenStruct.new(config: OpenStruct.new(filter_parameters: filter_parameters))
     end
   end