# File lib/devise/param_filter.rb, line 8 def filter(conditions) conditions = stringify_params(conditions.dup) @case_insensitive_keys.each do |k| value = conditions[k] next unless value.respond_to?(:downcase) conditions[k] = value.downcase end @strip_whitespace_keys.each do |k| value = conditions[k] next unless value.respond_to?(:strip) conditions[k] = value.strip end conditions end