29 lines
1.1 KiB
Ruby
29 lines
1.1 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class StrippedLengthValidator < ActiveModel::EachValidator
|
|
def self.validate(record, attribute, value, range)
|
|
if !value.nil?
|
|
value = get_sanitized_value(value)
|
|
record.errors.add attribute, (I18n.t('errors.messages.too_short', count: range.begin)) if value.length < range.begin
|
|
record.errors.add attribute, (I18n.t('errors.messages.too_long_validation', max: range.end, length: value.length)) if value.length > range.end
|
|
else
|
|
record.errors.add attribute, (I18n.t('errors.messages.blank'))
|
|
end
|
|
end
|
|
|
|
def validate_each(record, attribute, value)
|
|
# the `in` parameter might be a lambda when the range is dynamic
|
|
range = options[:in].lambda? ? options[:in].call : options[:in]
|
|
self.class.validate(record, attribute, value, range)
|
|
end
|
|
|
|
def self.get_sanitized_value(value)
|
|
value = value.dup
|
|
value.gsub!(/<!--(.*?)-->/, '') # strip HTML comments
|
|
value.gsub!(/:\w+(:\w+)?:/, "X") # replace emojis with a single character
|
|
value.gsub!(/\.{2,}/, '…') # replace multiple ... with …
|
|
value.gsub!(/\,{2,}/, ',') # replace multiple ,,, with ,
|
|
value.strip
|
|
end
|
|
end
|