discourse/lib/validators/censored_words_validator.rb

41 lines
1.3 KiB
Ruby

class CensoredWordsValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
if SiteSetting.censored_words.present? && (censored_words = censor_words(value, censored_words_regexp)).present?
record.errors.add(
attribute, :contains_censored_words,
censored_words: join_censored_words(censored_words)
)
elsif SiteSetting.censored_pattern.present? && (censored_words = censor_words(value, /#{SiteSetting.censored_pattern}/i)).present?
record.errors.add(
attribute, :matches_censored_pattern,
censored_words: join_censored_words(censored_words)
)
end
end
private
def censor_words(value, regexp)
censored_words = value.scan(regexp)
censored_words.flatten!
censored_words.compact!
censored_words.map!(&:strip)
censored_words.select!(&:present?)
censored_words.uniq!
censored_words
end
def join_censored_words(censored_words)
censored_words.map!(&:downcase)
censored_words.uniq!
censored_words.join(", ".freeze)
end
def censored_words_regexp
Regexp.new(
'\b(' + SiteSetting.censored_words.split('|'.freeze).map! { |w| Regexp.escape(w) }.join('|'.freeze) + ')\b',
true
)
end
end