discourse/lib/validators/max_emojis_validator.rb
2023-01-09 12:10:19 +00:00

17 lines
599 B
Ruby

# frozen_string_literal: true
class MaxEmojisValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
unescaped_title = PrettyText.unescape_emoji(Emoji.unicode_unescape(CGI.escapeHTML(value)))
if unescaped_title.present? &&
unescaped_title.scan(/<img.+?class\s*=\s*'(emoji|emoji emoji-custom)'/).size >
SiteSetting.max_emojis_in_title
record.errors.add(
attribute,
SiteSetting.max_emojis_in_title > 0 ? :max_emojis : :emojis_disabled,
max_emojis_count: SiteSetting.max_emojis_in_title,
)
end
end
end