Change note length validation to ignore mention domains and URLs (#9717)

Fix #4419
This commit is contained in:
Eugen Rochko 2019-01-05 07:16:46 +01:00 committed by GitHub
parent 90398b9d00
commit 45899cfa69
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3 changed files with 25 additions and 3 deletions

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@ -75,7 +75,7 @@ class Account < ApplicationRecord
validates_with UniqueUsernameValidator, if: -> { local? && will_save_change_to_username? } validates_with UniqueUsernameValidator, if: -> { local? && will_save_change_to_username? }
validates_with UnreservedUsernameValidator, if: -> { local? && will_save_change_to_username? } validates_with UnreservedUsernameValidator, if: -> { local? && will_save_change_to_username? }
validates :display_name, length: { maximum: 30 }, if: -> { local? && will_save_change_to_display_name? } validates :display_name, length: { maximum: 30 }, if: -> { local? && will_save_change_to_display_name? }
validates :note, length: { maximum: 160 }, if: -> { local? && will_save_change_to_note? } validates :note, note_length: { maximum: 160 }, if: -> { local? && will_save_change_to_note? }
validates :fields, length: { maximum: 4 }, if: -> { local? && will_save_change_to_fields? } validates :fields, length: { maximum: 4 }, if: -> { local? && will_save_change_to_fields? }
scope :remote, -> { where.not(domain: nil) } scope :remote, -> { where.not(domain: nil) }

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@ -0,0 +1,22 @@
# frozen_string_literal: true
class NoteLengthValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
record.errors.add(attribute, I18n.t('statuses.over_character_limit', max: options[:maximum])) if too_long?(value)
end
private
def too_long?(value)
countable_text(value).mb_chars.grapheme_length > options[:maximum]
end
def countable_text(value)
return '' if value.nil?
value.dup.tap do |new_text|
new_text.gsub!(FetchLinkCardService::URL_PATTERN, 'x' * 23)
new_text.gsub!(Account::MENTION_RE, '@\2')
end
end
end

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@ -8,7 +8,7 @@ class UrlValidator < ActiveModel::EachValidator
private private
def compliant?(url) def compliant?(url)
parsed_url = Addressable::URI.parse(url).normalize parsed_url = Addressable::URI.parse(url)
!parsed_url.nil? && %w(http https).include?(parsed_url.scheme) && parsed_url.host parsed_url && %w(http https).include?(parsed_url.scheme) && parsed_url.host
end end
end end