discourse/app/models/embeddable_host.rb

62 lines
1.5 KiB
Ruby

class EmbeddableHost < ActiveRecord::Base
validate :host_must_be_valid
belongs_to :category
before_validation do
self.host.sub!(/^https?:\/\//, '')
self.host.sub!(/\/.*$/, '')
end
def self.record_for_url(uri)
if uri.is_a?(String)
uri = URI(URI.encode(uri)) rescue nil
end
return false unless uri.present?
host = uri.host
return false unless host.present?
if uri.port.present? && uri.port != 80 && uri.port != 443
host << ":#{uri.port}"
end
path = uri.path
path << "?" << uri.query if uri.query.present?
where("lower(host) = ?", host).each do |eh|
return eh if eh.path_whitelist.blank? || !Regexp.new(eh.path_whitelist).match(path).nil?
end
nil
end
def self.url_allowed?(url)
uri = URI(URI.encode(url)) rescue nil
uri.present? && record_for_url(uri).present?
end
private
def host_must_be_valid
if host !~ /\A[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,10}(:[0-9]{1,5})?(\/.*)?\Z/i &&
host !~ /\A(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})(:[0-9]{1,5})?(\/.*)?\Z/ &&
host !~ /\A([a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.)?localhost(\:[0-9]{1,5})?(\/.*)?\Z/i
errors.add(:host, I18n.t('errors.messages.invalid'))
end
end
end
# == Schema Information
#
# Table name: embeddable_hosts
#
# id :integer not null, primary key
# host :string not null
# category_id :integer not null
# created_at :datetime
# updated_at :datetime
# path_whitelist :string
# class_name :string
#