discourse/app/models/embeddable_host.rb

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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_host(host)
uri = URI(host) rescue nil
return false unless uri.present?
host = uri.host
return false unless host.present?
where("lower(host) = ?", host).first
end
def self.host_allowed?(host)
record_for_host(host).present?
end
private
def host_must_be_valid
if host !~ /\A[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,7}(:[0-9]{1,5})?(\/.*)?\Z/i &&
host !~ /\A(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\Z/
errors.add(:host, I18n.t('errors.messages.invalid'))
end
end
end
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# == Schema Information
#
# Table name: embeddable_hosts
#
# id :integer not null, primary key
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# host :string not null
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# category_id :integer not null
# created_at :datetime
# updated_at :datetime
#