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87b95356f7
The check used to be necessary because we validated the referrer too and this bypass was a workaround a bug that is present in some browsers that do not send the correct referrer.
86 lines
2.1 KiB
Ruby
86 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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class EmbeddableHost < ActiveRecord::Base
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validate :host_must_be_valid
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belongs_to :category
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after_destroy :reset_embedding_settings
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before_validation do
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self.host.sub!(%r{^https?://}, "")
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self.host.sub!(%r{/.*$}, "")
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end
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# TODO(2021-07-23): Remove
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self.ignored_columns = ["path_whitelist"]
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def self.record_for_url(uri)
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if uri.is_a?(String)
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uri =
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begin
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URI(UrlHelper.normalized_encode(uri))
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rescue URI::Error, Addressable::URI::InvalidURIError
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end
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end
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return false unless uri.present?
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host = uri.host
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return false unless host.present?
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host << ":#{uri.port}" if uri.port.present? && uri.port != 80 && uri.port != 443
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path = uri.path
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path << "?" << uri.query if uri.query.present?
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where("lower(host) = ?", host).each do |eh|
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return eh if eh.allowed_paths.blank?
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path_regexp = Regexp.new(eh.allowed_paths)
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return eh if path_regexp.match(path) || path_regexp.match(UrlHelper.unencode(path))
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end
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nil
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end
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def self.url_allowed?(url)
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return false if url.nil?
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uri =
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begin
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URI(UrlHelper.normalized_encode(url))
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rescue URI::Error
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end
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uri.present? && record_for_url(uri).present?
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end
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private
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def reset_embedding_settings
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unless EmbeddableHost.exists?
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Embedding.settings.each { |s| SiteSetting.set(s.to_s, SiteSetting.defaults[s]) }
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end
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end
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def host_must_be_valid
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if host !~ /\A[a-z0-9]+([\-\.]+{1}[a-z0-9]+)*\.[a-z]{2,24}(:[0-9]{1,5})?(\/.*)?\Z/i &&
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host !~ /\A(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})(:[0-9]{1,5})?(\/.*)?\Z/ &&
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host !~ /\A([a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.)?localhost(\:[0-9]{1,5})?(\/.*)?\Z/i
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errors.add(:host, I18n.t("errors.messages.invalid"))
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end
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end
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end
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# == Schema Information
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#
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# Table name: embeddable_hosts
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#
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# id :integer not null, primary key
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# host :string not null
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# category_id :integer not null
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# created_at :datetime not null
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# updated_at :datetime not null
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# class_name :string
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# allowed_paths :string
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#
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