discourse/app/controllers/permalinks_controller.rb

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# frozen_string_literal: true
class PermalinksController < ApplicationController
skip_before_action :check_xhr, :preload_json, only: [:show]
def show
url = request.fullpath
permalink = Permalink.find_by_url(url)
raise Discourse::NotFound unless permalink
if permalink.target_url
redirect_to permalink.target_url, status: :moved_permanently
else
raise Discourse::NotFound
end
end
def check
begin
raise Discourse::NotFound if params[:path].blank?
permalink = Permalink.find_by_url(params[:path])
raise Discourse::NotFound unless permalink
data = {
found: true,
internal: permalink.external_url.nil?,
target_url: permalink.target_url,
}
render json: MultiJson.dump(data)
rescue Discourse::NotFound
data = {
found: false,
html: build_not_found_page(status: 200),
}
render json: MultiJson.dump(data)
end
end
end