discourse/app/controllers/permalinks_controller.rb

# frozen_string_literal: true

class PermalinksController < ApplicationController
  skip_before_action :check_xhr, :preload_json

  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

end
DEV: enable frozen string literal on all files This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging 2019-05-03 06:17:27 +08:00			`# frozen_string_literal: true`

FEATURE: add a way to map arbitrary urls to a topic, post, or category. Useful for sites that have migrated to Discourse and want to redirect from their old site to Discourse with 301 redirects. 2014-08-29 03:09:36 +08:00			`class PermalinksController < ApplicationController`
Fix all the errors to get our tests green on Rails 5.1. 2017-08-31 12:06:56 +08:00			`skip_before_action :check_xhr, :preload_json`
FEATURE: add a way to map arbitrary urls to a topic, post, or category. Useful for sites that have migrated to Discourse and want to redirect from their old site to Discourse with 301 redirects. 2014-08-29 03:09:36 +08:00
			`def show`
FIX: permalink normalization not applied at constraint implement permalink import for lithium 2015-07-22 11:40:45 +08:00			`url = request.fullpath`
FIX: support for redirects to external url in permalinks table was broken 2015-04-24 04:45:28 +08:00
FIX: support Permalink urls with query string 2014-09-11 01:58:52 +08:00			`permalink = Permalink.find_by_url(url)`
FIX: support for redirects to external url in permalinks table was broken 2015-04-24 04:45:28 +08:00
			`raise Discourse::NotFound unless permalink`

FIX: if we have not target available do not redirect 2018-08-20 11:10:49 +08:00			`if permalink.target_url`
FIX: permalinks redirect on subfolder installs could add the subfolder to the url twice 2015-10-13 04:48:32 +08:00			`redirect_to permalink.target_url, status: :moved_permanently`
FEATURE: add a way to map arbitrary urls to a topic, post, or category. Useful for sites that have migrated to Discourse and want to redirect from their old site to Discourse with 301 redirects. 2014-08-29 03:09:36 +08:00			`else`
			`raise Discourse::NotFound`
			`end`
			`end`
FIX: support for redirects to external url in permalinks table was broken 2015-04-24 04:45:28 +08:00
FEATURE: add a way to map arbitrary urls to a topic, post, or category. Useful for sites that have migrated to Discourse and want to redirect from their old site to Discourse with 301 redirects. 2014-08-29 03:09:36 +08:00			`end`