app/controllers/stream_entries_controller.rb

   1 # frozen_string_literal: true
   2
   3 class StreamEntriesController < ApplicationController
   4   include Authorization
   5   include SignatureVerification
   6
   7   layout 'public'
   8
   9   before_action :set_account
  10   before_action :set_stream_entry
  11   before_action :set_link_headers
  12   before_action :check_account_suspension
  13   before_action :set_cache_headers
  14
  15   def show
  16     respond_to do |format|
  17       format.html do
  18         redirect_to short_account_status_url(params[:account_username], @stream_entry.activity) if @type == 'status'
  19       end
  20
  21       format.atom do
  22         unless @stream_entry.hidden?
  23           skip_session!
  24           expires_in 3.minutes, public: true
  25         end
  26
  27         render xml: OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.entry(@stream_entry, true))
  28       end
  29     end
  30   end
  31
  32   def embed
  33     redirect_to embed_short_account_status_url(@account, @stream_entry.activity), status: 301
  34   end
  35
  36   private
  37
  38   def set_account
  39     @account = Account.find_local!(params[:account_username])
  40   end
  41
  42   def set_link_headers
  43     response.headers['Link'] = LinkHeader.new(
  44       [
  45         [account_stream_entry_url(@account, @stream_entry, format: 'atom'), [%w(rel alternate), %w(type application/atom+xml)]],
  46         [ActivityPub::TagManager.instance.uri_for(@stream_entry.activity), [%w(rel alternate), %w(type application/activity+json)]],
  47       ]
  48     )
  49   end
  50
  51   def set_stream_entry
  52     @stream_entry = @account.stream_entries.where(activity_type: 'Status').find(params[:id])
  53     @type         = @stream_entry.activity_type.downcase
  54
  55     raise ActiveRecord::RecordNotFound if @stream_entry.activity.nil?
  56     authorize @stream_entry.activity, :show? if @stream_entry.hidden?
  57   rescue Mastodon::NotPermittedError
  58     # Reraise in order to get a 404
  59     raise ActiveRecord::RecordNotFound
  60   end
  61
  62   def check_account_suspension
  63     gone if @account.suspended?
  64   end
  65 end