nyastodon/app/controllers/media_controller.rb

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# frozen_string_literal: true
class MediaController < ApplicationController
include Authorization
skip_before_action :store_current_location
skip_before_action :require_functional!, unless: :whitelist_mode?
2019-07-30 11:10:46 +02:00
before_action :authenticate_user!, if: :whitelist_mode?
before_action :set_media_attachment
before_action :verify_permitted_status!
before_action :check_playable, only: :player
before_action :allow_iframing, only: :player
content_security_policy only: :player do |policy|
policy.frame_ancestors(false)
end
def show
redirect_to @media_attachment.file.url(:original)
end
def player
@body_classes = 'player'
end
private
def set_media_attachment
id = params[:id] || params[:medium_id]
return if id.nil?
scope = MediaAttachment.local.attached
# If id is 19 characters long, it's a shortcode, otherwise it's an identifier
@media_attachment = id.size == 19 ? scope.find_by!(shortcode: id) : scope.find_by!(id: id)
end
def verify_permitted_status!
authorize @media_attachment.status, :show?
rescue Mastodon::NotPermittedError
not_found
end
def check_playable
not_found unless @media_attachment.larger_media_format?
end
def allow_iframing
response.headers['X-Frame-Options'] = 'ALLOWALL'
end
end