discourse/app/controllers/uploads_controller.rb

47 lines
1.7 KiB
Ruby

class UploadsController < ApplicationController
before_filter :ensure_logged_in, except: [:show]
skip_before_filter :check_xhr, only: [:show]
def create
file = params[:file] || params[:files].first
# check if the extension is allowed
unless SiteSetting.authorized_upload?(file)
text = I18n.t("upload.unauthorized", authorized_extensions: SiteSetting.authorized_extensions.gsub("|", ", "))
return render status: 415, text: text
end
# check the file size (note: this might also be done in the web server)
filesize = File.size(file.tempfile)
type = SiteSetting.authorized_image?(file) ? "image" : "attachment"
max_size_kb = SiteSetting.send("max_#{type}_size_kb") * 1024
return render status: 413, text: I18n.t("upload.#{type}s.too_large", max_size_kb: max_size_kb) if filesize > max_size_kb
upload = Upload.create_for(current_user.id, file, filesize)
render_serialized(upload, UploadSerializer, root: false)
rescue FastImage::ImageFetchFailure
render status: 422, text: I18n.t("upload.images.fetch_failure")
rescue FastImage::UnknownImageType
render status: 422, text: I18n.t("upload.images.unknown_image_type")
rescue FastImage::SizeNotFound
render status: 422, text: I18n.t("upload.images.size_not_found")
end
def show
return render nothing: true, status: 404 unless Discourse.store.internal?
id = params[:id].to_i
url = request.fullpath
# the "url" parameter is here to prevent people from scanning the uploads using the id
upload = Upload.where(id: id, url: url).first
return render nothing: true, status: 404 unless upload
send_file(Discourse.store.path_for(upload), filename: upload.original_filename)
end
end