mirror of
https://github.com/discourse/discourse.git
synced 2024-12-15 22:42:13 +08:00
96 lines
3.5 KiB
Ruby
96 lines
3.5 KiB
Ruby
class UploadsController < ApplicationController
|
|
before_filter :ensure_logged_in, except: [:show]
|
|
skip_before_filter :preload_json, :check_xhr, :redirect_to_login_if_required, only: [:show]
|
|
|
|
def create
|
|
type = params.require(:type)
|
|
file = params[:file] || params[:files].try(:first)
|
|
url = params[:url]
|
|
client_id = params[:client_id]
|
|
synchronous = is_api? && params[:synchronous]
|
|
|
|
# HACK FOR IE9 to prevent the "download dialog"
|
|
response.headers["Content-Type"] = "text/plain" if request.user_agent =~ /MSIE 9/
|
|
|
|
if synchronous
|
|
data = create_upload(type, file, url)
|
|
render json: data.as_json
|
|
else
|
|
Scheduler::Defer.later("Create Upload") do
|
|
data = create_upload(type, file, url)
|
|
MessageBus.publish("/uploads/#{type}", data.as_json, client_ids: [client_id])
|
|
end
|
|
render json: success_json
|
|
end
|
|
end
|
|
|
|
def show
|
|
return render_404 if !RailsMultisite::ConnectionManagement.has_db?(params[:site])
|
|
|
|
RailsMultisite::ConnectionManagement.with_connection(params[:site]) do |db|
|
|
return render_404 unless Discourse.store.internal?
|
|
return render_404 if SiteSetting.prevent_anons_from_downloading_files && current_user.nil?
|
|
return render_404 if SiteSetting.login_required? && db == "default" && current_user.nil?
|
|
|
|
if upload = Upload.find_by(sha1: params[:sha]) || Upload.find_by(id: params[:id], url: request.env["PATH_INFO"])
|
|
opts = { filename: upload.original_filename }
|
|
opts[:disposition] = 'inline' if params[:inline]
|
|
send_file(Discourse.store.path_for(upload), opts)
|
|
else
|
|
render_404
|
|
end
|
|
end
|
|
end
|
|
|
|
protected
|
|
|
|
def render_404
|
|
render nothing: true, status: 404
|
|
end
|
|
|
|
def create_upload(type, file, url)
|
|
begin
|
|
# ensure we have a file
|
|
if file.nil?
|
|
# API can provide a URL
|
|
if url.present? && is_api?
|
|
tempfile = FileHelper.download(url, 10.megabytes, "discourse-upload-#{type}") rescue nil
|
|
filename = File.basename(URI.parse(url).path)
|
|
end
|
|
else
|
|
tempfile = file.tempfile
|
|
filename = file.original_filename
|
|
content_type = file.content_type
|
|
end
|
|
|
|
return { errors: I18n.t("upload.file_missing") } if tempfile.nil?
|
|
|
|
# allow users to upload large images that will be automatically reduced to allowed size
|
|
if SiteSetting.max_image_size_kb > 0 && FileHelper.is_image?(filename) && File.size(tempfile.path) > 0
|
|
allow_animation = type == "avatar" ? SiteSetting.allow_animated_avatars : SiteSetting.allow_animated_thumbnails
|
|
attempt = 5
|
|
while attempt > 0 && File.size(tempfile.path) > SiteSetting.max_image_size_kb.kilobytes
|
|
OptimizedImage.downsize(tempfile.path, tempfile.path, "80%", filename: filename, allow_animation: allow_animation)
|
|
attempt -= 1
|
|
end
|
|
end
|
|
|
|
upload = Upload.create_for(current_user.id, tempfile, filename, File.size(tempfile.path), content_type: content_type, image_type: type)
|
|
|
|
if upload.errors.empty? && current_user.admin?
|
|
retain_hours = params[:retain_hours].to_i
|
|
upload.update_columns(retain_hours: retain_hours) if retain_hours > 0
|
|
end
|
|
|
|
if upload.errors.empty? && FileHelper.is_image?(filename)
|
|
Jobs.enqueue(:create_thumbnails, upload_id: upload.id, type: type, user_id: params[:user_id])
|
|
end
|
|
|
|
upload.errors.empty? ? upload : { errors: upload.errors.values.flatten }
|
|
ensure
|
|
tempfile.try(:close!) rescue nil
|
|
end
|
|
end
|
|
|
|
end
|