93 lines
3.1 KiB
Ruby
93 lines
3.1 KiB
Ruby
require_dependency 'upload_creator'
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class UploadsController < ApplicationController
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before_filter :ensure_logged_in, except: [:show]
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skip_before_filter :preload_json, :check_xhr, :redirect_to_login_if_required, only: [:show]
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def create
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# 50 characters ought to be enough for the upload type
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type = params.require(:type).parameterize("_")[0..50]
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if type == "avatar" && (SiteSetting.sso_overrides_avatar || !SiteSetting.allow_uploaded_avatars)
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return render json: failed_json, status: 422
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end
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url = params[:url]
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file = params[:file] || params[:files]&.first
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if params[:synchronous] && (current_user.staff? || is_api?)
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data = create_upload(file, url, type)
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render json: data.as_json
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else
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Scheduler::Defer.later("Create Upload") do
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begin
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data = create_upload(file, url, type)
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ensure
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MessageBus.publish("/uploads/#{type}", (data || {}).as_json, client_ids: [params[:client_id]])
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end
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end
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render json: success_json
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end
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end
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def show
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return render_404 if !RailsMultisite::ConnectionManagement.has_db?(params[:site])
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RailsMultisite::ConnectionManagement.with_connection(params[:site]) do |db|
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return render_404 unless Discourse.store.internal?
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return render_404 if SiteSetting.prevent_anons_from_downloading_files && current_user.nil?
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return render_404 if SiteSetting.login_required? && db == "default" && current_user.nil?
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if upload = Upload.find_by(sha1: params[:sha]) || Upload.find_by(id: params[:id], url: request.env["PATH_INFO"])
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opts = {
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filename: upload.original_filename,
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content_type: Rack::Mime.mime_type(File.extname(upload.original_filename)),
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}
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opts[:disposition] = "inline" if params[:inline]
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opts[:disposition] ||= "attachment" unless FileHelper.is_image?(upload.original_filename)
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send_file(Discourse.store.path_for(upload), opts)
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else
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render_404
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end
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end
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end
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protected
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def render_404
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raise Discourse::NotFound
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end
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def create_upload(file, url, type)
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if file.nil?
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if url.present? && is_api?
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maximum_upload_size = [SiteSetting.max_image_size_kb, SiteSetting.max_attachment_size_kb].max.kilobytes
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tempfile = FileHelper.download(
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url,
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max_file_size: maximum_upload_size,
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tmp_file_name: "discourse-upload-#{type}"
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) rescue nil
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filename = File.basename(URI.parse(url).path)
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end
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else
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tempfile = file.tempfile
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filename = file.original_filename
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content_type = file.content_type
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end
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return { errors: [I18n.t("upload.file_missing")] } if tempfile.nil?
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upload = UploadCreator.new(tempfile, filename, type: type, content_type: content_type).create_for(current_user.id)
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if upload.errors.empty? && current_user.admin?
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retain_hours = params[:retain_hours].to_i
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upload.update_columns(retain_hours: retain_hours) if retain_hours > 0
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end
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upload.errors.empty? ? upload : { errors: upload.errors.values.flatten }
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ensure
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tempfile&.close! rescue nil
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end
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end
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