123 lines
4.0 KiB
Ruby
123 lines
4.0 KiB
Ruby
require "mini_mime"
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require_dependency 'upload_creator'
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class UploadsController < ApplicationController
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before_action :ensure_logged_in, except: [:show]
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skip_before_action :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(separator: "_")[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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pasted = params[:pasted] == "true"
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for_private_message = params[:for_private_message] == "true"
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if params[:synchronous] && (current_user.staff? || is_api?)
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data = create_upload(file, url, type, for_private_message, pasted)
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render json: serialize_upload(data)
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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, for_private_message, pasted)
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ensure
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MessageBus.publish("/uploads/#{type}", serialize_upload(data), 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 lookup_urls
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params.permit(short_urls: [])
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uploads = []
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if (params[:short_urls] && params[:short_urls].length > 0)
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PrettyText::Helpers.lookup_image_urls(params[:short_urls]).each do |short_url, url|
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uploads << { short_url: short_url, url: url }
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end
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end
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render json: uploads.to_json
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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: MiniMime.lookup_by_filename(upload.original_filename)&.content_type,
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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 serialize_upload(data)
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# as_json.as_json is not a typo... as_json in AM serializer returns keys as symbols, we need them
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# as strings here
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serialized = UploadSerializer.new(data, root: nil).as_json.as_json if Upload === data
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serialized ||= (data || {}).as_json
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end
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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, for_private_message, pasted)
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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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opts = {
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type: type,
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content_type: content_type,
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for_private_message: for_private_message,
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pasted: pasted,
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}
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upload = UploadCreator.new(tempfile, filename, opts).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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