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64b3512084
This normalizes it so we only carry one place for grabbing disk space size It also normalizes the command made so it uses Discourse.execute_command which splits off params in a far cleaner way.
237 lines
7.0 KiB
Ruby
237 lines
7.0 KiB
Ruby
# frozen_string_literal: true
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require "backup_restore"
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require "backup_restore/backup_store"
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class Admin::BackupsController < Admin::AdminController
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before_action :ensure_backups_enabled
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skip_before_action :check_xhr, only: [:index, :show, :logs, :check_backup_chunk, :upload_backup_chunk]
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def index
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respond_to do |format|
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format.html do
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store_preloaded("operations_status", MultiJson.dump(BackupRestore.operations_status))
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store_preloaded("logs", MultiJson.dump(BackupRestore.logs))
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render "default/empty"
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end
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format.json do
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store = BackupRestore::BackupStore.create
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begin
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render_serialized(store.files, BackupFileSerializer)
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rescue BackupRestore::BackupStore::StorageError => e
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render_json_error(e)
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end
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end
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end
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end
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def status
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render_json_dump(BackupRestore.operations_status)
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end
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def create
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opts = {
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publish_to_message_bus: true,
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with_uploads: params.fetch(:with_uploads) == "true",
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client_id: params[:client_id],
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}
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BackupRestore.backup!(current_user.id, opts)
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rescue BackupRestore::OperationRunningError
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render_error("backup.operation_already_running")
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else
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StaffActionLogger.new(current_user).log_backup_create
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render json: success_json
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end
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def cancel
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BackupRestore.cancel!
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rescue BackupRestore::OperationRunningError
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render_error("backup.operation_already_running")
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else
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render json: success_json
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end
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def email
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store = BackupRestore::BackupStore.create
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if store.file(params.fetch(:id)).present?
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Jobs.enqueue(
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:download_backup_email,
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user_id: current_user.id,
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backup_file_path: url_for(controller: 'backups', action: 'show')
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)
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render body: nil
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else
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render body: nil, status: 404
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end
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end
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def show
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if !EmailBackupToken.compare(current_user.id, params.fetch(:token))
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@error = I18n.t('download_backup_mailer.no_token')
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return render template: 'admin/backups/show.html.erb', layout: 'no_ember', status: 422
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end
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store = BackupRestore::BackupStore.create
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if backup = store.file(params.fetch(:id), include_download_source: true)
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EmailBackupToken.del(current_user.id)
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StaffActionLogger.new(current_user).log_backup_download(backup)
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if store.remote?
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redirect_to backup.source
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else
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headers['Content-Length'] = File.size(backup.source).to_s
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send_file backup.source
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end
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else
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render body: nil, status: 404
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end
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end
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def destroy
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store = BackupRestore::BackupStore.create
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if backup = store.file(params.fetch(:id))
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StaffActionLogger.new(current_user).log_backup_destroy(backup)
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store.delete_file(backup.filename)
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render body: nil
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else
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render body: nil, status: 404
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end
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end
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def logs
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store_preloaded("operations_status", MultiJson.dump(BackupRestore.operations_status))
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store_preloaded("logs", MultiJson.dump(BackupRestore.logs))
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render "default/empty"
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end
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def restore
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opts = {
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filename: params.fetch(:id),
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client_id: params.fetch(:client_id),
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publish_to_message_bus: true,
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}
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BackupRestore.restore!(current_user.id, opts)
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rescue BackupRestore::OperationRunningError
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render_error("backup.operation_already_running")
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else
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render json: success_json
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end
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def rollback
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BackupRestore.rollback!
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rescue BackupRestore::OperationRunningError
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render_error("backup.operation_already_running")
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else
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render json: success_json
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end
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def readonly
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enable = params.fetch(:enable).to_s == "true"
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readonly_mode_key = Discourse::USER_READONLY_MODE_KEY
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if enable
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Discourse.enable_readonly_mode(readonly_mode_key)
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else
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Discourse.disable_readonly_mode(readonly_mode_key)
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end
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StaffActionLogger.new(current_user).log_change_readonly_mode(enable)
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render body: nil
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end
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def check_backup_chunk
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identifier = params.fetch(:resumableIdentifier)
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filename = params.fetch(:resumableFilename)
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chunk_number = params.fetch(:resumableChunkNumber)
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current_chunk_size = params.fetch(:resumableCurrentChunkSize).to_i
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raise Discourse::InvalidParameters.new(:resumableIdentifier) unless valid_filename?(identifier)
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# path to chunk file
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chunk = BackupRestore::LocalBackupStore.chunk_path(identifier, filename, chunk_number)
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# check chunk upload status
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status = HandleChunkUpload.check_chunk(chunk, current_chunk_size: current_chunk_size)
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render body: nil, status: status
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end
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def upload_backup_chunk
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filename = params.fetch(:resumableFilename)
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total_size = params.fetch(:resumableTotalSize).to_i
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identifier = params.fetch(:resumableIdentifier)
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raise Discourse::InvalidParameters.new(:resumableIdentifier) unless valid_filename?(identifier)
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return render status: 415, plain: I18n.t("backup.backup_file_should_be_tar_gz") unless valid_extension?(filename)
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return render status: 415, plain: I18n.t("backup.not_enough_space_on_disk") unless has_enough_space_on_disk?(total_size)
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return render status: 415, plain: I18n.t("backup.invalid_filename") unless valid_filename?(filename)
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file = params.fetch(:file)
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chunk_number = params.fetch(:resumableChunkNumber).to_i
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chunk_size = params.fetch(:resumableChunkSize).to_i
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current_chunk_size = params.fetch(:resumableCurrentChunkSize).to_i
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# path to chunk file
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chunk = BackupRestore::LocalBackupStore.chunk_path(identifier, filename, chunk_number)
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# upload chunk
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HandleChunkUpload.upload_chunk(chunk, file: file)
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uploaded_file_size = chunk_number * chunk_size
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# when all chunks are uploaded
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if uploaded_file_size + current_chunk_size >= total_size
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# merge all the chunks in a background thread
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Jobs.enqueue_in(5.seconds, :backup_chunks_merger, filename: filename, identifier: identifier, chunks: chunk_number)
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end
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render body: nil
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end
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def create_upload_url
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params.require(:filename)
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filename = params.fetch(:filename)
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return render_json_error(I18n.t("backup.backup_file_should_be_tar_gz")) unless valid_extension?(filename)
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return render_json_error(I18n.t("backup.invalid_filename")) unless valid_filename?(filename)
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store = BackupRestore::BackupStore.create
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begin
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upload_url = store.generate_upload_url(filename)
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rescue BackupRestore::BackupStore::BackupFileExists
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return render_json_error(I18n.t("backup.file_exists"))
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rescue BackupRestore::BackupStore::StorageError => e
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return render_json_error(e)
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end
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render json: success_json.merge(url: upload_url)
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end
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private
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def has_enough_space_on_disk?(size)
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DiskSpace.free("#{Rails.root}/public/backups") > size
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end
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def ensure_backups_enabled
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raise Discourse::InvalidAccess.new unless SiteSetting.enable_backups?
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end
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def valid_extension?(filename)
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/\.(tar\.gz|t?gz)$/i =~ filename
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end
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def valid_filename?(filename)
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!!(/^[a-zA-Z0-9\._\-]+$/ =~ filename)
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end
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def render_error(message_key)
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render json: failed_json.merge(message: I18n.t(message_key))
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end
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end
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