discourse/app/controllers/admin/backups_controller.rb

187 lines
5.8 KiB
Ruby

require "backup_restore/backup_restore"
class Admin::BackupsController < Admin::AdminController
before_action :ensure_backups_enabled
skip_before_action :check_xhr, only: [:index, :show, :logs, :check_backup_chunk, :upload_backup_chunk]
def index
respond_to do |format|
format.html do
store_preloaded("backups", MultiJson.dump(serialize_data(Backup.all, BackupSerializer)))
store_preloaded("operations_status", MultiJson.dump(BackupRestore.operations_status))
store_preloaded("logs", MultiJson.dump(BackupRestore.logs))
render "default/empty"
end
format.json do
render_serialized(Backup.all, BackupSerializer)
end
end
end
def status
render_json_dump(BackupRestore.operations_status)
end
def create
opts = {
publish_to_message_bus: true,
with_uploads: params.fetch(:with_uploads) == "true",
client_id: params[:client_id],
}
BackupRestore.backup!(current_user.id, opts)
rescue BackupRestore::OperationRunningError
render json: failed_json.merge(message: I18n.t("backup.operation_already_running"))
else
StaffActionLogger.new(current_user).log_backup_create
render json: success_json
end
def cancel
BackupRestore.cancel!
rescue BackupRestore::OperationRunningError
render json: failed_json.merge(message: I18n.t("backup.operation_already_running"))
else
render json: success_json
end
def email
if backup = Backup[params.fetch(:id)]
Jobs.enqueue(:download_backup_email,
user_id: current_user.id,
backup_file_path: url_for(controller: 'backups', action: 'show')
)
render body: nil
else
render body: nil, status: 404
end
end
def show
if !EmailBackupToken.compare(current_user.id, params.fetch(:token))
@error = I18n.t('download_backup_mailer.no_token')
end
if !@error && backup = Backup[params.fetch(:id)]
EmailBackupToken.del(current_user.id)
StaffActionLogger.new(current_user).log_backup_download(backup)
headers['Content-Length'] = File.size(backup.path).to_s
send_file backup.path
else
if @error
render template: 'admin/backups/show.html.erb', layout: 'no_ember', status: 422
else
render body: nil, status: 404
end
end
end
def destroy
if backup = Backup[params.fetch(:id)]
StaffActionLogger.new(current_user).log_backup_destroy(backup)
backup.remove
render body: nil
else
render body: nil, status: 404
end
end
def logs
store_preloaded("operations_status", MultiJson.dump(BackupRestore.operations_status))
store_preloaded("logs", MultiJson.dump(BackupRestore.logs))
render "default/empty"
end
def restore
opts = {
filename: params.fetch(:id),
client_id: params.fetch(:client_id),
publish_to_message_bus: true,
}
SiteSetting.set_and_log(:disable_emails, 'yes', current_user)
BackupRestore.restore!(current_user.id, opts)
rescue BackupRestore::OperationRunningError
render json: failed_json.merge(message: I18n.t("backup.operation_already_running"))
else
render json: success_json
end
def rollback
BackupRestore.rollback!
rescue BackupRestore::OperationRunningError
render json: failed_json.merge(message: I18n.t("backup.operation_already_running"))
else
render json: success_json
end
def readonly
enable = params.fetch(:enable).to_s == "true"
readonly_mode_key = Discourse::USER_READONLY_MODE_KEY
if enable
Discourse.enable_readonly_mode(readonly_mode_key)
else
Discourse.disable_readonly_mode(readonly_mode_key)
end
StaffActionLogger.new(current_user).log_change_readonly_mode(enable)
render body: nil
end
def check_backup_chunk
identifier = params.fetch(:resumableIdentifier)
filename = params.fetch(:resumableFilename)
chunk_number = params.fetch(:resumableChunkNumber)
current_chunk_size = params.fetch(:resumableCurrentChunkSize).to_i
# path to chunk file
chunk = Backup.chunk_path(identifier, filename, chunk_number)
# check chunk upload status
status = HandleChunkUpload.check_chunk(chunk, current_chunk_size: current_chunk_size)
render body: nil, status: status
end
def upload_backup_chunk
filename = params.fetch(:resumableFilename)
total_size = params.fetch(:resumableTotalSize).to_i
return render status: 415, plain: I18n.t("backup.backup_file_should_be_tar_gz") unless /\.(tar\.gz|t?gz)$/i =~ filename
return render status: 415, plain: I18n.t("backup.not_enough_space_on_disk") unless has_enough_space_on_disk?(total_size)
return render status: 415, plain: I18n.t("backup.invalid_filename") unless !!(/^[a-zA-Z0-9\._\-]+$/ =~ filename)
file = params.fetch(:file)
identifier = params.fetch(:resumableIdentifier)
chunk_number = params.fetch(:resumableChunkNumber).to_i
chunk_size = params.fetch(:resumableChunkSize).to_i
current_chunk_size = params.fetch(:resumableCurrentChunkSize).to_i
# path to chunk file
chunk = Backup.chunk_path(identifier, filename, chunk_number)
# upload chunk
HandleChunkUpload.upload_chunk(chunk, file: file)
uploaded_file_size = chunk_number * chunk_size
# when all chunks are uploaded
if uploaded_file_size + current_chunk_size >= total_size
# merge all the chunks in a background thread
Jobs.enqueue_in(5.seconds, :backup_chunks_merger, filename: filename, identifier: identifier, chunks: chunk_number)
end
render body: nil
end
private
def has_enough_space_on_disk?(size)
`df -Pk #{Rails.root}/public/backups | awk 'NR==2 {print $4 * 1024;}'`.to_i > size
end
def ensure_backups_enabled
raise Discourse::InvalidAccess.new unless SiteSetting.enable_backups?
end
end