Files
timelimit-server/src/function/sync/apply-actions/parse-encoded-action.ts
T

37 lines
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TypeScript

/*
* server component for the TimeLimit App
* Copyright (C) 2019 - 2020 Jonas Lochmann
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { InvalidActionParameterException } from '../../../action/meta/exception'
import { ClientPushChangesRequestAction } from '../../../api/schema'
import { BadEncodedActionJsonException, InvalidActionParamterException } from './exception/invalidaction'
export function parseEncodedAction (action: ClientPushChangesRequestAction): object {
try {
const result = JSON.parse(action.encodedAction)
if (typeof result !== 'object') throw new BadEncodedActionJsonException()
return result
} catch (ex) {
if (ex instanceof SyntaxError) {
throw new BadEncodedActionJsonException()
} else if (ex instanceof InvalidActionParameterException) {
throw new InvalidActionParamterException(ex)
} else throw ex
}
}