mirror of https://github.com/apache/superset.git
34 lines
1.7 KiB
TypeScript
34 lines
1.7 KiB
TypeScript
/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import jwt_decode from "jwt-decode";
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export const REFRESH_TIMING_BUFFER_MS = 5000 // refresh guest token early to avoid failed superset requests
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export const MIN_REFRESH_WAIT_MS = 10000 // avoid blasting requests as fast as the cpu can handle
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export const DEFAULT_TOKEN_EXP_MS = 300000 // (5 min) used only when parsing guest token exp fails
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// when do we refresh the guest token?
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export function getGuestTokenRefreshTiming(currentGuestToken: string) {
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const parsedJwt = jwt_decode<Record<string, any>>(currentGuestToken);
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// if exp is int, it is in seconds, but Date() takes milliseconds
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const exp = new Date(/[^0-9\.]/g.test(parsedJwt.exp) ? parsedJwt.exp : parseFloat(parsedJwt.exp) * 1000);
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const isValidDate = exp.toString() !== 'Invalid Date';
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const ttl = isValidDate ? Math.max(MIN_REFRESH_WAIT_MS, exp.getTime() - Date.now()) : DEFAULT_TOKEN_EXP_MS;
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return ttl - REFRESH_TIMING_BUFFER_MS;
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}
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