50 lines
2.3 KiB
JavaScript
50 lines
2.3 KiB
JavaScript
/*! @azure/msal-node v5.2.2 2026-05-19 */
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'use strict';
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import { Constants } from '@azure/msal-common/node';
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import { LinearRetryStrategy } from './LinearRetryStrategy.mjs';
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/*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License.
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*/
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const DEFAULT_MANAGED_IDENTITY_MAX_RETRIES = 3; // referenced in unit test
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const DEFAULT_MANAGED_IDENTITY_RETRY_DELAY_MS = 1000;
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const DEFAULT_MANAGED_IDENTITY_HTTP_STATUS_CODES_TO_RETRY_ON = [
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Constants.HTTP_NOT_FOUND,
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Constants.HTTP_REQUEST_TIMEOUT,
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Constants.HTTP_TOO_MANY_REQUESTS,
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Constants.HTTP_SERVER_ERROR,
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Constants.HTTP_SERVICE_UNAVAILABLE,
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Constants.HTTP_GATEWAY_TIMEOUT,
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];
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class DefaultManagedIdentityRetryPolicy {
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constructor() {
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this.linearRetryStrategy = new LinearRetryStrategy();
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}
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/*
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* this is defined here as a static variable despite being defined as a constant outside of the
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* class because it needs to be overridden in the unit tests so that the unit tests run faster
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*/
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static get DEFAULT_MANAGED_IDENTITY_RETRY_DELAY_MS() {
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return DEFAULT_MANAGED_IDENTITY_RETRY_DELAY_MS;
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}
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async pauseForRetry(httpStatusCode, currentRetry, logger, retryAfterHeader) {
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if (DEFAULT_MANAGED_IDENTITY_HTTP_STATUS_CODES_TO_RETRY_ON.includes(httpStatusCode) &&
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currentRetry < DEFAULT_MANAGED_IDENTITY_MAX_RETRIES) {
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const retryAfterDelay = this.linearRetryStrategy.calculateDelay(retryAfterHeader, DefaultManagedIdentityRetryPolicy.DEFAULT_MANAGED_IDENTITY_RETRY_DELAY_MS);
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logger.verbose(`Retrying request in ${retryAfterDelay}ms (retry attempt: ${currentRetry + 1})`, "");
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// pause execution for the calculated delay
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await new Promise((resolve) => {
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// retryAfterHeader value of 0 evaluates to false, and DEFAULT_MANAGED_IDENTITY_RETRY_DELAY_MS will be used
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return setTimeout(resolve, retryAfterDelay);
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});
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return true;
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}
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// if the status code is not retriable or max retries have been reached, do not retry
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return false;
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}
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}
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export { DEFAULT_MANAGED_IDENTITY_MAX_RETRIES, DefaultManagedIdentityRetryPolicy };
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//# sourceMappingURL=DefaultManagedIdentityRetryPolicy.mjs.map
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