/*! @azure/msal-node v5.1.3 2026-04-16 */
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'use strict';
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import { Logger, DEFAULT_CRYPTO_IMPLEMENTATION, Constants, Authority, ProtocolMode, StubPerformanceClient, createClientConfigurationError, ClientConfigurationErrorCodes } from '@azure/msal-common/node';
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import { buildManagedIdentityConfiguration } from '../config/Configuration.mjs';
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import { name, version } from '../packageMetadata.mjs';
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import { CryptoProvider } from '../crypto/CryptoProvider.mjs';
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import { ClientCredentialClient } from './ClientCredentialClient.mjs';
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import { ManagedIdentityClient } from './ManagedIdentityClient.mjs';
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import { NodeStorage } from '../cache/NodeStorage.mjs';
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import { DEFAULT_AUTHORITY_FOR_MANAGED_IDENTITY, ManagedIdentitySourceNames } from '../utils/Constants.mjs';
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import { HashUtils } from '../crypto/HashUtils.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 SOURCES_THAT_SUPPORT_TOKEN_REVOCATION = [ManagedIdentitySourceNames.SERVICE_FABRIC];
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/**
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* Class to initialize a managed identity and identify the service
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* @public
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*/
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class ManagedIdentityApplication {
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constructor(configuration) {
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// undefined config means the managed identity is system-assigned
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this.config = buildManagedIdentityConfiguration(configuration || {});
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this.logger = new Logger(this.config.system.loggerOptions, name, version);
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const fakeStatusAuthorityOptions = {
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canonicalAuthority: Constants.DEFAULT_AUTHORITY,
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};
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if (!ManagedIdentityApplication.nodeStorage) {
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ManagedIdentityApplication.nodeStorage = new NodeStorage(this.logger, this.config.managedIdentityId.id, DEFAULT_CRYPTO_IMPLEMENTATION, fakeStatusAuthorityOptions);
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}
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this.networkClient = this.config.system.networkClient;
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this.cryptoProvider = new CryptoProvider();
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const fakeAuthorityOptions = {
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protocolMode: ProtocolMode.AAD,
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knownAuthorities: [DEFAULT_AUTHORITY_FOR_MANAGED_IDENTITY],
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cloudDiscoveryMetadata: "",
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authorityMetadata: "",
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};
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this.fakeAuthority = new Authority(DEFAULT_AUTHORITY_FOR_MANAGED_IDENTITY, this.networkClient, ManagedIdentityApplication.nodeStorage, fakeAuthorityOptions, this.logger, this.cryptoProvider.createNewGuid(), // correlationID
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new StubPerformanceClient(), true);
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this.fakeClientCredentialClient = new ClientCredentialClient({
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authOptions: {
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clientId: this.config.managedIdentityId.id,
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authority: this.fakeAuthority,
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},
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});
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this.managedIdentityClient = new ManagedIdentityClient(this.logger, ManagedIdentityApplication.nodeStorage, this.networkClient, this.cryptoProvider, this.config.disableInternalRetries);
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this.hashUtils = new HashUtils();
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}
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/**
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* Acquire an access token from the cache or the managed identity
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* @param managedIdentityRequest - the ManagedIdentityRequestParams object passed in by the developer
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* @returns the access token
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*/
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async acquireToken(managedIdentityRequestParams) {
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if (!managedIdentityRequestParams.resource) {
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throw createClientConfigurationError(ClientConfigurationErrorCodes.urlEmptyError);
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}
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const managedIdentityRequest = {
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forceRefresh: managedIdentityRequestParams.forceRefresh,
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resource: managedIdentityRequestParams.resource.replace("/.default", ""),
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scopes: [
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managedIdentityRequestParams.resource.replace("/.default", ""),
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],
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authority: this.fakeAuthority.canonicalAuthority,
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correlationId: this.cryptoProvider.createNewGuid(),
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claims: managedIdentityRequestParams.claims,
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clientCapabilities: this.config.clientCapabilities,
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};
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if (managedIdentityRequest.forceRefresh) {
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return this.acquireTokenFromManagedIdentity(managedIdentityRequest, this.config.managedIdentityId, this.fakeAuthority);
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}
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const [cachedAuthenticationResult, lastCacheOutcome] = await this.fakeClientCredentialClient.getCachedAuthenticationResult(managedIdentityRequest, this.config, this.cryptoProvider, this.fakeAuthority, ManagedIdentityApplication.nodeStorage);
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/*
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* Check if claims are present in the managed identity request.
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* If so, the cached token will not be used.
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*/
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if (managedIdentityRequest.claims) {
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const sourceName = this.managedIdentityClient.getManagedIdentitySource();
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/*
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* Check if there is a cached token and if the Managed Identity source supports token revocation.
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* If so, hash the cached access token and add it to the request.
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*/
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if (cachedAuthenticationResult &&
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SOURCES_THAT_SUPPORT_TOKEN_REVOCATION.includes(sourceName)) {
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const revokedTokenSha256Hash = this.hashUtils
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.sha256(cachedAuthenticationResult.accessToken)
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.toString(Constants.EncodingTypes.HEX);
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managedIdentityRequest.revokedTokenSha256Hash =
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revokedTokenSha256Hash;
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}
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return this.acquireTokenFromManagedIdentity(managedIdentityRequest, this.config.managedIdentityId, this.fakeAuthority);
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}
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if (cachedAuthenticationResult) {
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// if the token is not expired but must be refreshed; get a new one in the background
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if (lastCacheOutcome ===
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Constants.CacheOutcome.PROACTIVELY_REFRESHED) {
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this.logger.info("ClientCredentialClient:getCachedAuthenticationResult - Cached access token's refreshOn property has been exceeded'. It's not expired, but must be refreshed.", managedIdentityRequest.correlationId);
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// force refresh; will run in the background
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const refreshAccessToken = true;
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await this.acquireTokenFromManagedIdentity(managedIdentityRequest, this.config.managedIdentityId, this.fakeAuthority, refreshAccessToken);
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}
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return cachedAuthenticationResult;
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}
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else {
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return this.acquireTokenFromManagedIdentity(managedIdentityRequest, this.config.managedIdentityId, this.fakeAuthority);
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}
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}
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/**
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* Acquires a token from a managed identity endpoint.
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*
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* @param managedIdentityRequest - The request object containing parameters for the managed identity token request.
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* @param managedIdentityId - The identifier for the managed identity (e.g., client ID or resource ID).
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* @param fakeAuthority - A placeholder authority used for the token request.
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* @param refreshAccessToken - Optional flag indicating whether to force a refresh of the access token.
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* @returns A promise that resolves to an AuthenticationResult containing the acquired token and related information.
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*/
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async acquireTokenFromManagedIdentity(managedIdentityRequest, managedIdentityId, fakeAuthority, refreshAccessToken) {
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// make a network call to the managed identity
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return this.managedIdentityClient.sendManagedIdentityTokenRequest(managedIdentityRequest, managedIdentityId, fakeAuthority, refreshAccessToken);
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}
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/**
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* Determine the Managed Identity Source based on available environment variables. This API is consumed by Azure Identity SDK.
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* @returns ManagedIdentitySourceNames - The Managed Identity source's name
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*/
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getManagedIdentitySource() {
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return (ManagedIdentityClient.sourceName ||
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this.managedIdentityClient.getManagedIdentitySource());
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}
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}
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export { ManagedIdentityApplication };
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//# sourceMappingURL=ManagedIdentityApplication.mjs.map
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