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55 lines
3.1 KiB
JavaScript
55 lines
3.1 KiB
JavaScript
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT License.
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import { createMsalClient } from "../msal/nodeFlows/msalClient.js";
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import { processMultiTenantRequest, resolveAdditionallyAllowedTenantIds, } from "../util/tenantIdUtils.js";
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import { CredentialUnavailableError } from "../errors.js";
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import { credentialLogger } from "../util/logging.js";
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import { tracingClient } from "../util/tracing.js";
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const logger = credentialLogger("ClientAssertionCredential");
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/**
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* Authenticates a service principal with a JWT assertion.
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*/
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export class ClientAssertionCredential {
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/**
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* Creates an instance of the ClientAssertionCredential with the details
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* needed to authenticate against Microsoft Entra ID with a client
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* assertion provided by the developer through the `getAssertion` function parameter.
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*
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* @param tenantId - The Microsoft Entra tenant (directory) ID.
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* @param clientId - The client (application) ID of an App Registration in the tenant.
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* @param getAssertion - A function that retrieves the assertion for the credential to use.
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* @param options - Options for configuring the client which makes the authentication request.
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*/
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constructor(tenantId, clientId, getAssertion, options = {}) {
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if (!tenantId) {
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throw new CredentialUnavailableError("ClientAssertionCredential: tenantId is a required parameter.");
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}
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if (!clientId) {
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throw new CredentialUnavailableError("ClientAssertionCredential: clientId is a required parameter.");
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}
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if (!getAssertion) {
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throw new CredentialUnavailableError("ClientAssertionCredential: clientAssertion is a required parameter.");
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}
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this.tenantId = tenantId;
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this.additionallyAllowedTenantIds = resolveAdditionallyAllowedTenantIds(options === null || options === void 0 ? void 0 : options.additionallyAllowedTenants);
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this.options = options;
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this.getAssertion = getAssertion;
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this.msalClient = createMsalClient(clientId, tenantId, Object.assign(Object.assign({}, options), { logger, tokenCredentialOptions: this.options }));
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}
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/**
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* Authenticates with Microsoft Entra ID and returns an access token if successful.
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* If authentication fails, a {@link CredentialUnavailableError} will be thrown with the details of the failure.
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*
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* @param scopes - The list of scopes for which the token will have access.
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* @param options - The options used to configure any requests this
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* TokenCredential implementation might make.
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*/
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async getToken(scopes, options = {}) {
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return tracingClient.withSpan(`${this.constructor.name}.getToken`, options, async (newOptions) => {
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newOptions.tenantId = processMultiTenantRequest(this.tenantId, newOptions, this.additionallyAllowedTenantIds, logger);
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const arrayScopes = Array.isArray(scopes) ? scopes : [scopes];
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return this.msalClient.getTokenByClientAssertion(arrayScopes, this.getAssertion, newOptions);
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});
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}
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}
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//# sourceMappingURL=clientAssertionCredential.js.map
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