Add extracted source directory and README navigation

extracted-source/node_modules/@azure/identity/dist/esm/credentials/clientSecretCredential.js

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+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+import { createMsalClient } from "../msal/nodeFlows/msalClient.js";
+import { processMultiTenantRequest, resolveAdditionallyAllowedTenantIds, } from "../util/tenantIdUtils.js";
+import { CredentialUnavailableError } from "../errors.js";
+import { credentialLogger } from "../util/logging.js";
+import { ensureScopes } from "../util/scopeUtils.js";
+import { tracingClient } from "../util/tracing.js";
+const logger = credentialLogger("ClientSecretCredential");
+/**
+ * Enables authentication to Microsoft Entra ID using a client secret
+ * that was generated for an App Registration. More information on how
+ * to configure a client secret can be found here:
+ *
+ * https://learn.microsoft.com/entra/identity-platform/quickstart-configure-app-access-web-apis#add-credentials-to-your-web-application
+ *
+ */
+export class ClientSecretCredential {
+    /**
+     * Creates an instance of the ClientSecretCredential with the details
+     * needed to authenticate against Microsoft Entra ID with a client
+     * secret.
+     *
+     * @param tenantId - The Microsoft Entra tenant (directory) ID.
+     * @param clientId - The client (application) ID of an App Registration in the tenant.
+     * @param clientSecret - A client secret that was generated for the App Registration.
+     * @param options - Options for configuring the client which makes the authentication request.
+     */
+    constructor(tenantId, clientId, clientSecret, options = {}) {
+        if (!tenantId) {
+            throw new CredentialUnavailableError("ClientSecretCredential: tenantId is a required parameter. To troubleshoot, visit https://aka.ms/azsdk/js/identity/serviceprincipalauthentication/troubleshoot.");
+        }
+        if (!clientId) {
+            throw new CredentialUnavailableError("ClientSecretCredential: clientId is a required parameter. To troubleshoot, visit https://aka.ms/azsdk/js/identity/serviceprincipalauthentication/troubleshoot.");
+        }
+        if (!clientSecret) {
+            throw new CredentialUnavailableError("ClientSecretCredential: clientSecret is a required parameter. To troubleshoot, visit https://aka.ms/azsdk/js/identity/serviceprincipalauthentication/troubleshoot.");
+        }
+        this.clientSecret = clientSecret;
+        this.tenantId = tenantId;
+        this.additionallyAllowedTenantIds = resolveAdditionallyAllowedTenantIds(options === null || options === void 0 ? void 0 : options.additionallyAllowedTenants);
+        this.msalClient = createMsalClient(clientId, tenantId, Object.assign(Object.assign({}, options), { logger, tokenCredentialOptions: options }));
+    }
+    /**
+     * Authenticates with Microsoft Entra ID and returns an access token if successful.
+     * If authentication fails, a {@link CredentialUnavailableError} will be thrown with the details of the failure.
+     *
+     * @param scopes - The list of scopes for which the token will have access.
+     * @param options - The options used to configure any requests this
+     *                TokenCredential implementation might make.
+     */
+    async getToken(scopes, options = {}) {
+        return tracingClient.withSpan(`${this.constructor.name}.getToken`, options, async (newOptions) => {
+            newOptions.tenantId = processMultiTenantRequest(this.tenantId, newOptions, this.additionallyAllowedTenantIds, logger);
+            const arrayScopes = ensureScopes(scopes);
+            return this.msalClient.getTokenByClientSecret(arrayScopes, this.clientSecret, newOptions);
+        });
+    }
+}
+//# sourceMappingURL=clientSecretCredential.js.map