Fixes import wizard to work with enabled SQL auth provider (#23004) (#23052)

extensions/import/src/common/utils.ts

@@ -0,0 +1,52 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as vscode from 'vscode';
+
+const mssqlExtensionConfigName = 'mssql';
+const enableSqlAuthenticationProviderConfig = 'enableSqlAuthenticationProvider';
+
+const azureExtensionConfigName = 'azure';
+const azureAuthenticationLibraryConfig = 'authenticationLibrary';
+const MSAL = 'MSAL';
+
+/**
+ * @returns 'True' if MSAL auth library is in use and SQL Auth provider is enabled.
+ */
+export function isMssqlAuthProviderEnabled(): boolean {
+	return getAzureAuthenticationLibraryConfig() === MSAL && getEnableSqlAuthenticationProviderConfig();
+}
+
+export function getConfiguration(config: string): vscode.WorkspaceConfiguration {
+	return vscode.workspace.getConfiguration(config);
+}
+
+/**
+ * Reads setting 'azure.AuthenticationLibrary' and returns the library name enabled.
+ * @returns MSAL | ADAL
+ */
+export function getAzureAuthenticationLibraryConfig(): string {
+	const config = getConfiguration(azureExtensionConfigName);
+	if (config) {
+		return config.get<string>(azureAuthenticationLibraryConfig, MSAL); // default Auth library
+	}
+	else {
+		return MSAL; // default Auth library
+	}
+}
+
+/**
+ * Reads setting 'mssql.enableSqlAuthenticationProvider' and returns true if it's enabled.
+ * @returns True Sql Auth provider is enabled for MSSQL provider.
+ */
+export function getEnableSqlAuthenticationProviderConfig(): boolean {
+	const config = getConfiguration(mssqlExtensionConfigName);
+	if (config) {
+		return config.get<boolean>(enableSqlAuthenticationProviderConfig, true); // enabled by default
+	}
+	else {
+		return true; // enabled by default
+	}
+}