@azure/msal-browser
Version:
Microsoft Authentication Library for js
111 lines (108 loc) • 4.38 kB
JavaScript
/*! @azure/msal-browser v5.6.3 2026-04-01 */
;
import { Logger, StubPerformanceClient, Constants } from '@azure/msal-common/browser';
import { name, version } from '../../packageMetadata.mjs';
import { DEFAULT_NATIVE_BROKER_HANDSHAKE_TIMEOUT_MS } from '../../config/Configuration.mjs';
import { PlatformAuthExtensionHandler } from './PlatformAuthExtensionHandler.mjs';
import { PlatformAuthDOMHandler } from './PlatformAuthDOMHandler.mjs';
import { BrowserCacheLocation } from '../../utils/BrowserConstants.mjs';
import { PLATFORM_AUTH_DOM_SUPPORT } from '../../cache/CacheKeys.mjs';
/*
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License.
*/
/**
* Checks if the platform broker is available in the current environment.
* @param loggerOptions
* @param perfClient
* @param correlationId
* @returns
*/
async function isPlatformBrokerAvailable(loggerOptions, perfClient, correlationId) {
const logger = new Logger(loggerOptions || {}, name, version);
const cid = correlationId || "";
logger.trace("07660b", cid);
const performanceClient = perfClient || new StubPerformanceClient();
if (typeof window === "undefined") {
logger.trace("082ed3", cid);
return false;
}
return !!(await getPlatformAuthProvider(logger, performanceClient, cid));
}
async function getPlatformAuthProvider(logger, performanceClient, correlationId, nativeBrokerHandshakeTimeout) {
logger.trace("134j0v", correlationId);
const enablePlatformBrokerDOMSupport = isDomEnabledForPlatformAuth();
logger.trace("04c81g", correlationId);
let platformAuthProvider;
try {
if (enablePlatformBrokerDOMSupport) {
// Check if DOM platform API is supported first
platformAuthProvider = await PlatformAuthDOMHandler.createProvider(logger, performanceClient, correlationId);
}
if (!platformAuthProvider) {
logger.trace("0l3na8", correlationId);
/*
* If DOM APIs are not available, check if browser extension is available.
* Platform authentication via DOM APIs is preferred over extension APIs.
*/
platformAuthProvider =
await PlatformAuthExtensionHandler.createProvider(logger, nativeBrokerHandshakeTimeout ||
DEFAULT_NATIVE_BROKER_HANDSHAKE_TIMEOUT_MS, performanceClient, correlationId);
}
}
catch (e) {
logger.trace("0icbd7", e);
}
return platformAuthProvider;
}
/**
* Returns true if the DOM API support for platform auth is enabled in session storage
* @returns boolean
* @deprecated
*/
function isDomEnabledForPlatformAuth() {
let sessionStorage;
try {
sessionStorage = window[BrowserCacheLocation.SessionStorage];
// Mute errors if it's a non-browser environment or cookies are blocked.
return sessionStorage?.getItem(PLATFORM_AUTH_DOM_SUPPORT) === "true";
}
catch (e) {
return false;
}
}
/**
* Returns boolean indicating whether or not the request should attempt to use native broker
* @param logger
* @param config
* @param correlationId
* @param platformAuthProvider
* @param authenticationScheme
*/
function isPlatformAuthAllowed(config, logger, correlationId, platformAuthProvider, authenticationScheme) {
logger.trace("0uko3r", correlationId);
if (!config.system.allowPlatformBroker) {
logger.trace("04hozs", correlationId);
// Developer disabled WAM
return false;
}
if (!platformAuthProvider) {
logger.trace("0kvv1r", correlationId);
// Platform broker auth providers are not available
return false;
}
if (authenticationScheme) {
switch (authenticationScheme) {
case Constants.AuthenticationScheme.BEARER:
case Constants.AuthenticationScheme.POP:
logger.trace("18tev1", correlationId);
return true;
default:
logger.trace("1dd2nh", correlationId);
return false;
}
}
return true;
}
export { getPlatformAuthProvider, isDomEnabledForPlatformAuth, isPlatformAuthAllowed, isPlatformBrokerAvailable };
//# sourceMappingURL=PlatformAuthProvider.mjs.map