Commit iniziale

node_modules/@azure/msal-common/dist/account/AuthToken.mjs

@@ -0,0 +1,66 @@
+/*! @azure/msal-common v15.1.1 2025-02-05 */
+'use strict';
+import { createClientAuthError } from '../error/ClientAuthError.mjs';
+import { tokenParsingError, nullOrEmptyToken, maxAgeTranspired } from '../error/ClientAuthErrorCodes.mjs';
+
+/*
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License.
+ */
+/**
+ * Extract token by decoding the rawToken
+ *
+ * @param encodedToken
+ */
+function extractTokenClaims(encodedToken, base64Decode) {
+    const jswPayload = getJWSPayload(encodedToken);
+    // token will be decoded to get the username
+    try {
+        // base64Decode() should throw an error if there is an issue
+        const base64Decoded = base64Decode(jswPayload);
+        return JSON.parse(base64Decoded);
+    }
+    catch (err) {
+        throw createClientAuthError(tokenParsingError);
+    }
+}
+/**
+ * decode a JWT
+ *
+ * @param authToken
+ */
+function getJWSPayload(authToken) {
+    if (!authToken) {
+        throw createClientAuthError(nullOrEmptyToken);
+    }
+    const tokenPartsRegex = /^([^\.\s]*)\.([^\.\s]+)\.([^\.\s]*)$/;
+    const matches = tokenPartsRegex.exec(authToken);
+    if (!matches || matches.length < 4) {
+        throw createClientAuthError(tokenParsingError);
+    }
+    /**
+     * const crackedToken = {
+     *  header: matches[1],
+     *  JWSPayload: matches[2],
+     *  JWSSig: matches[3],
+     * };
+     */
+    return matches[2];
+}
+/**
+ * Determine if the token's max_age has transpired
+ */
+function checkMaxAge(authTime, maxAge) {
+    /*
+     * per https://openid.net/specs/openid-connect-core-1_0.html#AuthRequest
+     * To force an immediate re-authentication: If an app requires that a user re-authenticate prior to access,
+     * provide a value of 0 for the max_age parameter and the AS will force a fresh login.
+     */
+    const fiveMinuteSkew = 300000; // five minutes in milliseconds
+    if (maxAge === 0 || Date.now() - fiveMinuteSkew > authTime + maxAge) {
+        throw createClientAuthError(maxAgeTranspired);
+    }
+}
+
+export { checkMaxAge, extractTokenClaims, getJWSPayload };
+//# sourceMappingURL=AuthToken.mjs.map