/*! @azure/msal-common v16.5.0 2026-04-16 */
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'use strict';
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import { createClientAuthError } from '../error/ClientAuthError.mjs';
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import { StringUtils } from './StringUtils.mjs';
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import { hashNotDeserialized } from '../error/ClientAuthErrorCodes.mjs';
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/*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License.
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*/
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/**
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* Canonicalizes a URL by making it lowercase and ensuring it ends with /
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* Inlined version of UrlString.canonicalizeUri to avoid circular dependency
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* @param url - URL to canonicalize
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* @returns Canonicalized URL
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*/
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function canonicalizeUrl(url) {
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if (!url) {
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return url;
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}
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let lowerCaseUrl = url.toLowerCase();
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if (StringUtils.endsWith(lowerCaseUrl, "?")) {
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lowerCaseUrl = lowerCaseUrl.slice(0, -1);
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}
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else if (StringUtils.endsWith(lowerCaseUrl, "?/")) {
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lowerCaseUrl = lowerCaseUrl.slice(0, -2);
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}
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if (!StringUtils.endsWith(lowerCaseUrl, "/")) {
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lowerCaseUrl += "/";
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}
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return lowerCaseUrl;
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}
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/**
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* Parses hash string from given string. Returns empty string if no hash symbol is found.
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* @param hashString
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*/
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function stripLeadingHashOrQuery(responseString) {
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if (responseString.startsWith("#/")) {
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return responseString.substring(2);
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}
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else if (responseString.startsWith("#") ||
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responseString.startsWith("?")) {
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return responseString.substring(1);
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}
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return responseString;
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}
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/**
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* Returns URL hash as server auth code response object.
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*/
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function getDeserializedResponse(responseString) {
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// Check if given hash is empty
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if (!responseString || responseString.indexOf("=") < 0) {
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return null;
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}
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try {
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// Strip the # or ? symbol if present
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const normalizedResponse = stripLeadingHashOrQuery(responseString);
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// If # symbol was not present, above will return empty string, so give original hash value
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const deserializedHash = Object.fromEntries(new URLSearchParams(normalizedResponse));
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// Check for known response properties
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if (deserializedHash.code ||
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deserializedHash.ear_jwe ||
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deserializedHash.error ||
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deserializedHash.error_description ||
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deserializedHash.state) {
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return deserializedHash;
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}
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}
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catch (e) {
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throw createClientAuthError(hashNotDeserialized);
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}
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return null;
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}
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/**
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* Utility to create a URL from the params map
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*/
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function mapToQueryString(parameters) {
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const queryParameterArray = new Array();
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parameters.forEach((value, key) => {
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queryParameterArray.push(`${key}=${encodeURIComponent(value)}`);
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});
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return queryParameterArray.join("&");
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}
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/**
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* Normalizes URLs for comparison by removing hash, canonicalizing,
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* and ensuring consistent URL encoding in query parameters.
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* This fixes redirect loops when URLs contain encoded characters like apostrophes (%27).
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* @param url - URL to normalize
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* @returns Normalized URL string for comparison
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*/
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function normalizeUrlForComparison(url) {
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if (!url) {
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return url;
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}
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// Remove hash first
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const urlWithoutHash = url.split("#")[0];
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try {
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// Parse the URL to handle encoding consistently
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const urlObj = new URL(urlWithoutHash);
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/*
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* Reconstruct the URL with properly decoded query parameters
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* This ensures that %27 and ' are treated as equivalent
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*/
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const normalizedUrl = urlObj.origin + urlObj.pathname + urlObj.search;
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// Apply canonicalization logic inline to avoid circular dependency
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return canonicalizeUrl(normalizedUrl);
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}
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catch (e) {
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// Fallback to original logic if URL parsing fails
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return canonicalizeUrl(urlWithoutHash);
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}
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}
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export { getDeserializedResponse, mapToQueryString, normalizeUrlForComparison, stripLeadingHashOrQuery };
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//# sourceMappingURL=UrlUtils.mjs.map
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