/*! @azure/msal-browser v5.0.1 2026-01-16 */
'use strict';
import { UrlUtils, ProtocolUtils, UrlString } from '@azure/msal-common/browser';
export { invoke, invokeAsync } from '@azure/msal-common/browser';
import { createBrowserAuthError } from '../error/BrowserAuthError.mjs';
import { BrowserCacheLocation, InteractionType } from './BrowserConstants.mjs';
import { createNewGuid } from '../crypto/BrowserCrypto.mjs';
import { createBrowserConfigurationAuthError } from '../error/BrowserConfigurationAuthError.mjs';
import { nonBrowserEnvironment, redirectInIframe, blockIframeReload, blockNestedPopups, timedOut, redirectBridgeEmptyResponse, emptyResponse, noStateInHash, unableToParseState, uninitializedPublicClientApplication, interactionInProgressCancelled } from '../error/BrowserAuthErrorCodes.mjs';
import { base64Decode } from '../encode/Base64Decode.mjs';
import { inMemRedirectUnavailable } from '../error/BrowserConfigurationAuthErrorCodes.mjs';

/*
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * Extracts and parses the authentication response from URL (hash and/or query string).
 * This is a shared utility used across multiple components in msal-browser.
 *
 * @returns {Object} An object containing the parsed state information and URL parameters.
 * @returns {URLSearchParams} params - The parsed URL parameters from the payload.
 * @returns {string} payload - The combined query string and hash content.
 * @returns {string} urlHash - The original URL hash.
 * @returns {string} urlQuery - The original URL query string.
 * @returns {LibraryStateObject} libraryState - The decoded library state from the state parameter.
 *
 * @throws {AuthError} If no authentication payload is found in the URL.
 * @throws {AuthError} If the state parameter is missing.
 * @throws {AuthError} If the state is missing required 'id' or 'meta' attributes.
 */
function parseAuthResponseFromUrl() {
    // Extract both hash and query string to support hybrid response format
    const urlHash = window.location.hash;
    const urlQuery = window.location.search;
    // Determine which part contains the auth response by checking for 'state' parameter
    let hasResponseInHash = false;
    let hasResponseInQuery = false;
    let payload = "";
    let params = undefined;
    if (urlHash && urlHash.length > 1) {
        const hashContent = urlHash.charAt(0) === "#" ? urlHash.substring(1) : urlHash;
        const hashParams = new URLSearchParams(hashContent);
        if (hashParams.has("state")) {
            hasResponseInHash = true;
            payload = hashContent;
            params = hashParams;
        }
    }
    if (urlQuery && urlQuery.length > 1) {
        const queryContent = urlQuery.charAt(0) === "?" ? urlQuery.substring(1) : urlQuery;
        const queryParams = new URLSearchParams(queryContent);
        if (queryParams.has("state")) {
            hasResponseInQuery = true;
            payload = queryContent;
            params = queryParams;
        }
    }
    // If response is in both, combine them (hybrid format)
    if (hasResponseInHash && hasResponseInQuery) {
        const queryContent = urlQuery.charAt(0) === "?" ? urlQuery.substring(1) : urlQuery;
        const hashContent = urlHash.charAt(0) === "#" ? urlHash.substring(1) : urlHash;
        payload = `${queryContent}${hashContent}`;
        params = new URLSearchParams(payload);
    }
    if (!payload || !params) {
        throw createBrowserAuthError(emptyResponse);
    }
    const state = params.get("state");
    if (!state) {
        throw createBrowserAuthError(noStateInHash);
    }
    const { libraryState } = ProtocolUtils.parseRequestState(base64Decode, state);
    const { id, meta } = libraryState;
    if (!id || !meta) {
        throw createBrowserAuthError(unableToParseState, "missing_library_state");
    }
    return {
        params,
        payload,
        urlHash,
        urlQuery,
        hasResponseInHash,
        hasResponseInQuery,
        libraryState: {
            id,
            meta,
        },
    };
}
/**
 * Clears hash from window url.
 */
function clearHash(contentWindow) {
    // Office.js sets history.replaceState to null
    contentWindow.location.hash = "";
    if (typeof contentWindow.history.replaceState === "function") {
        // Full removes "#" from url
        contentWindow.history.replaceState(null, "", `${contentWindow.location.origin}${contentWindow.location.pathname}${contentWindow.location.search}`);
    }
}
/**
 * Replaces current hash with hash from provided url
 */
function replaceHash(url) {
    const urlParts = url.split("#");
    urlParts.shift(); // Remove part before the hash
    window.location.hash = urlParts.length > 0 ? urlParts.join("#") : "";
}
/**
 * Returns boolean of whether the current window is in an iframe or not.
 */
function isInIframe() {
    return window.parent !== window;
}
/**
 * Returns boolean of whether or not the current window is a popup opened by msal
 */
function isInPopup() {
    if (isInIframe()) {
        return false;
    }
    try {
        const { libraryState } = parseAuthResponseFromUrl();
        const { meta } = libraryState;
        return meta["interactionType"] === InteractionType.Popup;
    }
    catch (e) {
        // If parsing fails (no state, invalid URL, etc.), we're not in a popup
        return false;
    }
}
/**
 * Await a response from a redirect bridge using BroadcastChannel.
 * This unified function works for both popup and iframe scenarios by listening on a
 * BroadcastChannel for the server payload.
 *
 * @param timeoutMs - Timeout in milliseconds.
 * @param logger - Logger instance for logging monitoring events.
 * @param browserCrypto - Browser crypto instance for decoding state.
 * @param request - The authorization or end session request.
 * @returns Promise<string> - Resolves with the response string (query or hash) from the window.
 */
// Track the active bridge monitor to allow cancellation when overriding interactions
let activeBridgeMonitor = null;
/**
 * Cancels the pending bridge response monitor if one exists.
 * This is called when overrideInteractionInProgress is used to cancel
 * any pending popup interaction before starting a new one.
 */
function cancelPendingBridgeResponse(logger, correlationId) {
    if (activeBridgeMonitor) {
        logger.verbose("18y01k", correlationId);
        clearTimeout(activeBridgeMonitor.timeoutId);
        activeBridgeMonitor.channel.close();
        activeBridgeMonitor.reject(createBrowserAuthError(interactionInProgressCancelled));
        activeBridgeMonitor = null;
    }
}
async function waitForBridgeResponse(timeoutMs, logger, browserCrypto, request) {
    return new Promise((resolve, reject) => {
        logger.verbose("1rf6em", request.correlationId);
        const { libraryState } = ProtocolUtils.parseRequestState(browserCrypto.base64Decode, request.state || "");
        const channel = new BroadcastChannel(libraryState.id);
        let responseString = undefined;
        const timeoutId = window.setTimeout(() => {
            // Clear the active monitor
            activeBridgeMonitor = null;
            channel.close();
            reject(createBrowserAuthError(timedOut, "redirect_bridge_timeout"));
        }, timeoutMs);
        // Track this monitor so it can be cancelled if needed
        activeBridgeMonitor = {
            timeoutId,
            channel,
            reject,
        };
        channel.onmessage = (event) => {
            responseString = event.data.payload;
            // Clear the active monitor
            activeBridgeMonitor = null;
            clearTimeout(timeoutId);
            channel.close();
            if (responseString) {
                resolve(responseString);
            }
            else {
                reject(createBrowserAuthError(redirectBridgeEmptyResponse));
            }
        };
    });
}
// #endregion
/**
 * Returns current window URL as redirect uri
 */
function getCurrentUri() {
    return typeof window !== "undefined" && window.location
        ? window.location.href.split("?")[0].split("#")[0]
        : "";
}
/**
 * Gets the homepage url for the current window location.
 */
function getHomepage() {
    const currentUrl = new UrlString(window.location.href);
    const urlComponents = currentUrl.getUrlComponents();
    return `${urlComponents.Protocol}//${urlComponents.HostNameAndPort}/`;
}
/**
 * Throws error if we have completed an auth and are
 * attempting another auth request inside an iframe.
 */
function blockReloadInHiddenIframes() {
    const isResponseHash = UrlUtils.getDeserializedResponse(window.location.hash);
    // return an error if called from the hidden iframe created by the msal js silent calls
    if (isResponseHash && isInIframe()) {
        throw createBrowserAuthError(blockIframeReload);
    }
}
/**
 * Block redirect operations in iframes unless explicitly allowed
 * @param interactionType Interaction type for the request
 * @param allowRedirectInIframe Config value to allow redirects when app is inside an iframe
 */
function blockRedirectInIframe(allowRedirectInIframe) {
    if (isInIframe() && !allowRedirectInIframe) {
        // If we are not in top frame, we shouldn't redirect. This is also handled by the service.
        throw createBrowserAuthError(redirectInIframe);
    }
}
/**
 * Block redirectUri loaded in popup from calling AcquireToken APIs
 */
function blockAcquireTokenInPopups() {
    // Popups opened by msal popup APIs are given a name that starts with "msal."
    if (isInPopup()) {
        throw createBrowserAuthError(blockNestedPopups);
    }
}
/**
 * Throws error if token requests are made in non-browser environment
 * @param isBrowserEnvironment Flag indicating if environment is a browser.
 */
function blockNonBrowserEnvironment() {
    if (typeof window === "undefined") {
        throw createBrowserAuthError(nonBrowserEnvironment);
    }
}
/**
 * Throws error if initialize hasn't been called
 * @param initialized
 */
function blockAPICallsBeforeInitialize(initialized) {
    if (!initialized) {
        throw createBrowserAuthError(uninitializedPublicClientApplication);
    }
}
/**
 * Helper to validate app environment before making an auth request
 * @param initialized
 */
function preflightCheck(initialized) {
    // Block request if not in browser environment
    blockNonBrowserEnvironment();
    // Block auth requests inside a hidden iframe
    blockReloadInHiddenIframes();
    // Block redirectUri opened in a popup from calling MSAL APIs
    blockAcquireTokenInPopups();
    // Block token acquisition before initialize has been called
    blockAPICallsBeforeInitialize(initialized);
}
/**
 * Helper to validate app enviornment before making redirect request
 * @param initialized
 * @param config
 */
function redirectPreflightCheck(initialized, config) {
    preflightCheck(initialized);
    blockRedirectInIframe(config.system.allowRedirectInIframe);
    // Block redirects if memory storage is enabled
    if (config.cache.cacheLocation === BrowserCacheLocation.MemoryStorage) {
        throw createBrowserConfigurationAuthError(inMemRedirectUnavailable);
    }
}
/**
 * Adds a preconnect link element to the header which begins DNS resolution and SSL connection in anticipation of the /token request
 * @param loginDomain Authority domain, including https protocol e.g. https://login.microsoftonline.com
 * @returns
 */
function preconnect(authority) {
    const link = document.createElement("link");
    link.rel = "preconnect";
    link.href = new URL(authority).origin;
    link.crossOrigin = "anonymous";
    document.head.appendChild(link);
    // The browser will close connection if not used within a few seconds, remove element from the header after 10s
    window.setTimeout(() => {
        try {
            document.head.removeChild(link);
        }
        catch { }
    }, 10000); // 10s Timeout
}
/**
 * Wrapper function that creates a UUID v7 from the current timestamp.
 * @returns {string}
 */
function createGuid() {
    return createNewGuid();
}

export { blockAPICallsBeforeInitialize, blockAcquireTokenInPopups, blockNonBrowserEnvironment, blockRedirectInIframe, blockReloadInHiddenIframes, cancelPendingBridgeResponse, clearHash, createGuid, getCurrentUri, getHomepage, isInIframe, isInPopup, parseAuthResponseFromUrl, preconnect, preflightCheck, redirectPreflightCheck, replaceHash, waitForBridgeResponse };
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