/*! @azure/msal-browser v5.8.0 2026-04-21 */
'use strict';
import { invoke } from '@azure/msal-common/browser';
import { SilentHandlerLoadFrameSync } from '../telemetry/BrowserPerformanceEvents.mjs';
import { createBrowserAuthError } from '../error/BrowserAuthError.mjs';
import { getEARForm, getCodeForm } from '../protocol/Authorize.mjs';
import { emptyNavigateUri } from '../error/BrowserAuthErrorCodes.mjs';

/*
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * Creates a hidden iframe to given URL using user-requested scopes as an id.
 * @param urlNavigate
 * @param userRequestScopes
 */
async function initiateCodeRequest(requestUrl, performanceClient, logger, correlationId) {
    if (!requestUrl) {
        // Throw error if request URL is empty.
        logger.info("1l7hyp", correlationId);
        throw createBrowserAuthError(emptyNavigateUri);
    }
    return invoke(loadFrameSync, SilentHandlerLoadFrameSync, logger, performanceClient, correlationId)(requestUrl);
}
async function initiateCodeFlowWithPost(config, authority, request, logger, performanceClient) {
    const frame = createHiddenIframe();
    if (!frame.contentDocument) {
        throw "No document associated with iframe!";
    }
    const form = await getCodeForm(frame.contentDocument, config, authority, request, logger, performanceClient);
    form.submit();
    return frame;
}
async function initiateEarRequest(config, authority, request, logger, performanceClient) {
    const frame = createHiddenIframe();
    if (!frame.contentDocument) {
        throw "No document associated with iframe!";
    }
    const form = await getEARForm(frame.contentDocument, config, authority, request, logger, performanceClient);
    form.submit();
    return frame;
}
/**
 * @hidden
 * Loads the iframe synchronously when the navigateTimeFrame is set to `0`
 * @param urlNavigate
 * @param frameName
 * @param logger
 */
function loadFrameSync(urlNavigate) {
    const frameHandle = createHiddenIframe();
    frameHandle.src = urlNavigate;
    return frameHandle;
}
/**
 * @hidden
 * Creates a new hidden iframe or gets an existing one for silent token renewal.
 * @ignore
 */
function createHiddenIframe() {
    const authFrame = document.createElement("iframe");
    authFrame.className = "msalSilentIframe";
    authFrame.style.visibility = "hidden";
    authFrame.style.position = "absolute";
    authFrame.style.width = authFrame.style.height = "0";
    authFrame.style.border = "0";
    authFrame.setAttribute("sandbox", "allow-scripts allow-same-origin allow-forms");
    authFrame.setAttribute("allow", "local-network-access *");
    document.body.appendChild(authFrame);
    return authFrame;
}
/**
 * @hidden
 * Removes a hidden iframe from `document.body` if it is a direct child.
 * @param iframe - The iframe element to remove.
 */
function removeHiddenIframe(iframe) {
    if (document.body === iframe.parentNode) {
        document.body.removeChild(iframe);
    }
}

export { initiateCodeFlowWithPost, initiateCodeRequest, initiateEarRequest, removeHiddenIframe };
//# sourceMappingURL=SilentHandler.mjs.map
