Initial

node_modules/@azure/msal-browser/dist/interaction_handler/SilentHandler.mjs

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+/*! @azure/msal-browser v4.24.1 2025-09-30 */
+'use strict';
+import { PerformanceEvents, invoke, invokeAsync, ServerResponseType } from '@azure/msal-common/browser';
+import { createBrowserAuthError } from '../error/BrowserAuthError.mjs';
+import { DEFAULT_IFRAME_TIMEOUT_MS } from '../config/Configuration.mjs';
+import { getEARForm, getCodeForm } from '../protocol/Authorize.mjs';
+import { monitorWindowTimeout, 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, navigateFrameWait) {
+    performanceClient.addQueueMeasurement(PerformanceEvents.SilentHandlerInitiateAuthRequest, correlationId);
+    if (!requestUrl) {
+        // Throw error if request URL is empty.
+        logger.info("Navigate url is empty");
+        throw createBrowserAuthError(emptyNavigateUri);
+    }
+    if (navigateFrameWait) {
+        return invokeAsync(loadFrame, PerformanceEvents.SilentHandlerLoadFrame, logger, performanceClient, correlationId)(requestUrl, navigateFrameWait, performanceClient, correlationId);
+    }
+    return invoke(loadFrameSync, PerformanceEvents.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;
+}
+/**
+ * Monitors an iframe content window until it loads a url with a known hash, or hits a specified timeout.
+ * @param iframe
+ * @param timeout
+ */
+async function monitorIframeForHash(iframe, timeout, pollIntervalMilliseconds, performanceClient, logger, correlationId, responseType) {
+    performanceClient.addQueueMeasurement(PerformanceEvents.SilentHandlerMonitorIframeForHash, correlationId);
+    return new Promise((resolve, reject) => {
+        if (timeout < DEFAULT_IFRAME_TIMEOUT_MS) {
+            logger.warning(`system.loadFrameTimeout or system.iframeHashTimeout set to lower (${timeout}ms) than the default (${DEFAULT_IFRAME_TIMEOUT_MS}ms). This may result in timeouts.`);
+        }
+        /*
+         * Polling for iframes can be purely timing based,
+         * since we don't need to account for interaction.
+         */
+        const timeoutId = window.setTimeout(() => {
+            window.clearInterval(intervalId);
+            reject(createBrowserAuthError(monitorWindowTimeout));
+        }, timeout);
+        const intervalId = window.setInterval(() => {
+            let href = "";
+            const contentWindow = iframe.contentWindow;
+            try {
+                /*
+                 * Will throw if cross origin,
+                 * which should be caught and ignored
+                 * since we need the interval to keep running while on STS UI.
+                 */
+                href = contentWindow ? contentWindow.location.href : "";
+            }
+            catch (e) { }
+            if (!href || href === "about:blank") {
+                return;
+            }
+            let responseString = "";
+            if (contentWindow) {
+                if (responseType === ServerResponseType.QUERY) {
+                    responseString = contentWindow.location.search;
+                }
+                else {
+                    responseString = contentWindow.location.hash;
+                }
+            }
+            window.clearTimeout(timeoutId);
+            window.clearInterval(intervalId);
+            resolve(responseString);
+        }, pollIntervalMilliseconds);
+    }).finally(() => {
+        invoke(removeHiddenIframe, PerformanceEvents.RemoveHiddenIframe, logger, performanceClient, correlationId)(iframe);
+    });
+}
+/**
+ * @hidden
+ * Loads iframe with authorization endpoint URL
+ * @ignore
+ * @deprecated
+ */
+function loadFrame(urlNavigate, navigateFrameWait, performanceClient, correlationId) {
+    performanceClient.addQueueMeasurement(PerformanceEvents.SilentHandlerLoadFrame, correlationId);
+    /*
+     * This trick overcomes iframe navigation in IE
+     * IE does not load the page consistently in iframe
+     */
+    return new Promise((resolve, reject) => {
+        const frameHandle = createHiddenIframe();
+        window.setTimeout(() => {
+            if (!frameHandle) {
+                reject("Unable to load iframe");
+                return;
+            }
+            frameHandle.src = urlNavigate;
+            resolve(frameHandle);
+        }, navigateFrameWait);
+    });
+}
+/**
+ * @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");
+    document.body.appendChild(authFrame);
+    return authFrame;
+}
+/**
+ * @hidden
+ * Removes a hidden iframe from the page.
+ * @ignore
+ */
+function removeHiddenIframe(iframe) {
+    if (document.body === iframe.parentNode) {
+        document.body.removeChild(iframe);
+    }
+}
+
+export { initiateCodeFlowWithPost, initiateCodeRequest, initiateEarRequest, monitorIframeForHash };
+//# sourceMappingURL=SilentHandler.mjs.map