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[Nodejs SSO] remove home account caching #793

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[Nodejs SSO] remove home account caching #793

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156 changes: 69 additions & 87 deletions ...ffice-Add-in-NodeJS-SSO/Complete/public/javascripts/fallback-msal/fallbackAuthTaskpane.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,102 +5,84 @@

const myMSALObj = new msal.PublicClientApplication(msalConfig);

let homeAccountId = null; // The home account ID of the user that signs in.

/**
* Gets an access token to the REST API server by using MSAL (Microsoft Authentication Library for the browser.)
* @returns A promise which if successful, returns the access token.
*/
async function getAccessTokenMSAL() {
// Attempt to acquire token silently if user is already signed in.
if (homeAccountId !== null) {
const result = await myMSALObj.acquireTokenSilent(loginRequest);
if (result !== null && result.accessToken !== null) {
return result.accessToken;
} else return null;
} else {
// Create a promise to wrap the dialog callback we need to process later in this function.
let promise = await new Promise((resolve, reject) => {
const url = '/dialog.html';
var fullUrl =
location.protocol +
'//' +
location.hostname +
(location.port ? ':' + location.port : '') +
url;
// Create a promise to wrap the dialog callback we need to process later in this function.
let promise = await new Promise((resolve, reject) => {
const url = '/dialog.html';
var fullUrl =
location.protocol +
'//' +
location.hostname +
(location.port ? ':' + location.port : '') +
url;

// height and width are percentages of the size of the parent Office application, e.g., Outlook, PowerPoint, Excel, Word, etc.
Office.context.ui.displayDialogAsync(
fullUrl,
{ height: 60, width: 30 },
function (result) {
if (result.status === Office.AsyncResultStatus.Failed) {
console.log(
(result.error.code = ': ' + result.error.message)
);
reject(result.error.message);
} else {
console.log('Dialog has initialized. Wiring up events');
let loginDialog = result.value;
// height and width are percentages of the size of the parent Office application, e.g., Outlook, PowerPoint, Excel, Word, etc.
Office.context.ui.displayDialogAsync(
fullUrl,
{ height: 60, width: 30 },
function (result) {
if (result.status === Office.AsyncResultStatus.Failed) {
console.log(
(result.error.code = ': ' + result.error.message)
);
reject(result.error.message);
} else {
console.log('Dialog has initialized. Wiring up events');
let loginDialog = result.value;

// Handler for the dialog box closing unexpectedly.
loginDialog.addEventHandler(
Office.EventType.DialogEventReceived,
(arg) => {
console.log(
'DialogEventReceived: ' + arg.error
);
loginDialog.close();
// For more dialog codes, see https://learn.microsoft.com/office/dev/add-ins/develop/dialog-handle-errors-events#errors-and-events-in-the-dialog-box
switch (arg.error) {
case 12002:
reject('The auth dialog box has been directed to a page that it cannot find or load, or the URL syntax is invalid.');
break;
case 12003:
reject('The auth dialog box has been directed to a URL with the HTTP protocol. HTTPS is required.');
break;
case 12006:
reject('The auth dialog box was closed before the user signed in.');
break;
default:
reject('Unknown error in auth dialog box.');
break;
}
// Handler for the dialog box closing unexpectedly.
loginDialog.addEventHandler(
Office.EventType.DialogEventReceived,
(arg) => {
console.log(
'DialogEventReceived: ' + arg.error
);
loginDialog.close();
// For more dialog codes, see https://learn.microsoft.com/office/dev/add-ins/develop/dialog-handle-errors-events#errors-and-events-in-the-dialog-box
switch (arg.error) {
case 12002:
reject('The auth dialog box has been directed to a page that it cannot find or load, or the URL syntax is invalid.');
break;
case 12003:
reject('The auth dialog box has been directed to a URL with the HTTP protocol. HTTPS is required.');
break;
case 12006:
reject('The auth dialog box was closed before the user signed in.');
break;
default:
reject('Unknown error in auth dialog box.');
break;
}
);
loginDialog.addEventHandler(
Office.EventType.DialogMessageReceived,
function processMessage2(arg) {
console.log(
'Message received in processMessage'
);
let messageFromDialog = JSON.parse(arg.message);

if (messageFromDialog.status === 'success') {
// We now have a valid access token.
loginDialog.close();
homeAccountId = messageFromDialog.accountId;
}
);
loginDialog.addEventHandler(
Office.EventType.DialogMessageReceived,
function processMessage2(arg) {
console.log(
'Message received in processMessage'
);
let messageFromDialog = JSON.parse(arg.message);

// Set the active account so future token requests can be silent.
myMSALObj.setActiveAccount(
myMSALObj.getAccountByHomeId(
homeAccountId
)
);
if (messageFromDialog.status === 'success') {
// We now have a valid access token.
loginDialog.close();

// Return the token.
resolve(messageFromDialog.result);
} else {
// Something went wrong with authentication or the authorization of the web application.
loginDialog.close();
reject(messageFromDialog.error);
}
// Return the token.
resolve(messageFromDialog.result);
} else {
// Something went wrong with authentication or the authorization of the web application.
loginDialog.close();
reject(messageFromDialog.error);
}
);
}
}
);
}
);
});
return promise;
}
}
}
);
});
return promise;
}