SSO Example fails with UnhandledPromiseRejection

Hello.

I used the following tutorial to create a Outlook-Addin with SSO and Microsoft Graph support enabled.

However, like it is also mentioned on the page, I configured the Addin using this tutorial, creating the entry in Azure AD and everything.

After doing all these steps and running npm, I get the following error message:

[0] [0] > office-addin-taskpane-sso@0.0.0 start:server C:\Desktop\Addin [0] > office-addin-sso start manifest.xml [0] [0] (node:10640) UnhandledPromiseRejectionWarning: false [0] (node:10640) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1) [0] (node:10640) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code. [0] npm run start:server exited with code 0

I have followed the tutorial exactly as described, but still the error remains. I am using:

• Windows 10 Build 18363
• Node v12.16.3
• Yeoman v3.1.1

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Document Details

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• ID: 3020ff5d-ee3b-976b-f1ad-0ed378fdb47b
• Version Independent ID: 5de0010a-6435-154b-a7fd-fd2ea05ebc0b
• Content: Use the Yeoman generator to create an Office Add-in that uses SSO (preview) - Office Add-ins
• Content Source: docs/quickstarts/sso-quickstart.md
• Product: non-product-specific
• Technology: add-ins
• GitHub Login: @o365devx
• Microsoft Alias: o365devx

[Haaxor1689]

For anyone that wants to use .env file to store the CLIENT_SECRET and doesn’t want to fork the package or run the whole configure-sso script, I made a short script that only does the secret adding into windows credentials part using the ps1 script from the library.

require('dotenv').config();
const { execSync } = require('child_process');
const { userInfo } = require('os');

const path = 'node_modules/office-addin-sso/lib/scripts/addAppSecret.ps1';
const appName = 'YOUR_APP_NAME';
const user = userInfo().username;
const secret = process.env.CLIENT_SECRET;

execSync(
  `powershell -ExecutionPolicy Bypass -File "${path}" "${appName}" "${user}" "${secret}"`,
  { stdio: 'pipe' }
);

Just drop this script into the root of your project and anyone that will clone the project fresh can simply run it with a command like this:

"secret:add": "node ./addAppSecret.js"

[andrewconnell]

@Chris2011 I created a Microsoft Learning module on this topic… I tried to be a bit more clean than the docs are on this credential store & how it works: https://docs.microsoft.com/en-us/learn/modules/office-add-ins-sso/7-exercise-outlook-sso

Jump down to the section Update project and developer workstation for the POSH (on Windows) or CLI (on macOS) options