Kevin Powell - Community•5mo ago

How use Google Calendar API to insert an event in end-user's calendar with Next.js

Hello, I'm trying to setup a call to Google Calendar API to insert an event in end-user with Next.js but I'm drowning in the documentation. I'm stuck on the authentication of the end-user. Here what I've done till now : - I created a OAuth 2.0 ID Client from Google Cloud Console - Imported the .json file in my Next.js application - I used NextAuth and googleapis (Node.js google library for authentification) - Used the googleapis to try to authenticate the end-user and get an access-token. Here the error message I got : "key must be a string, a buffer or an object" Here the code creating the error :

export async function authenticate() {
    const keyFilePath = path.join(process.cwd(), 'credentials.json');
    console.log(keyFilePath)
    const auth = new google.auth.GoogleAuth({
        keyFile: keyFilePath,
        scopes: ['https://www.googleapis.com/auth/calendar.events', 'https://www.googleapis.com/auth/calendar'],
    });
    return await auth.getClient();
}

export async function authenticate() {
    const keyFilePath = path.join(process.cwd(), 'credentials.json');
    console.log(keyFilePath)
    const auth = new google.auth.GoogleAuth({
        keyFile: keyFilePath,
        scopes: ['https://www.googleapis.com/auth/calendar.events', 'https://www.googleapis.com/auth/calendar'],
    });
    return await auth.getClient();
}

I don't understand because keyFilePath is a string.. I've tried to replace it with the content of the file directly, as an object, but then I got the error message : The "paths[0]" argument must be of type string. Received an instance of Object .. Does anyone has experience with Google APIs, OAuth 2.0 or Next.js ? Or can direct me towards great resources ? I'm a bit lost with all the google documentation. Thanks !

2 Replies

Jochem•5mo ago

I don't have any experience so I'm not sure I'll be able to help. Do you have links to the libraries you used though? Especially a link to the documentation of google.auth.GoogleAuth()

Ozzo•5mo ago

The library I used in my code snipped is googleapis from https://www.npmjs.com/package/googleapis

npm

googleapis

Google APIs Client Library for Node.js. Latest version: 130.0.0, last published: 4 days ago. Start using googleapis in your project by running npm i googleapis. There are 2651 other projects in the npm registry using googleapis.

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How use Google Calendar API to insert an event in end-user's calendar with Next.js