gmail-getter/dist/api/get-access-token.js

A simple tool that gets emails from the Gmail API

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getAccessToken = void 0;
const axios_1 = __importDefault(require("axios"));
/**
 * Get Access token from Google API
 * @param {string} clientId OAuth Client ID
 * @param {string} clientSecret OAuth Client Secret
 * @param {string} refreshToken OAuth Refresh token
 * @returns {Promise<string>} Access token
 * @example const accessToken = await getAccessToken('123456-...', 'ABCD-...', '1//ABCD123...')
 */
const getAccessToken = async (clientId, clientSecret, refreshToken) => {
    if (!clientId) {
        throw new Error('Failed to get Google access token - client id is null or undefined.');
    }
    if (!clientSecret) {
        throw new Error('Failed to get Google access token - client secret is null or undefined.');
    }
    if (!refreshToken) {
        throw new Error('Failed to get Google access token - refresh token is null or undefined.');
    }
    const params = new URLSearchParams();
    params.append('client_id', clientId);
    params.append('client_secret', clientSecret);
    params.append('refresh_token', refreshToken);
    params.append('grant_type', 'refresh_token');
    const config = {
        method: 'post',
        url: 'https://accounts.google.com/o/oauth2/token',
        timeout: 15000,
        headers: { 'content-type': 'application/x-www-form-urlencoded' },
        data: params,
        validateStatus: () => true,
    };
    let response;
    try {
        response = await axios_1.default.request(config);
    }
    catch (e) {
        throw new Error(`Failed to get Google access token - API request to Google has failed.
        \n${JSON.stringify(e, null, 2)}`);
    }
    const { data: body } = response;
    if (!body) {
        throw new Error(`Failed to get Google access token - unable to parse response body.
        \n${JSON.stringify(response, null, 2)}`);
    }
    const { access_token: accessToken } = body;
    if (!accessToken) {
        throw new Error(`Failed to get Google access token - unable to parse access token from the response body.
        \n${JSON.stringify(body, null, 2)}`);
    }
    return accessToken;
};
exports.getAccessToken = getAccessToken;