RocketChat/Rocket.Chat

import type { OauthConfig } from '@rocket.chat/core-typings';
import { Meteor } from 'meteor/meteor';
import _ from 'underscore';

import { CustomOAuth } from '../../custom-oauth/server/custom_oauth_server';
import { settings } from '../../settings/server';

const config: OauthConfig = {
    serverURL: 'https://gitlab.com',
    identityPath: '/api/v4/user',
    scope: 'read_user',
    mergeUsers: false,
    addAutopublishFields: {
        forLoggedInUser: ['services.gitlab'],
        forOtherUsers: ['services.gitlab.username'],
    },
    accessTokenParam: 'access_token',
};

const Gitlab = new CustomOAuth('gitlab', config);

Meteor.startup(() => {
    const updateConfig = _.debounce(() => {
        config.serverURL = settings.get<string>('API_Gitlab_URL').trim().replace(/\/*$/, '') || config.serverURL;
        config.identityPath = settings.get('Accounts_OAuth_Gitlab_identity_path') || config.identityPath;
        config.mergeUsers = Boolean(settings.get<boolean>('Accounts_OAuth_Gitlab_merge_users'));
        Gitlab.configure(config);
    }, 300);

    settings.watchMultiple(['API_Gitlab_URL', 'Accounts_OAuth_Gitlab_identity_path', 'Accounts_OAuth_Gitlab_merge_users'], updateConfig);
});