RocketChat/Rocket.Chat

import type { IWebdavAccount } from '@rocket.chat/core-typings';
import type { ServerMethods } from '@rocket.chat/ddp-client';
import { WebdavAccounts } from '@rocket.chat/models';
import { Meteor } from 'meteor/meteor';
import { createClient } from 'webdav';

import { settings } from '../../../settings/server';
import { getWebdavCredentials } from '../lib/getWebdavCredentials';

declare module '@rocket.chat/ddp-client' {
    // eslint-disable-next-line @typescript-eslint/naming-convention
    interface ServerMethods {
        getWebdavFilePreview(accountId: IWebdavAccount['_id'], path: string): { success: true; data: ArrayBuffer } | undefined;
    }
}

Meteor.methods<ServerMethods>({
    async getWebdavFilePreview(accountId, path) {
        const userId = Meteor.userId();

        if (!userId) {
            throw new Meteor.Error('error-invalid-user', 'Invalid User', {
                method: 'getWebdavFilePreview',
            });
        }

        if (!settings.get('Webdav_Integration_Enabled') || !settings.get('Accounts_OAuth_Nextcloud_URL')) {
            throw new Meteor.Error('error-not-allowed', 'WebDAV Integration Not Allowed', {
                method: 'getWebdavFilePreview',
            });
        }

        const account = await WebdavAccounts.findOneByIdAndUserId(accountId, userId, {});
        if (!account) {
            throw new Meteor.Error('error-invalid-account', 'Invalid WebDAV Account', {
                method: 'getWebdavFilePreview',
            });
        }

        try {
            const cred = getWebdavCredentials(account);
            const client = createClient(account.serverURL, cred);
            const serverURL = settings.get('Accounts_OAuth_Nextcloud_URL');
            const res = await client.customRequest(`${serverURL}/index.php/core/preview.png?file=${path}&x=64&y=64`, {
                method: 'GET',
                responseType: 'arraybuffer',
            });
            return { success: true, data: res.data as ArrayBuffer };
        } catch (error) {
            // ignore error
        }
    },
});