Logmein Client Archives

LogMeIn by LogMeIn, Inc. Get secure anytime, anywhere access to your computers from your Android device. Remotely access your PCs and Macs with LogMeIn for Android. Works with an account subscription of LogMeIn Pro on your computer, which also includes access from your desktop and web browser, so everything you need is always at your fingertips. Nov 18, 2021 Logmein123 Mac Archives Download; Logmein Client App; Using LogMeIn Rescue on MacOS Mojave and Catalina. LogMeIn Rescue is an app that allows our technical support team to share screens and assist remotely by controlling the mouse and keyboard input. First, you will receive a link or a code to manually type into or https://secure.logmeinrescue.com.

This project provides a sample Node.js web application that illustrates how to integrate LogmeIn multi-factor authentication on your website.

Running this code

Before you start checking out any code, you can also try a live version of this project here.

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In order to run this make sure you have node as well as npm and bower installed and execute:

Before starting running the application, make sure you modify the application's client_id in the index.html file. You may use one you already have, or obtain a new one from our website.

Once you've done that you may execute:

The web application will start listening at localhost:8000.

Note that your application does not need to be visible to the outside world, so no further setup is needed.

How does all this work?

Easy.

The LogmeIn multi-factor authentication for client-side applications uses the OAuth2 implicit grant model from RFC 6749.

One important characteristic of these applications is that the cannot keep a secret, which means that the client secret cannot be used to stablish the authentication.

In order to cirnunvent this issue, the implicit grant model involves that the client should provide a callback endpoint on their web infrastructure.

Here's an illustration of how the whole authorization processworks using the implicit grant model:

From the web application's perspective this means that:

  • Your login page, or whatever other sign in means you may want to provide for your users needs to start the authentication.
  • Your web server should expose two endpoints:
    • A callback that will be invoked by the LogmeIn authentication server, passing the access_token and executed on the user agent (browser).
    • Some means for the callback to contact back your server and send the access_token.
Windows

An access_token is a unique id issued by the authorization server that provides you access to the user's data and it should be always kept secret.

  • Your web server should perform all this communication through https.

You may choose to use the LogmeIn RESTful API, but in order to make it easier this sample makes use of two components that you may include in your projects:

Logmein Client Archives
  • logmein-webclient: A JavaScript library that enables your client-side code to interface the authentication server.

  • logmein-webclient-be: A Node.js module that enables your web application to validate the access_token and retrieve resources from the .

NOTE: You will find some shared functionality between these components but the authentication request can only be triggered by the client.

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Implementation details

The web application entry point is index.html. The important bits here are:

  • Import logmein-webclient:
'>
  • Implement a JavaScript function to trigger the authentication request:
  • Here the client_id should be a valid one.

  • The redirect_uri points to the callback on the server which will be explained later.*scope defines what data from the user your application is requesting. In this case, the access will be granted to the profile realm which provides access to the user identification data.*state is used in this sample to let the callback know where to point the browser if the user grants access. In this case this points to the welcome endpoint but it's up to your implementation how to use it.

  • In this sample, the authentication request is triggered by a HTML button component onclick event:

... Use LogmeIn to sign in'>

When the button gets clicked the browser will be redirected to the authentication server so that the user can perform the authentication.

The result of the user authentication will be sent back to the web app by invoking the callback provided in the redirect_uri, which is /callback in this case, passing the data in the URI fragment data.

The callback is expected to parse the fragment, in which the access_token is provided and push it back to your server so that it can be kept as part of the user session.

In this case, the callback is implemented as a simple JavaScript (static/callback.html)script that sends the parsed fragment to the token validation endpoint on the web app server and waits for a response, which in this case is located at /catchtoken.

The token validation endpoint MUST validate the provided access_token, failure to do so makes your application vulnerable to the confused deputy problem.

In this sample, the validation is performed as follows:

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  • Import the logmein-webclient-be module and instantiate the client:

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  • Implement the token validation endpoint:

The token validation returns empty responses containing just the response codes to the callback script but your implementation may differ.

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Once the token has been validated, and a response gets to the callback script, if the login has been successful, it will redirect the browser to the endpoint provided in the state field, which was welcome in this case.

Logmein Client Mac

The welcome enpoint serves a page template that is filled in using the user email provided by the authorization server:

One of Synergy’s standard support services is that of remote support, which allows our expert engineers to take control of a client’s computer. Regardless of the time of day, or the location of an engineer, updates, repairs and maintenance on control systems can be performed. While there are certain things that cannot be addressed remotely, a large number can. Remote access saves clients time and money when engineers don’t need to travel in order to immediately address site issues.

Synergy has been using a service called LogMeIn for remote access at various client sites. LogMeIn is a web-based application, meaning our engineers can use any computer with internet access to control a computer at a client site.

Recently, we looked into a complimentary service from eWON. Their units provide VPN remote access for PLC systems without the need to install much hardware on a client site. So long as the engineer has a computer with eWON software installed at their location, they can access the PLC system remotely.

The benefits of LogMeIn and eWON are undeniable. We call them complimentary because, where one may have a slight limitation, the other fills the need and vice versa. With LogMeIn, an engineer can access a PLC from any computer with internet access. However, in order to do their job, a PC with the correct software must be installed at a client site. In the case of eWON, only a computer with the right software installed can be used to remotely access a client’s system. There is no need for there to be a PC on site because eWON allows an engineer to take direct control through software installed on their own computer. The engineer is not controlling a computer, which controls the PLC. eWON technology installed on their device is the computer and directly links engineers to the PLC system.

The correct system for a client to use is up to client goals. There are clear benefits to having remote access abilities using any PC in the world. There are also benefits associated with being free of the need to have a full computer system installed at a client site. With both LogMeIn and eWON options, clients have more opportunity to customize how their systems are be managed remotely by Synergy’s expert engineers.