1 Answer. messenger.com makes an ajax request to facebook.com and gets the information if the user is logged in there or not. Once you are authenticated in messenger.com , you have a new session which is independent of the facebook.com session.
How does Facebook session work?
Sessions are managed using Session Cookie. Session cookie is one handle value that is stored with the browser and gives a website one unique ID for a particular session. You will see a popup box like this. It is very apparent that facebook’s session cookie is called presence .
Does Facebook use session based authentication?
Server-side proof of authentication
Our SDK completes Facebook Login and gets a long-lived access token on the client device only. … If your app does not access user data server-side, we recommend using a session info token to provide the proof of authentication.
What is an API session on Facebook?
What is a Facebook API? Facebook APIs are the primary way to connect with the massive Facebook platform programmatically. Third-party developers create cool Facebook apps, games, steam live programmatically, run automated marketing campaigns, manage their business pages all with the help of the Facebook APIs.
Cookies and Client ID
Google analytics identify unique users across GA sessions through client ID. The client ID is stored in the Google Analytics cookie. The GA cookie is set, when a person visits your website for the first time.
What is access token FB?
An access token is an opaque string that identifies a user, app, or Page and can be used by the app to make graph API calls. When someone connects with an app using Facebook Login and approves the request for permissions, the app obtains an access token that provides temporary, secure access to Facebook APIs.
Cookies are small pieces of text used to store information on web browsers. … Cookies enable Facebook to offer the Facebook Products to you and to understand the information that we receive about you, including information about your use of other websites and apps, whether or not you are registered or logged in.
How do I check if my Facebook access token is valid?
You can simply request https://graph.facebook.com/me?access_token=xxxxxxxxxxxxxxxxx if you get an error, the token is invalid. If you get a JSON object with an id property then it is valid. Unfortunately this will only tell you if your token is valid, not if it came from your app.
Where is active sessions in Facebook?
In the General Account Settings page, click on Security and Login in the left-side menu. Locate the Where You’re Logged In section in the upper middle of the page. You’ll see a list of all the sessions where you’re currently still logged in. Click on the three vertical dots at the right side of a session.
How can I know whether my Facebook account is active or not?
How to Know When a Facebook Account Is Active
- Navigate to the Facebook homepage. …
- Search for the name of the Facebook account owner you wish to check on. …
- Navigate through the Facebook account to look for recent changes that indicate activity.
What does session updated mean on Facebook?
The “Session Updated” bullets will tell you when an open session was accessed. The “Web Session Terminated” will tell you when a session was closed.