how do sessions and cookies come in play on social media platforms ? provide steps for...

how do sessions and cookies come in play on social media platforms ?

provide steps for the process of loggin in , and checking your newsfeed , explain how sessions and cookies are involved

Solutions

Expert Solution

On successful login on any social media platforms, the unique member id from the member database is stored in a session. Then, the cookies are set to keep the login name and the password for a specified expiration period. Instead of storing the users' plain password, random password and token are generated and stored in the cookie to avoid hacking.

Let's understand the steps for the process of loggin in with the help of a PHP user authorization.

User submits login form. Form sends login and password to PHP.
PHP validates login data, generates random string (session id), saves it to closed server storage in pair with user login, and sends session id to browser in response as cookie. Browser stores cookie.
User visits any page on this domain and browser sends a cookie to server for each request.
PHP checks if cookie has been sent, if such cookie exists in server storage with pair with login. Identifies user, provides access to his private content.
Logout button removes the cookie from browser and sid-login pair from server storage. Browser does not send cookies, server does not see it and does not see sid-login pair.

Thanks

venereology answered 1 year ago

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