Authentication in Rails: Sessions and Cookies
Cookies store information in HTTP headers and are then stored as plain text in a user’s browser. These cookies can be easily manipulated and set by users, causing major security concerns due to potential data breaches. To keep a potential cookie monster from doing this, the session method is used instead as it behaves like a hash, hiding data in serialized key/value pairs which are configured in:
This data is then stored away as a massive string housed in a single massive cookie called:
To prevent tampering with those cookies, Rails creates a signature through the sign method, which takes in a message and a key and then returns a signature in string form as displayed below:
An example of how to implement sessions and cookies in a Rails project in the context of a shopping cart application:
This declares the cart controller method as a helper, making the cart controller method available to the view.
Describe a cookie. Explain the data flow problem cookies solve. Find all the cookies on a page. Explain what a session…learn.co