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Working with Cookies

4:24 with Alena Holligan

Now that we have the JWT ready, we will use the HTTP Foundations package to set and retrieve cookies.

NOTE: Because we set our extra parameter to accept an array, make sure you pass the cookie as an array.

Tips for Reading and Writing Cookies

To test reading a cookie after login: on index.php

if (request()->cookies->has('access_token')) {
    echo "logged in";
} else {
    echo "not logged in";
}

If the cookie isn't working properly, one of the most common reasons is that the COOKIE_DOMAIN in the .env file is not set properly.

When using workspaces it should be YOUR workspace url, which would look something like 

COOKIE_DOMAIN=port-80-m1m8flu0vu.treehouse-app.com

When working locally, it should be

COOKIE_DOMAIN=localhost

Cookies can be a bit tricky to work with when using 0:00
only the built in PHP functions. 0:02
Part of the reason we're using the symphony package for 0:05
getting the request is the ease of setting the cookie on the request object. 0:07
To create our cookie, 0:13
we used a cookie class from the symphony package we pulled in. 0:14
There are a few parts to the cookie. 0:35
First the name of the cookie. 0:37
For which we'll use access token. 0:39
Next, the jwt. 0:44
Followed by the expiration time. 0:50
The path and the domain. 0:56
The last part is important as this is what tells the cookie where it lives. 1:09
Without it, it will live in this session and 1:14
may not always be available when you're looking for it. 1:17
Once we have our access token, we want to redirect the user back with a cookie. 1:20
We're going to modify our redirect function a little bit to allow for 1:26
a cookie to be passed in. 1:29
Open the functions file. 1:31
Find the redirect function. 1:34
We're going to add a new property that defaults to an empty array. 1:41
This is so that we can expand in the future without too much work. 1:48
After we set a variable for the response, and 1:53
before we send it, we need to check for cookies inside of the extras array. 1:56
If key exists. 2:00
Cookies in extra. 2:05
If it does, then we'll loop over each of the cookies so that we can set multiple 2:14
cookies on the response headers using the SET cookie function. 2:18
Foreach extra 2:22
cookies as cookie. 2:26
Response-> headers-> 2:36
setCookie and pass the cookie. 2:41
Now let's add the redirect with a cookie. 2:49
Redirect to the home page and pass in the cookie. 2:58
Let's modify our home page to read the cookie just so 3:15
that we know that we're logged in. 3:18
We need to require our bootstrap file first. 3:25
And then if 3:37
(request()->cookies->has('access_token'). 3:39
Then we're just going to echo logged in. 3:53
Let's take a look at what we have built so far, and log in to our system. 3:59
Great, now that you know how to redirect a user with cookies set, give it a try and 4:13
see if you can set the registration to automatically 4:18
log a user in when they sign up. 4:21

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