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Beautiful, and once we have the send verification email functionality in place.

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Now let me cover some gotchas that you need to be aware of.

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And first, let me just start by showing you at least how in react I set up the functionality again.

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If you're using different front end, it is going to change.

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But in my case, I did set up following page.

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So I'm using React.

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I have multiple pages, I'm using React router and this is the page, so I user and then verify email.

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That's why initially I got four or four pictures and here I messed it up.

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I said the origin, which was localhost three thousand new user and I went with token.

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And of course, that didn't match.

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So it went to an error, and I believe I called it verify.

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So let me just navigate here.

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And then what you'll notice that the moment page loads.

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If I'm not loading, I go with a verified token.

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So that's the function that I'm invoking, and the inside of that function actually make a post request

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where.

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Well, we're just set up that route.

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Correct.

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Right before we set up the email functionality, what was the route verify email?

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And here I get a token, an email from query string parameters.

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So and here we set up a link with a query string parameters.

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So now back on my frontend, I grab those things.

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And then I set up a poster quest where app verification token as well as the email, just like we did

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in the Postman.

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Hopefully that is clear.

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And then if everything is correct, then we showcase account, confirm and we can go to a login.

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And if there is an error, which is going to be the case, if one of them is missing or that is already

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a second attempt where the verification token does not match cheering what we're getting back, then

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we will display that error.

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So that is as far as the front end is concerned.

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Now let's navigate back to the back end and let's discuss this origin because I think it's a very,

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very important topic.

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So in here, like I said, I went with local horse three thousand and probably your question is, well,

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OK, what about production?

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Well, it's as simple as that.

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So I go here once I push this up to production and I believe the name here was React Note and blah blah

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blah.

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Grab the URL, copy and paste and that's it.

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And you set up a origin.

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So I'm I guess I'm going to go with new origin.

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Just please keep in mind that, of course, I do need to use the same variable again.

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I removed the four slash and I'm good to go.

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That's exactly what I did.

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Now I do want to showcase Rob.

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Since we have that request object, we can get quite a few goodies in there that can come in really

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handy when you need to start constructing it.

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Now, what am I talking about?

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Well, first, let's just go with log and then I'll also do some console logging eventually here, just

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so you can clearly see what's happening.

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So for now, I'm just going to console log of the request, and in this case, I will make that request

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from the front and simply because when it comes to postman.

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Some things that are going to be missing.

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So therefore, let me go back to my three thousand and here eventually we'll be able to log out.

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But things will change the functionality there for the time being, it's not going to work.

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So what I want you to do is simply go to the application here where we have the cookies and just remove

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them.

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So just remove all of them fresh and basically you'll be able to start from scratch again.

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Yes, eventually we'll fix the functionality, but you have to wait.

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So let's go back to register on.

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I'm going to go with Susan, Susan and gmail.com, and then let's come up with some kind of password.

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And the only thing that I'm really looking for is the request object in a console.

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So you successfully were sent an email on that.

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What I'm looking for is this.

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And what I'm trying to show you is not the body, yes, we already know how to access that, but in

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here you get bunch and bunch of useful info.

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Effectively, you can use a bunch of things from here to construct that origin.

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Now you do need to keep some things in mind where your front end is behind proxy and eventually so will

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be your server.

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So that's why, in my opinion, it's definitely way easier like this where you just say, OK, if I

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know that I have only one front and application and it's going to be either in development here or in

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production here, then I just hardcoded them.

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But if you want to start looking for those values, whether that is where the server is located, whether

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that is where the request this coming from.

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Yes, you can get it from here.

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And most of the stuff is going to be sitting in the headers and effectively the way you access that

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you go with REC, get online, whatever is the header name again.

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This is a giant giant object, so there's tons of things in there.

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So therefore it is easier if you know what you're looking for.

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But in general, the headers is where effectively you'll be able to access most of the data.

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So, for example, in here, correct?

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I go with origin.

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Now what is the origin?

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Well, that is localhost 5000, and all of that is nice.

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But keep in mind that we're not sending the user, so we're not setting up our link to localhost 5000.

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That's where the servers.

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Now, why is it here?

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5000?

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Well, because we have a proxy.

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Correct.

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And therefore, that's what I'm saying that once you start setting up the proxies and all that, it

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gets really tricky, really fast.

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So in this case, if I want to see what is the original one, I need to go with this one, be forwarded

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to host what I can see that it's actually coming from three thousand.

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I can see the protocol, I can see the port and all of that cool stuff.

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So let me just log some stuff just so you have an idea.

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So in my case, I'm going to stick with origin.

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And then if you ever want to go with production one, then just the proper URL.

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Now what things I want to showcase, I'm going to go here with content and protocol.

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Protocol matters equal to request protocol.

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That's the property on the object.

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Then if we want to get the host, we go with consent.

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And I say, no, I actually want it to log this protocol run.

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Want to go with concert host is equal to Iraq.

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Get more than for host.

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Again, that's the syntax.

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You have a header and then you just go with get and then whatever is the header name.

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So let's also log that host.

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And if you want, you can add maybe here a protocol protocol, maybe that's going to make a little bit

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more sense.

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So let me cut it out here and I'll set up properly where access the variable and.

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Copy and paste the protocol.

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So let me do it here as well.

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You're also a host just so we can have a cleaner council.

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Host here and then let me showcase the forwarded host and forwarded protocol, so concert for word that.

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And I'll just say host, so wreck and get the name and the name here is X forwarded and we go in host.

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And the same copy and paste and now we're looking for a protocol.

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Protocol now will be equal to the header by the name of protocol, and the line led to similar console.log.

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Where we go with for that host.

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We're word that host and then we have the venerable, of course, so forward that most copy and paste

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and let's set it up protocol as well.

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And as a side note, when it comes to a postman.

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So when you're sending this from a postman and you're logging the origin basically where it is coming

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from.

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Effectively, what you'll get back is now so nothing.

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So let me set up here the protocol, and then I'll show you one more thing.

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So for the protocol?

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And remember the what was the origin correct?

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Somewhere here was the origin.

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I showcased the local host 5000, so I can definitely check that.

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But remember, Mike already said probably a million times when it comes to proxies and everything.

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It's not as straightforward as it looks, so let me go here with Konst.

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Origin is equal to and again, this is really optional just so you kind of get the overall picture.

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There's really nothing that you have to do in this project.

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Let me go here with log on or you're pretty much the same thing.

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I'm just going to showcase the origin.

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So we're going to go here with origin.

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And this is the case where, yes.

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One last time.

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We will have to set up some kind of random user.

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And again, in between the videos, I'll clean out my database.

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I know that for some people, it's probably annoying, but that's just the way it is.

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So let me go back.

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I'm going to navigate back to register or just there one more time I may go with Susan in this case.

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Or maybe I already went with Susan Pavitt.

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Maybe buried.

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David, and then for I forget, I don't want to log the big request because it's going to be too much

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info, go Gmail and then let's set up as secret.

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Let's register and it looks like I have an error.

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So let me go back to my server and I can see that identifier origin has already been declared my bad.

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So let me say here Camp Origin.

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Not origin.

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And I'm still going to be looking for the same header, so that's not going to change.

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We're just going to say dump origin.

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Now let's go back.

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Let's try to send.

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We're loading.

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Great, awesome.

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So now we're sending the email, but what we're really interested is this scenario.

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This is going to be the origin, which again, where do you request this coming from, which is 5000?

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And if that's not what we need, what we need is 3000.

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Where is that located?

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That is in the forward host.

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Correct.

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Now what about protocol?

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This is a leap.

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So of course, once we publish this, most likely it's going to be actually itbs also something that

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we can get from the headers run.

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Let's take a look at the host.

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And basically, this is our server.

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So I fully understand that this might be a little bit confusing where you have origin and host.

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Just remember, this is because we have a proxy on a frontend.

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So in my case, here's what I'm going to do.

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I'm going to remove console logs.

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I think that they will be on a way for you, but I will leave these values for you just in case you

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ever need a reference.

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Let me remove these kinds of logs.

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And we're pretty much good to go.

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Now I want to set up a refresh token functionality.