How to handle json request

rabbit

Hello!
I tripped over a site where my firefox dev-tools show me this at the request area:

I don't know how to transfer this to OB, is there an example for an config with this json-form?

I set Method as "Post" and tried
POST data like

{ "u":"<USERNAME>", "p":"<PASSWORD>", "r":false}

But I still get

Response Source:
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html>
<head>
<title>400 Bad Request</title>
</head>
<body>
<h1>Bad Request</h1>
<p>Your browser sent a request that this server could not understand.</p>
</body>
</html>

Can someone give me a help?

Ruri

You have to put content-type application/json

rabbit

@Ruri Hi,
thank you, I tried some seting without success...

Ruri

Can you remove the \n from the json data? The server can perfectly understand it even without the linefeeds.

rabbit

Yes, I read that in another thread and gave it a change but with or without \n same result...

Ruri

I have no clue then mate, sorry

rabbit

ok thanks anyway, i won't give up!

meinname

Ah, by seeing your screenshot i see the problem.
I don't want to spill too much, but the site has an extra protection.

Only hint i can give, look at the Headers you are sending when trying to login with the browser and how one them changes when trying different login details.
Maybe you notice something

rabbit

Hi,
yeah I understand now. Thank you!
Behind "Upgrade-Insecure-Request:" is a variable depending on userdata, but how is this created and how can I fetch is to send it with OB-Header?

c0nf1g

Try parsing the header on a regular GET request, and then later use it in the POST request

rabbit

Hi,
thank you for that hint. But I still haven't made it.
There is nothing about the Upgrade-Insecure-Request in the GET request.
Also, I read that this Upgrade-Insecure-Request is made to build a httpS connection instead of http, and it can have the value 0 or 1.
?-(

meinname

Ignore, what @c0nf1g said
And yes, the Header is misused. 0 and 1 will never happen
As said, try different login details in the browser.
Maybe start with 123456: 123456 and then 1234567: 1234567. Maybe you notice something

rabbit

Ah!
Yeah i have cracked the riddle !
Ha, thats nice!

babirro

try this, direct to header custon

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How to handle json request