Unable to login.

[RokeJulianLockhart]

Describe the bug I am not redirected during authentication.

To Reproduce Steps to reproduce the behavior:

1. https://flathub.org/apps/io.github.achetagames.epic_asset_manager
2. https://dl.flathub.org/repo/appstream/io.github.achetagames.epic_asset_manager.flatpakref
3. https://apps.kde.org/discover/
4. 

5. https://www.epicgames.com/id/api/redirect?clientId=34a02cf8f4414e29b15921876da36f9a&responseType=code

   {"redirectUrl":"https://localhost/launcher/authorized?code=727167fa40c344f0ac8700ef46d6204f","authorizationCode":"727167fa40c344f0ac8700ef46d6204f","sid":null}

   X-Firefox-Spdy: h2
   access-control-allow-credentials: true
   cache-control: no-store, no-cache, must-revalidate, proxy-revalidate, no-cache
   content-encoding: gzip
   content-language: en-GB
   content-security-policy: default-src 'self' 'unsafe-inline'; style-src 'self' static-assets-prod.epicgames.com static-assets-prod.unrealengine.com; script-src 'self' 'unsafe-inline'
   content-type: application/json; charset=utf-8
   date: Sat, 12 Aug 2023 11:45:14 GMT
   etag: W/"9f-4lC7y9NSAH1R+yiKf66cNH8iGHY"
   expires: 0
   pragma: no-cache
   referrer-policy: same-origin
   strict-transport-security: max-age=15552000; includeSubDomains
   surrogate-control: no-store
   vary: Accept-Encoding, Origin, Accept-Encoding
   x-content-type-options: nosniff
   x-frame-options: SAMEORIGIN
   x-powered-by: PHP 7.2.7
   x-xss-protection: 1; mode=block
   
   Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
   Accept-Encoding: gzip, deflate, br
   Accept-Language: en-GB
   Connection: keep-alive
   Host: www.epicgames.com
   Sec-Fetch-Dest: document
   Sec-Fetch-Mode: navigate
   Sec-Fetch-Site: none
   Sec-Fetch-User: ?1
   TE: trailers
   Upgrade-Insecure-Requests: 1
   User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/115.0

Expected behavior I should have been authenticated.

Desktop (please complete the following information):

• OS: cpe:/o:opensuse:tumbleweed:20230807
• Browser: https://build.opensuse.org/package/binary/openSUSE:Factory/MozillaFirefox/standard/x86_64/MozillaFirefox-115.0.3-1.1.x86_64.rpm
• Version:

  firefox -v

  Mozilla Firefox 115.0.3

[RokeJulianLockhart]

I didn't read the GUI. You need to copy the

(?:\"authorizationCode)(?:\"\s?:\s?\")(.*)(?:\")

into the relevant input form.

When completed, it works: