[Feature Request] URL rewrite functionality?

[shouldsee]

Describe the feature request

Wants to rewrite a the url in a proxied HTTP request, as one would do in nginx. This is useful when mounting application to a url_prefix. I am not very familiar with HTTP but at the very basic the url needs to be recovered to remove the /${base_url} in the proxyed url?

Describe alternatives you've considered

nginx way to mount supervisor interface at 8999. as from Supervisor/supervisor#29

location /supervisor {
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    # hack the host https://github.com/Supervisor/supervisor/issues/251
    proxy_set_header Host $http_host/supervisor/index.html;
    proxy_redirect off;
    rewrite ^/supervisor(.*)$ /$1 break;
    proxy_pass http://127.0.0.1:8999/;
}

Affected area

• Docs
• Installation
• Performance and Scalability
• Security
• User Experience
• Test and Release
• Developer Infrastructure
• Client Plugin
• Server Plugin
• Extensions
• Others

[fatedier]

It can be supported in frp v2 future.

[github-actions]

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