fhttp is a fork of net/http that provides an array of features pertaining to the fingerprint of the golang http client.

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HTTP Clients fhttp
Overview

fhttp

The f stands for flex. fhttp is a fork of net/http that provides an array of features pertaining to the fingerprint of the golang http client. Through these changes, the http client becomes much more flexible, and when combined with transports such as uTLS can mitigate servers from fingerprinting requests and see that it is made by golang, making them look like they originate from a regular chrome browser.

Documentation can be contributed, otherwise, look at tests and examples. The main one should be example_client_test.go.

Features

Ordered Headers

Allows for pseudo header order and normal header order. Most of the code is taken from this pr.

Connection settings (TODO)

Has Chrome-like connection settings:

SETTINGS_HEADER_TABLE_SIZE = 65536
SETTINGS_ENABLE_PUSH = 1
SETTINGS_MAX_CONCURRENT_STREAMS = 1000
SETTINGS_INITIAL_WINDOW_SIZE = 6291456
SETTINGS_MAX_FRAME_SIZE = 16384
SETTINGS_MAX_HEADER_LIST_SIZE = 262144

gzip, deflate, br encoding (TODO)

Actually supports and implements encoding gzip, deflate, br

Pseudo header order

Supports pseudo header order for http2 to mitigate fingerprinting. Read more about it here

Backward compatible with net/http

Although this library is an extension of net/http, it is also meant to be backward compatible. Replacing

import (
	"net/http"
)

with

import (
	http "github.com/zMrKrabz/fhttp"
)

SHOULD not break anything.

Issues
  • Cannot use req as type

    Cannot use req as type

    Replaced "net/http" with http "github.com/zMrKrabz/fhttp"

     cannot use req (type *"github.com/zMrKrabz/fhttp".Request) as type *"net/http".Request in argument to h2clientConn.RoundTrip
    

    nvm just had to replace all imports in net

    opened by RetryingOOS 1
  • Http2 migrate

    Http2 migrate

    • Headers and pseudo headers are now implemented and edited in the http2 folder
    • Setting connections implementation have changed, customizable initial window size and header table size are transport settings
    • Push enabler implemented to an extent, there are still bugs that are mentioned in CONTRIBUTING.md that needs to be fixed. Because the changes do not give out any errors and the original request goes through fine and the client isn't cancelling the streams, I count that as acceptable.
    opened by zMrKrabz 0
  • Fix spelling

    Fix spelling

    I fixed a couple of meaningless typos without changing the capitalization of any word as I assumed that to be a voluntary stylistic choice. Yes, I'm extremely bored.

    opened by subreme 0
  • The uppercase is forced at the start of every words for the key header

    The uppercase is forced at the start of every words for the key header

    I can understand if you don't want to change this one, because of the RFC, but I think it should be the user to decide if they want to follow this norm or not.

    opened by LeBatou 0
  • Being able to chose the position of User-Agent

    Being able to chose the position of User-Agent

    As the title says, as you can see in the screens that I will give under, you can't select the position of the UA for the headers:

    image (json send to the function)

    image (map used for http.HeaderOrderKey)

    image (Result in burp)

    opened by LeBatou 0
Owner
Flexagon
College student coding as a hobby. Have experience with NodeJS, Python, and Go.
Flexagon
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