introduce

Help the server obtain the client's Ja3 fingerprint, http2 fingerprint, Ja4 fingerprint, Ja4H fingerprint

features

Completely implemented by Golang without external dependencies
Automatic certificate, automatic replacement upon expiration
Fast integration of all frameworks related to Golang
Both http1.1 and http2 are supported

get started

install

go get github.com/gospider007/fp

quick start with gin

package main

import (
	"log"

	"github.com/gin-gonic/gin"
	"github.com/gospider007/fp"
)

func main() {
	handle := gin.Default()
	//fp url in : https://127.0.0.1:8999/
	handle.GET("/", fp.GinHandlerFunc)
	err := fp.Server(nil, handle.Handler(), fp.Option{Addr: ":8999"})
	log.Print(err)
}

browser open fp url display

{
    "akamai_fp": "1:65536,2:0,4:6291456,6:262144|15663105|0|m,a,s,p",
    "http2": {
        "InitialSetting": [
            {
                "Id": 1,
                "Val": 65536
            },
            {
                "Id": 2,
                "Val": 0
            },
            {
                "Id": 4,
                "Val": 6291456
            },
            {
                "Id": 6,
                "Val": 262144
            }
        ],
        "ConnFlow": 15663105,
        "OrderHeaders": [
            ":method",
            ":authority",
            ":scheme",
            ":path",
            "sec-ch-ua",
            "sec-ch-ua-mobile",
            "sec-ch-ua-platform",
            "upgrade-insecure-requests",
            "user-agent",
            "accept",
            "sec-fetch-site",
            "sec-fetch-mode",
            "sec-fetch-user",
            "sec-fetch-dest",
            "accept-encoding",
            "accept-language"
        ],
        "Priority": {
            "StreamDep": 0,
            "Exclusive": true,
            "Weight": 255
        }
    },
    "ja3": "772,4865-4866-4867-49195-49199-49196-49200-52393-52392-49171-49172-156-157-47-53,16-0-5-35-45-27-18-23-17513-51-65281-11-43-10-13-41,12092-29-23-24,0",
    "ja3n": "772,4865-4866-4867-49195-49199-49196-49200-52393-52392-49171-49172-156-157-47-53,,12092-29-23-24,0",
    "ja4": "t13d1516h2_d9e802bd6bed_ea967019fa2a",
    "ja4h": "ge20nn10zhcn_0f5a7a41a252_e3b0c44298fc_e3b0c44298fc",
    "negotiatedProtocol": "h2",
    "orderHeaders": null,
    "tls": {
        "Ciphers": [
            60138,
            4865,
            4866,
            4867,
            49195,
            49199,
            49196,
            49200,
            52393,
            52392,
            49171,
            49172,
            156,
            157,
            47,
            53
        ],
        "Curves": [
            2570,
            12092,
            29,
            23,
            24
        ],
        "Extensions": [
            64250,
            16,
            0,
            5,
            35,
            45,
            27,
            18,
            23,
            17513,
            51,
            65281,
            11,
            43,
            10,
            13,
            10794,
            41
        ],
        "Points": [
            0
        ],
        "Protocols": [
            "h2",
            "http/1.1"
        ],
        "Versions": [
            2570,
            772,
            771
        ],
        "Algorithms": [
            1027,
            2052,
            1025,
            1283,
            2053,
            1281,
            2054,
            1537
        ],
        "RandomTime": "2045-11-20 13:47:01 -0500 EST",
        "RandomBytes": "94032f738ddcb26991ae036c1838f1dc8a79ed5b3fe3efefee89cec7",
        "SessionId": "9b7991ce3fc624e0c91cc15c25f359d1f20307a055df0d5d27a31f98ce4fd74d",
        "CompressionMethods": "00"
    },
    "tlsVersion": 772,
    "userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36 Edg/118.0.2088.61"
}

Contributing

If you have a bug report or feature request, you can open an issue

Contact

If you have questions, feel free to reach out to us in the following ways:

QQ Group (Chinese): 939111384 -
WeChat (Chinese): gospider007

Alantoo / fp