fingerprint.go

package adyen

import "regexp"

type Fingerprint struct {
    canvas        string
    cpuClass      string
    doNotTrack    string
    fonts         string
    jsFonts       string
    mimeTypes     string
    nrOfFonts     string
    nrOfMimeTypes string
    nrOfPlugins   string
    platform      string
    plugins       string
    superCookies  string
    timeZone      string
    userAgent     string
    video         string
    webglFp       string
    result        string
}

var rpPlus, _ = regexp.Compile(`\+`)
var rpSp, _ = regexp.Compile(`\/`)

func NewDF() *Fingerprint {
    fp := &Fingerprint{
        canvas:        "mvcujCW8QL",
        cpuClass:      "00000",
        doNotTrack:    "00000",
        fonts:         "0000000000",
        jsFonts:       "EC4FlSABmQ",
        mimeTypes:     "qBgAVdzoFe",
        nrOfFonts:     "000",
        nrOfMimeTypes: "004",
        nrOfPlugins:   "001",
        platform:      "qZkTE",
        plugins:       "cJRxL5CUm7",
        superCookies:  "cVB94iKzBG",
        timeZone:      "5B8+c9qXKS",
        userAgent:     "JnveW63V8k",
        video:         "0050271576",
        webglFp:       "Q6Fc6BeHpl",
    }
    fp.result = encodeAdyenFp(fp)
    return fp
}

//随机修改一些数据
func (fp *Fingerprint) random() {

}

//dfGetEntropy
func (fp *Fingerprint) dfGetEntropy() string {
    return "40"
}

//toString
func (fp *Fingerprint) String() string {
    return fp.result
}

func padStr(c string, a int) string {
    if len(c) >= a {
        return c[:a]
    }
    b := ""
    for ; len(b) < a-len(c); b += "0" {
    }
    return b
}

func encodeAdyenFp(a *Fingerprint) string {
    str := a.plugins + a.nrOfPlugins + a.fonts + a.nrOfFonts + a.timeZone + a.video + a.superCookies + a.userAgent + a.mimeTypes + a.nrOfMimeTypes + a.canvas + a.cpuClass + a.platform + a.doNotTrack + a.webglFp + a.jsFonts
    str = rpPlus.ReplaceAllString(str, "G")
    str = rpSp.ReplaceAllString(str, "D")
    return str + ":" + a.dfGetEntropy()
}