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utils.go
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package utils
import (
"encoding/json"
"fmt"
tls "github.com/Noooste/utls"
"github.com/google/uuid"
log "github.com/sirupsen/logrus"
"golang.org/x/text/runes"
"golang.org/x/text/transform"
"golang.org/x/text/unicode/norm"
"math/rand"
"net/url"
"reflect"
"regexp"
"runtime/debug"
"strconv"
"strings"
"unicode"
)
const (
Version = "124"
UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/" + Version + ".0.0.0 Safari/537.36"
SecChUa = "\"Chromium\";v=\"124\", \"Google Chrome\";v=\"124\", \"Not-A.Brand\";v=\"99\""
BrowserName = "Chrome"
DeviceType = "Desktop"
OsName = "Windows"
OsVersion = "10"
)
func GetSecChUa(version int) string {
switch version {
case 106:
return "\"Chromium\";v=\"106\", \"Google Chrome\";v=\"106\", \"Not;A=Brand\";v=\"99\""
case 107:
return "\"Google Chrome\";v=\"107\", \"Chromium\";v=\"107\", \"Not=A?Brand\";v=\"24\""
case 108:
return "\"Not?A_Brand\";v=\"8\", \"Chromium\";v=\"108\", \"Google Chrome\";v=\"108\""
case 109:
return "\"Not_A Brand\";v=\"99\", \"Google Chrome\";v=\"109\", \"Chromium\";v=\"109\""
case 110:
return "\"Chromium\";v=\"110\", \"Not A(Brand\";v=\"24\", \"Google Chrome\";v=\"110\""
case 111:
return "\"Google Chrome\";v=\"111\", \"Not(A:Brand\";v=\"8\", \"Chromium\";v=\"111\""
case 112:
return "\"Chromium\";v=\"112\", \"Google Chrome\";v=\"112\", \"Not:A-Brand\";v=\"99\""
default:
return SecChUa
}
}
func GetRandomChromeUserAgent(minVer, maxVer int) (string, string) {
ver := rand.Intn(maxVer-minVer) + minVer
return "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/" + strconv.Itoa(ver) + ".0.0.0 Safari/537.36",
GetSecChUa(ver)
}
func Must(a any, e error) any {
if e != nil {
panic(e)
}
return a
}
func SafeGoRoutine(fn func(), recoverFns ...func()) {
go func() {
if len(recoverFns) > 0 {
defer recoverFns[0]()
}
defer func() {
if r := recover(); r != nil {
log.Print(r)
debug.PrintStack()
}
}()
fn()
}()
}
func UrlEncodeMap(query map[string]string) string {
params := url.Values{}
for key, value := range query {
params.Add(key, value)
}
return params.Encode()
}
func GetID() string {
return uuid.New().String()
}
func EscapeQuotes(str string) string {
return strings.ReplaceAll(str, "\"", "\\\"")
}
func JsonDumps(obj interface{}) string {
return string(JsonDumpsBytes(obj))
}
func JsonDumpsBytes(obj interface{}) []byte {
dumped, err := json.Marshal(obj)
if err != nil {
return []byte("{}")
}
return dumped
}
func UrlEncode(obj any) string {
r := reflect.ValueOf(obj)
switch r.Kind() {
case reflect.Map:
keys := r.MapKeys()
var result []string
for _, key := range keys {
result = append(result, fmt.Sprintf("%s=%v", key, r.MapIndex(key)))
}
return strings.Join(result, "&")
case reflect.Struct:
var result []string
for i := 0; i < r.NumField(); i++ {
if name, ok := r.Type().Field(i).Tag.Lookup("json"); ok {
//detect if omitempty is set
split := strings.Split(name, ",")
if len(split) > 1 && split[1] == "omitempty" {
if r.Field(i).IsZero() {
continue
}
}
result = append(result, fmt.Sprintf("%s=%s", split[0], url.QueryEscape(fmt.Sprintf("%v", r.Field(i)))))
}
}
return strings.Join(result, "&")
default:
return ""
}
}
func FormatProxy(proxy string) string {
var split = strings.Split(strings.Trim(proxy, "\n\r"), ":")
if len(split) == 4 {
return "http://" + split[2] + ":" + split[3] + "@" + split[0] + ":" + split[1]
} else if len(split) == 2 {
return "http://" + split[0] + ":" + split[1]
}
return proxy
}
func CleanAddress(address string) string {
t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
s, _, _ := transform.String(t, address)
var punctuationReplace = regexp.MustCompile(`[[:punct:]]`)
return punctuationReplace.ReplaceAllString(s, ` `)
}
// GetLastChromeVersion apply the latest Chrome version
// Current Chrome version : 111
func GetLastChromeVersion() *tls.ClientHelloSpec {
extensions := []tls.TLSExtension{
&tls.UtlsGREASEExtension{},
&tls.KeyShareExtension{KeyShares: []tls.KeyShare{
{Group: tls.CurveID(tls.GREASE_PLACEHOLDER), Data: []byte{0}},
{Group: tls.X25519},
}},
&tls.ALPNExtension{AlpnProtocols: []string{"h2", "http/1.1"}},
&tls.SNIExtension{},
&tls.SignatureAlgorithmsExtension{SupportedSignatureAlgorithms: []tls.SignatureScheme{
tls.ECDSAWithP256AndSHA256,
tls.PSSWithSHA256,
tls.PKCS1WithSHA256,
tls.ECDSAWithP384AndSHA384,
tls.PSSWithSHA384,
tls.PKCS1WithSHA384,
tls.PSSWithSHA512,
tls.PKCS1WithSHA512,
}},
&tls.ExtendedMasterSecretExtension{},
&tls.SessionTicketExtension{},
&tls.SCTExtension{},
&tls.RenegotiationInfoExtension{},
&tls.PSKKeyExchangeModesExtension{Modes: []uint8{
tls.PskModeDHE,
}},
&tls.ApplicationSettingsExtension{SupportedProtocols: []string{"h2", "http/1.1"}},
&tls.UtlsCompressCertExtension{Algorithms: []tls.CertCompressionAlgo{
tls.CertCompressionBrotli,
}},
&tls.SupportedVersionsExtension{Versions: []uint16{
tls.GREASE_PLACEHOLDER,
tls.VersionTLS13,
tls.VersionTLS12,
}},
&tls.SupportedCurvesExtension{Curves: []tls.CurveID{
tls.GREASE_PLACEHOLDER,
tls.X25519,
tls.CurveP256,
tls.CurveP384,
}},
&tls.StatusRequestExtension{},
&tls.SupportedPointsExtension{SupportedPoints: []byte{
0x00, // pointFormatUncompressed
}},
&tls.UtlsGREASEExtension{},
&tls.UtlsPaddingExtension{GetPaddingLen: tls.BoringPaddingStyle},
}
extensionsLength := len(extensions)
lastTwo := extensionsLength - 2
rand.Shuffle(extensionsLength, func(i, j int) {
if i >= lastTwo || j >= lastTwo || i == 0 || j == 0 {
return
}
extensions[i], extensions[j] = extensions[j], extensions[i]
})
return &tls.ClientHelloSpec{
CipherSuites: []uint16{
tls.GREASE_PLACEHOLDER,
tls.TLS_AES_128_GCM_SHA256,
tls.TLS_AES_256_GCM_SHA384,
tls.TLS_CHACHA20_POLY1305_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_RSA_WITH_AES_256_CBC_SHA,
},
CompressionMethods: []byte{
0x00, // compressionNone
},
Extensions: extensions,
}
}