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@@ -0,0 +1,105 @@
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+package shadowtls
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+
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+import (
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+ "crypto/rand"
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+ "math/big"
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+
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+ utls "github.com/sagernet/utls"
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+)
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+
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+func init() {
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+ bigInt, _ := rand.Int(rand.Reader, big.NewInt(int64(len(ModernFingerprints))))
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+ stopAt := int(bigInt.Int64())
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+ i := 0
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+ for _, v := range ModernFingerprints {
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+ if i == stopAt {
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+ PresetFingerprints["random"] = v
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+ break
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+ }
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+ i++
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+ }
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+ weights := utls.DefaultWeights
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+ weights.TLSVersMax_Set_VersionTLS13 = 1
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+ weights.FirstKeyShare_Set_CurveP256 = 0
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+ randomized := utls.HelloRandomized
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+ randomized.Seed, _ = utls.NewPRNGSeed()
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+ randomized.Weights = &weights
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+ PresetFingerprints["randomized"] = &randomized
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+}
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+
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+func GetFingerprint(name string) (fingerprint *utls.ClientHelloID) {
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+ if name == "" {
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+ return
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+ }
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+ if fingerprint = PresetFingerprints[name]; fingerprint != nil {
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+ return
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+ }
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+ if fingerprint = ModernFingerprints[name]; fingerprint != nil {
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+ return
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+ }
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+ if fingerprint = OtherFingerprints[name]; fingerprint != nil {
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+ return
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+ }
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+ return
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+}
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+
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+var PresetFingerprints = map[string]*utls.ClientHelloID{
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+ // Recommended preset options in GUI clients
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+ "chrome": &utls.HelloChrome_Auto,
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+ "firefox": &utls.HelloFirefox_Auto,
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+ "safari": &utls.HelloSafari_Auto,
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+ "ios": &utls.HelloIOS_Auto,
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+ "android": &utls.HelloAndroid_11_OkHttp,
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+ "edge": &utls.HelloEdge_Auto,
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+ "360": &utls.Hello360_Auto,
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+ "qq": &utls.HelloQQ_Auto,
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+ "random": nil,
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+ "randomized": nil,
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+}
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+
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+var ModernFingerprints = map[string]*utls.ClientHelloID{
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+ // One of these will be chosen as `random` at startup
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+ "hellofirefox_99": &utls.HelloFirefox_99,
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+ "hellofirefox_102": &utls.HelloFirefox_102,
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+ "hellofirefox_105": &utls.HelloFirefox_105,
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+ "hellochrome_83": &utls.HelloChrome_83,
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+ "hellochrome_87": &utls.HelloChrome_87,
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+ "hellochrome_96": &utls.HelloChrome_96,
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+ "hellochrome_100": &utls.HelloChrome_100,
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+ "hellochrome_102": &utls.HelloChrome_102,
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+ "hellochrome_106_shuffle": &utls.HelloChrome_106_Shuffle,
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+ "helloios_13": &utls.HelloIOS_13,
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+ "helloios_14": &utls.HelloIOS_14,
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+ "helloedge_85": &utls.HelloEdge_85,
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+ "helloedge_106": &utls.HelloEdge_106,
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+ "hellosafari_16_0": &utls.HelloSafari_16_0,
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+ "hello360_11_0": &utls.Hello360_11_0,
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+ "helloqq_11_1": &utls.HelloQQ_11_1,
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+}
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+
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+var OtherFingerprints = map[string]*utls.ClientHelloID{
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+ // Golang, randomized, auto, and fingerprints that are too old
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+ "hellogolang": &utls.HelloGolang,
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+ "hellorandomized": &utls.HelloRandomized,
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+ "hellorandomizedalpn": &utls.HelloRandomizedALPN,
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+ "hellorandomizednoalpn": &utls.HelloRandomizedNoALPN,
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+ "hellofirefox_auto": &utls.HelloFirefox_Auto,
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+ "hellofirefox_55": &utls.HelloFirefox_55,
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+ "hellofirefox_56": &utls.HelloFirefox_56,
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+ "hellofirefox_63": &utls.HelloFirefox_63,
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+ "hellofirefox_65": &utls.HelloFirefox_65,
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+ "hellochrome_auto": &utls.HelloChrome_Auto,
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+ "hellochrome_58": &utls.HelloChrome_58,
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+ "hellochrome_62": &utls.HelloChrome_62,
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+ "hellochrome_70": &utls.HelloChrome_70,
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+ "hellochrome_72": &utls.HelloChrome_72,
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+ "helloios_auto": &utls.HelloIOS_Auto,
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+ "helloios_11_1": &utls.HelloIOS_11_1,
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+ "helloios_12_1": &utls.HelloIOS_12_1,
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+ "helloandroid_11_okhttp": &utls.HelloAndroid_11_OkHttp,
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+ "helloedge_auto": &utls.HelloEdge_Auto,
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+ "hellosafari_auto": &utls.HelloSafari_Auto,
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+ "hello360_auto": &utls.Hello360_Auto,
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+ "hello360_7_5": &utls.Hello360_7_5,
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+ "helloqq_auto": &utls.HelloQQ_Auto,
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+}
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世界