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ident.go
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ident.go
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package ident
import (
"crypto/rand"
"encoding/base32"
"fmt"
"strings"
"github.com/ElementumOrg/libtorrent-go"
"github.com/elgatito/elementum/config"
)
var (
// Version ...
Version = "v0.0.1"
)
// GetVersion returns version, provided to compiler
func GetVersion() string {
if len(Version) > 0 {
return Version[1:]
}
// Return Dummy version if none provided by compiler
return "0.0.1"
}
// GetCleanVersion returns version, provided to compiler, but without possible commit information
func GetCleanVersion() string {
v := GetVersion()
if strings.Contains(v, "-") {
return strings.Split(v, "-")[0]
}
return v
}
// GetTorrentVersion returns version of GoTorrent, provided to compiler
func GetTorrentVersion() string {
return libtorrent.Version()
}
// DefaultUserAgent ...
func DefaultUserAgent() string {
return fmt.Sprintf("Elementum/%s", GetVersion())
}
// DefaultPeerID return default PeerID
func DefaultPeerID() string {
return "-GT0001-"
}
// PeerIDRandom generates random peer id
func PeerIDRandom(peer string) string {
return peer + getToken(20-len(peer))
}
func getToken(length int) string {
randomBytes := make([]byte, 32)
_, err := rand.Read(randomBytes)
if err != nil {
panic(err)
}
return base32.StdEncoding.EncodeToString(randomBytes)[:length]
}
// GetUserAndPeer returns PeerID and UserAgent, according to Config settings.
// If not set - returns default values
func GetUserAndPeer() (peerID, userAgent string) {
c := config.Get()
peerID = DefaultPeerID()
userAgent = DefaultUserAgent()
if c.SpoofUserAgent > 0 {
switch c.SpoofUserAgent {
case 1:
userAgent = "Transmission/1.93"
peerID = "-TR1930-"
return
case 2:
userAgent = "libtorrent (Rasterbar) 1.1.0"
peerID = "-LT1100-"
return
case 3:
userAgent = "BitTorrent/7.5.0"
peerID = "-BT7500-"
return
case 4:
userAgent = "BitTorrent/7.4.3"
peerID = "-BT7430-"
return
case 5:
userAgent = "uTorrent/3.4.9"
peerID = "-UT3490-"
return
case 6:
userAgent = "uTorrent/3.2.0"
peerID = "-UT3200-"
return
case 7:
userAgent = "uTorrent/2.2.1"
peerID = "-UT2210-"
return
case 8:
userAgent = "Transmission/2.92"
peerID = "-TR2920-"
return
case 9:
userAgent = "Deluge/1.3.6.0"
peerID = "-DG1360-"
return
case 10:
userAgent = "Deluge/1.3.12.0"
peerID = "-DG1312-"
return
case 11:
userAgent = "Vuze/5.7.3.0"
peerID = "-VZ5730-"
return
default:
userAgent = "uTorrent/3.4.9"
peerID = "-UT3490-"
return
}
}
return
}