117 lines
3.4 KiB
Go
117 lines
3.4 KiB
Go
package main
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import (
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"crypto/rand"
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"encoding/base64"
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"flag"
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cwtchserver "git.openprivacy.ca/cwtch.im/server"
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"git.openprivacy.ca/cwtch.im/tapir/primitives"
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"git.openprivacy.ca/openprivacy/connectivity/tor"
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"git.openprivacy.ca/openprivacy/log"
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_ "github.com/mattn/go-sqlite3" // sqlite3 driver
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"io/ioutil"
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mrand "math/rand"
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"os"
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"os/signal"
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"path"
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"syscall"
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"time"
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)
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func main() {
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flagDebug := flag.Bool("debug", false, "Enable debug logging")
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flagExportServer := flag.Bool("exportServerBundle", false, "Export the server bundle to a file called serverbundle")
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flagDir := flag.String("dir", ".", "Directory to store server files in (config, encrypted messages, metrics)")
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flagDisableMetrics := flag.Bool("disableMetrics", false, "Disable metrics reporting")
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flag.Parse()
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log.AddEverythingFromPattern("server/app/main")
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log.AddEverythingFromPattern("server/server")
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log.ExcludeFromPattern("service.go")
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log.SetLevel(log.LevelInfo)
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if *flagDebug {
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log.Infoln("enableing Debug logging")
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log.SetLevel(log.LevelDebug)
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}
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configDir := os.Getenv("CWTCH_HOME")
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if configDir == "" {
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configDir = *flagDir
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}
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if len(os.Args) == 2 && os.Args[1] == "gen1" {
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config := new(cwtchserver.Config)
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id, pk := primitives.InitializeEphemeralIdentity()
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tid, tpk := primitives.InitializeEphemeralIdentity()
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config.PrivateKey = pk
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config.PublicKey = id.PublicKey()
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config.TokenServerPrivateKey = tpk
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config.TokenServerPublicKey = tid.PublicKey()
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config.MaxBufferLines = 100000
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config.ServerReporting = cwtchserver.Reporting{
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LogMetricsToFile: true,
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}
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config.ConfigDir = "."
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config.FilePath = cwtchserver.ServerConfigFile
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config.Encrypted = false
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config.Save()
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return
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}
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disableMetrics := *flagDisableMetrics
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if os.Getenv("DISABLE_METRICS") != "" {
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disableMetrics = true
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}
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serverConfig, err := cwtchserver.LoadCreateDefaultConfigFile(configDir, cwtchserver.ServerConfigFile, false, "", !disableMetrics)
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if err != nil {
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log.Errorf("Could not load/create config file: %s\n", err)
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return
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}
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serverConfig.ServerReporting.LogMetricsToFile = !disableMetrics
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// we don't need real randomness for the port, just to avoid a possible conflict...
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mrand.Seed(int64(time.Now().Nanosecond()))
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controlPort := mrand.Intn(1000) + 9052
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// generate a random password
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key := make([]byte, 64)
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_, err = rand.Read(key)
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if err != nil {
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panic(err)
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}
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os.MkdirAll("tordir/tor", 0700)
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tor.NewTorrc().WithHashedPassword(base64.StdEncoding.EncodeToString(key)).WithControlPort(controlPort).Build("./tordir/tor/torrc")
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acn, err := tor.NewTorACNWithAuth("tordir", "", "tordir/tor", controlPort, tor.HashedPasswordAuthenticator{Password: base64.StdEncoding.EncodeToString(key)})
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if err != nil {
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log.Errorf("\nError connecting to Tor: %v\n", err)
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os.Exit(1)
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}
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defer acn.Close()
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server := cwtchserver.NewServer(serverConfig)
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log.Infoln("starting cwtch server...")
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log.Infof("Server %s\n", server.Onion())
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log.Infof("Server bundle (import into client to use server): %s\n", log.Magenta(server.ServerBundle()))
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if *flagExportServer {
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// Todo: change all to server export
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ioutil.WriteFile(path.Join(serverConfig.ConfigDir, "serverbundle"), []byte(server.ServerBundle()), 0600)
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}
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// Graceful Stop
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt, syscall.SIGTERM)
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go func() {
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<-c
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server.Destroy()
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acn.Close()
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os.Exit(1)
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}()
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server.Run(acn)
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for {
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time.Sleep(time.Second)
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}
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}
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