2019-06-03 09:01:52 +02:00

566 lines
14 KiB
Go

package main
import (
"crypto/ecdsa"
"encoding/hex"
"flag"
"fmt"
"log"
"math"
"os"
ossignal "os/signal"
"path/filepath"
"strings"
"syscall"
"github.com/ethereum/go-ethereum/crypto"
gethnode "github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/rpc"
"github.com/jroimartin/gocui"
"github.com/peterbourgon/ff"
"github.com/pkg/errors"
"github.com/status-im/status-console-client/protocol/adapters"
"github.com/status-im/status-console-client/protocol/client"
"github.com/status-im/status-console-client/protocol/gethservice"
"github.com/status-im/status-go/logutils"
"github.com/status-im/status-go/node"
"github.com/status-im/status-go/params"
"github.com/status-im/status-go/signal"
)
var g *gocui.Gui
var (
fs = flag.NewFlagSet("status-term-client", flag.ExitOnError)
logLevel = fs.String("log-level", "INFO", "log level")
keyHex = fs.String("keyhex", "", "pass a private key in hex")
noUI = fs.Bool("no-ui", false, "disable UI")
// flags acting like commands
createKeyPair = fs.Bool("create-key-pair", false, "creates and prints a key pair instead of running")
addContact = fs.String("add-contact", "", "add contact using format: type,name[,public-key] where type can be 'private' or 'public' and 'public-key' is required for 'private' type")
// flags for in-proc node
dataDir = fs.String("data-dir", filepath.Join(os.TempDir(), "status-term-client"), "data directory for Ethereum node")
noNamespace = fs.Bool("no-namespace", false, "disable data dir namespacing with public key")
fleet = fs.String("fleet", params.FleetBeta, fmt.Sprintf("Status nodes cluster to connect to: %s", []string{params.FleetBeta, params.FleetStaging}))
configFile = fs.String("node-config", "", "a JSON file with node config")
pfsEnabled = fs.Bool("pfs", false, "enable PFS")
// flags for external node
providerURI = fs.String("provider", "", "an URI pointing at a provider")
)
func main() {
if err := ff.Parse(fs, os.Args[1:]); err != nil {
exitErr(errors.Wrap(err, "failed to parse flags"))
}
if *createKeyPair {
key, err := crypto.GenerateKey()
if err != nil {
exitErr(err)
}
fmt.Printf("Your private key: %#x\n", crypto.FromECDSA(key))
os.Exit(0)
}
var privateKey *ecdsa.PrivateKey
if *keyHex != "" {
k, err := crypto.HexToECDSA(strings.TrimPrefix(*keyHex, "0x"))
if err != nil {
exitErr(err)
}
privateKey = k
} else {
k, err := crypto.GenerateKey()
if err != nil {
exitErr(err)
}
privateKey = k
fmt.Printf("Starting with a new private key: %#x\n", crypto.FromECDSA(privateKey))
}
// Prefix data directory with a public key.
// This is required because it's not possible
// or adviced to share data between different
// key pairs.
if !*noNamespace {
*dataDir = filepath.Join(
*dataDir,
hex.EncodeToString(crypto.FromECDSAPub(&privateKey.PublicKey)[:20]),
)
}
err := os.MkdirAll(*dataDir, 0755)
if err != nil {
exitErr(err)
} else {
fmt.Printf("Starting in %s\n", *dataDir)
}
// Setup logging by splitting it into a client.log
// with status-console-client logs and status.log
// with Status Node logs.
clientLogPath := filepath.Join(*dataDir, "client.log")
clientLogFile, err := os.OpenFile(clientLogPath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
if err != nil {
exitErr(err)
}
log.SetOutput(clientLogFile)
nodeLogPath := filepath.Join(*dataDir, "status.log")
err = logutils.OverrideRootLog(true, *logLevel, logutils.FileOptions{Filename: nodeLogPath}, false)
if err != nil {
exitErr(fmt.Errorf("failed to override root log: %v", err))
}
// Create a database.
// TODO(adam): currently, we use an address as a db encryption key.
// It should be configurable.
dbKey := crypto.PubkeyToAddress(privateKey.PublicKey).String()
dbPath := filepath.Join(*dataDir, "db.sql")
db, err := client.InitializeDB(dbPath, dbKey)
if err != nil {
exitErr(err)
}
defer db.Close()
// Log the current contact info in two places for easy retrieval.
fmt.Printf("Contact address: %#x\n", crypto.FromECDSAPub(&privateKey.PublicKey))
log.Printf("contact address: %#x", crypto.FromECDSAPub(&privateKey.PublicKey))
// Manage initial contacts.
if contacts, err := db.Contacts(); len(contacts) == 0 || err != nil {
debugContacts := []client.Contact{
{Name: "status", Type: client.ContactPublicRoom, Topic: "status"},
{Name: "status-core", Type: client.ContactPublicRoom, Topic: "status-core"},
}
uniqueContacts := []client.Contact{}
for _, c := range debugContacts {
exist, err := db.ContactExist(c)
if err != nil {
exitErr(err)
}
if !exist {
uniqueContacts = append(uniqueContacts, c)
}
}
if len(uniqueContacts) != 0 {
if err := db.SaveContacts(uniqueContacts); err != nil {
exitErr(err)
}
}
}
// Handle add contact.
if *addContact != "" {
options := strings.Split(*addContact, ",")
var c client.Contact
if len(options) == 2 && options[0] == "public" {
c = client.Contact{
Name: options[1],
Type: client.ContactPublicRoom,
Topic: options[1],
}
} else if len(options) == 3 && options[0] == "private" {
c, err = client.ContactWithPublicKey(options[1], options[2])
if err != nil {
exitErr(err)
}
} else {
exitErr(errors.Errorf("invalid -add-contact value"))
}
exists, err := db.ContactExist(c)
if err != nil {
exitErr(err)
}
if !exists {
if err := db.SaveContacts([]client.Contact{c}); err != nil {
exitErr(err)
}
}
}
// initialize protocol
var (
messenger *client.MessengerV2
)
if *providerURI != "" {
messenger, err = createMessengerWithURI(*providerURI, privateKey, db)
if err != nil {
exitErr(err)
}
} else {
messenger, err = createMessengerInProc(privateKey, db)
if err != nil {
exitErr(err)
}
}
// run in a goroutine to show the UI faster
go func() {
if err := messenger.Start(); err != nil {
exitErr(err)
}
}()
done := make(chan bool, 1)
sigs := make(chan os.Signal, 1)
ossignal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
go func() {
sig := <-sigs
log.Printf("received signal: %v", sig)
done <- true
}()
log.Printf("starting UI...")
if !*noUI {
go func() {
<-done
exitErr(errors.New("exit with signal"))
}()
if err := setupGUI(privateKey, messenger); err != nil {
exitErr(err)
}
if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
exitErr(err)
}
g.Close()
} else {
<-done
}
}
func exitErr(err error) {
if g != nil {
g.Close()
}
fmt.Println(err)
os.Exit(1)
}
type keysGetter struct {
privateKey *ecdsa.PrivateKey
}
func (k keysGetter) PrivateKey() (*ecdsa.PrivateKey, error) {
return k.privateKey, nil
}
func createMessengerWithURI(uri string, pk *ecdsa.PrivateKey, db client.Database) (*client.MessengerV2, error) {
rpc, err := rpc.Dial(*providerURI)
if err != nil {
return nil, errors.Wrap(err, "failed to dial")
}
// TODO: provide Mail Servers in a different way.
nodeConfig, err := generateStatusNodeConfig(*dataDir, *fleet, *configFile)
if err != nil {
return nil, errors.Wrap(err, "failed to generate node config")
}
proto := adapters.NewWhisperClientAdapter(
rpc,
pk,
nodeConfig.ClusterConfig.TrustedMailServers,
)
messenger := client.NewMessengerV2(pk, proto, db)
return &messenger, nil
}
func createMessengerInProc(pk *ecdsa.PrivateKey, db client.Database) (*client.MessengerV2, error) {
// collect mail server request signals
signalsForwarder := newSignalForwarder()
go signalsForwarder.Start()
// setup signals handler
signal.SetDefaultNodeNotificationHandler(
filterMailTypesHandler(signalsForwarder.in),
)
nodeConfig, err := generateStatusNodeConfig(*dataDir, *fleet, *configFile)
if err != nil {
exitErr(errors.Wrap(err, "failed to generate node config"))
}
statusNode := node.New()
protocolGethService := gethservice.New(
statusNode,
&keysGetter{privateKey: pk},
)
services := []gethnode.ServiceConstructor{
func(ctx *gethnode.ServiceContext) (gethnode.Service, error) {
return protocolGethService, nil
},
}
if err := statusNode.Start(nodeConfig, services...); err != nil {
return nil, errors.Wrap(err, "failed to start node")
}
shhService, err := statusNode.WhisperService()
if err != nil {
return nil, errors.Wrap(err, "failed to get Whisper service")
}
adapter := adapters.NewWhisperServiceAdapter(statusNode, shhService, pk)
messenger := client.NewMessengerV2(pk, adapter, db)
protocolGethService.SetProtocol(adapter)
protocolGethService.SetMessenger(&messenger)
// TODO: should be removed from StatusNode
if *pfsEnabled {
databasesDir := filepath.Join(*dataDir, "databases")
if err := os.MkdirAll(databasesDir, 0755); err != nil {
exitErr(errors.Wrap(err, "failed to create databases dir"))
}
if err := adapter.InitPFS(databasesDir); err != nil {
exitErr(errors.Wrap(err, "initialize PFS"))
}
log.Printf("PFS has been initialized")
}
return &messenger, nil
}
func setupGUI(privateKey *ecdsa.PrivateKey, messenger *client.MessengerV2) error {
var err error
// global
g, err = gocui.NewGui(gocui.Output256)
if err != nil {
return err
}
// prepare views
vm := NewViewManager(nil, g)
notifications := NewNotificationViewController(&ViewController{vm, g, ViewNotification})
chat := NewChatViewController(
&ViewController{vm, g, ViewChat},
privateKey,
messenger,
func(err error) {
_ = notifications.Error("Chat error", fmt.Sprintf("%v", err))
},
)
contacts := NewContactsViewController(&ViewController{vm, g, ViewContacts}, messenger)
if err := contacts.LoadAndRefresh(); err != nil {
return err
}
inputMultiplexer := NewInputMultiplexer()
inputMultiplexer.AddHandler(DefaultMultiplexerPrefix, func(b []byte) error {
log.Printf("default multiplexer handler")
return chat.Send(b)
})
inputMultiplexer.AddHandler("/contact", ContactCmdFactory(contacts))
inputMultiplexer.AddHandler("/request", RequestCmdFactory(chat))
views := []*View{
&View{
Name: ViewContacts,
Enabled: true,
Cursor: true,
Highlight: true,
SelBgColor: gocui.ColorGreen,
SelFgColor: gocui.ColorBlack,
TopLeft: func(maxX, maxY int) (int, int) { return 0, 0 },
BottomRight: func(maxX, maxY int) (int, int) {
return int(math.Floor(float64(maxX) * 0.2)), maxY - 4
},
Keybindings: []Binding{
Binding{
Key: gocui.KeyArrowDown,
Mod: gocui.ModNone,
Handler: CursorDownHandler,
},
Binding{
Key: gocui.KeyArrowUp,
Mod: gocui.ModNone,
Handler: CursorUpHandler,
},
Binding{
Key: gocui.KeyEnter,
Mod: gocui.ModNone,
Handler: GetLineHandler(func(idx int, _ string) error {
contact, ok := contacts.ContactByIdx(idx)
if !ok {
return errors.New("contact could not be found")
}
// We need to call Select asynchronously,
// otherwise the main thread is blocked
// and nothing is rendered.
go func() {
if err := chat.Select(contact); err != nil {
log.Printf("[GetLineHandler] error selecting a chat: %v", err)
}
}()
return nil
}),
},
},
},
&View{
Name: ViewChat,
Enabled: true,
Cursor: true,
Autoscroll: false,
Highlight: true,
Wrap: true,
SelBgColor: gocui.ColorGreen,
SelFgColor: gocui.ColorBlack,
TopLeft: func(maxX, maxY int) (int, int) {
return int(math.Ceil(float64(maxX) * 0.2)), 0
},
BottomRight: func(maxX, maxY int) (int, int) {
return maxX - 1, maxY - 4
},
Keybindings: []Binding{
Binding{
Key: gocui.KeyArrowDown,
Mod: gocui.ModNone,
Handler: CursorDownHandler,
},
Binding{
Key: gocui.KeyArrowUp,
Mod: gocui.ModNone,
Handler: CursorUpHandler,
},
Binding{
Key: gocui.KeyHome,
Mod: gocui.ModNone,
Handler: func(g *gocui.Gui, v *gocui.View) error {
params, err := chat.RequestOptions(false)
if err != nil {
return err
}
if err := notifications.Debug("Messages request", fmt.Sprintf("%v", params)); err != nil {
return err
}
// RequestMessages needs to be called asynchronously,
// otherwise the main thread is blocked
// and nothing is rendered.
go func() {
if err := chat.RequestMessages(params); err != nil {
_ = notifications.Error("Request failed", fmt.Sprintf("%v", err))
}
}()
return HomeHandler(g, v)
},
},
Binding{
Key: gocui.KeyEnd,
Mod: gocui.ModNone,
Handler: EndHandler,
},
},
},
&View{
Name: ViewInput,
Enabled: true,
Editable: true,
Cursor: true,
Highlight: true,
TopLeft: func(maxX, maxY int) (int, int) {
return 0, maxY - 3
},
BottomRight: func(maxX, maxY int) (int, int) {
return maxX - 1, maxY - 1
},
Keybindings: []Binding{
Binding{
Key: gocui.KeyEnter,
Mod: gocui.ModNone,
Handler: inputMultiplexer.BindingHandler,
},
Binding{
Key: gocui.KeyEnter,
Mod: gocui.ModAlt,
Handler: MoveToNewLineHandler,
},
},
},
&View{
Name: ViewNotification,
Enabled: false,
Editable: false,
Cursor: false,
Highlight: true,
TopLeft: func(maxX, maxY int) (int, int) {
return maxX/2 - 50, maxY / 2
},
BottomRight: func(maxX, maxY int) (int, int) {
return maxX/2 + 50, maxY/2 + 2
},
Keybindings: []Binding{
Binding{
Key: gocui.KeyEnter,
Mod: gocui.ModNone,
Handler: func(g *gocui.Gui, v *gocui.View) error {
log.Printf("Notification Enter binding")
if err := vm.DisableView(ViewNotification); err != nil {
return err
}
if err := vm.DeleteView(ViewNotification); err != nil {
return err
}
return nil
},
},
},
},
}
bindings := []Binding{
Binding{
Key: gocui.KeyCtrlC,
Mod: gocui.ModNone,
Handler: QuitHandler,
},
Binding{
Key: gocui.KeyTab,
Mod: gocui.ModNone,
Handler: NextViewHandler(vm),
},
}
if err := vm.SetViews(views); err != nil {
return err
}
if err := vm.SetGlobalKeybindings(bindings); err != nil {
return err
}
return nil
}