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/* All the exported functions should be added here */
package backend
import (
"C"
"encoding/json"
"log"
"os"
"strconv"
"strings"
"unsafe"
"0xacab.org/leap/bitmask-vpn/pkg/bitmask"
"0xacab.org/leap/bitmask-vpn/pkg/config/version"
"0xacab.org/leap/bitmask-vpn/pkg/pickle"
"0xacab.org/leap/bitmask-vpn/pkg/pid"
)
func Login(username, password string) {
success, err := ctx.bm.DoLogin(username, password)
if err != nil {
if err.Error() == "TokenErrTimeout" {
ctx.Errors = "bad_auth_timeout"
} else if err.Error() == "TokenErrBadStatus 502" {
ctx.Errors = "bad_auth_502"
} else {
log.Println("ERROR: bad login", err)
ctx.Errors = "bad_auth"
}
} else if success {
log.Printf("Logged in as %s", username)
ctx.LoginOk = true
ctx.LoginDialog = false
} else {
log.Printf("Failed to login as %s", username)
ctx.LoginDialog = true
ctx.Errors = "bad_auth"
}
// XXX shouldn't this be statusChanged?
go ctx.updateStatus()
}
func setError(err string) {
ctx.Errors = err
go setStatus(off)
go ctx.updateStatus()
}
func SwitchOn() {
go setStatus(starting)
go startVPN()
}
func SwitchOff() {
go setStatus(stopping)
go stopVPN()
}
func UseLocation(label string) {
if ctx.ManualLocation && label == ctx.CurrentLocation {
return
}
ctx.bm.UseGateway(label)
go trigger(OnStatusChanged)
if ctx.Status == on && label != strings.ToLower(ctx.CurrentLocation) {
go ctx.bm.Reconnect()
}
}
func UseAutomaticGateway() {
if !ctx.ManualLocation {
return
}
ctx.bm.UseAutomaticGateway()
go trigger(OnStatusChanged)
if ctx.Status == on {
ctx.bm.Reconnect()
}
}
func SetTransport(label string) {
err := ctx.bm.SetTransport(label)
if err != nil {
log.Println(err)
}
if label == "obfs4" {
// XXX this is an expedite way of avoiding the corner case
// in which user has selected a manual location that does not offer bridges.
// In the future, we can be more delicate and 1. do the switch only if the manual location
// is incompatible with obfs4; 2. notify the user of the change.
// But tonight we're in problem-solving mode, and we can assume that user wants to use bridges,
// no matter what. So let's assume that "use obfs4" supersedes everything else and be done.
UseAutomaticGateway()
ctx.cfg.SetUseObfs4(true)
} else {
ctx.cfg.SetUseObfs4(false)
}
go trigger(OnStatusChanged)
}
func SetUDP(udp bool) {
log.Printf("DEBUG udp:%v\n", udp)
ctx.cfg.SetUseUDP(udp)
ctx.bm.UseUDP(udp)
go trigger(OnStatusChanged)
}
func SetSnowflake(snowflake bool) {
log.Printf("DEBUG snowflake:%v\n", snowflake)
ctx.cfg.SetUseSnowflake(snowflake)
ctx.bm.UseSnowflake(snowflake)
go trigger(OnStatusChanged)
}
func GetTransport() *C.char {
return C.CString(ctx.bm.GetTransport())
}
func Quit() {
if ctx.autostart != nil {
ctx.autostart.Disable()
}
if ctx.Status != off {
go setStatus(stopping)
ctx.cfg.SetUserStoppedVPN(false)
} else {
ctx.cfg.SetUserStoppedVPN(true)
}
if ctx.bm != nil {
ctx.bm.Close()
}
pid.ReleasePID()
}
func DonateAccepted() {
donateAccepted()
}
func DonateSeen() {
donateSeen()
}
func SubscribeToEvent(event string, f unsafe.Pointer) {
subscribe(event, f)
}
type Providers struct {
Default string `json:"default"`
Data []bitmask.ProviderOpts `json:"providers"`
}
type InitOpts struct {
ProviderOptions *bitmask.ProviderOpts
SkipLaunch bool
Obfs4 bool
UDP bool
DisableAutostart bool
StartVPN string
}
func InitOptsFromJSON(provider, providersJSON string) *InitOpts {
providers := Providers{}
err := json.Unmarshal([]byte(providersJSON), &providers)
if err != nil {
log.Println("ERROR while parsing json:", err)
}
var providerOpts *bitmask.ProviderOpts
providerOpts = &providers.Data[0]
if len(providers.Data) != 1 {
chosenProvider := os.Getenv("LEAP_PROVIDER")
if chosenProvider != "" {
for _, p := range providers.Data {
if p.Provider == chosenProvider {
log.Println("Selecting provider: " + chosenProvider)
return &InitOpts{ProviderOptions: &p}
}
}
panic("BUG: unknown provider")
}
}
return &InitOpts{ProviderOptions: providerOpts}
}
func InitializeBitmaskContext(opts *InitOpts) {
bitmask.ConfigureProvider(opts.ProviderOptions)
initOnce.Do(func() { initializeContext(opts) })
if ctx.bm != nil {
ctx.LoginDialog = ctx.bm.NeedsCredentials()
go ctx.updateStatus()
}
if ctx.AskForDonations {
runDonationReminder()
}
}
func RefreshContext() *C.char {
c, _ := ctx.toJson()
return C.CString(string(c))
}
func ResetError(errname string) {
if ctx.Errors == errname {
ctx.Errors = ""
}
}
func ResetNotification(label string) {
switch label {
case "login_ok":
ctx.LoginOk = false
break
default:
break
}
go trigger(OnStatusChanged)
}
func InstallHelpers() {
pickle.InstallHelpers()
}
func EnableMockBackend() {
log.Println("[+] Mocking ui interaction on port 8080. \nTry 'curl localhost:8080/{on|off|failed}' to toggle status.")
go enableMockBackend()
}
func EnableWebAPI(port string) {
intPort, err := strconv.Atoi(port)
if err != nil {
log.Fatal("Cannot parse port", port)
}
go enableWebAPI(intPort)
}
func GetVersion() *C.char {
return C.CString(version.VERSION)
}
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