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// Copyright (C) 2018-2020 LEAP
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package bitmask
import (
"log"
"os"
"path"
"0xacab.org/leap/bitmask-vpn/pkg/config"
"0xacab.org/leap/bitmask-vpn/pkg/vpn"
)
type ProviderInfo struct {
Provider string
AppName string
}
type ProviderOpts struct {
Provider string `json:"name"`
AppName string `json:"applicationName"`
BinaryName string `json:"binaryName"`
Auth string `json:"auth"`
AuthEmptyPass bool `json:"authEmptyPass"`
ProviderURL string `json:"providerURL"`
DonateURL string `json:"donateURL"`
ApiURL string `json:"apiURL"`
TosURL string `json:"tosURL"`
HelpURL string `json:"helpURL"`
GeolocationURL string `json:"geolocationAPI"`
AskForDonations bool `json:"askForDonations"`
CaCert string `json:"caCertString"`
}
func GetConfiguredProvider() *ProviderInfo {
provider := config.Provider
appName := config.ApplicationName
return &ProviderInfo{provider, appName}
}
func ConfigureProvider(opts *ProviderOpts) {
config.Provider = opts.ProviderURL
config.ApplicationName = opts.AppName
config.BinaryName = opts.BinaryName
config.Auth = opts.Auth
config.GeolocationAPI = opts.GeolocationURL
config.APIURL = opts.ApiURL
config.CaCert = []byte(opts.CaCert)
}
func InitializeLogger() {
_, err := config.ConfigureLogger(path.Join(config.LogPath))
if err != nil {
log.Println("Can't configure logger: ", err)
}
}
func initBitmaskVPN() (Bitmask, error) {
b, err := vpn.Init()
if err != nil {
log.Printf("An error ocurred starting bitmask vpn: %v", err)
}
return b, err
}
func InitializeBitmask(conf *config.Config) (Bitmask, error) {
if conf.SkipLaunch {
log.Println("Initializing bitmask, but not launching it...")
}
if _, err := os.Stat(config.Path); os.IsNotExist(err) {
os.MkdirAll(config.Path, os.ModePerm)
}
b, err := initBitmaskVPN()
if err != nil {
return nil, err
}
b.SetProvider(config.Provider)
err = setTransport(b, conf)
if err != nil {
return nil, err
}
err = setUDP(b, conf)
if err != nil {
return nil, err
}
if !conf.SkipLaunch {
err := maybeStartVPN(b, conf)
if err != nil {
// we don't want this error to avoid initialization of
// the bitmask object. If we cannot autostart it's not
// so terrible.
log.Println("Error starting VPN: ", err)
}
}
return b, nil
}
func setTransport(b Bitmask, conf *config.Config) error {
if conf.Obfs4 {
log.Printf("Use transport Obfs4")
err := b.SetTransport("obfs4")
if err != nil {
log.Printf("Error setting transport: %v", err)
return err
}
}
return nil
}
func setUDP(b Bitmask, conf *config.Config) error {
if conf.UDP {
log.Printf("Use UDP")
err := b.UseUDP(true)
if err != nil {
log.Printf("Error setting UDP: %v", err)
return err
}
}
return nil
}
func maybeStartVPN(b Bitmask, conf *config.Config) error {
if !conf.StartVPN {
return nil
}
if b.CanStartVPN() {
err := b.StartVPN(config.Provider)
conf.SetUserStoppedVPN(false)
return err
}
return nil
}
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