205 lines
5.5 KiB
Go
205 lines
5.5 KiB
Go
// Copyright (c) 2021 Proton Technologies AG
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//
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// This file is part of ProtonMail Bridge.
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//
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// ProtonMail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ProtonMail Bridge is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package main
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import (
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"github.com/Masterminds/semver/v3"
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"github.com/ProtonMail/gopenpgp/v2/crypto"
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"github.com/ProtonMail/proton-bridge/internal/config/useragent"
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"github.com/ProtonMail/proton-bridge/internal/constants"
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"github.com/ProtonMail/proton-bridge/internal/crash"
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"github.com/ProtonMail/proton-bridge/internal/locations"
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"github.com/ProtonMail/proton-bridge/internal/logging"
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"github.com/ProtonMail/proton-bridge/internal/sentry"
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"github.com/ProtonMail/proton-bridge/internal/updater"
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"github.com/ProtonMail/proton-bridge/internal/versioner"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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)
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const (
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appName = "ProtonMail Launcher"
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configName = "bridge"
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exeName = "proton-bridge"
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)
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func main() { // nolint[funlen]
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reporter := sentry.NewReporter(appName, constants.Version, useragent.New())
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crashHandler := crash.NewHandler(reporter.ReportException)
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defer crashHandler.HandlePanic()
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locationsProvider, err := locations.NewDefaultProvider(filepath.Join(constants.VendorName, configName))
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if err != nil {
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logrus.WithError(err).Fatal("Failed to get locations provider")
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}
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locations := locations.New(locationsProvider, configName)
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logsPath, err := locations.ProvideLogsPath()
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if err != nil {
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logrus.WithError(err).Fatal("Failed to get logs path")
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}
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crashHandler.AddRecoveryAction(logging.DumpStackTrace(logsPath))
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if err := logging.Init(logsPath); err != nil {
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logrus.WithError(err).Fatal("Failed to setup logging")
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}
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logging.SetLevel(os.Getenv("VERBOSITY"))
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updatesPath, err := locations.ProvideUpdatesPath()
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if err != nil {
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logrus.WithError(err).Fatal("Failed to get updates path")
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}
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key, err := crypto.NewKeyFromArmored(updater.DefaultPublicKey)
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if err != nil {
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logrus.WithError(err).Fatal("Failed to create new verification key")
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}
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kr, err := crypto.NewKeyRing(key)
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if err != nil {
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logrus.WithError(err).Fatal("Failed to create new verification keyring")
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}
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versioner := versioner.New(updatesPath)
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exe, err := getPathToUpdatedExecutable(exeName, versioner, kr, reporter)
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if err != nil {
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if exe, err = getFallbackExecutable(exeName, versioner); err != nil {
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logrus.WithError(err).Fatal("Failed to find any launchable executable")
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}
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}
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launcher, err := os.Executable()
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if err != nil {
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logrus.WithError(err).Fatal("Failed to determine path to launcher")
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}
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cmd := exec.Command(exe, appendLauncherPath(launcher, os.Args[1:])...) // nolint[gosec]
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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// On windows, if you use Run(), a terminal stays open; we don't want that.
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if runtime.GOOS == "windows" {
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err = cmd.Start()
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} else {
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err = cmd.Run()
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}
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if err != nil {
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logrus.WithError(err).Fatal("Failed to launch")
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}
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}
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func appendLauncherPath(path string, args []string) []string {
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res := append([]string{}, args...)
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hasFlag := false
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for k, v := range res {
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if v != "--launcher" {
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continue
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}
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hasFlag = true
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if k+1 >= len(res) {
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continue
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}
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res[k+1] = path
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}
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if !hasFlag {
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res = append(res, "--launcher", path)
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}
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return res
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}
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func getPathToUpdatedExecutable(
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name string,
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versioner *versioner.Versioner,
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kr *crypto.KeyRing,
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reporter *sentry.Reporter,
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) (string, error) {
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versions, err := versioner.ListVersions()
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if err != nil {
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return "", errors.Wrap(err, "failed to list available versions")
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}
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currentVersion, err := semver.StrictNewVersion(constants.Version)
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if err != nil {
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logrus.WithField("version", constants.Version).WithError(err).Error("Failed to parse current version")
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}
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for _, version := range versions {
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vlog := logrus.WithField("version", version)
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if err := version.VerifyFiles(kr); err != nil {
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vlog.WithError(err).Error("Files failed verification and will be removed")
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if err := reporter.ReportMessage(fmt.Sprintf("version %v failed verification: %v", version, err)); err != nil {
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vlog.WithError(err).Error("Failed to report corrupt update files")
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}
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if err := version.Remove(); err != nil {
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vlog.WithError(err).Error("Failed to remove files")
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}
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continue
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}
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// Skip versions that are less or equal to launcher version.
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if currentVersion != nil && !version.SemVer().GreaterThan(currentVersion) {
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continue
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}
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exe, err := version.GetExecutable(name)
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if err != nil {
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vlog.WithError(err).Error("Failed to get executable")
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continue
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}
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return exe, nil
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}
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return "", errors.New("no available newer versions")
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}
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func getFallbackExecutable(name string, versioner *versioner.Versioner) (string, error) {
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logrus.Info("Searching for fallback executable")
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launcher, err := os.Executable()
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if err != nil {
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return "", errors.Wrap(err, "failed to determine path to launcher")
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}
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return versioner.GetExecutableInDirectory(name, filepath.Dir(launcher))
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}
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