mirror of
https://github.com/ProtonMail/proton-bridge.git
synced 2025-12-10 04:36:43 +00:00
107 lines
3.2 KiB
Go
107 lines
3.2 KiB
Go
// Copyright (c) 2025 Proton AG
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//
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// This file is part of Proton Mail Bridge.
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//
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// Proton Mail 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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// Proton Mail 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 Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package focus
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import (
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"context"
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"fmt"
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"net"
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"path/filepath"
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"github.com/Masterminds/semver/v3"
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"github.com/ProtonMail/proton-bridge/v3/internal/focus/proto"
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"github.com/ProtonMail/proton-bridge/v3/internal/service"
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"github.com/sirupsen/logrus"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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"google.golang.org/protobuf/types/known/emptypb"
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"google.golang.org/protobuf/types/known/wrapperspb"
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)
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// TryRaise tries to raise the application by dialing the focus service.
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// It returns true if the service is running and the application was told to raise.
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func TryRaise(settingsPath string) bool {
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var raised bool
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if err := withClientConn(context.Background(), settingsPath, func(ctx context.Context, client proto.FocusClient) error {
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if _, err := client.Raise(ctx, &wrapperspb.StringValue{Value: "TryRaise"}); err != nil {
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return fmt.Errorf("failed to call client.Raise: %w", err)
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}
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raised = true
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return nil
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}); err != nil {
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logrus.WithError(err).Debug("Failed to raise application")
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return false
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}
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return raised
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}
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// TryVersion tries to determine the version of the running application instance.
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// It returns the version and true if the version could be determined.
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func TryVersion(settingsPath string) (*semver.Version, bool) {
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var version *semver.Version
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if err := withClientConn(context.Background(), settingsPath, func(ctx context.Context, client proto.FocusClient) error {
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raw, err := client.Version(ctx, &emptypb.Empty{})
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if err != nil {
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return fmt.Errorf("failed to call client.Version: %w", err)
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}
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parsed, err := semver.NewVersion(raw.GetVersion())
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if err != nil {
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return fmt.Errorf("failed to parse version: %w", err)
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}
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version = parsed
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return nil
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}); err != nil {
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logrus.WithError(err).Debug("Failed to determine version of running instance")
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return nil, false
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}
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return version, true
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}
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func withClientConn(ctx context.Context, settingsPath string, fn func(context.Context, proto.FocusClient) error) error {
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var config = service.Config{}
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err := config.Load(filepath.Join(settingsPath, serverConfigFileName))
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if err != nil {
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return err
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}
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cc, err := grpc.DialContext(
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ctx,
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net.JoinHostPort(Host, fmt.Sprint(config.Port)),
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grpc.WithTransportCredentials(insecure.NewCredentials()),
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)
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if err != nil {
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return err
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}
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defer func() {
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if err := cc.Close(); err != nil {
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logrus.WithError(err).Warn("Failed to close focus connection")
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}
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}()
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return fn(ctx, proto.NewFocusClient(cc))
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}
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