GODT-1554 / 1555: Implement gRPC go service and Qt 5 frontend C++ app.

WIP: updates

WIP: cache on disk and autostart.

WIP: mail, keychain and more.

WIP: updated grpc version in go mod file.

WIP: user list.

WIP: RPC service placeholder

WIP: test C++ RPC client skeleton.

Other: missing license script update.

WIP: use Qt test framework.

WIP: test for app and login calls.

WIP: test for update & cache on disk calls.

WIP: tests for mail settings calls.

WIP: all client tests.

WIP: linter fixes.

WIP: fix missing license link.

WIP: update dependency_license script for gRPC and protobuf.

WIP: removed unused file.

WIP: app & login event streaming tests.

WIP: update event stream tests.

WIP: completed event streaming tests.

GODT-1554: qt C++ frontend skeleton.

WIP: C++ backend declaration.

wip: started drafting user model.

WIP: users. not functional.

WIP: invokable methods

WIP: Exception class + backend 'injection' into QML.

WIP: switch to VCPKG to ease multi-arch compilation,  C++ RPC client skeleton.

WIP: Renaming and reorganisation

WIP:introduced new 'grpc' go frontend.

WIP: Worker & Oveerseer for thread management.

WIP: added log to C++ app.

WIP: event stream architecture on Go side.

WIP: event parsing and streamer stopping.

WIP: Moved grpc to frontend subfolder + use vcpkg for gRPC and protobuf.

WIP: windows building ok

WIP: wired a few messages

WIP: more wiring.

WIP: Fixed imports after rebase on top of devel.

WIP: wired some bool and string properties.

WIP: more properties.

WIP: wired cache on disk stuff

WIP: connect event watcher.

WIP: login

WIP: fix showSplashScreen

WIP: Wired login calls.

WIP: user list.

WIP: Refactored main().

WIP: User retrieval .

WIP: no shared pointer in user model.

WIP: fixed user count.

WIP: cached goos.

WIP: Wired autostart

WIP: beta channel toggle wired.

WIP: User removal

WIP: wired theme

WIP: implemented configure apple mail.

WIP: split mode.

WIP: fixed user updates.

WIP: fixed Quit from tray icon

WIP: wired CurrentEmailClient

WIP: wired UseSSLForSMTP

WIP: wired change ports .

WIP: wired DoH. .

WIP: wired keychain calls.

WIP: wired autoupdate option.

WIP: QML Backend clean-up.

WIP: cleanup.

WIP: moved user related files in subfolder. .

WIP: User are managed using smart pointers.

WIP: cleanup.

WIP: more cleanup.

WIP: mail events forwarding

WIP: code inspection tweaks from CLion.

WIP: moved QML, cleanup, and missing copyright notices.

WIP: Backend is not QMLBackend.

Other: fixed issues reported by Leander. [skip ci]

internal/frontend/grpc/certs.go

@@ -0,0 +1,69 @@
+// Copyright (c) 2022 Proton AG
+//
+// This file is part of Proton Mail Bridge.Bridge.
+//
+// Proton Mail Bridge 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.
+//
+// Proton Mail Bridge 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 Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+package grpc
+
+//goland:noinspection SpellCheckingInspection
+const (
+	serverCert = `-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----`
+
+	serverKey = `-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----`
+)