We build too many walls and not enough bridges

internal/events/events.go

@@ -0,0 +1,53 @@
+// Copyright (c) 2020 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail 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.
+//
+// ProtonMail 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 ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+// Package events provides names of events used by the event listener in bridge.
+package events
+
+import (
+	"time"
+
+	"github.com/ProtonMail/proton-bridge/pkg/listener"
+)
+
+// Constants of events used by the event listener in bridge.
+const (
+	ErrorEvent                   = "error"
+	CloseConnectionEvent         = "closeConnection"
+	LogoutEvent                  = "logout"
+	AddressChangedEvent          = "addressChanged"
+	AddressChangedLogoutEvent    = "addressChangedLogout"
+	UserRefreshEvent             = "userRefresh"
+	RestartBridgeEvent           = "restartBridge"
+	InternetOffEvent             = "internetOff"
+	InternetOnEvent              = "internetOn"
+	SecondInstanceEvent          = "secondInstance"
+	OutgoingNoEncEvent           = "outgoingNoEncryption"
+	NoActiveKeyForRecipientEvent = "noActiveKeyForRecipient"
+	UpgradeApplicationEvent      = "upgradeApplication"
+	TLSCertIssue                 = "tlsCertPinningIssue"
+
+	// LogoutEventTimeout is the minimum time to permit between logout events being sent.
+	LogoutEventTimeout = 3 * time.Minute
+)
+
+// SetupEvents specific to event type and data.
+func SetupEvents(listener listener.Listener) {
+	listener.SetLimit(LogoutEvent, LogoutEventTimeout)
+	listener.SetBuffer(TLSCertIssue)
+	listener.SetBuffer(ErrorEvent)
+}