refactor: no more pmapifactory

pkg/config/pmapi_prod.go

@@ -0,0 +1,50 @@
+// 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/>.
+
+// +build pmapi_prod
+
+package config
+
+import (
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/ProtonMail/proton-bridge/internal/events"
+	"github.com/ProtonMail/proton-bridge/pkg/listener"
+	"github.com/ProtonMail/proton-bridge/pkg/pmapi"
+)
+
+func (c *Config) GetAPIConfig() *pmapi.ClientConfig {
+	return &pmapi.ClientConfig{
+		AppVersion:       strings.Title(c.appName) + "_" + c.version,
+		ClientID:         c.appName,
+		Timeout:          10 * time.Minute, // Overall request timeout (~25MB / 10 mins => ~40kB/s, should be reasonable).
+		FirstReadTimeout: 30 * time.Second, // 30s to match 30s response header timeout.
+		MinSpeed:         1 << 13,          // Enforce minimum download speed of 8kB/s.
+	}
+}
+
+func (c *Config) GetRoundTripper(cm *pmapi.ClientManager, listener listener.Listener) http.RoundTripper {
+	pin := pmapi.NewDialerWithPinning(cm, c.GetAPIConfig().AppVersion)
+
+	pin.ReportCertIssueLocal = func() {
+		listener.Emit(events.TLSCertIssue, "")
+	}
+
+	return pin.TransportWithPinning()
+}