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85 lines
2.4 KiB
85 lines
2.4 KiB
// Copyright (c) 2022 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 api provides HTTP API of the Bridge. |
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// |
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// API endpoints: |
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// * /focus, see focusHandler |
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package api |
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import ( |
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"fmt" |
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"net/http" |
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"github.com/ProtonMail/proton-bridge/internal/bridge" |
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"github.com/ProtonMail/proton-bridge/internal/config/settings" |
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"github.com/ProtonMail/proton-bridge/internal/events" |
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"github.com/ProtonMail/proton-bridge/pkg/listener" |
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"github.com/ProtonMail/proton-bridge/pkg/ports" |
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"github.com/sirupsen/logrus" |
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) |
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var ( |
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log = logrus.WithField("pkg", "api") //nolint[gochecknoglobals] |
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) |
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type apiServer struct { |
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host string |
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settings *settings.Settings |
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eventListener listener.Listener |
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} |
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// NewAPIServer returns prepared API server struct. |
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func NewAPIServer(settings *settings.Settings, eventListener listener.Listener) *apiServer { //nolint[golint] |
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return &apiServer{ |
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host: bridge.Host, |
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settings: settings, |
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eventListener: eventListener, |
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} |
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} |
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// Starts the server. |
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func (api *apiServer) ListenAndServe() { |
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mux := http.NewServeMux() |
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mux.HandleFunc("/focus", wrapper(api, focusHandler)) |
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addr := api.getAddress() |
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server := &http.Server{ |
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Addr: addr, |
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Handler: mux, |
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} |
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log.Info("API listening at ", addr) |
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if err := server.ListenAndServe(); err != nil { |
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api.eventListener.Emit(events.ErrorEvent, "API failed: "+err.Error()) |
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log.Error("API failed: ", err) |
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} |
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defer server.Close() //nolint[errcheck] |
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} |
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func (api *apiServer) getAddress() string { |
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port := api.settings.GetInt(settings.APIPortKey) |
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newPort := ports.FindFreePortFrom(port) |
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if newPort != port { |
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api.settings.SetInt(settings.APIPortKey, newPort) |
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} |
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return getAPIAddress(api.host, newPort) |
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} |
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func getAPIAddress(host string, port int) string { |
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return fmt.Sprintf("%s:%d", host, port) |
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}
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