Add matrix bot support

integration/matrixbot/matrixbot.go

@@ -0,0 +1,51 @@
+// Copyright 2021 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package matrixbot // import "miniflux.app/integration/matrixbot"
+
+import (
+	"fmt"
+
+	"miniflux.app/logger"
+	"miniflux.app/model"
+
+	"github.com/matrix-org/gomatrix"
+)
+
+// PushEntry pushes entries to matrix chat using integration settings provided
+func PushEntries(entries model.Entries, serverURL, botLogin, botPassword, chatID string) error {
+	bot, err := gomatrix.NewClient(serverURL, "", "")
+	if err != nil {
+		return fmt.Errorf("matrixbot: bot creation failed: %w", err)
+	}
+
+	resp, err := bot.Login(&gomatrix.ReqLogin{
+		Type:     "m.login.password",
+		User:     botLogin,
+		Password: botPassword,
+	})
+
+	if err != nil {
+		logger.Debug("matrixbot: login failed: %w", err)
+		return fmt.Errorf("matrixbot: login failed, please check your credentials or turn on debug mode")
+	}
+
+	bot.SetCredentials(resp.UserID, resp.AccessToken)
+	defer func() {
+		bot.Logout()
+		bot.ClearCredentials()
+	}()
+
+	message := ""
+	for _, entry := range entries {
+		message = message + entry.Title + " " + entry.URL + "\n"
+	}
+
+	if _, err = bot.SendText(chatID, message); err != nil {
+		logger.Debug("matrixbot: sending message failed: %w", err)
+		return fmt.Errorf("matrixbot: sending message failed, turn on debug mode for more informations")
+	}
+
+	return nil
+}