mirror of
https://github.com/tulir/mautrix-whatsapp
synced 2024-12-13 17:13:11 +01:00
125 lines
3.3 KiB
Go
125 lines
3.3 KiB
Go
// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
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// Copyright (C) 2018 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero 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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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package main
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import (
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"strings"
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"maunium.net/go/maulogger"
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"maunium.net/go/mautrix-appservice"
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"maunium.net/go/mautrix-whatsapp/types"
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)
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type CommandHandler struct {
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bridge *Bridge
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log maulogger.Logger
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}
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// NewCommandHandler creates a CommandHandler
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func NewCommandHandler(bridge *Bridge) *CommandHandler {
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return &CommandHandler{
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bridge: bridge,
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log: bridge.Log.Sub("Command handler"),
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}
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}
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// CommandEvent stores all data which might be used to handle commands
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type CommandEvent struct {
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Bot *appservice.IntentAPI
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Bridge *Bridge
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Handler *CommandHandler
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RoomID types.MatrixRoomID
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User *User
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Args []string
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}
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// Reply sends a reply to command as notice
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func (ce *CommandEvent) Reply(msg string) {
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_, err := ce.Bot.SendNotice(string(ce.RoomID), msg)
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if err != nil {
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ce.Handler.log.Warnfln("Failed to reply to command from %s: %v", ce.User.MXID, err)
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}
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}
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// Handle handles messages to the bridge
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func (handler *CommandHandler) Handle(roomID types.MatrixRoomID, user *User, message string) {
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args := strings.Split(message, " ")
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cmd := strings.ToLower(args[0])
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ce := &CommandEvent{
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Bot: handler.bridge.Bot,
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Bridge: handler.bridge,
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Handler: handler,
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RoomID: roomID,
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User: user,
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Args: args[1:],
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}
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switch cmd {
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case "login":
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handler.CommandLogin(ce)
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case "logout":
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handler.CommandLogout(ce)
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case "help":
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handler.CommandHelp(ce)
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default:
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ce.Reply("Unknown Command")
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}
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}
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const cmdLoginHelp = `login - Authenticate this Bridge as WhatsApp Web Client`
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// CommandLogin handles login command
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func (handler *CommandHandler) CommandLogin(ce *CommandEvent) {
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if ce.User.Session != nil {
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ce.Reply("You're already logged in.")
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return
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}
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ce.User.Connect(true)
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ce.User.Login(ce.RoomID)
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}
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const cmdLogoutHelp = `logout - Logout from WhatsApp`
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// CommandLogout handles !logout command
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func (handler *CommandHandler) CommandLogout(ce *CommandEvent) {
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if ce.User.Session == nil {
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ce.Reply("You're not logged in.")
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return
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}
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err := ce.User.Conn.Logout()
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if err != nil {
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ce.User.log.Warnln("Error while logging out:", err)
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ce.Reply("Error while logging out (see logs for details)")
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return
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}
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ce.User.Conn = nil
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ce.User.Session = nil
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ce.User.Update()
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ce.Reply("Logged out successfully.")
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}
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const cmdHelpHelp = `help - Prints this help`
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// CommandHelp handles help command
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func (handler *CommandHandler) CommandHelp(ce *CommandEvent) {
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cmdPrefix := handler.bridge.Config.Bridge.CommandPrefix + " "
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ce.Reply(strings.Join([]string{
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cmdPrefix + cmdHelpHelp,
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cmdPrefix + cmdLoginHelp,
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cmdPrefix + cmdLogoutHelp,
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}, "\n"))
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}
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