135 lines
4.0 KiB
Go
135 lines
4.0 KiB
Go
// package main is the main package for the LapisDeploy program
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package main
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import (
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"context"
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"log"
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"strings"
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"time"
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"maunium.net/go/mautrix"
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"maunium.net/go/mautrix/event"
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"maunium.net/go/mautrix/format"
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"maunium.net/go/mautrix/id"
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)
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// MatrixMessage stores information about a matrix message.
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type MatrixMessage struct {
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text string
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level int
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}
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// MatrixCommandCallback is a function that gets called when the bot is issued a command over Matrix
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type MatrixCommandCallback func(ctx context.Context, evt *event.Event, args []string) string
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// MatrixCommand stores information about a matrix chat command
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type MatrixCommand struct {
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cmd string
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callback MatrixCommandCallback
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description string
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}
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// Output queue
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var MatrixOut []MatrixMessage
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// sendMessage sends a message through Matrix
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func sendMessage(msg MatrixMessage) {
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MatrixOut = append(MatrixOut, msg)
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}
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// initMatrix starts a Matrix bot.
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func initMatrix() {
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client, err := mautrix.NewClient(configuration.matrix.homeserver, "", "")
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if err != nil {
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log.Fatal(err)
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}
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resp, err := client.Login(context.Background(), &mautrix.ReqLogin{
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Type: "m.login.password",
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Identifier: mautrix.UserIdentifier{Type: mautrix.IdentifierTypeUser, User: configuration.matrix.username},
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Password: configuration.matrix.password,
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StoreCredentials: true,
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})
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if err != nil {
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log.Panic(err)
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}
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log.Printf("[Matrix] Logged in as %s", resp.UserID)
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syncer := client.Syncer.(*mautrix.DefaultSyncer)
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client.Syncer.(mautrix.ExtensibleSyncer).OnSync(client.DontProcessOldEvents)
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syncer.OnEventType(event.StateMember, func(ctx context.Context, evt *event.Event) {
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if evt.GetStateKey() == client.UserID.String() && evt.Content.AsMember().Membership == event.MembershipInvite {
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if evt.RoomID.String() == configuration.matrix.room_id {
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_, err := client.JoinRoomByID(ctx, evt.RoomID)
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if err == nil {
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log.Printf("[Matrix] Joined room '%s' (Invited by '%s')", evt.RoomID.String(), evt.Sender.String())
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} else {
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log.Printf("[Matrix] Failed to join room '%s' after invite (Invited by '%s')", evt.RoomID.String(), evt.Sender.String())
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}
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} else {
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log.Printf("[Matrix] Rejected invite to room '%s' (Invited by '%s')", evt.RoomID.String(), evt.Sender.String())
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}
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}
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})
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syncer.OnEventType(event.EventMessage, func(ctx context.Context, evt *event.Event) {
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if evt.RoomID.String() == configuration.matrix.room_id {
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prefixes := []string{"!", configuration.matrix.username + " "}
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for _, prefix := range prefixes {
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if strings.HasPrefix(evt.Content.AsMessage().Body, prefix) {
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msg := evt.Content.AsMessage().Body
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cmd := strings.TrimPrefix(strings.Split(msg, " ")[0], prefix)
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found_command := false
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for _, command := range Chatcommands {
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if command.cmd == cmd {
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found_command = true
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out := command.callback(ctx, evt, strings.Split(strings.TrimPrefix(msg, prefix+cmd), " "))
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content := format.RenderMarkdown(out, true, false)
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content.SetReply(evt)
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client.SendMessageEvent(ctx, evt.RoomID, event.EventMessage, content)
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}
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}
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if !found_command {
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client.SendText(ctx, evt.RoomID, Circles["red"]+"Command not found")
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}
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break
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}
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}
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}
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})
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registerChatCommands() // Register all the chat commands defined inside matrix_commands.go
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go func() {
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for range time.Tick(time.Second * 2) {
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log.Printf("Scanning for queued messages...")
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if len(MatrixOut) > 0 {
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text := ""
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for i, msg := range MatrixOut {
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text += msg.text
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if i != len(MatrixOut) {
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text += "\n"
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}
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}
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MatrixOut = []MatrixMessage{}
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_, err := client.SendMessageEvent(context.Background(),
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id.RoomID(configuration.matrix.room_id),
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event.EventMessage,
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format.RenderMarkdown(text, true, false),
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)
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if err != nil {
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log.Printf("[Matrix] ERROR : %s", err)
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continue
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}
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log.Print("[Matrix] Sent queued message(s) successfully.")
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}
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}
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}()
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go func() {
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log.Print("[Matrix] Running!")
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err = client.Sync()
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if err != nil {
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log.Fatal(err)
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}
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}()
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}
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