202 lines
5.5 KiB
Go
202 lines
5.5 KiB
Go
package main
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import (
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"context"
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"errors"
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"fmt"
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"github.com/chzyer/readline"
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_ "github.com/mattn/go-sqlite3"
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"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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"github.com/sashabaranov/go-openai"
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"golang.org/x/exp/slog"
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"maunium.net/go/mautrix"
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"maunium.net/go/mautrix/crypto/cryptohelper"
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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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"os"
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"os/signal"
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"sync"
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"time"
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)
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func main() {
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logger := slog.New(slog.NewTextHandler(os.Stderr, nil))
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MatrixHomeserver, ok := os.LookupEnv("MATRIX_HOMESERVER")
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if !ok {
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logger.Error("MATRIX_HOME_SERVER is not set!")
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os.Exit(1)
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}
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MatrixUserIDStr, ok := os.LookupEnv("MATRIX_USER_ID")
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if !ok {
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logger.Error("MATRIX_USER_ID is not set")
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os.Exit(1)
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}
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MatrixUserID := id.UserID(MatrixUserIDStr)
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MatrixAccessKey, ok := os.LookupEnv("MATRIX_ACCESS_KEY")
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if !ok {
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logger.Error("MATRIX_ACCESS_KEY is not set")
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os.Exit(1)
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}
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MatrixPassword, ok := os.LookupEnv("MATRIX_PASSWORD")
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if !ok {
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logger.Error("MATRIX_PASSWORD is not set")
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os.Exit(1)
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}
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BotDatabasePath, ok := os.LookupEnv("BOT_DATABASE_PATH")
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if !ok {
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logger.Error("BOT_DATABASE_PATH is not set")
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os.Exit(1)
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}
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BotPickle, ok := os.LookupEnv("BOT_PICKLE")
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if !ok {
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logger.Error("BOT_PICKLE is not set")
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}
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OpenaiAPIKey, ok := os.LookupEnv("OPENAI_API_KEY")
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if !ok {
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logger.Error("OPENAI_API_KEY is not set")
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os.Exit(1)
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}
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// Create new OpenAI client
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openaiClient := openai.NewClient(OpenaiAPIKey)
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// Create new Matrix client
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client, err := mautrix.NewClient(MatrixHomeserver, MatrixUserID, MatrixAccessKey)
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if err != nil {
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panic(err)
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}
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var oei mautrix.OldEventIgnorer
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oei.Register(client.Syncer.(mautrix.ExtensibleSyncer))
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// logger for matrix client
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rl, err := readline.New("[no room]> ")
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if err != nil {
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panic(err)
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}
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defer rl.Close()
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matrixLogger := zerolog.New(zerolog.NewConsoleWriter(func(w *zerolog.ConsoleWriter) {
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w.Out = rl.Stdout()
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w.TimeFormat = time.Stamp
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})).With().Timestamp().Logger()
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client.Log = matrixLogger
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var lastRoomID id.RoomID
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// Set up sync events
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syncer := client.Syncer.(*mautrix.DefaultSyncer)
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syncer.OnEventType(event.EventMessage, func(source mautrix.EventSource, evt *event.Event) {
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lastRoomID = evt.RoomID
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rl.SetPrompt(fmt.Sprintf("%s> ", lastRoomID))
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matrixLogger.Info().
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Str("sender", evt.Sender.String()).
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Str("type", evt.Type.String()).
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Str("id", evt.ID.String()).
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Str("body", evt.Content.AsMessage().Body).
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Msg("Received message")
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if evt.Sender != MatrixUserID {
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msgBody := evt.Content.AsMessage().Body
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// Generate a message with OpenAI API
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openAiResp, err := openaiClient.CreateChatCompletion(
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context.Background(),
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openai.ChatCompletionRequest{
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Model: openai.GPT4,
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Messages: []openai.ChatCompletionMessage{
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{
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Role: openai.ChatMessageRoleSystem,
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Content: "You are a chatbot that helps people by responding to their questions with short messages.",
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},
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{
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Role: openai.ChatMessageRoleUser,
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Content: msgBody,
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},
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},
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})
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if err != nil {
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fmt.Println("OpenAI API returned with ", err)
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return
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}
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// Send the OpenAI response back to the chat
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responseMarkdown := openAiResp.Choices[len(openAiResp.Choices)-1].Message.Content
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responseMessage := format.RenderMarkdown(responseMarkdown, true, false)
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client.SendMessageEvent(lastRoomID, event.EventMessage, &responseMessage)
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}
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})
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syncer.OnEventType(event.StateMember, func(source mautrix.EventSource, evt *event.Event) {
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if evt.GetStateKey() == client.UserID.String() && evt.Content.AsMember().Membership == event.MembershipInvite {
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_, err := client.JoinRoomByID(evt.RoomID)
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if err == nil {
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lastRoomID = evt.RoomID
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rl.SetPrompt(fmt.Sprintf("%s> ", lastRoomID))
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log.Info().
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Str("room_id", evt.RoomID.String()).
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Str("inviter", evt.Sender.String()).
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Msg("Joined room after invite")
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} else {
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log.Error().Err(err).
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Str("room_id", evt.RoomID.String()).
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Str("inviter", evt.Sender.String()).
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Msg("Failed to join room after invite")
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}
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}
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})
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cryptoHelper, err := cryptohelper.NewCryptoHelper(client, []byte(BotPickle), BotDatabasePath)
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if err != nil {
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panic(err)
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}
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// You can also store the user/device IDs and access token and put them in the client beforehand instead of using LoginAs.
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//client.UserID = "..."
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//client.DeviceID = "..."
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//client.AccessToken = "..."
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// You don't need to set a device ID in LoginAs because the crypto helper will set it for you if necessary.
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cryptoHelper.LoginAs = &mautrix.ReqLogin{
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Type: mautrix.AuthTypePassword,
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Identifier: mautrix.UserIdentifier{Type: mautrix.IdentifierTypeUser, User: MatrixUserID.String()},
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Password: MatrixPassword,
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}
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// If you want to use multiple clients with the same DB, you should set a distinct database account ID for each one.
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//cryptoHelper.DBAccountID = ""
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err = cryptoHelper.Init()
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if err != nil {
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panic(err)
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}
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// Set the client crypto helper in order to automatically encrypt outgoing messages
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client.Crypto = cryptoHelper
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matrixLogger.Info().Msg("Now running")
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syncCtx, cancelSync := context.WithCancel(context.Background())
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var syncStopWait sync.WaitGroup
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syncStopWait.Add(1)
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go func() {
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err = client.SyncWithContext(syncCtx)
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defer syncStopWait.Done()
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if err != nil && !errors.Is(err, context.Canceled) {
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panic(err)
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}
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}()
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done := make(chan os.Signal)
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signal.Notify(done, os.Interrupt)
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<-done
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cancelSync()
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syncStopWait.Wait()
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err = cryptoHelper.Close()
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if err != nil {
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log.Error().Err(err).Msg("Error closing database")
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}
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}
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