92 lines
3.2 KiB
Go
92 lines
3.2 KiB
Go
// Command ai-bot is a plaintext Matrix bot user (@ai) that answers xAI Grok
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// completions in its rooms: @-mentions in group rooms and every message in a
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// 1:1. It runs as a Synapse application service — Synapse pushes transactions to
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// its HTTP endpoint — and talks the Matrix CS-API over plain HTTP (no Olm/Megolm,
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// Vojo rooms are unencrypted by default), calling the xAI OpenAI-compatible Chat
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// Completions API. See README.md and docs/plans/grok_bot.md.
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package main
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import (
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"context"
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"fmt"
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"os"
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"os/signal"
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"syscall"
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)
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func main() {
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logger := newLogger()
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// `ai-bot generate-registration` writes a fresh registration.yaml with random
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// tokens (the mautrix bridge idiom), then exits. Runs BEFORE LoadConfig — the
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// tokens don't exist yet. Inputs: BOT_MXID (required), REGISTRATION_PATH
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// (default /data/registration.yaml), AS_URL (default http://ai-bot:8009).
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if len(os.Args) > 1 && os.Args[1] == "generate-registration" {
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mxid := getenv("BOT_MXID", "")
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if mxid == "" {
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logger.Error("BOT_MXID is required to generate the registration")
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os.Exit(1)
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}
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path := getenv("REGISTRATION_PATH", "/data/registration.yaml")
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asURL := getenv("AS_URL", "http://ai-bot:8009")
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if err := GenerateRegistration(path, asURL, localpartOf(mxid), serverOf(mxid)); err != nil {
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logger.Error("generate-registration failed", "err", err)
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os.Exit(1)
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}
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fmt.Printf("wrote %s\n", path)
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fmt.Println("Next: mount this file into Synapse, add it to app_service_config_files,")
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fmt.Println("and restart Synapse. The bot reads its tokens from this file (set")
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fmt.Println("REGISTRATION_PATH to the same path in the bot's environment).")
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return
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}
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cfg, err := LoadConfig()
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if err != nil {
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logger.Error("config error", "err", err)
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os.Exit(1)
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}
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// Load the system prompt up front so a missing/unreadable file fails fast
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// at startup rather than on the first message.
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promptBytes, err := os.ReadFile(cfg.SystemPromptPath)
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if err != nil {
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logger.Error("cannot read system prompt", "path", cfg.SystemPromptPath, "err", err)
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os.Exit(1)
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}
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cfg.SystemPrompt = string(promptBytes)
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// `ai-bot check-config` validates env + prompt + state dir and exits 0.
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// Used by the A1 acceptance check ("container starts, reads env") and as a
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// cheap operator smoke test without touching the homeserver.
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if len(os.Args) > 1 && os.Args[1] == "check-config" {
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fmt.Println(cfg.Summary())
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fmt.Printf(" SYSTEM_PROMPT = loaded (%d bytes)\n", len(cfg.SystemPrompt))
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fmt.Println("config OK")
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return
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}
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if err := os.MkdirAll(cfg.StateDir, 0o700); err != nil {
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logger.Error("cannot create state dir", "path", cfg.StateDir, "err", err)
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os.Exit(1)
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}
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fmt.Fprintf(os.Stderr, "%s\n", cfg.Summary())
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logger.Info("starting Vojo AI bot")
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// Cancel on SIGINT/SIGTERM so the transaction server shuts down cleanly.
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ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
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defer stop()
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bot, err := NewBot(ctx, cfg, logger)
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if err != nil {
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logger.Error("startup failed", "err", err)
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os.Exit(1)
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}
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defer bot.Close()
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if err := bot.Run(ctx); err != nil && ctx.Err() == nil {
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logger.Error("appservice server exited", "err", err)
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os.Exit(1)
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}
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logger.Info("shut down cleanly")
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}
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