feat: HTTP API, WebSocket streaming with token auth and origin check, server entrypoint

cmd/openclaw/main.go

@@ -0,0 +1,92 @@
+// Command openclaw runs the OpenClaw assistant server.
+package main
+
+import (
+	"context"
+	"errors"
+	"flag"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"syscall"
+	"time"
+
+	"github.com/crypto/openclaw/internal/agent"
+	"github.com/crypto/openclaw/internal/config"
+	"github.com/crypto/openclaw/internal/llm"
+	"github.com/crypto/openclaw/internal/server"
+	"github.com/crypto/openclaw/internal/store"
+	"github.com/crypto/openclaw/internal/tools"
+)
+
+var version = "dev"
+
+func main() {
+	cfgPath := flag.String("config", os.Getenv("OPENCLAW_CONFIG"), "path to config file (.yaml/.yml/.json)")
+	showVersion := flag.Bool("version", false, "print version")
+	flag.Parse()
+	if *showVersion {
+		fmt.Println("openclaw", version)
+		return
+	}
+	log := slog.New(slog.NewTextHandler(os.Stderr, nil))
+	if err := run(*cfgPath, log); err != nil {
+		log.Error("fatal", "err", err)
+		os.Exit(1)
+	}
+}
+
+func run(cfgPath string, log *slog.Logger) error {
+	cfg, err := config.Load(cfgPath)
+	if err != nil {
+		return err
+	}
+	if err := os.MkdirAll(cfg.DataDir, 0o750); err != nil {
+		return err
+	}
+	st, err := store.Open(filepath.Join(cfg.DataDir, "openclaw.db"))
+	if err != nil {
+		return err
+	}
+	defer st.Close()
+
+	reg := tools.NewRegistry(tools.TimeNow{})
+	if cfg.Tools.WebFetch.Enabled {
+		reg.Register(tools.NewWebFetch(time.Duration(cfg.Tools.WebFetch.TimeoutSec)*time.Second, cfg.Tools.WebFetch.MaxBytes, cfg.Tools.WebFetch.AllowPrivate))
+	}
+	if cfg.Tools.FilesEnabled {
+		ws := tools.Workspace{Dir: cfg.Workspace, MaxBytes: cfg.Tools.FileMaxBytes}
+		reg.Register(tools.FileRead{Workspace: ws})
+		reg.Register(tools.FileWrite{Workspace: ws})
+		reg.Register(tools.FileList{Workspace: ws})
+	}
+	prov := llm.NewOpenAI(cfg.LLM.BaseURL, cfg.LLM.APIKey, cfg.LLM.Model, cfg.LLM.Temperature, time.Duration(cfg.LLM.TimeoutSec)*time.Second)
+	ag := &agent.Agent{LLM: prov, Tools: reg, Store: st, SystemPrompt: cfg.Agent.SystemPrompt,
+		MaxIterations: cfg.Agent.MaxIterations, HistoryLimit: cfg.Agent.HistoryLimit}
+	srv := &server.Server{Agent: ag, Store: st, Token: cfg.AuthToken, AllowedOrigins: cfg.AllowedOrigins, Log: log,
+		RunTimeout: time.Duration(cfg.LLM.TimeoutSec*cfg.Agent.MaxIterations) * time.Second}
+
+	hs := &http.Server{Addr: cfg.Listen, Handler: srv.Handler(), ReadHeaderTimeout: 10 * time.Second, IdleTimeout: 120 * time.Second}
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
+	errc := make(chan error, 1)
+	go func() {
+		log.Info("openclaw listening", "addr", cfg.Listen, "model", cfg.LLM.Model, "tools", len(reg.Specs()), "version", version)
+		errc <- hs.ListenAndServe()
+	}()
+	select {
+	case err := <-errc:
+		if !errors.Is(err, http.ErrServerClosed) {
+			return err
+		}
+	case <-ctx.Done():
+		log.Info("shutting down")
+		sctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+		return hs.Shutdown(sctx)
+	}
+	return nil
+}