X-Git-Url: https://git.r.bdr.sh/rbdr/mobius/blobdiff_plain/aebc4d3647b9823ae8cbb57b21b1af83bfd011fb..7bd6f5adda126bbe7caf94330e08d9adf0e66466:/cmd/mobius-hotline-server/main.go

diff --git a/cmd/mobius-hotline-server/main.go b/cmd/mobius-hotline-server/main.go
index aa1f015..e4e0954 100644
--- a/cmd/mobius-hotline-server/main.go
+++ b/cmd/mobius-hotline-server/main.go
@@ -2,74 +2,239 @@ package main
 
 import (
 	"context"
+	"embed"
 	"flag"
 	"fmt"
 	"github.com/jhalter/mobius/hotline"
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
+	"github.com/jhalter/mobius/internal/mobius"
+	"github.com/oleksandr/bonjour"
+	"io"
+	"log"
 	"os"
+	"os/signal"
+	"path"
+	"path/filepath"
+	"syscall"
 )
 
-const (
-	defaultConfigPath = "/usr/local/var/mobius/config/" // matches Homebrew default config location
-	defaultPort       = 5500
+//go:embed mobius/config
+var cfgTemplate embed.FS
+
+// Values swapped in by go-releaser at build time
+var (
+	version = "dev"
+	commit  = "none"
 )
 
 func main() {
-	ctx, cancelRoot := context.WithCancel(context.Background())
+	ctx, cancel := context.WithCancel(context.Background())
+
+	sigChan := make(chan os.Signal, 1)
+	signal.Notify(sigChan, syscall.SIGTERM, syscall.SIGHUP, syscall.SIGINT, os.Interrupt)
 
-	basePort := flag.Int("bind", defaultPort, "Bind address and port")
-	configDir := flag.String("config", defaultConfigPath, "Path to config root")
-	version := flag.Bool("version", false, "print version and exit")
+	netInterface := flag.String("interface", "", "IP addr of interface to listen on.  Defaults to all interfaces.")
+	basePort := flag.Int("bind", 5500, "Base Hotline server port.  File transfer port is base port + 1.")
+	apiAddr := flag.String("api-addr", "", "Enable HTTP API endpoint on address and port")
+	configDir := flag.String("config", configSearchPaths(), "Path to config root")
+	printVersion := flag.Bool("version", false, "Print version and exit")
 	logLevel := flag.String("log-level", "info", "Log level")
+	logFile := flag.String("log-file", "", "Path to log file")
+	init := flag.Bool("init", false, "Populate the config dir with default configuration")
+
 	flag.Parse()
 
-	if *version {
-		fmt.Printf("v%s\n", hotline.VERSION)
+	if *printVersion {
+		fmt.Printf("mobius-hotline-server version %s, commit %s\n", version, commit)
 		os.Exit(0)
 	}
 
-	zapLvl, ok := zapLogLevel[*logLevel]
-	if !ok {
-		fmt.Printf("Invalid log level %s.  Must be debug, info, warn, or error.\n", *logLevel)
-		os.Exit(0)
+	slogger := mobius.NewLogger(logLevel, logFile)
+
+	// It's important for Windows compatibility to use path.Join and not filepath.Join for the config dir initialization.
+	// https://github.com/golang/go/issues/44305
+	if *init {
+		if _, err := os.Stat(path.Join(*configDir, "/config.yaml")); os.IsNotExist(err) {
+			if err := os.MkdirAll(*configDir, 0750); err != nil {
+				slogger.Error(fmt.Sprintf("error creating config dir: %s", err))
+				os.Exit(1)
+			}
+			if err := copyDir(path.Join("mobius", "config"), *configDir); err != nil {
+				slogger.Error(fmt.Sprintf("error copying config dir: %s", err))
+				os.Exit(1)
+			}
+			slogger.Info("Config dir initialized at " + *configDir)
+		} else {
+			slogger.Info("Existing config dir found.  Skipping initialization.")
+		}
+	}
+
+	config, err := mobius.LoadConfig(path.Join(*configDir, "config.yaml"))
+	if err != nil {
+		slogger.Error(fmt.Sprintf("Error loading config: %v", err))
+		os.Exit(1)
 	}
 
-	cores := []zapcore.Core{newStdoutCore(zapLvl)}
-	l := zap.New(zapcore.NewTee(cores...))
-	defer func() { _ = l.Sync() }()
-	logger := l.Sugar()
+	srv, err := hotline.NewServer(
+		hotline.WithInterface(*netInterface),
+		hotline.WithLogger(slogger),
+		hotline.WithPort(*basePort),
+		hotline.WithConfig(*config),
+	)
+	if err != nil {
+		slogger.Error(fmt.Sprintf("Error starting server: %s", err))
+		os.Exit(1)
+	}
 
-	if _, err := os.Stat(*configDir); os.IsNotExist(err) {
-		logger.Fatalw("Configuration directory not found", "path", configDir)
+	srv.MessageBoard, err = mobius.NewFlatNews(path.Join(*configDir, "MessageBoard.txt"))
+	if err != nil {
+		slogger.Error(fmt.Sprintf("Error loading message board: %v", err))
+		os.Exit(1)
 	}
 
-	hotline.FS = &hotline.OSFileStore{}
+	srv.BanList, err = mobius.NewBanFile(path.Join(*configDir, "Banlist.yaml"))
+	if err != nil {
+		slogger.Error(fmt.Sprintf("Error loading ban list: %v", err))
+		os.Exit(1)
+	}
+
+	srv.ThreadedNewsMgr, err = mobius.NewThreadedNewsYAML(path.Join(*configDir, "ThreadedNews.yaml"))
+	if err != nil {
+		slogger.Error(fmt.Sprintf("Error loading news: %v", err))
+		os.Exit(1)
+	}
+
+	srv.AccountManager, err = mobius.NewYAMLAccountManager(filepath.Join(*configDir, "Users/"))
+	if err != nil {
+		slogger.Error(fmt.Sprintf("Error loading accounts: %v", err))
+		os.Exit(1)
+	}
+
+	srv.Agreement, err = mobius.NewAgreement(*configDir, "\r")
+	if err != nil {
+		slogger.Error(fmt.Sprintf("Error loading agreement: %v", err))
+		os.Exit(1)
+	}
 
-	srv, err := hotline.NewServer(*configDir, "", *basePort, logger)
+	bannerPath := filepath.Join(*configDir, config.BannerFile)
+	srv.Banner, err = os.ReadFile(bannerPath)
 	if err != nil {
-		logger.Fatal(err)
+		slogger.Error(fmt.Sprintf("Error loading accounts: %v", err))
+		os.Exit(1)
+	}
+
+	reloadFunc := func() {
+		if err := srv.MessageBoard.(*mobius.FlatNews).Reload(); err != nil {
+			slogger.Error("Error reloading news", "err", err)
+		}
+
+		if err := srv.BanList.(*mobius.BanFile).Load(); err != nil {
+			slogger.Error("Error reloading ban list", "err", err)
+		}
+
+		if err := srv.ThreadedNewsMgr.(*mobius.ThreadedNewsYAML).Load(); err != nil {
+			slogger.Error("Error reloading threaded news list", "err", err)
+		}
+
+		if err := srv.Agreement.(*mobius.Agreement).Reload(); err != nil {
+			slogger.Error(fmt.Sprintf("Error reloading agreement: %v", err))
+			os.Exit(1)
+		}
+	}
+
+	if *apiAddr != "" {
+		sh := mobius.NewAPIServer(srv, reloadFunc, slogger)
+		go sh.Serve(*apiAddr)
+	}
+
+	go func() {
+		for {
+			sig := <-sigChan
+			switch sig {
+			case syscall.SIGHUP:
+				slogger.Info("SIGHUP received.  Reloading configuration.")
+
+				reloadFunc()
+			default:
+				signal.Stop(sigChan)
+				cancel()
+				os.Exit(0)
+			}
+
+		}
+	}()
+
+	slogger.Info("Hotline server started", "version", version, "config", *configDir)
+
+	// Assign functions to handle specific Hotline transaction types
+	mobius.RegisterHandlers(srv)
+
+	if srv.Config.EnableBonjour {
+		s, err := bonjour.Register(srv.Config.Name, "_hotline._tcp", "", *basePort, []string{"txtv=1", "app=hotline"}, nil)
+		if err != nil {
+			slogger.Error("Error registering Hotline server with Bonjour", "err", err)
+		}
+		defer s.Shutdown()
 	}
 
 	// Serve Hotline requests until program exit
-	logger.Fatal(srv.ListenAndServe(ctx, cancelRoot))
+	log.Fatal(srv.ListenAndServe(ctx))
 }
 
-func newStdoutCore(level zapcore.Level) zapcore.Core {
-	encoderCfg := zap.NewProductionEncoderConfig()
-	encoderCfg.TimeKey = "timestamp"
-	encoderCfg.EncodeTime = zapcore.ISO8601TimeEncoder
+func configSearchPaths() string {
+	for _, cfgPath := range mobius.ConfigSearchOrder {
+		if _, err := os.Stat(cfgPath); err == nil {
+			return cfgPath
+		}
+	}
 
-	return zapcore.NewCore(
-		zapcore.NewConsoleEncoder(encoderCfg),
-		zapcore.Lock(os.Stdout),
-		level,
-	)
+	return "config"
 }
 
-var zapLogLevel = map[string]zapcore.Level{
-	"debug": zap.DebugLevel,
-	"info":  zap.InfoLevel,
-	"warn":  zap.WarnLevel,
-	"error": zap.ErrorLevel,
+// copyDir recursively copies a directory tree, attempting to preserve permissions.
+func copyDir(src, dst string) error {
+	entries, err := cfgTemplate.ReadDir(src)
+	if err != nil {
+		return err
+	}
+	for _, dirEntry := range entries {
+		if dirEntry.IsDir() {
+			if err := os.MkdirAll(path.Join(dst, dirEntry.Name()), 0777); err != nil {
+				panic(err)
+			}
+			subdirEntries, _ := cfgTemplate.ReadDir(path.Join(src, dirEntry.Name()))
+			for _, subDirEntry := range subdirEntries {
+				f, err := os.Create(path.Join(dst, dirEntry.Name(), subDirEntry.Name()))
+				if err != nil {
+					return err
+				}
+
+				srcFile, err := cfgTemplate.Open(path.Join(src, dirEntry.Name(), subDirEntry.Name()))
+				if err != nil {
+					return fmt.Errorf("error copying srcFile: %w", err)
+				}
+				_, err = io.Copy(f, srcFile)
+				if err != nil {
+					return err
+				}
+				_ = f.Close()
+			}
+		} else {
+			f, err := os.Create(path.Join(dst, dirEntry.Name()))
+			if err != nil {
+				return err
+			}
+
+			srcFile, err := cfgTemplate.Open(path.Join(src, dirEntry.Name()))
+			if err != nil {
+				return err
+			}
+			_, err = io.Copy(f, srcFile)
+			if err != nil {
+				return err
+			}
+			_ = f.Close()
+		}
+	}
+
+	return nil
 }