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
}