Example #1
0
File: main.go Project: kego/ke
func main() {
	// This turns off focus reporting mode that will print ā€œ^[[Oā€ and ā€œ^[[Iā€
	// when the terminal window gets / loses focus
	// http://superuser.com/questions/931873/o-and-i-appearing-on-iterm2-when-focus-lost
	fmt.Print("\033[?1004l")

	ctx, cancel, err := process.Initialise(context.Background(), nil)
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	env := envctx.FromContext(ctx)
	cmd := cmdctx.FromContext(ctx)

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	signal.Notify(c, syscall.SIGTERM)
	go func() {
		<-c
		cancel()
	}()

	if err := process.GenerateAll(ctx, env.Path, map[string]bool{}); err != nil {
		fmt.Println(err.Error())
		wgctx.WaitAndExit(ctx, 1)
	}

	if cmd.Validate {
		err := process.RunValidateCommand(ctx)
		if err != nil {
			if !cmd.Log {
				// in log mode, we have already written the output of the exec'ed ke command,
				// so we don't need to duplicate the error message.
				if v, ok := kerr.Source(err).(validate.ValidationCommandError); ok {
					fmt.Println(v.Description)
					wgctx.WaitAndExit(ctx, 4) // Exit code 4: validation error
				}
				fmt.Println(err.Error())
			}
			wgctx.WaitAndExit(ctx, 1)
		}
	}

	if cmd.Edit {
		if err = server.Start(ctx, cancel); err != nil {
			fmt.Println(err.Error())
			wgctx.WaitAndExit(ctx, 1)
		}
	}

	wgctx.WaitAndExit(ctx, 0)

}
Example #2
0
File: server.go Project: kego/ke
func root(ctx context.Context, w http.ResponseWriter, req *http.Request, auth auther.Auther) error {

	wgctx.Add(ctx, "root")
	defer wgctx.Done(ctx, "root")

	if b, err := static.Asset(req.URL.Path[1:]); err == nil {
		if strings.HasSuffix(req.URL.Path, ".css") {
			w.Header().Set("Content-Type", "text/css")
		}
		if err := writeWithTimeout(w, b); err != nil {
			return kerr.Wrap("PVPCXBIUJT", err)
		}
		return nil
	}

	path := req.URL.Path[1:]
	if strings.HasSuffix(path, "/") {
		path = path[0 : len(path)-1]
	}

	// use a new context with a blank sysctx for the duration of this function
	// to prevent caching
	ctx = sysctx.NewContext(ctx)

	scache := sysctx.FromContext(ctx)

	env, err := parser.ScanForEnv(ctx, path)
	if err != nil {
		if _, ok := kerr.Source(err).(gopackages.NotFoundError); ok {
			w.WriteHeader(404)
			return nil
		}
		return kerr.Wrap("ALINBMKDRP", err)
	}

	pcache, err := parser.Parse(ctx, path)
	if err != nil {
		return kerr.Wrap("HIHWJRPUKE", err)
	}

	if err := process.GenerateAll(ctx, env.Path, map[string]bool{}); err != nil {
		return kerr.Wrap("LVGHABDYNQ", err)
	}

	data := map[string]string{}
	for _, name := range pcache.Globals.Keys() {
		if g, ok := pcache.Globals.Get(name); ok {
			data[name] = g.File
		}
	}

	pkgBytes := pcache.PackageBytes
	pkgFilename := pcache.PackageFilename
	if pkgBytes == nil {
		b, err := system.Marshal(ctx, system.EmptyPackage())
		if err != nil {
			return kerr.Wrap("OUBOTYGPKU", err)
		}
		pkgBytes = b
		pkgFilename = "package.ke.json"
	}

	imports := map[string]shared.ImportInfo{}

	var scan func(string) error
	scan = func(path string) error {
		if _, ok := imports[path]; ok {
			return nil
		}
		syspi, ok := scache.Get(path)
		if !ok {
			return kerr.New("VIGKIUPNCF", "%s not found in sys ctx", path)
		}
		info := shared.ImportInfo{
			Path:    path,
			Aliases: syspi.Aliases,
			Types:   map[string]shared.TypeInfo{},
		}
		for _, name := range syspi.Files.Keys() {
			if b, ok := syspi.Files.Get(name); ok {
				info.Types[name] = shared.TypeInfo{
					File:  b.File,
					Bytes: b.Bytes,
				}
			}
		}
		imports[path] = info

		for _, child := range syspi.Aliases {
			if err := scan(child); err != nil {
				return kerr.Wrap("NCULMUUUOT", err)
			}
		}
		return nil
	}
	// First we always import system
	if err := scan("kego.io/system"); err != nil {
		return kerr.Wrap("KRXSLOJKWV", err)
	}
	if err := scan(env.Path); err != nil {
		return kerr.Wrap("EELKQDCJGN", err)
	}

	info := shared.Info{
		Path:            env.Path,
		Aliases:         env.Aliases,
		Data:            data,
		Package:         pkgBytes,
		PackageFilename: pkgFilename,
		Imports:         imports,
		Hash:            auth.Sign([]byte(env.Path)),
	}
	buf := bytes.NewBuffer([]byte{})
	err = gob.NewEncoder(buf).Encode(info)
	if err != nil {
		return kerr.Wrap("OHBYTULHUQ", err)
	}
	base64EncodedString := base64.StdEncoding.EncodeToString(buf.Bytes())
	attrib := base64EncodedString

	source := []byte(`
		<html>
			<head>
				<meta charset="utf-8">
				<link rel="stylesheet" href="/bootstrap/css/bootstrap.min.css">
				<link rel="stylesheet" href="/bootstrap/css/bootstrap-theme.min.css">
				<link rel="stylesheet" href="/split.css">
				<link rel="stylesheet" href="/editors.css">
				<link rel="stylesheet" href="/tree.css">
				<script src="/jquery-2.2.4.min.js"></script>
				<script src="/jquery-ui/jquery-ui.min.js"></script>
				<script src="/split.min.js"></script>
				<script src="/bootstrap/js/bootstrap.min.js"></script>
				<link rel="icon" type="image/png" href="data:image/png;base64,iVBORw0KGgo=">
			</head>
			<body id="body" info="` + attrib + `"></body>
			<script src="/` + env.Path + `/script.js"></script>
		</html>`)

	if err := writeWithTimeout(w, source); err != nil {
		return kerr.Wrap("ICJSAIMDRF", err)
	}

	return nil
}