57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
package fs
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import (
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"errors"
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"io/fs"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"strings"
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"github.com/yaoapp/gou/application"
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)
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// DirSUI is the PWA path
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type DirSUI string
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// Open implements FileSystem using os.Open, opening files for reading rooted
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// and relative to the directory d.
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func (d DirSUI) Open(name string) (http.File, error) {
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if filepath.Separator != '/' && strings.ContainsRune(name, filepath.Separator) {
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return nil, errors.New("http: invalid character in file path")
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}
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dir := string(d)
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if dir == "" {
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dir = "."
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}
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name = filepath.FromSlash(path.Clean("/" + name))
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relName := filepath.Join(dir, name)
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if filepath.Ext(relName) == "" && relName != dir {
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relName = filepath.Join(dir, "index.html")
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name = filepath.Join(string(os.PathSeparator), "index.html")
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}
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// Close dir views Disable directory listing
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absName := filepath.Join(application.App.Root(), relName)
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stat, err := os.Stat(absName)
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if err != nil {
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return nil, mapOpenError(err, relName, filepath.Separator, os.Stat)
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}
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if stat.IsDir() {
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if _, err := os.Stat(filepath.Join(absName, "index.html")); os.IsNotExist(err) {
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return nil, mapOpenError(fs.ErrNotExist, relName, filepath.Separator, os.Stat)
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}
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}
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f, err := application.App.FS(string(d)).Open(name)
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if err != nil {
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return nil, mapOpenError(err, relName, filepath.Separator, os.Stat)
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}
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return f, nil
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}
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