48 lines
1023 B
Go
48 lines
1023 B
Go
//go:build !embed
|
|
// +build !embed
|
|
|
|
package web
|
|
|
|
import (
|
|
"io"
|
|
"net/http"
|
|
"os"
|
|
"path/filepath"
|
|
)
|
|
|
|
func (s *Server) FrontendHandler(frontendDir string) http.HandlerFunc {
|
|
fs := http.FileServer(http.Dir(frontendDir))
|
|
return fs.ServeHTTP
|
|
}
|
|
|
|
func (s *Server) IndexHandler(frontendDir string) http.HandlerFunc {
|
|
fs := http.FileServer(http.Dir(frontendDir))
|
|
|
|
fn := func(w http.ResponseWriter, r *http.Request) {
|
|
fname := filepath.Join(frontendDir, r.URL.Path)
|
|
_, err := os.Stat(fname)
|
|
if os.IsNotExist(err) {
|
|
s.serveIndex(frontendDir).ServeHTTP(w, r)
|
|
return
|
|
}
|
|
fs.ServeHTTP(w, r)
|
|
}
|
|
return http.HandlerFunc(fn)
|
|
}
|
|
|
|
func (s *Server) serveIndex(frontendDir string) http.HandlerFunc {
|
|
fn := func(w http.ResponseWriter, r *http.Request) {
|
|
fname := filepath.Join(frontendDir, "index.html")
|
|
f, err := os.Open(fname)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer f.Close()
|
|
|
|
if _, err := io.Copy(w, f); err != nil {
|
|
s.ServerLogger.Warnw("Error writing frontend to client.", "err", err)
|
|
}
|
|
}
|
|
return fn
|
|
}
|