package ctrl
import (
"crypto/md5"
"encoding/base32"
. "github.com/mickael-kerjean/nuage/server/common"
"io"
"text/template"
"mime"
"net/http"
"os"
"path"
"path/filepath"
"strings"
)
var ETAG_INDEX string
func StaticHandler(_path string, ctx App) http.Handler {
return http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
header := res.Header()
header.Set("Content-Type", mime.TypeByExtension(filepath.Ext(req.URL.Path)))
header.Set("Cache-Control", "max-age=2592000")
header.Set("X-Content-Type-Options", "nosniff")
if strings.HasSuffix(req.URL.Path, "/") {
http.NotFound(res, req)
return
}
absPath := GetAbsolutePath(_path)
fsrv := http.FileServer(http.Dir(absPath))
_, err := os.Open(path.Join(absPath, req.URL.Path+".gz"))
if err == nil && strings.Contains(req.Header.Get("Accept-Encoding"), "gzip") {
res.Header().Set("Content-Encoding", "gzip")
req.URL.Path += ".gz"
}
fsrv.ServeHTTP(res, req)
})
}
func DefaultHandler(_path string, ctx App) http.Handler {
return http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
_path := GetAbsolutePath(_path)
header := res.Header()
header.Set("Content-Type", "text/html")
header.Set("Cache-Control", "no-cache")
header.Set("X-XSS-Protection", "1; mode=block")
header.Set("X-Content-Type-Options", "nosniff")
header.Set("X-Frame-Options", "DENY")
if ETAG_INDEX == "" {
ETAG_INDEX = hashFile(_path)
}
if req.Header.Get("If-None-Match") == ETAG_INDEX {
res.WriteHeader(http.StatusNotModified)
return
}
header.Set("Etag", ETAG_INDEX)
// Redirect to the admin section on first boot to setup the stuff
if req.URL.String() != URL_SETUP && Config.Get("auth.admin").String() == "" {
http.Redirect(res, req, URL_SETUP, http.StatusTemporaryRedirect)
return
}
if _, err := os.Open(_path+".gz"); err == nil && strings.Contains(req.Header.Get("Accept-Encoding"), "gzip") {
res.Header().Set("Content-Encoding", "gzip")
_path += ".gz"
}
http.ServeFile(res, req, _path)
})
}
func AboutHandler(ctx App) http.Handler {
return http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
header := res.Header()
header.Set("Content-Type", "text/html")
header.Set("Cache-Control", "no-cache, no-store, must-revalidate")
header.Set("X-XSS-Protection", "1; mode=block")
header.Set("X-Content-Type-Options", "nosniff")
header.Set("X-Frame-Options", "DENY")
page := `
{{index .App 0}} ({{index .App 1}})
{{range .Plugins}}
{{ index . 0 }} ({{ index . 1 }})
{{end}}
`
t, _ := template.New("about").Parse(page)
t.Execute(res, struct {
App []string
Plugins [][]string
}{
App: []string{"Nuage " + APP_VERSION, BUILD_NUMBER + "_" + hashFile(filepath.Join(GetCurrentDir(), "/nuage"))},
Plugins: func () [][]string {
pPath := filepath.Join(GetCurrentDir(), PLUGIN_PATH)
file, err := os.Open(pPath)
if err != nil {
return [][]string{
[]string{"N/A", ""},
}
}
files, err := file.Readdir(0)
if err != nil {
return [][]string{
[]string{"N/A", ""},
}
}
plugins := make([][]string, 0)
plugins = append(plugins, []string {
"config.json",
hashFile(filepath.Join(GetCurrentDir(), "/data/config/config.json")),
})
for i:=0; i < len(files); i++ {
plugins = append(plugins, []string{
files[i].Name(),
hashFile(pPath + "/" + files[i].Name()),
})
}
return plugins
}(),
})
})
}
func hashFile (path string) string {
f, err := os.OpenFile(path, os.O_RDONLY, os.ModePerm)
if err != nil {
return "__"
}
defer f.Close()
h := md5.New()
if _, err := io.Copy(h, f); err != nil {
return "__"
}
return base32.HexEncoding.EncodeToString(h.Sum(nil))[:6]
}