filebrowser/http/static.go
Henrique Dias b94e134cf7 feat: NewHandler on http pkg
License: MIT
Signed-off-by: Henrique Dias <hacdias@gmail.com>
2019-01-04 08:50:23 +00:00

119 lines
3.1 KiB
Go

package http
import (
"encoding/json"
"log"
"net/http"
"os"
"path/filepath"
"strings"
"text/template"
"github.com/GeertJohan/go.rice"
"github.com/filebrowser/filebrowser/auth"
"github.com/filebrowser/filebrowser/lib"
)
func (e *env) getStaticData() map[string]interface{} {
e.RLockSettings()
defer e.RUnlockSettings()
settings := e.GetSettings()
staticURL := strings.TrimPrefix(settings.BaseURL+"/static", "/")
data := map[string]interface{}{
"Name": settings.Branding.Name,
"DisableExternal": settings.Branding.DisableExternal,
"BaseURL": settings.BaseURL,
"Version": lib.Version,
"StaticURL": staticURL,
"Signup": settings.Signup,
"NoAuth": settings.AuthMethod == auth.MethodNoAuth,
"CSS": false,
"ReCaptcha": false,
}
if settings.Branding.Files != "" {
path := filepath.Join(settings.Branding.Files, "custom.css")
_, err := os.Stat(path)
if err != nil && !os.IsNotExist(err) {
log.Printf("couldn't load custom styles: %v", err)
}
if err == nil {
data["CSS"] = true
}
}
if settings.AuthMethod == auth.MethodJSONAuth {
auther := e.Auther.(*auth.JSONAuth)
if auther.ReCaptcha != nil {
data["ReCaptcha"] = auther.ReCaptcha.Key != "" && auther.ReCaptcha.Secret != ""
data["ReCaptchaHost"] = auther.ReCaptcha.Host
data["ReCaptchaKey"] = auther.ReCaptcha.Key
}
}
b, _ := json.MarshalIndent(data, "", " ")
data["Json"] = string(b)
return data
}
func (e *env) getStaticHandlers() (http.Handler, http.Handler) {
box := rice.MustFindBox("../frontend/dist")
handler := http.FileServer(box.HTTPBox())
handleWithData := func(w http.ResponseWriter, r *http.Request, file string, contentType string) {
w.Header().Set("Content-Type", contentType)
index := template.Must(template.New("index").Delims("[{[", "]}]").Parse(box.MustString(file)))
err := index.Execute(w, e.getStaticData())
if err != nil {
httpErr(w, r, http.StatusInternalServerError, err)
}
}
index := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
httpErr(w, r, http.StatusNotFound, nil)
return
}
w.Header().Set("x-frame-options", "SAMEORIGIN")
w.Header().Set("x-xss-protection", "1; mode=block")
handleWithData(w, r, "index.html", "text/html; charset=utf-8")
})
static := http.StripPrefix("/static/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
e.RLockSettings()
defer e.RUnlockSettings()
if e.GetSettings().Branding.Files != "" {
if strings.HasPrefix(r.URL.Path, "img/") {
path := filepath.Join(e.GetSettings().Branding.Files, r.URL.Path)
if _, err := os.Stat(path); err == nil {
http.ServeFile(w, r, path)
return
}
} else if r.URL.Path == "custom.css" && e.GetSettings().Branding.Files != "" {
http.ServeFile(w, r, filepath.Join(e.GetSettings().Branding.Files, "custom.css"))
return
}
}
if !strings.HasSuffix(r.URL.Path, ".js") {
handler.ServeHTTP(w, r)
return
}
handleWithData(w, r, r.URL.Path, "application/javascript; charset=utf-8")
}))
return index, static
}