feat: v2 (#599)

Read https://github.com/filebrowser/filebrowser/pull/575.

Former-commit-id: 7aedcaaf72b863033e3f089d6df308d41a3fd00c [formerly bdbe4d49161b901c4adf9c245895a1be2d62e4a7] [formerly acfc1ec67c423e0b3e065a8c1f8897c5249af65b [formerly d309066def8319e9da89d00ca6463ec4aea62d34]]
Former-commit-id: 0c7d925a38a68ccabdf2c4bbd8c302ee89b93509 [formerly a6173925a1382955d93b334ded93f70d6dddd694]
Former-commit-id: e032e0804dd051df86f42962de2b39caec5318b7

http/data.go

@@ -0,0 +1,70 @@
+package http
+
+import (
+	"log"
+	"net/http"
+	"strconv"
+
+	"github.com/filebrowser/filebrowser/v2/runner"
+	"github.com/filebrowser/filebrowser/v2/settings"
+	"github.com/filebrowser/filebrowser/v2/storage"
+	"github.com/filebrowser/filebrowser/v2/users"
+)
+
+type handleFunc func(w http.ResponseWriter, r *http.Request, d *data) (int, error)
+
+type data struct {
+	*runner.Runner
+	settings *settings.Settings
+	store    *storage.Storage
+	user     *users.User
+	raw      interface{}
+}
+
+// Check implements rules.Checker.
+func (d *data) Check(path string) bool {
+	for _, rule := range d.user.Rules {
+		if rule.Matches(path) {
+			return rule.Allow
+		}
+	}
+
+	for _, rule := range d.settings.Rules {
+		if rule.Matches(path) {
+			return rule.Allow
+		}
+	}
+
+	return true
+}
+
+func handle(fn handleFunc, prefix string, storage *storage.Storage) http.Handler {
+	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		settings, err := storage.Settings.Get()
+		if err != nil {
+			log.Fatalln("ERROR: couldn't get settings")
+			return
+		}
+
+		status, err := fn(w, r, &data{
+			Runner:   &runner.Runner{Settings: settings},
+			store:    storage,
+			settings: settings,
+		})
+
+		if status != 0 {
+			txt := http.StatusText(status)
+			http.Error(w, strconv.Itoa(status)+" "+txt, status)
+		}
+
+		if status >= 400 || err != nil {
+			log.Printf("%s: %v %s %v", r.URL.Path, status, r.RemoteAddr, err)
+		}
+	})
+
+	if prefix == "" {
+		return handler
+	}
+
+	return http.StripPrefix(prefix, handler)
+}