1 files changed, 57 insertions, 0 deletions
diff --git a/http/static.go b/http/static.go
new file mode 100644
index 00000000..3bd69160
--- /dev/null
+++ b/http/static.go
@@ -0,0 +1,57 @@
+package http
+
+import (
+	"github.com/sirupsen/logrus"
+	"net/http"
+	"os"
+	"path"
+	"strings"
+)
+
+// staticServer serves static files
+type staticServer struct {
+	cfg  *FsConfig
+	root http.Dir
+}
+
+// serve attempts to serve static file and returns true in case of success, will return false in case if file not
+// found, not allowed or on read error.
+func (svr *staticServer) serve(w http.ResponseWriter, r *http.Request) bool {
+	fPath := r.URL.Path
+	if !strings.HasPrefix(fPath, "/") {
+		fPath = "/" + fPath
+	}
+	fPath = path.Clean(fPath)
+
+	if svr.cfg.Forbids(fPath) {
+		logrus.Warningf("attempt to access forbidden file %s", fPath) // todo: better logs
+		return false
+	}
+
+	f, err := svr.root.Open(fPath)
+	if err != nil {
+		if !os.IsNotExist(err) {
+			logrus.Error(err) //todo: rr or access error
+		}
+
+		return false
+	}
+	defer f.Close()
+
+	d, err := f.Stat()
+	if err != nil {
+		logrus.Error(err) //todo: rr or access error
+
+		// todo: do i need it, bypass log?
+
+		return false
+	}
+
+	if d.IsDir() {
+		// do not serve directories
+		return false
+	}
+
+	http.ServeContent(w, r, d.Name(), d.ModTime(), f)
+	return true
+}