fix: Actually read from embedded

Previous implementation was not reading from embedded fs.

1 files changed, 18 insertions, 3 deletions

diff --git a/pkg/ext/fileserver.go b/pkg/ext/fileserver.go
index fdea08e..ee4a80b 100644
--- a/pkg/ext/fileserver.go
+++ b/pkg/ext/fileserver.go
@@ -2,6 +2,8 @@ package ext
 
 import (
 	"io/fs"
+	"mime"
+	"path/filepath"
 
 	"github.com/valyala/fasthttp"
 )
@@ -10,9 +12,22 @@ type FileSystem interface {
 	Open(name string) (fs.File, error)
 }
 
+// This is a VERY simple file server. It does not take a lot into consideration
+// and it should only be used to return small predictable files, like in the
+// static folder.
 func FileServer(rootFS FileSystem, rootPath string) fasthttp.RequestHandler {
-	return func(r *fasthttp.RequestCtx) {
-		path := r.UserValue("filepath").(string)
-		r.SendFile(rootPath + path)
+	return func(ctx *fasthttp.RequestCtx) {
+		path := ctx.UserValue("filepath").(string)
+
+		f, err := rootFS.Open(rootPath + path)
+		if err != nil {
+			InternalServerError(ctx, err)
+			return
+		}
+		defer f.Close()
+
+		m := mime.TypeByExtension(filepath.Ext(path))
+		ctx.SetContentType(m)
+		ctx.SetBodyStream(f, -1)
 	}
 }