slightly less basic routing

main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"log"
 	"net/http"
+	"strings"
 	"time"
 )
 
@@ -22,18 +23,43 @@ type RootHandler struct {
 	Pages    PageProvider
 }
 
-func (h *RootHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	if r.URL.Path == "/admin" {
+type AdminHandler struct {
+	Sessions SessionProvider
+}
+
+func (h *AdminHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	w.Write([]byte("admin route"))
+}
+
+func (h *RootHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	if strings.HasPrefix(r.URL.Path, "/admin") {
+		(&AdminHandler{
+			Sessions: h.Sessions,
+		}).ServeHTTP(w, r)
 		return
 	}
+	// attempt to serve from the managed pages
 	page, err := h.Pages.Page(r.URL.Path)
-	if err == ErrPageNotFound {
-		w.WriteHeader(http.StatusNotFound)
-		w.Write([]byte("not found"))
+	if err == nil {
+		w.Write(page.Contents)
 		return
 	}
-	w.Write(page.Contents)
+	// fall back to serving out of the static directory, but:
+	// 1. prevent the generated indexes from rendering
+	if strings.HasSuffix(r.URL.Path, "/") {
+		http.NotFound(w, r)
+		return
+	}
+	// 2. prevent hidden paths from rendering
+	for _, seg := range strings.Split(r.URL.Path, "/") {
+		if strings.HasPrefix(seg, ".") {
+			http.NotFound(w, r)
+			return
+		}
+	}
+	// finally, use the built-in fileserver to serve
+	fs := http.FileServer(http.Dir("./static"))
+	fs.ServeHTTP(w, r)
 }
 
 func main() {
@@ -44,6 +70,9 @@ func main() {
 	handler.Pages.Save("foo", &Page{
 		Contents: []byte("foobar"),
 	})
+	handler.Pages.Save("index", &Page{
+		Contents: []byte("root"),
+	})
 
 	err := http.ListenAndServe(":8080", handler)
 	log.Fatalf("server error: %v", err)

model.go

@@ -59,11 +59,11 @@ func (i *Index) Page(key string) (*Page, error) {
 // overwriting any that may have existed before.
 // `foo/` is stored as a page named 'foo' in the current index;
 // default 'index' files should be explicitly passed as such.
-// The empty key or `/` are invalid and result in an error.
+// The empty key or `/` are turned into the "index" key.
 // Leading slashes are stripped.
 func (i *Index) Save(key string, page *Page) error {
 	if key == "" || key == "/" {
-		return fmt.Errorf("invalid page key")
+		key = "index"
 	}
 	if key[0] == '/' { // strip leading slash
 		key = key[1:]

static/.gitignore

@@ -0,0 +1,4 @@
+# Ignore all files in this dir...
+*
+# ... except for this one.
+!.gitignore