pkg/api/api0, web: Implement static site handler, move redirects

2 files changed, 42 insertions, 7 deletions

diff --git a/web/assets.go b/web/assets.go
deleted file mode 100644
index af600f4..0000000
--- a/web/assets.go
+++ /dev/null
@@ -1,7 +0,0 @@
-// Package web contains the files for the Northstar website.
-package web
-
-import "embed"
-
-//go:embed index.html assets/* script/* style/*
-var Assets embed.FS
diff --git a/web/web.go b/web/web.go
new file mode 100644
index 0000000..f76db8e
--- /dev/null
+++ b/web/web.go
@@ -0,0 +1,42 @@
+// Package web contains the files for the Northstar website.
+package web
+
+import (
+	"embed"
+	"net/http"
+	"strings"
+	"time"
+)
+
+//go:embed index.html assets/* script/* style/*
+var Assets embed.FS
+
+// TODO: compress assets
+// TODO: probably better to put website in a separate repo
+
+var Redirects = map[string]string{
+	"/github":       "https://github.com/R2Northstar",
+	"/discord":      "https://discord.gg/northstar",
+	"/wiki":         "https://r2northstar.gitbook.io/",
+	"/thunderstore": "https://northstar.thunderstore.io",
+}
+
+// TODO: probably better to make redirects configurable via a JSON file or something
+
+func ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	// - cache publicly, allow reusing responses for multiple users
+	// - allow reusing responses if server is down
+	// - cache for up to 1800s
+	// - check for updates after 900s
+	w.Header().Set("Cache-Control", "public, max-age=1800, stale-while-revalidate=900")
+	w.Header().Set("Expires", time.Now().UTC().Add(time.Second*1800).Format(http.TimeFormat))
+
+	// check redirects first
+	if u, ok := Redirects[strings.TrimSuffix(r.URL.Path, "/")]; ok {
+		http.Redirect(w, r, u, http.StatusTemporaryRedirect)
+		return
+	}
+
+	// this handles range requests, etags, time, etc
+	http.FileServer(http.FS(Assets)).ServeHTTP(w, r)
+}