Add Create Root User page

server/auth.ts

@@ -0,0 +1,24 @@
+import { parse_bool } from "./parse.ts";
+import { set_state } from "./state.ts";
+import type { StatusData } from "./status.ts";
+import type { BUser } from "./user.ts";
+import type { JSONResult } from "./utils.ts";
+
+export async function check_auth_status() {
+    const re = await fetch("/api/user");
+    const u: JSONResult<BUser> = await re.json();
+    if (u.ok) return true;
+    if (u.status !== 404 && u.status !== 1) {
+        throw Error(u.error);
+    }
+    const re2 = await fetch("/api/status");
+    const s: JSONResult<StatusData> = await re2.json();
+    if (!s.ok) {
+        throw Error(u.error);
+    }
+    if (s.data.no_user) {
+        if (!parse_bool(localStorage.getItem("skip_create_root_user"), false)) {
+            set_state("#/create_root_user");
+        }
+    }
+}

server/user.ts

@@ -0,0 +1,8 @@
+import type { UserPermission } from "../db.ts";
+
+export type BUser = {
+    id: number;
+    username: string;
+    is_admin: boolean;
+    permissions: UserPermission;
+};

server/utils.ts

@@ -13,14 +13,17 @@ export type JSONResult<T> = {
     error: string;
 };
 
-function gen_response<T>(d: JSONResult<T>, status = 200) {
+function gen_response<T>(
+    d: JSONResult<T>,
+    status = 200,
+    headers: HeadersInit = {},
+) {
     if (d.status !== 0) {
         status = (d.status >= 400 && d.status < 600) ? d.status : 400;
     }
-    return new Response(JSON.stringify(d), {
-        status,
-        headers: { "Content-Type": "application/json" },
-    });
+    const h = new Headers(headers);
+    h.set("Content-Type", "application/json");
+    return new Response(JSON.stringify(d), { status, headers: h });
 }
 
 export function return_error<T = unknown>(
@@ -30,8 +33,12 @@ export function return_error<T = unknown>(
     return gen_response<T>({ ok: false, status, error });
 }
 
-export function return_data<T = unknown>(data: T, status = 200) {
-    return gen_response<T>({ ok: true, status: 0, data }, status);
+export function return_data<T = unknown>(
+    data: T,
+    status = 200,
+    headers: HeadersInit = {},
+) {
+    return gen_response<T>({ ok: true, status: 0, data }, status, headers);
 }
 
 export function return_json<T = unknown>(data: T, status = 200) {