Add user login, signup, and session.

lib/server_functions/userAuth.ts

@@ -0,0 +1,32 @@
+import { cookies } from "next/headers";
+import { redirect } from "next/navigation";
+
+import { createUser, loginUser } from "../api/helpers/users";
+import { Token } from "../api/types";
+
+export async function login(formData: FormData) {
+  "use server";
+  const token = await loginUser(formData);
+  await createSession(token);
+  redirect("/admin/overview");
+}
+
+export async function signup(formData: FormData) {
+  // Technically same code as login for now but will do different stuff with it later so separating it early on
+  "use server";
+  const token = await createUser(formData);
+  await createSession(token);
+  redirect("/admin/overview");
+}
+
+export async function createSession(token: Token) {
+  const access_token = token.access_token;
+  const cookieStore = await cookies();
+
+  cookieStore.set("access_token", access_token, {
+    httpOnly: true,
+    secure: true,
+    sameSite: "lax",
+    path: "/",
+  });
+}