changed login and logout to adapt to domain and added ToU

routes/logout.tsx

@@ -2,7 +2,6 @@ import { Handlers } from "$fresh/server.ts";
 import { State } from "$root/routes/_middleware.ts";
 import { deleteCookie } from "$std/http/cookie.ts";
 
-const SERVICE = "https://localhost/";
 const CAS = "https://ident.univ-amu.fr/cas";
 
 // deno-lint-ignore no-explicit-any
@@ -12,7 +11,7 @@ export const handler: Handlers<any, State> = {
       const headers = new Headers();
 
       deleteCookie(headers, "sessionToken", { path: "/" });
-      headers.set("Location", `${CAS}/logout?service=${SERVICE}`);
+      headers.set("Location", `${CAS}/logout?service=${context.url.origin}`);
 
       return new Response(null, {
         status: 302,