fix(WEB-132): absolute seamless login return urls

middlewares/authRequired.ts

@@ -1,10 +1,11 @@
 import { NextResponse } from "next/server"
 
-import { auth } from "@/auth"
 import { findLang } from "@/constants/languages"
 import { authRequired } from "@/constants/routes/authRequired"
 import { login } from "@/constants/routes/handleAuth"
 
+import { auth } from "@/auth"
+
 import type { NextMiddleware } from "next/server"
 
 import type { MiddlewareMatcher } from "@/types/middleware"
@@ -44,8 +45,15 @@ export const middleware = auth(async (request) => {
     return NextResponse.next()
   }
 
+  const headers = new Headers()
+  headers.append(
+    "set-cookie",
+    `redirectTo=${encodeURIComponent(nextUrl.href)}; Path=/; HttpOnly; SameSite=Lax`
+  )
   const loginUrl = login[lang]
-  return NextResponse.redirect(new URL(loginUrl, request.nextUrl))
+  return NextResponse.redirect(new URL(loginUrl, request.nextUrl), {
+    headers,
+  })
 }) as NextMiddleware // See comment above
 
 export const matcher: MiddlewareMatcher = (request) => {