feat(SW-158): Implemented seamless login in magic link login

middlewares/currentWebLoginEmail.ts

@@ -0,0 +1,33 @@
+import { NextResponse } from "next/server"
+
+import { badRequest } from "@/server/errors/next"
+
+import { findLang } from "@/utils/languages"
+
+import type { NextMiddleware } from "next/server"
+
+import type { MiddlewareMatcher } from "@/types/middleware"
+
+export const middleware: NextMiddleware = (request) => {
+  const returnUrl = request.nextUrl.searchParams.get("returnurl")
+
+  if (!returnUrl) {
+    return badRequest()
+  }
+
+  const lang = findLang(request.nextUrl.pathname)!
+
+  const headers = new Headers(request.headers)
+  headers.set("x-returnurl", returnUrl)
+  headers.set("x-magic-link", "1")
+
+  return NextResponse.rewrite(new URL(`/${lang}/login`, request.nextUrl), {
+    request: {
+      headers,
+    },
+  })
+}
+
+export const matcher: MiddlewareMatcher = (request) => {
+  return request.nextUrl.pathname.endsWith("/updateloginemail")
+}