feat: improve structure and error handling

app/[lang]/(live)/(public)/login/route.ts

@@ -3,7 +3,7 @@ import { AuthError } from "next-auth"
 
 import { Lang } from "@/constants/languages"
 import { env } from "@/env/server"
-import { badRequest, internalServerError } from "@/server/errors/next"
+import { internalServerError } from "@/server/errors/next"
 
 import { signIn } from "@/auth"
 
@@ -22,17 +22,15 @@ export async function GET(
     // Normal login request from New web
     redirectTo =
       request.cookies.get("redirectTo")?.value || // Cookie gets set by authRequired middleware
-      request.headers.get("x-redirect-to") ||
       request.nextUrl.searchParams.get("redirectTo") ||
-      ""
+      "/"
 
-    // If above fails, always redirect to startpage
-    if (!redirectTo) {
+    // Make relative URL to absolute URL
+    if (redirectTo.startsWith("/")) {
       if (!env.PUBLIC_URL) {
         throw internalServerError("No value for env.PUBLIC_URL")
       }
-      redirectTo = env.PUBLIC_URL
-      console.log({ login_fallback: redirectTo })
+      redirectTo = new URL(redirectTo, env.PUBLIC_URL).href
     }
 
     // Clean up cookie from authRequired middleware
@@ -104,11 +102,11 @@ export async function GET(
     }
   } catch (error) {
     if (error instanceof AuthError) {
-      console.log({ signInAuthError: error })
+      console.error({ signInAuthError: error })
     } else {
-      console.log({ signInError: error })
+      console.error({ signInError: error })
     }
   }
 
-  return badRequest()
+  return internalServerError()
 }