Mostra il link di disiscrizione dopo la conferma newsletter.

Passa il token unsub alla pagina di conferma e lo include anche nell'email di double opt-in.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/pages/api/newsletter/confirm.ts

@@ -79,5 +79,8 @@ export const GET: APIRoute = async ({ request, locals, url }) => {
     }
   }
 
-  return Response.redirect(new URL(okPath, request.url).toString(), 303);
+  return Response.redirect(
+    new URL(`${okPath}?unsub=${encodeURIComponent(row.unsubscribe_token)}`, request.url).toString(),
+    303,
+  );
 };

src/pages/api/newsletter/subscribe.ts

@@ -18,7 +18,11 @@ import {
 
 export const prerender = false;
 
-function confirmEmailCopy(locale: string, confirmUrl: string): { subject: string; text: string } {
+function confirmEmailCopy(
+  locale: string,
+  confirmUrl: string,
+  unsubscribeUrl: string,
+): { subject: string; text: string } {
   if (locale === 'en') {
     return {
       subject: 'Confirm your NexStudio newsletter subscription',
@@ -29,6 +33,9 @@ function confirmEmailCopy(locale: string, confirmUrl: string): { subject: string
         confirmUrl,
         '',
         'If you did not request this, you can ignore this message.',
+        '',
+        'Unsubscribe:',
+        unsubscribeUrl,
       ].join('\n'),
     };
   }
@@ -42,6 +49,9 @@ function confirmEmailCopy(locale: string, confirmUrl: string): { subject: string
         confirmUrl,
         '',
         'หากคุณไม่ได้ขอสมัคร สามารถเพิกเฉยต่อข้อความนี้ได้',
+        '',
+        'ยกเลิกการสมัคร:',
+        unsubscribeUrl,
       ].join('\n'),
     };
   }
@@ -54,6 +64,9 @@ function confirmEmailCopy(locale: string, confirmUrl: string): { subject: string
       confirmUrl,
       '',
       'Se non hai richiesto l’iscrizione, puoi ignorare questo messaggio.',
+      '',
+      'Per disiscriverti:',
+      unsubscribeUrl,
     ].join('\n'),
   };
 }
@@ -83,9 +96,9 @@ export const POST: APIRoute = async ({ request, locals, url }) => {
   }
   const email = normalizeEmail(emailRaw);
 
-  const turnstileSecret =
+  // Turnstile solo se configurato esplicitamente per la newsletter.
-    readEnv('NEWSLETTER_TURNSTILE_SECRET_KEY', runtimeEnv) ||
+  // Non riusare CONTACT_TURNSTILE_SECRET_KEY: il form footer non ha il widget.
-    readEnv('CONTACT_TURNSTILE_SECRET_KEY', runtimeEnv);
+  const turnstileSecret = readEnv('NEWSLETTER_TURNSTILE_SECRET_KEY', runtimeEnv);
   if (turnstileSecret) {
     const turnstileToken = required(form.get('cf-turnstile-response'));
     const isHuman = await verifyTurnstile(
@@ -102,6 +115,10 @@ export const POST: APIRoute = async ({ request, locals, url }) => {
   const unsubscribeToken = createToken();
   const origin = siteOrigin(url, runtimeEnv);
   const confirmUrl = absoluteUrl(origin, `/api/newsletter/confirm?token=${confirmToken}`);
+  const unsubscribeUrl = absoluteUrl(
+    origin,
+    `/api/newsletter/unsubscribe?token=${unsubscribeToken}`,
+  );
 
   if (mode !== 'live') {
     console.info('[newsletter:dev] Subscription request', {
@@ -170,7 +187,7 @@ export const POST: APIRoute = async ({ request, locals, url }) => {
       .run();
   }
 
-  const copy = confirmEmailCopy(locale, confirmUrl);
+  const copy = confirmEmailCopy(locale, confirmUrl, unsubscribeUrl);
   try {
     await sendCloudflareEmail(emailBinding, {
       fromEmail,

src/pages/newsletter/confermata.astro

@@ -1,5 +1,10 @@
 ---
 import SubpageLayout from '../../layouts/SubpageLayout.astro';
+
+const unsubToken = Astro.url.searchParams.get('unsub')?.trim() ?? '';
+const unsubHref = unsubToken
+  ? `/api/newsletter/unsubscribe?token=${encodeURIComponent(unsubToken)}`
+  : '';
 ---
 
 <SubpageLayout
@@ -10,8 +15,19 @@ import SubpageLayout from '../../layouts/SubpageLayout.astro';
 >
   <p>
     Puoi disiscriverti in qualsiasi momento dal link presente in fondo a ogni
-    messaggio.
+    messaggio della newsletter.
   </p>
+  {
+    unsubHref ? (
+      <p>
+        Oppure disiscriviti subito:{' '}
+        <a class="text-sky-400/90 hover:text-sky-300" href={unsubHref}>
+          Annulla iscrizione
+        </a>
+        .
+      </p>
+    ) : null
+  }
   <p>
     <a class="text-sky-400/90 hover:text-sky-300" href="/">Torna alla home</a>
   </p>