resend verification mail

src/controllers/auth_pages.rs

@@ -185,6 +185,62 @@ fn verified_view(v: &TeraView, jar: &CookieJar, ok: bool) -> Result<Response> {
     )
 }
 
+/// Resend the email-verification link. Throttled per account (see
+/// [`users::Model::verification_resend_wait_secs`]) so it can't be used to spam
+/// an inbox, and always returns the same neutral message so it can't be used to
+/// probe which addresses are registered.
+#[derive(Debug, serde::Deserialize)]
+struct ResendVerificationForm {
+    email: String,
+}
+
+fn resend_verification_view(v: &TeraView, jar: &CookieJar, done: bool) -> Result<Response> {
+    format::view(
+        v,
+        "auth/resend_verification.html",
+        json!({
+            "done": done,
+            "logged_in_admin": false,
+            "lang": current_lang(jar),
+        }),
+    )
+}
+
+#[debug_handler]
+async fn resend_verification_page(
+    jar: CookieJar,
+    ViewEngine(v): ViewEngine<TeraView>,
+) -> Result<Response> {
+    resend_verification_view(&v, &jar, false)
+}
+
+#[debug_handler]
+async fn resend_verification(
+    jar: CookieJar,
+    ViewEngine(v): ViewEngine<TeraView>,
+    State(ctx): State<AppContext>,
+    Form(form): Form<ResendVerificationForm>,
+) -> Result<Response> {
+    // Resend only for a real, still-unverified account that is past its cooldown.
+    // Anything else (unknown email, already verified, too soon) silently does
+    // nothing — the response is identical either way.
+    if let Ok(user) = users::Model::find_by_email(&ctx.db, form.email.trim()).await {
+        if user.email_verified_at.is_none() && user.verification_resend_wait_secs() == 0 {
+            match user.into_active_model().set_email_verification_sent(&ctx.db).await {
+                Ok(user) => {
+                    if let Err(err) = AuthMailer::send_welcome(&ctx, &user).await {
+                        tracing::error!(error = %err, "failed to resend verification email");
+                    }
+                }
+                Err(err) => tracing::error!(error = %err, "failed to refresh verification token"),
+            }
+        } else {
+            tracing::info!("verification resend skipped (already verified or within cooldown)");
+        }
+    }
+    resend_verification_view(&v, &jar, true)
+}
+
 /// Set-password form for accounts created during checkout (and any account that
 /// has a valid reset token). Reuses the password-reset token machinery.
 #[derive(Debug, serde::Deserialize)]
@@ -276,6 +332,8 @@ pub fn routes() -> Routes {
         .add("/register", get(register_page))
         .add("/register", post(register))
         .add("/verify/{token}", get(verify))
+        .add("/resend-verification", get(resend_verification_page))
+        .add("/resend-verification", post(resend_verification))
         .add("/set-password/{token}", get(set_password_page))
         .add("/set-password", post(set_password))
         .add("/logout", post(logout))