Handle SMTP 550 recipient-rejected errors with structured SmtpSendException

- Add SmtpSendException with smtpCode/smtpResponse/isRecipientRejected()
- smtpSend() $expect closure throws SmtpSendException (with code) instead of RuntimeException
- SmtpRelay::send() re-throws SmtpSendException so callers can inspect it
- request-access.php (new): catch 550 → roll back token+approval, return HTTP 422 with FR user message
- request-access.php (resend): catch 550 → HTTP 422 instead of silently claiming success
- StudentEmail::sendConfirmation(): catch SmtpSendException → log+false (submission not aborted)
- admin/actions/access-request.php: catch SmtpSendException post-approval → flash warning (recipient-rejected vs transient)
This commit is contained in:
Pontoporeia
2026-04-30 12:40:14 +02:00
parent 8d115dc965
commit 89b7ab476e
5 changed files with 103 additions and 6 deletions

View File

@@ -20,6 +20,7 @@ require_once __DIR__ . '/../bootstrap.php';
require_once APP_ROOT . '/src/Database.php';
require_once APP_ROOT . '/src/RateLimit.php';
require_once APP_ROOT . '/src/SmtpRelay.php';
// SmtpSendException is defined in SmtpRelay.php
header('Content-Type: application/json');
@@ -114,6 +115,18 @@ if ($existingRequest) {
'message' => 'Un nouvel email d\'accès vous a été envoyé.',
'status' => 'resent',
]);
} catch (SmtpSendException $e) {
error_log('Access request resend failed: ' . $e->getMessage());
if ($e->isRecipientRejected()) {
http_response_code(422);
echo json_encode([
'success' => false,
'message' => "L'adresse e-mail « {$email} » est introuvable sur le serveur de messagerie de l'ERG. Vérifiez l'orthographe ou utilisez une autre adresse.",
'status' => 'recipient_rejected',
]);
} else {
echo json_encode(['success' => true, 'message' => 'Votre accès est déjà approuvé. Si vous n\'avez pas reçu l\'email, contactez l\'administrateur.']);
}
} catch (Exception $e) {
error_log('Access request resend failed: ' . $e->getMessage());
echo json_encode(['success' => true, 'message' => 'Votre accès est déjà approuvé. Si vous n\'avez pas reçu l\'email, contactez l\'administrateur.']);
@@ -152,7 +165,31 @@ try {
$body = buildAutoApprovalEmail($thesis['title'], $thesis['authors'] ?? '', $accessUrl);
$plain = htmlToPlain($body);
SmtpRelay::send($db, $email, $subject, $body, $plain);
try {
SmtpRelay::send($db, $email, $subject, $body, $plain);
} catch (SmtpSendException $e) {
if ($e->isRecipientRejected()) {
// SMTP server does not know this address — roll back the approval
// so the user can retry with a valid address.
$db->getPDO()->exec(
"DELETE FROM file_access_tokens WHERE request_id = {$requestId}"
);
$db->getPDO()->exec(
"UPDATE file_access_requests
SET status = 'rejected', admin_notes = 'Adresse e-mail inconnue du serveur de messagerie (550)'
WHERE id = {$requestId}"
);
http_response_code(422);
echo json_encode([
'success' => false,
'message' => "L'adresse e-mail « {$email} » est introuvable sur le serveur de messagerie de l'ERG. Vérifiez l'orthographe ou utilisez une autre adresse.",
'status' => 'recipient_rejected',
]);
exit;
}
// Transient send failure — access is approved, email may arrive later
error_log("[request-access] Email delivery failed for approved request #{$requestId}: " . $e->getMessage());
}
http_response_code(200);
echo json_encode([
@@ -201,6 +238,10 @@ try {
]);
}
} catch (SmtpSendException $e) {
error_log('Access request SMTP failure: ' . $e->getMessage());
http_response_code(500);
echo json_encode(['success' => false, 'message' => 'Erreur lors de l\'envoi de l\'email. Veuillez réessayer.']);
} catch (Exception $e) {
error_log('Access request failed: ' . $e->getMessage());
http_response_code(500);