webseite/assets/php/contact_form.php

78 lines
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PHP
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<?php
$message = '';
$name = '';
$email = '';
function sanitize_text(string $name) {
$text = filter_var($_POST[$name], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$text = trim($text);
$text = stripslashes($text);
$text = htmlspecialchars($text);
return $text;
}
/**
* Sending email (Platzhalter)
*
* mail(): Braucht auf dem Server einen korrekt konfigurierten Mailserver
* phpmailer: Bibliothek, der per Composer installiert wird. Tut ganz gut mit SMTP.
*/
function send_message_to_office($message, $name, $email) {
return true;
}
function send_response($response_data) {
$json = json_encode($response_data);
if ($json === false) {
// Avoid echo of empty string (which is invalid JSON), and
// JSONify the error message instead:
$json = json_encode(["jsonError" => json_last_error_msg()]);
if ($json === false) {
// This should not happen, but …
$json = '{"jsonError":"unknown"}';
}
// Set HTTP response status code to: 500 - Internal Server Error
http_response_code(500);
}
header('Content-type: application/json');
echo $json;
}
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$response = array();
if (
empty($_POST['message']) ||
empty($_POST['email']) ||
empty($_POST['name']) ||
$_POST['captcha'] != 'Nudelsuppe'
) {
if (empty($_POST['message'])) {
$response['errors'][] = 'Du hast keine Nachricht eingegeben.';
}
if (empty($_POST['email'])) {
$response['errors'][] = 'Du hast keine E-Mail-Adresse eingegeben.';
}
if (empty($_POST['name'])) {
$response['errors'][] = 'Du hast keinen Namen eingegeben.';
}
if ($_POST['captcha'] != 'Nudelsuppe') {
$response['errors'][] = 'Wir glauben du bist ein Bot.';
}
} else {
$message = sanitize_text('message');
$name = sanitize_text('name');
$email = sanitize_text('email');
if (!send_message_to_office($message, $name, $email)) {
$response['errors'][] = 'Deine Nachricht konnte nicht übermittelt werden.';
} else {
$response['status'] = 'ok';
}
}
send_response($response);
} else {
http_response_code(404);
}