forked from ag_kommunikation/webseite
Merge pull request '#122_umlaute_kontaktformular' (#123) from #122_umlaute_kontaktformular into #105_kontaktformular
Reviewed-on: ag_kommunikation/webseite#123
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commit
2edfdcc179
@ -1,17 +1,35 @@
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<?php
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session_start();
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function sanitize_text(string $name) {
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$text = filter_var($_POST[$name], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
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function sanitize_text(string $name, string $type) {
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$filters = array(
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'text' => FILTER_SANITIZE_SPECIAL_CHARS,
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'email' => FILTER_SANITIZE_EMAIL,
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);
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$text = trim($text);
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$text = filter_var($_POST[$name], $filters[$type]);
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$text = stripslashes($text);
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$text = htmlspecialchars($text);
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return $text;
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}
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function prepare_message_body($message) {
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// Replace HTML-Entities with actual carriage returns and line feeds
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$message = str_replace(" ", "\r", $message);
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$message = str_replace(" ", "\r", $message);
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// Ensure line breaks via carriage return + line feed
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$message = str_replace("\r\n", "\n", $message);
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$message = str_replace("\n", "\r\n", $message);
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$message = "Nachricht von: $name\r\n\r\n" . $message;
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$message = base64_encode($message);
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return $message;
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}
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/**
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* Sending email (Platzhalter)
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* Sending email
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*
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* mail(): Braucht auf dem Server einen korrekt konfigurierten Mailserver
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* phpmailer: Bibliothek, der per Composer installiert wird. Tut ganz gut mit SMTP.
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@ -19,12 +37,14 @@ function sanitize_text(string $name) {
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function send_message_to_office($subject, $message, $name, $email) {
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return mail(
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getenv('WTF_CONTACT_TO'),
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$subject,
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$name . "\r\n" . $message,
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"=?UTF-8?B?" . base64_encode($subject) . "?=",
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prepare_message_body($message),
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$additional_headers = array(
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"From" => getenv('WTF_CONTACT_FROM'),
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"Reply-To" => $email,
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"Return-Path" => getenv('WTF_RETURN_PATH'),
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"Content-Type" => "text/plain; charset=utf-8",
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"Content-Transfer-Encoding" => "base64",
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),
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);
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}
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@ -75,10 +95,10 @@ function prepare_response() {
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$response['errors'][] = 'Wir glauben Sie sind ein Bot.';
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}
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if (!array_key_exists('errors', $response)) {
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$subject = sanitize_text('subject');
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$message = sanitize_text('message');
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$name = sanitize_text('name');
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$email = sanitize_text('email');
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$subject = sanitize_text('subject', 'text');
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$message = sanitize_text('message', 'text');
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$name = sanitize_text('name', 'text');
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$email = sanitize_text('email', 'email');
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if (!send_message_to_office($subject, $message, $name, $email)) {
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$response['errors'][] = 'Ihre Nachricht konnte nicht übermittelt werden.';
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