Implement Zammad contact form
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Closes #190
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8aa0599432
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GPG Key ID:
EE936E31EE3AEE7A
@ -1087,40 +1087,16 @@ hr.-even {
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justify-content: flex-start;
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}
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.contact_form--required {
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color: var(--dark-red)
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}
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.contact_form__textarea,
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.contact_form__text_input,
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.contact_form__captcha {
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display: flex;
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flex-direction: column;
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}
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.contact_form__message {
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height: 12em;
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}
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.contact_form__subject,
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.contact_form__message,
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.contact_form__name,
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.contact_form__email,
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.contact_form__captcha {
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.zammad-form-control {
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font-family: 'Lato', sans-serif;
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line-height: 1.3rem;
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font-size: 1rem;
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}
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.contact_form__submit_button {
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.zammad-form .btn {
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font-size: 1rem;
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padding: 0 0.25rem;
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}
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/* Hide captcha field as part of spam protection. We got no real captcha. */
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.contact_form__captcha {
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display: none;
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}
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/* main - Ende */
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/* footer - Start */
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@ -1,95 +0,0 @@
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const contactFormAjaxUrl = '/php/contact_form.php';
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window.addEventListener('DOMContentLoaded', function() {
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const contact_form = document.getElementsByClassName('content__contact_form')[0];
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if (contact_form) {
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contact_form.addEventListener('submit', wtf_submitContactForm, false);
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wtf_startContactFormSession();
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}
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});
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function wtf_startContactFormSession() {
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let formData = new FormData();
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formData.append('action', 'start_session');
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fetch(contactFormAjaxUrl, {
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method: 'POST',
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mode: 'same-origin',
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body: formData,
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})
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.then(response => {
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if (!response.ok) {
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throw new Error('Response was not OK');
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}
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return response.json();
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})
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.then(json => {
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console.log(json);
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})
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.catch(error => {
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console.error('Could not start the session:', error);
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});
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}
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function wtf_submitContactForm(event) {
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event.preventDefault();
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const subject = document.getElementsByClassName('contact_form__subject')[0];
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const message = document.getElementsByClassName('contact_form__message')[0];
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const name = document.getElementsByClassName('contact_form__name')[0];
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const email = document.getElementsByClassName('contact_form__email')[0];
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const captcha = document.getElementsByClassName('contact_form__captcha')[0];
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let formData = new FormData();
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formData.append('action', 'handle_form');
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formData.append('subject', subject.value);
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formData.append('message', message.value);
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formData.append('name', name.value);
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formData.append('email', email.value);
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// If some bot entered some value, return.
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if (typeof captcha.value == 'undefined') {
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formData.append('captcha', 'Nudelsuppe');
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} else {
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console.log('bot detected');
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return;
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}
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fetch(contactFormAjaxUrl, {
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method: 'POST',
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mode: 'same-origin',
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body: formData,
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})
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.then(response => response.json())
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.then(json => {
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const feedback = document.getElementsByClassName('contact_form__feedback')[0];
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console.log(json);
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if (json.errors) {
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feedback.classList.remove('--success');
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feedback.classList.add('--error');
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// Über errors iterieren und diese ausgeben (evtl. nur ersten Fehler ausgeben?)
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let error_message = '';
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json.errors.forEach(function(error){
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/**
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* Nur Zeilenumbrüche wenn mehrer Fehlermeldungen existieren,
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* aber bei der letzten nicht.
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*/
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if (json.errors.length > 1) {
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if (error == json.errors[json.errors.length - 1]) {
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error_message = error_message + error;
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} else {
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error_message = error_message + error + '<br>';
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}
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} else {
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error_message = error_message + error;
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}
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})
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feedback.innerHTML = error_message;
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} else if (json.status == 'ok') {
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feedback.classList.remove('--error');
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feedback.classList.add('--success');
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feedback.textContent = "Ihre Nachricht wurde erfolgreich ans Office geschickt.";
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}
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})
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.catch(error => console.log(error));
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}
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2
assets/js/jquery-3.7.1.min.js
vendored
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2
assets/js/jquery-3.7.1.min.js
vendored
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File diff suppressed because one or more lines are too long
@ -1,139 +0,0 @@
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<?php
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session_start();
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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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$text = filter_var(trim($_POST[$name]), $filters[$type]);
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$text = stripslashes($text);
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return $text;
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}
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function prepare_message_body(string $message, string $name) {
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// Replace HTML-Entities with actual carriage returns and line feeds
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$message = str_replace(" ", "\r", $message);
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$message = str_replace(" ", "\n", $message);
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// Ensure line breaks via carriage return + line feed
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$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
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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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*/
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function send_message_to_office(string $subject, string $message, string $name, string $email) {
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$returnPath = filter_var(getenv('WTF_RETURN_PATH'), FILTER_VALIDATE_EMAIL);
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$to = filter_var(getenv('WTF_CONTACT_TO'), FILTER_VALIDATE_EMAIL);
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if (!$returnPath || !$to) {
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error_log('Address for "To" or "Return-Path" is invalid');
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return false;
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}
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return mail(
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$to,
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"=?UTF-8?B?" . base64_encode($subject) . "?=",
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prepare_message_body($message, $name),
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array(
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"From" => getenv('WTF_CONTACT_FROM'),
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"Reply-To" => $email,
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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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"-f $returnPath"
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);
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}
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function send_response(array $response_data) {
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$json = json_encode($response_data);
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if ($json === false) {
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// Avoid echo of empty string (which is invalid JSON), and
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// JSONify the error message instead:
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$json = json_encode(["jsonError" => json_last_error_msg()]);
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if ($json === false) {
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// This should not happen, but …
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$json = '{"jsonError":"unknown"}';
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}
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// Set HTTP response status code to: 500 - Internal Server Error
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http_response_code(500);
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}
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header('Content-type: application/json');
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echo $json;
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}
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function prepare_response() {
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$response = array();
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if (empty($_POST['message'])) {
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$response['errors'][] = 'Sie haben keine Nachricht eingegeben.';
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}
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if (empty($_POST['email'])) {
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$response['errors'][] = 'Sie haben keine E-Mail-Adresse eingegeben.';
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}
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if (empty($_POST['name'])) {
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$response['errors'][] = 'Sie haben keinen Namen eingegeben.';
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}
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if (empty($_POST['subject'])) {
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$response['errors'][] = 'Sie haben keinen Betreff eingegeben.';
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}
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/**
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* Idee zur Bot-Erkennung:
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* 1. Ein Bot hat das Pseudocaptcha entweder leer abgeschickt, oder sich selbst etwas ausgedacht.
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* 2. Ein Bot schickt die Daten in unter 5s ab.
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* 3. Ein Mensch braucht nicht länger als 60min.
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*/
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if (
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$_POST['captcha'] != 'Nudelsuppe' or
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time() - $_SESSION['start_time'] < 5 or
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time() - $_SESSION['start_time'] > 3600
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) {
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$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', '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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} else {
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$response['status'] = 'ok';
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}
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}
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return $response;
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}
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if ($_SERVER["REQUEST_METHOD"] == "POST") {
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$response = array();
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if (empty($_POST['action'])){
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$response['errors'][] = 'Kann eigentlich nicht passieren :/';
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} else {
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if ($_POST['action'] == 'start_session') {
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$_SESSION['start_time'] = time();
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// $response['session_start_time'] = $_SESSION['start_time'];
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// $response['session_id_before'] = session_id();
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} elseif ($_POST['action'] == 'handle_form') {
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$response = prepare_response();
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session_destroy();
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} else {
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$response['errors'][] = 'Kann eigentlich auch nicht passieren :/';
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}
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}
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send_response($response);
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} else {
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http_response_code(404);
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}
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@ -135,17 +135,10 @@ kompetenzen_heading: Expertise
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---
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contact_form_button: Send message
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---
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contact_form_email: Email address
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---
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contact_form_heading: Contact
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---
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contact_form_info:
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Your email address will not be published.<br>
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<span aria-hidden="true">Required fields are marked <span class="contact_form--required" aria-hidden="true">*</span>
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---
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contact_form_message: Message
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Your email address will not be published.
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---
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contact_form_subheading: Contact form
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---
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contact_form_subject: Subject
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@ -138,19 +138,10 @@ kompetenzen_heading: Kompetenzen
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---
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contact_form_button: Anfrage abschicken
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---
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contact_form_email: E-Mail-Adresse
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---
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contact_form_heading: Kontakt
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---
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contact_form_info:
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Deine E-Mail-Adresse wird nicht veröffentlicht.<br>
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<span aria-hidden="true">Erforderliche Felder sind gekennzeichnet <span class="contact_form--required" aria-hidden="true">*</span>
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---
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contact_form_message: Nachricht
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---
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contact_form_name: Name
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Deine E-Mail-Adresse wird nicht veröffentlicht.
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---
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contact_form_subheading: Kontaktformular
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---
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contact_form_subject: Betreff
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@ -89,35 +89,10 @@
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<div class="content__box">
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<div class="content__inner_box -width_constraint content__contact_form_wrapper">
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<h2 id="contact">{{ this.contact_form_subheading }}</h2>
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<form id="contact_form" class="content__contact_form">
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<p class="contact_form__note">
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{{ this.contact_form_info }}
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</p>
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<p class="contact_form__text_input">
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<label for="name">{{ this.contact_form_subject }} <span class="contact_form--required" aria-hidden="true">*</span></label>
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<input id="name" class="contact_form__subject" name="subject" type="text" value="" size="30" maxlength="245" required />
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</p>
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<p class="contact_form__textarea">
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<label for="message">{{ this.contact_form_message }} <span class="contact_form--required" aria-hidden="true">*</span></label>
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<textarea id="message" class="contact_form__message" aria-label="message" aria-hidden="true" cols="65" rows="7" name="message" required></textarea>
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</p>
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<p class="contact_form__text_input">
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<label for="name">{{ this.contact_form_name }} <span class="contact_form--required" aria-hidden="true">*</span></label>
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<input id="name" class="contact_form__name" name="name" type="text" value="" size="30" maxlength="245" required />
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</p>
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<p class="contact_form__text_input">
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<label for="email">{{ this.contact_form_email }} <span class="contact_form--required" aria-hidden="true">*</span></label>
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<input id="email" class="contact_form__email" name="email" type="email" value="" size="30" maxlength="100" aria-describedby="email-address" required />
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</p>
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<p class="contact_form__captcha">
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<label for="captcha">Captcha <span class="contact_form--required" aria-hidden="true">*</span></label>
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<input id="captcha" class="contact_form__captcha" name="captcha" type="captcha" value="…" size="30" maxlength="100" required placeholder="Wie viele Ecken hat ein Pentagramm?"/>
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</p>
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<p class="contact_form__submit">
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<input name="submit" type="submit" id="submit" class="contact_form__submit_button" value="{{ this.contact_form_button }}" />
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<p class="contact_form__feedback"></p>
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</p>
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</form>
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<div id="zammad-feedback-form"></div>
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</div>
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</div>
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</section>
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@ -132,7 +132,29 @@ __ ____________________
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{%- if '/js/nav_toggle.js'|asseturl is defined -%}
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<script type="text/javascript" src="{{ '/js/nav_toggle.js'|asseturl }}"></script>
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{%- endif %}
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{% if '/js/contact_form.js'|asseturl is defined and this.title == 'Services' -%}
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<script type="text/javascript" src="{{ '/js/contact_form.js'|asseturl }}"></script>
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{%- if '/js/jquery-3.7.1.min.js'|asseturl is defined -%}
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<script type="text/javascript" src="{{ '/js/jquery-3.7.1.min.js'|asseturl }}"></script>
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{%- endif %}
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<script id="zammad_form_script" src="https://tickets.wtf-eg.de/assets/form/form.js"></script>
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<script>
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$(function() {
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$('#zammad-feedback-form').ZammadForm({
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messageSubmit: '{{ this.contact_form_button }}',
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messageThankYou: 'Vielen Dank für Deine Anfrage. Wir melden uns umgehend.',
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noCSS: false,
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messageTitle: 'Kontaktformular',
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translations: {
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'de': {
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'Attachments': 'Anhänge',
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'Email': 'E-Mail',
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'Message': 'Nachricht',
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'Name': 'Name',
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'Your Email': 'Deine E-Mail',
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'Your Message…': 'Deine Nachricht',
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'Your Name': 'Dein Name',
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},
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}
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});
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});
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</script>
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</body>
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