Implement Zammad contact form
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Closes #190
This commit is contained in:
Brain 2024-12-03 22:13:06 +01:00
parent 8aa0599432
commit d8884ba9ea
Signed by: Brain
GPG Key ID: EE936E31EE3AEE7A
8 changed files with 34 additions and 309 deletions

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@ -1087,40 +1087,16 @@ hr.-even {
justify-content: flex-start;
}
.contact_form--required {
color: var(--dark-red)
}
.contact_form__textarea,
.contact_form__text_input,
.contact_form__captcha {
display: flex;
flex-direction: column;
}
.contact_form__message {
height: 12em;
}
.contact_form__subject,
.contact_form__message,
.contact_form__name,
.contact_form__email,
.contact_form__captcha {
.zammad-form-control {
font-family: 'Lato', sans-serif;
line-height: 1.3rem;
font-size: 1rem;
}
.contact_form__submit_button {
.zammad-form .btn {
font-size: 1rem;
padding: 0 0.25rem;
}
/* Hide captcha field as part of spam protection. We got no real captcha. */
.contact_form__captcha {
display: none;
}
/* main - Ende */
/* footer - Start */

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@ -1,95 +0,0 @@
const contactFormAjaxUrl = '/php/contact_form.php';
window.addEventListener('DOMContentLoaded', function() {
const contact_form = document.getElementsByClassName('content__contact_form')[0];
if (contact_form) {
contact_form.addEventListener('submit', wtf_submitContactForm, false);
wtf_startContactFormSession();
}
});
function wtf_startContactFormSession() {
let formData = new FormData();
formData.append('action', 'start_session');
fetch(contactFormAjaxUrl, {
method: 'POST',
mode: 'same-origin',
body: formData,
})
.then(response => {
if (!response.ok) {
throw new Error('Response was not OK');
}
return response.json();
})
.then(json => {
console.log(json);
})
.catch(error => {
console.error('Could not start the session:', error);
});
}
function wtf_submitContactForm(event) {
event.preventDefault();
const subject = document.getElementsByClassName('contact_form__subject')[0];
const message = document.getElementsByClassName('contact_form__message')[0];
const name = document.getElementsByClassName('contact_form__name')[0];
const email = document.getElementsByClassName('contact_form__email')[0];
const captcha = document.getElementsByClassName('contact_form__captcha')[0];
let formData = new FormData();
formData.append('action', 'handle_form');
formData.append('subject', subject.value);
formData.append('message', message.value);
formData.append('name', name.value);
formData.append('email', email.value);
// If some bot entered some value, return.
if (typeof captcha.value == 'undefined') {
formData.append('captcha', 'Nudelsuppe');
} else {
console.log('bot detected');
return;
}
fetch(contactFormAjaxUrl, {
method: 'POST',
mode: 'same-origin',
body: formData,
})
.then(response => response.json())
.then(json => {
const feedback = document.getElementsByClassName('contact_form__feedback')[0];
console.log(json);
if (json.errors) {
feedback.classList.remove('--success');
feedback.classList.add('--error');
// Über errors iterieren und diese ausgeben (evtl. nur ersten Fehler ausgeben?)
let error_message = '';
json.errors.forEach(function(error){
/**
* Nur Zeilenumbrüche wenn mehrer Fehlermeldungen existieren,
* aber bei der letzten nicht.
*/
if (json.errors.length > 1) {
if (error == json.errors[json.errors.length - 1]) {
error_message = error_message + error;
} else {
error_message = error_message + error + '<br>';
}
} else {
error_message = error_message + error;
}
})
feedback.innerHTML = error_message;
} else if (json.status == 'ok') {
feedback.classList.remove('--error');
feedback.classList.add('--success');
feedback.textContent = "Ihre Nachricht wurde erfolgreich ans Office geschickt.";
}
})
.catch(error => console.log(error));
}

2
assets/js/jquery-3.7.1.min.js vendored Normal file

File diff suppressed because one or more lines are too long

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@ -1,139 +0,0 @@
<?php
session_start();
function sanitize_text(string $name, string $type) {
$filters = array(
'text' => FILTER_SANITIZE_SPECIAL_CHARS,
'email' => FILTER_SANITIZE_EMAIL,
);
$text = filter_var(trim($_POST[$name]), $filters[$type]);
$text = stripslashes($text);
return $text;
}
function prepare_message_body(string $message, string $name) {
// Replace HTML-Entities with actual carriage returns and line feeds
$message = str_replace("&#13;", "\r", $message);
$message = str_replace("&#10;", "\n", $message);
// Ensure line breaks via carriage return + line feed
$message = str_replace("\r\n", "\n", $message);
$message = str_replace("\n", "\r\n", $message);
$message = "Nachricht von: $name\r\n\r\n" . $message;
$message = base64_encode($message);
return $message;
}
/**
* Sending email
*
* 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(string $subject, string $message, string $name, string $email) {
$returnPath = filter_var(getenv('WTF_RETURN_PATH'), FILTER_VALIDATE_EMAIL);
$to = filter_var(getenv('WTF_CONTACT_TO'), FILTER_VALIDATE_EMAIL);
if (!$returnPath || !$to) {
error_log('Address for "To" or "Return-Path" is invalid');
return false;
}
return mail(
$to,
"=?UTF-8?B?" . base64_encode($subject) . "?=",
prepare_message_body($message, $name),
array(
"From" => getenv('WTF_CONTACT_FROM'),
"Reply-To" => $email,
"Content-Type" => "text/plain; charset=utf-8",
"Content-Transfer-Encoding" => "base64",
),
"-f $returnPath"
);
}
function send_response(array $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;
}
function prepare_response() {
$response = array();
if (empty($_POST['message'])) {
$response['errors'][] = 'Sie haben keine Nachricht eingegeben.';
}
if (empty($_POST['email'])) {
$response['errors'][] = 'Sie haben keine E-Mail-Adresse eingegeben.';
}
if (empty($_POST['name'])) {
$response['errors'][] = 'Sie haben keinen Namen eingegeben.';
}
if (empty($_POST['subject'])) {
$response['errors'][] = 'Sie haben keinen Betreff eingegeben.';
}
/**
* Idee zur Bot-Erkennung:
* 1. Ein Bot hat das Pseudocaptcha entweder leer abgeschickt, oder sich selbst etwas ausgedacht.
* 2. Ein Bot schickt die Daten in unter 5s ab.
* 3. Ein Mensch braucht nicht länger als 60min.
*/
if (
$_POST['captcha'] != 'Nudelsuppe' or
time() - $_SESSION['start_time'] < 5 or
time() - $_SESSION['start_time'] > 3600
) {
$response['errors'][] = 'Wir glauben Sie sind ein Bot.';
}
if (!array_key_exists('errors', $response)) {
$subject = sanitize_text('subject', 'text');
$message = sanitize_text('message', 'text');
$name = sanitize_text('name', 'text');
$email = sanitize_text('email', 'email');
if (!send_message_to_office($subject, $message, $name, $email)) {
$response['errors'][] = 'Ihre Nachricht konnte nicht übermittelt werden.';
} else {
$response['status'] = 'ok';
}
}
return $response;
}
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$response = array();
if (empty($_POST['action'])){
$response['errors'][] = 'Kann eigentlich nicht passieren :/';
} else {
if ($_POST['action'] == 'start_session') {
$_SESSION['start_time'] = time();
// $response['session_start_time'] = $_SESSION['start_time'];
// $response['session_id_before'] = session_id();
} elseif ($_POST['action'] == 'handle_form') {
$response = prepare_response();
session_destroy();
} else {
$response['errors'][] = 'Kann eigentlich auch nicht passieren :/';
}
}
send_response($response);
} else {
http_response_code(404);
}

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@ -135,17 +135,10 @@ kompetenzen_heading: Expertise
---
contact_form_button: Send message
---
contact_form_email: Email address
---
contact_form_heading: Contact
---
contact_form_info:
Your email address will not be published.<br>
<span aria-hidden="true">Required fields are marked <span class="contact_form--required" aria-hidden="true">*</span>
---
contact_form_message: Message
Your email address will not be published.
---
contact_form_subheading: Contact form
---
contact_form_subject: Subject

View File

@ -138,19 +138,10 @@ kompetenzen_heading: Kompetenzen
---
contact_form_button: Anfrage abschicken
---
contact_form_email: E-Mail-Adresse
---
contact_form_heading: Kontakt
---
contact_form_info:
Deine E-Mail-Adresse wird nicht veröffentlicht.<br>
<span aria-hidden="true">Erforderliche Felder sind gekennzeichnet <span class="contact_form--required" aria-hidden="true">*</span>
---
contact_form_message: Nachricht
---
contact_form_name: Name
Deine E-Mail-Adresse wird nicht veröffentlicht.
---
contact_form_subheading: Kontaktformular
---
contact_form_subject: Betreff

View File

@ -89,35 +89,10 @@
<div class="content__box">
<div class="content__inner_box -width_constraint content__contact_form_wrapper">
<h2 id="contact">{{ this.contact_form_subheading }}</h2>
<form id="contact_form" class="content__contact_form">
<p class="contact_form__note">
{{ this.contact_form_info }}
</p>
<p class="contact_form__text_input">
<label for="name">{{ this.contact_form_subject }} <span class="contact_form--required" aria-hidden="true">*</span></label>
<input id="name" class="contact_form__subject" name="subject" type="text" value="" size="30" maxlength="245" required />
</p>
<p class="contact_form__textarea">
<label for="message">{{ this.contact_form_message }} <span class="contact_form--required" aria-hidden="true">*</span></label>
<textarea id="message" class="contact_form__message" aria-label="message" aria-hidden="true" cols="65" rows="7" name="message" required></textarea>
</p>
<p class="contact_form__text_input">
<label for="name">{{ this.contact_form_name }} <span class="contact_form--required" aria-hidden="true">*</span></label>
<input id="name" class="contact_form__name" name="name" type="text" value="" size="30" maxlength="245" required />
</p>
<p class="contact_form__text_input">
<label for="email">{{ this.contact_form_email }} <span class="contact_form--required" aria-hidden="true">*</span></label>
<input id="email" class="contact_form__email" name="email" type="email" value="" size="30" maxlength="100" aria-describedby="email-address" required />
</p>
<p class="contact_form__captcha">
<label for="captcha">Captcha <span class="contact_form--required" aria-hidden="true">*</span></label>
<input id="captcha" class="contact_form__captcha" name="captcha" type="captcha" value="…" size="30" maxlength="100" required placeholder="Wie viele Ecken hat ein Pentagramm?"/>
</p>
<p class="contact_form__submit">
<input name="submit" type="submit" id="submit" class="contact_form__submit_button" value="{{ this.contact_form_button }}" />
<p class="contact_form__feedback"></p>
</p>
</form>
<p class="contact_form__note">
{{ this.contact_form_info }}
</p>
<div id="zammad-feedback-form"></div>
</div>
</div>
</section>

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@ -132,7 +132,29 @@ __ ____________________
{%- if '/js/nav_toggle.js'|asseturl is defined -%}
<script type="text/javascript" src="{{ '/js/nav_toggle.js'|asseturl }}"></script>
{%- endif %}
{% if '/js/contact_form.js'|asseturl is defined and this.title == 'Services' -%}
<script type="text/javascript" src="{{ '/js/contact_form.js'|asseturl }}"></script>
{%- if '/js/jquery-3.7.1.min.js'|asseturl is defined -%}
<script type="text/javascript" src="{{ '/js/jquery-3.7.1.min.js'|asseturl }}"></script>
{%- endif %}
<script id="zammad_form_script" src="https://tickets.wtf-eg.de/assets/form/form.js"></script>
<script>
$(function() {
$('#zammad-feedback-form').ZammadForm({
messageSubmit: '{{ this.contact_form_button }}',
messageThankYou: 'Vielen Dank für Deine Anfrage. Wir melden uns umgehend.',
noCSS: false,
messageTitle: 'Kontaktformular',
translations: {
'de': {
'Attachments': 'Anhänge',
'Email': 'E-Mail',
'Message': 'Nachricht',
'Name': 'Name',
'Your Email': 'Deine E-Mail',
'Your Message…': 'Deine Nachricht',
'Your Name': 'Dein Name',
},
}
});
});
</script>
</body>