app/Http/RequestHandlers/ContactAction.php
<?php
/**
* webtrees: online genealogy
* Copyright (C) 2023 webtrees development team
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees\Http\RequestHandlers;
use Fisharebest\Webtrees\FlashMessages;
use Fisharebest\Webtrees\GuestUser;
use Fisharebest\Webtrees\Http\Exceptions\HttpAccessDeniedException;
use Fisharebest\Webtrees\Http\Exceptions\HttpNotFoundException;
use Fisharebest\Webtrees\Http\ViewResponseTrait;
use Fisharebest\Webtrees\I18N;
use Fisharebest\Webtrees\Services\CaptchaService;
use Fisharebest\Webtrees\Services\EmailService;
use Fisharebest\Webtrees\Services\MessageService;
use Fisharebest\Webtrees\Services\RateLimitService;
use Fisharebest\Webtrees\Services\UserService;
use Fisharebest\Webtrees\Validator;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use function e;
use function in_array;
use function preg_match;
use function preg_quote;
use function redirect;
use function route;
/**
* Send a message from a visitor.
*/
class ContactAction implements RequestHandlerInterface
{
use ViewResponseTrait;
private CaptchaService $captcha_service;
private EmailService $email_service;
private MessageService $message_service;
private RateLimitService $rate_limit_service;
private UserService $user_service;
/**
* @param CaptchaService $captcha_service
* @param EmailService $email_service
* @param MessageService $message_service
* @param RateLimitService $rate_limit_service
* @param UserService $user_service
*/
public function __construct(
CaptchaService $captcha_service,
EmailService $email_service,
MessageService $message_service,
RateLimitService $rate_limit_service,
UserService $user_service
) {
$this->captcha_service = $captcha_service;
$this->email_service = $email_service;
$this->user_service = $user_service;
$this->rate_limit_service = $rate_limit_service;
$this->message_service = $message_service;
}
/**
* @param ServerRequestInterface $request
*
* @return ResponseInterface
*/
public function handle(ServerRequestInterface $request): ResponseInterface
{
$tree = Validator::attributes($request)->tree();
$ip = Validator::attributes($request)->string('client-ip');
$base_url = Validator::attributes($request)->string('base_url');
$body = Validator::parsedBody($request)->string('body');
$from_email = Validator::parsedBody($request)->string('from_email');
$from_name = Validator::parsedBody($request)->string('from_name');
$subject = Validator::parsedBody($request)->string('subject');
$to = Validator::parsedBody($request)->string('to');
$url = Validator::parsedBody($request)->isLocalUrl()->string('url', $base_url);
$to_user = $this->user_service->findByUserName($to);
if ($to_user === null) {
throw new HttpNotFoundException();
}
if (!in_array($to_user, $this->message_service->validContacts($tree), false)) {
throw new HttpAccessDeniedException('Invalid contact user id');
}
$errors = $body === '' || $subject === '' || $from_email === '' || $from_name === '';
if ($this->captcha_service->isRobot($request)) {
FlashMessages::addMessage(I18N::translate('Please try again.'), 'danger');
$errors = true;
}
if (!$this->email_service->isValidEmail($from_email)) {
FlashMessages::addMessage(I18N::translate('Please enter a valid email address.'), 'danger');
$errors = true;
}
if (preg_match('/(?!' . preg_quote($base_url, '/') . ')(((?:ftp|http|https):\/\/)[a-zA-Z0-9.-]+)/', $subject . $body, $match)) {
FlashMessages::addMessage(I18N::translate('You are not allowed to send messages that contain external links.') . ' ' . /* I18N: e.g. ‘You should delete the “https://” from “https://www.example.com” and try again.’ */
I18N::translate('You should delete the “%1$s” from “%2$s” and try again.', $match[2], $match[1]), 'danger');
$errors = true;
}
if ($errors) {
return redirect(route(ContactPage::class, [
'body' => $body,
'from_email' => $from_email,
'from_name' => $from_name,
'subject' => $subject,
'to' => $to,
'tree' => $tree->name(),
'url' => $url,
]));
}
$sender = new GuestUser($from_email, $from_name);
$this->rate_limit_service->limitRateForUser($to_user, 20, 1200, 'rate-limit-contact');
if ($this->message_service->deliverMessage($sender, $to_user, $subject, $body, $url, $ip)) {
FlashMessages::addMessage(I18N::translate('The message was successfully sent to %s.', e($to_user->realName())), 'success');
return redirect($url);
}
FlashMessages::addMessage(I18N::translate('The message was not sent.'), 'danger');
$redirect_url = route(ContactPage::class, [
'body' => $body,
'from_email' => $from_email,
'from_name' => $from_name,
'subject' => $subject,
'to' => $to,
'tree' => $tree->name(),
'url' => $url,
]);
return redirect($redirect_url);
}
}