friendica/src/Module/Invite.php

182 lines
7.2 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2023, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\Core\Renderer;
use Friendica\Core\Search;
use Friendica\DI;
use Friendica\Model;
use Friendica\Model\User;
use Friendica\Network\HTTPException;
use Friendica\Protocol\Email;
use Friendica\Util\Strings;
/**
* Invite people to friendica
*/
class Invite extends BaseModule
{
protected function post(array $request = [])
{
if (!DI::userSession()->getLocalUserId()) {
throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
}
self::checkFormSecurityTokenRedirectOnError('/', 'send_invite');
$app = DI::app();
$config = DI::config();
$max_invites = intval($config->get('system', 'max_invites'));
if (!$max_invites) {
$max_invites = 50;
}
$current_invites = intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'sent_invites'));
if ($current_invites > $max_invites) {
throw new HTTPException\ForbiddenException(DI::l10n()->t('Total invitation limit exceeded.'));
}
$recipients = !empty($_POST['recipients']) ? explode("\n", $_POST['recipients']) : [];
$message = !empty($_POST['message']) ? Strings::escapeHtml(trim($_POST['message'])) : '';
$total = 0;
$invitation_only = false;
$invites_remaining = null;
if ($config->get('system', 'invitation_only')) {
$invitation_only = true;
$invites_remaining = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'invites_remaining');
if ((!$invites_remaining) && (!$app->isSiteAdmin())) {
throw new HTTPException\ForbiddenException();
}
}
$user = User::getById(DI::userSession()->getLocalUserId());
foreach ($recipients as $recipient) {
$recipient = trim($recipient);
if (!filter_var($recipient, FILTER_VALIDATE_EMAIL)) {
DI::sysmsg()->addNotice(DI::l10n()->t('%s : Not a valid email address.', $recipient));
continue;
}
if ($invitation_only && ($invites_remaining || $app->isSiteAdmin())) {
$code = Model\Register::createForInvitation();
$nmessage = str_replace('$invite_code', $code, $message);
if (!$app->isSiteAdmin()) {
$invites_remaining--;
if ($invites_remaining >= 0) {
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'system', 'invites_remaining', $invites_remaining);
} else {
return;
}
}
} else {
$nmessage = $message;
}
$additional_headers = 'From: "' . $user['email'] . '" <' . DI::emailer()->getSiteEmailAddress() . ">\n"
. 'Content-type: text/plain; charset=UTF-8' . "\n"
. 'Content-transfer-encoding: 8bit';
$res = mail(
$recipient,
Email::encodeHeader(DI::l10n()->t('Please join us on Friendica'), 'UTF-8'),
$nmessage,
$additional_headers);
if ($res) {
$total++;
$current_invites++;
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'system', 'sent_invites', $current_invites);
if ($current_invites > $max_invites) {
DI::sysmsg()->addNotice(DI::l10n()->t('Invitation limit exceeded. Please contact your site administrator.'));
return;
}
} else {
DI::sysmsg()->addNotice(DI::l10n()->t('%s : Message delivery failed.', $recipient));
}
}
DI::sysmsg()->addInfo(DI::l10n()->tt('%d message sent.', '%d messages sent.', $total));
}
protected function content(array $request = []): string
{
if (!DI::userSession()->getLocalUserId()) {
throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
}
$app = DI::app();
$config = DI::config();
$inviteOnly = false;
if ($config->get('system', 'invitation_only')) {
$inviteOnly = true;
$x = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'invites_remaining');
if ((!$x) && (!$app->isSiteAdmin())) {
throw new HTTPException\ForbiddenException(DI::l10n()->t('You have no more invitations available'));
}
}
$dirLocation = Search::getGlobalDirectory();
if (strlen($dirLocation)) {
if ($config->get('config', 'register_policy') === Register::CLOSED) {
$linkTxt = DI::l10n()->t('Visit %s for a list of public sites that you can join. Friendica members on other sites can all connect with each other, as well as with members of many other social networks.', $dirLocation . '/servers');
} else {
$linkTxt = DI::l10n()->t('To accept this invitation, please visit and register at %s or any other public Friendica website.', DI::baseUrl() . '/register')
. "\r\n" . "\r\n" . DI::l10n()->t('Friendica sites all inter-connect to create a huge privacy-enhanced social web that is owned and controlled by its members. They can also connect with many traditional social networks. See %s for a list of alternate Friendica sites you can join.', $dirLocation . '/servers');
}
} else { // there is no global directory URL defined
if ($config->get('config', 'register_policy') === Register::CLOSED) {
return DI::l10n()->t('Our apologies. This system is not currently configured to connect with other public sites or invite members.');
} else {
$linkTxt = DI::l10n()->t('To accept this invitation, please visit and register at %s.', DI::baseUrl() . '/register'
. "\r\n" . "\r\n" . DI::l10n()->t('Friendica sites all inter-connect to create a huge privacy-enhanced social web that is owned and controlled by its members. They can also connect with many traditional social networks.'));
}
}
$tpl = Renderer::getMarkupTemplate('invite.tpl');
return Renderer::replaceMacros($tpl, [
'$form_security_token' => self::getFormSecurityToken('send_invite'),
'$title' => DI::l10n()->t('Send invitations'),
'$recipients' => ['recipients', DI::l10n()->t('Enter email addresses, one per line:')],
'$message' => [
'message',
DI::l10n()->t('Your message:'),
DI::l10n()->t('You are cordially invited to join me and other close friends on Friendica - and help us to create a better social web.') . "\r\n" . "\r\n"
. $linkTxt
. "\r\n" . "\r\n" . (($inviteOnly) ? DI::l10n()->t('You will need to supply this invitation code: $invite_code') . "\r\n" . "\r\n" : '') . DI::l10n()->t('Once you have registered, please connect with me via my profile page at:')
. "\r\n" . "\r\n" . DI::baseUrl() . '/profile/' . $app->getLoggedInUserNickname()
. "\r\n" . "\r\n" . DI::l10n()->t('For more information about the Friendica project and why we feel it is important, please visit http://friendi.ca') . "\r\n" . "\r\n",
],
'$submit' => DI::l10n()->t('Submit')
]);
}
}