friendica-github/src/Module/Invite.php

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2019-05-04 18:32:31 +00:00
<?php
namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\Core\L10n;
use Friendica\Core\PConfig;
use Friendica\Core\Renderer;
use Friendica\Model;
use Friendica\Network\HTTPException;
use Friendica\Protocol\Email;
use Friendica\Util\Strings;
/**
* Invite people to friendica
*/
class Invite extends BaseModule
{
public static function post()
{
if (!local_user()) {
throw new HTTPException\ForbiddenException(L10n::t('Permission denied.'));
}
self::checkFormSecurityTokenRedirectOnError('/', 'send_invite');
$app = self::getApp();
$config = $app->getConfig();
$max_invites = intval($config->get('system', 'max_invites'));
if (!$max_invites) {
$max_invites = 50;
}
$current_invites = intval(PConfig::get(local_user(), 'system', 'sent_invites'));
if ($current_invites > $max_invites) {
throw new HTTPException\ForbiddenException(L10n::t('Total invitation limit exceeded.'));
}
$recipients = !empty($_POST['recipients']) ? explode('\n', $_POST['recipients']) : [];
$message = !empty($_POST['message']) ? Strings::escapeTags(trim($_POST['message'])) : '';
$total = 0;
$invitation_only = false;
$invites_remaining = null;
if ($config->get('system', 'invitation_only')) {
$invitation_only = true;
$invites_remaining = PConfig::get(local_user(), 'system', 'invites_remaining');
if ((!$invites_remaining) && (!is_site_admin())) {
throw new HTTPException\ForbiddenException();
}
}
foreach ($recipients as $recipient) {
$recipient = trim($recipient);
if (!filter_var($recipient, FILTER_VALIDATE_EMAIL)) {
notice(L10n::t('%s : Not a valid email address.', $recipient) . EOL);
continue;
}
if ($invitation_only && ($invites_remaining || is_site_admin())) {
$code = Model\Register::createForInvitation();
$nmessage = str_replace('$invite_code', $code, $message);
if (!is_site_admin()) {
$invites_remaining--;
if ($invites_remaining >= 0) {
PConfig::set(local_user(), 'system', 'invites_remaining', $invites_remaining);
} else {
return;
}
}
} else {
$nmessage = $message;
}
$additional_headers = 'From: ' . $app->user['email'] . "\n"
. 'Sender: ' . $app->getSenderEmailAddress() . "\n"
. 'Content-type: text/plain; charset=UTF-8' . "\n"
. 'Content-transfer-encoding: 8bit';
$res = mail(
$recipient,
Email::encodeHeader(L10n::t('Please join us on Friendica'), 'UTF-8'),
$nmessage,
$additional_headers);
if ($res) {
$total++;
$current_invites++;
PConfig::set(local_user(), 'system', 'sent_invites', $current_invites);
if ($current_invites > $max_invites) {
notice(L10n::t('Invitation limit exceeded. Please contact your site administrator.') . EOL);
return;
}
} else {
notice(L10n::t('%s : Message delivery failed.', $recipient) . EOL);
}
}
notice(L10n::tt("%d message sent.", "%d messages sent.", $total) . EOL);
}
public static function content()
{
if (!local_user()) {
throw new HTTPException\ForbiddenException(L10n::t('Permission denied.'));
}
$app = self::getApp();
$config = $app->getConfig();
$inviteOnly = false;
if ($config->get('system', 'invitation_only')) {
$inviteOnly = true;
$x = PConfig::get(local_user(), 'system', 'invites_remaining');
if ((!$x) && (!is_site_admin())) {
throw new HTTPException\ForbiddenException(L10n::t('You have no more invitations available'));
}
}
$dirLocation = $config->get('system', 'directory');
if (strlen($dirLocation)) {
if ($config->get('config', 'register_policy') === Register::CLOSED) {
$linkTxt = 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 = L10n::t('To accept this invitation, please visit and register at %s or any other public Friendica website.', $app->getBaseURL())
. "\r\n" . "\r\n" . 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 L10n::t('Our apologies. This system is not currently configured to connect with other public sites or invite members.');
} else {
$linkTxt = L10n::t('To accept this invitation, please visit and register at %s.', $app->getBaseURL()
. "\r\n" . "\r\n" . 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' => L10n::t('Send invitations'),
'$recipients' => ['recipients', L10n::t('Enter email addresses, one per line:')],
'$message' => [
'message',
L10n::t('Your message:'),
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) ? L10n::t('You will need to supply this invitation code: $invite_code') . "\r\n" . "\r\n" : '') . L10n::t('Once you have registered, please connect with me via my profile page at:')
. "\r\n" . "\r\n" . $app->getBaseURL() . '/profile/' . $app->user['nickname']
. "\r\n" . "\r\n" . L10n::t('For more information about the Friendica project and why we feel it is important, please visit http://friendi.ca') . "\r\n" . "\r\n",
],
'$submit' => L10n::t('Submit')
]);
}
}