friendica/mod/invite.php

156 lines
5.5 KiB
PHP

<?php
/**
* Module: invite.php
*
* Send email invitations to join social network
*
*/
use Friendica\App;
use Friendica\BaseModule;
use Friendica\Core\Config;
use Friendica\Core\L10n;
use Friendica\Core\PConfig;
use Friendica\Core\Renderer;
use Friendica\Core\System;
use Friendica\Protocol\Email;
use Friendica\Util\Strings;
function invite_post(App $a)
{
if (! local_user()) {
notice(L10n::t('Permission denied.') . EOL);
return;
}
BaseModule::checkFormSecurityTokenRedirectOnError('/', 'send_invite');
$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) {
notice(L10n::t('Total invitation limit exceeded.') . EOL);
return;
}
$recipients = !empty($_POST['recipients']) ? explode("\n", $_POST['recipients']) : [];
$message = !empty($_POST['message']) ? Strings::escapeTags(trim($_POST['message'])) : '';
$total = 0;
if (Config::get('system', 'invitation_only')) {
$invitation_only = true;
$invites_remaining = PConfig::get(local_user(), 'system', 'invites_remaining');
if ((! $invites_remaining) && (! is_site_admin())) {
return;
}
}
foreach ($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 = Friendica\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: ' . $a->user['email'] . "\n"
. 'Sender: ' . $a->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);
return;
}
function invite_content(App $a) {
if (! local_user()) {
notice(L10n::t('Permission denied.') . EOL);
return;
}
$tpl = Renderer::getMarkupTemplate('invite.tpl');
$invonly = false;
if (Config::get('system', 'invitation_only')) {
$invonly = true;
$x = PConfig::get(local_user(), 'system', 'invites_remaining');
if ((! $x) && (! is_site_admin())) {
notice(L10n::t('You have no more invitations available') . EOL);
return '';
}
}
$dirloc = Config::get('system', 'directory');
if (strlen($dirloc)) {
if (intval(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.', $dirloc . '/servers');
} else {
$linktxt = L10n::t('To accept this invitation, please visit and register at %s or any other public Friendica website.', System::baseUrl())
. "\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.', $dirloc . '/servers');
}
} else { // there is no global directory URL defined
if (intval(Config::get('config', 'register_policy')) === REGISTER_CLOSED) {
$o = L10n::t('Our apologies. This system is not currently configured to connect with other public sites or invite members.');
return $o;
} else {
$linktxt = L10n::t('To accept this invitation, please visit and register at %s.', System::baseUrl()
. "\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.'));
}
}
$o = Renderer::replaceMacros($tpl, [
'$form_security_token' => BaseModule::getFormSecurityToken("send_invite"),
'$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"
. $linktxt
. "\r\n" . "\r\n" . (($invonly) ? 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" . System::baseUrl() . '/profile/' . $a->user['nickname']
. "\r\n" . "\r\n" . L10n::t('For more information about the Friendica project and why we feel it is important, please visit http://friendi.ca') . "\r\n" . "\r\n"],
'$submit' => L10n::t('Submit')
]);
return $o;
}