<?php /** * Module: invite.php * * Send email invitations to join social network * */ use Friendica\App; use Friendica\Core\Config; use Friendica\Core\L10n; use Friendica\Core\PConfig; use Friendica\Core\System; use Friendica\Protocol\Email; use Friendica\Util\DateTimeFormat; function invite_post(App $a) { if (! local_user()) { notice(L10n::t('Permission denied.') . EOL); return; } check_form_security_token_redirectOnErr('/', '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']) ? notags(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 (! valid_email($recipient)) { notice(L10n::t('%s : Not a valid email address.', $recipient) . EOL); continue; } if ($invitation_only && ($invites_remaining || is_site_admin())) { $code = autoname(8) . srand(1000, 9999); $nmessage = str_replace('$invite_code', $code, $message); $r = q("INSERT INTO `register` (`hash`,`created`) VALUES ('%s', '%s') ", dbesc($code), dbesc(DateTimeFormat::utcNow()) ); 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 = get_markup_template('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 ($a->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.', $dirloc . '/servers'); } } else { // there is no global directory URL defined if ($a->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.')); } } $o = replace_macros($tpl, [ '$form_security_token' => get_form_security_token("send_invite"), '$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; }