5 * Send email invitations to join social network
10 use Friendica\BaseModule;
11 use Friendica\Core\Config;
12 use Friendica\Core\L10n;
13 use Friendica\Core\PConfig;
14 use Friendica\Core\System;
15 use Friendica\Database\DBA;
16 use Friendica\Protocol\Email;
17 use Friendica\Util\DateTimeFormat;
18 use Friendica\Util\Security;
20 function invite_post(App $a)
23 notice(L10n::t('Permission denied.') . EOL);
27 BaseModule::checkFormSecurityTokenRedirectOnError('/', 'send_invite');
29 $max_invites = intval(Config::get('system', 'max_invites'));
34 $current_invites = intval(PConfig::get(local_user(), 'system', 'sent_invites'));
35 if ($current_invites > $max_invites) {
36 notice(L10n::t('Total invitation limit exceeded.') . EOL);
41 $recipients = !empty($_POST['recipients']) ? explode("\n", $_POST['recipients']) : [];
42 $message = !empty($_POST['message']) ? notags(trim($_POST['message'])) : '';
46 if (Config::get('system', 'invitation_only')) {
47 $invitation_only = true;
48 $invites_remaining = PConfig::get(local_user(), 'system', 'invites_remaining');
49 if ((! $invites_remaining) && (! is_site_admin())) {
54 foreach ($recipients as $recipient) {
55 $recipient = trim($recipient);
57 if (! valid_email($recipient)) {
58 notice(L10n::t('%s : Not a valid email address.', $recipient) . EOL);
62 if ($invitation_only && ($invites_remaining || is_site_admin())) {
63 $code = autoname(8) . srand(1000, 9999);
64 $nmessage = str_replace('$invite_code', $code, $message);
66 $r = q("INSERT INTO `register` (`hash`,`created`) VALUES ('%s', '%s') ",
68 DBA::escape(DateTimeFormat::utcNow())
71 if (! is_site_admin()) {
72 $invites_remaining --;
73 if ($invites_remaining >= 0) {
74 PConfig::set(local_user(), 'system', 'invites_remaining', $invites_remaining);
83 $additional_headers = 'From: ' . $a->user['email'] . "\n"
84 . 'Sender: ' . $a->getSenderEmailAddress() . "\n"
85 . 'Content-type: text/plain; charset=UTF-8' . "\n"
86 . 'Content-transfer-encoding: 8bit';
90 Email::encodeHeader(L10n::t('Please join us on Friendica'), 'UTF-8'),
97 PConfig::set(local_user(), 'system', 'sent_invites', $current_invites);
98 if ($current_invites > $max_invites) {
99 notice(L10n::t('Invitation limit exceeded. Please contact your site administrator.') . EOL);
103 notice(L10n::t('%s : Message delivery failed.', $recipient) . EOL);
107 notice(L10n::tt("%d message sent.", "%d messages sent.", $total) . EOL);
111 function invite_content(App $a) {
113 if (! local_user()) {
114 notice(L10n::t('Permission denied.') . EOL);
118 $tpl = get_markup_template('invite.tpl');
121 if (Config::get('system', 'invitation_only')) {
123 $x = PConfig::get(local_user(), 'system', 'invites_remaining');
124 if ((! $x) && (! is_site_admin())) {
125 notice(L10n::t('You have no more invitations available') . EOL);
130 $dirloc = Config::get('system', 'directory');
131 if (strlen($dirloc)) {
132 if (intval(Config::get('config', 'register_policy')) === REGISTER_CLOSED) {
133 $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');
135 $linktxt = L10n::t('To accept this invitation, please visit and register at %s or any other public Friendica website.', System::baseUrl())
136 . "\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');
138 } else { // there is no global directory URL defined
139 if (intval(Config::get('config', 'register_policy')) === REGISTER_CLOSED) {
140 $o = L10n::t('Our apologies. This system is not currently configured to connect with other public sites or invite members.');
143 $linktxt = L10n::t('To accept this invitation, please visit and register at %s.', System::baseUrl()
144 . "\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.'));
148 $o = replace_macros($tpl, [
149 '$form_security_token' => BaseModule::getFormSecurityToken("send_invite"),
150 '$title' => L10n::t('Send invitations'),
151 '$recipients' => ['recipients', L10n::t('Enter email addresses, one per line:')],
152 '$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"
154 . "\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:')
155 . "\r\n" . "\r\n" . System::baseUrl() . '/profile/' . $a->user['nickname']
156 . "\r\n" . "\r\n" . L10n::t('For more information about the Friendica project and why we feel it is important, please visit http://friendi.ca') . "\r\n" . "\r\n"],
157 '$submit' => L10n::t('Submit')