5 * Send email invitations to join social network
9 use Friendica\Core\Config;
10 use Friendica\Core\L10n;
11 use Friendica\Core\PConfig;
12 use Friendica\Core\System;
13 use Friendica\Protocol\Email;
15 function invite_post(App $a)
18 notice(L10n::t('Permission denied.') . EOL);
22 check_form_security_token_redirectOnErr('/', 'send_invite');
24 $max_invites = intval(Config::get('system', 'max_invites'));
29 $current_invites = intval(PConfig::get(local_user(), 'system', 'sent_invites'));
30 if ($current_invites > $max_invites) {
31 notice(L10n::t('Total invitation limit exceeded.') . EOL);
36 $recips = ((x($_POST, 'recipients')) ? explode("\n", $_POST['recipients']) : []);
37 $message = ((x($_POST, 'message')) ? notags(trim($_POST['message'])) : '');
41 if (Config::get('system', 'invitation_only')) {
43 $x = PConfig::get(local_user(), 'system', 'invites_remaining');
44 if ((! $x) && (! is_site_admin())) {
49 foreach ($recips as $recip) {
50 $recip = trim($recip);
52 if (! valid_email($recip)) {
53 notice(L10n::t('%s : Not a valid email address.', $recip) . EOL);
57 if ($invonly && ($x || is_site_admin())) {
58 $code = autoname(8) . srand(1000, 9999);
59 $nmessage = str_replace('$invite_code', $code, $message);
61 $r = q("INSERT INTO `register` (`hash`,`created`) VALUES ('%s', '%s') ",
63 dbesc(datetime_convert())
66 if (! is_site_admin()) {
69 PConfig::set(local_user(), 'system', 'invites_remaining', $x);
78 $res = mail($recip, Email::encodeHeader(L10n::t('Please join us on Friendica'), 'UTF-8'),
80 "From: " . $a->user['email'] . "\n"
81 . 'Content-type: text/plain; charset=UTF-8' . "\n"
82 . 'Content-transfer-encoding: 8bit' );
87 PConfig::set(local_user(), 'system', 'sent_invites', $current_invites);
88 if ($current_invites > $max_invites) {
89 notice(L10n::t('Invitation limit exceeded. Please contact your site administrator.') . EOL);
93 notice(L10n::t('%s : Message delivery failed.', $recip) . EOL);
97 notice(L10n::tt("%d message sent.", "%d messages sent.", $total) . EOL);
101 function invite_content(App $a) {
103 if (! local_user()) {
104 notice(L10n::t('Permission denied.') . EOL);
108 $tpl = get_markup_template('invite.tpl');
111 if (Config::get('system', 'invitation_only')) {
113 $x = PConfig::get(local_user(), 'system', 'invites_remaining');
114 if ((! $x) && (! is_site_admin())) {
115 notice(L10n::t('You have no more invitations available') . EOL);
120 $dirloc = Config::get('system', 'directory');
121 if (strlen($dirloc)) {
122 if ($a->config['register_policy'] == REGISTER_CLOSED) {
123 $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');
125 $linktxt = L10n::t('To accept this invitation, please visit and register at %s or any other public Friendica website.', System::baseUrl())
126 . "\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.', $dirloc . '/servers');
128 } else { // there is no global directory URL defined
129 if ($a->config['register_policy'] == REGISTER_CLOSED) {
130 $o = L10n::t('Our apologies. This system is not currently configured to connect with other public sites or invite members.');
133 $linktxt = L10n::t('To accept this invitation, please visit and register at %s.', System::baseUrl()
134 . "\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.'));
138 $o = replace_macros($tpl, [
139 '$form_security_token' => get_form_security_token("send_invite"),
140 '$invite' => L10n::t('Send invitations'),
141 '$addr_text' => L10n::t('Enter email addresses, one per line:'),
142 '$msg_text' => L10n::t('Your message:'),
143 '$default_message' => L10n::t('You are cordially invited to join me and other close friends on Friendica - and help us to create a better social web.') . "\r\n" . "\r\n"
145 . "\r\n" . "\r\n" . (($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:')
146 . "\r\n" . "\r\n" . System::baseUrl() . '/profile/' . $a->user['nickname']
147 . "\r\n" . "\r\n" . L10n::t('For more information about the Friendica project and why we feel it is important, please visit http://friendi.ca') . "\r\n" . "\r\n" ,
148 '$submit' => L10n::t('Submit')