3 namespace Friendica\Module;
5 use Friendica\BaseModule;
6 use Friendica\Core\L10n;
7 use Friendica\Core\PConfig;
8 use Friendica\Core\Renderer;
10 use Friendica\Network\HTTPException;
11 use Friendica\Protocol\Email;
12 use Friendica\Util\Strings;
15 * Invite people to friendica
17 class Invite extends BaseModule
19 public static function post(array $parameters = [])
22 throw new HTTPException\ForbiddenException(L10n::t('Permission denied.'));
25 self::checkFormSecurityTokenRedirectOnError('/', 'send_invite');
27 $app = self::getApp();
28 $config = $app->getConfig();
30 $max_invites = intval($config->get('system', 'max_invites'));
35 $current_invites = intval(PConfig::get(local_user(), 'system', 'sent_invites'));
36 if ($current_invites > $max_invites) {
37 throw new HTTPException\ForbiddenException(L10n::t('Total invitation limit exceeded.'));
41 $recipients = !empty($_POST['recipients']) ? explode("\n", $_POST['recipients']) : [];
42 $message = !empty($_POST['message']) ? Strings::escapeTags(trim($_POST['message'])) : '';
45 $invitation_only = false;
46 $invites_remaining = null;
48 if ($config->get('system', 'invitation_only')) {
49 $invitation_only = true;
50 $invites_remaining = PConfig::get(local_user(), 'system', 'invites_remaining');
51 if ((!$invites_remaining) && (!is_site_admin())) {
52 throw new HTTPException\ForbiddenException();
56 foreach ($recipients as $recipient) {
57 $recipient = trim($recipient);
59 if (!filter_var($recipient, FILTER_VALIDATE_EMAIL)) {
60 notice(L10n::t('%s : Not a valid email address.', $recipient) . EOL);
64 if ($invitation_only && ($invites_remaining || is_site_admin())) {
65 $code = Model\Register::createForInvitation();
66 $nmessage = str_replace('$invite_code', $code, $message);
68 if (!is_site_admin()) {
70 if ($invites_remaining >= 0) {
71 PConfig::set(local_user(), 'system', 'invites_remaining', $invites_remaining);
80 $additional_headers = 'From: ' . $app->user['email'] . "\n"
81 . 'Sender: ' . $app->getSenderEmailAddress() . "\n"
82 . 'Content-type: text/plain; charset=UTF-8' . "\n"
83 . 'Content-transfer-encoding: 8bit';
87 Email::encodeHeader(L10n::t('Please join us on Friendica'), 'UTF-8'),
94 PConfig::set(local_user(), 'system', 'sent_invites', $current_invites);
95 if ($current_invites > $max_invites) {
96 notice(L10n::t('Invitation limit exceeded. Please contact your site administrator.') . EOL);
100 notice(L10n::t('%s : Message delivery failed.', $recipient) . EOL);
104 notice(L10n::tt('%d message sent.', '%d messages sent.', $total) . EOL);
107 public static function content(array $parameters = [])
110 throw new HTTPException\ForbiddenException(L10n::t('Permission denied.'));
113 $app = self::getApp();
114 $config = $app->getConfig();
118 if ($config->get('system', 'invitation_only')) {
120 $x = PConfig::get(local_user(), 'system', 'invites_remaining');
121 if ((!$x) && (!is_site_admin())) {
122 throw new HTTPException\ForbiddenException(L10n::t('You have no more invitations available'));
126 $dirLocation = $config->get('system', 'directory');
127 if (strlen($dirLocation)) {
128 if ($config->get('config', 'register_policy') === Register::CLOSED) {
129 $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');
131 $linkTxt = L10n::t('To accept this invitation, please visit and register at %s or any other public Friendica website.', $app->getBaseURL())
132 . "\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.', $dirLocation . '/servers');
134 } else { // there is no global directory URL defined
135 if ($config->get('config', 'register_policy') === Register::CLOSED) {
136 return L10n::t('Our apologies. This system is not currently configured to connect with other public sites or invite members.');
138 $linkTxt = L10n::t('To accept this invitation, please visit and register at %s.', $app->getBaseURL()
139 . "\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.'));
143 $tpl = Renderer::getMarkupTemplate('invite.tpl');
144 return Renderer::replaceMacros($tpl, [
145 '$form_security_token' => self::getFormSecurityToken('send_invite'),
146 '$title' => L10n::t('Send invitations'),
147 '$recipients' => ['recipients', L10n::t('Enter email addresses, one per line:')],
150 L10n::t('Your message:'),
151 L10n::t('You are cordially invited to join me and other close friends on Friendica - and help us to create a better social web.') . "\r\n" . "\r\n"
153 . "\r\n" . "\r\n" . (($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:')
154 . "\r\n" . "\r\n" . $app->getBaseURL() . '/profile/' . $app->user['nickname']
155 . "\r\n" . "\r\n" . L10n::t('For more information about the Friendica project and why we feel it is important, please visit http://friendi.ca') . "\r\n" . "\r\n",
157 '$submit' => L10n::t('Submit')