3 namespace Friendica\Module;
5 use Friendica\BaseModule;
6 use Friendica\Core\L10n;
7 use Friendica\Core\PConfig;
8 use Friendica\Core\Renderer;
11 use Friendica\Network\HTTPException;
12 use Friendica\Protocol\Email;
13 use Friendica\Util\Strings;
16 * Invite people to friendica
18 class Invite extends BaseModule
20 public static function post(array $parameters = [])
23 throw new HTTPException\ForbiddenException(L10n::t('Permission denied.'));
26 self::checkFormSecurityTokenRedirectOnError('/', 'send_invite');
29 $config = DI::config();
31 $max_invites = intval($config->get('system', 'max_invites'));
36 $current_invites = intval(PConfig::get(local_user(), 'system', 'sent_invites'));
37 if ($current_invites > $max_invites) {
38 throw new HTTPException\ForbiddenException(L10n::t('Total invitation limit exceeded.'));
42 $recipients = !empty($_POST['recipients']) ? explode("\n", $_POST['recipients']) : [];
43 $message = !empty($_POST['message']) ? Strings::escapeTags(trim($_POST['message'])) : '';
46 $invitation_only = false;
47 $invites_remaining = null;
49 if ($config->get('system', 'invitation_only')) {
50 $invitation_only = true;
51 $invites_remaining = PConfig::get(local_user(), 'system', 'invites_remaining');
52 if ((!$invites_remaining) && (!is_site_admin())) {
53 throw new HTTPException\ForbiddenException();
57 foreach ($recipients as $recipient) {
58 $recipient = trim($recipient);
60 if (!filter_var($recipient, FILTER_VALIDATE_EMAIL)) {
61 notice(L10n::t('%s : Not a valid email address.', $recipient) . EOL);
65 if ($invitation_only && ($invites_remaining || is_site_admin())) {
66 $code = Model\Register::createForInvitation();
67 $nmessage = str_replace('$invite_code', $code, $message);
69 if (!is_site_admin()) {
71 if ($invites_remaining >= 0) {
72 PConfig::set(local_user(), 'system', 'invites_remaining', $invites_remaining);
81 $additional_headers = 'From: ' . $app->user['email'] . "\n"
82 . 'Sender: ' . $app->getSenderEmailAddress() . "\n"
83 . 'Content-type: text/plain; charset=UTF-8' . "\n"
84 . 'Content-transfer-encoding: 8bit';
88 Email::encodeHeader(L10n::t('Please join us on Friendica'), 'UTF-8'),
95 PConfig::set(local_user(), 'system', 'sent_invites', $current_invites);
96 if ($current_invites > $max_invites) {
97 notice(L10n::t('Invitation limit exceeded. Please contact your site administrator.') . EOL);
101 notice(L10n::t('%s : Message delivery failed.', $recipient) . EOL);
105 notice(L10n::tt('%d message sent.', '%d messages sent.', $total) . EOL);
108 public static function content(array $parameters = [])
111 throw new HTTPException\ForbiddenException(L10n::t('Permission denied.'));
115 $config = DI::config();
119 if ($config->get('system', 'invitation_only')) {
121 $x = PConfig::get(local_user(), 'system', 'invites_remaining');
122 if ((!$x) && (!is_site_admin())) {
123 throw new HTTPException\ForbiddenException(L10n::t('You have no more invitations available'));
127 $dirLocation = $config->get('system', 'directory');
128 if (strlen($dirLocation)) {
129 if ($config->get('config', 'register_policy') === Register::CLOSED) {
130 $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');
132 $linkTxt = L10n::t('To accept this invitation, please visit and register at %s or any other public Friendica website.', $app->getBaseURL())
133 . "\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.', $dirLocation . '/servers');
135 } else { // there is no global directory URL defined
136 if ($config->get('config', 'register_policy') === Register::CLOSED) {
137 return L10n::t('Our apologies. This system is not currently configured to connect with other public sites or invite members.');
139 $linkTxt = L10n::t('To accept this invitation, please visit and register at %s.', $app->getBaseURL()
140 . "\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.'));
144 $tpl = Renderer::getMarkupTemplate('invite.tpl');
145 return Renderer::replaceMacros($tpl, [
146 '$form_security_token' => self::getFormSecurityToken('send_invite'),
147 '$title' => L10n::t('Send invitations'),
148 '$recipients' => ['recipients', L10n::t('Enter email addresses, one per line:')],
151 L10n::t('Your message:'),
152 L10n::t('You are cordially invited to join me and other close friends on Friendica - and help us to create a better social web.') . "\r\n" . "\r\n"
154 . "\r\n" . "\r\n" . (($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:')
155 . "\r\n" . "\r\n" . $app->getBaseURL() . '/profile/' . $app->user['nickname']
156 . "\r\n" . "\r\n" . L10n::t('For more information about the Friendica project and why we feel it is important, please visit http://friendi.ca') . "\r\n" . "\r\n",
158 '$submit' => L10n::t('Submit')