<?php /** * module: invite.php * * send email invitations to join social network * */ require_once('include/email.php'); function invite_post(&$a) { if(! local_user()) { notice( t('Permission denied.') . EOL); return; } check_form_security_token_redirectOnErr('/', 'send_invite'); $max_invites = intval(get_config('system','max_invites')); if(! $max_invites) $max_invites = 50; $current_invites = intval(get_pconfig(local_user(),'system','sent_invites')); if($current_invites > $max_invites) { notice( t('Total invitation limit exceeded.') . EOL); return; }; $recips = ((x($_POST,'recipients')) ? explode("\n",$_POST['recipients']) : array()); $message = ((x($_POST,'message')) ? notags(trim($_POST['message'])) : ''); $total = 0; if(get_config('system','invitation_only')) { $invonly = true; $x = get_pconfig(local_user(),'system','invites_remaining'); if((! $x) && (! is_site_admin())) return; } foreach($recips as $recip) { $recip = trim($recip); if(! valid_email($recip)) { notice( sprintf( t('%s : Not a valid email address.'), $recip) . EOL); continue; } if($invonly && ($x || 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(datetime_convert()) ); if(! is_site_admin()) { $x --; if($x >= 0) set_pconfig(local_user(),'system','invites_remaining',$x); else return; } } else $nmessage = $message; $res = mail($recip, email_header_encode( t('Please join us on Friendica'),'UTF-8'), $nmessage, "From: " . $a->user['email'] . "\n" . 'Content-type: text/plain; charset=UTF-8' . "\n" . 'Content-transfer-encoding: 8bit' ); if($res) { $total ++; $current_invites ++; set_pconfig(local_user(),'system','sent_invites',$current_invites); if($current_invites > $max_invites) { notice( t('Invitation limit exceeded. Please contact your site administrator.') . EOL); return; } } else { notice( sprintf( t('%s : Message delivery failed.'), $recip) . EOL); } } notice( sprintf( tt("%d message sent.", "%d messages sent.", $total) , $total) . EOL); return; } function invite_content(&$a) { if(! local_user()) { notice( t('Permission denied.') . EOL); return; } $tpl = get_markup_template('invite.tpl'); $invonly = false; if(get_config('system','invitation_only')) { $invonly = true; $x = get_pconfig(local_user(),'system','invites_remaining'); if((! $x) && (! is_site_admin())) { notice( t('You have no more invitations available') . EOL); return ''; } } $dirloc = get_config('system','directory'); if(strlen($dirloc)) { if($a->config['register_policy'] == REGISTER_CLOSED) $linktxt = sprintf( 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.'), $dirloc . '/siteinfo'); elseif($a->config['register_policy'] != REGISTER_CLOSED) $linktxt = sprintf( t('To accept this invitation, please visit and register at %s or any other public Friendica website.'), $a->get_baseurl()) . "\r\n" . "\r\n" . sprintf( t('Friendica sites all inter-connect to create a huge privacy-enhanced social web that is owned and controlled by its members. They can also connect with many traditional social networks. See %s for a list of alternate Friendica sites you can join.'),$dirloc . '/siteinfo'); } else { $o = t('Our apologies. This system is not currently configured to connect with other public sites or invite members.'); return $o; } $o = replace_macros($tpl, array( '$form_security_token' => get_form_security_token("send_invite"), '$invite' => t('Send invitations'), '$addr_text' => t('Enter email addresses, one per line:'), '$msg_text' => t('Your message:'), '$default_message' => 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) ? t('You will need to supply this invitation code: $invite_code') . "\r\n" . "\r\n" : '') .t('Once you have registered, please connect with me via my profile page at:') . "\r\n" . "\r\n" . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . "\r\n" . "\r\n" . t('For more information about the Friendica project and why we feel it is important, please visit http://friendica.com') . "\r\n" . "\r\n" , '$submit' => t('Submit') )); return $o; }