Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?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;
}