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<?php
/**
* module: invite.php
*
* send email invitations to join social network
*
*/
function invite_post(&$a) {
if(! local_channel()) {
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;
$current_invites = intval(get_pconfig(local_channel(),'system','sent_invites'));
if($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_channel(),'system','invites_remaining');
if((! $x) && (! is_site_admin()))
return;
}
foreach($recips as $recip) {
$recip = trim($recip);
if(! $recip)
continue;
if(! valid_email($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_channel(),'system','invites_remaining',$x);
else
return;
}
}
else
$nmessage = $message;
$account = $a->get_account();
$res = mail($recip, sprintf( t('Please join us on $Projectname'), $a->config['sitename']),
$nmessage,
"From: " . $account['account_email'] . "\n"
. 'Content-type: text/plain; charset=UTF-8' . "\n"
. 'Content-transfer-encoding: 8bit' );
if($res) {
$total ++;
$current_invites ++;
set_pconfig(local_channel(),'system','sent_invites',$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_channel()) {
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_channel(),'system','invites_remaining');
if((! $x) && (! is_site_admin())) {
notice( t('You have no more invitations available') . EOL);
return '';
}
}
$ob = $a->get_observer();
if(! $ob)
return $o;
$channel = $a->get_channel();
$o = replace_macros($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('Please join my community on $Projectname.') . "\r\n" . "\r\n"
. $linktxt
. (($invonly) ? "\r\n" . "\r\n" . t('You will need to supply this invitation code: ') . $invite_code . "\r\n" . "\r\n" : '')
. t('1. Register at any $Projectname location (they are all inter-connected)')
. "\r\n" . "\r\n" . z_root() . '/register'
. "\r\n" . "\r\n" . t('2. Enter my $Projectname network address into the site searchbar.')
. "\r\n" . "\r\n" . $ob['xchan_addr'] . ' (' . t('or visit ') . z_root() . '/channel/' . $channel['channel_address'] . ')'
. "\r\n" . "\r\n"
. t('3. Click [Connect]')
. "\r\n" . "\r\n" ,
'$submit' => t('Submit')
));
return $o;
}
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