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
require_once("boot.php");
function notifier_run($argv, $argc){
global $a, $db;
if(is_null($a)){
$a = new App;
}
if(is_null($db)){
@include(".htconfig.php");
require_once("dba.php");
$db = new dba($db_host, $db_user, $db_pass, $db_data);
unset($db_host, $db_user, $db_pass, $db_data);
};
require_once("session.php");
require_once("datetime.php");
require_once('include/items.php');
require_once('include/bbcode.php');
if($argc < 3)
return;
$a->set_baseurl(get_config('system','url'));
logger('notifier: invoked: ' . print_r($argv,true));
$cmd = $argv[1];
switch($cmd) {
case 'mail':
default:
$item_id = intval($argv[2]);
if(! $item_id){
return;
}
break;
}
$recipients = array();
$url_recipients = array();
if($cmd === 'mail') {
$message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
intval($item_id)
);
if(! count($message)){
return;
}
$uid = $message[0]['uid'];
$recipients[] = $message[0]['contact-id'];
$item = $message[0];
}
else {
// find ancestors
$r = q("SELECT `parent`, `uid`, `edited` FROM `item` WHERE `id` = %d LIMIT 1",
intval($item_id)
);
if(! count($r)){
return;
}
$parent_id = $r[0]['parent'];
$uid = $r[0]['uid'];
$updated = $r[0]['edited'];
$items = q("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id` ASC",
intval($parent_id)
);
if(! count($items)){
return;
}
}
$r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`, `user`.`page-flags`
FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
intval($uid)
);
if(count($r))
$owner = $r[0];
else {
return;
}
$hub = get_config('system','huburl');
// If this is a public conversation, notify the feed hub
$notify_hub = true;
// fill this in with a single salmon slap if applicable
$slap = '';
if($cmd != 'mail') {
require_once('include/group.php');
$parent = $items[0];
if($parent['type'] === 'remote') {
// local followup to remote post
$followup = true;
$notify_hub = false; // not public
$conversant_str = dbesc($parent['contact-id']);
}
else {
$followup = false;
if((strlen($parent['allow_cid']))
|| (strlen($parent['allow_gid']))
|| (strlen($parent['deny_cid']))
|| (strlen($parent['deny_gid']))) {
$notify_hub = false; // private recipients, not public
}
$allow_people = expand_acl($parent['allow_cid']);
$allow_groups = expand_groups(expand_acl($parent['allow_gid']));
$deny_people = expand_acl($parent['deny_cid']);
$deny_groups = expand_groups(expand_acl($parent['deny_gid']));
$conversants = array();
foreach($items as $item) {
$recipients[] = $item['contact-id'];
$conversants[] = $item['contact-id'];
// pull out additional tagged people to notify (if public message)
if($notify_hub && strlen($item['inform'])) {
$people = explode(',',$item['inform']);
foreach($people as $person) {
if(substr($person,0,4) === 'cid:') {
$recipients[] = intval(substr($person,4));
$conversants[] = intval(substr($person,4));
}
else {
$url_recipients[] = substr($person,4);
}
}
}
}
logger('notifier: url_recipients' . print_r($url_recipients,true));
$conversants = array_unique($conversants);
$recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
$deny = array_unique(array_merge($deny_people,$deny_groups));
$recipients = array_diff($recipients,$deny);
$conversant_str = dbesc(implode(', ',$conversants));
}
$r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0");
// if( ! count($r)){
// return;
// }
if(count($r))
$contacts = $r;
}
$feed_template = load_view_file('view/atom_feed.tpl');
$mail_template = load_view_file('view/atom_mail.tpl');
$atom = '';
$hubxml = '';
$slaps = array();
if(strlen($hub)) {
$hubs = explode(',', $hub);
if(count($hubs)) {
foreach($hubs as $h) {
$h = trim($h);
if(! strlen($h))
continue;
$hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
}
}
}
$atom .= replace_macros($feed_template, array(
'$version' => xmlify(FRIENDIKA_VERSION),
'$feed_id' => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
'$feed_title' => xmlify($owner['name']),
'$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
'$hub' => $hubxml,
'$salmon' => '', // private feed, we don't use salmon here
'$name' => xmlify($owner['name']),
'$profile_page' => xmlify($owner['url']),
'$photo' => xmlify($owner['photo']),
'$thumb' => xmlify($owner['thumb']),
'$picdate' => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
'$uridate' => xmlify(datetime_convert('UTC','UTC',$owner['uri-date'] . '+00:00' , ATOM_TIME)) ,
'$namdate' => xmlify(datetime_convert('UTC','UTC',$owner['name-date'] . '+00:00' , ATOM_TIME)) ,
'$birthday' => ''
));
if($cmd === 'mail') {
$notify_hub = false; // mail is not public
$atom .= replace_macros($mail_template, array(
'$name' => xmlify($owner['name']),
'$profile_page' => xmlify($owner['url']),
'$thumb' => xmlify($owner['thumb']),
'$item_id' => xmlify($item['uri']),
'$subject' => xmlify($item['title']),
'$created' => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
'$content' => xmlify($item['body']),
'$parent_id' => xmlify($item['parent-uri'])
));
}
else {
if($followup) {
foreach($items as $item) { // there is only one item
if($item['id'] == $item_id) {
logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
$slap = atom_entry($item,'html',$owner,$owner,false);
$atom .= atom_entry($item,'text',$owner,$owner,false);
}
}
}
else {
foreach($items as $item) {
$contact = get_item_contact($item,$contacts);
if(! $contact)
continue;
$atom .= atom_entry($item,'text',$contact,$owner,true);
// There's a problem here - we *were* going to use salmon to provide semi-authenticated
// communication to OStatus, but unless we're the item author they won't verify.
// commented out for now, though we'll still send local replies (and any mentions
// that they contain) upstream. Rethinking the problem space.
// $slaps[] = atom_entry($item,'html',$contact,$owner,true);
}
}
}
$atom .= '</feed>' . "\r\n";
logger('notifier: ' . $atom, LOGGER_DATA);
// logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
if($followup)
$recip_str = $parent['contact-id'];
else
$recip_str = implode(', ', $recipients);
$r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
dbesc($recip_str)
);
// delivery loop
require_once('include/salmon.php');
if(count($r)) {
foreach($r as $contact) {
if($contact['self'])
continue;
$deliver_status = 0;
switch($contact['network']) {
case 'dfrn':
logger('notifier: dfrndelivery: ' . $contact['name']);
$deliver_status = dfrn_deliver($owner,$contact,$atom);
logger('notifier: dfrn_delivery returns ' . $deliver_status);
if($deliver_status == (-1)) {
logger('notifier: delivery failed: queuing message');
// queue message for redelivery
q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
VALUES ( %d, '%s', '%s', '%s') ",
intval($contact['id']),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
dbesc($atom)
);
}
break;
case 'stat':
if($followup && $contact['notify']) {
logger('notifier: slapdelivery: ' . $contact['name']);
$deliver_status = slapper($owner,$contact['notify'],$slap);
if($deliver_status == (-1)) {
// queue message for redelivery
q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
VALUES ( %d, '%s', '%s', '%s') ",
intval($contact['id']),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
dbesc($slap)
);
}
}
else {
// only send salmon if public - e.g. if it's ok to notify
// a public hub, it's ok to send a salmon
if(count($slaps) && $notify_hub) {
logger('notifier: slapdelivery: ' . $contact['name']);
foreach($slaps as $slappy) {
if($contact['notify']) {
$deliver_status = slapper($owner,$contact['notify'],$slappy);
if($deliver_status == (-1)) {
// queue message for redelivery
q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
VALUES ( %d, '%s', '%s', '%s') ",
intval($contact['id']),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
dbesc($slappy)
);
}
}
}
}
}
break;
case 'mail':
case 'dspr':
case 'feed':
default:
break;
}
}
}
// send additional slaps to mentioned remote tags (@foo@example.com)
if($slap && count($url_recipients) && $followup && $notify_hub) {
foreach($url_recipients as $url) {
if($url) {
logger('notifier: urldelivery: ' . $url);
$deliver_status = slapper($owner,$url,$slap);
// TODO: redeliver/queue these items on failure, though there is no contact record
}
}
}
if((strlen($hub)) && ($notify_hub)) {
$hubs = explode(',', $hub);
if(count($hubs)) {
foreach($hubs as $h) {
$h = trim($h);
if(! strlen($h))
continue;
$params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
post_url($h,$params);
logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
if(count($hubs) > 1)
sleep(7); // try and avoid multiple hubs responding at precisely the same time
}
}
}
if($notify_hub) {
/**
*
* If you have less than 150 dfrn friends and it's a public message,
* we'll just go ahead and push them out securely with dfrn/rino.
* If you've got more than that, you'll have to rely on PuSH delivery.
*
*/
$max_allowed = ((get_config('system','maxpubdeliver') === false) ? 150 : intval(get_config('system','maxdeliver')));
/**
*
* Only get the bare essentials and go back for the full record.
* If you've got a lot of friends and we grab all the details at once it could exhaust memory.
*
*/
$r = q("SELECT `id`, `name` FROM `contact`
WHERE `network` = 'dfrn' AND `uid` = %d AND `blocked` = 0 AND `pending` = 0
AND `rel` != %d ",
intval($owner['uid']),
intval(REL_FAN)
);
if((count($r)) && (($max_allowed == 0) || (count($r) < $max_allowed))) {
foreach($r as $rr) {
/* Don't deliver to folks who have already been delivered to */
if(! in_array($rr['id'], $conversants)) {
$n = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
intval($rr['id'])
);
if(count($n)) {
logger('notifier: dfrnpubdelivery: ' . $n[0]['name']);
$deliver_status = dfrn_deliver($owner,$n[0],$atom);
}
}
else
logger('notifier: dfrnpubdelivery: ignoring ' . $rr['name']);
}
}
}
return;
}
if (array_search(__file__,get_included_files())===0){
echo "run!";
notifier_run($argv,$argc);
killme();
}