friendica_2021.01_tupambae_.../include/delivery.php

553 lines
16 KiB
PHP

<?php
require_once("boot.php");
require_once('include/queue_fn.php');
require_once('include/html2plain.php');
function delivery_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, $db_data);
}
require_once("session.php");
require_once("datetime.php");
require_once('include/items.php');
require_once('include/bbcode.php');
require_once('include/diaspora.php');
require_once('include/email.php');
load_config('config');
load_config('system');
load_hooks();
if($argc < 3)
return;
$a->set_baseurl(get_config('system','url'));
logger('delivery: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
$cmd = $argv[1];
$item_id = intval($argv[2]);
for($x = 3; $x < $argc; $x ++) {
$contact_id = intval($argv[$x]);
// Some other process may have delivered this item already.
$r = q("select * from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
dbesc($cmd),
dbesc($item_id),
dbesc($contact_id)
);
if(! count($r)) {
continue;
}
$maxsysload = intval(get_config('system','maxloadavg'));
if($maxsysload < 1)
$maxsysload = 50;
if(function_exists('sys_getloadavg')) {
$load = sys_getloadavg();
if(intval($load[0]) > $maxsysload) {
logger('system: load ' . $load . ' too high. Delivery deferred to next queue run.');
return;
}
}
// It's ours to deliver. Remove it from the queue.
q("delete from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
dbesc($cmd),
dbesc($item_id),
dbesc($contact_id)
);
if((! $item_id) || (! $contact_id))
continue;
$expire = false;
$top_level = false;
$recipients = array();
$url_recipients = array();
$normal_mode = true;
$recipients[] = $contact_id;
if($cmd === 'expire') {
$normal_mode = false;
$expire = true;
$items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 30 MINUTE",
intval($item_id)
);
$uid = $item_id;
$item_id = 0;
if(! count($items))
continue;
}
else {
// find ancestors
$r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
intval($item_id)
);
if((! count($r)) || (! intval($r[0]['parent']))) {
continue;
}
$target_item = $r[0];
$parent_id = intval($r[0]['parent']);
$uid = $r[0]['uid'];
$updated = $r[0]['edited'];
// POSSIBLE CLEANUP --> The following seems superfluous. We've already checked for "if (! intval($r[0]['parent']))" a few lines up
if(! $parent_id)
continue;
$items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
intval($parent_id)
);
if(! count($items)) {
continue;
}
$icontacts = null;
$contacts_arr = array();
foreach($items as $item)
if(! in_array($item['contact-id'],$contacts_arr))
$contacts_arr[] = intval($item['contact-id']);
if(count($contacts_arr)) {
$str_contacts = implode(',',$contacts_arr);
$icontacts = q("SELECT * FROM `contact`
WHERE `id` IN ( $str_contacts ) "
);
}
if( ! ($icontacts && count($icontacts)))
continue;
// avoid race condition with deleting entries
if($items[0]['deleted']) {
foreach($items as $item)
$item['deleted'] = 1;
}
if((count($items) == 1) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
logger('delivery: top level post');
$top_level = true;
}
}
$r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
`user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
`user`.`page-flags`, `user`.`prvnets`
FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
intval($uid)
);
if(! count($r))
continue;
$owner = $r[0];
$walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
$public_message = true;
// fill this in with a single salmon slap if applicable
$slap = '';
require_once('include/group.php');
$parent = $items[0];
// This is IMPORTANT!!!!
// We will only send a "notify owner to relay" or followup message if the referenced post
// originated on our system by virtue of having our hostname somewhere
// in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
// if $parent['wall'] == 1 we will already have the parent message in our array
// and we will relay the whole lot.
// expire sends an entire group of expire messages and cannot be forwarded.
// However the conversation owner will be a part of the conversation and will
// be notified during this run.
// Other DFRN conversation members will be alerted during polled updates.
// Diaspora members currently are not notified of expirations, and other networks have
// either limited or no ability to process deletions. We should at least fix Diaspora
// by stringing togther an array of retractions and sending them onward.
$localhost = $a->get_hostname();
if(strpos($localhost,':'))
$localhost = substr($localhost,0,strpos($localhost,':'));
/**
*
* Be VERY CAREFUL if you make any changes to the following line. Seemingly innocuous changes
* have been known to cause runaway conditions which affected several servers, along with
* permissions issues.
*
*/
if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
logger('relay denied for delivery agent.');
/* no relay allowed for direct contact delivery */
continue;
}
if((strlen($parent['allow_cid']))
|| (strlen($parent['allow_gid']))
|| (strlen($parent['deny_cid']))
|| (strlen($parent['deny_gid']))) {
$public_message = false; // private recipients, not public
}
$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0",
intval($contact_id)
);
if(count($r))
$contact = $r[0];
$hubxml = feed_hublinks();
logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
require_once('include/salmon.php');
if($contact['self'])
continue;
$deliver_status = 0;
switch($contact['network']) {
case NETWORK_DFRN :
logger('notifier: dfrndelivery: ' . $contact['name']);
$feed_template = get_markup_template('atom_feed.tpl');
$mail_template = get_markup_template('atom_mail.tpl');
$atom = '';
$birthday = feed_birthday($owner['uid'],$owner['timezone']);
if(strlen($birthday))
$birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
$atom .= replace_macros($feed_template, array(
'$version' => xmlify(FRIENDICA_VERSION),
'$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' => $birthday,
'$community' => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
));
foreach($items as $item) {
if(! $item['parent'])
continue;
// private emails may be in included in public conversations. Filter them.
if(($public_message) && $item['private'] == 1)
continue;
$item_contact = get_item_contact($item,$icontacts);
if(! $item_contact)
continue;
if($normal_mode) {
if($item_id == $item['id'] || $item['id'] == $item['parent'])
$atom .= atom_entry($item,'text',null,$owner,true,(($top_level) ? $contact['id'] : 0));
}
else
$atom .= atom_entry($item,'text',null,$owner,true);
}
$atom .= '</feed>' . "\r\n";
logger('notifier: ' . $atom, LOGGER_DATA);
$basepath = implode('/', array_slice(explode('/',$contact['url']),0,3));
// perform local delivery if we are on the same site
if(link_compare($basepath,$a->get_baseurl())) {
$nickname = basename($contact['url']);
if($contact['issued-id'])
$sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
else
$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
$x = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
`contact`.`pubkey` AS `cpubkey`,
`contact`.`prvkey` AS `cprvkey`,
`contact`.`thumb` AS `thumb`,
`contact`.`url` as `url`,
`contact`.`name` as `senderName`,
`user`.*
FROM `contact`
LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
$sql_extra
AND `user`.`account_expired` = 0 LIMIT 1",
dbesc(NETWORK_DFRN),
dbesc($nickname)
);
if(count($x)) {
if($owner['page-flags'] == PAGE_COMMUNITY && ! $x[0]['writable']) {
q("update contact set writable = 1 where id = %d limit 1",
intval($x[0]['id'])
);
$x[0]['writable'] = 1;
}
$ssl_policy = get_config('system','ssl_policy');
fix_contact_ssl_policy($x[0],$ssl_policy);
// If we are setup as a soapbox we aren't accepting input from this person
if($x[0]['page-flags'] == PAGE_SOAPBOX)
break;
require_once('library/simplepie/simplepie.inc');
logger('mod-delivery: local delivery');
local_delivery($x[0],$atom);
break;
}
}
if(! was_recently_delayed($contact['id']))
$deliver_status = dfrn_deliver($owner,$contact,$atom);
else
$deliver_status = (-1);
logger('notifier: dfrn_delivery returns ' . $deliver_status);
if($deliver_status == (-1)) {
logger('notifier: delivery failed: queuing message');
add_to_queue($contact['id'],NETWORK_DFRN,$atom);
}
break;
case NETWORK_OSTATUS :
// Do not send to otatus if we are not configured to send to public networks
if($owner['prvnets'])
break;
if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
break;
// only send salmon if public - e.g. if it's ok to notify
// a public hub, it's ok to send a salmon
if(($public_message) && (! $expire)) {
$slaps = array();
foreach($items as $item) {
if(! $item['parent'])
continue;
// private emails may be in included in public conversations. Filter them.
if(($public_message) && $item['private'] == 1)
continue;
$item_contact = get_item_contact($item,$icontacts);
if(! $item_contact)
continue;
if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
$slaps[] = atom_entry($item,'html',null,$owner,true);
}
logger('notifier: slapdelivery: ' . $contact['name']);
foreach($slaps as $slappy) {
if($contact['notify']) {
if(! was_recently_delayed($contact['id']))
$deliver_status = slapper($owner,$contact['notify'],$slappy);
else
$deliver_status = (-1);
if($deliver_status == (-1)) {
// queue message for redelivery
add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
}
}
}
}
break;
case NETWORK_MAIL :
case NETWORK_MAIL2:
if(get_config('system','dfrn_only'))
break;
// WARNING: does not currently convert to RFC2047 header encodings, etc.
$addr = $contact['addr'];
if(! strlen($addr))
break;
if($cmd === 'wall-new' || $cmd === 'comment-new') {
$it = null;
if($cmd === 'wall-new')
$it = $items[0];
else {
$r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($argv[2]),
intval($uid)
);
if(count($r))
$it = $r[0];
}
if(! $it)
break;
$local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
intval($uid)
);
if(! count($local_user))
break;
$reply_to = '';
$r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
intval($uid)
);
if($r1 && $r1[0]['reply_to'])
$reply_to = $r1[0]['reply_to'];
$subject = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
// only expose our real email address to true friends
if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
$headers = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
else
$headers = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
if($reply_to)
$headers .= 'Reply-to: ' . $reply_to . "\n";
// for testing purposes: Collect exported mails
// $file = tempnam("/tmp/friendica/", "mail-out-");
// file_put_contents($file, json_encode($it));
$headers .= 'Message-Id: <' . iri2msgid($it['uri']). '>' . "\n";
//logger("Mail: uri: ".$it['uri']." parent-uri ".$it['parent-uri'], LOGGER_DEBUG);
//logger("Mail: Data: ".print_r($it, true), LOGGER_DEBUG);
//logger("Mail: Data: ".print_r($it, true), LOGGER_DATA);
if($it['uri'] !== $it['parent-uri']) {
$headers .= 'References: <' . iri2msgid($it['parent-uri']) . '>' . "\n";
if(!strlen($it['title'])) {
$r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
dbesc($it['parent-uri']));
if(count($r) AND ($r[0]['title'] != ''))
$subject = $r[0]['title'];
}
if(strncasecmp($subject,'RE:',3))
$subject = 'Re: '.$subject;
}
email_send($addr, $subject, $headers, $it);
}
break;
case NETWORK_DIASPORA :
if($public_message)
$loc = 'public batch ' . $contact['batch'];
else
$loc = $contact['name'];
logger('delivery: diaspora batch deliver: ' . $loc);
if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')) || (! $normal_mode))
break;
if((! $contact['pubkey']) && (! $public_message))
break;
if($target_item['verb'] === ACTIVITY_DISLIKE) {
// unsupported
break;
}
elseif(($target_item['deleted']) && ($target_item['uri'] === $target_item['parent-uri'])) {
// top-level retraction
logger('delivery: diaspora retract: ' . $loc);
diaspora_send_retraction($target_item,$owner,$contact,$public_message);
break;
}
elseif($target_item['uri'] !== $target_item['parent-uri']) {
// we are the relay - send comments, likes and relayable_retractions to our conversants
logger('delivery: diaspora relay: ' . $loc);
diaspora_send_relay($target_item,$owner,$contact,$public_message);
break;
}
elseif(($top_level) && (! $walltowall)) {
// currently no workable solution for sending walltowall
logger('delivery: diaspora status: ' . $loc);
diaspora_send_status($target_item,$owner,$contact,$public_message);
break;
}
logger('delivery: diaspora unknown mode: ' . $contact['name']);
break;
case NETWORK_FEED :
case NETWORK_FACEBOOK :
if(get_config('system','dfrn_only'))
break;
default:
break;
}
}
return;
}
if (array_search(__file__,get_included_files())===0){
delivery_run($argv,$argc);
killme();
}