diff options
Diffstat (limited to 'include/delivery.php')
| -rw-r--r-- | include/delivery.php | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/include/delivery.php b/include/delivery.php new file mode 100644 index 000000000..5d81228ee --- /dev/null +++ b/include/delivery.php @@ -0,0 +1,444 @@ +<?php +require_once("boot.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, $db_data); + } + + require_once("session.php"); + require_once("datetime.php"); + require_once('include/items.php'); + require_once('include/bbcode.php'); + require_once('include/diaspora.php'); + + load_config('config'); + load_config('system'); + + load_hooks(); + + if($argc < 3) + return; + + $a->set_baseurl(get_config('system','url')); + + logger('delivery: invoked: ' . print_r($argv,true)); + + $cmd = $argv[1]; + $item_id = intval($argv[2]); + $contact_id = intval($argv[3]); + + // 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($r)) { + return; + } + + // It's ours to deliver. Remove it from the queue. + + q("delete from deliverq where cmd = '%s' and item = %d and contact = %d limit 1", + dbesc($cmd), + dbesc($item_id), + dbesc($contact_id) + ); + + if((! $item_id) || (! $contact_id)) + return; + + $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)) + return; + } + else { + + // find ancestors + $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1", + intval($item_id) + ); + + if((! count($r)) || (! intval($r[0]['parent']))) { + return; + } + + $target_item = $r[0]; + $parent_id = intval($r[0]['parent']); + $uid = $r[0]['uid']; + $updated = $r[0]['edited']; + + + + $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer` + FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d ORDER BY `id` ASC", + intval($parent_id) + ); + + if(! count($items)) { + return; + } + + $icontacts = q("SELECT * FROM `contact` WHERE `id` IN ( SELECT distinct(`contact-id`) FROM `item` where `parent` = %d ) ", + intval($parent_id) + ); + if(! count($icontacts)) + return; + + + // avoid race condition with deleting entries + + if($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)) + return; + + $owner = $r[0]; + + $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'],$localhost))) { + logger('relay denied for delivery agent.'); + + /* no relay allowed for direct contact delivery */ + return; + } + + if((strlen($parent['allow_cid'])) + || (strlen($parent['allow_gid'])) + || (strlen($parent['deny_cid'])) + || (strlen($parent['deny_gid']))) { + $public_message = false; // private recipients, not public + } + + $conversant_str = intval($contact_id); + + $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0", + intval($contact_id) + ); + + if(count($r)) + $contact = $r[0]; + + + $feed_template = get_markup_template('atom_feed.tpl'); + $mail_template = get_markup_template('atom_mail.tpl'); + + $atom = ''; + $slaps = array(); + + $hubxml = feed_hublinks(); + + $birthday = feed_birthday($owner['uid'],$owner['timezone']); + + if(strlen($birthday)) + $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>'; + + $atom .= replace_macros($feed_template, array( + '$version' => xmlify(FRIENDIKA_VERSION), + '$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' => $birthday + )); + + foreach($items as $item) { + if(! $item['parent']) + continue; + + // private emails may be in included in public conversations. Filter them. + if(($public_message) && $item['private']) + continue; + + $item_contact = get_item_contact($item,$icontacts); + if(! $item_contact) + continue; + + $atom .= atom_entry($item,'text',$item_contact,$owner,true); + + if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire)) + $slaps[] = atom_entry($item,'html',$item_contact,$owner,true); + } + + $atom .= '</feed>' . "\r\n"; + + logger('notifier: ' . $atom, LOGGER_DATA); + + logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA); + + + require_once('include/salmon.php'); + + if($contact['self']) + return; + + $deliver_status = 0; + + switch($contact['network']) { + + case NETWORK_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 NETWORK_OSTATUS : + + // Do not send to otatus if we are not configured to send to public networks + if($owner['prvnets']) + break; + if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only')) + break; + + // only send salmon if public - e.g. if it's ok to notify + // a public hub, it's ok to send a salmon + + if((count($slaps)) && ($public_message) && (! $expire)) { + 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 NETWORK_MAIL : + + 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']) ? $it['title'] : t("\x28no subject\x29")) ; + $headers = 'From: ' . $local_user[0]['username'] . ' <' . $local_user[0]['email'] . '>' . "\n"; + if($reply_to) + $headers .= 'Reply-to: ' . $reply_to . "\n"; + $headers .= 'Message-id: <' . $it['uri'] . '>' . "\n"; + if($it['uri'] !== $it['parent-uri']) { + $header .= 'References: <' . $it['parent-uri'] . '>' . "\n"; + if(! strlen($it['title'])) { + $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1", + dbesc($it['parent-uri']) + ); + if(count($r)) { + $subtitle = $r[0]['title']; + if($subtitle) { + if(strncasecmp($subtitle,'RE:',3)) + $subject = $subtitle; + else + $subject = 'Re: ' . $subtitle; + } + } + } + } + $headers .= 'MIME-Version: 1.0' . "\n"; + $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n"; + $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n"; + $html = prepare_body($it); + $message = '<html><body>' . $html . '</body></html>'; + logger('notifier: email delivery to ' . $addr); + mail($addr, $subject, $message, $headers); + } + break; + + case NETWORK_DIASPORA : + logger('delivery: diaspora deliver: ' . $contact['name']); + + if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')) || (! $normal_mode)) + break; + + if(! $contact['pubkey']) + break; + + if($target_item['verb'] === ACTIVITY_DISLIKE) { + // unsupported + break; + } + elseif(($target_item['deleted']) && ($target_item['verb'] !== ACTIVITY_LIKE)) { + logger('delivery: diaspora retract: ' . $contact['name']); + // diaspora delete, + diaspora_send_retraction($target_item,$owner,$contact); + break; + } + elseif($target_item['parent'] != $target_item['id']) { + + logger('delivery: diaspora relay: ' . $contact['name']); + + // we are the relay - send comments, likes and unlikes to our conversants + diaspora_send_relay($target_item,$owner,$contact); + break; + } + elseif($top_level) { + logger('delivery: diaspora status: ' . $contact['name']); + diaspora_send_status($target_item,$owner,$contact); + 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(); +} |