564 lines
18 KiB
PHP
564 lines
18 KiB
PHP
<?php
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/**
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* @file src/Worker/Notifier.php
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*/
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namespace Friendica\Worker;
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use Friendica\Core\Addon;
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use Friendica\Core\Config;
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use Friendica\Core\Worker;
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use Friendica\Database\DBM;
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use Friendica\Model\Contact;
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use Friendica\Model\Group;
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use Friendica\Model\User;
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use Friendica\Network\Probe;
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use Friendica\Protocol\Diaspora;
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use Friendica\Protocol\OStatus;
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use Friendica\Protocol\Salmon;
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use dba;
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require_once 'include/dba.php';
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require_once 'include/items.php';
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/*
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* This file was at one time responsible for doing all deliveries, but this caused
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* big problems when the process was killed or stalled during the delivery process.
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* It now invokes separate queues that are delivering via delivery.php and pubsubpublish.php.
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*/
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/*
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* The notifier is typically called with:
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*
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* Worker::add(PRIORITY_HIGH, "Notifier", COMMAND, ITEM_ID);
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*
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* where COMMAND is one of the following:
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*
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* activity (in diaspora.php, dfrn_confirm.php, profiles.php)
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* comment-import (in diaspora.php, items.php)
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* comment-new (in item.php)
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* drop (in diaspora.php, items.php, photos.php)
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* edit_post (in item.php)
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* event (in events.php)
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* like (in like.php, poke.php)
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* mail (in message.php)
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* suggest (in fsuggest.php)
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* tag (in photos.php, poke.php, tagger.php)
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* tgroup (in items.php)
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* wall-new (in photos.php, item.php)
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* removeme (in Contact.php)
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* relocate (in uimport.php)
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*
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* and ITEM_ID is the id of the item in the database that needs to be sent to others.
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*/
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class Notifier {
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public static function execute($cmd, $item_id) {
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global $a;
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logger('notifier: invoked: '.$cmd.': '.$item_id, LOGGER_DEBUG);
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$mail = false;
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$fsuggest = false;
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$relocate = false;
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$top_level = false;
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$recipients = [];
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$url_recipients = [];
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$normal_mode = true;
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$recipients_relocate = [];
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if ($cmd === 'mail') {
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$normal_mode = false;
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$mail = true;
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$message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
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intval($item_id)
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);
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if (!count($message)) {
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return;
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}
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$uid = $message[0]['uid'];
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$recipients[] = $message[0]['contact-id'];
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$item = $message[0];
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} elseif ($cmd === 'suggest') {
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$normal_mode = false;
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$fsuggest = true;
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$suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
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intval($item_id)
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);
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if (!count($suggest)) {
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return;
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}
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$uid = $suggest[0]['uid'];
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$recipients[] = $suggest[0]['cid'];
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$item = $suggest[0];
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} elseif ($cmd === 'removeme') {
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$r = q("SELECT `contact`.*, `user`.`prvkey` AS `uprvkey`,
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`user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
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`user`.`page-flags`, `user`.`prvnets`, `user`.`account-type`, `user`.`guid`
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FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
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WHERE `contact`.`uid` = %d AND `contact`.`self` LIMIT 1",
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intval($item_id));
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if (!$r) {
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return;
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}
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$user = $r[0];
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$r = q("SELECT * FROM `contact` WHERE NOT `self` AND `uid` = %d", intval($item_id));
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if (!$r) {
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return;
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}
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foreach ($r as $contact) {
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Contact::terminateFriendship($user, $contact);
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}
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return;
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} elseif ($cmd === 'relocate') {
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$normal_mode = false;
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$relocate = true;
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$uid = $item_id;
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$recipients_relocate = q("SELECT * FROM `contact` WHERE `uid` = %d AND NOT `self` AND `network` IN ('%s', '%s')",
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intval($uid), NETWORK_DFRN, NETWORK_DIASPORA);
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} else {
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// find ancestors
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$target_item = dba::fetch_first("SELECT `item`.*, `contact`.`uid` AS `cuid` FROM `item`
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INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
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WHERE `item`.`id` = ? AND `visible` AND NOT `moderated`", $item_id);
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if (!DBM::is_result($target_item) || !intval($target_item['parent'])) {
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return;
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}
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$parent_id = intval($target_item['parent']);
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$uid = $target_item['cuid'];
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$updated = $target_item['edited'];
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$items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
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FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d AND visible AND NOT moderated ORDER BY `id` ASC",
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intval($parent_id)
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);
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if (!count($items)) {
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return;
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}
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// avoid race condition with deleting entries
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if ($items[0]['deleted']) {
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foreach ($items as $item) {
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$item['deleted'] = 1;
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}
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}
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if ((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
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logger('notifier: top level post');
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$top_level = true;
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}
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}
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$owner = User::getOwnerDataById($uid);
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if (!$owner) {
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return;
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}
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$walltowall = ($top_level && ($owner['id'] != $items[0]['contact-id']) ? true : false);
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// Should the post be transmitted to Diaspora?
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$diaspora_delivery = true;
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// If this is a public conversation, notify the feed hub
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$public_message = true;
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// Do a PuSH
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$push_notify = false;
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// Deliver directly to a forum, don't PuSH
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$direct_forum_delivery = false;
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// fill this in with a single salmon slap if applicable
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$slap = '';
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$followup = false;
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$recipients_followup = [];
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$conversants = [];
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$sql_extra = '';
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if (! ($mail || $fsuggest || $relocate)) {
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$slap = OStatus::salmon($target_item, $owner);
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$parent = $items[0];
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$thr_parent = q("SELECT `network`, `author-link`, `owner-link` FROM `item` WHERE `uri` = '%s' AND `uid` = %d",
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dbesc($target_item["thr-parent"]), intval($target_item["uid"]));
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logger('GUID: '.$target_item["guid"].': Parent is '.$parent['network'].'. Thread parent is '.$thr_parent[0]['network'], LOGGER_DEBUG);
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// This is IMPORTANT!!!!
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// We will only send a "notify owner to relay" or followup message if the referenced post
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// originated on our system by virtue of having our hostname somewhere
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// in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
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// if $parent['wall'] == 1 we will already have the parent message in our array
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// and we will relay the whole lot.
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$localhost = str_replace('www.','',$a->get_hostname());
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if (strpos($localhost,':')) {
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$localhost = substr($localhost,0,strpos($localhost,':'));
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}
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/**
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*
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* Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
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* have been known to cause runaway conditions which affected several servers, along with
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* permissions issues.
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*
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*/
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$relay_to_owner = false;
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if (!$top_level && ($parent['wall'] == 0) && (stristr($target_item['uri'],$localhost))) {
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$relay_to_owner = true;
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}
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if (($cmd === 'uplink') && (intval($parent['forum_mode']) == 1) && !$top_level) {
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$relay_to_owner = true;
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}
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// until the 'origin' flag has been in use for several months
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// we will just use it as a fallback test
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// later we will be able to use it as the primary test of whether or not to relay.
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if (!$target_item['origin']) {
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$relay_to_owner = false;
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}
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if ($parent['origin']) {
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$relay_to_owner = false;
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}
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// Special treatment for forum posts
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if (($target_item['author-link'] != $target_item['owner-link']) &&
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($owner['id'] != $target_item['contact-id']) &&
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($target_item['uri'] === $target_item['parent-uri'])) {
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$fields = ['forum', 'prv'];
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$condition = ['id' => $target_item['contact-id']];
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$contact = dba::selectFirst('contact', $fields, $condition);
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if (!DBM::is_result($contact)) {
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// Should never happen
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return false;
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}
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// Is the post from a forum?
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if ($contact['forum'] || $contact['prv']) {
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$relay_to_owner = true;
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$direct_forum_delivery = true;
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}
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}
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if ($relay_to_owner) {
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// local followup to remote post
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$followup = true;
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$public_message = false; // not public
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$conversant_str = dbesc($parent['contact-id']);
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$recipients = [$parent['contact-id']];
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$recipients_followup = [$parent['contact-id']];
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logger('notifier: followup '.$target_item["guid"].' to '.$conversant_str, LOGGER_DEBUG);
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//if (!$target_item['private'] && $target_item['wall'] &&
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if (!$target_item['private'] &&
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(strlen($target_item['allow_cid'].$target_item['allow_gid'].
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$target_item['deny_cid'].$target_item['deny_gid']) == 0))
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$push_notify = true;
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if (($thr_parent && ($thr_parent[0]['network'] == NETWORK_OSTATUS)) || ($parent['network'] == NETWORK_OSTATUS)) {
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$push_notify = true;
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if ($parent["network"] == NETWORK_OSTATUS) {
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// Distribute the message to the DFRN contacts as if this wasn't a followup since OStatus can't relay comments
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// Currently it is work at progress
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$r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s' AND NOT `blocked` AND NOT `pending` AND NOT `archive`",
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intval($uid),
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dbesc(NETWORK_DFRN)
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);
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if (DBM::is_result($r)) {
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foreach ($r as $rr) {
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$recipients_followup[] = $rr['id'];
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}
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}
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}
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}
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if ($direct_forum_delivery) {
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$push_notify = false;
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}
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logger("Notify ".$target_item["guid"]." via PuSH: ".($push_notify?"Yes":"No"), LOGGER_DEBUG);
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} else {
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$followup = false;
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logger('Distributing directly '.$target_item["guid"], LOGGER_DEBUG);
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// don't send deletions onward for other people's stuff
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if ($target_item['deleted'] && !intval($target_item['wall'])) {
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logger('notifier: ignoring delete notification for non-wall item');
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return;
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}
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if (strlen($parent['allow_cid'])
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|| strlen($parent['allow_gid'])
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|| strlen($parent['deny_cid'])
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|| strlen($parent['deny_gid'])) {
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$public_message = false; // private recipients, not public
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}
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$allow_people = expand_acl($parent['allow_cid']);
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$allow_groups = Group::expand(expand_acl($parent['allow_gid']),true);
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$deny_people = expand_acl($parent['deny_cid']);
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$deny_groups = Group::expand(expand_acl($parent['deny_gid']));
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// if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
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// a delivery fork. private groups (forum_mode == 2) do not uplink
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if ((intval($parent['forum_mode']) == 1) && !$top_level && ($cmd !== 'uplink')) {
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Worker::add($a->queue['priority'], 'Notifier', 'uplink', $item_id);
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}
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foreach ($items as $item) {
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$recipients[] = $item['contact-id'];
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$conversants[] = $item['contact-id'];
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// pull out additional tagged people to notify (if public message)
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if ($public_message && strlen($item['inform'])) {
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$people = explode(',',$item['inform']);
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foreach ($people as $person) {
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if (substr($person,0,4) === 'cid:') {
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$recipients[] = intval(substr($person,4));
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$conversants[] = intval(substr($person,4));
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} else {
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$url_recipients[] = substr($person,4);
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}
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}
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}
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}
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if (count($url_recipients)) {
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logger('notifier: '.$target_item["guid"].' url_recipients ' . print_r($url_recipients,true));
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}
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$conversants = array_unique($conversants);
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$recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
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$deny = array_unique(array_merge($deny_people,$deny_groups));
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$recipients = array_diff($recipients,$deny);
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$conversant_str = dbesc(implode(', ',$conversants));
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}
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// If the thread parent is OStatus then do some magic to distribute the messages.
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// We have not only to look at the parent, since it could be a Friendica thread.
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if (($thr_parent && ($thr_parent[0]['network'] == NETWORK_OSTATUS)) || ($parent['network'] == NETWORK_OSTATUS)) {
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$diaspora_delivery = false;
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logger('Some parent is OStatus for '.$target_item["guid"]." - Author: ".$thr_parent[0]['author-link']." - Owner: ".$thr_parent[0]['owner-link'], LOGGER_DEBUG);
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// Send a salmon to the parent author
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$r = q("SELECT `url`, `notify` FROM `contact` WHERE `nurl`='%s' AND `uid` IN (0, %d) AND `notify` != ''",
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dbesc(normalise_link($thr_parent[0]['author-link'])),
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intval($uid));
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if (DBM::is_result($r)) {
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$probed_contact = $r[0];
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} else {
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$probed_contact = Probe::uri($thr_parent[0]['author-link']);
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}
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if ($probed_contact["notify"] != "") {
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logger('Notify parent author '.$probed_contact["url"].': '.$probed_contact["notify"]);
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$url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
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}
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// Send a salmon to the parent owner
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$r = q("SELECT `url`, `notify` FROM `contact` WHERE `nurl`='%s' AND `uid` IN (0, %d) AND `notify` != ''",
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dbesc(normalise_link($thr_parent[0]['owner-link'])),
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intval($uid));
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if (DBM::is_result($r)) {
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$probed_contact = $r[0];
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} else {
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$probed_contact = Probe::uri($thr_parent[0]['owner-link']);
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}
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if ($probed_contact["notify"] != "") {
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logger('Notify parent owner '.$probed_contact["url"].': '.$probed_contact["notify"]);
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$url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
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}
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// Send a salmon notification to every person we mentioned in the post
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$arr = explode(',',$target_item['tag']);
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foreach ($arr as $x) {
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//logger('Checking tag '.$x, LOGGER_DEBUG);
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$matches = null;
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if (preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
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$probed_contact = Probe::uri($matches[1]);
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if ($probed_contact["notify"] != "") {
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logger('Notify mentioned user '.$probed_contact["url"].': '.$probed_contact["notify"]);
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$url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
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}
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}
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}
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// It only makes sense to distribute answers to OStatus messages to Friendica and OStatus - but not Diaspora
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$sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."')";
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} else {
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$sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."', '".NETWORK_DIASPORA."', '".NETWORK_MAIL."')";
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}
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} else {
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$public_message = false;
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}
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// If this is a public message and pubmail is set on the parent, include all your email contacts
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$mail_disabled = ((function_exists('imap_open') && (!Config::get('system','imap_disabled'))) ? 0 : 1);
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if (!$mail_disabled) {
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if (!strlen($target_item['allow_cid']) && !strlen($target_item['allow_gid'])
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&& !strlen($target_item['deny_cid']) && !strlen($target_item['deny_gid'])
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&& intval($target_item['pubmail'])) {
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$r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
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intval($uid),
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dbesc(NETWORK_MAIL)
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);
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if (DBM::is_result($r)) {
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foreach ($r as $rr) {
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$recipients[] = $rr['id'];
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}
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}
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}
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}
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if ($followup) {
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$recip_str = implode(', ', $recipients_followup);
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} else {
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$recip_str = implode(', ', $recipients);
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}
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if ($relocate) {
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$r = $recipients_relocate;
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} else {
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$r = q("SELECT `id`, `url`, `network`, `self` FROM `contact`
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WHERE `id` IN (%s) AND NOT `blocked` AND NOT `pending` AND NOT `archive`".$sql_extra,
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dbesc($recip_str)
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);
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}
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// delivery loop
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if (DBM::is_result($r)) {
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foreach ($r as $contact) {
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if ($contact['self']) {
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continue;
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}
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logger("Deliver ".$target_item["guid"]." to ".$contact['url']." via network ".$contact['network'], LOGGER_DEBUG);
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Worker::add(['priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true],
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'Delivery', $cmd, $item_id, (int)$contact['id']);
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}
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}
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// send salmon slaps to mentioned remote tags (@foo@example.com) in OStatus posts
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// They are especially used for notifications to OStatus users that don't follow us.
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if ($slap && count($url_recipients) && ($public_message || $push_notify) && $normal_mode) {
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if (!Config::get('system', 'dfrn_only')) {
|
|
foreach ($url_recipients as $url) {
|
|
if ($url) {
|
|
logger('notifier: urldelivery: ' . $url);
|
|
$deliver_status = Salmon::slapper($owner, $url, $slap);
|
|
/// @TODO Redeliver/queue these items on failure, though there is no contact record
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if ($public_message) {
|
|
|
|
$r0 = [];
|
|
$r1 = [];
|
|
|
|
if ($diaspora_delivery) {
|
|
if (!$followup) {
|
|
$r0 = Diaspora::relayList();
|
|
}
|
|
|
|
$r1 = q("SELECT `batch`, ANY_VALUE(`id`) AS `id`, ANY_VALUE(`name`) AS `name`, ANY_VALUE(`network`) AS `network`
|
|
FROM `contact` WHERE `network` = '%s' AND `batch` != ''
|
|
AND `uid` = %d AND `rel` != %d AND NOT `blocked` AND NOT `pending` AND NOT `archive` GROUP BY `batch`",
|
|
dbesc(NETWORK_DIASPORA),
|
|
intval($owner['uid']),
|
|
intval(CONTACT_IS_SHARING)
|
|
);
|
|
|
|
// Fetch the participation list
|
|
// The function will ensure that there are no duplicates
|
|
$r1 = Diaspora::participantsForThread($item_id, $r1);
|
|
|
|
}
|
|
|
|
$r2 = q("SELECT `id`, `name`,`network` FROM `contact`
|
|
WHERE `network` in ('%s') AND `uid` = %d AND NOT `blocked` AND NOT `pending` AND NOT `archive` AND `rel` != %d",
|
|
dbesc(NETWORK_DFRN),
|
|
intval($owner['uid']),
|
|
intval(CONTACT_IS_SHARING)
|
|
);
|
|
|
|
|
|
$r = array_merge($r2, $r1, $r0);
|
|
|
|
if (DBM::is_result($r)) {
|
|
logger('pubdeliver '.$target_item["guid"].': '.print_r($r,true), LOGGER_DEBUG);
|
|
|
|
foreach ($r as $rr) {
|
|
|
|
// except for Diaspora batch jobs
|
|
// Don't deliver to folks who have already been delivered to
|
|
|
|
if (($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'], $conversants))) {
|
|
logger('notifier: already delivered id=' . $rr['id']);
|
|
continue;
|
|
}
|
|
|
|
if (!$mail && !$fsuggest && !$followup) {
|
|
logger('notifier: delivery agent: '.$rr['name'].' '.$rr['id'].' '.$rr['network'].' '.$target_item["guid"]);
|
|
Worker::add(['priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true],
|
|
'Delivery', $cmd, $item_id, (int)$rr['id']);
|
|
}
|
|
}
|
|
}
|
|
|
|
$push_notify = true;
|
|
|
|
}
|
|
|
|
// Notify PuSH subscribers (Used for OStatus distribution of regular posts)
|
|
if ($push_notify) {
|
|
// Set push flag for PuSH subscribers to this topic,
|
|
// they will be notified in queue.php
|
|
q("UPDATE `push_subscriber` SET `push` = 1 ".
|
|
"WHERE `nickname` = '%s' AND `push` = 0", dbesc($owner['nickname']));
|
|
|
|
logger('Activating internal PuSH for item '.$item_id, LOGGER_DEBUG);
|
|
|
|
// Handling the pubsubhubbub requests
|
|
Worker::add(['priority' => PRIORITY_HIGH, 'created' => $a->queue['created'], 'dont_fork' => true],
|
|
'PubSubPublish');
|
|
}
|
|
|
|
logger('notifier: calling hooks', LOGGER_DEBUG);
|
|
|
|
if ($normal_mode) {
|
|
Addon::forkHooks($a->queue['priority'], 'notifier_normal', $target_item);
|
|
}
|
|
|
|
Addon::callHooks('notifier_end',$target_item);
|
|
|
|
return;
|
|
}
|
|
}
|