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
/**
* @file mod/subthread.php
*/
use Friendica\App;
use Friendica\Core\Hook;
use Friendica\Core\L10n;
use Friendica\Core\Logger;
use Friendica\Core\Session;
use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Item;
use Friendica\Protocol\Activity;
use Friendica\Util\Security;
use Friendica\Util\Strings;
use Friendica\Util\XML;
function subthread_content(App $a) {
if (!Session::isAuthenticated()) {
return;
}
$activity = Activity::FOLLOW;
$item_id = (($a->argc > 1) ? Strings::escapeTags(trim($a->argv[1])) : 0);
$condition = ["`parent` = ? OR `parent-uri` = ? AND `parent` = `id`", $item_id, $item_id];
$item = Item::selectFirst([], $condition);
if (empty($item_id) || !DBA::isResult($item)) {
Logger::log('subthread: no item ' . $item_id);
return;
}
$owner_uid = $item['uid'];
if (!Security::canWriteToUserWall($owner_uid)) {
return;
}
$remote_owner = null;
if (!$item['wall']) {
// The top level post may have been written by somebody on another system
$contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'uid' => $item['uid']]);
if (!DBA::isResult($contact)) {
return;
}
if (!$contact['self']) {
$remote_owner = $contact;
}
}
$owner = null;
// this represents the post owner on this system.
$r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
WHERE `contact`.`self` = 1 AND `contact`.`uid` = %d LIMIT 1",
intval($owner_uid)
);
if (DBA::isResult($r)) {
$owner = $r[0];
}
if (!$owner) {
Logger::log('like: no owner');
return;
}
if (!$remote_owner) {
$remote_owner = $owner;
}
$contact = null;
// This represents the person posting
if (local_user() && (local_user() == $owner_uid)) {
$contact = $owner;
} else {
$contact = DBA::selectFirst('contact', [], ['id' => $_SESSION['visitor_id'], 'uid' => $owner_uid]);
if (!DBA::isResult($contact)) {
return;
}
}
$uri = Item::newURI($owner_uid);
$post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
$objtype = (($item['resource-id']) ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE );
$link = XML::escape('<link rel="alternate" type="text/html" href="' . DI::baseUrl() . '/display/' . $item['guid'] . '" />' . "\n");
$body = $item['body'];
$obj = <<< EOT
<object>
<type>$objtype</type>
<local>1</local>
<id>{$item['uri']}</id>
<link>$link</link>
<title></title>
<content>$body</content>
</object>
EOT;
$bodyverb = L10n::t('%1$s is following %2$s\'s %3$s');
if (!isset($bodyverb)) {
return;
}
$arr = [];
$arr['guid'] = System::createUUID();
$arr['uri'] = $uri;
$arr['uid'] = $owner_uid;
$arr['contact-id'] = $contact['id'];
$arr['wall'] = $item['wall'];
$arr['origin'] = 1;
$arr['gravity'] = GRAVITY_ACTIVITY;
$arr['parent'] = $item['id'];
$arr['parent-uri'] = $item['uri'];
$arr['thr-parent'] = $item['uri'];
$arr['owner-name'] = $remote_owner['name'];
$arr['owner-link'] = $remote_owner['url'];
$arr['owner-avatar'] = $remote_owner['thumb'];
$arr['author-name'] = $contact['name'];
$arr['author-link'] = $contact['url'];
$arr['author-avatar'] = $contact['thumb'];
$ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
$alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
$plink = '[url=' . DI::baseUrl() . '/display/' . $item['guid'] . ']' . $post_type . '[/url]';
$arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
$arr['verb'] = $activity;
$arr['object-type'] = $objtype;
$arr['object'] = $obj;
$arr['allow_cid'] = $item['allow_cid'];
$arr['allow_gid'] = $item['allow_gid'];
$arr['deny_cid'] = $item['deny_cid'];
$arr['deny_gid'] = $item['deny_gid'];
$arr['visible'] = 1;
$arr['unseen'] = 1;
$post_id = Item::insert($arr);
if (!$item['visible']) {
Item::update(['visible' => true], ['id' => $item['id']]);
}
$arr['id'] = $post_id;
Hook::callAll('post_local_end', $arr);
exit();
}