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<?php
require_once('include/security.php');
require_once('include/bbcode.php');
require_once('include/items.php');
function like_content(&$a) {
$observer = $a->get_observer();
$verb = notags(trim($_GET['verb']));
if(! $verb)
$verb = 'like';
switch($verb) {
case 'like':
case 'unlike':
$activity = ACTIVITY_LIKE;
break;
case 'dislike':
case 'undislike':
$activity = ACTIVITY_DISLIKE;
break;
default:
return;
break;
}
$item_id = ((argc() > 1) ? notags(trim(argv(1))) : 0);
logger('like: verb ' . $verb . ' item ' . $item_id, LOGGER_DEBUG);
$r = q("SELECT * FROM item WHERE id = %d and item_restrict = 0 LIMIT 1",
dbesc($item_id)
);
if(! $item_id || (! $r)) {
logger('like: no item ' . $item_id);
killme();
}
$item = $r[0];
$sys = get_sys_channel();
$owner_uid = $item['uid'];
$owner_aid = $item['aid'];
// if this is a "discover" item, (item['uid'] is the sys channel),
// fallback to the item comment policy, which should've been
// respected when generating the conversation thread.
// Even if the activity is rejected by the item owner, it should still get attached
// to the local discover conversation on this site.
if(($owner_uid != $sys['channel_id']) && (! perm_is_allowed($owner_uid,$observer['xchan_hash'],'post_comments'))) {
notice( t('Permission denied') . EOL);
killme();
}
$r = q("select * from xchan where xchan_hash = '%s' limit 1",
dbesc($item['owner_xchan'])
);
if($r)
$thread_owner = $r[0];
else
killme();
$r = q("select * from xchan where xchan_hash = '%s' limit 1",
dbesc($item['author_xchan'])
);
if($r)
$item_author = $r[0];
else
killme();
$r = q("SELECT * FROM item WHERE verb = '%s' AND item_restrict = 0
AND author_xchan = '%s' AND ( parent = %d OR thr_parent = '%s') LIMIT 1",
dbesc($activity),
dbesc($observer['xchan_hash']),
intval($item_id),
dbesc($item['mid'])
);
if($r) {
$like_item = $r[0];
// Already liked/disliked it, delete it
$r = q("UPDATE item SET item_restrict = ( item_restrict ^ %d ), changed = '%s' WHERE id = %d LIMIT 1",
intval(ITEM_DELETED),
dbesc(datetime_convert()),
intval($like_item['id'])
);
proc_run('php',"include/notifier.php","like",$like_item['id']);
return;
}
$mid = item_message_id();
$post_type = (($item['resource_type'] === 'photo') ? t('photo') : t('status'));
$links = array(array('rel' => 'alternate','type' => 'text/html', 'href' => $item['plink']));
$objtype = (($item['resource_type'] === 'photo') ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
$body = $item['body'];
$obj = json_encode(array(
'type' => $objtype,
'id' => $item['mid'],
'parent' => (($item['thr_parent']) ? $item['thr_parent'] : $item['parent_mid']),
'link' => $links,
'title' => $item['title'],
'content' => $item['body'],
'created' => $item['created'],
'edited' => $item['edited'],
'author' => array(
'name' => $item_author['xchan_name'],
'address' => $item_author['xchan_addr'],
'guid' => $item_author['xchan_guid'],
'guid_sig' => $item_author['xchan_guid_sig'],
'link' => array(
array('rel' => 'alternate', 'type' => 'text/html', 'href' => $item_author['xchan_url']),
array('rel' => 'photo', 'type' => $item_author['xchan_photo_mimetype'], 'href' => $item_author['xchan_photo_m'])),
),
));
if(! ($item['item_flags'] & ITEM_THREAD_TOP))
$post_type = 'comment';
if($verb === 'like')
$bodyverb = t('%1$s likes %2$s\'s %3$s');
if($verb === 'dislike')
$bodyverb = t('%1$s doesn\'t like %2$s\'s %3$s');
if(! isset($bodyverb))
return;
$item_flags = ITEM_ORIGIN | ITEM_NOTSHOWN;
if($item['item_flags'] & ITEM_WALL)
$item_flags |= ITEM_WALL;
$arr = array();
$arr['mid'] = $mid;
$arr['aid'] = $owner_aid;
$arr['uid'] = $owner_uid;
$arr['item_flags'] = $item_flags;
$arr['parent'] = $item['id'];
$arr['parent_mid'] = $item['mid'];
$arr['thr_parent'] = $item['mid'];
$arr['owner_xchan'] = $thread_owner['xchan_hash'];
$arr['author_xchan'] = $observer['xchan_hash'];
$ulink = '[zrl=' . $item_author['xchan_url'] . ']' . $item_author['xchan_name'] . '[/zrl]';
$alink = '[zrl=' . $observer['xchan_url'] . ']' . $observer['xchan_name'] . '[/zrl]';
$plink = '[zrl=' . $a->get_baseurl() . '/display/' . $item['mid'] . ']' . $post_type . '[/zrl]';
$arr['body'] = sprintf( $bodyverb, $alink, $ulink, $plink );
$arr['verb'] = $activity;
$arr['obj_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'];
$post = item_store($arr);
$post_id = $post['item_id'];
$arr['id'] = $post_id;
call_hooks('post_local_end', $arr);
proc_run('php',"include/notifier.php","like","$post_id");
killme();
}
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