380 lines
9.8 KiB
PHP
Executable File
380 lines
9.8 KiB
PHP
Executable File
<?php
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require_once('include/security.php');
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require_once('include/bbcode.php');
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require_once('include/items.php');
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function like_content(&$a) {
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$observer = $a->get_observer();
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$verb = notags(trim($_GET['verb']));
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if(! $verb)
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$verb = 'like';
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switch($verb) {
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case 'like':
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case 'unlike':
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$activity = ACTIVITY_LIKE;
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break;
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case 'dislike':
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case 'undislike':
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$activity = ACTIVITY_DISLIKE;
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break;
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default:
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return;
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break;
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}
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$extended_like = false;
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$object = $target = null;
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$post_type = '';
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$objtype = '';
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if(argc() == 3) {
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if(! $observer)
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killme();
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$extended_like = true;
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$obj_type = argv(1);
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$obj_id = argv(2);
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$public = true;
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if($obj_type == 'profile') {
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$r = q("select * from profile where profile_guid = '%s' limit 1",
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dbesc(argv(2))
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);
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if(! $r)
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killme();
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$owner_uid = $r[0]['uid'];
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if($r[0]['is_default'])
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$public = true;
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if(! $public) {
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$d = q("select abook_xchan from abook where abook_profile = '%s' and abook_channel = %d",
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dbesc($r[0]['profile_guid']),
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intval($owner_uid)
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);
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if(! $d) {
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// forgery - illegal
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killme();
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}
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// $d now contains a list of those who can see this profile - only send the status notification
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// to them.
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$allow_cid = $allow_gid = $deny_cid = $deny_gid = '';
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foreach($d as $dd) {
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$allow_gid .= '<' . $dd['abook_xchan'] . '>';
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}
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}
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$post_type = t('channel');
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$objtype = ACTIVITY_OBJ_PROFILE;
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}
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elseif($obj_type == 'thing') {
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$r = q("select * from obj left join term on obj_obj = term_hash where term_hash != ''
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and obj_type = %d and term_hash = '%s' limit 1",
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intval(TERM_OBJ_THING),
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dbesc(argv(2))
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);
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if(! $r)
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killme();
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$owner_uid = $r[0]['obj_channel'];
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$allow_cid = $r[0]['allow_cid'];
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$allow_gid = $r[0]['allow_gid'];
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$deny_cid = $r[0]['deny_cid'];
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$deny_gid = $r[0]['deny_gid'];
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if($allow_cid || $allow_gid || $deny_cid || $deny_gid)
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$public = false;
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$post_type = t('thing');
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$objtype = ACTIVITY_OBJ_PROFILE;
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$tgttype = ACTIVITY_OBJ_THING;
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$links = array();
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$links[] = array('rel' => 'alternate', 'type' => 'text/html',
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'href' => z_root() . '/thing/' . $r[0]['term_hash']);
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if($r[0]['imgurl'])
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$links[] = array('rel' => 'photo', 'href' => $r[0]['imgurl']);
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$target = json_encode(array(
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'type' => $tgttype,
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'title' => $r[0]['term'],
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'id' => z_root() . '/thing/' . $r[0]['term_hash'],
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'link' => $links
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));
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$plink = '[zrl=' . z_root() . '/thing/' . $r[0]['term_hash'] . ']' . $r[0]['term'] . '[/zrl]';
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}
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if(! ($owner_uid && $r))
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killme();
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// The resultant activity is going to be a wall-to-wall post, so make sure this is allowed
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$perms = get_all_perms($owner_uid,$observer['xchan_hash']);
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if(! ($perms['post_wall'] && $perms['view_profile']))
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killme();
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$ch = q("select * from channel left join xchan on channel_hash = xchan_hash where channel_id = %d limit 1",
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intval($owner_uid)
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);
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if(! $ch)
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killme();
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if(! $plink)
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$plink = '[zrl=' . z_root() . '/profile/' . $ch[0]['channel_address'] . ']' . $post_type . '[/zrl]';
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$links = array();
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$links[] = array('rel' => 'alternate', 'type' => 'text/html',
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'href' => z_root() . '/profile/' . $ch[0]['channel_address']);
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$links[] = array('rel' => 'photo', 'type' => $ch[0]['xchan_photo_mimetype'],
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'href' => $ch[0]['xchan_photo_l']);
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$object = json_encode(array(
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'type' => ACTIVITY_OBJ_PROFILE,
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'title' => $ch[0]['channel_name'],
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'id' => $ch[0]['xchan_url'] . '/' . $ch[0]['xchan_hash'],
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'link' => $links
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));
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// second like of the same thing is "undo" for the first like
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$z = q("select * from likes where channel_id = %d and liker = '%s' and verb = '%s' and target_type = '%s' and target_id = '%s' limit 1",
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intval($ch[0]['channel_id']),
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dbesc($observer['xchan_hash']),
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dbesc($activity),
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dbesc(($tgttype)?$tgttype:$objtype),
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dbesc($obj_id)
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);
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if($z) {
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q("delete from likes where id = %d limit 1",
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intval($z[0]['id'])
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);
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drop_item($z[0]['iid'],false);
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killme();
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}
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}
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else {
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$item_id = ((argc() == 2) ? notags(trim(argv(1))) : 0);
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logger('like: verb ' . $verb . ' item ' . $item_id, LOGGER_DEBUG);
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$r = q("SELECT * FROM item WHERE id = %d and item_restrict = 0 LIMIT 1",
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dbesc($item_id)
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);
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if(! $item_id || (! $r)) {
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logger('like: no item ' . $item_id);
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killme();
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}
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$item = $r[0];
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$owner_uid = $item['uid'];
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$owner_aid = $item['aid'];
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$sys = get_sys_channel();
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// if this is a "discover" item, (item['uid'] is the sys channel),
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// fallback to the item comment policy, which should've been
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// respected when generating the conversation thread.
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// Even if the activity is rejected by the item owner, it should still get attached
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// to the local discover conversation on this site.
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if(($owner_uid != $sys['channel_id']) && (! perm_is_allowed($owner_uid,$observer['xchan_hash'],'post_comments'))) {
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notice( t('Permission denied') . EOL);
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killme();
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}
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$r = q("select * from xchan where xchan_hash = '%s' limit 1",
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dbesc($item['owner_xchan'])
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);
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if($r)
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$thread_owner = $r[0];
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else
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killme();
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$r = q("select * from xchan where xchan_hash = '%s' limit 1",
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dbesc($item['author_xchan'])
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);
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if($r)
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$item_author = $r[0];
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else
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killme();
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$r = q("SELECT * FROM item WHERE verb = '%s' AND item_restrict = 0
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AND author_xchan = '%s' AND ( parent = %d OR thr_parent = '%s') LIMIT 1",
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dbesc($activity),
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dbesc($observer['xchan_hash']),
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intval($item_id),
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dbesc($item['mid'])
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);
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if($r) {
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$like_item = $r[0];
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// Already liked/disliked it, delete it
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$r = q("UPDATE item SET item_restrict = ( item_restrict ^ %d ), changed = '%s' WHERE id = %d LIMIT 1",
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intval(ITEM_DELETED),
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dbesc(datetime_convert()),
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intval($like_item['id'])
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);
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proc_run('php',"include/notifier.php","like",$like_item['id']);
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return;
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}
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}
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$mid = item_message_id();
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if($extended_like) {
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$item_flags = ITEM_THREAD_TOP|ITEM_ORIGIN|ITEM_WALL;
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}
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else {
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$post_type = (($item['resource_type'] === 'photo') ? t('photo') : t('status'));
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$links = array(array('rel' => 'alternate','type' => 'text/html', 'href' => $item['plink']));
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$objtype = (($item['resource_type'] === 'photo') ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
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$body = $item['body'];
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$object = json_encode(array(
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'type' => $objtype,
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'id' => $item['mid'],
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'parent' => (($item['thr_parent']) ? $item['thr_parent'] : $item['parent_mid']),
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'link' => $links,
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'title' => $item['title'],
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'content' => $item['body'],
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'created' => $item['created'],
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'edited' => $item['edited'],
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'author' => array(
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'name' => $item_author['xchan_name'],
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'address' => $item_author['xchan_addr'],
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'guid' => $item_author['xchan_guid'],
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'guid_sig' => $item_author['xchan_guid_sig'],
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'link' => array(
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array('rel' => 'alternate', 'type' => 'text/html', 'href' => $item_author['xchan_url']),
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array('rel' => 'photo', 'type' => $item_author['xchan_photo_mimetype'], 'href' => $item_author['xchan_photo_m'])),
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),
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));
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if(! ($item['item_flags'] & ITEM_THREAD_TOP))
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$post_type = 'comment';
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$item_flags = ITEM_ORIGIN | ITEM_NOTSHOWN;
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if($item['item_flags'] & ITEM_WALL)
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$item_flags |= ITEM_WALL;
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}
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if($verb === 'like')
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$bodyverb = t('%1$s likes %2$s\'s %3$s');
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if($verb === 'dislike')
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$bodyverb = t('%1$s doesn\'t like %2$s\'s %3$s');
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if(! isset($bodyverb))
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killme();
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$arr = array();
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if($extended_like) {
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$ulink = '[zrl=' . $ch[0]['xchan_url'] . ']' . $ch[0]['xchan_name'] . '[/zrl]';
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$alink = '[zrl=' . $observer['xchan_url'] . ']' . $observer['xchan_name'] . '[/zrl]';
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$private = (($public) ? 0 : 1);
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}
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else {
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$arr['parent'] = $item['id'];
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$arr['thr_parent'] = $item['mid'];
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$ulink = '[zrl=' . $item_author['xchan_url'] . ']' . $item_author['xchan_name'] . '[/zrl]';
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$alink = '[zrl=' . $observer['xchan_url'] . ']' . $observer['xchan_name'] . '[/zrl]';
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$plink = '[zrl=' . $a->get_baseurl() . '/display/' . $item['mid'] . ']' . $post_type . '[/zrl]';
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$allow_cid = $item['allow_cid'];
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$allow_gid = $item['allow_gid'];
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$deny_cid = $item['deny_cid'];
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$deny_gid = $item['deny_gid'];
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$private = $item['private'];
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}
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$arr['mid'] = $mid;
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$arr['aid'] = (($extended_like) ? $ch[0]['channel_account_id'] : $owner_aid);
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$arr['uid'] = $owner_uid;
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$arr['item_flags'] = $item_flags;
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$arr['parent_mid'] = (($extended_like) ? $mid : $item['mid']);
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$arr['owner_xchan'] = (($extended_like) ? $ch[0]['xchan_hash'] : $thread_owner['xchan_hash']);
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$arr['author_xchan'] = $observer['xchan_hash'];
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$arr['body'] = sprintf( $bodyverb, $alink, $ulink, $plink );
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if($obj_type === 'thing' && $r[0]['imgurl']) {
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$arr['body'] .= "\n\n[zmg=80x80]" . $r[0]['imgurl'] . '[/zmg]';
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}
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$arr['verb'] = $activity;
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$arr['obj_type'] = $objtype;
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$arr['object'] = $object;
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if($target) {
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$arr['tgt_type'] = $tgttype;
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$arr['target'] = $target;
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}
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$arr['allow_cid'] = $allow_cid;
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$arr['allow_gid'] = $allow_gid;
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$arr['deny_cid'] = $deny_cid;
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$arr['deny_gid'] = $deny_gid;
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$arr['item_private'] = $private;
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$post = item_store($arr);
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$post_id = $post['item_id'];
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$arr['id'] = $post_id;
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call_hooks('post_local_end', $arr);
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if($extended_like) {
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$r = q("insert into likes (channel_id,liker,likee,iid,verb,target_type,target_id,target) values (%d,'%s','%s',%d,'%s','%s','%s','%s')",
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intval($ch[0]['channel_id']),
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dbesc($observer['xchan_hash']),
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dbesc($ch[0]['channel_hash']),
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intval($post_id),
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dbesc($activity),
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dbesc(($tgttype)?$tgttype:$objtype),
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dbesc($obj_id),
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dbesc(json_encode(($target)?$target:$object))
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);
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};
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proc_run('php',"include/notifier.php","like","$post_id");
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killme();
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}
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