<?php
namespace Zotlabs\Module;
use Zotlabs\Lib\Group;
use Zotlabs\Lib\Apps;
use App;
require_once('include/items.php');
require_once('include/group.php');
require_once('include/contact_widgets.php');
require_once('include/conversation.php');
require_once('include/acl_selectors.php');
class Network extends \Zotlabs\Web\Controller {
function init() {
if(! local_channel()) {
notice( t('Permission denied.') . EOL);
return;
}
$search = $_GET['search'] ?? '';
if(in_array(substr($search, 0, 1),[ '@', '!', '?']) || strpos($search, 'https://') === 0)
goaway(z_root() . '/search?f=&search=' . $search);
if(count($_GET) < 2) {
$network_options = get_pconfig(local_channel(),'system','network_page_default');
if($network_options)
goaway(z_root() . '/network?f=&' . $network_options);
}
$channel = App::get_channel();
App::$profile_uid = local_channel();
head_set_icon($channel['xchan_photo_s']);
}
function get($update = 0, $load = false) {
if(! local_channel()) {
$_SESSION['return_url'] = App::$query_string;
return login(false);
}
$o = '';
$arr = array('query' => App::$query_string);
call_hooks('network_content_init', $arr);
$channel = App::get_channel();
$item_normal = item_normal();
$item_normal_update = item_normal_update();
$datequery = $datequery2 = '';
$group = 0;
$nouveau = false;
$datequery = ((x($_GET,'dend') && is_a_date_arg($_GET['dend'])) ? notags($_GET['dend']) : '');
$datequery2 = ((x($_GET,'dbegin') && is_a_date_arg($_GET['dbegin'])) ? notags($_GET['dbegin']) : '');
$gid = ((x($_GET,'gid')) ? intval($_GET['gid']) : 0);
$category = ((x($_REQUEST,'cat')) ? $_REQUEST['cat'] : '');
$hashtags = ((x($_REQUEST,'tag')) ? $_REQUEST['tag'] : '');
$verb = ((x($_REQUEST,'verb')) ? $_REQUEST['verb'] : '');
$dm = ((x($_REQUEST,'dm')) ? $_REQUEST['dm'] : 0);
$order = get_pconfig(local_channel(), 'mod_network', 'order', 0);
switch($order) {
case 0:
$order = 'comment';
break;
case 1:
$order = 'post';
break;
case 2:
$nouveau = true;
break;
}
$search = $_GET['search'] ?? '';
if($search) {
if(strpos($search,'#') === 0) {
$hashtags = substr($search,1);
$search = '';
}
}
if($datequery)
$order = 'post';
// filter by collection (e.g. group)
if($gid) {
$r = q("SELECT * FROM pgrp WHERE id = %d AND uid = %d LIMIT 1",
intval($gid),
intval(local_channel())
);
if(! $r) {
if($update)
killme();
notice( t('No such group') . EOL );
goaway(z_root() . '/network');
// NOTREACHED
}
$group = $gid;
$group_hash = $r[0]['hash'];
$def_acl = array('allow_gid' => '<' . $r[0]['hash'] . '>');
}
$default_cmin = ((Apps::system_app_installed(local_channel(),'Affinity Tool')) ? get_pconfig(local_channel(),'affinity','cmin',0) : (-1));
$default_cmax = ((Apps::system_app_installed(local_channel(),'Affinity Tool')) ? get_pconfig(local_channel(),'affinity','cmax',99) : (-1));
$cid = ((x($_GET,'cid')) ? intval($_GET['cid']) : 0);
$star = ((x($_GET,'star')) ? intval($_GET['star']) : 0);
$liked = ((x($_GET,'liked')) ? intval($_GET['liked']) : 0);
$conv = ((x($_GET,'conv')) ? intval($_GET['conv']) : 0);
$spam = ((x($_GET,'spam')) ? intval($_GET['spam']) : 0);
$cmin = ((array_key_exists('cmin',$_GET)) ? intval($_GET['cmin']) : $default_cmin);
$cmax = ((array_key_exists('cmax',$_GET)) ? intval($_GET['cmax']) : $default_cmax);
$file = ((x($_GET,'file')) ? $_GET['file'] : '');
$xchan = ((x($_GET,'xchan')) ? $_GET['xchan'] : '');
$net = ((x($_GET,'net')) ? $_GET['net'] : '');
$pf = ((x($_GET,'pf')) ? $_GET['pf'] : '');
$unseen = ((x($_GET,'unseen')) ? $_GET['unseen'] : '');
if (Apps::system_app_installed(local_channel(),'Affinity Tool')) {
$affinity_locked = intval(get_pconfig(local_channel(),'affinity','lock',1));
if ($affinity_locked) {
set_pconfig(local_channel(),'affinity','cmin',$cmin);
set_pconfig(local_channel(),'affinity','cmax',$cmax);
}
}
if(x($_GET,'search') || $file || (!$pf && $cid) || $hashtags || $verb || $category || $conv || $unseen)
$nouveau = true;
$cid_r = [];
if($cid) {
$cid_r = q("SELECT abook.abook_xchan, xchan.xchan_addr, xchan.xchan_name, xchan.xchan_url, xchan.xchan_photo_s, xchan.xchan_pubforum from abook left join xchan on abook_xchan = xchan_hash where abook_id = %d and abook_channel = %d and abook_blocked = 0 limit 1",
intval($cid),
intval(local_channel())
);
if(! $cid_r) {
if($update) {
killme();
}
notice( t('No such channel') . EOL );
goaway(z_root() . '/network');
// NOTREACHED
}
$def_acl = [ 'allow_cid' => '<' . $cid_r[0]['abook_xchan'] . '>', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '' ];
}
if(! $update) {
// search terms header
if($search || $hashtags) {
$o .= replace_macros(get_markup_template("section_title.tpl"),array(
'$title' => t('Search Results For:') . ' ' . (($search) ? htmlspecialchars($search, ENT_COMPAT,'UTF-8') : '#' . htmlspecialchars($hashtags, ENT_COMPAT,'UTF-8'))
));
}
nav_set_selected('Network');
$bang = '!';
if($cid_r) {
$forums = get_forum_channels($channel['channel_id']);
if($forums) {
$forum_xchans = ids_to_array($forums, 'xchan_hash');
if(in_array($cid_r[0]['abook_xchan'], $forum_xchans))
$bang = $cid_r[0]['abook_xchan'];
}
}
$channel_acl = array(
'allow_cid' => $channel['channel_allow_cid'],
'allow_gid' => $channel['channel_allow_gid'],
'deny_cid' => $channel['channel_deny_cid'],
'deny_gid' => $channel['channel_deny_gid']
);
$private_editing = (($group || $cid) ? true : false);
$x = array(
'is_owner' => true,
'allow_location' => ((intval(get_pconfig($channel['channel_id'],'system','use_browser_location'))) ? '1' : ''),
'default_location' => $channel['channel_location'],
'nickname' => $channel['channel_address'],
'lockstate' => (($private_editing || $channel['channel_allow_cid'] || $channel['channel_allow_gid'] || $channel['channel_deny_cid'] || $channel['channel_deny_gid']) ? 'lock' : 'unlock'),
'acl' => populate_acl((($private_editing) ? $def_acl : $channel_acl), true, \Zotlabs\Lib\PermissionDescription::fromGlobalPermission('view_stream'), get_post_aclDialogDescription(), 'acl_dialog_post'),
'permissions' => (($private_editing) ? $def_acl : $channel_acl),
'bang' => (($private_editing) ? $bang : ''),
'visitor' => true,
'profile_uid' => local_channel(),
'editor_autocomplete' => true,
'bbco_autocomplete' => 'bbcode',
'bbcode' => true,
'jotnets' => true,
'reset' => t('Reset form')
);
$status_editor = status_editor($a,$x,false,'Network');
$o .= $status_editor;
}
// We don't have to deal with ACL's on this page. You're looking at everything
// that belongs to you, hence you can see all of it. We will filter by group if
// desired.
$sql_options = (($star)
? " and item_starred = 1 "
: '');
$sql_nets = '';
$item_thread_top = ' AND item_thread_top = 1 ';
$sql_extra = '';
if($group) {
$contact_str = '';
$contacts = group_get_members($group);
if($contacts) {
$contact_str = ids_to_querystr($contacts,'xchan',true);
}
else {
$contact_str = " '0' ";
if(! $update) {
info( t('Privacy group is empty'));
}
}
$item_thread_top = '';
$sql_extra = " AND item.parent IN ( SELECT DISTINCT parent FROM item WHERE true $sql_options AND (( author_xchan IN ( $contact_str ) OR owner_xchan in ( $contact_str )) or allow_gid like '" . protect_sprintf('%<' . dbesc($group_hash) . '>%') . "' ) and id = parent $item_normal ) ";
$x = group_rec_byhash(local_channel(), $group_hash);
if($x) {
$title = replace_macros(get_markup_template("section_title.tpl"),array(
'$title' => t('Privacy group: ') . $x['gname']
));
}
$o = $title;
$o .= $status_editor;
}
elseif($cid_r) {
$item_thread_top = '';
if($load || $update) {
if(!$pf && $nouveau) {
// This is for nouveau view cid queries (not a public forum)
$sql_extra = " AND author_xchan = '" . dbesc($cid_r[0]['abook_xchan']) . "' ";
}
elseif($pf && $unseen && $nouveau) {
$vnotify = get_pconfig(local_channel(), 'system', 'vnotify');
if(! ($vnotify & VNOTIFY_LIKE))
$likes_sql = " AND verb NOT IN ('" . dbesc(ACTIVITY_LIKE) . "', '" . dbesc(ACTIVITY_DISLIKE) . "') ";
// This is for nouveau view public forum cid queries (if a forum notification is clicked)
$p = q("SELECT oid AS parent FROM term WHERE uid = %d AND ttype = %d AND term = '%s'",
intval(local_channel()),
intval(TERM_FORUM),
dbesc($cid_r[0]['xchan_name'])
);
$p_str = ids_to_querystr($p, 'parent');
if($p_str)
$p_sql = " OR item.parent IN ( $p_str ) ";
$sql_extra = " AND ( owner_xchan = '" . protect_sprintf(dbesc($cid_r[0]['abook_xchan'])) . "' OR owner_xchan = '" . protect_sprintf(dbesc($cid_r[0]['abook_xchan'])) . "' $p_sql ) AND item_unseen = 1 $likes_sql ";
}
else {
// This is for threaded view cid queries (e.g. if a forum is selected from the forum filter)
$ttype = (($pf) ? TERM_FORUM : TERM_MENTION);
$p1 = q("SELECT DISTINCT parent FROM item WHERE uid = " . intval(local_channel()) . " AND ( author_xchan = '" . dbesc($cid_r[0]['abook_xchan']) . "' OR owner_xchan = '" . dbesc($cid_r[0]['abook_xchan']) . "' ) $item_normal ");
$p2 = q("SELECT oid AS parent FROM term WHERE uid = " . intval(local_channel()) . " AND ttype = $ttype AND term = '" . dbesc($cid_r[0]['xchan_name']) . "'");
$p_str = ids_to_querystr(array_merge($p1,$p2),'parent');
if(! $p_str)
killme();
$sql_extra = " AND item.parent IN ( $p_str ) ";
}
}
$title = replace_macros(get_markup_template("section_title.tpl"),array(
'$title' => '<a href="' . zid($cid_r[0]['xchan_url']) . '" ><img src="' . zid($cid_r[0]['xchan_photo_s']) . '" alt="' . urlencode($cid_r[0]['xchan_name']) . '" /></a> <a href="' . zid($cid_r[0]['xchan_url']) . '" >' . $cid_r[0]['xchan_name'] . '</a>'
));
$o = $title;
$o .= $status_editor;
}
elseif($xchan) {
$r = q("select * from xchan where xchan_hash = '%s'",
dbesc($xchan)
);
if($r) {
$item_thread_top = '';
$sql_extra = " AND item.parent IN ( SELECT DISTINCT parent FROM item WHERE true $sql_options AND uid = " . intval(local_channel()) . " AND ( author_xchan = '" . dbesc($xchan) . "' or owner_xchan = '" . dbesc($xchan) . "' ) $item_normal ) ";
$title = replace_macros(get_markup_template("section_title.tpl"),array(
'$title' => '<a href="' . zid($r[0]['xchan_url']) . '" ><img src="' . zid($r[0]['xchan_photo_s']) . '" alt="' . urlencode($r[0]['xchan_name']) . '" /></a> <a href="' . zid($r[0]['xchan_url']) . '" >' . $r[0]['xchan_name'] . '</a>'
));
$o = $title;
$o .= $status_editor;
}
else {
notice( t('Invalid channel.') . EOL);
goaway(z_root() . '/network');
}
}
if(x($category)) {
$sql_extra .= protect_sprintf(term_query('item', $category, TERM_CATEGORY));
}
if(x($hashtags)) {
$sql_extra .= protect_sprintf(term_query('item', $hashtags, TERM_HASHTAG, TERM_COMMUNITYTAG));
}
$sql_extra3 = '';
if($datequery) {
$sql_extra3 .= protect_sprintf(sprintf(" AND item.created <= '%s' ", dbesc(datetime_convert(date_default_timezone_get(),'',$datequery))));
}
if($datequery2) {
$sql_extra3 .= protect_sprintf(sprintf(" AND item.created >= '%s' ", dbesc(datetime_convert(date_default_timezone_get(),'',$datequery2))));
}
$sql_extra2 = (($nouveau) ? '' : " AND item.parent = item.id ");
$sql_extra3 = (($nouveau) ? '' : $sql_extra3);
if(x($_GET,'search')) {
$search = escape_tags($_GET['search']);
if(strpos($search,'#') === 0) {
$sql_extra .= term_query('item',substr($search,1),TERM_HASHTAG,TERM_COMMUNITYTAG);
}
else {
$sql_extra .= sprintf(" AND (item.body like '%s' OR item.title like '%s') ",
dbesc(protect_sprintf('%' . $search . '%')),
dbesc(protect_sprintf('%' . $search . '%'))
);
}
}
if ($verb) {
// the presence of a leading dot in the verb determines
// whether to match the type of activity or the child object.
// The name 'verb' is a holdover from the earlier XML
// ActivityStreams specification.
if (substr($verb,0,1) === '.') {
$verb = substr($verb,1);
$sql_extra .= sprintf(" AND item.obj_type like '%s' ",
dbesc(protect_sprintf('%' . $verb . '%'))
);
}
else {
$sql_extra .= sprintf(" AND item.verb like '%s' ",
dbesc(protect_sprintf('%' . $verb . '%'))
);
}
}
if(strlen($file)) {
$sql_extra .= term_query('item',$file,TERM_FILE);
}
if ($dm) {
$sql_extra .= " AND item_private = 2 ";
}
if($conv) {
$item_thread_top = '';
$sql_extra .= " AND ( author_xchan = '" . dbesc($channel['channel_hash']) . "' OR item_mentionsme = 1 ) ";
}
if($update && ! $load) {
// only setup pagination on initial page view
$pager_sql = '';
}
else {
$itemspage = get_pconfig(local_channel(),'system','itemspage');
App::set_pager_itemspage(((intval($itemspage)) ? $itemspage : 10));
$pager_sql = sprintf(" LIMIT %d OFFSET %d ", intval(App::$pager['itemspage']), intval(App::$pager['start']));
}
// cmin and cmax are both -1 when the affinity tool is disabled
if(($cmin != (-1)) || ($cmax != (-1))) {
// Not everybody who shows up in the network stream will be in your address book.
// By default those that aren't are assumed to have closeness = 99; but this isn't
// recorded anywhere. So if cmax is 99, we'll open the search up to anybody in
// the stream with a NULL address book entry.
$sql_nets .= " AND ";
if($cmax == 99)
$sql_nets .= " ( ";
$sql_nets .= "( abook.abook_closeness >= " . intval($cmin) . " ";
$sql_nets .= " AND abook.abook_closeness <= " . intval($cmax) . " ) ";
if($cmax == 99)
$sql_nets .= " OR abook.abook_closeness IS NULL ) ";
}
$net_query = (($net) ? " left join xchan on xchan_hash = author_xchan " : '');
$net_query2 = (($net) ? " and xchan_network = '" . protect_sprintf(dbesc($net)) . "' " : '');
$abook_uids = " and abook.abook_channel = " . local_channel() . " ";
$uids = " and item.uid = " . local_channel() . " ";
if(feature_enabled(local_channel(), 'network_list_mode'))
$page_mode = 'list';
else
$page_mode = 'client';
$parents_str = '';
// This fixes a very subtle bug so I'd better explain it. You wake up in the morning or return after a day
// or three and look at your matrix page - after opening up your browser. The first page loads just as it
// should. All of a sudden a few seconds later, page 2 will get inserted at the beginning of the page
// (before the page 1 content). The update code is actually doing just what it's supposed
// to, it's fetching posts that have the ITEM_UNSEEN bit set. But the reason that page 2 content is being
// returned in an UPDATE is because you hadn't gotten that far yet - you're still on page 1 and everything
// that we loaded for page 1 is now marked as seen. But the stuff on page 2 hasn't been. So... it's being
// treated as "new fresh" content because it is unseen. We need to distinguish it somehow from content
// which "arrived as you were reading page 1". We're going to do this
// by storing in your session the current UTC time whenever you LOAD a network page, and only UPDATE items
// which are both ITEM_UNSEEN and have "changed" since that time. Cross fingers...
$simple_update = '';
if($update && $_SESSION['loadtime'])
$simple_update = " AND (( item_unseen = 1 AND item.changed > '" . datetime_convert('UTC','UTC',$_SESSION['loadtime']) . "' ) OR item.changed > '" . datetime_convert('UTC','UTC',$_SESSION['loadtime']) . "' ) ";
if($nouveau && $load) {
// "New Item View" - show all items unthreaded in reverse created date order
$items = q("SELECT item.*, item.id AS item_id, created FROM item
left join abook on ( item.owner_xchan = abook.abook_xchan $abook_uids )
$net_query
WHERE true $uids $item_normal
and (abook.abook_blocked = 0 or abook.abook_flags is null)
$sql_extra $sql_options $sql_nets
$net_query2
ORDER BY item.created DESC $pager_sql "
);
$parents_str = ids_to_querystr($items,'item_id');
require_once('include/items.php');
xchan_query($items);
$items = fetch_post_tags($items,true);
}
elseif($update) {
// Normal conversation view
if($order === 'post')
$ordering = "created";
else
$ordering = "commented";
if($load) {
// Fetch a page full of parent items for this page
$r = q("SELECT item.parent AS item_id FROM item
left join abook on ( item.owner_xchan = abook.abook_xchan $abook_uids )
$net_query
WHERE true $uids $item_thread_top $item_normal
AND item.mid = item.parent_mid
and (abook.abook_blocked = 0 or abook.abook_flags is null)
$sql_extra3 $sql_extra $sql_options $sql_nets
$net_query2
ORDER BY $ordering DESC $pager_sql "
);
}
else {
// this is an update
$r = q("SELECT item.parent AS item_id FROM item
left join abook on ( item.owner_xchan = abook.abook_xchan $abook_uids )
$net_query
WHERE true $uids $item_normal_update $simple_update
and (abook.abook_blocked = 0 or abook.abook_flags is null)
$sql_extra3 $sql_extra $sql_options $sql_nets $net_query2"
);
}
// Then fetch all the children of the parents that are on this page
if($r) {
$parents_str = ids_to_querystr($r,'item_id');
$items = q("SELECT item.*, item.id AS item_id FROM item
WHERE true $uids $item_normal
AND item.parent IN ( %s )
$sql_extra ",
dbesc($parents_str)
);
xchan_query($items,true);
$items = fetch_post_tags($items,true);
$items = conv_sort($items,$ordering);
}
else {
$items = array();
}
}
$mode = (($nouveau) ? 'network-new' : 'network');
if($search)
$mode = 'search';
if(! $update) {
// The special div is needed for liveUpdate to kick in for this page.
// We only launch liveUpdate if you aren't filtering in some incompatible
// way and also you aren't writing a comment (discovered in javascript).
$maxheight = get_pconfig(local_channel(),'system','network_divmore_height');
if(! $maxheight)
$maxheight = 400;
$o .= '<div id="live-network"></div>' . "\r\n";
$o .= "<script> var profile_uid = " . local_channel()
. "; var profile_page = " . App::$pager['page']
. "; divmore_height = " . intval($maxheight) . "; </script>\r\n";
App::$page['htmlhead'] .= replace_macros(get_markup_template("build_query.tpl"),array(
'$baseurl' => z_root(),
'$pgtype' => 'network',
'$uid' => ((local_channel()) ? local_channel() : '0'),
'$gid' => (($gid) ? $gid : '0'),
'$cid' => (($cid) ? $cid : '0'),
'$cmin' => (($cmin) ? $cmin : '(-1)'),
'$cmax' => (($cmax) ? $cmax : '(-1)'),
'$star' => (($star) ? $star : '0'),
'$liked' => (($liked) ? $liked : '0'),
'$conv' => (($conv) ? $conv : '0'),
'$spam' => (($spam) ? $spam : '0'),
'$fh' => '0',
'$dm' => (($dm) ? $dm : '0'),
'$nouveau' => (($nouveau) ? $nouveau : '0'),
'$wall' => '0',
'$list' => ((x($_REQUEST,'list')) ? intval($_REQUEST['list']) : 0),
'$page' => ((App::$pager['page'] != 1) ? App::$pager['page'] : 1),
'$search' => (($search) ? urlencode($search) : ''),
'$xchan' => (($xchan) ? urlencode($xchan) : ''),
'$order' => $order,
'$file' => (($file) ? urlencode($file) : ''),
'$cats' => (($category) ? urlencode($category) : ''),
'$tags' => (($hashtags) ? urlencode($hashtags) : ''),
'$dend' => $datequery,
'$mid' => '',
'$verb' => (($verb) ? urlencode($verb) : ''),
'$net' => (($net) ? urlencode($net) : ''),
'$dbegin' => $datequery2,
'$pf' => (($pf) ? intval($pf) : 0),
'$unseen' => (($unseen) ? urlencode($unseen) : ''),
'$page_mode' => $page_mode
));
}
$o .= conversation($items,$mode,$update,$page_mode);
if(($items) && (! $update))
$o .= alt_pager(count($items));
$_SESSION['loadtime'] = datetime_convert();
return $o;
}
}