463 lines
13 KiB
PHP
463 lines
13 KiB
PHP
<?php
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namespace Zotlabs\Module;
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require_once("include/bbcode.php");
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require_once('include/security.php');
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require_once('include/conversation.php');
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require_once('include/acl_selectors.php');
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require_once('include/items.php');
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class Display extends \Zotlabs\Web\Controller {
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function get($update = 0, $load = false) {
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$module_format = 'html';
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if(argc() > 1) {
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$module_format = substr(argv(1),strrpos(argv(1),'.') + 1);
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if(! in_array($module_format,['atom','zot','json']))
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$module_format = 'html';
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}
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$checkjs = new \Zotlabs\Web\CheckJS(1);
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if($load)
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$_SESSION['loadtime'] = datetime_convert();
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if(observer_prohibited()) {
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notice( t('Public access denied.') . EOL);
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return;
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}
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if(argc() > 1) {
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$item_hash = argv(1);
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if($module_format !== 'html') {
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$item_hash = substr($item_hash,0,strrpos($item_hash,'.'));
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}
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}
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if($_REQUEST['mid'])
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$item_hash = $_REQUEST['mid'];
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if(! $item_hash) {
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\App::$error = 404;
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notice( t('Item not found.') . EOL);
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return;
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}
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$observer_is_owner = false;
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$updateable = false;
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if(local_channel() && (! $update)) {
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$channel = \App::get_channel();
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$channel_acl = array(
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'allow_cid' => $channel['channel_allow_cid'],
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'allow_gid' => $channel['channel_allow_gid'],
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'deny_cid' => $channel['channel_deny_cid'],
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'deny_gid' => $channel['channel_deny_gid']
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);
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$x = array(
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'is_owner' => true,
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'allow_location' => ((intval(get_pconfig($channel['channel_id'],'system','use_browser_location'))) ? '1' : ''),
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'default_location' => $channel['channel_location'],
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'nickname' => $channel['channel_address'],
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'lockstate' => (($group || $cid || $channel['channel_allow_cid'] || $channel['channel_allow_gid'] || $channel['channel_deny_cid'] || $channel['channel_deny_gid']) ? 'lock' : 'unlock'),
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'acl' => populate_acl($channel_acl),
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'permissions' => $channel_acl,
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'bang' => '',
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'visitor' => true,
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'profile_uid' => local_channel(),
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'return_path' => 'channel/' . $channel['channel_address'],
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'expanded' => true,
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'editor_autocomplete' => true,
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'bbco_autocomplete' => 'bbcode',
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'bbcode' => true,
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'jotnets' => true
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);
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$o = '<div id="jot-popup">';
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$o .= status_editor($a,$x);
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$o .= '</div>';
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}
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// This page can be viewed by anybody so the query could be complicated
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// First we'll see if there is a copy of the item which is owned by us - if we're logged in locally.
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// If that fails (or we aren't logged in locally),
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// query an item in which the observer (if logged in remotely) has cid or gid rights
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// and if that fails, look for a copy of the post that has no privacy restrictions.
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// If we find the post, but we don't find a copy that we're allowed to look at, this fact needs to be reported.
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// find a copy of the item somewhere
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$target_item = null;
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if(strpos($item_hash,'b64.') === 0)
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$decoded = @base64url_decode(substr($item_hash,4));
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if($decoded)
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$item_hash = $decoded;
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$r = q("select id, uid, mid, parent_mid, thr_parent, verb, item_type, item_deleted, author_xchan, item_blocked from item where mid like '%s' limit 1",
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dbesc($item_hash . '%')
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);
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if($r) {
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$target_item = $r[0];
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}
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$x = q("select * from xchan where xchan_hash = '%s' limit 1",
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dbesc($target_item['author_xchan'])
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);
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if($x) {
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// not yet ready for prime time
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// \App::$poi = $x[0];
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}
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//if the item is to be moderated redirect to /moderate
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if($target_item['item_blocked'] == ITEM_MODERATED) {
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goaway(z_root() . '/moderate/' . $target_item['id']);
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}
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$r = null;
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if($target_item['item_type'] == ITEM_TYPE_WEBPAGE) {
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$x = q("select * from channel where channel_id = %d limit 1",
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intval($target_item['uid'])
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);
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$y = q("select * from iconfig left join item on iconfig.iid = item.id
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where item.uid = %d and iconfig.cat = 'system' and iconfig.k = 'WEBPAGE' and item.id = %d limit 1",
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intval($target_item['uid']),
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intval($target_item['parent'])
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);
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if($x && $y) {
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goaway(z_root() . '/page/' . $x[0]['channel_address'] . '/' . $y[0]['v']);
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}
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else {
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notice( t('Page not found.') . EOL);
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return '';
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}
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}
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if($target_item['item_type'] == ITEM_TYPE_ARTICLE) {
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$x = q("select * from channel where channel_id = %d limit 1",
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intval($target_item['uid'])
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);
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$y = q("select * from iconfig left join item on iconfig.iid = item.id
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where item.uid = %d and iconfig.cat = 'system' and iconfig.k = 'ARTICLE' and item.id = %d limit 1",
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intval($target_item['uid']),
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intval($target_item['parent'])
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);
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if($x && $y) {
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goaway(z_root() . '/articles/' . $x[0]['channel_address'] . '/' . $y[0]['v']);
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}
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else {
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notice( t('Page not found.') . EOL);
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return '';
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}
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}
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if($target_item['item_type'] == ITEM_TYPE_CARD) {
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$x = q("select * from channel where channel_id = %d limit 1",
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intval($target_item['uid'])
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);
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$y = q("select * from iconfig left join item on iconfig.iid = item.id
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where item.uid = %d and iconfig.cat = 'system' and iconfig.k = 'CARD' and item.id = %d limit 1",
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intval($target_item['uid']),
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intval($target_item['parent'])
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);
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if($x && $y) {
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goaway(z_root() . '/cards/' . $x[0]['channel_address'] . '/' . $y[0]['v']);
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}
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else {
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notice( t('Page not found.') . EOL);
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return '';
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}
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}
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$static = ((array_key_exists('static',$_REQUEST)) ? intval($_REQUEST['static']) : 0);
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$simple_update = (($update) ? " AND item_unseen = 1 " : '');
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if($update && $_SESSION['loadtime'])
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$simple_update = " AND (( item_unseen = 1 AND item.changed > '" . datetime_convert('UTC','UTC',$_SESSION['loadtime']) . "' ) OR item.changed > '" . datetime_convert('UTC','UTC',$_SESSION['loadtime']) . "' ) ";
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if($load)
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$simple_update = '';
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if($static && $simple_update)
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$simple_update .= " and item_thread_top = 0 and author_xchan = '" . protect_sprintf(get_observer_hash()) . "' ";
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if((! $update) && (! $load)) {
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$static = ((local_channel()) ? channel_manual_conv_update(local_channel()) : 1);
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// if the target item is not a post (eg a like) we want to address its thread parent
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$mid = ((($target_item['verb'] == ACTIVITY_LIKE) || ($target_item['verb'] == ACTIVITY_DISLIKE)) ? $target_item['thr_parent'] : $target_item['mid']);
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// if we got a decoded hash we must encode it again before handing to javascript
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if($decoded)
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$mid = 'b64.' . base64url_encode($mid);
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$o .= '<div id="live-display"></div>' . "\r\n";
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$o .= "<script> var profile_uid = " . ((intval(local_channel())) ? local_channel() : (-1))
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. "; var netargs = '?f='; var profile_page = " . \App::$pager['page'] . "; </script>\r\n";
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\App::$page['htmlhead'] .= replace_macros(get_markup_template("build_query.tpl"),array(
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'$baseurl' => z_root(),
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'$pgtype' => 'display',
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'$uid' => '0',
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'$gid' => '0',
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'$cid' => '0',
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'$cmin' => '0',
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'$cmax' => '99',
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'$star' => '0',
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'$liked' => '0',
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'$conv' => '0',
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'$spam' => '0',
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'$fh' => '0',
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'$nouveau' => '0',
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'$wall' => '0',
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'$static' => $static,
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'$page' => ((\App::$pager['page'] != 1) ? \App::$pager['page'] : 1),
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'$list' => ((x($_REQUEST,'list')) ? intval($_REQUEST['list']) : 0),
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'$search' => '',
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'$xchan' => '',
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'$order' => '',
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'$file' => '',
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'$cats' => '',
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'$tags' => '',
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'$dend' => '',
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'$dbegin' => '',
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'$verb' => '',
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'$net' => '',
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'$mid' => $mid
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));
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head_add_link([
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'rel' => 'alternate',
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'type' => 'application/json+oembed',
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'href' => z_root() . '/oep?f=&url=' . urlencode(z_root() . '/' . \App::$query_string),
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'title' => 'oembed'
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]);
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}
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$observer_hash = get_observer_hash();
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$item_normal = item_normal();
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$item_normal_update = item_normal_update();
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$sql_extra = public_permissions_sql($observer_hash);
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if(($update && $load) || ($checkjs->disabled()) || ($module_format !== 'html')) {
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$pager_sql = sprintf(" LIMIT %d OFFSET %d ", intval(\App::$pager['itemspage']),intval(\App::$pager['start']));
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if($load || ($checkjs->disabled()) || ($module_format !== 'html')) {
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$r = null;
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require_once('include/channel.php');
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$sys = get_sys_channel();
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$sysid = $sys['channel_id'];
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if(local_channel()) {
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$r = q("SELECT item.id as item_id from item
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WHERE uid = %d
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and mid = '%s'
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$item_normal
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limit 1",
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intval(local_channel()),
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dbesc($target_item['parent_mid'])
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);
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if($r) {
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$updateable = true;
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}
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}
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if(! $r) {
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// in case somebody turned off public access to sys channel content using permissions
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// make that content unsearchable by ensuring the owner uid can't match
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if(! perm_is_allowed($sysid,$observer_hash,'view_stream'))
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$sysid = 0;
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$r = q("SELECT item.id as item_id from item
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WHERE mid = '%s'
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AND (((( item.allow_cid = '' AND item.allow_gid = '' AND item.deny_cid = ''
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AND item.deny_gid = '' AND item_private = 0 )
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and uid in ( " . stream_perms_api_uids(($observer_hash) ? (PERMS_NETWORK|PERMS_PUBLIC) : PERMS_PUBLIC) . " ))
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OR uid = %d )
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$sql_extra )
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$item_normal
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limit 1",
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dbesc($target_item['parent_mid']),
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intval($sysid)
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);
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}
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}
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}
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elseif($update && !$load) {
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$r = null;
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require_once('include/channel.php');
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$sys = get_sys_channel();
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$sysid = $sys['channel_id'];
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if(local_channel()) {
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$r = q("SELECT item.parent AS item_id from item
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WHERE uid = %d
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and parent_mid = '%s'
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$item_normal_update
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$simple_update
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limit 1",
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intval(local_channel()),
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dbesc($target_item['parent_mid'])
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);
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if($r) {
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$updateable = true;
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}
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}
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if(! $r) {
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// in case somebody turned off public access to sys channel content using permissions
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// make that content unsearchable by ensuring the owner_xchan can't match
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if(! perm_is_allowed($sysid,$observer_hash,'view_stream'))
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$sysid = 0;
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$r = q("SELECT item.parent AS item_id from item
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WHERE parent_mid = '%s'
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AND (((( item.allow_cid = '' AND item.allow_gid = '' AND item.deny_cid = ''
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AND item.deny_gid = '' AND item_private = 0 )
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and uid in ( " . stream_perms_api_uids(($observer_hash) ? (PERMS_NETWORK|PERMS_PUBLIC) : PERMS_PUBLIC) . " ))
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OR uid = %d )
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$sql_extra )
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$item_normal_update
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$simple_update
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limit 1",
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dbesc($target_item['parent_mid']),
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intval($sysid)
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);
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}
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$_SESSION['loadtime'] = datetime_convert();
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}
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else {
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$r = array();
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}
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if($r) {
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$parents_str = ids_to_querystr($r,'item_id');
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if($parents_str) {
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$items = q("SELECT item.*, item.id AS item_id
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FROM item
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WHERE parent in ( %s ) $item_normal ",
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dbesc($parents_str)
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);
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xchan_query($items);
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$items = fetch_post_tags($items,true);
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$items = conv_sort($items,'created');
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}
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}
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else {
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$items = array();
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}
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switch($module_format) {
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case 'html':
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if ($checkjs->disabled()) {
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$o .= conversation($items, 'display', $update, 'traditional');
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if ($items[0]['title'])
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\App::$page['title'] = $items[0]['title'] . " - " . \App::$page['title'];
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}
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else {
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$o .= conversation($items, 'display', $update, 'client');
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}
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break;
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case 'atom':
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$atom = replace_macros(get_markup_template('atom_feed.tpl'), array(
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'$version' => xmlify(\Zotlabs\Lib\System::get_project_version()),
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'$generator' => xmlify(\Zotlabs\Lib\System::get_platform_name()),
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'$generator_uri' => 'https://hubzilla.org',
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'$feed_id' => xmlify(\App::$cmd),
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'$feed_title' => xmlify(t('Article')),
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'$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', 'now', ATOM_TIME)),
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'$author' => '',
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'$owner' => '',
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'$profile_page' => xmlify(z_root() . '/display/' . $target_item['mid']),
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));
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$x = [ 'xml' => $atom, 'channel' => $channel, 'observer_hash' => $observer_hash, 'params' => $params ];
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call_hooks('atom_feed_top',$x);
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$atom = $x['xml'];
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// a much simpler interface
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call_hooks('atom_feed', $atom);
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if($items) {
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$type = 'html';
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foreach($items as $item) {
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if($item['item_private'])
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continue;
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$atom .= atom_entry($item, $type, null, '', true, '', false);
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}
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}
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call_hooks('atom_feed_end', $atom);
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$atom .= '</feed>' . "\r\n";
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header('Content-type: application/atom+xml');
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echo $atom;
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killme();
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}
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if($updateable) {
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$x = q("UPDATE item SET item_unseen = 0 where item_unseen = 1 AND uid = %d and parent = %d ",
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intval(local_channel()),
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intval($r[0]['item_id'])
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);
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}
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$o .= '<div id="content-complete"></div>';
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if((($update && $load) || $checkjs->disabled()) && (! $items)) {
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$r = q("SELECT id, item_deleted FROM item WHERE mid = '%s' LIMIT 1",
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dbesc($item_hash)
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);
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if($r) {
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if(intval($r[0]['item_deleted'])) {
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notice( t('Item has been removed.') . EOL );
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}
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else {
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notice( t('Permission denied.') . EOL );
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}
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}
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else {
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notice( t('Item not found.') . EOL );
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}
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}
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return $o;
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}
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}
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