489 lines
15 KiB
PHP
489 lines
15 KiB
PHP
<?php
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namespace Zotlabs\Module;
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use App;
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use Zotlabs\Web\Controller;
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use Zotlabs\Lib\PermissionDescription;
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use Zotlabs\Zot6\HTTPSig;
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use Zotlabs\Lib\Libzot;
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require_once('include/items.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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/**
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* @brief Channel Controller
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*
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*/
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class Channel extends Controller {
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function init() {
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if(in_array(substr($_GET['search'],0,1),[ '@', '!', '?']))
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goaway('search' . '?f=&search=' . $_GET['search']);
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$which = null;
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if(argc() > 1)
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$which = argv(1);
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if(! $which) {
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if(local_channel()) {
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$channel = App::get_channel();
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if($channel && $channel['channel_address'])
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$which = $channel['channel_address'];
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}
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}
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if(! $which) {
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notice( t('You must be logged in to see this page.') . EOL );
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return;
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}
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$profile = 0;
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$channel = App::get_channel();
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if((local_channel()) && (argc() > 2) && (argv(2) === 'view')) {
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$which = $channel['channel_address'];
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$profile = argv(1);
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}
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$channel = channelx_by_nick($which);
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if(! $channel) {
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http_status_exit(404, 'Not found');
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}
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// handle zot6 channel discovery
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if(Libzot::is_zot_request()) {
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$sigdata = HTTPSig::verify(file_get_contents('php://input'));
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if($sigdata && $sigdata['signer'] && $sigdata['header_valid']) {
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$data = json_encode(Libzot::zotinfo([ 'address' => $channel['channel_address'], 'target_url' => $sigdata['signer'] ]));
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$s = q("select site_crypto, hubloc_sitekey from site left join hubloc on hubloc_url = site_url where hubloc_id_url = '%s' and hubloc_network = 'zot6' limit 1",
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dbesc($sigdata['signer'])
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);
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if($s) {
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$data = json_encode(crypto_encapsulate($data,$s[0]['hubloc_sitekey'],Libzot::best_algorithm($s[0]['site_crypto'])));
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}
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}
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else {
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$data = json_encode(Libzot::zotinfo([ 'address' => $channel['channel_address'] ]));
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}
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$headers = [
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'Content-Type' => 'application/x-zot+json',
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'Digest' => HTTPSig::generate_digest_header($data),
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'(request-target)' => strtolower($_SERVER['REQUEST_METHOD']) . ' ' . $_SERVER['REQUEST_URI']
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];
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$h = HTTPSig::create_sig($headers,$channel['channel_prvkey'],channel_url($channel));
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HTTPSig::set_headers($h);
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echo $data;
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killme();
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}
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if((local_channel()) && (argc() > 2) && (argv(2) === 'view')) {
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$which = $channel['channel_address'];
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$profile = argv(1);
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}
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head_add_link( [
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'rel' => 'alternate',
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'type' => 'application/atom+xml',
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'title' => t('Posts and comments'),
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'href' => z_root() . '/feed/' . $which
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]);
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head_add_link( [
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'rel' => 'alternate',
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'type' => 'application/atom+xml',
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'title' => t('Only posts'),
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'href' => z_root() . '/feed/' . $which . '?f=&top=1'
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]);
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// Run profile_load() here to make sure the theme is set before
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// we start loading content
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profile_load($which,$profile);
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}
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function get($update = 0, $load = false) {
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$noscript_content = get_config('system', 'noscript_content', '1');
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if($load)
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$_SESSION['loadtime'] = datetime_convert();
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$category = $datequery = $datequery2 = '';
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$mid = ((x($_REQUEST,'mid')) ? $_REQUEST['mid'] : '');
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if(strpos($mid,'b64.') === 0)
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$decoded = @base64url_decode(substr($mid,4));
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if($decoded)
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$mid = $decoded;
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$datequery = ((x($_GET,'dend') && is_a_date_arg($_GET['dend'])) ? notags($_GET['dend']) : '');
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$datequery2 = ((x($_GET,'dbegin') && is_a_date_arg($_GET['dbegin'])) ? notags($_GET['dbegin']) : '');
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if(observer_prohibited(true)) {
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return login();
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}
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$category = ((x($_REQUEST,'cat')) ? $_REQUEST['cat'] : '');
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$hashtags = ((x($_REQUEST,'tag')) ? $_REQUEST['tag'] : '');
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$order = ((x($_GET,'order')) ? notags($_GET['order']) : 'post');
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$static = ((array_key_exists('static',$_REQUEST)) ? intval($_REQUEST['static']) : 0);
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$search = ((x($_GET,'search')) ? $_GET['search'] : EMPTY_STR);
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$groups = array();
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$o = '';
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if($update) {
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// Ensure we've got a profile owner if updating.
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App::$profile['profile_uid'] = App::$profile_uid = $update;
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}
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$is_owner = (((local_channel()) && (App::$profile['profile_uid'] == local_channel())) ? true : false);
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$channel = App::get_channel();
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$observer = App::get_observer();
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$ob_hash = (($observer) ? $observer['xchan_hash'] : '');
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$perms = get_all_perms(App::$profile['profile_uid'],$ob_hash);
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if(! $perms['view_stream']) {
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// We may want to make the target of this redirect configurable
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if($perms['view_profile']) {
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notice( t('Insufficient permissions. Request redirected to profile page.') . EOL);
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goaway (z_root() . "/profile/" . App::$profile['channel_address']);
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}
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notice( t('Permission denied.') . EOL);
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return;
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}
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if(! $update) {
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nav_set_selected('Channel Home');
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$static = channel_manual_conv_update(App::$profile['profile_uid']);
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// search terms header
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if($search) {
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$o .= replace_macros(get_markup_template("section_title.tpl"),array(
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'$title' => t('Search Results For:') . ' ' . htmlspecialchars($search, ENT_COMPAT,'UTF-8')
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));
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}
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if($channel && $is_owner) {
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$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' => $channel['channel_deny_gid']
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);
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}
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else {
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$channel_acl = [ 'allow_cid' => '', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '' ];
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}
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if($perms['post_wall']) {
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$x = array(
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'is_owner' => $is_owner,
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'allow_location' => ((($is_owner || $observer) && (intval(get_pconfig(App::$profile['profile_uid'],'system','use_browser_location')))) ? true : false),
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'default_location' => (($is_owner) ? App::$profile['channel_location'] : ''),
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'nickname' => App::$profile['channel_address'],
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'lockstate' => (((strlen(App::$profile['channel_allow_cid'])) || (strlen(App::$profile['channel_allow_gid'])) || (strlen(App::$profile['channel_deny_cid'])) || (strlen(App::$profile['channel_deny_gid']))) ? 'lock' : 'unlock'),
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'acl' => (($is_owner) ? populate_acl($channel_acl,true, PermissionDescription::fromGlobalPermission('view_stream'), get_post_aclDialogDescription(), 'acl_dialog_post') : ''),
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'permissions' => $channel_acl,
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'showacl' => (($is_owner) ? 'yes' : ''),
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'bang' => '',
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'visitor' => (($is_owner || $observer) ? true : false),
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'profile_uid' => App::$profile['profile_uid'],
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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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'reset' => t('Reset form')
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);
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$o .= status_editor($a,$x,false,'Channel');
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}
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}
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/**
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* Get permissions SQL - if $remote_contact is true, our remote user has been pre-verified and we already have fetched his/her groups
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*/
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$item_normal = item_normal();
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$item_normal_update = item_normal_update();
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$sql_extra = item_permissions_sql(App::$profile['profile_uid']);
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if(feature_enabled(App::$profile['profile_uid'], 'channel_list_mode') && (! $mid))
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$page_mode = 'list';
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else
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$page_mode = 'client';
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$abook_uids = " and abook.abook_channel = " . intval(App::$profile['profile_uid']) . " ";
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$simple_update = (($update) ? " AND item_unseen = 1 " : '');
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if($search) {
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$search = escape_tags($search);
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if(strpos($search,'#') === 0) {
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$sql_extra .= term_query('item',substr($search,1),TERM_HASHTAG,TERM_COMMUNITYTAG);
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}
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else {
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$sql_extra .= sprintf(" AND (item.body like '%s' OR item.title like '%s') ",
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dbesc(protect_sprintf('%' . $search . '%')),
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dbesc(protect_sprintf('%' . $search . '%'))
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);
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}
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}
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head_add_link([
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'rel' => 'alternate',
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'type' => 'application/json+oembed',
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'href' => z_root() . '/oep?f=&url=' . urlencode(z_root() . '/' . App::$query_string),
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'title' => 'oembed'
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]);
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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 author_xchan = '" . protect_sprintf(get_observer_hash()) . "' ";
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if(($update) && (! $load)) {
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if($mid) {
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$r = q("SELECT parent AS item_id from item where mid like '%s' and uid = %d $item_normal_update
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AND item_wall = 1 $simple_update $sql_extra limit 1",
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dbesc($mid . '%'),
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intval(App::$profile['profile_uid'])
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);
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$_SESSION['loadtime'] = datetime_convert();
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}
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else {
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$r = q("SELECT parent AS item_id from item
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left join abook on ( item.owner_xchan = abook.abook_xchan $abook_uids )
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WHERE uid = %d $item_normal_update
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AND item_wall = 1 $simple_update
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AND (abook.abook_blocked = 0 or abook.abook_flags is null)
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$sql_extra
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ORDER BY created DESC",
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intval(App::$profile['profile_uid'])
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);
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$_SESSION['loadtime'] = datetime_convert();
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}
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}
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else {
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if(x($category)) {
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$sql_extra2 .= protect_sprintf(term_item_parent_query(App::$profile['profile_uid'],'item', $category, TERM_CATEGORY));
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}
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if(x($hashtags)) {
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$sql_extra2 .= protect_sprintf(term_item_parent_query(App::$profile['profile_uid'],'item', $hashtags, TERM_HASHTAG, TERM_COMMUNITYTAG));
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}
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if($datequery) {
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$sql_extra2 .= protect_sprintf(sprintf(" AND item.created <= '%s' ", dbesc(datetime_convert(date_default_timezone_get(),'',$datequery))));
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$order = 'post';
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}
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if($datequery2) {
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$sql_extra2 .= protect_sprintf(sprintf(" AND item.created >= '%s' ", dbesc(datetime_convert(date_default_timezone_get(),'',$datequery2))));
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}
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if($order === 'post')
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$ordering = "created";
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else
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$ordering = "commented";
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$itemspage = get_pconfig(local_channel(),'system','itemspage');
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App::set_pager_itemspage(((intval($itemspage)) ? $itemspage : 20));
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$pager_sql = sprintf(" LIMIT %d OFFSET %d ", intval(App::$pager['itemspage']), intval(App::$pager['start']));
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if($noscript_content || $load) {
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if($mid) {
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$r = q("SELECT parent AS item_id from item where mid like '%s' and uid = %d $item_normal
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AND item_wall = 1 $sql_extra limit 1",
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dbesc($mid . '%'),
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intval(App::$profile['profile_uid'])
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);
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if (! $r) {
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notice( t('Permission denied.') . EOL);
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}
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}
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else {
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$r = q("SELECT DISTINCT item.parent AS item_id, $ordering FROM item
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left join abook on ( item.author_xchan = abook.abook_xchan $abook_uids )
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WHERE true and item.uid = %d $item_normal
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AND (abook.abook_blocked = 0 or abook.abook_flags is null)
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AND item.item_wall = 1 AND item.item_thread_top = 1
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$sql_extra $sql_extra2
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ORDER BY $ordering DESC, item_id $pager_sql ",
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intval(App::$profile['profile_uid'])
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);
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}
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}
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else {
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$r = array();
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}
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}
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if($r) {
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$parents_str = ids_to_querystr($r,'item_id');
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$items = q("SELECT item.*, item.id AS item_id
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FROM item
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WHERE item.uid = %d $item_normal
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AND item.parent IN ( %s )
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$sql_extra ",
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intval(App::$profile['profile_uid']),
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dbesc($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($items,$ordering);
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if($load && $mid && (! count($items))) {
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// This will happen if we don't have sufficient permissions
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// to view the parent item (or the item itself if it is toplevel)
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notice( t('Permission denied.') . EOL);
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}
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} else {
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$items = array();
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}
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if((! $update) && (! $load)) {
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if($decoded)
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$mid = 'b64.' . base64url_encode($mid);
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// This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
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// because browser prefetching might change it on us. We have to deliver it with the page.
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$maxheight = get_pconfig(App::$profile['profile_uid'],'system','channel_divmore_height');
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if(! $maxheight)
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$maxheight = 400;
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$o .= '<div id="live-channel"></div>' . "\r\n";
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$o .= "<script> var profile_uid = " . App::$profile['profile_uid']
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. "; var netargs = '?f='; var profile_page = " . App::$pager['page']
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. "; divmore_height = " . intval($maxheight) . "; </script>\r\n";
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App::$page['htmlhead'] .= replace_macros(get_markup_template("build_query.tpl"),array(
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'$baseurl' => z_root(),
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'$pgtype' => 'channel',
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'$uid' => ((App::$profile['profile_uid']) ? App::$profile['profile_uid'] : '0'),
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'$gid' => '0',
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'$cid' => '0',
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'$cmin' => '(-1)',
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'$cmax' => '(-1)',
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'$star' => '0',
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'$liked' => '0',
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'$conv' => '0',
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'$spam' => '0',
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'$nouveau' => '0',
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'$wall' => '1',
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'$fh' => '0',
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'$static' => $static,
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'$page' => ((App::$pager['page'] != 1) ? App::$pager['page'] : 1),
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'$search' => $search,
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'$xchan' => '',
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'$order' => (($order) ? urlencode($order) : ''),
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'$list' => ((x($_REQUEST,'list')) ? intval($_REQUEST['list']) : 0),
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'$file' => '',
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'$cats' => (($category) ? urlencode($category) : ''),
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'$tags' => (($hashtags) ? urlencode($hashtags) : ''),
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'$mid' => (($mid) ? urlencode($mid) : ''),
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'$verb' => '',
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'$net' => '',
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'$dend' => $datequery,
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'$dbegin' => $datequery2
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));
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}
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$update_unseen = '';
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if($page_mode === 'list') {
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/**
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* in "list mode", only mark the parent item and any like activities as "seen".
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* We won't distinguish between comment likes and post likes. The important thing
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* is that the number of unseen comments will be accurate. The SQL to separate the
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* comment likes could also get somewhat hairy.
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*/
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if($parents_str) {
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$update_unseen = " AND ( id IN ( " . dbesc($parents_str) . " )";
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$update_unseen .= " OR ( parent IN ( " . dbesc($parents_str) . " ) AND verb in ( '" . dbesc(ACTIVITY_LIKE) . "','" . dbesc(ACTIVITY_DISLIKE) . "' ))) ";
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}
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}
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else {
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if($parents_str) {
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$update_unseen = " AND parent IN ( " . dbesc($parents_str) . " )";
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}
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}
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if($is_owner && $update_unseen) {
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$x = [ 'channel_id' => local_channel(), 'update' => 'unset' ];
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call_hooks('update_unseen',$x);
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if($x['update'] === 'unset' || intval($x['update'])) {
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$r = q("UPDATE item SET item_unseen = 0 where item_unseen = 1 and item_wall = 1 AND uid = %d $update_unseen",
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intval(local_channel())
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);
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}
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}
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$mode = (($search) ? 'search' : 'channel');
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if($update) {
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$o .= conversation($items,$mode,$update,$page_mode);
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}
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else {
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$o .= '<noscript>';
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if($noscript_content) {
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$o .= conversation($items,$mode,$update,'traditional');
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$o .= alt_pager(count($items));
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}
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else {
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$o .= '<div class="section-content-warning-wrapper">' . t('You must enable javascript for your browser to be able to view this content.') . '</div>';
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}
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$o .= '</noscript>';
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$o .= conversation($items,$mode,$update,$page_mode);
|
|
|
|
if ($mid && $items[0]['title'])
|
|
App::$page['title'] = $items[0]['title'] . " - " . App::$page['title'];
|
|
|
|
}
|
|
|
|
if($mid)
|
|
$o .= '<div id="content-complete"></div>';
|
|
|
|
return $o;
|
|
}
|
|
}
|