function bookmarklet_content(&$a)
{
    if (!local_user()) {
        $o = '<h2>' . t('Login') . '</h2>';
        $o .= login($a->config['register_policy'] == REGISTER_CLOSED ? false : true);
        return $o;
    }
    $referer = normalise_link($_SERVER["HTTP_REFERER"]);
    $page = normalise_link($a->get_baseurl() . "/bookmarklet");
    if (!strstr($referer, $page)) {
        $content = add_page_info($_REQUEST["url"]);
        $x = array('is_owner' => true, 'allow_location' => $a->user['allow_location'], 'default_location' => $a->user['default-location'], 'nickname' => $a->user['nickname'], 'lockstate' => is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock', 'default_perms' => get_acl_permissions($a->user), 'acl' => populate_acl($a->user, true), 'bang' => '', 'visitor' => 'block', 'profile_uid' => local_user(), 'acl_data' => construct_acl_data($a, $a->user), 'title' => trim($_REQUEST["title"], "*"), 'content' => $content);
        $o = status_editor($a, $x, 0, false);
        $o .= "<script>window.resizeTo(800,550);</script>";
    } else {
        $o = '<h2>' . t('The post was created') . '</h2>';
        $o .= "<script>window.close()</script>";
    }
    return $o;
}

function profile_content(&$a, $update = 0)
{
    if (get_config('system', 'block_public') && !local_user() && !remote_user()) {
        return login();
    }
    require_once "include/bbcode.php";
    require_once 'include/security.php';
    require_once 'include/conversation.php';
    require_once 'include/acl_selectors.php';
    $groups = array();
    $tab = 'posts';
    $o = '';
    if ($update) {
        // Ensure we've got a profile owner if updating.
        $a->profile['profile_uid'] = $update;
    } else {
        if ($a->profile['profile_uid'] == local_user()) {
            nav_set_selected('home');
        }
    }
    $contact = null;
    $remote_contact = false;
    if (remote_user()) {
        $contact_id = $_SESSION['visitor_id'];
        $groups = init_groups_visitor($contact_id);
        $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($contact_id), intval($a->profile['profile_uid']));
        if (count($r)) {
            $contact = $r[0];
            $remote_contact = true;
        }
    }
    if (!$remote_contact) {
        if (local_user()) {
            $contact_id = $_SESSION['cid'];
            $contact = $a->contact;
        }
    }
    $is_owner = local_user() && local_user() == $a->profile['profile_uid'] ? true : false;
    if ($a->profile['hidewall'] && !$is_owner && !$remote_contact) {
        notice(t('Access to this profile has been restricted.') . EOL);
        return;
    }
    if (!$update) {
        if (x($_GET, 'tab')) {
            $tab = notags(trim($_GET['tab']));
        }
        $o .= profile_tabs($a, $is_owner, $a->profile['nickname']);
        if ($tab === 'profile') {
            require_once 'include/profile_advanced.php';
            $o .= advanced_profile($a);
            call_hooks('profile_advanced', $o);
            return $o;
        }
        if (x($_SESSION, 'new_member') && $_SESSION['new_member'] && $is_owner) {
            $o .= '<a href="newmember">' . t('Tips for New Members') . '</a>' . EOL;
        }
        $commpage = $a->profile['page-flags'] == PAGE_COMMUNITY ? true : false;
        $commvisitor = $commpage && $remote_contact == true ? true : false;
        $celeb = $a->profile['page-flags'] == PAGE_SOAPBOX || $a->profile['page-flags'] == PAGE_COMMUNITY ? true : false;
        if (can_write_wall($a, $a->profile['profile_uid'])) {
            $x = array('is_owner' => $is_owner, 'allow_location' => ($is_owner || $commvisitor) && $a->profile['allow_location'] ? true : false, 'default_location' => $is_owner ? $a->user['default-location'] : '', 'nickname' => $a->profile['nickname'], 'lockstate' => is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock', 'acl' => $is_owner ? populate_acl($a->user, $celeb) : '', 'bang' => '', 'visitor' => $is_owner || $commvisitor ? 'block' : 'none', 'profile_uid' => $a->profile['profile_uid']);
            $o .= status_editor($a, $x);
        }
    }
    if ($is_owner) {
        $r = q("UPDATE `item` SET `unseen` = 0 \n\t\t\tWHERE `wall` = 1 AND `unseen` = 1 AND `uid` = %d", intval(local_user()));
    }
    /**
     * Get permissions SQL - if $remote_contact is true, our remote user has been pre-verified and we already have fetched his/her groups
     */
    $sql_extra = permissions_sql($a->profile['profile_uid'], $remote_contact, $groups);
    $r = q("SELECT COUNT(*) AS `total`\n\t\tFROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`\n\t\tWHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`deleted` = 0\n\t\tAND `contact`.`blocked` = 0 AND `contact`.`pending` = 0 \n\t\tAND `item`.`id` = `item`.`parent` AND `item`.`wall` = 1\n\t\t{$sql_extra} ", intval($a->profile['profile_uid']));
    if (count($r)) {
        $a->set_pager_total($r[0]['total']);
        $a->set_pager_itemspage(40);
    }
    $r = q("SELECT `item`.`id` AS `item_id`, `contact`.`uid` AS `contact-uid`\n\t\tFROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`\n\t\tWHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`deleted` = 0\n\t\tAND `contact`.`blocked` = 0 AND `contact`.`pending` = 0\n\t\tAND `item`.`id` = `item`.`parent` AND `item`.`wall` = 1\n\t\t{$sql_extra}\n\t\tORDER BY `item`.`created` DESC LIMIT %d ,%d ", intval($a->profile['profile_uid']), intval($a->pager['start']), intval($a->pager['itemspage']));
    $parents_arr = array();
    $parents_str = '';
    if (count($r)) {
        foreach ($r as $rr) {
            $parents_arr[] = $rr['item_id'];
        }
        $parents_str = implode(', ', $parents_arr);
        $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, \n\t\t\t`contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`network`, `contact`.`rel`, \n\t\t\t`contact`.`thumb`, `contact`.`self`, `contact`.`writable`, \n\t\t\t`contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`\n\t\t\tFROM `item`, (SELECT `p`.`id`,`p`.`created` FROM `item` AS `p` WHERE `p`.`parent` = `p`.`id`) AS `parentitem`, `contact`\n\t\t\tWHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`deleted` = 0\n\t\t\tAND `contact`.`id` = `item`.`contact-id`\n\t\t\tAND `contact`.`blocked` = 0 AND `contact`.`pending` = 0\n\t\t\tAND `item`.`parent` = `parentitem`.`id` AND `item`.`parent` IN ( %s )\n\t\t\t{$sql_extra}\n\t\t\tORDER BY `parentitem`.`created` DESC, `gravity` ASC, `item`.`created` ASC ", intval($a->profile['profile_uid']), dbesc($parents_str));
    }
    if ($is_owner && !$update) {
        $o .= get_birthdays();
        $o .= get_events();
    }
    if (!$update && $tab === 'posts') {
        // This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
        // because browser prefetching might change it on us. We have to deliver it with the page.
        $o .= '<div id="live-profile"></div>' . "\r\n";
        $o .= "<script> var profile_uid = " . $a->profile['profile_uid'] . "; var netargs = '/?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
    }
    $o .= conversation($a, $r, 'profile', $update);
    if (!$update) {
        $o .= paginate($a);
    }
//.........这里部分代码省略.........

function thing_content(&$a)
{
    // @FIXME one problem with things is we can't share them unless we provide the channel in the url
    // so we can definitively lookup the owner.
    if (argc() == 2) {
        $r = q("select obj_channel from obj where obj_type = %d and obj_obj = '%s' limit 1", intval(TERM_OBJ_THING), dbesc(argv(1)));
        if ($r) {
            $sql_extra = permissions_sql($r[0]['obj_channel']);
        }
        $r = q("select * from obj where obj_type = %d and obj_obj = '%s' {$sql_extra} limit 1", intval(TERM_OBJ_THING), dbesc(argv(1)));
        if ($r) {
            return replace_macros(get_markup_template('show_thing.tpl'), array('$header' => t('Show Thing'), '$edit' => t('Edit'), '$delete' => t('Delete'), '$canedit' => local_channel() && local_channel() == $r[0]['obj_channel'] ? true : false, '$thing' => $r[0]));
        } else {
            notice(t('item not found.') . EOL);
            return;
        }
    }
    $channel = App::get_channel();
    if (!(local_channel() && $channel)) {
        notice(t('Permission denied.') . EOL);
        return;
    }
    $acl = new Zotlabs\Access\AccessList($channel);
    $channel_acl = $acl->get();
    $lockstate = $acl->is_private() ? 'lock' : 'unlock';
    $thing_hash = '';
    if (argc() == 3 && argv(1) === 'edit') {
        $thing_hash = argv(2);
        $r = q("select * from obj where obj_type = %d and obj_obj = '%s' limit 1", intval(TERM_OBJ_THING), dbesc($thing_hash));
        if (!$r || $r[0]['obj_channel'] != local_channel()) {
            notice(t('Permission denied.') . EOL);
            return '';
        }
        $o .= replace_macros(get_markup_template('thing_edit.tpl'), array('$thing_hdr' => t('Edit Thing'), '$multiprof' => feature_enabled(local_channel(), 'multi_profiles'), '$profile_lbl' => t('Select a profile'), '$profile_select' => contact_profile_assign($r[0]['obj_page']), '$verb_lbl' => $channel['channel_name'], '$verb_select' => obj_verb_selector($r[0]['obj_verb']), '$activity' => array('activity', t('Post an activity'), true, t('Only sends to viewers of the applicable profile')), '$thing_hash' => $thing_hash, '$thing_lbl' => t('Name of thing e.g. something'), '$thething' => $r[0]['obj_term'], '$url_lbl' => t('URL of thing (optional)'), '$theurl' => $r[0]['obj_url'], '$img_lbl' => t('URL for photo of thing (optional)'), '$imgurl' => $r[0]['obj_imgurl'], '$permissions' => t('Permissions'), '$aclselect' => populate_acl($channel_acl, false), '$lockstate' => $lockstate, '$submit' => t('Submit')));
        return $o;
    }
    if (argc() == 3 && argv(1) === 'drop') {
        $thing_hash = argv(2);
        $r = q("select * from obj where obj_type = %d and obj_obj = '%s' limit 1", intval(TERM_OBJ_THING), dbesc($thing_hash));
        if (!$r || $r[0]['obj_channel'] != local_channel()) {
            notice(t('Permission denied.') . EOL);
            return '';
        }
        $x = q("delete from obj where obj_obj = '%s' and obj_type = %d and obj_channel = %d", dbesc($thing_hash), intval(TERM_OBJ_THING), intval(local_channel()));
        $r[0]['obj_deleted'] = 1;
        build_sync_packet(0, array('obj' => $r));
        return $o;
    }
    $o .= replace_macros(get_markup_template('thing_input.tpl'), array('$thing_hdr' => t('Add Thing to your Profile'), '$multiprof' => feature_enabled(local_channel(), 'multi_profiles'), '$profile_lbl' => t('Select a profile'), '$profile_select' => contact_profile_assign(''), '$verb_lbl' => $channel['channel_name'], '$activity' => array('activity', t('Post an activity'), array_key_exists('activity', $_REQUEST) ? $_REQUEST['activity'] : true, t('Only sends to viewers of the applicable profile')), '$verb_select' => obj_verb_selector(), '$thing_lbl' => t('Name of thing e.g. something'), '$url_lbl' => t('URL of thing (optional)'), '$img_lbl' => t('URL for photo of thing (optional)'), '$permissions' => t('Permissions'), '$aclselect' => populate_acl($channel_acl, false), '$lockstate' => $lockstate, '$submit' => t('Submit')));
    return $o;
}

 function get($update = 0, $load = false)
 {
     $checkjs = new \Zotlabs\Web\CheckJS(1);
     if ($load) {
         $_SESSION['loadtime'] = datetime_convert();
     }
     if (observer_prohibited()) {
         notice(t('Public access denied.') . EOL);
         return;
     }
     require_once "include/bbcode.php";
     require_once 'include/security.php';
     require_once 'include/conversation.php';
     require_once 'include/acl_selectors.php';
     require_once 'include/items.php';
     \App::$page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), array());
     if (argc() > 1 && argv(1) !== 'load') {
         $item_hash = argv(1);
     }
     if ($_REQUEST['mid']) {
         $item_hash = $_REQUEST['mid'];
     }
     if (!$item_hash) {
         \App::$error = 404;
         notice(t('Item not found.') . EOL);
         return;
     }
     $observer_is_owner = false;
     if (local_channel() && !$update) {
         $channel = \App::get_channel();
         $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']);
         $x = array('is_owner' => true, 'allow_location' => intval(get_pconfig($channel['channel_id'], 'system', 'use_browser_location')) ? '1' : '', 'default_location' => $channel['channel_location'], 'nickname' => $channel['channel_address'], 'lockstate' => $group || $cid || $channel['channel_allow_cid'] || $channel['channel_allow_gid'] || $channel['channel_deny_cid'] || $channel['channel_deny_gid'] ? 'lock' : 'unlock', 'acl' => populate_acl($channel_acl), 'permissions' => $channel_acl, 'bang' => '', 'visitor' => true, 'profile_uid' => local_channel(), 'return_path' => 'channel/' . $channel['channel_address'], 'expanded' => true, 'editor_autocomplete' => true, 'bbco_autocomplete' => 'bbcode', 'bbcode' => true);
         $o = '<div id="jot-popup">';
         $o .= status_editor($a, $x);
         $o .= '</div>';
     }
     // This page can be viewed by anybody so the query could be complicated
     // First we'll see if there is a copy of the item which is owned by us - if we're logged in locally.
     // If that fails (or we aren't logged in locally),
     // query an item in which the observer (if logged in remotely) has cid or gid rights
     // and if that fails, look for a copy of the post that has no privacy restrictions.
     // 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.
     // find a copy of the item somewhere
     $target_item = null;
     $r = q("select id, uid, mid, parent_mid, item_type, item_deleted from item where mid like '%s' limit 1", dbesc($item_hash . '%'));
     if ($r) {
         $target_item = $r[0];
     }
     $r = null;
     if ($target_item['item_type'] == ITEM_TYPE_WEBPAGE) {
         $x = q("select * from channel where channel_id = %d limit 1", intval($target_item['uid']));
         $y = q("select * from iconfig left join item on iconfig.iid = item.id \n\t\t\t\twhere item.uid = %d and iconfig.cat = 'system' and iconfig.k = 'WEBPAGE' and item.id = %d limit 1", intval($target_item['uid']), intval($target_item['id']));
         if ($x && $y) {
             goaway(z_root() . '/page/' . $x[0]['channel_address'] . '/' . $y[0]['v']);
         } else {
             notice(t('Page not found.') . EOL);
             return '';
         }
     }
     $simple_update = $update ? " AND item_unseen = 1 " : '';
     if ($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', $_SESSION['loadtime']) . "' ) ";
     }
     if ($load) {
         $simple_update = '';
     }
     if (!$update && !$load) {
         $o .= '<div id="live-display"></div>' . "\r\n";
         $o .= "<script> var profile_uid = " . (intval(local_channel()) ? local_channel() : -1) . "; var netargs = '?f='; var profile_page = " . \App::$pager['page'] . "; </script>\r\n";
         \App::$page['htmlhead'] .= replace_macros(get_markup_template("build_query.tpl"), array('$baseurl' => z_root(), '$pgtype' => 'display', '$uid' => '0', '$gid' => '0', '$cid' => '0', '$cmin' => '0', '$cmax' => '99', '$star' => '0', '$liked' => '0', '$conv' => '0', '$spam' => '0', '$fh' => '0', '$nouveau' => '0', '$wall' => '0', '$page' => \App::$pager['page'] != 1 ? \App::$pager['page'] : 1, '$list' => x($_REQUEST, 'list') ? intval($_REQUEST['list']) : 0, '$search' => '', '$order' => '', '$file' => '', '$cats' => '', '$tags' => '', '$dend' => '', '$dbegin' => '', '$verb' => '', '$mid' => $item_hash));
     }
     $observer_hash = get_observer_hash();
     $item_normal = item_normal();
     $sql_extra = public_permissions_sql($observer_hash);
     if ($update && $load || $checkjs->disabled()) {
         $updateable = false;
         $pager_sql = sprintf(" LIMIT %d OFFSET %d ", intval(\App::$pager['itemspage']), intval(\App::$pager['start']));
         if ($load || $checkjs->disabled()) {
             $r = null;
             require_once 'include/channel.php';
             $sys = get_sys_channel();
             $sysid = $sys['channel_id'];
             if (local_channel()) {
                 $r = q("SELECT * from item\n\t\t\t\t\t\tWHERE uid = %d\n\t\t\t\t\t\tand mid = '%s'\n\t\t\t\t\t\t{$item_normal}\n\t\t\t\t\t\tlimit 1", intval(local_channel()), dbesc($target_item['parent_mid']));
                 if ($r) {
                     $updateable = true;
                 }
             }
             if ($r === null) {
                 // in case somebody turned off public access to sys channel content using permissions
                 // make that content unsearchable by ensuring the owner_xchan can't match
                 if (!perm_is_allowed($sysid, $observer_hash, 'view_stream')) {
                     $sysid = 0;
                 }
                 $r = q("SELECT * from item\n\t\t\t\t\t\tWHERE mid = '%s'\n\t\t\t\t\t\tAND (((( `item`.`allow_cid` = ''  AND `item`.`allow_gid` = '' AND `item`.`deny_cid`  = '' \n\t\t\t\t\t\tAND `item`.`deny_gid`  = '' AND item_private = 0 ) \n\t\t\t\t\t\tand owner_xchan in ( " . stream_perms_xchans($observer_hash ? PERMS_NETWORK | PERMS_PUBLIC : PERMS_PUBLIC) . " ))\n\t\t\t\t\t\tOR uid = %d )\n\t\t\t\t\t\t{$sql_extra} )\n\t\t\t\t\t\t{$item_normal}\n\t\t\t\t\t\tlimit 1", dbesc($target_item['parent_mid']), intval($sysid));
             }
         }
     } elseif ($update && !$load) {
         $r = null;
         require_once 'include/channel.php';
//.........这里部分代码省略.........

function photos_content(&$a)
{
    // URLs:
    // photos/name
    // photos/name/album/xxxxx (xxxxx is album name)
    // photos/name/image/xxxxx
    if (get_config('system', 'block_public') && !local_channel() && !remote_channel()) {
        notice(t('Public access denied.') . EOL);
        return;
    }
    $unsafe = array_key_exists('unsafe', $_REQUEST) && $_REQUEST['unsafe'] ? 1 : 0;
    require_once 'include/bbcode.php';
    require_once 'include/security.php';
    require_once 'include/conversation.php';
    if (!x($a->data, 'channel')) {
        notice(t('No photos selected') . EOL);
        return;
    }
    $ph = photo_factory('');
    $phototypes = $ph->supportedTypes();
    $_SESSION['photo_return'] = $a->cmd;
    //
    // Parse arguments
    //
    $can_comment = perm_is_allowed($a->profile['profile_uid'], get_observer_hash(), 'post_comments');
    if (argc() > 3) {
        $datatype = argv(2);
        $datum = argv(3);
    } else {
        if (argc() > 2) {
            $datatype = argv(2);
            $datum = '';
        } else {
            $datatype = 'summary';
        }
    }
    if (argc() > 4) {
        $cmd = argv(4);
    } else {
        $cmd = 'view';
    }
    //
    // Setup permissions structures
    //
    $can_post = false;
    $visitor = 0;
    $owner_uid = $a->data['channel']['channel_id'];
    $owner_aid = $a->data['channel']['channel_account_id'];
    $observer = $a->get_observer();
    $can_post = perm_is_allowed($owner_uid, $observer['xchan_hash'], 'write_storage');
    $can_view = perm_is_allowed($owner_uid, $observer['xchan_hash'], 'view_storage');
    if (!$can_view) {
        notice(t('Access to this item is restricted.') . EOL);
        return;
    }
    $sql_extra = permissions_sql($owner_uid);
    $o = "";
    $o .= "<script> var profile_uid = " . $a->profile['profile_uid'] . "; var netargs = '?f='; var profile_page = " . $a->pager['page'] . "; </script>\r\n";
    // tabs
    $_is_owner = local_channel() && local_channel() == $owner_uid;
    $o .= profile_tabs($a, $_is_owner, $a->data['channel']['channel_address']);
    /**
     * Display upload form
     */
    if ($can_post) {
        $uploader = '';
        $ret = array('post_url' => $a->get_baseurl() . '/photos/' . $a->data['channel']['channel_address'], 'addon_text' => $uploader, 'default_upload' => true);
        call_hooks('photo_upload_form', $ret);
        /* Show space usage */
        $r = q("select sum(size) as total from photo where aid = %d and scale = 0 ", intval($a->data['channel']['channel_account_id']));
        $limit = service_class_fetch($a->data['channel']['channel_id'], 'photo_upload_limit');
        if ($limit !== false) {
            $usage_message = sprintf(t("%1\$.2f MB of %2\$.2f MB photo storage used."), $r[0]['total'] / 1024000, $limit / 1024000);
        } else {
            $usage_message = sprintf(t('%1$.2f MB photo storage used.'), $r[0]['total'] / 1024000);
        }
        if ($_is_owner) {
            $channel = $a->get_channel();
            $acl = new AccessList($channel);
            $channel_acl = $acl->get();
            $lockstate = $acl->is_private() ? 'lock' : 'unlock';
        }
        $aclselect = $_is_owner ? populate_acl($channel_acl, false) : '';
        $selname = $datum ? hex2bin($datum) : '';
        $albums = array_key_exists('albums', $a->data) ? $a->data['albums'] : photos_albums_list($a->data['channel'], $a->data['observer']);
        if (!$selname) {
            $def_album = get_pconfig($a->data['channel']['channel_id'], 'system', 'photo_path');
            if ($def_album) {
                $selname = filepath_macro($def_album);
                $albums['album'][] = array('text' => $selname);
            }
        }
        $tpl = get_markup_template('photos_upload.tpl');
        $upload_form = replace_macros($tpl, array('$pagename' => t('Upload Photos'), '$sessid' => session_id(), '$usage' => $usage_message, '$nickname' => $a->data['channel']['channel_address'], '$newalbum_label' => t('Enter an album name'), '$newalbum_placeholder' => t('or select an existing album (doubleclick)'), '$visible' => array('visible', t('Create a status post for this upload'), 0, '', array(t('No'), t('Yes'))), '$albums' => $albums['albums'], '$selname' => $selname, '$permissions' => t('Permissions'), '$aclselect' => $aclselect, '$lockstate' => $lockstate, '$uploader' => $ret['addon_text'], '$default' => $ret['default_upload'] ? true : false, '$uploadurl' => $ret['post_url'], '$submit' => t('Submit')));
    }
    //
    // dispatch request
    //
    /*
     * Display a single photo album
//.........这里部分代码省略.........

 function get($update = 0, $load = false)
 {
     if (!local_channel()) {
         $_SESSION['return_url'] = \App::$query_string;
         return login(false);
     }
     if ($load) {
         $_SESSION['loadtime'] = datetime_convert();
     }
     $arr = array('query' => \App::$query_string);
     call_hooks('network_content_init', $arr);
     $channel = \App::get_channel();
     $item_normal = item_normal();
     $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']) : '';
     $nouveau = x($_GET, 'new') ? intval($_GET['new']) : 0;
     $gid = x($_GET, 'gid') ? intval($_GET['gid']) : 0;
     $category = x($_REQUEST, 'cat') ? $_REQUEST['cat'] : '';
     $hashtags = x($_REQUEST, 'tag') ? $_REQUEST['tag'] : '';
     $verb = x($_REQUEST, 'verb') ? $_REQUEST['verb'] : '';
     $search = $_GET['search'] ? $_GET['search'] : '';
     if ($search) {
         if (strpos($search, '@') === 0) {
             $r = q("select abook_id from abook left join xchan on abook_xchan = xchan_hash where xchan_name = '%s' and abook_channel = %d limit 1", dbesc(substr($search, 1)), intval(local_channel()));
             if ($r) {
                 $_GET['cid'] = $r[0]['abook_id'];
                 $search = $_GET['search'] = '';
             }
         } elseif (strpos($search, '#') === 0) {
             $hashtags = substr($search, 1);
             $search = $_GET['search'] = '';
         }
     }
     if ($datequery) {
         $_GET['order'] = 'post';
     }
     // filter by collection (e.g. group)
     if ($gid) {
         $r = q("SELECT * FROM groups WHERE id = %d AND uid = %d LIMIT 1", intval($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'] . '>');
     }
     $o = '';
     // if no tabs are selected, defaults to comments
     $cid = x($_GET, 'cid') ? intval($_GET['cid']) : 0;
     $star = x($_GET, 'star') ? intval($_GET['star']) : 0;
     $order = x($_GET, 'order') ? notags($_GET['order']) : 'comment';
     $liked = x($_GET, 'liked') ? intval($_GET['liked']) : 0;
     $conv = x($_GET, 'conv') ? intval($_GET['conv']) : 0;
     $spam = x($_GET, 'spam') ? intval($_GET['spam']) : 0;
     $cmin = x($_GET, 'cmin') ? intval($_GET['cmin']) : 0;
     $cmax = x($_GET, 'cmax') ? intval($_GET['cmax']) : 99;
     $firehose = x($_GET, 'fh') ? intval($_GET['fh']) : 0;
     $file = x($_GET, 'file') ? $_GET['file'] : '';
     $deftag = '';
     if (x($_GET, 'search') || x($_GET, 'file')) {
         $nouveau = true;
     }
     if ($cid) {
         $r = q("SELECT abook_xchan FROM abook WHERE abook_id = %d AND abook_channel = %d LIMIT 1", intval($cid), intval(local_channel()));
         if (!$r) {
             if ($update) {
                 killme();
             }
             notice(t('No such channel') . EOL);
             goaway(z_root() . '/network');
             // NOTREACHED
         }
         if ($_GET['pf'] === '1') {
             $deftag = '@' . t('forum') . '+' . intval($cid) . '+';
         } else {
             $def_acl = array('allow_cid' => '<' . $r[0]['abook_xchan'] . '>');
         }
     }
     if (!$update) {
         $tabs = network_tabs();
         $o .= $tabs;
         // search terms header
         if ($search) {
             $o .= replace_macros(get_markup_template("section_title.tpl"), array('$title' => t('Search Results For:') . ' ' . htmlspecialchars($search, ENT_COMPAT, 'UTF-8')));
         }
         nav_set_selected('network');
         $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 || $cid) && !intval($_GET['pf']) ? 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, \PermissionDescription::fromGlobalPermission('view_stream'), get_post_aclDialogDescription(), 'acl_dialog_post'), 'bang' => $private_editing ? '!' : '', 'visitor' => true, 'profile_uid' => local_channel(), 'editor_autocomplete' => true, 'bbco_autocomplete' => 'bbcode', 'bbcode' => true);
         if ($deftag) {
             $x['pretext'] = $deftag;
         }
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        $perm_opts = array(array(t('Nobody except yourself'), 0), array(t('Only those you specifically allow'), PERMS_SPECIFIC), array(t('Approved connections'), PERMS_CONTACTS), array(t('Any connections'), PERMS_PENDING), array(t('Anybody on this website'), PERMS_SITE), array(t('Anybody in this network'), PERMS_NETWORK), array(t('Anybody authenticated'), PERMS_AUTHED), array(t('Anybody on the internet'), PERMS_PUBLIC));
        foreach ($global_perms as $k => $perm) {
            $options = array();
            foreach ($perm_opts as $opt) {
                if (!$perm[2] && $opt[1] == PERMS_PUBLIC) {
                    continue;
                }
                $options[$opt[1]] = $opt[0];
            }
            $permiss[] = array($k, $perm[3], $channel[$perm[0]], $perm[4], $options);
        }
        //		logger('permiss: ' . print_r($permiss,true));
        $username = $channel['channel_name'];
        $nickname = $channel['channel_address'];
        $timezone = $channel['channel_timezone'];
        $notify = $channel['channel_notifyflags'];
        $defloc = $channel['channel_location'];
        $maxreq = $channel['channel_max_friend_req'];
        $expire = $channel['channel_expire_days'];
        $adult_flag = intval($channel['channel_pageflags'] & PAGE_ADULT);
        $sys_expire = get_config('system', 'default_expire_days');
        //		$unkmail    = $a->user['unkmail'];
        //		$cntunkmail = $a->user['cntunkmail'];
        $hide_presence = intval(get_pconfig(local_channel(), 'system', 'hide_online_status'));
        $expire_items = get_pconfig(local_channel(), 'expire', 'items');
        $expire_items = $expire_items === false ? '1' : $expire_items;
        // default if not set: 1
        $expire_notes = get_pconfig(local_channel(), 'expire', 'notes');
        $expire_notes = $expire_notes === false ? '1' : $expire_notes;
        // default if not set: 1
        $expire_starred = get_pconfig(local_channel(), 'expire', 'starred');
        $expire_starred = $expire_starred === false ? '1' : $expire_starred;
        // default if not set: 1
        $expire_photos = get_pconfig(local_channel(), 'expire', 'photos');
        $expire_photos = $expire_photos === false ? '0' : $expire_photos;
        // default if not set: 0
        $expire_network_only = get_pconfig(local_channel(), 'expire', 'network_only');
        $expire_network_only = $expire_network_only === false ? '0' : $expire_network_only;
        // default if not set: 0
        $suggestme = get_pconfig(local_channel(), 'system', 'suggestme');
        $suggestme = $suggestme === false ? '0' : $suggestme;
        // default if not set: 0
        $post_newfriend = get_pconfig(local_channel(), 'system', 'post_newfriend');
        $post_newfriend = $post_newfriend === false ? '0' : $post_newfriend;
        // default if not set: 0
        $post_joingroup = get_pconfig(local_channel(), 'system', 'post_joingroup');
        $post_joingroup = $post_joingroup === false ? '0' : $post_joingroup;
        // default if not set: 0
        $post_profilechange = get_pconfig(local_channel(), 'system', 'post_profilechange');
        $post_profilechange = $post_profilechange === false ? '0' : $post_profilechange;
        // default if not set: 0
        $blocktags = get_pconfig(local_channel(), 'system', 'blocktags');
        $blocktags = $blocktags === false ? '0' : $blocktags;
        $timezone = date_default_timezone_get();
        $opt_tpl = get_markup_template("field_checkbox.tpl");
        if (get_config('system', 'publish_all')) {
            $profile_in_dir = '<input type="hidden" name="profile_in_directory" value="1" />';
        } else {
            $profile_in_dir = replace_macros($opt_tpl, array('$field' => array('profile_in_directory', t('Publish your default profile in the network directory'), $profile['publish'], '', $yes_no)));
        }
        $suggestme = replace_macros($opt_tpl, array('$field' => array('suggestme', t('Allow us to suggest you as a potential friend to new members?'), $suggestme, '', $yes_no)));
        $subdir = strlen($a->get_path()) ? '<br />' . t('or') . ' ' . $a->get_baseurl(true) . '/channel/' . $nickname : '';
        $tpl_addr = get_markup_template("settings_nick_set.tpl");
        $prof_addr = replace_macros($tpl_addr, array('$desc' => t('Your channel address is'), '$nickname' => $nickname, '$subdir' => $subdir, '$basepath' => $a->get_hostname()));
        $stpl = get_markup_template('settings.tpl');
        $acl = new AccessList($channel);
        $perm_defaults = $acl->get();
        require_once 'include/group.php';
        $group_select = mini_group_select(local_channel(), $channel['channel_default_group']);
        require_once 'include/menu.php';
        $m1 = menu_list(local_channel());
        $menu = false;
        if ($m1) {
            $menu = array();
            $current = get_pconfig(local_channel(), 'system', 'channel_menu');
            $menu[] = array('name' => '', 'selected' => !$current ? true : false);
            foreach ($m1 as $m) {
                $menu[] = array('name' => htmlspecialchars($m['menu_name'], ENT_COMPAT, 'UTF-8'), 'selected' => $m['menu_name'] === $current ? ' selected="selected" ' : false);
            }
        }
        $evdays = get_pconfig(local_channel(), 'system', 'evdays');
        if (!$evdays) {
            $evdays = 3;
        }
        $permissions_role = get_pconfig(local_channel(), 'system', 'permissions_role');
        if (!$permissions_role) {
            $permissions_role = 'custom';
        }
        $permissions_set = $permissions_role != 'custom' ? true : false;
        $vnotify = get_pconfig(local_channel(), 'system', 'vnotify');
        $always_show_in_notices = get_pconfig(local_channel(), 'system', 'always_show_in_notices');
        if ($vnotify === false) {
            $vnotify = -1;
        }
        $o .= replace_macros($stpl, array('$ptitle' => t('Channel Settings'), '$submit' => t('Submit'), '$baseurl' => $a->get_baseurl(true), '$uid' => local_channel(), '$form_security_token' => get_form_security_token("settings"), '$nickname_block' => $prof_addr, '$h_basic' => t('Basic Settings'), '$username' => array('username', t('Full Name:'), $username, ''), '$email' => array('email', t('Email Address:'), $email, ''), '$timezone' => array('timezone_select', t('Your Timezone:'), $timezone, '', get_timezones()), '$defloc' => array('defloc', t('Default Post Location:'), $defloc, t('Geographical location to display on your posts')), '$allowloc' => array('allow_location', t('Use Browser Location:'), get_pconfig(local_channel(), 'system', 'use_browser_location') ? 1 : '', '', $yes_no), '$adult' => array('adult', t('Adult Content'), $adult_flag, t('This channel frequently or regularly publishes adult content. (Please tag any adult material and/or nudity with #NSFW)'), $yes_no), '$h_prv' => t('Security and Privacy Settings'), '$permissions_set' => $permissions_set, '$perms_set_msg' => t('Your permissions are already configured. Click to view/adjust'), '$hide_presence' => array('hide_presence', t('Hide my online presence'), $hide_presence, t('Prevents displaying in your profile that you are online'), $yes_no), '$lbl_pmacro' => t('Simple Privacy Settings:'), '$pmacro3' => t('Very Public - <em>extremely permissive (should be used with caution)</em>'), '$pmacro2' => t('Typical - <em>default public, privacy when desired (similar to social network permissions but with improved privacy)</em>'), '$pmacro1' => t('Private - <em>default private, never open or public</em>'), '$pmacro0' => t('Blocked - <em>default blocked to/from everybody</em>'), '$permiss_arr' => $permiss, '$blocktags' => array('blocktags', t('Allow others to tag your posts'), 1 - $blocktags, t('Often used by the community to retro-actively flag inappropriate content'), $yes_no), '$lbl_p2macro' => t('Advanced Privacy Settings'), '$expire' => array('expire', t('Expire other channel content after this many days'), $expire, sprintf(t('0 or blank to use the website limit. The website expires after %d days.'), intval($sys_expire))), '$maxreq' => array('maxreq', t('Maximum Friend Requests/Day:'), intval($channel['channel_max_friend_req']), t('May reduce spam activity')), '$permissions' => t('Default Post Permissions'), '$permdesc' => t("(click to open/close)"), '$aclselect' => populate_acl($perm_defaults, false), '$suggestme' => $suggestme, '$group_select' => $group_select, '$role' => array('permissions_role', t('Channel permissions category:'), $permissions_role, '', get_roles()), '$profile_in_dir' => $profile_in_dir, '$hide_friends' => $hide_friends, '$hide_wall' => $hide_wall, '$unkmail' => $unkmail, '$cntunkmail' => array('cntunkmail', t('Maximum private messages per day from unknown people:'), intval($channel['channel_max_anon_mail']), t("Useful to reduce spamming")), '$h_not' => t('Notification Settings'), '$activity_options' => t('By default post a status message when:'), '$post_newfriend' => array('post_newfriend', t('accepting a friend request'), $post_newfriend, '', $yes_no), '$post_joingroup' => array('post_joingroup', t('joining a forum/community'), $post_joingroup, '', $yes_no), '$post_profilechange' => array('post_profilechange', t('making an <em>interesting</em> profile change'), $post_profilechange, '', $yes_no), '$lbl_not' => t('Send a notification email when:'), '$notify1' => array('notify1', t('You receive a connection request'), $notify & NOTIFY_INTRO, NOTIFY_INTRO, '', $yes_no), '$notify2' => array('notify2', t('Your connections are confirmed'), $notify & NOTIFY_CONFIRM, NOTIFY_CONFIRM, '', $yes_no), '$notify3' => array('notify3', t('Someone writes on your profile wall'), $notify & NOTIFY_WALL, NOTIFY_WALL, '', $yes_no), '$notify4' => array('notify4', t('Someone writes a followup comment'), $notify & NOTIFY_COMMENT, NOTIFY_COMMENT, '', $yes_no), '$notify5' => array('notify5', t('You receive a private message'), $notify & NOTIFY_MAIL, NOTIFY_MAIL, '', $yes_no), '$notify6' => array('notify6', t('You receive a friend suggestion'), $notify & NOTIFY_SUGGEST, NOTIFY_SUGGEST, '', $yes_no), '$notify7' => array('notify7', t('You are tagged in a post'), $notify & NOTIFY_TAGSELF, NOTIFY_TAGSELF, '', $yes_no), '$notify8' => array('notify8', t('You are poked/prodded/etc. in a post'), $notify & NOTIFY_POKE, NOTIFY_POKE, '', $yes_no), '$lbl_vnot' => t('Show visual notifications including:'), '$vnotify1' => array('vnotify1', t('Unseen grid activity'), $vnotify & VNOTIFY_NETWORK, VNOTIFY_NETWORK, '', $yes_no), '$vnotify2' => array('vnotify2', t('Unseen channel activity'), $vnotify & VNOTIFY_CHANNEL, VNOTIFY_CHANNEL, '', $yes_no), '$vnotify3' => array('vnotify3', t('Unseen private messages'), $vnotify & VNOTIFY_MAIL, VNOTIFY_MAIL, t('Recommended'), $yes_no), '$vnotify4' => array('vnotify4', t('Upcoming events'), $vnotify & VNOTIFY_EVENT, VNOTIFY_EVENT, '', $yes_no), '$vnotify5' => array('vnotify5', t('Events today'), $vnotify & VNOTIFY_EVENTTODAY, VNOTIFY_EVENTTODAY, '', $yes_no), '$vnotify6' => array('vnotify6', t('Upcoming birthdays'), $vnotify & VNOTIFY_BIRTHDAY, VNOTIFY_BIRTHDAY, t('Not available in all themes'), $yes_no), '$vnotify7' => array('vnotify7', t('System (personal) notifications'), $vnotify & VNOTIFY_SYSTEM, VNOTIFY_SYSTEM, '', $yes_no), '$vnotify8' => array('vnotify8', t('System info messages'), $vnotify & VNOTIFY_INFO, VNOTIFY_INFO, t('Recommended'), $yes_no), '$vnotify9' => array('vnotify9', t('System critical alerts'), $vnotify & VNOTIFY_ALERT, VNOTIFY_ALERT, t('Recommended'), $yes_no), '$vnotify10' => array('vnotify10', t('New connections'), $vnotify & VNOTIFY_INTRO, VNOTIFY_INTRO, t('Recommended'), $yes_no), '$vnotify11' => array('vnotify11', t('System Registrations'), $vnotify & VNOTIFY_REGISTER, VNOTIFY_REGISTER, '', $yes_no), '$always_show_in_notices' => array('always_show_in_notices', t('Also show new wall posts, private messages and connections under Notices'), $always_show_in_notices, 1, '', $yes_no), '$evdays' => array('evdays', t('Notify me of events this many days in advance'), $evdays, t('Must be greater than 0')), '$h_advn' => t('Advanced Account/Page Type Settings'), '$h_descadvn' => t('Change the behaviour of this account for special situations'), '$pagetype' => $pagetype, '$expert' => feature_enabled(local_channel(), 'expert'), '$hint' => t('Please enable expert mode (in <a href="settings/features">Settings > Additional features</a>) to adjust!'), '$lbl_misc' => t('Miscellaneous Settings'), '$photo_path' => array('photo_path', t('Default photo upload folder'), get_pconfig(local_channel(), 'system', 'photo_path'), t('%Y - current year, %m -  current month')), '$attach_path' => array('attach_path', t('Default file upload folder'), get_pconfig(local_channel(), 'system', 'attach_path'), t('%Y - current year, %m -  current month')), '$menus' => $menu, '$menu_desc' => t('Personal menu to display in your channel pages'), '$removeme' => t('Remove Channel'), '$removechannel' => t('Remove this channel.'), '$firefoxshare' => t('Firefox Share $Projectname provider'), '$cal_first_day' => array('first_day', t('Start calendar week on monday'), get_pconfig(local_channel(), 'system', 'cal_first_day') ? 1 : '', '', $yes_no)));
        call_hooks('settings_form', $o);
        $o .= '</form>' . "\r\n";
        return $o;
    }
}

//.........这里部分代码省略.........
    $sql_extra = permissions_sql($owner_uid, $remote_contact, $groups);
    $o = "";
    // tabs
    $_is_owner = local_user() && local_user() == $owner_uid;
    $o .= profile_tabs($a, $_is_owner, $a->data['user']['nickname']);
    //
    // dispatch request
    //
    if ($datatype === 'upload') {
        if (!$can_post) {
            notice(t('Permission denied.'));
            return;
        }
        $selname = $datum ? hex2bin($datum) : '';
        $albumselect = '<select id="photos-upload-album-select" name="album" size="4">';
        $albumselect .= '<option value="" ' . (!$selname ? ' selected="selected" ' : '') . '>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option>';
        if (count($a->data['albums'])) {
            foreach ($a->data['albums'] as $album) {
                if ($album['album'] === '' || $album['album'] === 'Contact Photos' || $album['album'] === t('Contact Photos')) {
                    continue;
                }
                $selected = $selname === $album['album'] ? ' selected="selected" ' : '';
                $albumselect .= '<option value="' . $album['album'] . '"' . $selected . '>' . $album['album'] . '</option>';
            }
        }
        $celeb = $a->user['page-flags'] == PAGE_SOAPBOX || $a->user['page-flags'] == PAGE_COMMUNITY ? true : false;
        $albumselect .= '</select>';
        $uploader = '';
        $ret = array('post_url' => $a->get_baseurl() . '/photos/' . $a->data['user']['nickname'], 'addon_text' => $uploader, 'default_upload' => true);
        call_hooks('photo_upload_form', $ret);
        $default_upload = '<input type="file" name="userfile" /> 	<div class="photos-upload-submit-wrapper" >
		<input type="submit" name="submit" value="' . t('Submit') . '" id="photos-upload-submit" /> </div>';
        $tpl = get_markup_template('photos_upload.tpl');
        $o .= replace_macros($tpl, array('$pagename' => t('Upload Photos'), '$sessid' => session_id(), '$nickname' => $a->data['user']['nickname'], '$newalbum' => t('New album name: '), '$existalbumtext' => t('or existing album name: '), '$nosharetext' => t('Do not show a status post for this upload'), '$albumselect' => template_escape($albumselect), '$permissions' => t('Permissions'), '$aclselect' => $visitor ? '' : template_escape(populate_acl($a->user, $celeb)), '$uploader' => $ret['addon_text'], '$default' => $ret['default_upload'] ? $default_upload : '', '$uploadurl' => $ret['post_url']));
        return $o;
    }
    if ($datatype === 'album') {
        $album = hex2bin($datum);
        $r = q("SELECT `resource-id`, max(`scale`) AS `scale` FROM `photo` WHERE `uid` = %d AND `album` = '%s' \n\t\t\tAND `scale` <= 4 {$sql_extra} GROUP BY `resource-id`", intval($owner_uid), dbesc($album));
        if (count($r)) {
            $a->set_pager_total(count($r));
            $a->set_pager_itemspage(20);
        }
        $r = q("SELECT `resource-id`, `id`, `filename`, max(`scale`) AS `scale`, `desc` FROM `photo` WHERE `uid` = %d AND `album` = '%s' \n\t\t\tAND `scale` <= 4 {$sql_extra} GROUP BY `resource-id` ORDER BY `created` DESC LIMIT %d , %d", intval($owner_uid), dbesc($album), intval($a->pager['start']), intval($a->pager['itemspage']));
        $o .= '<h3>' . $album . '</h3>';
        if ($cmd === 'edit') {
            if ($album !== t('Profile Photos') && $album !== 'Contact Photos' && $album !== t('Contact Photos')) {
                if ($can_post) {
                    $edit_tpl = get_markup_template('album_edit.tpl');
                    $o .= replace_macros($edit_tpl, array('$nametext' => t('New album name: '), '$nickname' => $a->data['user']['nickname'], '$album' => template_escape($album), '$hexalbum' => bin2hex($album), '$submit' => t('Submit'), '$dropsubmit' => t('Delete Album')));
                }
            }
        } else {
            if ($album !== t('Profile Photos') && $album !== 'Contact Photos' && $album !== t('Contact Photos')) {
                if ($can_post) {
                    $o .= '<div id="album-edit-link"><a href="' . $a->get_baseurl() . '/photos/' . $a->data['user']['nickname'] . '/album/' . bin2hex($album) . '/edit' . '">' . t('Edit Album') . '</a></div>';
                }
            }
        }
        if ($can_post) {
            $o .= '<div class="photos-upload-link" ><a href="' . $a->get_baseurl() . '/photos/' . $a->data['user']['nickname'] . '/upload/' . bin2hex($album) . '" >' . t('Upload New Photos') . '</a></div>';
        }
        $tpl = get_markup_template('photo_album.tpl');
        if (count($r)) {
            $twist = 'rotright';
        }

 function get()
 {
     if (!\App::$profile) {
         notice(t('Requested profile is not available.') . EOL);
         \App::$error = 404;
         return;
     }
     $which = argv(1);
     $uid = local_channel();
     $owner = 0;
     $channel = null;
     $observer = \App::get_observer();
     $channel = \App::get_channel();
     if (\App::$is_sys && is_site_admin()) {
         $sys = get_sys_channel();
         if ($sys && intval($sys['channel_id'])) {
             $uid = $owner = intval($sys['channel_id']);
             $channel = $sys;
             $observer = $sys;
         }
     }
     if (!$owner) {
         // Figure out who the page owner is.
         $r = q("select channel_id from channel where channel_address = '%s'", dbesc($which));
         if ($r) {
             $owner = intval($r[0]['channel_id']);
         }
     }
     $ob_hash = $observer ? $observer['xchan_hash'] : '';
     if (!perm_is_allowed($owner, $ob_hash, 'write_pages')) {
         notice(t('Permission denied.') . EOL);
         return;
     }
     $is_owner = $uid && $uid == $owner ? true : false;
     $o = '';
     // Figure out which post we're editing
     $post_id = argc() > 2 ? intval(argv(2)) : 0;
     if (!$post_id) {
         notice(t('Item not found') . EOL);
         return;
     }
     $ob_hash = $observer ? $observer['xchan_hash'] : '';
     $perms = get_all_perms($owner, $ob_hash);
     if (!$perms['write_pages']) {
         notice(t('Permission denied.') . EOL);
         return;
     }
     // We've already figured out which item we want and whose copy we need,
     // so we don't need anything fancy here
     $sql_extra = item_permissions_sql($owner);
     $itm = q("SELECT * FROM `item` WHERE `id` = %d and uid = %s {$sql_extra} LIMIT 1", intval($post_id), intval($owner));
     if (!$itm) {
         notice(t('Permission denied.') . EOL);
         return;
     }
     if (intval($itm[0]['item_obscured'])) {
         $key = get_config('system', 'prvkey');
         if ($itm[0]['title']) {
             $itm[0]['title'] = crypto_unencapsulate(json_decode_plus($itm[0]['title']), $key);
         }
         if ($itm[0]['body']) {
             $itm[0]['body'] = crypto_unencapsulate(json_decode_plus($itm[0]['body']), $key);
         }
     }
     $item_id = q("select * from item_id where service = 'WEBPAGE' and iid = %d limit 1", intval($itm[0]['id']));
     if ($item_id) {
         $page_title = $item_id[0]['sid'];
     }
     $mimetype = $itm[0]['mimetype'];
     if ($mimetype === 'application/x-php') {
         if (!$uid || $uid != $itm[0]['uid']) {
             notice(t('Permission denied.') . EOL);
             return;