<?php

// See update_profile.php for documentation

require_once 'mod/network.php';
require_once 'include/group.php';

function update_network_content(&$a)
{
    $profile_uid = intval($_GET['p']);

    header('Content-type: text/html');
    echo "<!DOCTYPE html><html><body>\r\n";
    echo '<section>';

    if (!get_pconfig($profile_uid, 'system', 'no_auto_update') or ($_GET['force'] == 1)) {
        $text = network_content($a, $profile_uid);
    } else {
        $text = '';
    }

    $pattern = '/<img([^>]*) src="([^"]*)"/';
    $replace = '<img${1} dst="${2}"';
    $text = preg_replace($pattern, $replace, $text);

    if (get_pconfig(local_user(), 'system', 'bandwith_saver')) {
        $replace = '<br />'.t('[Embedded content - reload page to view]').'<br />';
        $pattern = "/<\s*audio[^>]*>(.*?)<\s*\/\s*audio>/i";
        $text = preg_replace($pattern, $replace, $text);
        $pattern = "/<\s*video[^>]*>(.*?)<\s*\/\s*video>/i";
        $text = preg_replace($pattern, $replace, $text);
        $pattern = "/<\s*embed[^>]*>(.*?)<\s*\/\s*embed>/i";
        $text = preg_replace($pattern, $replace, $text);
        $pattern = "/<\s*iframe[^>]*>(.*?)<\s*\/\s*iframe>/i";
        $text = preg_replace($pattern, $replace, $text);
    }

    // reportedly some versions of MSIE don't handle tabs in XMLHttpRequest documents very well
    echo str_replace("\t", '       ', $text);
    echo '</section>';
    echo "</body></html>\r\n";
    killme();
}