Agora::validateAvatar PHP Метод

    function validateAvatar($avatar_path)
    {
        if (!$GLOBALS['conf']['avatar']['allow_avatars'] || !$avatar_path) {
            return false;
        }
        preg_match('/^(http|vfs):\\/\\/(.*)\\/(gallery|uploaded|.*)\\/(.*\\..*)/i', $avatar_path, $matches);
        switch ($matches[1]) {
            case 'http':
                if (!$GLOBALS['conf']['avatar']['enable_external']) {
                    /* Avatar is external and external avatars have been
                     * disabled. */
                    return false;
                }
                $dimensions = @getimagesize($avatar_path);
                if ($dimensions === false || $dimensions[0] > $GLOBALS['conf']['avatar']['max_width'] || $dimensions[1] > $GLOBALS['conf']['avatar']['max_height']) {
                    /* Avatar is external and external avatars are
                     * enabled, but the image is too wide or high. */
                    return false;
                } else {
                    $avatar = null;
                    $flock = fopen($avatar_path, 'r');
                    while (!feof($flock)) {
                        $avatar .= fread($flock, 2048);
                    }
                    fclose($flock);
                    if (strlen($avatar) > $GLOBALS['conf']['avatar']['max_size'] * 1024) {
                        /* Avatar is external and external avatars have
                         * been enabled, but the file is too large. */
                        return false;
                    }
                }
                return true;
            case 'vfs':
                switch ($matches[3]) {
                    case 'gallery':
                        /* Avatar is within the gallery. */
                        return $GLOBALS['conf']['avatar']['enable_gallery'];
                    case 'uploaded':
                        /* Avatar is within the uploaded avatar collection. */
                        return $GLOBALS['conf']['avatar']['enable_uploads'];
                    default:
                        /* Malformed URL. */
                        return false;
                }
                break;
            default:
                /* Malformed URL. */
                return false;
        }
        return false;
    }

/**
 * Copyright 2005-2007 Andrew Hosie <*****@*****.**>
 *
 * See the enclosed file COPYING for license information (GPL). If you
 * did not receive this file, see http://www.horde.org/licenses/gpl.
 */
function handle_avatarselect($updated)
{
    if ($GLOBALS['conf']['avatar']['allow_avatars']) {
        $avatar_path = Horde_Util::getFormData('avatar_path');
        $avatar_path = Agora::validateAvatar($avatar_path) ? $avatar_path : null;
        if ($avatar_path) {
            $GLOBALS['prefs']->setValue('avatar_path', $avatar_path);
            $updated = true;
        }
    }
    return $updated;
}