source: tags/6.1/aemodule.php @ 10242

<?

/***************************************************************************
*                            Dolphin Smart Community Builder
*                              -----------------
*     begin                : Mon Mar 23 2006
*     copyright            : (C) 2006 BoonEx Group
*     website              : http://www.boonex.com/
* This file is part of Dolphin - Smart Community Builder
*
* Dolphin is free software. This work is licensed under a Creative Commons Attribution 3.0 License. 
* http://creativecommons.org/licenses/by/3.0/
*
* Dolphin is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the Creative Commons Attribution 3.0 License for more details. 
* You should have received a copy of the Creative Commons Attribution 3.0 License along with Dolphin, 
* see license.txt file; if not, write to marketing@boonex.com
***************************************************************************/

require_once( 'inc/header.inc.php' );
require_once( BX_DIRECTORY_PATH_INC . 'design.inc.php' );
require_once( BX_DIRECTORY_PATH_INC . 'admin.inc.php' );
require_once( BX_DIRECTORY_PATH_INC . 'modules.inc.php' );
require_once( BX_DIRECTORY_PATH_INC . 'membership_levels.inc.php' );
require_once( BX_DIRECTORY_PATH_INC . 'utils.inc.php' );

$pageIndex = $_page['name_index'] = 23;


$_page['header'] = _t('_Choose forum');

$enable_ray = (getParam( 'enable_ray' ) == 'on');

function LaunchRayChat()
{
    global $site;

    $iId = (int)$_COOKIE['memberID'];
    $sPassword = getPassword( $iId );
    $aPostVals = array( 'module' => 'chat', 'app' => 'user', 'id' => $iId, 'password' => $sPassword );

    Redirect( $site['url'] . 'ray/index.php', $aPostVals, 'get', 'Ray chat' );
}

function showError($errorMessage)
{
    global $pageIndex;
    global $_page_cont;
    global $_page;

    //$_page['header_text'] = _t('_Module_access_error');
    $_page['header_text'] = '';
    $_page_cont[$pageIndex]['page_main_code'] = $errorMessage;
    PageCode();
}

/**
 *  A simple class-container of HTML hyperlink
 */
class CHyperLink
{
    var $linkReference;

    var $linkDescription;

    /**
     * Returns properly constructed HTML code of hyperlink
     *
     * @return string HTML code
     */
    function GetHTMLcode()
    {
        $code = '<a href="'.addslashes(htmlspecialchars($this->linkReference)).'">';
        if (strlen($this->linkDescription) > 0)
        {
            $code .= $this->linkDescription;
        }
        else
        {
            $code .= $this->linkReference;
        }
        $code .= '</a>';

        return $code;
    }

    function CHyperLink($linkReference, $linkDescription)
    {
        $this->linkReference = $linkReference;
        $this->linkDescription = $linkDescription;
    }
};

/** //MOVE THIS FUNCTION TO utils.inc.php!!!
 * Displays list of links, using current template
 * (design.inc.php module should be included)
 *
 * @param string $pageHeaderText
 *
 * @param string $listHeaderText
 *
 * @param array of CHyperLink $links - array of URLs. Array length must be equal to $linksDescriptions length
 *
 * @return bool Returns true on success and false in case of any error
 */
function showLinksList($pageIndex, $pageHeaderText, $listHeaderText, $links)
{
    global $_page_cont;
    global $_page;

    if (! class_exists('CHyperLink'))
    {
        return false;
    }

    if ((! is_array($links)) || count($links) == 0)
    {
        return false;
    }

    $pageMainCode = '';
    $_page['header_text'] = $pageHeaderText;
    $pageMainCode .= $listHeaderText.'<br />';

    foreach ($links as $hyperLink)
    {
        if (! is_a($hyperLink, 'CHyperLink'))
        {
            return false;
        }
        $pageMainCode .= $hyperLink->GetHTMLcode().'<br />';
    }

    $_page_cont[$pageIndex]['page_main_code'] = '<div align="center">'. $pageMainCode .'</div>';

    PageCode();

    return true;
}

$isAdmin = member_auth(1, false);
$logged['admin'] = $isAdmin;
if ($isAdmin)
{
    $adminName = $_COOKIE['adminID'];
}
else
{
    $isMember = member_auth(0, false);
    $logged['member'] = $isMember;
    if ($isMember)
    {
        $memberID = $_COOKIE['memberID'];
    }
}

if (array_key_exists('ModuleName', $_GET))
{

    $moduleName = $_GET['ModuleName'];
    $dbModuleName = process_db_input($_GET['ModuleName']);

    // Ray support
    if ($moduleName == 'ray')
    {
        if ($enable_ray)
        {
            if ($isMember)
            {
                $chechActionRes = checkAction($memberID, ACTION_ID_USE_RAY_CHAT);
                if ($chechActionRes[CHECK_ACTION_RESULT] == CHECK_ACTION_RESULT_ALLOWED)
                {
                    LaunchRayChat();
                    checkAction($memberID, ACTION_ID_USE_RAY_CHAT, true);
                }
                else
                {
                    showError($chechActionRes[CHECK_ACTION_MESSAGE]);
                }
            }
            else
            {
                showError(_t('_Please login before using Ray chat'));
            }
        }
        else
        {
            showError(_t('_Ray is not enabled. Select <link> another module', $_SERVER['PHP_SELF']));
        }
        exit();
    }
    // end of Ray support

    if ($isAdmin)
    {
        modules_login($adminName, $moduleName, 1);
    }
    else if ($isMember)
    {
        $memberID = $_COOKIE['memberID'];

        // Extract module type from database by the module name, do not rely on GET,
        // because it is a hole: user can crack membership restrictions
        list($moduleType) = db_arr("SELECT `Type` FROM `Modules` WHERE `Name` = '{$dbModuleName}'");
        if (strlen(trim($moduleType)) == 0)
        {
            showError(_t('_Invalid module name or invalid row in database') . 'ModuleName = "'.$moduleName.'"');
        }

        // If module is forum or chat, then check if member is allowed to use the module
        switch ($moduleType)
        {
            case 'forum':
                $check_res = checkAction($memberID, ACTION_ID_USE_FORUM);
                if ($check_res[CHECK_ACTION_RESULT] != CHECK_ACTION_RESULT_ALLOWED)
                {
                    showError($check_res[CHECK_ACTION_MESSAGE]);
                    exit();
                }
                checkAction($memberID, ACTION_ID_USE_FORUM, true);
                break;
            case 'chat':
                $check_res = checkAction($memberID, ACTION_ID_USE_CHAT);
                if ($check_res[CHECK_ACTION_RESULT] != CHECK_ACTION_RESULT_ALLOWED)
                {
                    showError($check_res[CHECK_ACTION_MESSAGE]);
                    exit();
                }
                checkAction($memberID, ACTION_ID_USE_CHAT, true);
                break;
            default:
                {
                    showError(_t('_Unknown module type selected').": '".$moduleType."'");
                }
        }
        modules_login($memberID, $moduleName, 0);
    }
    else
    {
        // If not a member and not an admin, so merely redirect to a module index page
        if (is_array($mods) && array_key_exists($moduleName, $mods) &&
            is_array($mods[$moduleName]) && array_key_exists('ModuleDirectory', $mods[$moduleName]))
        {
            Redirect($site['url'] . $mods[$moduleName]['ModuleDirectory']);
        }
        else
        {
            showError(_t('_Module directory was not set. Module must be re-configurated'));
        }
    }
}
else
{
    if (array_key_exists('ModuleType', $_GET))
    {
        $moduleType = $_GET['ModuleType'];
        $dbModuleType = process_db_input($_GET['ModuleType']);

        if (! in_array($moduleType, array('forum', 'chat')))
        {
            showError(_t('_Invalid module type selected.').'<br /><a href="'.$_SERVER['PHP_SELF'].'">'._t('_Select module type').'</a>');
            exit();
        }

        // User should select certain module
        $resModules = db_res("SELECT `Name`,
                                     `ReadableName`
                              FROM `Modules`
                              WHERE `Type` = '{$dbModuleType}'");
        $modulesLinks = array();
        while ($arrModule = mysql_fetch_array($resModules))
        {
            $modulesLinks[] = new CHyperLink($_SERVER['PHP_SELF'].'?ModuleName='.$arrModule['Name'],
                $arrModule['ReadableName']);
        }

        // Ray support
        if ($moduleType == 'chat' && $enable_ray)
        {
            $modulesLinks[] = new CHyperLink($_SERVER['PHP_SELF'].'?ModuleName=ray', 'Ray');
        }
        // end of Ray support

        switch (count($modulesLinks))
        {
            case 0:
                showError(_t('_No modules of this type installed', $moduleType)); // ARGUMENT!
                break;
            case 1:
                // Do not ask member if there is only one module
                Redirect($modulesLinks[0]->linkReference, null, 'post');
                break;
            default:
                showLinksList($pageIndex, _t('_Module selection'), _t('Choose module to log in'), $modulesLinks);
        }
    }
    else
    {
        // User should select certain module type
        $resModulesTypes = db_res("SELECT DISTINCT `Type`
                                   FROM `Modules`");
        $modulesTypesLinks = array();
        while ($arrModulesType = mysql_fetch_array($resModulesTypes))
        {
            $modulesTypesLinks[] = new CHyperLink($_SERVER['PHP_SELF'].'?ModuleType='.$arrModulesType['Type'],
                $arrModulesType['Type']);
        }

        switch (count($modulesTypesLinks))
        {
            case 0:
                showError(_t('_No modules found', $moduleType)); // ARGUMENT!
                break;
            case 1:
                // Do not ask member if there is only one type of modules
                Redirect($modulesTypesLinks[0]->linkReference, null, 'post');
                break;
            default:
                showLinksList($pageIndex, _t('_Module type selection'), _t('_Choose module type'), $modulesTypesLinks);
        }
    }
}

?>