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<?php
/**
* Bayonet Content Management System
* Copyright (C) 2008 Joseph Hunkeler
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
define("MODULE_FILE",true);
global $load,$index_module;
/**
* Assign _GET variables
*/
if(isset($_GET['load']))
$load = $_GET['load'];
if(isset($_GET['file']))
$file = $_GET['file'];
/**
* Determine the default module to load
*/
if(is_null($load))
{
$load = $config['modules']['default'];
}
/**
* If the error stack has recieved messages, output each failure in a clean fashion
*/
global $error_stack_messages;
if(!empty($error_stack_messages))
{
$messageBuffer = NULL;
foreach($error_stack_messages as $order => $error)
{
$messageBuffer .= "<p><b>Stack Order:</b> $order<br/>$error</p>";
}
ReportError($messageBuffer);
//exit(1);
}
$module_path = "modules/" . $load;
$module_index = $module_path . "/index.php";
$module_internal_file = "modules/" . $load . "/" . $file;
/** Sanity Check
* If the module or a file associated with the module is a symbolic link then
* commit suicide. Symbolic links to malicious code can be dangerous.
*/
if(isset($load) || isset($file))
{
if(is_link($module_path))
{
decho("Refusing to follow symbolic link to '$load'");
exit(1);
}
if(is_link($module_internal_file))
{
decho("Refusing to follow symbolic link to '$file'");
exit(1);
}
}
/** Sanity Check
* Determine if the module or file passed into $load actually exists
* If everything checks out, load the module or file, else commit suicide.
*/
if(isset($load) && !empty($load) && !isset($file))
{
if(file_exists($module_path))
{
include $module_index;
decho("'$load' module loaded");
}
else
{
ReportError("Cannot load module directory.<br>\n");
}
}
/**
* Load an internal module file
*/
elseif(isset($load) && isset($file))
{
if(file_exists($module_path))
{
if(file_exists($module_internal_file))
{
include $module_internal_file;
decho("Loaded '$file' file from $load module");
}
else
{
ReportError("Cannot load module directory.<br>\n");
}
}
else
{
ReportError("Cannot load module file.<br>\n");
}
}
else
{
ReportError("Failure to load module.<br>\n");
}
?>
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