control.php
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<?php
/*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1.2 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.knowledgetree.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights and
* limitations under the License.
*
* All copies of the Covered Code must include on each user interface screen:
* (i) the "Powered by KnowledgeTree" logo and
* (ii) the KnowledgeTree copyright notice
* in the same form as they appear in the distribution. See the License for
* requirements.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2007 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
* Contributor( s): ______________________________________
*
*/
// main library routines and defaults
require_once('config/dmsDefaults.php');
/**
* Controller page -- controls the web application by responding to a set of
* defined actions. The controller performs session handling, page-level
* authentication and forwards the request to the appropriate handling
* page.
*/
// -------------------------------
// page start
// -------------------------------
$action = $_REQUEST['action'];
if ($action != 'login') {
// check the session, but don't redirect if the check fails
$ret = checkSessionAndRedirect(false);
if ($ret === true) {
//get around the problem with search
if (strcmp($_REQUEST['fForStandardSearch'], 'yes') == 0) {
$action = 'standardSearch';
} else if (!isset($action)) {
// session check succeeds, so default action should be the dashboard if no action was specified
$action = 'dashboard';
}
} else {
// session check fails, so default action should be the login form if no action was specified
$oKTConfig = KTConfig::getSingleton();
$dest = 'login';
if ($oKTConfig->get('allowAnonymousLogin', false)) { $dest = 'dashboard'; }
if (!isset($action)) {
$action = $dest;
} elseif ($action <> $dest) {
// we have a controller link and auth has failed, so redirect to the login page
// with the controller link as the redirect
$url = generateControllerUrl('login');
$redirect = urlencode($_SERVER[PHP_SELF] . '?' . $_SERVER['QUERY_STRING']);
if ((strlen($redirect) > 1)) {
$url = $url . '&redirect=' . $redirect;
}
if (PEAR::isError($ret)) {
$url = $url . '&errorMessage=' . urlencode($ret->getMessage());
}
redirect($url);
exit(0);
}
}
}
// we appear to have some encoding/decoding issues, so we need to force-check for %30 type situations
$queryString = KTUtil::arrayGet($_REQUEST, 'qs', '');
if (is_array($queryString)) {
$aStrings = array();
foreach ($queryString as $k => $v) {
$aStrings[] = $k . '=' . $v;
}
$queryString = join('&', $aStrings);
} elseif (count(preg_match('#\%#', $queryString) != 0)) {
$queryString = urldecode($queryString);
}
if (empty($queryString)) {
// need to strip query string params from action before attempting to retrieve from sitemap
$queryString = '';
// check for the presence of additional params
if (strstr($_SERVER['QUERY_STRING'], '&')) {
// strip and save the querystring
$queryString = substr($_SERVER['QUERY_STRING'], strpos($_SERVER['QUERY_STRING'], '&')+1, strlen($_SERVER['QUERY_STRING']));
} else if (strstr($_SERVER['QUERY_STRING'], '?')) {
// strip and save the querystring
$queryString = substr($_SERVER['QUERY_STRING'], strpos($_SERVER['QUERY_STRING'], '?')+1, strlen($_SERVER['QUERY_STRING']));
// update
$action = substr($_SERVER['QUERY_STRING'], 0, strpos($_SERVER['QUERY_STRING'], '?'));
}
}
if ($action == 'dashboard') {
$oKTConfig = KTConfig::getSingleton();
if(!$oKTConfig->get('useNewDashboard')) $action = 'olddashboard';
}
// retrieve the page from the sitemap (checks whether this user has access to the requested page)
$page = $default->siteMap->getPage($action, isset($_SESSION['userID']) ? $_SESSION['userID'] : '');
if (!$page) {
// this user doesn't have permission to access the page
// or there is no page mapping for the requested action
// redirect to no permission page
$default->log->error("control.php getPage failed for ($action, " . $_SESSION['userID'] . ")");
redirect("$default->uiUrl/noAccess.php");
} else {
$page = $default->rootUrl . $page;
// set authorised flag and redirect
// strip querystring from the page returned from the sitemap
// before setting page authorisation flag (since checkSession checks page level
// access by checking $_SESSION["pageAccess"][$_SERVER["PHP_SELF"] ie. without querystring(?)
$paramStart=strpos($page, '?');
if ($paramStart !== false) {
$accessPage = substr($page, 0, $paramStart);
} else {
$accessPage = $page;
}
$_SESSION['pageAccess'][$accessPage] = true;
// if we have a querystring add it on
if (strlen($queryString) > 0) {
$page .= ($paramStart !== false)?'&':'?';
$page .= $queryString;
$default->log->info("control.php: about to redirect to $page");
}
redirect($page);
}
?>