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Code Issues Releases Activity

Got CAS authentication working (basic)

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This commit is contained in:
Adam Zammit
2015-12-18 15:37:15 +11:00
parent 700a74bad8
commit cc0cac2852
1 changed files with 76 additions and 202 deletions
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278
include/limesurvey/admin/login_check_cas.php
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@@ -23,218 +23,92 @@ if(!isset($_SESSION['CASauthenticated']) || (isset($_SESSION['CASauthenticated']
//echo "bla";
// import phpCAS lib
include_once('classes/phpCAS/CAS.php');
include_once("classes/phpCAS/cas_config.php");
if(isset($_GET['user']))
// phpCAS::setDebug();
phpCAS::client(CAS_VERSION_2_0, $casAuthServer,$casAuthPort, $casAuthUri);
phpCAS::setNoCasServerValidation();
if (isset($_REQUEST['action']) && $_REQUEST['action']=='logout')
{
$token = $_GET['token'];
$user = $_GET['user'];
phpCAS::handleLogoutRequests();
//session_unset();
phpCAS::logout();
session_destroy();
session_write_close();
//phpCAS::forceAuthentication();
}
else
{
// force CAS authentication
$auth = phpCAS::forceAuthentication();
$action = getGet('action');
$siddy = getGet('sid');
$get = '?';
if($action!=FALSE)
$get .= "action=".$action."&";
if($siddy!=FALSE)
$get .= "sid=".$siddy."&";
if($user == verifyToken($token) && verifyToken($token) != null)
if($auth)
{
$auth = TRUE;
//setUserRightsCas($user);
$_SESSION['CASauthenticated'] = $auth;
header("Location: admin.php$get");
$query = "SELECT uid, users_name, password, one_time_pw, dateformat, full_name, htmleditormode, questionselectormode, templateeditormode FROM ".db_table_name('users')." WHERE users_name=".$connect->qstr(phpCAS::getUser());
$ADODB_FETCH_MODE = ADODB_FETCH_ASSOC; //Checked
$result = $connect->SelectLimit($query, 1) or safe_die ($query."<br />".$connect->ErrorMsg());
if(!$result)
{
echo "<br />".$connect->ErrorMsg();
}
if ($result->RecordCount() < 1)
{
// wrong or unknown username
$loginsummary = sprintf($clang->gT("No user"))."<br />";
if ($sessionhandler=='db')
{
adodb_session_regenerate_id();
}
else
{
session_regenerate_id();
}
}
else
{
$srow = $result->FetchRow();
$_SESSION['user'] = $srow['users_name'];
$_SESSION['checksessionpost'] = sRandomChars(10);
$_SESSION['loginID'] = $srow['uid'];
$_SESSION['dateformat'] = $srow['dateformat'];
$_SESSION['htmleditormode'] = $srow['htmleditormode'];
$_SESSION['questionselectormode'] = $srow['questionselectormode'];
$_SESSION['templateeditormode'] = $srow['templateeditormode'];
$_SESSION['full_name'] = $srow['full_name'];
GetSessionUserRights($_SESSION['loginID']);
$auth = TRUE;
$_SESSION['CASauthenticated'] = $auth;
//go to queXS
$loc = "";
if ($_SESSION['USER_RIGHT_SUPERADMIN'] == 1)
$loc = "admin";
else
{
$utest = $connect->GetOne("SELECT username FROM client WHERE username = '" . $_SESSION['user'] . "'");
if (!empty($utest))
$loc = "client";
}
header('Location: ' . QUEXS_URL . $loc);
die();
}
}
else
{
$auth = FALSE;
$_SESSION['CASauthenticated'] = $auth;
header("Location: http://$casAuthServer$casAuthUri&category=auth.login");
}
}elseif(!isset($_SESSION['CASauthenticated']))
{
header("Location: http://$casAuthServer$casAuthUri&category=auth.login");
}
if (isset($_REQUEST['action']) && $_REQUEST['action']=='logout')
{
//session_unset();
session_destroy();
session_write_close();
//phpCAS::logout();
//phpCAS::forceAuthentication();
header("Location: http://$casAuthServer$casAuthUri&category=auth.logout");
}
//if ($action=='login')
if (isset($_REQUEST['action']) && $_REQUEST['action']=='login')
{
//phpCAS::forceAuthentication();
header("Location: http://$casAuthServer$casAuthUri&category=auth.login");
}
if($_SESSION['CASauthenticated']===FALSE)
{
header("Location: http://$casAuthServer$casAuthUri&category=auth.login");
}
}
if(isset($_GET['token']))
{
$action = getGet('action');
$siddy = getGet('sid');
$get = '?';
if($action!=FALSE)
$get .= "action=".$action."&";
if($siddy!=FALSE)
$get .= "sid=".$siddy."&";
header("Location: admin.php$get");
}
function getGet($var)
{
switch ($var){
case "all":
foreach($_GET as $get)
{
return;
}
break;
default:
if(isset($_GET["$var"]))
{
return $_GET["$var"];
}
else return FALSE;
break;
}
}
function verifyToken($token) {
global $singleSignOnService, $singleSignOnSharedSecret;
// check the configuration options in LocalSettings.php
//QISSingleSignOn::checkConfiguration();
//echo ('QISSingleSignOn: token:'.htmlspecialchars($token));
// prepare token
$tokens = explode('/', $token, 4);
if ((count($tokens) != 4) or (strpos($tokens[3], '/') === false)) {
echo ('QISSingleSignOn: Token incomplete:'.htmlspecialchars($token));
return null;
}
// find the _last_ '/' to split username and hash as the username may include '/'-chars.
$temp_pos = strrpos($tokens[3], '/');
$tokens[4] = substr($tokens[3], $temp_pos + 1);
$tokens[3] = substr($tokens[3], 0, $temp_pos);
// check version
if ($tokens[0] != '1.0') {
echo ('QISSingleSignOn: Unknown version:'.htmlspecialchars($tokens));
return null;
}
// check time
$currentTime = microtime();
$currentTime = substr($currentTime, strpos($currentTime, ' '));
if (intval($tokens[1]) > intval($currentTime) + 60) {
echo ('QISSingleSignOn: Token was created in the future (Check your clocks):'.htmlspecialchars($token));
return null;
}
if (intval($tokens[1]) + 60 < intval($currentTime)) {
echo ('QISSingleSignOn: Token expired:'.htmlspecialchars($token));
return null;
}
// check service name
if ($tokens[2] != $singleSignOnService) {
echo ('QISSingleSignOn: Wrong service:'.htmlspecialchars($token));
return null;
}
// check username name (using Title::newFormText as in User::newFromName)
$userinfo = explode('/', urldecode($tokens[3]));
// Andere Methode wie bei tokens: find the _last_ '/' to split username and hash as the username may include '/'-chars.
// $temp_pos = strrpos($tokens[3], '/');
// $userinfo[1] = substr($tokens[3], $temp_pos + 1);
// $userinfo[0] = substr($tokens[3], 0, $temp_pos);
// echo ('QISSingleSignOn: userinfo-0:'.$userinfo[0]."\n");
// echo ('QISSingleSignOn: userinfo-1:'.$userinfo[1]."\n");
//$t = Title::newFromText($userinfo[0]);
$user = $userinfo[0];
if ($user == null) {
echo ('QISSingleSignOn: Invalid character in user name: '.htmlspecialchars($userinfo[0]));
return null;
}
// check hash
$toHash = $tokens[0].'/'.$tokens[1].'/'.$tokens[2].'/'.$tokens[3].'/'.$singleSignOnSharedSecret;
$hash = md5($toHash);
if ($hash != $tokens[4]) {
echo ('QISSingleSignOn: Hash verification failed:'.htmlspecialchars($token).' Should be: ' . $hash);
return null;
}
// copy _ridlist to session for WikiRights (if present)
if (count($userinfo) > -1) {
//session_start();
setUserRightsCas($user, $user);
//$_SESSION['_ridlist'] = $userinfo[1];
}
// welcome, you passed all tests.
return $user;
}
function setUserRightsCas($user, $role="")
{
include_once("../config-defaults.php");
//include("../config.php"); //Not needed since config-defaults includes config.php
$_SESSION['user'] = $user;
$_SESSION['loginID'] = 1;
$_SESSION['dateformat'] = 1;
$_SESSION['adminlang'] = $defaultlang;
$_SESSION['htmleditormode'] = 'default';
$_SESSION['questionselectormode'] = 'default';
$_SESSION['templateeditormode'] = 'default';
$_SESSION['checksessionpost'] = sRandomChars(10);
$_SESSION['pw_notify']=false;
switch ($role){
case "admin":
//echo "hallo";
$_SESSION['USER_RIGHT_CREATE_SURVEY'] = 1;
$_SESSION['USER_RIGHT_CONFIGURATOR'] = 1;
$_SESSION['USER_RIGHT_CREATE_USER'] = 1;
$_SESSION['USER_RIGHT_DELETE_USER'] = 1;
$_SESSION['USER_RIGHT_SUPERADMIN'] = 1;
$_SESSION['USER_RIGHT_MANAGE_TEMPLATE'] = 1;
$_SESSION['USER_RIGHT_MANAGE_LABEL'] = 1;
break;
default:
//echo "default";
$_SESSION['USER_RIGHT_CREATE_SURVEY'] = 1;
$_SESSION['USER_RIGHT_CONFIGURATOR'] = 1;
$_SESSION['USER_RIGHT_CREATE_USER'] = 0;
$_SESSION['USER_RIGHT_DELETE_USER'] = 0;
$_SESSION['USER_RIGHT_SUPERADMIN'] = 0;
$_SESSION['USER_RIGHT_MANAGE_TEMPLATE'] = 1;
$_SESSION['USER_RIGHT_MANAGE_LABEL'] = 1;
break;
}
}
}