From ccc18b4b1cfc754e3367c7a60a4b7d9a71e28cc2 Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Wed, 07 Aug 2019 15:13:32 +0000
Subject: [PATCH] Regenerate session ID before setting authentication data
---
uphpCAS.php | 28 ++++++++++++++++++++++------
1 files changed, 22 insertions(+), 6 deletions(-)
diff --git a/uphpCAS.php b/uphpCAS.php
index 955d204..1633119 100644
--- a/uphpCAS.php
+++ b/uphpCAS.php
@@ -56,7 +56,16 @@
if($port != 0) {
$url .= ':'.$port;
}
+
$url .= $_SERVER['REQUEST_URI'];
+
+ if(isset($_GET['ticket'])) {
+ $pos = max(
+ strrpos($url, '?ticket='),
+ strrpos($url, '&ticket=')
+ );
+ $url = substr($url, 0, $pos);
+ }
return $url;
}
@@ -113,10 +122,14 @@
.($returnUrl ? '?service='.urlencode($returnUrl) : '');
}
+ public function logoutLocal() {
+ @session_start();
+ unset($_SESSION[$this->sessionName]);
+ }
+
public function logout($returnUrl = NULL) {
- session_start();
+ $this->logoutLocal();
if($this->isAuthenticated()) {
- unset($_SESSION[$this->sessionName]);
header('Location: '.$this->logoutUrl($returnUrl));
die();
} elseif($returnUrl) {
@@ -130,11 +143,12 @@
}
public function authenticate() {
- session_start();
+ @session_start();
if($this->isAuthenticated()) {
return $_SESSION[$this->sessionName];
} elseif(isset($_REQUEST['ticket'])) {
$user = $this->verifyTicket($_REQUEST['ticket']);
+ session_regenerate_id();
$_SESSION[$this->sessionName] = $user;
return $user;
} else {
@@ -219,13 +233,15 @@
}
}
} catch(Exception $e) {
- throw new JasigException('Authentication error: CAS server'
- .' response invalid - parse error', 0, $e);
- } finally {
libxml_clear_errors();
libxml_disable_entity_loader($xmlEntityLoader);
libxml_use_internal_errors($xmlInternalErrors);
+ throw new JasigException('Authentication error: CAS server'
+ .' response invalid - parse error', 0, $e);
}
+ libxml_clear_errors();
+ libxml_disable_entity_loader($xmlEntityLoader);
+ libxml_use_internal_errors($xmlInternalErrors);
$failure = $xml->getElementsByTagName('authenticationFailure');
$success = $xml->getElementsByTagName('authenticationSuccess');
--
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