From deadb1b99a2907729028064fde8b2b0996a9fd4b Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <jkowalsk@student.agh.edu.pl>
Date: Thu, 03 Sep 2015 16:46:09 +0000
Subject: [PATCH] Remove unused parameter from getServerUrl method

---
 uphpCAS.php |   48 ++++++++++++++++++++++++++++++++++++++----------
 1 files changed, 38 insertions(+), 10 deletions(-)

diff --git a/uphpCAS.php b/uphpCAS.php
index 63bfc51..9162886 100644
--- a/uphpCAS.php
+++ b/uphpCAS.php
@@ -1,7 +1,7 @@
 <?php
 // Thrown when internal error occurs
 class JasigException extends Exception {}
-// Thrown when CAS server return authentication error
+// Thrown when CAS server returns authentication error
 class JasigAuthException extends JasigException {}
 
 class JasigUser {
@@ -46,10 +46,16 @@
 		}
 	}
 	
+	public function getServerUrl() {
+		return $this->serverUrl;
+	}
 	public function setServerUrl($serverUrl) {
 		$this->serverUrl = $serverUrl;
 	}
 	
+	public function getServiceUrl() {
+		return $this->serviceUrl;
+	}
 	public function setServiceUrl($serviceUrl) {
 		$this->serviceUrl = $serviceUrl;
 	}
@@ -58,8 +64,8 @@
 		return $this->serverUrl.'/login?method=POST&service='.urlencode($this->serviceUrl);
 	}
 	
-	public function logoutUrl() {
-		return $this->serverUrl.'/logout';
+	public function logoutUrl($returnUrl = NULL) {
+		return $this->serverUrl.'/logout'.($returnUrl ? '?service='.urlencode($returnUrl) : '');
 	}
 	
 	public function logout() {
@@ -71,9 +77,13 @@
 		die();
 	}
 	
+	public function isAuthenticated() {
+		return isset($_SESSION['uphpCAS-user']);
+	}
+	
 	public function authenticate() {
 		session_start();
-		if(isset($_SESSION['uphpCAS-user'])) {
+		if($this->isAuthenticated()) {
 			return $_SESSION['uphpCAS-user'];
 		} elseif(isset($_REQUEST['ticket'])) {
 			$user = $this->verifyTicket($_REQUEST['ticket']);
@@ -101,6 +111,27 @@
 			),
 		);
 		
+		if(version_compare(PHP_VERSION, '5.6', '<')) {
+			$cafiles = array(
+				'/etc/ssl/certs/ca-certificates.crt',
+				'/etc/ssl/certs/ca-bundle.crt',
+				'/etc/pki/tls/certs/ca-bundle.crt',
+			);
+			$cafile = NULL;
+			foreach($cafiles as $file) {
+				if(is_file($file)) {
+					$cafile = $file;
+					break;
+				}
+			}
+			
+			$url = parse_url($this->serverUrl);
+			$context['ssl']['cafile'] = $cafile;
+			$context['ssl']['ciphers'] = 'ECDH:DH:AES:CAMELLIA:!SSLv2:!aNULL'
+					.':!eNULL:!EXPORT:!DES:!3DES:!MD5:!RC4:!ADH:!PSK:!SRP';
+			$context['ssl']['CN_match'] = $url['host'];
+		}
+		
 		$data = file_get_contents($this->serverUrl
 					.'/serviceValidate?service='.urlencode($this->serviceUrl)
 					.'&ticket='.urlencode($ticket),
@@ -126,8 +157,7 @@
 						break;
 				}
 			}
-		}
-		catch(Exception $e) {
+		} catch(Exception $e) {
 			throw new JasigException('Authentication error: CAS server'
 					.' response invalid - parse error', 0, $e);
 		} finally {
@@ -161,7 +191,7 @@
 			}
 			
 			$user = trim($user->item(0)->textContent);
-			if(strlen($user)<1) {
+			if(strlen($user) < 1) {
 				throw new JasigException('Authentication error: CAS server'
 						.' response invalid - user value');
 			}
@@ -178,9 +208,7 @@
 			}
 			
 			return $jusr;
-		}
-		else
-		{
+		} else {
 			throw new JasigException('Authentication error: CAS server'
 					.' response invalid - required tag not found');
 		}

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