From 8e8f55458c849c63089fb2847b518940a16e748f Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <jkowalsk@student.agh.edu.pl>
Date: Fri, 04 Sep 2015 23:37:06 +0000
Subject: [PATCH] Allow configuration of CAS response method and CA file location
---
uphpCAS.php | 61 +++++++++++++++++++++++++-----
1 files changed, 50 insertions(+), 11 deletions(-)
diff --git a/uphpCAS.php b/uphpCAS.php
index c67e7a4..955d204 100644
--- a/uphpCAS.php
+++ b/uphpCAS.php
@@ -14,6 +14,8 @@
protected $serverUrl = '';
protected $serviceUrl;
protected $sessionName = 'uphpCAS-user';
+ protected $method = 'POST';
+ protected $caFile = NULL;
function __construct($serverUrl = NULL, $serviceUrl = NULL, $sessionName = NULL) {
if($serverUrl != NULL) {
@@ -28,6 +30,10 @@
if($sessionName) {
$this->sessionName = $sessionName;
+ }
+
+ if(version_compare(PHP_VERSION, '5.6', '<')) {
+ $this->caFile = $this->findCaFile();
}
}
@@ -51,6 +57,8 @@
$url .= ':'.$port;
}
$url .= $_SERVER['REQUEST_URI'];
+
+ return $url;
}
public function getServerUrl() {
@@ -74,12 +82,35 @@
$this->sessionName = $sessionName;
}
+ public function getMethod() {
+ return $this->method;
+ }
+ public function setMethod($method) {
+ if($method != 'GET' && $method != 'POST') {
+ throw new DomainException('Unsupported CAS response'
+ .' method: '.$method);
+ }
+ $this->method = $method;
+ }
+
+ public function getCaFile() {
+ return $this->caFile;
+ }
+ public function setCaFile($caFile) {
+ if(!is_file($caFile)) {
+ throw new DomainException('Invalid CA file: '.$caFile);
+ }
+ $this->caFile = $caFile;
+ }
+
public function loginUrl() {
- return $this->serverUrl.'/login?method=POST&service='.urlencode($this->serviceUrl);
+ return $this->serverUrl.'/login?method='.$this->method
+ .'&service='.urlencode($this->serviceUrl);
}
public function logoutUrl($returnUrl = NULL) {
- return $this->serverUrl.'/logout'.($returnUrl ? '?service='.urlencode($returnUrl) : '');
+ return $this->serverUrl.'/logout'
+ .($returnUrl ? '?service='.urlencode($returnUrl) : '');
}
public function logout($returnUrl = NULL) {
@@ -130,7 +161,7 @@
return $cafile;
}
- public function verifyTicket($ticket) {
+ protected function createStreamContext($hostname) {
$context = array(
'http' => array(
'method' => 'GET',
@@ -146,18 +177,26 @@
),
);
- if(version_compare(PHP_VERSION, '5.6', '<')) {
- $url = parse_url($this->serverUrl);
- $context['ssl']['cafile'] = $this->findCaFile();
- $context['ssl']['ciphers'] = 'ECDH:DH:AES:CAMELLIA:!SSLv2:!aNULL'
- .':!eNULL:!EXPORT:!DES:!3DES:!MD5:!RC4:!ADH:!PSK:!SRP';
- $context['ssl']['CN_match'] = $url['host'];
+ if($this->caFile) {
+ $context['ssl']['cafile'] = $this->caFile;
}
+
+ if(version_compare(PHP_VERSION, '5.6', '<')) {
+ $context['ssl']['ciphers'] = 'ECDH:DH:AES:CAMELLIA:!SSLv2:!aNULL'
+ .':!eNULL:!EXPORT:!DES:!3DES:!MD5:!RC4:!ADH:!PSK:!SRP';
+ $context['ssl']['CN_match'] = $hostname;
+ }
+
+ return stream_context_create($context);
+ }
+
+ public function verifyTicket($ticket) {
+ $url = parse_url($this->serverUrl);
+ $context = $this->createStreamContext($url['host']);
$data = file_get_contents($this->serverUrl
.'/serviceValidate?service='.urlencode($this->serviceUrl)
- .'&ticket='.urlencode($ticket),
- FALSE, stream_context_create($context));
+ .'&ticket='.urlencode($ticket), FALSE, $context);
if($data === FALSE) {
throw new JasigException('Authentication error: CAS server is unavailable');
}
--
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