Extract creating stream context to createStreamContext() method

 uphpCAS.php

@@ -130,8 +130,8 @@
        return $cafile;
    }
    
    public function verifyTicket($ticket) {
        $context = array(
    protected function createStreamContext($hostname) {
        $context = stream_context_create(array(
            'http' => array(
                'method' => 'GET',
                'user_agent' => 'uphpCAS/'.self::VERSION,
@@ -144,20 +144,29 @@
                'allow_self_signed' => FALSE,
                'disable_compression' => TRUE,
            ),
        );
        ));
        
        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'] = $url['host'];
            stream_context_set_option($context, array(
                'ssl' => array(
                    'cafile' => $this->findCaFile(),
                    'ciphers' => 'ECDH:DH:AES:CAMELLIA:!SSLv2:!aNULL:!eNULL'
                        .':!EXPORT:!DES:!3DES:!MD5:!RC4:!ADH:!PSK:!SRP',
                    'CN_match' => $hostname,
                ),
            ));
        }
		
        return $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');
        }