dshovchko / php_EasyPay

src/Key.php

Indentation +38 added lines, -38 removed lines

@@ -4,60 +4,60 @@
 
 class Key
 {
-    public function __construct() {}
-
-    /**
-     *      Get content of key file
-     *      @param string $fname
-     *      @param string $type
-     *      @return string
-     *      @throws Exception\Runtime
-     */
-    public function get($fname, $type)
-    {
+        public function __construct() {}
+
+        /**
+         *      Get content of key file
+         *      @param string $fname
+         *      @param string $type
+         *      @return string
+         *      @throws Exception\Runtime
+         */
+        public function get($fname, $type)
+        {
         try
         {
-            $this->check_exists($fname);
+                $this->check_exists($fname);
 
-            $key = $this->load($fname);
+                $key = $this->load($fname);
         }
         catch (\Exception $e)
         {
-            throw new Exception\Runtime('The file with the '.$type.' key was '.$e->getMessage().'!', -98);
+                throw new Exception\Runtime('The file with the '.$type.' key was '.$e->getMessage().'!', -98);
         }
 
         return $key;
-    }
-
-    /**
-     *      Check if exist key file
-     *
-     *      @param string $fname
-     *      @throws Exception\Runtime
-     */
-    protected function check_exists($fname)
-    {
+        }
+
+        /**
+         *      Check if exist key file
+         *
+         *      @param string $fname
+         *      @throws Exception\Runtime
+         */
+        protected function check_exists($fname)
+        {
         if ( ! file_exists($fname))
         {
-            throw new Exception\Runtime('not exists');
+                throw new Exception\Runtime('not exists');
         }
-    }
-
-    /**
-     *      Load key file
-     *
-     *      @param string $fname
-     *      @return string
-     *      @throws Exception\Runtime
-     */
-    protected function load($fname)
-    {
+        }
+
+        /**
+         *      Load key file
+         *
+         *      @param string $fname
+         *      @return string
+         *      @throws Exception\Runtime
+         */
+        protected function load($fname)
+        {
         $key = @file_get_contents($fname);
         if ($key === FALSE)
         {
-            throw new Exception\Runtime('not read');
+                throw new Exception\Runtime('not read');
         }
 
         return $key;
-    }
+        }
 }

src/Provider31/Response/ErrorInfo.php

Indentation +12 added lines, -12 removed lines

@@ -15,17 +15,17 @@
 
 final class ErrorInfo extends Response
 {
-	/**
-     *      ErrorInfo constructor
-     *
-     *      @param integer $code Error code
-     *      @param string $message Error message text
-     */
-    public function __construct($code, $message)
-    {
-		parent::__construct();
+        /**
+         *      ErrorInfo constructor
+         *
+         *      @param integer $code Error code
+         *      @param string $message Error message text
+         */
+        public function __construct($code, $message)
+        {
+                parent::__construct();
 
-		$this->setElementValue('StatusCode', $code);
-		$this->setElementValue('StatusDetail', $message);
-	}
+                $this->setElementValue('StatusCode', $code);
+                $this->setElementValue('StatusDetail', $message);
+        }
 }

src/Provider31/Response/Check.php

Indentation +37 added lines, -37 removed lines

@@ -16,41 +16,41 @@
 
 final class Check extends Response
 {
-    /**
-     *      @var \DOMElement
-     */
-    protected $AccountInfo;
-
-	/**
-     *      Check constructor
-     *
-     *      @param AccountInfo $accountinfo account information set
-     */
-    public function __construct(AccountInfo $accountinfo)
-    {
-		parent::__construct();
-
-		$this->setElementValue('StatusCode', 0);
-		$this->setElementValue('StatusDetail', 'checked');
-
-		$this->create_AccountInfo($accountinfo);
-	}
-
-	/**
-     *      Create AccountInfo node with child nodes
-     *
-     *      @param AccountInfo $accountinfo account information set
-     */
-	public function create_AccountInfo($accountinfo)
-	{
-		if (isset($this->AccountInfo)) return;
-
-		$this->AccountInfo = $this->createElement('AccountInfo');
-		$this->Response->appendChild($this->AccountInfo);
-
-		foreach($accountinfo as $parameter=>$value)
-		{
-			$this->AccountInfo->appendChild($this->createElement($parameter, $value));
-		}
-	}
+        /**
+         *      @var \DOMElement
+         */
+        protected $AccountInfo;
+
+        /**
+         *      Check constructor
+         *
+         *      @param AccountInfo $accountinfo account information set
+         */
+        public function __construct(AccountInfo $accountinfo)
+        {
+                parent::__construct();
+
+                $this->setElementValue('StatusCode', 0);
+                $this->setElementValue('StatusDetail', 'checked');
+
+                $this->create_AccountInfo($accountinfo);
+        }
+
+        /**
+         *      Create AccountInfo node with child nodes
+         *
+         *      @param AccountInfo $accountinfo account information set
+         */
+        public function create_AccountInfo($accountinfo)
+        {
+                if (isset($this->AccountInfo)) return;
+
+                $this->AccountInfo = $this->createElement('AccountInfo');
+                $this->Response->appendChild($this->AccountInfo);
+
+                foreach($accountinfo as $parameter=>$value)
+                {
+                        $this->AccountInfo->appendChild($this->createElement($parameter, $value));
+                }
+        }
 }

src/Provider31/Response/Cancel.php

Indentation +31 added lines, -31 removed lines

@@ -15,35 +15,35 @@
 
 final class Cancel extends Response
 {
-    /**
-     *      @var \DOMElement
-     */
-    protected $CancelDate;
-
-	/**
-     *      Cancel constructor
-     *
-     *      @param string $orderdate
-     */
-	public function __construct($canceldate) {
-		parent::__construct();
-
-		$this->setElementValue('StatusCode', 0);
-		$this->setElementValue('StatusDetail', 'checked');
-
-		$this->create_CancelDate($canceldate);
-	}
-
-	/**
-     *      Create CancelDate node
-     *
-     *      @param string $canceldate
-     */
-	public function create_CancelDate($canceldate)
-	{
-		if (isset($this->CancelDate)) return;
-
-		$this->CancelDate = $this->createElement('CancelDate', $canceldate);
-		$this->Response->appendChild($this->CancelDate);
-	}
+        /**
+         *      @var \DOMElement
+         */
+        protected $CancelDate;
+
+        /**
+         *      Cancel constructor
+         *
+         *      @param string $orderdate
+         */
+        public function __construct($canceldate) {
+                parent::__construct();
+
+                $this->setElementValue('StatusCode', 0);
+                $this->setElementValue('StatusDetail', 'checked');
+
+                $this->create_CancelDate($canceldate);
+        }
+
+        /**
+         *      Create CancelDate node
+         *
+         *      @param string $canceldate
+         */
+        public function create_CancelDate($canceldate)
+        {
+                if (isset($this->CancelDate)) return;
+
+                $this->CancelDate = $this->createElement('CancelDate', $canceldate);
+                $this->Response->appendChild($this->CancelDate);
+        }
 }

src/Provider31/Response/Confirm.php

Indentation +32 added lines, -32 removed lines

@@ -15,36 +15,36 @@
 
 final class Confirm extends Response
 {
-    /**
-     *      @var \DOMElement
-     */
-    protected $OrderDate;
-
-	/**
-     *      Confirm constructor
-     *
-     *      @param string $orderdate
-     */
-    public function __construct($orderdate)
-    {
-		parent::__construct();
-
-		$this->setElementValue('StatusCode', 0);
-		$this->setElementValue('StatusDetail', 'checked');
-
-		$this->create_OrderDate($orderdate);
-	}
-
-	/**
-     *      Create OrderDate node
-     *
-     *      @param string $orderdate
-     */
-	public function create_OrderDate($orderdate)
-	{
-		if (isset($this->OrderDate)) return;
-
-		$this->OrderDate = $this->createElement('OrderDate', $orderdate);
-		$this->Response->appendChild($this->OrderDate);
-	}
+        /**
+         *      @var \DOMElement
+         */
+        protected $OrderDate;
+
+        /**
+         *      Confirm constructor
+         *
+         *      @param string $orderdate
+         */
+        public function __construct($orderdate)
+        {
+                parent::__construct();
+
+                $this->setElementValue('StatusCode', 0);
+                $this->setElementValue('StatusDetail', 'checked');
+
+                $this->create_OrderDate($orderdate);
+        }
+
+        /**
+         *      Create OrderDate node
+         *
+         *      @param string $orderdate
+         */
+        public function create_OrderDate($orderdate)
+        {
+                if (isset($this->OrderDate)) return;
+
+                $this->OrderDate = $this->createElement('OrderDate', $orderdate);
+                $this->Response->appendChild($this->OrderDate);
+        }
 }

src/Provider31/Response/Payment.php

Indentation +32 added lines, -32 removed lines

@@ -15,36 +15,36 @@
 
 final class Payment extends Response
 {
-    /**
-     *      @var \DOMElement
-     */
-    protected $PaymentId;
-
-	/**
-     *      Payment constructor
-     *
-     *      @param string $paymentid
-     */
-    public function __construct($paymentid)
-    {
-		parent::__construct();
-
-		$this->setElementValue('StatusCode', 0);
-		$this->setElementValue('StatusDetail', 'checked');
-
-		$this->create_PaymentId($paymentid);
-	}
-
-	/**
-     *      Create PaymentId node
-     *
-     *      @param string $paymentid
-     */
-	public function create_PaymentId($paymentid)
-	{
-		if (isset($this->PaymentId)) return;
-
-		$this->PaymentId = $this->createElement('PaymentId', $paymentid);
-		$this->Response->appendChild($this->PaymentId);
-	}
+        /**
+         *      @var \DOMElement
+         */
+        protected $PaymentId;
+
+        /**
+         *      Payment constructor
+         *
+         *      @param string $paymentid
+         */
+        public function __construct($paymentid)
+        {
+                parent::__construct();
+
+                $this->setElementValue('StatusCode', 0);
+                $this->setElementValue('StatusDetail', 'checked');
+
+                $this->create_PaymentId($paymentid);
+        }
+
+        /**
+         *      Create PaymentId node
+         *
+         *      @param string $paymentid
+         */
+        public function create_PaymentId($paymentid)
+        {
+                if (isset($this->PaymentId)) return;
+
+                $this->PaymentId = $this->createElement('PaymentId', $paymentid);
+                $this->Response->appendChild($this->PaymentId);
+        }
 }

src/Provider31/Request.php

Indentation +30 added lines, -30 removed lines

@@ -15,52 +15,52 @@ 
 
 final class Request
 {
-    /**
-     *      static method to create a specific class of request
-     *
-     *      @return Request\General Request class of the appropriate type
-     *      @throws \EasyPay\Exception\Structure
-     */
-    public static function get()
-    {
+        /**
+         *      static method to create a specific class of request
+         *
+         *      @return Request\General Request class of the appropriate type
+         *      @throws \EasyPay\Exception\Structure
+         */
+        public static function get()
+        {
         $raw = self::get_http_raw_post_data();
 
         $r = new Request\General($raw);
 
         switch ($r->Operation())
         {
-            case 'Check':
+                case 'Check':
                 return new Request\Check($raw);
 
-            case 'Payment':
+                case 'Payment':
                 return new Request\Payment($raw);
 
-            case 'Confirm':
+                case 'Confirm':
                 return new Request\Confirm($raw);
 
-            case 'Cancel';
+                case 'Cancel';
                 return new Request\Cancel($raw);
 
-            default:
+                default:
                 throw new \EasyPay\Exception\Structure('There is not supported value of Operation in xml-request!', -99);
         }
-    }
+        }
 
-    /**
-     *      Get data from the body of the http request
-     *
-     *      - with the appropriate configuration of php.ini they can be found
-     *        in the global variable $HTTP_RAW_POST_DATA
-     *
-     *      - but it's easier just to read the data from the php://input stream,
-     *        which does not depend on the php.ini directives and allows you to read
-     *        raw data from the request body
-     *
-     *      @return string Http raw post data
-     *
-     */
-    private static function get_http_raw_post_data()
-    {
+        /**
+         *      Get data from the body of the http request
+         *
+         *      - with the appropriate configuration of php.ini they can be found
+         *        in the global variable $HTTP_RAW_POST_DATA
+         *
+         *      - but it's easier just to read the data from the php://input stream,
+         *        which does not depend on the php.ini directives and allows you to read
+         *        raw data from the request body
+         *
+         *      @return string Http raw post data
+         *
+         */
+        private static function get_http_raw_post_data()
+        {
         Log::instance()->add('request from ' . $_SERVER['REMOTE_ADDR']);
 
         $raw_request = file_get_contents('php://input');
@@ -70,5 +70,5 @@ 
         Log::instance()->debug(' ');
 
         return $raw_request;
-    }
+        }
 }

src/Provider31/Request/General.php

Indentation +197 added lines, -197 removed lines

@@ -18,108 +18,108 @@ 
 
 class General
 {
-    /**
-     *      @var string raw request
-     */
-    protected $raw_request;
-
-    /**
-     *      @var string 'DateTime' node
-     */
-    protected $DateTime;
-
-    /**
-     *      @var string 'Sign' node
-     */
-    protected $Sign;
-
-    /**
-     *      @var string 'Operation' type
-     */
-    protected $Operation;
-
-    /**
-     *      @var string 'ServiceId' node
-     */
-    protected $ServiceId;
-
-    /**
-     *      @var array list of possible operations
-     */
-    protected $operations = array('Check','Payment','Confirm','Cancel');
-
-    /**
-     *      General constructor
-     *
-     *      @param string $raw Raw request data
-     */
-    public function __construct($raw)
-    {
+        /**
+         *      @var string raw request
+         */
+        protected $raw_request;
+
+        /**
+         *      @var string 'DateTime' node
+         */
+        protected $DateTime;
+
+        /**
+         *      @var string 'Sign' node
+         */
+        protected $Sign;
+
+        /**
+         *      @var string 'Operation' type
+         */
+        protected $Operation;
+
+        /**
+         *      @var string 'ServiceId' node
+         */
+        protected $ServiceId;
+
+        /**
+         *      @var array list of possible operations
+         */
+        protected $operations = array('Check','Payment','Confirm','Cancel');
+
+        /**
+         *      General constructor
+         *
+         *      @param string $raw Raw request data
+         */
+        public function __construct($raw)
+        {
         $this->raw_request = strval($raw);
 
         $this->parse_request_data();
-    }
-
-    /**
-     *      Get DateTime
-     *
-     *      @return string
-     */
-    public function DateTime()
-    {
+        }
+
+        /**
+         *      Get DateTime
+         *
+         *      @return string
+         */
+        public function DateTime()
+        {
         return $this->DateTime;
-    }
-
-    /**
-     *      Get Sign
-     *
-     *      @return string
-     */
-    public function Sign()
-    {
+        }
+
+        /**
+         *      Get Sign
+         *
+         *      @return string
+         */
+        public function Sign()
+        {
         return $this->Sign;
-    }
-
-    /**
-     *      Get Operation type
-     *
-     *      @return string
-     */
-    public function Operation()
-    {
+        }
+
+        /**
+         *      Get Operation type
+         *
+         *      @return string
+         */
+        public function Operation()
+        {
         return $this->Operation;
-    }
-
-    /**
-     *      Get ServiceId
-     *
-     *      @return string
-     */
-    public function ServiceId()
-    {
+        }
+
+        /**
+         *      Get ServiceId
+         *
+         *      @return string
+         */
+        public function ServiceId()
+        {
         return $this->ServiceId;
-    }
-
-    /**
-     *      Parse xml-request, which was previously "extracted" from the body of the http request
-     *
-     *      @throws Exception\Structure
-     */
-    protected function parse_request_data()
-    {
+        }
+
+        /**
+         *      Parse xml-request, which was previously "extracted" from the body of the http request
+         *
+         *      @throws Exception\Structure
+         */
+        protected function parse_request_data()
+        {
         if (empty($this->raw_request))
         {
-            throw new Exception\Structure('An empty xml request', -50);
+                throw new Exception\Structure('An empty xml request', -50);
         }
 
         libxml_use_internal_errors(true);
         $doc = new \DOMDocument();
         if ( ! $doc->loadXML($this->raw_request))
         {
-            foreach(libxml_get_errors() as $e){
+                foreach(libxml_get_errors() as $e){
                 Log::instance()->error($e->message);
-            }
-            throw new Exception\Structure('The wrong XML is received', -51);
+                }
+                throw new Exception\Structure('The wrong XML is received', -51);
         }
 
         // process <Request> group
@@ -127,35 +127,35 @@ 
 
         if (count($r) < 1)
         {
-            throw new Exception\Structure('The xml-query does not contain any element Request!', -52);
+                throw new Exception\Structure('The xml-query does not contain any element Request!', -52);
         }
 
         foreach ($r[0]->childNodes as $child)
         {
-            if ($child->nodeName == 'DateTime')
-            {
+                if ($child->nodeName == 'DateTime')
+                {
                 $this->parse_request_node($child, 'DateTime');
-            }
-            elseif ($child->nodeName == 'Sign')
-            {
+                }
+                elseif ($child->nodeName == 'Sign')
+                {
                 $this->parse_request_node($child, 'Sign');
-            }
-            elseif (in_array($child->nodeName, $this->operations))
-            {
+                }
+                elseif (in_array($child->nodeName, $this->operations))
+                {
                 if ( ! isset($this->Operation))
                 {
-                    $this->Operation = $child->nodeName;
+                        $this->Operation = $child->nodeName;
                 }
                 else
                 {
-                    throw new Exception\Structure('There is more than one Operation type element in the xml-query!', -53);
+                        throw new Exception\Structure('There is more than one Operation type element in the xml-query!', -53);
+                }
                 }
-            }
         }
 
         if ( ! isset($this->Operation))
         {
-            throw new Exception\Structure('There is no Operation type element in the xml request!', -55);
+                throw new Exception\Structure('There is no Operation type element in the xml request!', -55);
         }
 
         // process <Operation> group
@@ -163,42 +163,42 @@ 
 
         foreach ($r[0]->childNodes as $child)
         {
-            if ($child->nodeName == 'ServiceId')
-            {
+                if ($child->nodeName == 'ServiceId')
+                {
                 $this->parse_request_node($child, 'ServiceId');
-            }
+                }
+        }
         }
-    }
-
-    /**
-     *      Parse node of request
-     *
-     *      @param \DOMNode $n
-     *      @param string $name
-     *
-     *      @throws Exception\Structure
-     */
-    protected function parse_request_node($n, $name)
-    {
+
+        /**
+         *      Parse node of request
+         *
+         *      @param \DOMNode $n
+         *      @param string $name
+         *
+         *      @throws Exception\Structure
+         */
+        protected function parse_request_node($n, $name)
+        {
         if ( ! isset($this->$name))
         {
-            $this->$name = $n->nodeValue;
+                $this->$name = $n->nodeValue;
         }
         else
         {
-            throw new Exception\Structure('There is more than one '.$name.' element in the xml-query!', -56);
+                throw new Exception\Structure('There is more than one '.$name.' element in the xml-query!', -56);
         }
-    }
-
-    /**
-     *      "Rough" validation of the received xml request
-     *
-     *      @param array $options
-     *      @throws Exception\Data
-     *      @throws Exception\Structure
-     */
-    public function validate_request($options)
-    {
+        }
+
+        /**
+         *      "Rough" validation of the received xml request
+         *
+         *      @param array $options
+         *      @throws Exception\Data
+         *      @throws Exception\Structure
+         */
+        public function validate_request($options)
+        {
         $this->validate_element('DateTime');
         $this->validate_element('Sign');
         $this->validate_element('ServiceId');
@@ -206,104 +206,104 @@ 
         // compare received value ServiceId with option ServiceId
         if (intval($options['ServiceId']) != intval($this->ServiceId))
         {
-            throw new Exception\Data('This request is not for our ServiceId!', -58);
+                throw new Exception\Data('This request is not for our ServiceId!', -58);
+        }
         }
-    }
-
-    /**
-     *      Validation of xml-element
-     *
-     *      @param string $name
-     */
-    public function validate_element($name)
-    {
+
+        /**
+         *      Validation of xml-element
+         *
+         *      @param string $name
+         */
+        public function validate_element($name)
+        {
         if ( ! isset($this->$name))
         {
-            throw new Exception\Structure('There is no '.$name.' element in the xml request!', -57);
+                throw new Exception\Structure('There is no '.$name.' element in the xml request!', -57);
+        }
         }
-    }
-
-    /**
-     *      Verify signature of request
-     *
-     *      @param array $options
-     */
-    public function verify_sign($options)
-    {
+
+        /**
+         *      Verify signature of request
+         *
+         *      @param array $options
+         */
+        public function verify_sign($options)
+        {
         if (isset($options['UseSign']) && ($options['UseSign'] === true))
         {
-            $this->check_verify_sign_result(
+                $this->check_verify_sign_result(
                 $result = (new OpenSSL())->verify(
-                    str_replace($this->Sign, '', $this->raw_request),
-                    pack("H*", $this->Sign),
-                    (new OpenSSL())->get_pub_key($this->get_pub_key($options))
+                        str_replace($this->Sign, '', $this->raw_request),
+                        pack("H*", $this->Sign),
+                        (new OpenSSL())->get_pub_key($this->get_pub_key($options))
                 )
-            );
+                );
+        }
         }
-    }
-
-    /**
-     *      load file with easysoft public key
-     *
-     *      @param array $options
-     *      @throws Exception\Runtime
-     *      @return string
-     */
-    protected function get_pub_key($options)
-    {
+
+        /**
+         *      load file with easysoft public key
+         *
+         *      @param array $options
+         *      @throws Exception\Runtime
+         *      @return string
+         */
+        protected function get_pub_key($options)
+        {
         if ( ! isset($options['EasySoftPKey']))
         {
-            throw new Exception\Runtime('The parameter EasySoftPKey is not set!', -94);
+                throw new Exception\Runtime('The parameter EasySoftPKey is not set!', -94);
         }
 
         return (new Key())->get($options['EasySoftPKey'], 'public');
-    }
-
-    /**
-     *      check result of openssl verify signature
-     *
-     *      @param integer $result
-     *      @throws Exception\Sign
-     */
-    protected function check_verify_sign_result($result)
-    {
+        }
+
+        /**
+         *      check result of openssl verify signature
+         *
+         *      @param integer $result
+         *      @throws Exception\Sign
+         */
+        protected function check_verify_sign_result($result)
+        {
         if ($result == -1)
         {
-            throw new Exception\Sign('Error verify signature of request!', -96);
+                throw new Exception\Sign('Error verify signature of request!', -96);
         }
         elseif ($result == 0)
         {
-            throw new Exception\Sign('Signature of request is incorrect!', -95);
+                throw new Exception\Sign('Signature of request is incorrect!', -95);
         }
-    }
-
-    /**
-     *      Selects nodes by name
-     *
-     *      @param \DOMDocument $dom
-     *      @param string $name
-     *      @param array $ret
-     *
-     *      @return array nodes with the name
-     */
-    protected function getNodes($dom, $name, $ret=array())
-    {
+        }
+
+        /**
+         *      Selects nodes by name
+         *
+         *      @param \DOMDocument $dom
+         *      @param string $name
+         *      @param array $ret
+         *
+         *      @return array nodes with the name
+         */
+        protected function getNodes($dom, $name, $ret=array())
+        {
         foreach($dom->childNodes as $child)
         {
-            if ($child->nodeName == $name)
-            {
+                if ($child->nodeName == $name)
+                {
                 array_push($ret, $child);
-            }
-            else
-            {
+                }
+                else
+                {
                 if (count($child->childNodes) > 0)
                 {
-                    $ret = $this->getNodes($child, $name, $ret);
+                        $ret = $this->getNodes($child, $name, $ret);
+                }
                 }
-            }
         }
 
         return $ret;
-    }
+        }
 
 }

src/OpenSSL.php

Indentation +53 added lines, -53 removed lines

@@ -4,76 +4,76 @@
 
 class OpenSSL
 {
-    public function __construct() {}
+        public function __construct() {}
 
-    /**
-     *      verify signature of xml
-     *
-     *      @param string $xml
-     *      @param string $bin_sign
-     *      @param resource $pub_key
-     *
-     *      @return integer result of checking
-     */
-    public function verify($xml, $bin_sign, $pub_key)
-    {
+        /**
+         *      verify signature of xml
+         *
+         *      @param string $xml
+         *      @param string $bin_sign
+         *      @param resource $pub_key
+         *
+         *      @return integer result of checking
+         */
+        public function verify($xml, $bin_sign, $pub_key)
+        {
         return @openssl_verify($xml, $bin_sign, $pub_key);
-    }
+        }
 
-    /**
-     *      generate signature of xml
-     *
-     *      @param string $xml
-     *      @param string $sign
-     *      @param resource $priv_key
-     *
-     *      @return bool result of signing
-     */
-    public function sign($xml, &$sign, $priv_key)
-    {
+        /**
+         *      generate signature of xml
+         *
+         *      @param string $xml
+         *      @param string $sign
+         *      @param resource $priv_key
+         *
+         *      @return bool result of signing
+         */
+        public function sign($xml, &$sign, $priv_key)
+        {
         return @openssl_sign($xml, $sign, $priv_key);
-    }
+        }
 
-    /**
-     *      get public key
-     *
-     *      @param mixed $certificate
-     *      @return resource
-     */
-    public function get_pub_key($certificate)
-    {
+        /**
+         *      get public key
+         *
+         *      @param mixed $certificate
+         *      @return resource
+         */
+        public function get_pub_key($certificate)
+        {
         $pub_key = @openssl_pkey_get_public($certificate);
         $this->is_key($pub_key);
 
         return $pub_key;
-    }
+        }
 
-    /**
-     *      get private key
-     *
-     *      @param mixed $certificate
-     *      @return resource
-     */
-    public function get_priv_key($certificate)
-    {
+        /**
+         *      get private key
+         *
+         *      @param mixed $certificate
+         *      @return resource
+         */
+        public function get_priv_key($certificate)
+        {
         $priv_key = @openssl_pkey_get_private($certificate);
         $this->is_key($priv_key);
 
         return $priv_key;
-    }
+        }
 
-    /**
-     *      check key
-     *
-     *      @param resource $key
-     *      @throws Exception\Runtime
-     */
-    public function is_key($key)
-    {
+        /**
+         *      check key
+         *
+         *      @param resource $key
+         *      @throws Exception\Runtime
+         */
+        public function is_key($key)
+        {
         if ($key === FALSE)
         {
-            throw new Exception\Runtime('Can not extract key from certificate!', -97);
+                throw new Exception\Runtime('Can not extract key from certificate!', -97);
+        }
         }
-    }
 
 }