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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace ZendTest\Xml;
use ZendXml\Security as XmlSecurity;
use ZendXml\Exception;
use DOMDocument;
use SimpleXMLElement;
class SecurityTest extends \PHPUnit_Framework_TestCase
{
/**
* @expectedException ZendXml\Exception\RuntimeException
*/
public function testScanForXEE()
{
$xml = <<<XML
<?xml version="1.0"?>
<!DOCTYPE results [<!ENTITY harmless "completely harmless">]>
<results>
<result>This result is &harmless;</result>
</results>
XML;
$this->setExpectedException('ZendXml\Exception\RuntimeException');
$result = XmlSecurity::scan($xml);
}
public function testScanForXXE()
{
$file = tempnam(sys_get_temp_dir(), 'ZendXml_Security');
file_put_contents($file, 'This is a remote content!');
$xml = <<<XML
<?xml version="1.0"?>
<!DOCTYPE root
[
<!ENTITY foo SYSTEM "file://$file">
]>
<results>
<result>&foo;</result>
</results>
XML;
try {
$result = XmlSecurity::scan($xml);
} catch (Exception\RuntimeException $e) {
unlink($file);
return;
}
$this->fail('An expected exception has not been raised.');
}
public function testScanSimpleXmlResult()
{
$result = XmlSecurity::scan($this->getXml());
$this->assertTrue($result instanceof SimpleXMLElement);
$this->assertEquals($result->result, 'test');
}
public function testScanDom()
{
$dom = new DOMDocument('1.0');
$result = XmlSecurity::scan($this->getXml(), $dom);
$this->assertTrue($result instanceof DOMDocument);
$node = $result->getElementsByTagName('result')->item(0);
$this->assertEquals($node->nodeValue, 'test');
}
/**
* @requires PHP 5.4
*/
public function testScanDomHTML()
{
// loadHtml accepts constants in php >= 5.4
// http://php.net/manual/de/domdocument.loadhtml.php
$dom = new DOMDocument('1.0');
$html = <<<HTML
<p>a simple test</p>
HTML;
$constants = LIBXML_HTML_NODEFDTD | LIBXML_HTML_NOIMPLIED;
$result = XmlSecurity::scanHtml($html, $dom, $constants);
$this->assertTrue($result instanceof DOMDocument);
$this->assertEquals($html, trim($result->saveHtml()));
}
public function testScanInvalidXml()
{
$xml = <<<XML
<foo>test</bar>
XML;
$result = XmlSecurity::scan($xml);
$this->assertFalse($result);
}
public function testScanInvalidXmlDom()
{
$xml = <<<XML
<foo>test</bar>
XML;
$dom = new DOMDocument('1.0');
$result = XmlSecurity::scan($xml, $dom);
$this->assertFalse($result);
}
public function testScanFile()
{
$file = tempnam(sys_get_temp_dir(), 'ZendXml_Security');
file_put_contents($file, $this->getXml());
$result = XmlSecurity::scanFile($file);
$this->assertTrue($result instanceof SimpleXMLElement);
$this->assertEquals($result->result, 'test');
unlink($file);
}
public function testScanXmlWithDTD()
{
$xml = <<<XML
<?xml version="1.0"?>
<!DOCTYPE results [
<!ELEMENT results (result+)>
<!ELEMENT result (#PCDATA)>
]>
<results>
<result>test</result>
</results>
XML;
$dom = new DOMDocument('1.0');
$result = XmlSecurity::scan($xml, $dom);
$this->assertTrue($result instanceof DOMDocument);
$this->assertTrue($result->validate());
}
protected function getXml()
{
return <<<XML
<?xml version="1.0"?>
<results>
<result>test</result>
</results>
XML;
}
}
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