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<?php
/**
* Tests several functions which are used to prevent xss attacks
*
* @package test.util
*/
use PHPUnit\Framework\TestCase;
require_once('include/text.php');
class AntiXSSTest extends TestCase {
/**
* Test, that tags are escaped
*/
public function testEscapeTags() {
$invalidstring='<submit type="button" onclick="alert(\'failed!\');" />';
$validstring=notags($invalidstring);
$escapedString=escape_tags($invalidstring);
$this->assertEquals('[submit type="button" onclick="alert(\'failed!\');" /]', $validstring);
$this->assertEquals("<submit type="button" onclick="alert('failed!');" />", $escapedString);
}
/**
* Test escaping URL's to make them safe for use in html and attributes.
*
* @dataProvider urlTestProvider
*/
public function testEscapeURL($url, $expected) : void {
$this->assertEquals($expected, escape_url($url));
}
public function urlTestProvider() : array {
return [
[
"https://example.com/settings/calendar/?f=&rpath=https://example.com/cdav/calendar'><script>alert('boom')</script>",
"https://example.com/settings/calendar/?f=&rpath=https://example.com/cdav/calendar'><script>alert('boom')</script>"
],
[
"settings/calendar/?f=&rpath=https://example.com'+accesskey=x+onclick=alert(/boom/);a='",
"settings/calendar/?f=&rpath=https://example.com'+accesskey=x+onclick=alert(/boom/);a='"
],
];
}
/**
* Test xmlify and unxmlify
*/
public function testXmlify() {
$text="<tag>I want to break\n this!11!<?hard?></tag>";
$xml=xmlify($text);
$retext=unxmlify($text);
$this->assertEquals($text, $retext);
}
/**
* Test xmlify and put in a document
*/
public function testXmlifyDocument() {
$tag="<tag>I want to break</tag>";
$xml=xmlify($tag);
$text='<text>'.$xml.'</text>';
$xml_parser=xml_parser_create();
//should be possible to parse it
$values=array();
$index=array();
$this->assertEquals(1, xml_parse_into_struct($xml_parser, $text, $values, $index));
$this->assertEquals(array('TEXT'=>array(0)),
$index);
$this->assertEquals(array(array('tag'=>'TEXT', 'type'=>'complete', 'level'=>1, 'value'=>$tag)),
$values);
xml_parser_free($xml_parser);
}
/**
* Test hex2bin and reverse
*/
public function testHex2Bin() {
$this->assertEquals(-3, hex2bin(bin2hex(-3)));
$this->assertEquals(0, hex2bin(bin2hex(0)));
$this->assertEquals(12, hex2bin(bin2hex(12)));
$this->assertEquals(PHP_INT_MAX, hex2bin(bin2hex(PHP_INT_MAX)));
}
//function qp, quick and dirty??
//get_mentions
//get_contact_block, bis Zeile 538
}
?>
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