Unverified Commit f4150321 authored by Alex Pott's avatar Alex Pott
Browse files

task: #3592099 Add tests for SA-CORE-2021-002 

By: prudloff
By: smustgrave
By: alexpott
By: Jasu_M
By: mlhess
By: pwolanin
By: xjm
By: samuel.mortenson
By: nwellnhof
By: effulgentsia
By: larowlan
By: phenaproxima
By: mcdruid
(cherry picked from commit b76ac239)
parent 98195bc6

core/tests/Drupal/Tests/Component/Utility/XssTest.php

+198 −4
Original line number Diff line number Diff line
@@ -492,41 +492,49 @@ public function testQuestionSign(): void { 
   * @legacy-covers ::attributes

   */

  #[DataProvider('providerTestAttributes')]

  public function testAttribute($value, $expected, $message, $allowed_tags = NULL): void {

  public function testAttribute(string $value, string $expected_non_normalized, string $expected_normalized, string $message, ?array $allowed_tags = NULL): void {

    $value = Xss::filter($value, $allowed_tags);

    $this->assertEquals($expected, $value, $message);

    $normalized_value = Html::normalize($value);



    $this->assertSame($expected_normalized, $normalized_value);

    $this->assertSame($expected_non_normalized, $value);

  }



  /**

   * Data provider for testFilterXssAdminNotNormalized().

   * Data provider for testAttribute().

   */

  public static function providerTestAttributes(): array {

    return [

    $scenarios = [

      [

        '<img src="http://example.com/foo.jpg" title="Example: title" alt="Example: alt" class="md:block">',

        '<img src="http://example.com/foo.jpg" title="Example: title" alt="Example: alt" class="md:block">',

        '<img src="http://example.com/foo.jpg" title="Example: title" alt="Example: alt" class="md:block">',

        'Image tag with alt and title attribute',

        ['img'],

      ],

      [

        '<a href="https://www.drupal.org/" rel="dc:publisher">Drupal</a>',

        '<a href="https://www.drupal.org/" rel="dc:publisher">Drupal</a>',

        '<a href="https://www.drupal.org/" rel="dc:publisher">Drupal</a>',

        'Link tag with rel attribute',

        ['a'],

      ],

      [

        '<span property="dc:subject">Drupal 8: The best release ever.</span>',

        '<span property="dc:subject">Drupal 8: The best release ever.</span>',

        '<span property="dc:subject">Drupal 8: The best release ever.</span>',

        'Span tag with property attribute',

        ['span'],

      ],

      [

        '<img src="http://example.com/foo.jpg" data-caption="Drupal 8: The best release ever.">',

        '<img src="http://example.com/foo.jpg" data-caption="Drupal 8: The best release ever.">',

        '<img src="http://example.com/foo.jpg" data-caption="Drupal 8: The best release ever.">',

        'Image tag with data attribute',

        ['img'],

      ],

      [

        '<a data-a2a-url="foo"></a>',

        '<a data-a2a-url="foo"></a>',

        '<a data-a2a-url="foo"></a>',

        'Link tag with numeric data attribute',
@@ -535,40 +543,226 @@ public static function providerTestAttributes(): array { 
      [

        '<img src= onmouseover="script(\'alert\');">',

        '<img>',

        '<img>',

        'Image tag with malformed SRC',

        ['img'],

      ],

      [

        'Body"></iframe><img/src="x"/onerror="alert(document.domain)"/><"',

        'Body"&gt;<img />&lt;"',

        'Body"&gt;<img>&lt;"',

        'Image tag with malformed SRC',

        ['img'],

      ],

      [

        '<img/src="x"/onerror="alert(document.domain)"/>',

        '<img />',

        '<img>',

        'Image tag with malformed SRC',

        ['img'],

      ],

      [

        '<del datetime="1789-08-22T12:30:00.1-04:00">deleted text</del>',

        '<del datetime="1789-08-22T12:30:00.1-04:00">deleted text</del>',

        '<del datetime="1789-08-22T12:30:00.1-04:00">deleted text</del>',

        'Del with datetime attribute',

        ['del'],

      ],

      [

        '<ins datetime="1986-01-28 11:38:00.010">inserted text</ins>',

        '<ins datetime="1986-01-28 11:38:00.010">inserted text</ins>',

        '<ins datetime="1986-01-28 11:38:00.010">inserted text</ins>',

        'Ins with datetime attribute',

        ['ins'],

      ],

      [

        '<time datetime="1978-11-19T05:00:00Z">#DBD</time>',

        '<time datetime="1978-11-19T05:00:00Z">#DBD</time>',

        '<time datetime="1978-11-19T05:00:00Z">#DBD</time>',

        'Time with datetime attribute',

        ['time'],

      ],

      [

        '<a -dummy=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a>I\'m magic, click me!</a>',

        '<a>I\'m magic, click me!</a>',

        'Link tag with an attribute starting with -',

        ['a'],

      ],

      [

        '<a class="good" -dummy=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a class="good">I\'m magic, click me!</a>',

        '<a class="good">I\'m magic, click me!</a>',

        'Link tag with an attribute starting with - and a valid attribute before',

        ['a'],

      ],

      [

        '<a -dummy=\': href=javascript:alert("oh\x20no")//\' class="good">I\'m magic, click me!</a>',

        '<a class="good">I\'m magic, click me!</a>',

        '<a class="good">I\'m magic, click me!</a>',

        'Link tag with an attribute starting with - and a valid attribute afterwards',

        ['a'],

      ],

      [

        '<a _dummy=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a dummy=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a dummy=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with a bogus attribute starting with _',

        ['a'],

      ],

      [

        '<a _href=\'javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a href=\'alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a href="alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with an attribute starting with _',

        ['a'],

      ],

      [

        '<a class="good" _dummy=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a class="good" dummy=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a class="good" dummy=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with an attribute starting with _ and a valid attribute before',

        ['a'],

      ],

      [

        '<a _dummy=\': href=javascript:alert("oh\x20no")//\' class="good">I\'m magic, click me!</a>',

        '<a dummy=\': href=javascript:alert(&quot;oh\x20no&quot;)//\' class="good">I\'m magic, click me!</a>',

        '<a dummy=": href=javascript:alert(&quot;oh\x20no&quot;)//" class="good">I\'m magic, click me!</a>',

        'Link tag with an attribute starting with _ and a valid attribute afterwards',

        ['a'],

      ],

      [

        '<a :dummy=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a dummy=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a dummy=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with an attribute starting with :',

        ['a'],

      ],

      [

        '<a class="good" :dummy=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a class="good" dummy=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a class="good" dummy=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with an attribute starting with : and a valid attribute before',

        ['a'],

      ],

      [

        '<a :dummy=\': href=javascript:alert("oh\x20no")//\' class="good">I\'m magic, click me!</a>',

        '<a dummy=\': href=javascript:alert(&quot;oh\x20no&quot;)//\' class="good">I\'m magic, click me!</a>',

        '<a dummy=": href=javascript:alert(&quot;oh\x20no&quot;)//" class="good">I\'m magic, click me!</a>',

        'Link tag with an attribute starting with : and a valid attribute afterwards',

        ['a'],

      ],

      [

        '<a .dummy=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a dummy=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a dummy=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with an attribute starting with .',

        ['a'],

      ],

      [

        '<a class="good" .dummy=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a class="good" dummy=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a class="good" dummy=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with an attribute starting with . and a valid attribute before',

        ['a'],

      ],

      [

        '<a .dummy=\': href=javascript:alert("oh\x20no")//\' class="good">I\'m magic, click me!</a>',

        '<a dummy=\': href=javascript:alert(&quot;oh\x20no&quot;)//\' class="good">I\'m magic, click me!</a>',

        '<a dummy=": href=javascript:alert(&quot;oh\x20no&quot;)//" class="good">I\'m magic, click me!</a>',

        'Link tag with an attribute starting with . and a valid attribute afterwards',

        ['a'],

      ],

    ];

    for ($attr_name_length = 96; $attr_name_length < 103; $attr_name_length++) {

      $attr_name = str_repeat('z', $attr_name_length);



      $scenarios[] = [

        '<a ' . $attr_name . '-x=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a>I\'m magic, click me!</a>',

        '<a>I\'m magic, click me!</a>',

        'Link tag with a long attribute containing -',

        ['a'],

      ];

      $scenarios[] = [

        '<a class="good" ' . $attr_name . '-x=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a class="good">I\'m magic, click me!</a>',

        '<a class="good">I\'m magic, click me!</a>',

        'Link tag with a long attribute containing - and a valid attribute before',

        ['a'],

      ];

      $scenarios[] = [

        '<a ' . $attr_name . '-x=\': href=javascript:alert("oh\x20no")//\' class="good">I\'m magic, click me!</a>',

        '<a class="good">I\'m magic, click me!</a>',

        '<a class="good">I\'m magic, click me!</a>',

        'Link tag with a long attribute containing - and a valid attribute afterwards',

        ['a'],

      ];

      $scenarios[] = [

        '<a ' . $attr_name . '_x=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a x=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a x=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with a long attribute containing _',

        ['a'],

      ];

      $scenarios[] = [

        '<a class="good" ' . $attr_name . '_x=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a class="good" x=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a class="good" x=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with a long attribute containing _ and a valid attribute before',

        ['a'],

      ];

      $scenarios[] = [

        '<a ' . $attr_name . '_x=\': href=javascript:alert("oh\x20no")//\' class="good">I\'m magic, click me!</a>',

        '<a x=\': href=javascript:alert(&quot;oh\x20no&quot;)//\' class="good">I\'m magic, click me!</a>',

        '<a x=": href=javascript:alert(&quot;oh\x20no&quot;)//" class="good">I\'m magic, click me!</a>',

        'Link tag with a long attribute containing _ and a valid attribute afterwards',

        ['a'],

      ];

      $scenarios[] = [

        '<a ' . $attr_name . ':x=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a x=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a x=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with a long attribute containing :',

        ['a'],

      ];

      $scenarios[] = [

        '<a class="good" ' . $attr_name . ':x=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a class="good" x=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a class="good" x=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with a long attribute containing : and a valid attribute before',

        ['a'],

      ];

      $scenarios[] = [

        '<a ' . $attr_name . ':x=\': href=javascript:alert("oh\x20no")//\' class="good">I\'m magic, click me!</a>',

        '<a x=\': href=javascript:alert(&quot;oh\x20no&quot;)//\' class="good">I\'m magic, click me!</a>',

        '<a x=": href=javascript:alert(&quot;oh\x20no&quot;)//" class="good">I\'m magic, click me!</a>',

        'Link tag with a long attribute containing : and a valid attribute afterwards',

        ['a'],

      ];

      $scenarios[] = [

        '<a ' . $attr_name . '.x=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a x=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a x=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with a long attribute containing .',

        ['a'],

      ];

      $scenarios[] = [

        '<a class="good" ' . $attr_name . '.x=\': href=javascript:alert("oh\x20no")//\'>I\'m magic, click me!</a>',

        '<a class="good" x=\': href=javascript:alert(&quot;oh\x20no&quot;)//\'>I\'m magic, click me!</a>',

        '<a class="good" x=": href=javascript:alert(&quot;oh\x20no&quot;)//">I\'m magic, click me!</a>',

        'Link tag with a long attribute containing . and a valid attribute before',

        ['a'],

      ];

      $scenarios[] = [

        '<a ' . $attr_name . '.x=\': href=javascript:alert("oh\x20no")//\' class="good">I\'m magic, click me!</a>',

        '<a x=\': href=javascript:alert(&quot;oh\x20no&quot;)//\' class="good">I\'m magic, click me!</a>',

        '<a x=": href=javascript:alert(&quot;oh\x20no&quot;)//" class="good">I\'m magic, click me!</a>',

        'Link tag with a long attribute containing . and a valid attribute afterwards',

        ['a'],

      ];

    }

    return $scenarios;

  }



  /**