randomMachineName();
$path = "";
$encoded_path = "3CSCRIPT%3Ealert%28%27XSS%27%29%3C/SCRIPT%3E";
$link = \Drupal::l($text, Url::fromUserInput('/' . $path));
$this->assertTrue(strpos($link, $encoded_path) !== FALSE && strpos($link, $path) === FALSE, format_string('XSS attack @path was filtered by \Drupal\Core\Utility\LinkGeneratorInterface::generate().', ['@path' => $path]));
// Test \Drupal\Core\Url.
$link = Url::fromUri('base:' . $path)->toString();
$this->assertTrue(strpos($link, $encoded_path) !== FALSE && strpos($link, $path) === FALSE, format_string('XSS attack @path was filtered by #theme', ['@path' => $path]));
}
/**
* Tests that #type=link bubbles outbound route/path processors' metadata.
*/
public function testLinkBubbleableMetadata() {
$cases = [
['Regular link', 'internal:/user', [], ['contexts' => [], 'tags' => [], 'max-age' => Cache::PERMANENT], []],
['Regular link, absolute', 'internal:/user', ['absolute' => TRUE], ['contexts' => ['url.site'], 'tags' => [], 'max-age' => Cache::PERMANENT], []],
['Route processor link', 'route:system.run_cron', [], ['contexts' => ['session'], 'tags' => [], 'max-age' => Cache::PERMANENT], ['placeholders' => []]],
['Route processor link, absolute', 'route:system.run_cron', ['absolute' => TRUE], ['contexts' => ['url.site', 'session'], 'tags' => [], 'max-age' => Cache::PERMANENT], ['placeholders' => []]],
['Path processor link', 'internal:/user/1', [], ['contexts' => [], 'tags' => ['user:1'], 'max-age' => Cache::PERMANENT], []],
['Path processor link, absolute', 'internal:/user/1', ['absolute' => TRUE], ['contexts' => ['url.site'], 'tags' => ['user:1'], 'max-age' => Cache::PERMANENT], []],
];
foreach ($cases as $case) {
list($title, $uri, $options, $expected_cacheability, $expected_attachments) = $case;
$expected_cacheability['contexts'] = Cache::mergeContexts($expected_cacheability['contexts'], ['languages:language_interface', 'theme', 'user.permissions']);
$link = [
'#type' => 'link',
'#title' => $title,
'#options' => $options,
'#url' => Url::fromUri($uri),
];
\Drupal::service('renderer')->renderRoot($link);
$this->pass($title);
$this->assertEqual($expected_cacheability, $link['#cache']);
$this->assertEqual($expected_attachments, $link['#attached']);
}
}
/**
* Tests that default and custom attributes are handled correctly on links.
*/
public function testLinkAttributes() {
/** @var \Drupal\Core\Render\RendererInterface $renderer */
$renderer = $this->container->get('renderer');
// Test that hreflang is added when a link has a known language.
$language = new Language(['id' => 'fr', 'name' => 'French']);
$hreflang_link = [
'#type' => 'link',
'#options' => [
'language' => $language,
],
'#url' => Url::fromUri('https://www.drupal.org'),
'#title' => 'bar',
];
$langcode = $language->getId();
// Test that the default hreflang handling for links does not override a
// hreflang attribute explicitly set in the render array.
$hreflang_override_link = $hreflang_link;
$hreflang_override_link['#options']['attributes']['hreflang'] = 'foo';
$rendered = $renderer->renderRoot($hreflang_link);
$this->assertTrue($this->hasAttribute('hreflang', $rendered, $langcode), format_string('hreflang attribute with value @langcode is present on a rendered link when langcode is provided in the render array.', ['@langcode' => $langcode]));
$rendered = $renderer->renderRoot($hreflang_override_link);
$this->assertTrue($this->hasAttribute('hreflang', $rendered, 'foo'), format_string('hreflang attribute with value @hreflang is present on a rendered link when @hreflang is provided in the render array.', ['@hreflang' => 'foo']));
// Test the active class in links produced by
// \Drupal\Core\Utility\LinkGeneratorInterface::generate() and #type 'link'.
$options_no_query = [];
$options_query = [
'query' => [
'foo' => 'bar',
'one' => 'two',
],
];
$options_query_reverse = [
'query' => [
'one' => 'two',
'foo' => 'bar',
],
];
// Test #type link.
$path = 'common-test/type-link-active-class';
$this->drupalGet($path, $options_no_query);
$links = $this->xpath('//a[@href = :href and contains(@class, :class)]', [':href' => Url::fromRoute('common_test.l_active_class', [], $options_no_query)->toString(), ':class' => 'is-active']);
$this->assertTrue(isset($links[0]), 'A link generated by the link generator to the current page is marked active.');
$links = $this->xpath('//a[@href = :href and not(contains(@class, :class))]', [':href' => Url::fromRoute('common_test.l_active_class', [], $options_query)->toString(), ':class' => 'is-active']);
$this->assertTrue(isset($links[0]), 'A link generated by the link generator to the current page with a query string when the current page has no query string is not marked active.');
$this->drupalGet($path, $options_query);
$links = $this->xpath('//a[@href = :href and contains(@class, :class)]', [':href' => Url::fromRoute('common_test.l_active_class', [], $options_query)->toString(), ':class' => 'is-active']);
$this->assertTrue(isset($links[0]), 'A link generated by the link generator to the current page with a query string that matches the current query string is marked active.');
$links = $this->xpath('//a[@href = :href and contains(@class, :class)]', [':href' => Url::fromRoute('common_test.l_active_class', [], $options_query_reverse)->toString(), ':class' => 'is-active']);
$this->assertTrue(isset($links[0]), 'A link generated by the link generator to the current page with a query string that has matching parameters to the current query string but in a different order is marked active.');
$links = $this->xpath('//a[@href = :href and not(contains(@class, :class))]', [':href' => Url::fromRoute('common_test.l_active_class', [], $options_no_query)->toString(), ':class' => 'is-active']);
$this->assertTrue(isset($links[0]), 'A link generated by the link generator to the current page without a query string when the current page has a query string is not marked active.');
// Test adding a custom class in links produced by
// \Drupal\Core\Utility\LinkGeneratorInterface::generate() and #type 'link'.
// Test the link generator.
$class_l = $this->randomMachineName();
$link_l = \Drupal::l($this->randomMachineName(), new Url('', [], ['attributes' => ['class' => [$class_l]]]));
$this->assertTrue($this->hasAttribute('class', $link_l, $class_l), format_string('Custom class @class is present on link when requested by l()', ['@class' => $class_l]));
// Test #type.
$class_theme = $this->randomMachineName();
$type_link = [
'#type' => 'link',
'#title' => $this->randomMachineName(),
'#url' => Url::fromRoute(''),
'#options' => [
'attributes' => [
'class' => [$class_theme],
],
],
];
$link_theme = $renderer->renderRoot($type_link);
$this->assertTrue($this->hasAttribute('class', $link_theme, $class_theme), format_string('Custom class @class is present on link when requested by #type', ['@class' => $class_theme]));
}
/**
* Tests that link functions support render arrays as 'text'.
*/
public function testLinkRenderArrayText() {
/** @var \Drupal\Core\Render\RendererInterface $renderer */
$renderer = $this->container->get('renderer');
// Build a link with the link generator for reference.
$l = \Drupal::l('foo', Url::fromUri('https://www.drupal.org'));
// Test a renderable array passed to the link generator.
$renderer->executeInRenderContext(new RenderContext(), function () use ($renderer, $l) {
$renderable_text = ['#markup' => 'foo'];
$l_renderable_text = \Drupal::l($renderable_text, Url::fromUri('https://www.drupal.org'));
$this->assertEqual($l_renderable_text, $l);
});
// Test a themed link with plain text 'text'.
$type_link_plain_array = [
'#type' => 'link',
'#title' => 'foo',
'#url' => Url::fromUri('https://www.drupal.org'),
];
$type_link_plain = $renderer->renderRoot($type_link_plain_array);
$this->assertEqual($type_link_plain, $l);
// Build a themed link with renderable 'text'.
$type_link_nested_array = [
'#type' => 'link',
'#title' => ['#markup' => 'foo'],
'#url' => Url::fromUri('https://www.drupal.org'),
];
$type_link_nested = $renderer->renderRoot($type_link_nested_array);
$this->assertEqual($type_link_nested, $l);
}
/**
* Checks for class existence in link.
*
* @param $link
* URL to search.
* @param $class
* Element class to search for.
*
* @return bool
* TRUE if the class is found, FALSE otherwise.
*/
private function hasAttribute($attribute, $link, $class) {
return preg_match('|' . $attribute . '="([^\"\s]+\s+)*' . $class . '|', $link);
}
/**
* Tests UrlHelper::filterQueryParameters().
*/
public function testDrupalGetQueryParameters() {
$original = [
'a' => 1,
'b' => [
'd' => 4,
'e' => [
'f' => 5,
],
],
'c' => 3,
];
// First-level exclusion.
$result = $original;
unset($result['b']);
$this->assertEqual(UrlHelper::filterQueryParameters($original, ['b']), $result, "'b' was removed.");
// Second-level exclusion.
$result = $original;
unset($result['b']['d']);
$this->assertEqual(UrlHelper::filterQueryParameters($original, ['b[d]']), $result, "'b[d]' was removed.");
// Third-level exclusion.
$result = $original;
unset($result['b']['e']['f']);
$this->assertEqual(UrlHelper::filterQueryParameters($original, ['b[e][f]']), $result, "'b[e][f]' was removed.");
// Multiple exclusions.
$result = $original;
unset($result['a'], $result['b']['e'], $result['c']);
$this->assertEqual(UrlHelper::filterQueryParameters($original, ['a', 'b[e]', 'c']), $result, "'a', 'b[e]', 'c' were removed.");
}
/**
* Tests UrlHelper::parse().
*/
public function testDrupalParseUrl() {
// Relative, absolute, and external URLs, without/with explicit script path,
// without/with Drupal path.
foreach (['', '/', 'https://www.drupal.org/'] as $absolute) {
foreach (['', 'index.php/'] as $script) {
foreach (['', 'foo/bar'] as $path) {
$url = $absolute . $script . $path . '?foo=bar&bar=baz&baz#foo';
$expected = [
'path' => $absolute . $script . $path,
'query' => ['foo' => 'bar', 'bar' => 'baz', 'baz' => ''],
'fragment' => 'foo',
];
$this->assertEqual(UrlHelper::parse($url), $expected, 'URL parsed correctly.');
}
}
}
// Relative URL that is known to confuse parse_url().
$url = 'foo/bar:1';
$result = [
'path' => 'foo/bar:1',
'query' => [],
'fragment' => '',
];
$this->assertEqual(UrlHelper::parse($url), $result, 'Relative URL parsed correctly.');
// Test that drupal can recognize an absolute URL. Used to prevent attack vectors.
$url = 'https://www.drupal.org/foo/bar?foo=bar&bar=baz&baz#foo';
$this->assertTrue(UrlHelper::isExternal($url), 'Correctly identified an external URL.');
// Test that UrlHelper::parse() does not allow spoofing a URL to force a malicious redirect.
$parts = UrlHelper::parse('forged:http://cwe.mitre.org/data/definitions/601.html');
$this->assertFalse(UrlHelper::isValid($parts['path'], TRUE), '\Drupal\Component\Utility\UrlHelper::isValid() correctly parsed a forged URL.');
}
/**
* Tests external URL handling.
*/
public function testExternalUrls() {
$test_url = 'https://www.drupal.org/';
// Verify external URL can contain a fragment.
$url = $test_url . '#drupal';
$result = Url::fromUri($url)->toString();
$this->assertEqual($url, $result, 'External URL with fragment works without a fragment in $options.');
// Verify fragment can be overridden in an external URL.
$url = $test_url . '#drupal';
$fragment = $this->randomMachineName(10);
$result = Url::fromUri($url, ['fragment' => $fragment])->toString();
$this->assertEqual($test_url . '#' . $fragment, $result, 'External URL fragment is overridden with a custom fragment in $options.');
// Verify external URL can contain a query string.
$url = $test_url . '?drupal=awesome';
$result = Url::fromUri($url)->toString();
$this->assertEqual($url, $result);
// Verify external URL can be extended with a query string.
$url = $test_url;
$query = ['awesome' => 'drupal'];
$result = Url::fromUri($url, ['query' => $query])->toString();
$this->assertSame('https://www.drupal.org/?awesome=drupal', $result);
// Verify query string can be extended in an external URL.
$url = $test_url . '?drupal=awesome';
$query = ['awesome' => 'drupal'];
$result = Url::fromUri($url, ['query' => $query])->toString();
$this->assertEqual('https://www.drupal.org/?drupal=awesome&awesome=drupal', $result);
}
}