--- /dev/null
+<?php
+
+namespace Drupal\Tests\filter\Kernel;
+
+use Drupal\Component\Utility\Html;
+use Drupal\Core\Language\Language;
+use Drupal\Core\Render\RenderContext;
+use Drupal\editor\EditorXssFilter\Standard;
+use Drupal\filter\Entity\FilterFormat;
+use Drupal\filter\FilterPluginCollection;
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Tests Filter module filters individually.
+ *
+ * @group filter
+ */
+class FilterKernelTest extends KernelTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['system', 'filter'];
+
+ /**
+ * @var \Drupal\filter\Plugin\FilterInterface[]
+ */
+ protected $filters;
+
+ protected function setUp() {
+ parent::setUp();
+ $this->installConfig(['system']);
+
+ $manager = $this->container->get('plugin.manager.filter');
+ $bag = new FilterPluginCollection($manager, []);
+ $this->filters = $bag->getAll();
+ }
+
+ /**
+ * Tests the align filter.
+ */
+ public function testAlignFilter() {
+ $filter = $this->filters['filter_align'];
+
+ $test = function($input) use ($filter) {
+ return $filter->process($input, 'und');
+ };
+
+ // No data-align attribute.
+ $input = '<img src="llama.jpg" />';
+ $expected = $input;
+ $this->assertIdentical($expected, $test($input)->getProcessedText());
+
+ // Data-align attribute: all 3 allowed values.
+ $input = '<img src="llama.jpg" data-align="left" />';
+ $expected = '<img src="llama.jpg" class="align-left" />';
+ $this->assertIdentical($expected, $test($input)->getProcessedText());
+ $input = '<img src="llama.jpg" data-align="center" />';
+ $expected = '<img src="llama.jpg" class="align-center" />';
+ $this->assertIdentical($expected, $test($input)->getProcessedText());
+ $input = '<img src="llama.jpg" data-align="right" />';
+ $expected = '<img src="llama.jpg" class="align-right" />';
+ $this->assertIdentical($expected, $test($input)->getProcessedText());
+
+ // Data-align attribute: a disallowed value.
+ $input = '<img src="llama.jpg" data-align="left foobar" />';
+ $expected = '<img src="llama.jpg" />';
+ $this->assertIdentical($expected, $test($input)->getProcessedText());
+
+ // Empty data-align attribute.
+ $input = '<img src="llama.jpg" data-align="" />';
+ $expected = '<img src="llama.jpg" />';
+ $this->assertIdentical($expected, $test($input)->getProcessedText());
+
+ // Ensure the filter also works with uncommon yet valid attribute quoting.
+ $input = '<img src=llama.jpg data-align=right />';
+ $expected = '<img src="llama.jpg" class="align-right" />';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+
+ // Security test: attempt to inject an additional class.
+ $input = '<img src="llama.jpg" data-align="center another-class-here" />';
+ $expected = '<img src="llama.jpg" />';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+
+ // Security test: attempt an XSS.
+ $input = '<img src="llama.jpg" data-align="center \'onclick=\'alert(foo);" />';
+ $expected = '<img src="llama.jpg" />';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ }
+
+ /**
+ * Tests the caption filter.
+ */
+ public function testCaptionFilter() {
+ /** @var \Drupal\Core\Render\RendererInterface $renderer */
+ $renderer = \Drupal::service('renderer');
+ $filter = $this->filters['filter_caption'];
+
+ $test = function($input) use ($filter, $renderer) {
+ return $renderer->executeInRenderContext(new RenderContext(), function () use ($input, $filter) {
+ return $filter->process($input, 'und');
+ });
+ };
+
+ $attached_library = [
+ 'library' => [
+ 'filter/caption',
+ ],
+ ];
+
+ // No data-caption attribute.
+ $input = '<img src="llama.jpg" />';
+ $expected = $input;
+ $this->assertIdentical($expected, $test($input)->getProcessedText());
+
+ // Data-caption attribute.
+ $input = '<img src="llama.jpg" data-caption="Loquacious llama!" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>Loquacious llama!</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+
+ // Empty data-caption attribute.
+ $input = '<img src="llama.jpg" data-caption="" />';
+ $expected = '<img src="llama.jpg" />';
+ $this->assertIdentical($expected, $test($input)->getProcessedText());
+
+ // HTML entities in the caption.
+ $input = '<img src="llama.jpg" data-caption="“Loquacious llama!”" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>“Loquacious llama!”</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+
+ // HTML encoded as HTML entities in data-caption attribute.
+ $input = '<img src="llama.jpg" data-caption="<em>Loquacious llama!</em>" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption><em>Loquacious llama!</em></figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+
+ // HTML (not encoded as HTML entities) in data-caption attribute, which is
+ // not allowed by the HTML spec, but may happen when people manually write
+ // HTML, so we explicitly support it.
+ $input = '<img src="llama.jpg" data-caption="<em>Loquacious llama!</em>" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption><em>Loquacious llama!</em></figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+
+ // Security test: attempt an XSS.
+ $input = '<img src="llama.jpg" data-caption="<script>alert(\'Loquacious llama!\')</script>" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>alert(\'Loquacious llama!\')</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+
+ // Ensure the filter also works with uncommon yet valid attribute quoting.
+ $input = '<img src=llama.jpg data-caption=\'Loquacious llama!\' />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>Loquacious llama!</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+
+ // Finally, ensure that this also works on any other tag.
+ $input = '<video src="llama.jpg" data-caption="Loquacious llama!" />';
+ $expected = '<figure role="group"><video src="llama.jpg"></video><figcaption>Loquacious llama!</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+ $input = '<foobar data-caption="Loquacious llama!">baz</foobar>';
+ $expected = '<figure role="group"><foobar>baz</foobar><figcaption>Loquacious llama!</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+
+ // Ensure the caption filter works for linked images.
+ $input = '<a href="http://example.com/llamas/are/awesome/but/kittens/are/cool/too"><img src="llama.jpg" data-caption="Loquacious llama!" /></a>';
+ $expected = '<figure role="group"><a href="http://example.com/llamas/are/awesome/but/kittens/are/cool/too"><img src="llama.jpg" /></a>' . "\n" . '<figcaption>Loquacious llama!</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+
+ // So far we've tested that the caption filter works correctly. But we also
+ // want to make sure that it works well in tandem with the "Limit allowed
+ // HTML tags" filter, which it is typically used with.
+ $html_filter = $this->filters['filter_html'];
+ $html_filter->setConfiguration([
+ 'settings' => [
+ 'allowed_html' => '<img src data-align data-caption>',
+ 'filter_html_help' => 1,
+ 'filter_html_nofollow' => 0,
+ ]
+ ]);
+ $test_with_html_filter = function ($input) use ($filter, $html_filter, $renderer) {
+ return $renderer->executeInRenderContext(new RenderContext(), function () use ($input, $filter, $html_filter) {
+ // 1. Apply HTML filter's processing step.
+ $output = $html_filter->process($input, 'und');
+ // 2. Apply caption filter's processing step.
+ $output = $filter->process($output, 'und');
+ return $output->getProcessedText();
+ });
+ };
+ // Editor XSS filter.
+ $test_editor_xss_filter = function ($input) {
+ $dummy_filter_format = FilterFormat::create();
+ return Standard::filterXss($input, $dummy_filter_format);
+ };
+
+ // All the tricky cases encountered at https://www.drupal.org/node/2105841.
+ // A plain URL preceded by text.
+ $input = '<img data-caption="See https://www.drupal.org" src="llama.jpg" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>See https://www.drupal.org</figcaption></figure>';
+ $this->assertIdentical($expected, $test_with_html_filter($input));
+ $this->assertIdentical($input, $test_editor_xss_filter($input));
+
+ // An anchor.
+ $input = '<img data-caption="This is a <a href="https://www.drupal.org">quick</a> test…" src="llama.jpg" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>This is a <a href="https://www.drupal.org">quick</a> test…</figcaption></figure>';
+ $this->assertIdentical($expected, $test_with_html_filter($input));
+ $this->assertIdentical($input, $test_editor_xss_filter($input));
+
+ // A plain URL surrounded by parentheses.
+ $input = '<img data-caption="(https://www.drupal.org)" src="llama.jpg" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>(https://www.drupal.org)</figcaption></figure>';
+ $this->assertIdentical($expected, $test_with_html_filter($input));
+ $this->assertIdentical($input, $test_editor_xss_filter($input));
+
+ // A source being credited.
+ $input = '<img data-caption="Source: Wikipedia" src="llama.jpg" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>Source: Wikipedia</figcaption></figure>';
+ $this->assertIdentical($expected, $test_with_html_filter($input));
+ $this->assertIdentical($input, $test_editor_xss_filter($input));
+
+ // A source being credited, without a space after the colon.
+ $input = '<img data-caption="Source:Wikipedia" src="llama.jpg" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>Source:Wikipedia</figcaption></figure>';
+ $this->assertIdentical($expected, $test_with_html_filter($input));
+ $this->assertIdentical($input, $test_editor_xss_filter($input));
+
+ // A pretty crazy edge case where we have two colons.
+ $input = '<img data-caption="Interesting (Scope resolution operator ::)" src="llama.jpg" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>Interesting (Scope resolution operator ::)</figcaption></figure>';
+ $this->assertIdentical($expected, $test_with_html_filter($input));
+ $this->assertIdentical($input, $test_editor_xss_filter($input));
+
+ // An evil anchor (to ensure XSS filtering is applied to the caption also).
+ $input = '<img data-caption="This is an <a href="javascript:alert();">evil</a> test…" src="llama.jpg" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>This is an <a href="alert();">evil</a> test…</figcaption></figure>';
+ $this->assertIdentical($expected, $test_with_html_filter($input));
+ $expected_xss_filtered = '<img data-caption="This is an <a href="alert();">evil</a> test…" src="llama.jpg" />';
+ $this->assertIdentical($expected_xss_filtered, $test_editor_xss_filter($input));
+ }
+
+ /**
+ * Tests the combination of the align and caption filters.
+ */
+ public function testAlignAndCaptionFilters() {
+ /** @var \Drupal\Core\Render\RendererInterface $renderer */
+ $renderer = \Drupal::service('renderer');
+ $align_filter = $this->filters['filter_align'];
+ $caption_filter = $this->filters['filter_caption'];
+
+ $test = function($input) use ($align_filter, $caption_filter, $renderer) {
+ return $renderer->executeInRenderContext(new RenderContext(), function () use ($input, $align_filter, $caption_filter) {
+ return $caption_filter->process($align_filter->process($input, 'und'), 'und');
+ });
+ };
+
+ $attached_library = [
+ 'library' => [
+ 'filter/caption',
+ ],
+ ];
+
+ // Both data-caption and data-align attributes: all 3 allowed values for the
+ // data-align attribute.
+ $input = '<img src="llama.jpg" data-caption="Loquacious llama!" data-align="left" />';
+ $expected = '<figure role="group" class="align-left"><img src="llama.jpg" /><figcaption>Loquacious llama!</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+ $input = '<img src="llama.jpg" data-caption="Loquacious llama!" data-align="center" />';
+ $expected = '<figure role="group" class="align-center"><img src="llama.jpg" /><figcaption>Loquacious llama!</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+ $input = '<img src="llama.jpg" data-caption="Loquacious llama!" data-align="right" />';
+ $expected = '<figure role="group" class="align-right"><img src="llama.jpg" /><figcaption>Loquacious llama!</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+
+ // Both data-caption and data-align attributes, but a disallowed data-align
+ // attribute value.
+ $input = '<img src="llama.jpg" data-caption="Loquacious llama!" data-align="left foobar" />';
+ $expected = '<figure role="group"><img src="llama.jpg" /><figcaption>Loquacious llama!</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+
+ // Ensure both filters together work for linked images.
+ $input = '<a href="http://example.com/llamas/are/awesome/but/kittens/are/cool/too"><img src="llama.jpg" data-caption="Loquacious llama!" data-align="center" /></a>';
+ $expected = '<figure role="group" class="align-center"><a href="http://example.com/llamas/are/awesome/but/kittens/are/cool/too"><img src="llama.jpg" /></a>' . "\n" . '<figcaption>Loquacious llama!</figcaption></figure>';
+ $output = $test($input);
+ $this->assertIdentical($expected, $output->getProcessedText());
+ $this->assertIdentical($attached_library, $output->getAttachments());
+ }
+
+ /**
+ * Tests the line break filter.
+ */
+ public function testLineBreakFilter() {
+ // Get FilterAutoP object.
+ $filter = $this->filters['filter_autop'];
+
+ // Since the line break filter naturally needs plenty of newlines in test
+ // strings and expectations, we're using "\n" instead of regular newlines
+ // here.
+ $tests = [
+ // Single line breaks should be changed to <br /> tags, while paragraphs
+ // separated with double line breaks should be enclosed with <p></p> tags.
+ "aaa\nbbb\n\nccc" => [
+ "<p>aaa<br />\nbbb</p>\n<p>ccc</p>" => TRUE,
+ ],
+ // Skip contents of certain block tags entirely.
+ "<script>aaa\nbbb\n\nccc</script>
+<style>aaa\nbbb\n\nccc</style>
+<pre>aaa\nbbb\n\nccc</pre>
+<object>aaa\nbbb\n\nccc</object>
+<iframe>aaa\nbbb\n\nccc</iframe>
+" => [
+ "<script>aaa\nbbb\n\nccc</script>" => TRUE,
+ "<style>aaa\nbbb\n\nccc</style>" => TRUE,
+ "<pre>aaa\nbbb\n\nccc</pre>" => TRUE,
+ "<object>aaa\nbbb\n\nccc</object>" => TRUE,
+ "<iframe>aaa\nbbb\n\nccc</iframe>" => TRUE,
+ ],
+ // Skip comments entirely.
+ "One. <!-- comment --> Two.\n<!--\nThree.\n-->\n" => [
+ '<!-- comment -->' => TRUE,
+ "<!--\nThree.\n-->" => TRUE,
+ ],
+ // Resulting HTML should produce matching paragraph tags.
+ '<p><div> </div></p>' => [
+ "<p>\n<div> </div>\n</p>" => TRUE,
+ ],
+ '<div><p> </p></div>' => [
+ "<div>\n</div>" => TRUE,
+ ],
+ '<blockquote><pre>aaa</pre></blockquote>' => [
+ "<blockquote><pre>aaa</pre></blockquote>" => TRUE,
+ ],
+ "<pre>aaa\nbbb\nccc</pre>\nddd\neee" => [
+ "<pre>aaa\nbbb\nccc</pre>" => TRUE,
+ "<p>ddd<br />\neee</p>" => TRUE,
+ ],
+ // Comments remain unchanged and subsequent lines/paragraphs are
+ // transformed normally.
+ "aaa<!--comment-->\n\nbbb\n\nccc\n\nddd<!--comment\nwith linebreak-->\n\neee\n\nfff" => [
+ "<p>aaa</p>\n<!--comment--><p>\nbbb</p>\n<p>ccc</p>\n<p>ddd</p>" => TRUE,
+ "<!--comment\nwith linebreak--><p>\neee</p>\n<p>fff</p>" => TRUE,
+ ],
+ // Check that a comment in a PRE will result that the text after
+ // the comment, but still in PRE, is not transformed.
+ "<pre>aaa\nbbb<!-- comment -->\n\nccc</pre>\nddd" => [
+ "<pre>aaa\nbbb<!-- comment -->\n\nccc</pre>" => TRUE,
+ ],
+ // Bug 810824, paragraphs were appearing around iframe tags.
+ "<iframe>aaa</iframe>\n\n" => [
+ "<p><iframe>aaa</iframe></p>" => FALSE,
+ ],
+ ];
+ $this->assertFilteredString($filter, $tests);
+
+ // Very long string hitting PCRE limits.
+ $limit = max(ini_get('pcre.backtrack_limit'), ini_get('pcre.recursion_limit'));
+ $source = $this->randomMachineName($limit);
+ $result = _filter_autop($source);
+ $success = $this->assertEqual($result, '<p>' . $source . "</p>\n", 'Line break filter can process very long strings.');
+ if (!$success) {
+ $this->verbose("\n" . $source . "\n<hr />\n" . $result);
+ }
+ }
+
+
+ /**
+ * Tests filter settings, defaults, access restrictions and similar.
+ *
+ * @todo This is for functions like filter_filter and check_markup, whose
+ * functionality is not completely focused on filtering. Some ideas:
+ * restricting formats according to user permissions, proper cache
+ * handling, defaults -- allowed tags/attributes/protocols.
+ *
+ * @todo It is possible to add script, iframe etc. to allowed tags, but this
+ * makes HTML filter completely ineffective.
+ *
+ * @todo Class, id, name and xmlns should be added to disallowed attributes,
+ * or better a whitelist approach should be used for that too.
+ */
+ public function testHtmlFilter() {
+ // Get FilterHtml object.
+ $filter = $this->filters['filter_html'];
+ $filter->setConfiguration([
+ 'settings' => [
+ 'allowed_html' => '<a> <p> <em> <strong> <cite> <blockquote> <code> <ul> <ol> <li> <dl> <dt> <dd> <br>',
+ 'filter_html_help' => 1,
+ 'filter_html_nofollow' => 0,
+ ]
+ ]);
+
+ // HTML filter is not able to secure some tags, these should never be
+ // allowed.
+ $f = (string) $filter->process('<script />', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertIdentical($f, '', 'HTML filter should remove script tags.');
+
+ $f = (string) $filter->process('<iframe />', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertIdentical($f, '', 'HTML filter should remove iframe tags.');
+
+ $f = (string) $filter->process('<object />', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertIdentical($f, '', 'HTML filter should remove object tags.');
+
+ $f = (string) $filter->process('<style />', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertIdentical($f, '', 'HTML filter should remove style tags.');
+
+ // Some tags make CSRF attacks easier, let the user take the risk herself.
+ $f = (string) $filter->process('<img />', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertIdentical($f, '', 'HTML filter should remove img tags by default.');
+
+ $f = (string) $filter->process('<input />', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertIdentical($f, '', 'HTML filter should remove input tags by default.');
+
+ // Filtering content of some attributes is infeasible, these shouldn't be
+ // allowed too.
+ $f = (string) $filter->process('<p style="display: none;" />', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNoNormalized($f, 'style', 'HTML filter should remove style attributes.');
+ $this->assertIdentical($f, '<p></p>');
+
+ $f = (string) $filter->process('<p onerror="alert(0);"></p>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNoNormalized($f, 'onerror', 'HTML filter should remove on* attributes.');
+ $this->assertIdentical($f, '<p></p>');
+
+ $f = (string) $filter->process('<code onerror> </code>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNoNormalized($f, 'onerror', 'HTML filter should remove empty on* attributes.');
+ // Note - this string has a decoded character.
+ $this->assertIdentical($f, '<code> </code>');
+
+ $f = (string) $filter->process('<br>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNormalized($f, '<br />', 'HTML filter should allow line breaks.');
+
+ $f = (string) $filter->process('<br />', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNormalized($f, '<br />', 'HTML filter should allow self-closing line breaks.');
+
+ // All attributes of whitelisted tags are stripped by default.
+ $f = (string) $filter->process('<a kitten="cute" llama="awesome">link</a>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNormalized($f, '<a>link</a>', 'HTML filter should remove attributes that are not explicitly allowed.');
+
+ // Now whitelist the "llama" attribute on <a>.
+ $filter->setConfiguration([
+ 'settings' => [
+ 'allowed_html' => '<a href llama> <em> <strong> <cite> <blockquote> <code> <ul> <ol> <li> <dl> <dt> <dd> <br>',
+ 'filter_html_help' => 1,
+ 'filter_html_nofollow' => 0,
+ ]
+ ]);
+ $f = (string) $filter->process('<a kitten="cute" llama="awesome">link</a>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNormalized($f, '<a llama="awesome">link</a>', 'HTML filter keeps explicitly allowed attributes, and removes attributes that are not explicitly allowed.');
+
+ // Restrict the whitelisted "llama" attribute on <a> to only allow the value
+ // "majestical", or "epic".
+ $filter->setConfiguration([
+ 'settings' => [
+ 'allowed_html' => '<a href llama="majestical epic"> <em> <strong> <cite> <blockquote> <code> <ul> <ol> <li> <dl> <dt> <dd> <br>',
+ 'filter_html_help' => 1,
+ 'filter_html_nofollow' => 0,
+ ]
+ ]);
+ $f = (string) $filter->process('<a kitten="cute" llama="awesome">link</a>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertIdentical($f, '<a>link</a>', 'HTML filter removes allowed attributes that do not have an explicitly allowed value.');
+ $f = (string) $filter->process('<a kitten="cute" llama="majestical">link</a>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertIdentical($f, '<a llama="majestical">link</a>', 'HTML filter keeps explicitly allowed attributes with an attribute value that is also explicitly allowed.');
+ $f = (string) $filter->process('<a kitten="cute" llama="awesome">link</a>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNormalized($f, '<a>link</a>', 'HTML filter removes allowed attributes that have a not explicitly allowed value.');
+ $f = (string) $filter->process('<a href="/beautiful-animals" kitten="cute" llama="epic majestical">link</a>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertIdentical($f, '<a href="/beautiful-animals" llama="epic majestical">link</a>', 'HTML filter keeps explicitly allowed attributes with an attribute value that is also explicitly allowed.');
+ }
+
+ /**
+ * Tests the spam deterrent.
+ */
+ public function testNoFollowFilter() {
+ // Get FilterHtml object.
+ $filter = $this->filters['filter_html'];
+ $filter->setConfiguration([
+ 'settings' => [
+ 'allowed_html' => '<a href>',
+ 'filter_html_help' => 1,
+ 'filter_html_nofollow' => 1,
+ ]
+ ]);
+
+ // Test if the rel="nofollow" attribute is added, even if we try to prevent
+ // it.
+ $f = (string) $filter->process('<a href="http://www.example.com/">text</a>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNormalized($f, 'rel="nofollow"', 'Spam deterrent -- no evasion.');
+
+ $f = (string) $filter->process('<A href="http://www.example.com/">text</a>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNormalized($f, 'rel="nofollow"', 'Spam deterrent evasion -- capital A.');
+
+ $f = (string) $filter->process("<a/href=\"http://www.example.com/\">text</a>", Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNormalized($f, 'rel="nofollow"', 'Spam deterrent evasion -- non whitespace character after tag name.');
+
+ $f = (string) $filter->process("<\0a\0 href=\"http://www.example.com/\">text</a>", Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNormalized($f, 'rel="nofollow"', 'Spam deterrent evasion -- some nulls.');
+
+ $f = (string) $filter->process('<a href="http://www.example.com/" rel="follow">text</a>', Language::LANGCODE_NOT_SPECIFIED);
+ $this->assertNoNormalized($f, 'rel="follow"', 'Spam deterrent evasion -- with rel set - rel="follow" removed.');
+ $this->assertNormalized($f, 'rel="nofollow"', 'Spam deterrent evasion -- with rel set - rel="nofollow" added.');
+ }
+
+ /**
+ * Tests the HTML escaping filter.
+ */
+ public function testHtmlEscapeFilter() {
+ // Get FilterHtmlEscape object.
+ $filter = $this->filters['filter_html_escape'];
+
+ $tests = [
+ " One. <!-- \"comment\" --> Two'.\n<p>Three.</p>\n " => [
+ "One. <!-- "comment" --> Two'.\n<p>Three.</p>" => TRUE,
+ ' One.' => FALSE,
+ "</p>\n " => FALSE,
+ ],
+ ];
+ $this->assertFilteredString($filter, $tests);
+ }
+
+ /**
+ * Tests the URL filter.
+ */
+ public function testUrlFilter() {
+ // Get FilterUrl object.
+ $filter = $this->filters['filter_url'];
+ $filter->setConfiguration([
+ 'settings' => [
+ 'filter_url_length' => 496,
+ ]
+ ]);
+
+ // @todo Possible categories:
+ // - absolute, mail, partial
+ // - characters/encoding, surrounding markup, security
+
+ // Create a email that is too long.
+ $long_email = str_repeat('a', 254) . '@example.com';
+ $too_long_email = str_repeat('b', 255) . '@example.com';
+ $email_with_plus_sign = 'one+two@example.com';
+
+ // Filter selection/pattern matching.
+ $tests = [
+ // HTTP URLs.
+ '
+http://example.com or www.example.com
+' => [
+ '<a href="http://example.com">http://example.com</a>' => TRUE,
+ '<a href="http://www.example.com">www.example.com</a>' => TRUE,
+ ],
+ // MAILTO URLs.
+ '
+person@example.com or mailto:person2@example.com or ' . $email_with_plus_sign . ' or ' . $long_email . ' but not ' . $too_long_email . '
+' => [
+ '<a href="mailto:person@example.com">person@example.com</a>' => TRUE,
+ '<a href="mailto:person2@example.com">mailto:person2@example.com</a>' => TRUE,
+ '<a href="mailto:' . $long_email . '">' . $long_email . '</a>' => TRUE,
+ '<a href="mailto:' . $too_long_email . '">' . $too_long_email . '</a>' => FALSE,
+ '<a href="mailto:' . $email_with_plus_sign . '">' . $email_with_plus_sign . '</a>' => TRUE,
+ ],
+ // URI parts and special characters.
+ '
+http://trailingslash.com/ or www.trailingslash.com/
+http://host.com/some/path?query=foo&bar[baz]=beer#fragment or www.host.com/some/path?query=foo&bar[baz]=beer#fragment
+http://twitter.com/#!/example/status/22376963142324226
+http://example.com/@user/
+ftp://user:pass@ftp.example.com/~home/dir1
+sftp://user@nonstandardport:222/dir
+ssh://192.168.0.100/srv/git/drupal.git
+' => [
+ '<a href="http://trailingslash.com/">http://trailingslash.com/</a>' => TRUE,
+ '<a href="http://www.trailingslash.com/">www.trailingslash.com/</a>' => TRUE,
+ '<a href="http://host.com/some/path?query=foo&bar[baz]=beer#fragment">http://host.com/some/path?query=foo&bar[baz]=beer#fragment</a>' => TRUE,
+ '<a href="http://www.host.com/some/path?query=foo&bar[baz]=beer#fragment">www.host.com/some/path?query=foo&bar[baz]=beer#fragment</a>' => TRUE,
+ '<a href="http://twitter.com/#!/example/status/22376963142324226">http://twitter.com/#!/example/status/22376963142324226</a>' => TRUE,
+ '<a href="http://example.com/@user/">http://example.com/@user/</a>' => TRUE,
+ '<a href="ftp://user:pass@ftp.example.com/~home/dir1">ftp://user:pass@ftp.example.com/~home/dir1</a>' => TRUE,
+ '<a href="sftp://user@nonstandardport:222/dir">sftp://user@nonstandardport:222/dir</a>' => TRUE,
+ '<a href="ssh://192.168.0.100/srv/git/drupal.git">ssh://192.168.0.100/srv/git/drupal.git</a>' => TRUE,
+ ],
+ // International Unicode characters.
+ '
+http://пример.испытание/
+http://مثال.إختبار/
+http://例子.測試/
+http://12345.中国/
+http://例え.テスト/
+http://dréißig-bücher.de/
+http://méxico-mañana.es/
+' => [
+ '<a href="http://пример.испытание/">http://пример.испытание/</a>' => TRUE,
+ '<a href="http://مثال.إختبار/">http://مثال.إختبار/</a>' => TRUE,
+ '<a href="http://例子.測試/">http://例子.測試/</a>' => TRUE,
+ '<a href="http://12345.中国/">http://12345.中国/</a>' => TRUE,
+ '<a href="http://例え.テスト/">http://例え.テスト/</a>' => TRUE,
+ '<a href="http://dréißig-bücher.de/">http://dréißig-bücher.de/</a>' => TRUE,
+ '<a href="http://méxico-mañana.es/">http://méxico-mañana.es/</a>' => TRUE,
+ ],
+ // Encoding.
+ '
+http://ampersand.com/?a=1&b=2
+http://encoded.com/?a=1&b=2
+' => [
+ '<a href="http://ampersand.com/?a=1&b=2">http://ampersand.com/?a=1&b=2</a>' => TRUE,
+ '<a href="http://encoded.com/?a=1&b=2">http://encoded.com/?a=1&b=2</a>' => TRUE,
+ ],
+ // Domain name length.
+ '
+www.ex.ex or www.example.example or www.toolongdomainexampledomainexampledomainexampledomainexampledomain or
+me@me.tv
+' => [
+ '<a href="http://www.ex.ex">www.ex.ex</a>' => TRUE,
+ '<a href="http://www.example.example">www.example.example</a>' => TRUE,
+ 'http://www.toolong' => FALSE,
+ '<a href="mailto:me@me.tv">me@me.tv</a>' => TRUE,
+ ],
+ // Absolute URL protocols.
+ // The list to test is found in the beginning of _filter_url() at
+ // $protocols = \Drupal::getContainer()->getParameter('filter_protocols').
+ '
+https://example.com,
+ftp://ftp.example.com,
+news://example.net,
+telnet://example,
+irc://example.host,
+ssh://odd.geek,
+sftp://secure.host?,
+webcal://calendar,
+rtsp://127.0.0.1,
+not foo://disallowed.com.
+' => [
+ 'href="https://example.com"' => TRUE,
+ 'href="ftp://ftp.example.com"' => TRUE,
+ 'href="news://example.net"' => TRUE,
+ 'href="telnet://example"' => TRUE,
+ 'href="irc://example.host"' => TRUE,
+ 'href="ssh://odd.geek"' => TRUE,
+ 'href="sftp://secure.host"' => TRUE,
+ 'href="webcal://calendar"' => TRUE,
+ 'href="rtsp://127.0.0.1"' => TRUE,
+ 'href="foo://disallowed.com"' => FALSE,
+ 'not foo://disallowed.com.' => TRUE,
+ ],
+ ];
+ $this->assertFilteredString($filter, $tests);
+
+ // Surrounding text/punctuation.
+ $tests = [
+ '
+Partial URL with trailing period www.partial.com.
+Email with trailing comma person@example.com,
+Absolute URL with trailing question http://www.absolute.com?
+Query string with trailing exclamation www.query.com/index.php?a=!
+Partial URL with 3 trailing www.partial.periods...
+Email with 3 trailing exclamations@example.com!!!
+Absolute URL and query string with 2 different punctuation characters (http://www.example.com/q=abc).
+Partial URL with brackets in the URL as well as surrounded brackets (www.foo.com/more_(than)_one_(parens)).
+Absolute URL with square brackets in the URL as well as surrounded brackets [https://www.drupal.org/?class[]=1]
+Absolute URL with quotes "https://www.drupal.org/sample"
+
+' => [
+ 'period <a href="http://www.partial.com">www.partial.com</a>.' => TRUE,
+ 'comma <a href="mailto:person@example.com">person@example.com</a>,' => TRUE,
+ 'question <a href="http://www.absolute.com">http://www.absolute.com</a>?' => TRUE,
+ 'exclamation <a href="http://www.query.com/index.php?a=">www.query.com/index.php?a=</a>!' => TRUE,
+ 'trailing <a href="http://www.partial.periods">www.partial.periods</a>...' => TRUE,
+ 'trailing <a href="mailto:exclamations@example.com">exclamations@example.com</a>!!!' => TRUE,
+ 'characters (<a href="http://www.example.com/q=abc">http://www.example.com/q=abc</a>).' => TRUE,
+ 'brackets (<a href="http://www.foo.com/more_(than)_one_(parens)">www.foo.com/more_(than)_one_(parens)</a>).' => TRUE,
+ 'brackets [<a href="https://www.drupal.org/?class[]=1">https://www.drupal.org/?class[]=1</a>]' => TRUE,
+ 'quotes "<a href="https://www.drupal.org/sample">https://www.drupal.org/sample</a>"' => TRUE,
+ ],
+ '
+(www.parenthesis.com/dir?a=1&b=2#a)
+' => [
+ '(<a href="http://www.parenthesis.com/dir?a=1&b=2#a">www.parenthesis.com/dir?a=1&b=2#a</a>)' => TRUE,
+ ],
+ ];
+ $this->assertFilteredString($filter, $tests);
+
+ // Surrounding markup.
+ $tests = [
+ '
+<p xmlns="www.namespace.com" />
+<p xmlns="http://namespace.com">
+An <a href="http://example.com" title="Read more at www.example.info...">anchor</a>.
+</p>
+' => [
+ '<p xmlns="www.namespace.com" />' => TRUE,
+ '<p xmlns="http://namespace.com">' => TRUE,
+ 'href="http://www.namespace.com"' => FALSE,
+ 'href="http://namespace.com"' => FALSE,
+ 'An <a href="http://example.com" title="Read more at www.example.info...">anchor</a>.' => TRUE,
+ ],
+ '
+Not <a href="foo">www.relative.com</a> or <a href="http://absolute.com">www.absolute.com</a>
+but <strong>http://www.strong.net</strong> or <em>www.emphasis.info</em>
+' => [
+ '<a href="foo">www.relative.com</a>' => TRUE,
+ 'href="http://www.relative.com"' => FALSE,
+ '<a href="http://absolute.com">www.absolute.com</a>' => TRUE,
+ '<strong><a href="http://www.strong.net">http://www.strong.net</a></strong>' => TRUE,
+ '<em><a href="http://www.emphasis.info">www.emphasis.info</a></em>' => TRUE,
+ ],
+ '
+Test <code>using www.example.com the code tag</code>.
+' => [
+ 'href' => FALSE,
+ 'http' => FALSE,
+ ],
+ '
+Intro.
+<blockquote>
+Quoted text linking to www.example.com, written by person@example.com, originating from http://origin.example.com. <code>@see www.usage.example.com or <em>www.example.info</em> bla bla</code>.
+</blockquote>
+
+Outro.
+' => [
+ 'href="http://www.example.com"' => TRUE,
+ 'href="mailto:person@example.com"' => TRUE,
+ 'href="http://origin.example.com"' => TRUE,
+ 'http://www.usage.example.com' => FALSE,
+ 'http://www.example.info' => FALSE,
+ 'Intro.' => TRUE,
+ 'Outro.' => TRUE,
+ ],
+ '
+Unknown tag <x>containing x and www.example.com</x>? And a tag <pooh>beginning with p and containing www.example.pooh with p?</pooh>
+' => [
+ 'href="http://www.example.com"' => TRUE,
+ 'href="http://www.example.pooh"' => TRUE,
+ ],
+ '
+<p>Test <br/>: This is a www.example17.com example <strong>with</strong> various http://www.example18.com tags. *<br/>
+ It is important www.example19.com to *<br/>test different URLs and http://www.example20.com in the same paragraph. *<br>
+HTML www.example21.com soup by person@example22.com can litererally http://www.example23.com contain *img*<img> anything. Just a www.example24.com with http://www.example25.com thrown in. www.example26.com from person@example27.com with extra http://www.example28.com.
+' => [
+ 'href="http://www.example17.com"' => TRUE,
+ 'href="http://www.example18.com"' => TRUE,
+ 'href="http://www.example19.com"' => TRUE,
+ 'href="http://www.example20.com"' => TRUE,
+ 'href="http://www.example21.com"' => TRUE,
+ 'href="mailto:person@example22.com"' => TRUE,
+ 'href="http://www.example23.com"' => TRUE,
+ 'href="http://www.example24.com"' => TRUE,
+ 'href="http://www.example25.com"' => TRUE,
+ 'href="http://www.example26.com"' => TRUE,
+ 'href="mailto:person@example27.com"' => TRUE,
+ 'href="http://www.example28.com"' => TRUE,
+ ],
+ '
+<script>
+<!--
+ // @see www.example.com
+ var exampleurl = "http://example.net";
+-->
+<!--//--><![CDATA[//><!--
+ // @see www.example.com
+ var exampleurl = "http://example.net";
+//--><!]]>
+</script>
+' => [
+ 'href="http://www.example.com"' => FALSE,
+ 'href="http://example.net"' => FALSE,
+ ],
+ '
+<style>body {
+ background: url(http://example.com/pixel.gif);
+}</style>
+' => [
+ 'href' => FALSE,
+ ],
+ '
+<!-- Skip any URLs like www.example.com in comments -->
+' => [
+ 'href' => FALSE,
+ ],
+ '
+<!-- Skip any URLs like
+www.example.com with a newline in comments -->
+' => [
+ 'href' => FALSE,
+ ],
+ '
+<!-- Skip any URLs like www.comment.com in comments. <p>Also ignore http://commented.out/markup.</p> -->
+' => [
+ 'href' => FALSE,
+ ],
+ '
+<dl>
+<dt>www.example.com</dt>
+<dd>http://example.com</dd>
+<dd>person@example.com</dd>
+<dt>Check www.example.net</dt>
+<dd>Some text around http://www.example.info by person@example.info?</dd>
+</dl>
+' => [
+ 'href="http://www.example.com"' => TRUE,
+ 'href="http://example.com"' => TRUE,
+ 'href="mailto:person@example.com"' => TRUE,
+ 'href="http://www.example.net"' => TRUE,
+ 'href="http://www.example.info"' => TRUE,
+ 'href="mailto:person@example.info"' => TRUE,
+ ],
+ '
+<div>www.div.com</div>
+<ul>
+<li>http://listitem.com</li>
+<li class="odd">www.class.listitem.com</li>
+</ul>
+' => [
+ '<div><a href="http://www.div.com">www.div.com</a></div>' => TRUE,
+ '<li><a href="http://listitem.com">http://listitem.com</a></li>' => TRUE,
+ '<li class="odd"><a href="http://www.class.listitem.com">www.class.listitem.com</a></li>' => TRUE,
+ ],
+ ];
+ $this->assertFilteredString($filter, $tests);
+
+ // URL trimming.
+ $filter->setConfiguration([
+ 'settings' => [
+ 'filter_url_length' => 20,
+ ]
+ ]);
+ $tests = [
+ 'www.trimmed.com/d/ff.ext?a=1&b=2#a1' => [
+ '<a href="http://www.trimmed.com/d/ff.ext?a=1&b=2#a1">www.trimmed.com/d/f…</a>' => TRUE,
+ ],
+ ];
+ $this->assertFilteredString($filter, $tests);
+ }
+
+ /**
+ * Asserts multiple filter output expectations for multiple input strings.
+ *
+ * @param FilterInterface $filter
+ * A input filter object.
+ * @param array $tests
+ * An associative array, whereas each key is an arbitrary input string and
+ * each value is again an associative array whose keys are filter output
+ * strings and whose values are Booleans indicating whether the output is
+ * expected or not. For example:
+ * @code
+ * $tests = array(
+ * 'Input string' => array(
+ * '<p>Input string</p>' => TRUE,
+ * 'Input string<br' => FALSE,
+ * ),
+ * );
+ * @endcode
+ */
+ public function assertFilteredString($filter, $tests) {
+ foreach ($tests as $source => $tasks) {
+ $result = $filter->process($source, $filter)->getProcessedText();
+ foreach ($tasks as $value => $is_expected) {
+ // Not using assertIdentical, since combination with strpos() is hard to grok.
+ if ($is_expected) {
+ $success = $this->assertTrue(strpos($result, $value) !== FALSE, format_string('@source: @value found. Filtered result: @result.', [
+ '@source' => var_export($source, TRUE),
+ '@value' => var_export($value, TRUE),
+ '@result' => var_export($result, TRUE),
+ ]));
+ }
+ else {
+ $success = $this->assertTrue(strpos($result, $value) === FALSE, format_string('@source: @value not found. Filtered result: @result.', [
+ '@source' => var_export($source, TRUE),
+ '@value' => var_export($value, TRUE),
+ '@result' => var_export($result, TRUE),
+ ]));
+ }
+ if (!$success) {
+ $this->verbose('Source:<pre>' . Html::escape(var_export($source, TRUE)) . '</pre>'
+ . '<hr />' . 'Result:<pre>' . Html::escape(var_export($result, TRUE)) . '</pre>'
+ . '<hr />' . ($is_expected ? 'Expected:' : 'Not expected:')
+ . '<pre>' . Html::escape(var_export($value, TRUE)) . '</pre>'
+ );
+ }
+ }
+ }
+ }
+
+ /**
+ * Tests URL filter on longer content.
+ *
+ * Filters based on regular expressions should also be tested with a more
+ * complex content than just isolated test lines.
+ * The most common errors are:
+ * - accidental '*' (greedy) match instead of '*?' (minimal) match.
+ * - only matching first occurrence instead of all.
+ * - newlines not matching '.*'.
+ *
+ * This test covers:
+ * - Document with multiple newlines and paragraphs (two newlines).
+ * - Mix of several HTML tags, invalid non-HTML tags, tags to ignore and HTML
+ * comments.
+ * - Empty HTML tags (BR, IMG).
+ * - Mix of absolute and partial URLs, and email addresses in one content.
+ */
+ public function testUrlFilterContent() {
+ // Get FilterUrl object.
+ $filter = $this->filters['filter_url'];
+ $filter->setConfiguration([
+ 'settings' => [
+ 'filter_url_length' => 496,
+ ]
+ ]);
+ $path = __DIR__ . '/../..';
+
+ $input = file_get_contents($path . '/filter.url-input.txt');
+ $expected = file_get_contents($path . '/filter.url-output.txt');
+ $result = _filter_url($input, $filter);
+ $this->assertIdentical($result, $expected, 'Complex HTML document was correctly processed.');
+ }
+
+ /**
+ * Tests the HTML corrector filter.
+ *
+ * @todo This test could really use some validity checking function.
+ */
+ public function testHtmlCorrectorFilter() {
+ // Tag closing.
+ $f = Html::normalize('<p>text');
+ $this->assertEqual($f, '<p>text</p>', 'HTML corrector -- tag closing at the end of input.');
+
+ $f = Html::normalize('<p>text<p><p>text');
+ $this->assertEqual($f, '<p>text</p><p></p><p>text</p>', 'HTML corrector -- tag closing.');
+
+ $f = Html::normalize("<ul><li>e1<li>e2");
+ $this->assertEqual($f, "<ul><li>e1</li><li>e2</li></ul>", 'HTML corrector -- unclosed list tags.');
+
+ $f = Html::normalize('<div id="d">content');
+ $this->assertEqual($f, '<div id="d">content</div>', 'HTML corrector -- unclosed tag with attribute.');
+
+ // XHTML slash for empty elements.
+ $f = Html::normalize('<hr><br>');
+ $this->assertEqual($f, '<hr /><br />', 'HTML corrector -- XHTML closing slash.');
+
+ $f = Html::normalize('<P>test</P>');
+ $this->assertEqual($f, '<p>test</p>', 'HTML corrector -- Convert uppercased tags to proper lowercased ones.');
+
+ $f = Html::normalize('<P>test</p>');
+ $this->assertEqual($f, '<p>test</p>', 'HTML corrector -- Convert uppercased tags to proper lowercased ones.');
+
+ $f = Html::normalize('test<hr />');
+ $this->assertEqual($f, 'test<hr />', 'HTML corrector -- Let proper XHTML pass through.');
+
+ $f = Html::normalize('test<hr/>');
+ $this->assertEqual($f, 'test<hr />', 'HTML corrector -- Let proper XHTML pass through, but ensure there is a single space before the closing slash.');
+
+ $f = Html::normalize('test<hr />');
+ $this->assertEqual($f, 'test<hr />', 'HTML corrector -- Let proper XHTML pass through, but ensure there are not too many spaces before the closing slash.');
+
+ $f = Html::normalize('<span class="test" />');
+ $this->assertEqual($f, '<span class="test"></span>', 'HTML corrector -- Convert XHTML that is properly formed but that would not be compatible with typical HTML user agents.');
+
+ $f = Html::normalize('test1<br class="test">test2');
+ $this->assertEqual($f, 'test1<br class="test" />test2', 'HTML corrector -- Automatically close single tags.');
+
+ $f = Html::normalize('line1<hr>line2');
+ $this->assertEqual($f, 'line1<hr />line2', 'HTML corrector -- Automatically close single tags.');
+
+ $f = Html::normalize('line1<HR>line2');
+ $this->assertEqual($f, 'line1<hr />line2', 'HTML corrector -- Automatically close single tags.');
+
+ $f = Html::normalize('<img src="http://example.com/test.jpg">test</img>');
+ $this->assertEqual($f, '<img src="http://example.com/test.jpg" />test', 'HTML corrector -- Automatically close single tags.');
+
+ $f = Html::normalize('<br></br>');
+ $this->assertEqual($f, '<br />', "HTML corrector -- Transform empty tags to a single closed tag if the tag's content model is EMPTY.");
+
+ $f = Html::normalize('<div></div>');
+ $this->assertEqual($f, '<div></div>', "HTML corrector -- Do not transform empty tags to a single closed tag if the tag's content model is not EMPTY.");
+
+ $f = Html::normalize('<p>line1<br/><hr/>line2</p>');
+ $this->assertEqual($f, '<p>line1<br /></p><hr />line2', 'HTML corrector -- Move non-inline elements outside of inline containers.');
+
+ $f = Html::normalize('<p>line1<div>line2</div></p>');
+ $this->assertEqual($f, '<p>line1</p><div>line2</div>', 'HTML corrector -- Move non-inline elements outside of inline containers.');
+
+ $f = Html::normalize('<p>test<p>test</p>\n');
+ $this->assertEqual($f, '<p>test</p><p>test</p>\n', 'HTML corrector -- Auto-close improperly nested tags.');
+
+ $f = Html::normalize('<p>Line1<br><STRONG>bold stuff</b>');
+ $this->assertEqual($f, '<p>Line1<br /><strong>bold stuff</strong></p>', 'HTML corrector -- Properly close unclosed tags, and remove useless closing tags.');
+
+ $f = Html::normalize('test <!-- this is a comment -->');
+ $this->assertEqual($f, 'test <!-- this is a comment -->', 'HTML corrector -- Do not touch HTML comments.');
+
+ $f = Html::normalize('test <!--this is a comment-->');
+ $this->assertEqual($f, 'test <!--this is a comment-->', 'HTML corrector -- Do not touch HTML comments.');
+
+ $f = Html::normalize('test <!-- comment <p>another
+ <strong>multiple</strong> line
+ comment</p> -->');
+ $this->assertEqual($f, 'test <!-- comment <p>another
+ <strong>multiple</strong> line
+ comment</p> -->', 'HTML corrector -- Do not touch HTML comments.');
+
+ $f = Html::normalize('test <!-- comment <p>another comment</p> -->');
+ $this->assertEqual($f, 'test <!-- comment <p>another comment</p> -->', 'HTML corrector -- Do not touch HTML comments.');
+
+ $f = Html::normalize('test <!--break-->');
+ $this->assertEqual($f, 'test <!--break-->', 'HTML corrector -- Do not touch HTML comments.');
+
+ $f = Html::normalize('<p>test\n</p>\n');
+ $this->assertEqual($f, '<p>test\n</p>\n', 'HTML corrector -- New-lines are accepted and kept as-is.');
+
+ $f = Html::normalize('<p>دروبال');
+ $this->assertEqual($f, '<p>دروبال</p>', 'HTML corrector -- Encoding is correctly kept.');
+
+ $f = Html::normalize('<script>alert("test")</script>');
+ $this->assertEqual($f, '<script>
+<!--//--><![CDATA[// ><!--
+alert("test")
+//--><!]]>
+</script>', 'HTML corrector -- CDATA added to script element');
+
+ $f = Html::normalize('<p><script>alert("test")</script></p>');
+ $this->assertEqual($f, '<p><script>
+<!--//--><![CDATA[// ><!--
+alert("test")
+//--><!]]>
+</script></p>', 'HTML corrector -- CDATA added to a nested script element');
+
+ $f = Html::normalize('<p><style> /* Styling */ body {color:red}</style></p>');
+ $this->assertEqual($f, '<p><style>
+<!--/*--><![CDATA[/* ><!--*/
+ /* Styling */ body {color:red}
+/*--><!]]>*/
+</style></p>', 'HTML corrector -- CDATA added to a style element.');
+
+ $filtered_data = Html::normalize('<p><style>
+/*<![CDATA[*/
+/* Styling */
+body {color:red}
+/*]]>*/
+</style></p>');
+ $this->assertEqual($filtered_data, '<p><style>
+<!--/*--><![CDATA[/* ><!--*/
+
+/*<![CDATA[*/
+/* Styling */
+body {color:red}
+/*]]]]><![CDATA[>*/
+
+/*--><!]]>*/
+</style></p>',
+ format_string('HTML corrector -- Existing cdata section @pattern_name properly escaped', ['@pattern_name' => '/*<![CDATA[*/'])
+ );
+
+ $filtered_data = Html::normalize('<p><style>
+ <!--/*--><![CDATA[/* ><!--*/
+ /* Styling */
+ body {color:red}
+ /*--><!]]>*/
+</style></p>');
+ $this->assertEqual($filtered_data, '<p><style>
+<!--/*--><![CDATA[/* ><!--*/
+
+ <!--/*--><![CDATA[/* ><!--*/
+ /* Styling */
+ body {color:red}
+ /*--><!]]]]><![CDATA[>*/
+
+/*--><!]]>*/
+</style></p>',
+ format_string('HTML corrector -- Existing cdata section @pattern_name properly escaped', ['@pattern_name' => '<!--/*--><![CDATA[/* ><!--*/'])
+ );
+
+ $filtered_data = Html::normalize('<p><script>
+<!--//--><![CDATA[// ><!--
+ alert("test");
+//--><!]]>
+</script></p>');
+ $this->assertEqual($filtered_data, '<p><script>
+<!--//--><![CDATA[// ><!--
+
+<!--//--><![CDATA[// ><!--
+ alert("test");
+//--><!]]]]><![CDATA[>
+
+//--><!]]>
+</script></p>',
+ format_string('HTML corrector -- Existing cdata section @pattern_name properly escaped', ['@pattern_name' => '<!--//--><![CDATA[// ><!--'])
+ );
+
+ $filtered_data = Html::normalize('<p><script>
+// <![CDATA[
+ alert("test");
+// ]]>
+</script></p>');
+ $this->assertEqual($filtered_data, '<p><script>
+<!--//--><![CDATA[// ><!--
+
+// <![CDATA[
+ alert("test");
+// ]]]]><![CDATA[>
+
+//--><!]]>
+</script></p>',
+ format_string('HTML corrector -- Existing cdata section @pattern_name properly escaped', ['@pattern_name' => '// <![CDATA['])
+ );
+
+ }
+
+ /**
+ * Asserts that a text transformed to lowercase with HTML entities decoded does contains a given string.
+ *
+ * Otherwise fails the test with a given message, similar to all the
+ * SimpleTest assert* functions.
+ *
+ * Note that this does not remove nulls, new lines and other characters that
+ * could be used to obscure a tag or an attribute name.
+ *
+ * @param string $haystack
+ * Text to look in.
+ * @param string $needle
+ * Lowercase, plain text to look for.
+ * @param string $message
+ * (optional) Message to display if failed. Defaults to an empty string.
+ * @param string $group
+ * (optional) The group this message belongs to. Defaults to 'Other'.
+ *
+ * @return bool
+ * TRUE on pass, FALSE on fail.
+ */
+ public function assertNormalized($haystack, $needle, $message = '', $group = 'Other') {
+ return $this->assertTrue(strpos(strtolower(Html::decodeEntities($haystack)), $needle) !== FALSE, $message, $group);
+ }
+
+ /**
+ * Asserts that text transformed to lowercase with HTML entities decoded does not contain a given string.
+ *
+ * Otherwise fails the test with a given message, similar to all the
+ * SimpleTest assert* functions.
+ *
+ * Note that this does not remove nulls, new lines, and other character that
+ * could be used to obscure a tag or an attribute name.
+ *
+ * @param string $haystack
+ * Text to look in.
+ * @param string $needle
+ * Lowercase, plain text to look for.
+ * @param string $message
+ * (optional) Message to display if failed. Defaults to an empty string.
+ * @param string $group
+ * (optional) The group this message belongs to. Defaults to 'Other'.
+ *
+ * @return bool
+ * TRUE on pass, FALSE on fail.
+ */
+ public function assertNoNormalized($haystack, $needle, $message = '', $group = 'Other') {
+ return $this->assertTrue(strpos(strtolower(Html::decodeEntities($haystack)), $needle) === FALSE, $message, $group);
+ }
+
+}
projects / yaffs-website / blobdiff