--- /dev/null
+<?php
+
+namespace Drupal\Tests\search\Functional;
+
+use Behat\Mink\Exception\ResponseTextException;
+use Drupal\comment\Plugin\Field\FieldType\CommentItemInterface;
+use Drupal\comment\Tests\CommentTestTrait;
+use Drupal\field\Entity\FieldConfig;
+use Drupal\Tests\BrowserTestBase;
+use Drupal\Tests\Traits\Core\CronRunTrait;
+use Drupal\user\RoleInterface;
+use Drupal\filter\Entity\FilterFormat;
+
+/**
+ * Tests integration searching comments.
+ *
+ * @group search
+ */
+class SearchCommentTest extends BrowserTestBase {
+
+ use CommentTestTrait;
+ use CronRunTrait;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $modules = ['filter', 'node', 'comment', 'search'];
+
+ /**
+ * Test subject for comments.
+ *
+ * @var string
+ */
+ protected $commentSubject;
+
+ /**
+ * ID for the administrator role.
+ *
+ * @var string
+ */
+ protected $adminRole;
+
+ /**
+ * A user with various administrative permissions.
+ *
+ * @var \Drupal\user\UserInterface
+ */
+ protected $adminUser;
+
+ /**
+ * Test node for searching.
+ *
+ * @var \Drupal\node\NodeInterface
+ */
+ protected $node;
+
+ protected function setUp() {
+ parent::setUp();
+
+ $this->drupalCreateContentType(['type' => 'page', 'name' => 'Basic page']);
+ $this->drupalCreateContentType(['type' => 'article', 'name' => 'Article']);
+
+ $full_html_format = FilterFormat::create([
+ 'format' => 'full_html',
+ 'name' => 'Full HTML',
+ 'weight' => 1,
+ 'filters' => [],
+ ]);
+ $full_html_format->save();
+
+ // Create and log in an administrative user having access to the Full HTML
+ // text format.
+ $permissions = [
+ 'administer filters',
+ $full_html_format->getPermissionName(),
+ 'administer permissions',
+ 'create page content',
+ 'post comments',
+ 'skip comment approval',
+ 'access comments',
+ ];
+ $this->adminUser = $this->drupalCreateUser($permissions);
+ $this->drupalLogin($this->adminUser);
+ // Add a comment field.
+ $this->addDefaultCommentField('node', 'article');
+ }
+
+ /**
+ * Verify that comments are rendered using proper format in search results.
+ */
+ public function testSearchResultsComment() {
+ $node_storage = $this->container->get('entity.manager')->getStorage('node');
+ // Create basic_html format that escapes all HTML.
+ $basic_html_format = FilterFormat::create([
+ 'format' => 'basic_html',
+ 'name' => 'Basic HTML',
+ 'weight' => 1,
+ 'filters' => [
+ 'filter_html_escape' => ['status' => 1],
+ ],
+ 'roles' => [RoleInterface::AUTHENTICATED_ID],
+ ]);
+ $basic_html_format->save();
+
+ $comment_body = 'Test comment body';
+
+ // Make preview optional.
+ $field = FieldConfig::loadByName('node', 'article', 'comment');
+ $field->setSetting('preview', DRUPAL_OPTIONAL);
+ $field->save();
+
+ // Allow anonymous users to search content.
+ $edit = [
+ RoleInterface::ANONYMOUS_ID . '[search content]' => 1,
+ RoleInterface::ANONYMOUS_ID . '[access comments]' => 1,
+ RoleInterface::ANONYMOUS_ID . '[post comments]' => 1,
+ ];
+ $this->drupalPostForm('admin/people/permissions', $edit, t('Save permissions'));
+
+ // Create a node.
+ $node = $this->drupalCreateNode(['type' => 'article']);
+ // Post a comment using 'Full HTML' text format.
+ $edit_comment = [];
+ $edit_comment['subject[0][value]'] = 'Test comment subject';
+ $edit_comment['comment_body[0][value]'] = '<h1>' . $comment_body . '</h1>';
+ $full_html_format_id = 'full_html';
+ $edit_comment['comment_body[0][format]'] = $full_html_format_id;
+ $this->drupalPostForm('comment/reply/node/' . $node->id() . '/comment', $edit_comment, t('Save'));
+
+ // Post a comment with an evil script tag in the comment subject and a
+ // script tag nearby a keyword in the comment body. Use the 'FULL HTML' text
+ // format so the script tag stored.
+ $edit_comment2 = [];
+ $edit_comment2['subject[0][value]'] = "<script>alert('subjectkeyword');</script>";
+ $edit_comment2['comment_body[0][value]'] = "nearbykeyword<script>alert('somethinggeneric');</script>";
+ $edit_comment2['comment_body[0][format]'] = $full_html_format_id;
+ $this->drupalPostForm('comment/reply/node/' . $node->id() . '/comment', $edit_comment2, t('Save'));
+
+ // Post a comment with a keyword inside an evil script tag in the comment
+ // body. Use the 'FULL HTML' text format so the script tag is stored.
+ $edit_comment3 = [];
+ $edit_comment3['subject[0][value]'] = 'asubject';
+ $edit_comment3['comment_body[0][value]'] = "<script>alert('insidekeyword');</script>";
+ $edit_comment3['comment_body[0][format]'] = $full_html_format_id;
+ $this->drupalPostForm('comment/reply/node/' . $node->id() . '/comment', $edit_comment3, t('Save'));
+
+ // Invoke search index update.
+ $this->drupalLogout();
+ $this->cronRun();
+
+ // Search for the comment subject.
+ $edit = [
+ 'keys' => "'" . $edit_comment['subject[0][value]'] . "'",
+ ];
+ $this->drupalPostForm('search/node', $edit, t('Search'));
+ $node_storage->resetCache([$node->id()]);
+ $node2 = $node_storage->load($node->id());
+ $this->assertText($node2->label(), 'Node found in search results.');
+ $this->assertText($edit_comment['subject[0][value]'], 'Comment subject found in search results.');
+
+ // Search for the comment body.
+ $edit = [
+ 'keys' => "'" . $comment_body . "'",
+ ];
+ $this->drupalPostForm(NULL, $edit, t('Search'));
+ $this->assertText($node2->label(), 'Node found in search results.');
+
+ // Verify that comment is rendered using proper format.
+ $this->assertText($comment_body, 'Comment body text found in search results.');
+ $this->assertNoRaw(t('n/a'), 'HTML in comment body is not hidden.');
+ $this->assertNoEscaped($edit_comment['comment_body[0][value]'], 'HTML in comment body is not escaped.');
+
+ // Search for the evil script comment subject.
+ $edit = [
+ 'keys' => 'subjectkeyword',
+ ];
+ $this->drupalPostForm('search/node', $edit, t('Search'));
+
+ // Verify the evil comment subject is escaped in search results.
+ $this->assertRaw('<script>alert('<strong>subjectkeyword</strong>');');
+ $this->assertNoRaw('<script>');
+
+ // Search for the keyword near the evil script tag in the comment body.
+ $edit = [
+ 'keys' => 'nearbykeyword',
+ ];
+ $this->drupalPostForm('search/node', $edit, t('Search'));
+
+ // Verify that nearby script tag in the evil comment body is stripped from
+ // search results.
+ $this->assertRaw('<strong>nearbykeyword</strong>');
+ $this->assertNoRaw('<script>');
+
+ // Search for contents inside the evil script tag in the comment body.
+ $edit = [
+ 'keys' => 'insidekeyword',
+ ];
+ $this->drupalPostForm('search/node', $edit, t('Search'));
+
+ // @todo Verify the actual search results.
+ // https://www.drupal.org/node/2551135
+
+ // Verify there is no script tag in search results.
+ $this->assertNoRaw('<script>');
+
+ // Hide comments.
+ $this->drupalLogin($this->adminUser);
+ $node->set('comment', CommentItemInterface::HIDDEN);
+ $node->save();
+
+ // Invoke search index update.
+ $this->drupalLogout();
+ $this->cronRun();
+
+ // Search for $title.
+ $this->drupalPostForm('search/node', $edit, t('Search'));
+ $this->assertText(t('Your search yielded no results.'));
+ }
+
+ /**
+ * Verify access rules for comment indexing with different permissions.
+ */
+ public function testSearchResultsCommentAccess() {
+ $comment_body = 'Test comment body';
+ $this->commentSubject = 'Test comment subject';
+ $roles = $this->adminUser->getRoles(TRUE);
+ $this->adminRole = $roles[0];
+
+ // Create a node.
+ // Make preview optional.
+ $field = FieldConfig::loadByName('node', 'article', 'comment');
+ $field->setSetting('preview', DRUPAL_OPTIONAL);
+ $field->save();
+ $this->node = $this->drupalCreateNode(['type' => 'article']);
+
+ // Post a comment using 'Full HTML' text format.
+ $edit_comment = [];
+ $edit_comment['subject[0][value]'] = $this->commentSubject;
+ $edit_comment['comment_body[0][value]'] = '<h1>' . $comment_body . '</h1>';
+ $this->drupalPostForm('comment/reply/node/' . $this->node->id() . '/comment', $edit_comment, t('Save'));
+
+ $this->drupalLogout();
+ $this->setRolePermissions(RoleInterface::ANONYMOUS_ID);
+ $this->assertCommentAccess(FALSE, 'Anon user has search permission but no access comments permission, comments should not be indexed');
+
+ $this->setRolePermissions(RoleInterface::ANONYMOUS_ID, TRUE);
+ $this->assertCommentAccess(TRUE, 'Anon user has search permission and access comments permission, comments should be indexed');
+
+ $this->drupalLogin($this->adminUser);
+ $this->drupalGet('admin/people/permissions');
+
+ // Disable search access for authenticated user to test admin user.
+ $this->setRolePermissions(RoleInterface::AUTHENTICATED_ID, FALSE, FALSE);
+
+ $this->setRolePermissions($this->adminRole);
+ $this->assertCommentAccess(FALSE, 'Admin user has search permission but no access comments permission, comments should not be indexed');
+
+ $this->drupalGet('node/' . $this->node->id());
+ $this->setRolePermissions($this->adminRole, TRUE);
+ $this->assertCommentAccess(TRUE, 'Admin user has search permission and access comments permission, comments should be indexed');
+
+ $this->setRolePermissions(RoleInterface::AUTHENTICATED_ID);
+ $this->assertCommentAccess(FALSE, 'Authenticated user has search permission but no access comments permission, comments should not be indexed');
+
+ $this->setRolePermissions(RoleInterface::AUTHENTICATED_ID, TRUE);
+ $this->assertCommentAccess(TRUE, 'Authenticated user has search permission and access comments permission, comments should be indexed');
+
+ // Verify that access comments permission is inherited from the
+ // authenticated role.
+ $this->setRolePermissions(RoleInterface::AUTHENTICATED_ID, TRUE, FALSE);
+ $this->setRolePermissions($this->adminRole);
+ $this->assertCommentAccess(TRUE, 'Admin user has search permission and no access comments permission, but comments should be indexed because admin user inherits authenticated user\'s permission to access comments');
+
+ // Verify that search content permission is inherited from the authenticated
+ // role.
+ $this->setRolePermissions(RoleInterface::AUTHENTICATED_ID, TRUE, TRUE);
+ $this->setRolePermissions($this->adminRole, TRUE, FALSE);
+ $this->assertCommentAccess(TRUE, 'Admin user has access comments permission and no search permission, but comments should be indexed because admin user inherits authenticated user\'s permission to search');
+ }
+
+ /**
+ * Set permissions for role.
+ */
+ public function setRolePermissions($rid, $access_comments = FALSE, $search_content = TRUE) {
+ $permissions = [
+ 'access comments' => $access_comments,
+ 'search content' => $search_content,
+ ];
+ user_role_change_permissions($rid, $permissions);
+ }
+
+ /**
+ * Update search index and search for comment.
+ */
+ public function assertCommentAccess($assume_access, $message) {
+ // Invoke search index update.
+ search_mark_for_reindex('node_search', $this->node->id());
+ $this->cronRun();
+
+ // Search for the comment subject.
+ $edit = [
+ 'keys' => "'" . $this->commentSubject . "'",
+ ];
+ $this->drupalPostForm('search/node', $edit, t('Search'));
+
+ try {
+ if ($assume_access) {
+ $this->assertSession()->pageTextContains($this->node->label());
+ $this->assertSession()->pageTextContains($this->commentSubject);
+ }
+ else {
+ $this->assertSession()->pageTextContains(t('Your search yielded no results.'));
+ }
+ }
+ catch (ResponseTextException $exception) {
+ $this->fail($message);
+ }
+ }
+
+ /**
+ * Verify that 'add new comment' does not appear in search results or index.
+ */
+ public function testAddNewComment() {
+ // Create a node with a short body.
+ $settings = [
+ 'type' => 'article',
+ 'title' => 'short title',
+ 'body' => [['value' => 'short body text']],
+ ];
+
+ $user = $this->drupalCreateUser([
+ 'search content',
+ 'create article content',
+ 'access content',
+ 'post comments',
+ 'access comments',
+ ]);
+ $this->drupalLogin($user);
+
+ $node = $this->drupalCreateNode($settings);
+ // Verify that if you view the node on its own page, 'add new comment'
+ // is there.
+ $this->drupalGet('node/' . $node->id());
+ $this->assertText(t('Add new comment'));
+
+ // Run cron to index this page.
+ $this->drupalLogout();
+ $this->cronRun();
+
+ // Search for 'comment'. Should be no results.
+ $this->drupalLogin($user);
+ $this->drupalPostForm('search/node', ['keys' => 'comment'], t('Search'));
+ $this->assertText(t('Your search yielded no results'));
+
+ // Search for the node title. Should be found, and 'Add new comment' should
+ // not be part of the search snippet.
+ $this->drupalPostForm('search/node', ['keys' => 'short'], t('Search'));
+ $this->assertText($node->label(), 'Search for keyword worked');
+ $this->assertNoText(t('Add new comment'));
+ }
+
+}