class FileFieldAnonymousSubmissionTest

class FileFieldAnonymousSubmissionTest extends FileFieldTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Set up permissions for anonymous attacker user.
        user_role_change_permissions(RoleInterface::ANONYMOUS_ID, [
            'create article content' => TRUE,
            'access content' => TRUE,
        ]);
    }
    
    /**
     * Tests the basic node submission for an anonymous visitor.
     */
    public function testAnonymousNode() : void {
        $type = 'Article';
        $title = 'test page';
        // Load the node form.
        $this->drupalLogout();
        $this->drupalGet('node/add/article');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains("Create {$type}");
        $edit = [
            'title[0][value]' => $title,
            'body[0][value]' => 'Test article',
        ];
        $this->submitForm($edit, 'Save');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains("{$type} {$title} has been created.");
        $matches = [];
        if (preg_match('@node/(\\d+)$@', $this->getUrl(), $matches)) {
            $nid = end($matches);
            $this->assertNotEquals(0, $nid, 'The node ID was extracted from the URL.');
            $node = Node::load($nid);
            $this->assertNotNull($node, 'The node was loaded successfully.');
        }
    }
    
    /**
     * Tests file submission for an anonymous visitor.
     */
    public function testAnonymousNodeWithFile() : void {
        $type = 'Article';
        $title = 'Test page';
        $this->createFileField('field_image', 'node', 'article', [], [
            'file_extensions' => 'txt png',
        ]);
        // Load the node form.
        $this->drupalLogout();
        $this->drupalGet('node/add/article');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains("Create {$type}");
        // Generate an image file.
        $image = $this->getTestFile('image');
        // Submit the form.
        $edit = [
            'title[0][value]' => $title,
            'body[0][value]' => 'Test article',
            'files[field_image_0]' => $this->container
                ->get('file_system')
                ->realpath($image->getFileUri()),
        ];
        $this->submitForm($edit, 'Save');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains("{$type} {$title} has been created.");
        $matches = [];
        if (preg_match('@node/(\\d+)$@', $this->getUrl(), $matches)) {
            $nid = end($matches);
            $this->assertNotEquals(0, $nid, 'The node ID was extracted from the URL.');
            $node = Node::load($nid);
            $this->assertNotNull($node, 'The node was loaded successfully.');
            $this->assertFileExists(File::load($node->field_image->target_id)
                ->getFileUri());
        }
    }
    
    /**
     * Tests file submission for an anonymous visitor with a missing node title.
     */
    public function testAnonymousNodeWithFileWithoutTitle() : void {
        $this->drupalLogout();
        $this->doTestNodeWithFileWithoutTitle();
    }
    
    /**
     * Tests file submission for an authenticated user with a missing node title.
     */
    public function testAuthenticatedNodeWithFileWithoutTitle() : void {
        $admin_user = $this->drupalCreateUser([
            'bypass node access',
            'access content overview',
            'administer nodes',
        ]);
        $this->drupalLogin($admin_user);
        $this->doTestNodeWithFileWithoutTitle();
    }
    
    /**
     * Helper method to test file submissions with missing node titles.
     */
    protected function doTestNodeWithFileWithoutTitle() : void {
        $type = 'Article';
        $title = 'Test page';
        $this->createFileField('field_image', 'node', 'article', [], [
            'file_extensions' => 'txt png',
        ]);
        // Load the node form.
        $this->drupalGet('node/add/article');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains("Create {$type}");
        // Generate an image file.
        $image = $this->getTestFile('image');
        // Submit the form but exclude the title field.
        $edit = [
            'body[0][value]' => 'Test article',
            'files[field_image_0]' => $this->container
                ->get('file_system')
                ->realpath($image->getFileUri()),
        ];
        if (!$this->loggedInUser) {
            $label = 'Save';
        }
        else {
            $label = 'Save';
        }
        $this->submitForm($edit, $label);
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextNotContains("{$type} {$title} has been created.");
        $this->assertSession()
            ->pageTextContains('Title field is required.');
        // Submit the form again but this time with the missing title field. This
        // should still work.
        $edit = [
            'title[0][value]' => $title,
        ];
        $this->submitForm($edit, $label);
        // Confirm the final submission actually worked.
        $this->assertSession()
            ->pageTextContains("{$type} {$title} has been created.");
        $matches = [];
        if (preg_match('@node/(\\d+)$@', $this->getUrl(), $matches)) {
            $nid = end($matches);
            $this->assertNotEquals(0, $nid, 'The node ID was extracted from the URL.');
            $node = Node::load($nid);
            $this->assertNotNull($node, 'The node was loaded successfully.');
            $this->assertFileExists(File::load($node->field_image->target_id)
                ->getFileUri());
        }
    }

}