class EditorPrivateFileReferenceFilterTest

class EditorPrivateFileReferenceFilterTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'editor_test',
        // Depends on filter.module (indirectly).
'node',
        // Pulls in the config we're using during testing which create a text format
        // - with the filter_html_image_secure filter DISABLED,
        // - with the editor set to Unicorn editor,
        // - with drupalimage.image_upload.scheme set to 'private',
        // - with drupalimage.image_upload.directory set to ''.
'editor_private_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests the editor file reference filter with private files.
     */
    public function testEditorPrivateFileReferenceFilter() : void {
        $author = $this->drupalCreateUser();
        $this->drupalLogin($author);
        // Create a content type with a body field.
        $this->drupalCreateContentType([
            'type' => 'page',
            'name' => 'Basic page',
        ]);
        // Create a file in the 'private:// ' stream.
        $filename = 'test.png';
        $src = '/system/files/' . $filename;
        
        /** @var \Drupal\file\FileInterface $file */
        $file = File::create([
            'uri' => 'private://' . $filename,
        ]);
        $file->setTemporary();
        $file->setOwner($author);
        // Create the file itself.
        file_put_contents($file->getFileUri(), $this->randomString());
        $file->save();
        // The image should be visible for its author.
        $this->drupalGet($src);
        $this->assertSession()
            ->statusCodeEquals(200);
        // The not-yet-permanent image should NOT be visible for anonymous.
        $this->drupalLogout();
        $this->drupalGet($src);
        $this->assertSession()
            ->statusCodeEquals(403);
        // Resave the file to be permanent.
        $file->setPermanent();
        $file->save();
        // Create some nodes to ensure file usage count does not match the ID's
        // of the nodes we are going to check.
        for ($i = 0; $i < 5; $i++) {
            $this->drupalCreateNode([
                'type' => 'page',
                'uid' => $author->id(),
            ]);
        }
        // Create a node with its body field properly pointing to the just-created
        // file.
        $published_node = $this->drupalCreateNode([
            'type' => 'page',
            'body' => [
                'value' => '<img alt="alt" data-entity-type="file" data-entity-uuid="' . $file->uuid() . '" src="' . $src . '" />',
                'format' => 'private_images',
            ],
            'uid' => $author->id(),
        ]);
        // Create an unpublished node with its body field properly pointing to the
        // just-created file.
        $unpublished_node = $this->drupalCreateNode([
            'type' => 'page',
            'status' => NodeInterface::NOT_PUBLISHED,
            'body' => [
                'value' => '<img alt="alt" data-entity-type="file" data-entity-uuid="' . $file->uuid() . '" src="' . $src . '" />',
                'format' => 'private_images',
            ],
            'uid' => $author->id(),
        ]);
        // Do the actual test. The image should be visible for anonymous users,
        // because they can view the published node. Even though they can't view
        // the unpublished node.
        $this->drupalGet($published_node->toUrl());
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->drupalGet($unpublished_node->toUrl());
        $this->assertSession()
            ->statusCodeEquals(403);
        $this->drupalGet($src);
        $this->assertSession()
            ->statusCodeEquals(200);
        // When the published node is also unpublished, the image should also
        // become inaccessible to anonymous users.
        $published_node->setUnpublished()
            ->save();
        $this->drupalGet($published_node->toUrl());
        $this->assertSession()
            ->statusCodeEquals(403);
        $this->drupalGet($src);
        $this->assertSession()
            ->statusCodeEquals(403);
        // Disallow anonymous users to view the entity, which then should also
        // disallow them to view the image.
        $published_node->setPublished()
            ->save();
        Role::load(RoleInterface::ANONYMOUS_ID)->revokePermission('access content')
            ->save();
        $this->drupalGet($published_node->toUrl());
        $this->assertSession()
            ->statusCodeEquals(403);
        $this->drupalGet($src);
        $this->assertSession()
            ->statusCodeEquals(403);
    }

}