class UserPermissionsTest

class UserPermissionsTest extends BrowserTestBase {
    use CommentTestTrait;
    
    /**
     * User with admin privileges.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $adminUser;
    
    /**
     * User's role ID.
     *
     * @var string
     */
    protected $rid;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->adminUser = $this->drupalCreateUser([
            'administer permissions',
            'access user profiles',
            'administer site configuration',
            'administer modules',
            'administer account settings',
        ]);
        // Find the new role ID.
        $all_rids = $this->adminUser
            ->getRoles();
        unset($all_rids[array_search(RoleInterface::AUTHENTICATED_ID, $all_rids)]);
        $this->rid = reset($all_rids);
    }
    
    /**
     * Tests changing user permissions through the permissions pages.
     */
    public function testUserPermissionChanges() : void {
        $permissions_hash_generator = $this->container
            ->get('user_permissions_hash_generator');
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('user_role');
        // Create an additional role and mark it as admin role.
        Role::create([
            'is_admin' => TRUE,
            'id' => 'administrator',
            'label' => 'Administrator',
        ])->save();
        $storage->resetCache();
        $this->drupalLogin($this->adminUser);
        $rid = $this->rid;
        $account = $this->adminUser;
        $previous_permissions_hash = $permissions_hash_generator->generate($account);
        $this->assertSame($previous_permissions_hash, $permissions_hash_generator->generate($this->loggedInUser));
        // Add a permission.
        $this->assertFalse($account->hasPermission('administer users'), 'User does not have "administer users" permission.');
        $edit = [];
        $edit[$rid . '[administer users]'] = TRUE;
        $this->drupalGet('admin/people/permissions');
        $this->submitForm($edit, 'Save permissions');
        $this->assertSession()
            ->pageTextContains('The changes have been saved.');
        $storage->resetCache();
        $this->assertTrue($account->hasPermission('administer users'), 'User now has "administer users" permission.');
        $current_permissions_hash = $permissions_hash_generator->generate($account);
        $this->assertSame($current_permissions_hash, $permissions_hash_generator->generate($this->loggedInUser));
        $this->assertNotEquals($previous_permissions_hash, $current_permissions_hash, 'Permissions hash has changed.');
        $previous_permissions_hash = $current_permissions_hash;
        // Remove a permission.
        $this->assertTrue($account->hasPermission('access user profiles'), 'User has "access user profiles" permission.');
        $edit = [];
        $edit[$rid . '[access user profiles]'] = FALSE;
        $this->drupalGet('admin/people/permissions');
        $this->submitForm($edit, 'Save permissions');
        $this->assertSession()
            ->pageTextContains('The changes have been saved.');
        $storage->resetCache();
        $this->assertFalse($account->hasPermission('access user profiles'), 'User no longer has "access user profiles" permission.');
        $current_permissions_hash = $permissions_hash_generator->generate($account);
        $this->assertSame($current_permissions_hash, $permissions_hash_generator->generate($this->loggedInUser));
        $this->assertNotEquals($previous_permissions_hash, $current_permissions_hash, 'Permissions hash has changed.');
        // Permissions can be changed using the module-specific pages with the same
        // result.
        $edit = [];
        $edit[$rid . '[access user profiles]'] = TRUE;
        $this->drupalGet('admin/people/permissions/module/user');
        $this->submitForm($edit, 'Save permissions');
        $this->assertSession()
            ->pageTextContains('The changes have been saved.');
        $storage->resetCache();
        $this->assertTrue($account->hasPermission('access user profiles'), 'User again has "access user profiles" permission.');
        $current_permissions_hash = $permissions_hash_generator->generate($account);
        $this->assertSame($current_permissions_hash, $permissions_hash_generator->generate($this->loggedInUser));
        $this->assertEquals($previous_permissions_hash, $current_permissions_hash, 'Permissions hash has reverted.');
        // Ensure that the admin role doesn't have any checkboxes.
        $this->drupalGet('admin/people/permissions');
        foreach (array_keys($this->container
            ->get('user.permissions')
            ->getPermissions()) as $permission) {
            $this->assertSession()
                ->checkboxChecked('administrator[' . $permission . ']');
            $this->assertSession()
                ->fieldDisabled('administrator[' . $permission . ']');
        }
    }
    
    /**
     * Tests assigning of permissions for the administrator role.
     */
    public function testAdministratorRole() : void {
        $this->drupalLogin($this->adminUser);
        $this->drupalGet('admin/people/role-settings');
        // Verify that the administration role is none by default.
        $this->assertTrue($this->assertSession()
            ->optionExists('edit-user-admin-role', '')
            ->isSelected());
        $this->assertFalse(Role::load($this->rid)
            ->isAdmin());
        // Set the user's role to be the administrator role.
        $edit = [];
        $edit['user_admin_role'] = $this->rid;
        $this->drupalGet('admin/people/role-settings');
        $this->submitForm($edit, 'Save configuration');
        \Drupal::entityTypeManager()->getStorage('user_role')
            ->resetCache();
        $this->assertTrue(Role::load($this->rid)
            ->isAdmin());
        // Enable block module and ensure the 'administer news feeds'
        // permission is assigned by default.
        \Drupal::service('module_installer')->install([
            'block',
        ]);
        $this->assertTrue($this->adminUser
            ->hasPermission('administer blocks'), 'The permission was automatically assigned to the administrator role');
        // Ensure that selecting '- None -' removes the admin role.
        $edit = [];
        $edit['user_admin_role'] = '';
        $this->drupalGet('admin/people/role-settings');
        $this->submitForm($edit, 'Save configuration');
        \Drupal::entityTypeManager()->getStorage('user_role')
            ->resetCache();
        \Drupal::configFactory()->reset();
        $this->assertFalse(Role::load($this->rid)
            ->isAdmin());
        // Manually create two admin roles, in that case the single select should be
        // hidden.
        Role::create([
            'id' => 'admin_role_0',
            'is_admin' => TRUE,
            'label' => 'Admin role 0',
        ])->save();
        Role::create([
            'id' => 'admin_role_1',
            'is_admin' => TRUE,
            'label' => 'Admin role 1',
        ])->save();
        $this->drupalGet('admin/people/role-settings');
        $this->assertSession()
            ->fieldNotExists('user_admin_role');
    }
    
    /**
     * Verify proper permission changes by user_role_change_permissions().
     */
    public function testUserRoleChangePermissions() : void {
        $permissions_hash_generator = $this->container
            ->get('user_permissions_hash_generator');
        $rid = $this->rid;
        $account = $this->adminUser;
        $previous_permissions_hash = $permissions_hash_generator->generate($account);
        // Verify current permissions.
        $this->assertFalse($account->hasPermission('administer users'), 'User does not have "administer users" permission.');
        $this->assertTrue($account->hasPermission('access user profiles'), 'User has "access user profiles" permission.');
        $this->assertTrue($account->hasPermission('administer site configuration'), 'User has "administer site configuration" permission.');
        // Change permissions.
        $permissions = [
            'administer users' => 1,
            'access user profiles' => 0,
        ];
        user_role_change_permissions($rid, $permissions);
        // Verify proper permission changes.
        $this->assertTrue($account->hasPermission('administer users'), 'User now has "administer users" permission.');
        $this->assertFalse($account->hasPermission('access user profiles'), 'User no longer has "access user profiles" permission.');
        $this->assertTrue($account->hasPermission('administer site configuration'), 'User still has "administer site configuration" permission.');
        // Verify the permissions hash has changed.
        $current_permissions_hash = $permissions_hash_generator->generate($account);
        $this->assertNotEquals($previous_permissions_hash, $current_permissions_hash, 'Permissions hash has changed.');
    }
    
    /**
     * Verify 'access content' is listed in the correct location.
     */
    public function testAccessContentPermission() : void {
        $this->drupalLogin($this->adminUser);
        // When Node is not installed the 'access content' permission is listed next
        // to 'access site reports'.
        $this->drupalGet('admin/people/permissions');
        $next_row = $this->xpath('//tr[@data-drupal-selector=\'edit-permissions-access-content\']/following-sibling::tr[1]');
        $this->assertEquals('edit-permissions-access-site-reports', $next_row[0]->getAttribute('data-drupal-selector'));
        // When Node is installed the 'access content' permission is listed next to
        // to 'view own unpublished content'.
        \Drupal::service('module_installer')->install([
            'node',
        ]);
        $this->drupalGet('admin/people/permissions');
        $next_row = $this->xpath('//tr[@data-drupal-selector=\'edit-permissions-access-content\']/following-sibling::tr[1]');
        $this->assertEquals('edit-permissions-view-own-unpublished-content', $next_row[0]->getAttribute('data-drupal-selector'));
    }
    
    /**
     * Verify that module-specific pages have correct access.
     */
    public function testAccessModulePermission() : void {
        $this->drupalLogin($this->adminUser);
        // When Node is not installed, the node-permissions page is not available.
        $this->drupalGet('admin/people/permissions/module/node');
        $this->assertSession()
            ->statusCodeEquals(403);
        // Modules that do not create permissions have no permissions pages.
        \Drupal::service('module_installer')->install([
            'automated_cron',
        ]);
        $this->drupalGet('admin/people/permissions/module/automated_cron');
        $this->assertSession()
            ->statusCodeEquals(403);
        $this->drupalGet('admin/people/permissions/module/node,automated_cron');
        $this->assertSession()
            ->statusCodeEquals(403);
        // When Node is installed, the node-permissions page is available.
        \Drupal::service('module_installer')->install([
            'node',
        ]);
        $this->drupalGet('admin/people/permissions/module/node');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->drupalGet('admin/people/permissions/module/node,automated_cron');
        $this->assertSession()
            ->statusCodeEquals(200);
        // Anonymous users cannot access any of these pages.
        $this->drupalLogout();
        $this->drupalGet('admin/people/permissions/module/node');
        $this->assertSession()
            ->statusCodeEquals(403);
        $this->drupalGet('admin/people/permissions/module/automated_cron');
        $this->assertSession()
            ->statusCodeEquals(403);
        $this->drupalGet('admin/people/permissions/module/node,automated_cron');
        $this->assertSession()
            ->statusCodeEquals(403);
    }
    
    /**
     * Verify that bundle-specific pages work properly.
     */
    public function testAccessBundlePermission() : void {
        $this->drupalLogin($this->adminUser);
        \Drupal::service('module_installer')->install([
            'contact',
            'taxonomy',
        ]);
        $this->grantPermissions(Role::load($this->rid), [
            'administer contact forms',
            'administer taxonomy',
        ]);
        // Bundles that do not have permissions have no permissions pages.
        $edit = [];
        $edit['label'] = 'Test contact type';
        $edit['id'] = 'test_contact_type';
        $edit['recipients'] = 'webmaster@example.com';
        $this->drupalGet('admin/structure/contact/add');
        $this->submitForm($edit, 'Save');
        $this->assertSession()
            ->pageTextContains('Contact form ' . $edit['label'] . ' has been added.');
        $this->drupalGet('admin/structure/contact/manage/test_contact_type/permissions');
        $this->assertSession()
            ->statusCodeEquals(403);
        // Permissions can be changed using the bundle-specific pages.
        $edit = [];
        $edit['name'] = 'Test vocabulary';
        $edit['vid'] = 'test_vocabulary';
        $this->drupalGet('admin/structure/taxonomy/add');
        $this->submitForm($edit, 'Save');
        $this->drupalGet('admin/structure/taxonomy/manage/test_vocabulary/overview/permissions');
        $this->assertSession()
            ->checkboxNotChecked('authenticated[create terms in test_vocabulary]');
        $this->assertSession()
            ->fieldExists('authenticated[create terms in test_vocabulary]')
            ->check();
        $this->getSession()
            ->getPage()
            ->pressButton('Save permissions');
        $this->assertSession()
            ->pageTextContains('The changes have been saved.');
        $this->assertSession()
            ->checkboxChecked('authenticated[create terms in test_vocabulary]');
        // Typos produce 404 response, not server errors.
        $this->drupalGet('admin/structure/taxonomy/manage/test_typo/overview/permissions');
        $this->assertSession()
            ->statusCodeEquals(404);
        // Anonymous users cannot access any of these pages.
        $this->drupalLogout();
        $this->drupalGet('admin/structure/taxonomy/manage/test_vocabulary/overview/permissions');
        $this->assertSession()
            ->statusCodeEquals(403);
        $this->drupalGet('admin/structure/contact/manage/test_contact_type/permissions');
        $this->assertSession()
            ->statusCodeEquals(403);
    }
    
    /**
     * Tests that access check does not trigger warnings.
     *
     * The access check for /admin/structure/comment/manage/comment/permissions is
     * \Drupal\user\Form\EntityPermissionsForm::EntityPermissionsForm::access().
     */
    public function testBundlePermissionError() : void {
        \Drupal::service('module_installer')->install([
            'comment',
            'dblog',
            'field_ui',
            'node',
        ]);
        // Set up the node and comment field. Use the 'default' view mode since
        // 'full' is not defined, so it will not be added to the config entity.
        $this->drupalCreateContentType([
            'type' => 'article',
        ]);
        $this->addDefaultCommentField('node', 'article', comment_view_mode: 'default');
        $this->drupalLogin($this->adminUser);
        $this->grantPermissions(Role::load($this->rid), [
            'access site reports',
            'administer comment display',
        ]);
        // Access both the Manage display and permission page, which is not
        // accessible currently.
        $assert_session = $this->assertSession();
        $this->drupalGet('/admin/structure/comment/manage/comment/display');
        $assert_session->statusCodeEquals(200);
        $this->drupalGet('/admin/structure/comment/manage/comment/permissions');
        $assert_session->statusCodeEquals(403);
        // Ensure there are no warnings in the log.
        $this->drupalGet('/admin/reports/dblog');
        $assert_session->statusCodeEquals(200);
        $assert_session->pageTextContains('access denied');
        $assert_session->pageTextNotContains("Entity view display 'node.article.default': Component");
    }

}