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[SECURITY] Fix nickname validation and properly allow email auth

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This commit is contained in:
Diogo Peralta Cordeiro 2021-10-10 17:41:30 +01:00
parent 071b769997
commit 03f6029ce5
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GPG Key ID: 18D2D35001FBFAB0
13 changed files with 163 additions and 176 deletions
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13
config/packages/security.yaml
View File

@ -1,10 +1,17 @@
security:
# https://symfony.com/doc/current/security.html#where-do-users-come-from-user-providers
providers:
users:
local_user:
chain:
providers: [local_user_by_nickname, local_user_by_email]
local_user_by_nickname:
entity:
class: 'App\Entity\LocalUser'
property: 'nickname'
local_user_by_email:
entity:
class: 'App\Entity\LocalUser'
property: 'email'
firewalls:
dev:
pattern: ^/(_(profiler|wdt)|css|images|js)/
@ -12,12 +19,12 @@ security:
main:
anonymous: true
lazy: true
provider: users
provider: local_user
guard:
authenticators:
- App\Security\Authenticator
logout:
path: logout
path: security_logout
# where to redirect after logout
target: main_all

3
social.yaml
View File

@ -149,7 +149,7 @@ parameters:
image: "/theme/licenses/cc_by_4.0.png"
nickname:
reserved:
blacklisted:
- doc
- main
- avatar
@ -157,7 +157,6 @@ parameters:
- settings
- admin
featured: []
min_length: 4
password:
min_length: 6

44
src/Controller/Security.php
View File

@ -5,6 +5,8 @@ namespace App\Controller;
use App\Core\Controller;
use App\Core\DB\DB;
use App\Core\Form;
use App\Util\Exception\NicknameInvalidException;
use LogicException;
use function App\Core\I18n\_m;
use App\Core\Log;
use App\Core\VisibilityScope;
@ -18,11 +20,9 @@ use App\Util\Common;
use App\Util\Exception\DuplicateFoundException;
use App\Util\Exception\EmailTakenException;
use App\Util\Exception\NicknameEmptyException;
use App\Util\Exception\NicknameReservedException;
use App\Util\Exception\NicknameNotAllowedException;
use App\Util\Exception\NicknameTakenException;
use App\Util\Exception\NicknameTooLongException;
use App\Util\Exception\NicknameTooShortException;
use App\Util\Exception\NotImplementedException;
use App\Util\Exception\ServerException;
use App\Util\Form\FormFields;
use App\Util\Nickname;
@ -66,7 +66,7 @@ class Security extends Controller
*/
public function logout()
{
throw new \LogicException('This method can be blank - it will be intercepted by the logout key on your firewall.');
throw new LogicException('This method can be blank - it will be intercepted by the logout key on your firewall.');
}
/**
@ -78,17 +78,16 @@ class Security extends Controller
* @param GuardAuthenticatorHandler $guard_handler
* @param Authenticator $authenticator
*
* @return null|array|Response
* @throws EmailTakenException
* @throws NicknameTakenException
* @throws ServerException
* @throws DuplicateFoundException
* @throws NicknameEmptyException
* @throws NicknameReservedException
* @throws NicknameNotAllowedException
* @throws NicknameTooLongException
* @throws NicknameTooShortException
* @throws NotImplementedException
* @throws NicknameInvalidException
*
* @return null|array|Response
*/
public function register(Request $request,
GuardAuthenticatorHandler $guard_handler,
@ -101,8 +100,8 @@ class Security extends Controller
'constraints' => [
new NotBlank(['message' => _m('Please enter a nickname')]),
new Length([
'min' => Common::config('nickname', 'min_length'),
'minMessage' => _m(['Your nickname must be at least # characters long'], ['count' => Common::config('nickname', 'min_length')]),
'min' => 1,
'minMessage' => _m(['Your nickname must be at least # characters long'], ['count' => 1]),
'max' => Nickname::MAX_LEN,
'maxMessage' => _m(['Your nickname must be at most # characters long'], ['count' => Nickname::MAX_LEN]), ]),
],
@ -128,29 +127,16 @@ class Security extends Controller
$data = $form->getData();
$data['password'] = $form->get('password')->getData();
// This will throw the appropriate errors, result ignored
$user = LocalUser::findByNicknameOrEmail($data['nickname'], $data['email']);
if ($user !== null) {
// TODO: ensure there's no user with this email registered already
// If we do find something, there's a duplicate
if ($user->getNickname() === $data['nickname']) {
// Register page feedback on nickname already in use
$this->addFlash('verify_nickname_error', _m('Nickname is already in use on this server.'));
throw new NicknameTakenException;
} else {
// Register page feedback on email already in use
$this->addFlash('verify_email_error', _m('Email is already taken.'));
throw new EmailTakenException;
}
}
$valid_nickname = Nickname::validate($data['nickname'], check_already_used: false);
// Already used is checked below
$sanitized_nickname = Nickname::normalize($data['nickname'], check_already_used: false);
try {
// This already checks if the nickname is being used
$actor = Actor::create(['nickname' => $valid_nickname]);
$actor = Actor::create(['nickname' => $sanitized_nickname]);
$user = LocalUser::create([
'nickname' => $valid_nickname,
'nickname' => $sanitized_nickname,
'outgoing_email' => $data['email'],
'incoming_email' => $data['email'],
'password' => LocalUser::hashPassword($data['password']),
@ -166,7 +152,7 @@ class Security extends Controller
} catch (UniqueConstraintViolationException $e) {
// _something_ was duplicated, but since we already check if nickname is in use, we can't tell what went wrong
$e = 'An error occurred while trying to register';
Log::critical($e . " with nickname: '{$valid_nickname}' and email '{$data['email']}'");
Log::critical($e . " with nickname: '{$sanitized_nickname}' and email '{$data['email']}'");
throw new ServerException(_m($e));
}
// @codeCoverageIgnoreEnd

4
src/Entity/LocalUser.php
View File

@ -308,9 +308,9 @@ class LocalUser extends Entity implements UserInterface
*
* @return self Returns self if nickname or email found
*/
public static function findByNicknameOrEmail(string $nickname, string $email): ?self
public static function getByEmail(string $email): ?self
{
$users = DB::findBy('local_user', ['or' => ['nickname' => $nickname, 'outgoing_email' => $email, 'incoming_email' => $email]]);
$users = DB::findBy('local_user', ['or' => ['outgoing_email' => $email, 'incoming_email' => $email]]);
switch (count($users)) {
case 0:
return null;

12
src/Routes/Main.php
View File

@ -45,12 +45,12 @@ abstract class Main
public static function load(RouteLoader $r): void
{
$r->connect('login', '/login', [C\Security::class, 'login']);
$r->connect('logout', '/logout', [C\Security::class, 'logout']);
$r->connect('register', '/register', [C\Security::class, 'register']);
$r->connect('check_email', '/check-email', [C\ResetPassword::class, 'checkEmail']);
$r->connect('request_reset_password', '/request-reset-password', [C\ResetPassword::class, 'requestPasswordReset']);
$r->connect('reset_password', '/reset/{token?}', [C\ResetPassword::class, 'reset']);
$r->connect('security_login', '/main/login', [C\Security::class, 'login']);
$r->connect('security_logout', '/main/logout', [C\Security::class, 'logout']);
$r->connect('security_register', '/main/register', [C\Security::class, 'register']);
$r->connect('security_check_email', '/main/check-email', [C\ResetPassword::class, 'checkEmail']);
$r->connect('security_recover_password', '/main/recover-password', [C\ResetPassword::class, 'requestPasswordReset']);
$r->connect('security_recover_password_token', '/main/recover-password/{token?}', [C\ResetPassword::class, 'reset']);
$r->connect('root', '/', RedirectController::class, ['defaults' => ['route' => 'main_all']]);
$r->connect('main_public', '/main/public', [C\Network::class, 'public']);

33
src/Security/Authenticator.php
View File

@ -20,6 +20,8 @@
namespace App\Security;
use App\Core\DB\DB;
use App\Util\Exception\NoSuchActorException;
use App\Util\Exception\NotFoundException;
use function App\Core\I18n\_m;
use App\Entity\LocalUser;
use App\Entity\User;
@ -52,7 +54,7 @@ class Authenticator extends AbstractFormLoginAuthenticator
{
use TargetPathTrait;
public const LOGIN_ROUTE = 'login';
public const LOGIN_ROUTE = 'security_login';
private $urlGenerator;
private $csrfTokenManager;
@ -70,17 +72,11 @@ class Authenticator extends AbstractFormLoginAuthenticator
public function getCredentials(Request $request)
{
$credentials = [
'nickname' => $request->request->get('nickname'),
return [
'nickname_or_email' => $request->request->get('nickname_or_email'),
'password' => $request->request->get('password'),
'csrf_token' => $request->request->get('_csrf_token'),
];
$request->getSession()->set(
Security::LAST_USERNAME,
$credentials['nickname']
);
return $credentials;
}
public function getUser($credentials, UserProviderInterface $userProvider)
@ -90,12 +86,17 @@ class Authenticator extends AbstractFormLoginAuthenticator
throw new InvalidCsrfTokenException();
}
// $nick = Nickname::normalize($credentials['nickname']);
$nick = $credentials['nickname'];
$user = null;
try {
$user = DB::findOneBy('local_user', ['or' => ['nickname' => $nick, 'outgoing_email' => $nick]]);
} catch (Exception $e) {
if (filter_var($credentials['nickname_or_email'], FILTER_VALIDATE_EMAIL) !== false) {
$user = LocalUser::getByEmail($credentials['nickname_or_email']);
} else {
$user = LocalUser::getWithPK(['nickname' => Nickname::normalize($credentials['nickname_or_email'], check_already_used: false)]);
}
if ($user === null) {
throw new NoSuchActorException('No such local user.');
}
$credentials['nickname'] = $user->getNickname();
} catch (Exception) {
throw new CustomUserMessageAuthenticationException(
_m('Invalid login credentials.'));
}
@ -118,6 +119,10 @@ class Authenticator extends AbstractFormLoginAuthenticator
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
$request->getSession()->set(
Security::LAST_USERNAME,
$token->getUser()->getNickname()
);
if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
return new RedirectResponse($targetPath);
}

4
src/Util/Exception/NicknameReservedException.php → src/Util/Exception/NicknameNotAllowedException.php
View File

@ -41,11 +41,11 @@ namespace App\Util\Exception;
use function App\Core\I18n\_m;
class NicknameReservedException extends NicknameException
class NicknameNotAllowedException extends NicknameException
{
protected function defaultMessage(): string
{
// TRANS: Validation error in form for registration, profile and group settings, etc.
return _m('Nickname is reserved.');
return _m('This nickname is not allowed.');
}
}

54
src/Util/Exception/NicknameTooShortException.php
View File

@ -1,54 +0,0 @@
<?php
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
/**
* Nickname too long exception
*
* @category Exception
* @package GNUsocial
*
* @author Zach Copley <zach@status.net>
* @copyright 2010 StatusNet Inc.
* @author Brion Vibber <brion@pobox.com>
* @author Mikael Nordfeldth <mmn@hethane.se>
* @author Nym Coy <nymcoy@gmail.com>
* @copyright 2009-2014 Free Software Foundation, Inc http://www.fsf.org
* @auuthor Daniel Supernault <danielsupernault@gmail.com>
* @auuthor Diogo Cordeiro <diogo@fc.up.pt>
*
* @author Hugo Sales <hugo@hsal.es>
* @copyright 2018-2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
namespace App\Util\Exception;
use function App\Core\I18n\_m;
use App\Util\Common;
class NicknameTooShortException extends NicknameInvalidException
{
protected function defaultMessage(): string
{
// TRANS: Validation error in form for registration, profile and group settings, etc.
return _m(['Nickname cannot be less than # character long.'], ['count' => Common::config('nickname', 'min_length')]);
}
}

30
src/Util/Exception/NoSuchActorException.php Normal file
View File

@ -0,0 +1,30 @@
<?php
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
namespace App\Util\Exception;
class NoSuchActorException extends ClientException
{
public function __construct(string $m)
{
parent::__construct($m);
}
}

88
src/Util/Nickname.php
View File

@ -25,13 +25,13 @@ use App\Entity\LocalUser;
use App\Util\Exception\NicknameEmptyException;
use App\Util\Exception\NicknameException;
use App\Util\Exception\NicknameInvalidException;
use App\Util\Exception\NicknameReservedException;
use App\Util\Exception\NicknameNotAllowedException;
use App\Util\Exception\NicknameTakenException;
use App\Util\Exception\NicknameTooLongException;
use App\Util\Exception\NicknameTooShortException;
use App\Util\Exception\NotImplementedException;
use Functional as F;
use Normalizer;
use InvalidArgumentException;
/**
* Nickname validation
@ -45,9 +45,8 @@ use Normalizer;
* @author Mikael Nordfeldth <mmn@hethane.se>
* @author Nym Coy <nymcoy@gmail.com>
* @copyright 2009-2014 Free Software Foundation, Inc http://www.fsf.org
* @auuthor Daniel Supernault <danielsupernault@gmail.com>
* @auuthor Diogo Cordeiro <diogo@fc.up.pt>
*
* @author Daniel Supernault <danielsupernault@gmail.com>
* @author Diogo Cordeiro <mail@diogo.site>
* @author Hugo Sales <hugo@hsal.es>
* @copyright 2018-2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
@ -91,6 +90,11 @@ class Nickname
*/
const WEBFINGER_FMT = '(?:\w+[\w\-\_\.]*)?\w+\@' . URL_REGEX_DOMAIN_NAME;
/**
* Maximum number of characters in a canonical-form nickname. Changes must validate regexs
*/
const MAX_LEN = 64;
/**
* Regex fragment for checking a canonical nickname.
*
@ -104,12 +108,7 @@ class Nickname
*
* This, INPUT_FMT and DISPLAY_FMT should not be enclosed in []s.
*/
const CANONICAL_FMT = '[0-9a-z]{1,64}';
/**
* Maximum number of characters in a canonical-form nickname. Changes must validate regexs
*/
const MAX_LEN = 64;
const CANONICAL_FMT = '[0-9a-z]{1,' . self::MAX_LEN . '}';
/**
* Regex with non-capturing group that matches whitespace and some
@ -127,26 +126,31 @@ class Nickname
/**
* Check if a nickname is valid or throw exceptions if it's not.
* Can optionally check if the nickname is currently in use
* @param string $nickname
* @param bool $check_already_used
* @param int $which
* @param bool $check_is_allowed
* @return bool
* @throws NicknameEmptyException
* @throws NicknameNotAllowedException
* @throws NicknameTakenException
* @throws NicknameTooLongException
*/
public static function validate(string $nickname, bool $check_already_used = false, int $which = self::CHECK_LOCAL_USER)
public static function validate(string $nickname, bool $check_already_used = false, int $which = self::CHECK_LOCAL_USER, bool $check_is_allowed = true): bool
{
$nickname = trim($nickname);
$length = mb_strlen($nickname);
if ($length < 1) {
throw new NicknameEmptyException();
} elseif ($length < Common::config('nickname', 'min_length')) {
// dd($nickname, $length, Common::config('nickname', 'min_length'));
throw new NicknameTooShortException();
} else {
if ($length > self::MAX_LEN) {
throw new NicknameTooLongException();
} elseif (self::isReserved($nickname) || Common::isSystemPath($nickname)) {
throw new NicknameReservedException();
} elseif ($check_is_allowed && self::isBlacklisted($nickname)) {
throw new NicknameNotAllowedException();
} elseif ($check_already_used) {
switch ($which) {
case self::CHECK_LOCAL_USER:
$lu = LocalUser::findByNicknameOrEmail($nickname, email: '');
$lu = LocalUser::getWithPK(['nickname' => $nickname]);
if ($lu !== null) {
throw new NicknameTakenException($lu->getActor());
}
@ -156,37 +160,38 @@ class Nickname
throw new NotImplementedException();
break;
default:
throw new \InvalidArgumentException();
throw new InvalidArgumentException();
// @codeCoverageIgnoreEnd
}
}
}
return $nickname;
return true;
}
/**
* Normalize an input $nickname, and normalize it to its canonical form.
* Normalize input $nickname to its canonical form and validates it.
* The canonical form will be returned, or an exception thrown if invalid.
*
* @throws NicknameException (base class)
* @param string $nickname
* @param bool $check_already_used
* @param bool $check_is_allowed
* @return string
* @throws NicknameEmptyException
* @throws NicknameInvalidException
* @throws NicknameNotAllowedException
* @throws NicknameTakenException
* @throws NicknameTooLongException
* @throws NicknameTooShortException
*/
public static function normalize(string $nickname, bool $check_already_used = true, bool $checking_reserved = false): string
public static function normalize(string $nickname, bool $check_already_used = true, bool $check_is_allowed = true): string
{
if (!$checking_reserved) {
$nickname = self::validate($nickname, $check_already_used);
}
$nickname = trim($nickname);
$nickname = str_replace('_', '', $nickname);
$nickname = mb_strtolower($nickname);
$nickname = Normalizer::normalize($nickname, Normalizer::FORM_C);
if (!self::isCanonical($nickname) && !filter_var($nickname, FILTER_VALIDATE_EMAIL)) {
// We could do UTF-8 normalization (å to a, etc.) with something like Normalizer::normalize($nickname, Normalizer::FORM_C)
// We won't as it could confuse tremendously the user, he must know what is valid and should fix his own input
if (!self::validate($nickname, $check_already_used, $check_is_allowed) || !self::isCanonical($nickname)) {
throw new NicknameInvalidException();
}
@ -201,11 +206,11 @@ class Nickname
*
* @return bool True if nickname is valid. False if invalid (or taken if $check_already_used == true).
*/
public static function isValid(string $nickname, bool $check_already_used = true): bool
public static function isValid(string $nickname, bool $check_already_used = true, bool $check_is_allowed = true): bool
{
try {
self::normalize($nickname, $check_already_used);
} catch (NicknameException $e) {
self::normalize($nickname, $check_already_used, $check_is_allowed);
} catch (NicknameException) {
return false;
}
@ -214,6 +219,8 @@ class Nickname
/**
* Is the given string a valid canonical nickname form?
* @param string $nickname
* @return bool
*/
public static function isCanonical(string $nickname): bool
{
@ -222,15 +229,22 @@ class Nickname
/**
* Is the given string in our nickname blacklist?
* @param string $nickname
* @return bool
* @throws NicknameEmptyException
* @throws NicknameInvalidException
* @throws NicknameNotAllowedException
* @throws NicknameTakenException
* @throws NicknameTooLongException
*/
public static function isReserved(string $nickname): bool
public static function isBlacklisted(string $nickname): bool
{
$reserved = Common::config('nickname', 'reserved');
$reserved = Common::config('nickname', 'blacklist');
if (empty($reserved)) {
return false;
}
return in_array($nickname, array_merge($reserved, F\map($reserved, function ($n) {
return self::normalize($n, check_already_used: false, checking_reserved: true);
return self::normalize($n, check_already_used: false, check_is_allowed: true);
})));
}
}

6
templates/cards/navigation/view.html.twig
View File

@ -89,7 +89,7 @@
Settings
</a>
<a title='{{ 'Logout from your account.' | trans }}' href='{{ path('logout') }}'>
<a title='{{ 'Logout from your account.' | trans }}' href='{{ path('security_logout') }}'>
Logout
</a>
</nav>
@ -100,11 +100,11 @@
<h2 class="section-title">Account</h2>
<nav tabindex="0" class="profile-navigation" title="{{ 'Navigate through account related pages.' | trans }}">
<a title='{{ 'Login with your existing account.' | trans }}' href="{{ path('login') }}" class='hover-effect {{ active('login') }}'>
<a title='{{ 'Login with your existing account.' | trans }}' href="{{ path('security_login') }}" class='hover-effect {{ active('login') }}'>
Login
</a>
<a title='{{ 'Register a new account!' | trans }}' href="{{ path('register') }}">
<a title='{{ 'Register a new account!' | trans }}' href="{{ path('security_register') }}">
Register
</a>

6
templates/security/login.html.twig
View File

@ -37,11 +37,11 @@
{% else %}
{# TODO: Login can be done with email, so the id's and stuff should reflect that, along with using the translation facilities #}
{# TODO: Login can be done with email, so the element id's should reflect that #}
<div class="form-group">
<label class="section-form-label" for="inputNickname">{{ "Nickname or Email" | trans }}</label>
<input type="text" value="{{ last_login_id }}" name="nickname" id="inputNickname" class="form-control" required autofocus>
<p class="help-text">{{ "Your nickname." | trans }}</p>
<input type="text" value="{{ last_login_id }}" name="nickname_or_email" id="inputNickname" class="form-control" required autofocus>
<p class="help-text">{{ "Your nickname or email address." | trans }}</p>
</div>
<div class="form-group">
<label class="section-form-label" for="inputPassword">{{ "Password" | trans }}</label>

10
tests/Util/NicknameTest.php
View File

@ -22,7 +22,7 @@ namespace App\Tests\Util;
use App\Util\Common;
use App\Util\Exception\NicknameEmptyException;
use App\Util\Exception\NicknameInvalidException;
use App\Util\Exception\NicknameReservedException;
use App\Util\Exception\NicknameNotAllowedException;
use App\Util\Exception\NicknameTakenException;
use App\Util\Exception\NicknameTooLongException;
use App\Util\Exception\NicknameTooShortException;
@ -53,7 +53,7 @@ class NicknameTest extends GNUsocialTestCase
static::assertThrows(NicknameTooShortException::class, fn () => Nickname::normalize('foo', check_already_used: false));
static::assertThrows(NicknameEmptyException::class, fn () => Nickname::normalize('', check_already_used: false));
// static::assertThrows(NicknameInvalidException::class, fn () => Nickname::normalize('FóóBár', check_already_used: false));
static::assertThrows(NicknameReservedException::class, fn () => Nickname::normalize('this_nickname_is_reserved', check_already_used: false));
static::assertThrows(NicknameNotAllowedException::class, fn () => Nickname::normalize('this_nickname_is_reserved', check_already_used: false));
static::bootKernel();
static::assertSame('foobar', Nickname::normalize('foobar', check_already_used: true));
@ -79,13 +79,13 @@ class NicknameTest extends GNUsocialTestCase
static::assertTrue($cb instanceof ContainerBagInterface);
$cb->method('get')->willReturnMap([['gnusocial', $conf], ['gnusocial_defaults', $conf]]);
Common::setupConfig($cb);
static::assertTrue(Nickname::isReserved('this_nickname_is_reserved'));
static::assertFalse(Nickname::isReserved('this_nickname_is_not_reserved'));
static::assertTrue(Nickname::isBlacklisted('this_nickname_is_reserved'));
static::assertFalse(Nickname::isBlacklisted('this_nickname_is_not_reserved'));
$conf = ['nickname' => ['min_length' => 4, 'reserved' => []]];
$cb = $this->createMock(ContainerBagInterface::class);
$cb->method('get')->willReturnMap([['gnusocial', $conf], ['gnusocial_defaults', $conf]]);
Common::setupConfig($cb);
static::assertFalse(Nickname::isReserved('this_nickname_is_reserved'));
static::assertFalse(Nickname::isBlacklisted('this_nickname_is_reserved'));
}
}