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Merge pull request #25048 from owncloud/email-login-leak 

Do not leak the login name
This commit is contained in:
Vincent Petry 2016-06-10 10:41:27 +02:00 committed by GitHub
parent 543545505d 232d735893
commit 6660488b73
2 changed files with 43 additions and 10 deletions
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5
core/Controller/LoginController.php
View File

@ -171,6 +171,7 @@ class LoginController extends Controller {
* @return RedirectResponse
*/
public function tryLogin($user, $password, $redirect_url) {
$originalUser = $user;
// TODO: Add all the insane error handling
/* @var $loginResult IUser */
$loginResult = $this->userManager->checkPassword($user, $password);
@ -186,8 +187,8 @@ class LoginController extends Controller {
$this->session->set('loginMessages', [
['invalidpassword']
]);
// Read current user and append if possible
$args = !is_null($user) ? ['user' => $user] : [];
// Read current user and append if possible - we need to return the unmodified user otherwise we will leak the login name
$args = !is_null($user) ? ['user' => $originalUser] : [];
return new RedirectResponse($this->urlGenerator->linkToRoute('core.login.showLoginForm', $args));
}
// TODO: remove password checks from above and let the user session handle failures

48
tests/Core/Controller/LoginControllerTest.php
View File

@ -29,6 +29,7 @@ use OCP\IConfig;
use OCP\IRequest;
use OCP\ISession;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\IUserManager;
use OCP\IUserSession;
use Test\TestCase;
@ -36,19 +37,19 @@ use Test\TestCase;
class LoginControllerTest extends TestCase {
/** @var LoginController */
private $loginController;
/** @var IRequest */
/** @var IRequest | \PHPUnit_Framework_MockObject_MockObject */
private $request;
/** @var IUserManager */
/** @var IUserManager | \PHPUnit_Framework_MockObject_MockObject */
private $userManager;
/** @var IConfig */
/** @var IConfig | \PHPUnit_Framework_MockObject_MockObject */
private $config;
/** @var ISession */
/** @var ISession | \PHPUnit_Framework_MockObject_MockObject */
private $session;
/** @var IUserSession */
/** @var IUserSession | \PHPUnit_Framework_MockObject_MockObject */
private $userSession;
/** @var IURLGenerator */
/** @var IURLGenerator | \PHPUnit_Framework_MockObject_MockObject */
private $urlGenerator;
/** @var Manager */
/** @var Manager | \PHPUnit_Framework_MockObject_MockObject */
private $twoFactorManager;
public function setUp() {
@ -296,6 +297,7 @@ class LoginControllerTest extends TestCase {
}
public function testLoginWithValidCredentials() {
/** @var IUser | \PHPUnit_Framework_MockObject_MockObject $user */
$user = $this->getMock('\OCP\IUser');
$password = 'secret';
$indexPageUrl = 'some url';
@ -323,6 +325,7 @@ class LoginControllerTest extends TestCase {
}
public function testLoginWithValidCredentialsAndRedirectUrl() {
/** @var IUser | \PHPUnit_Framework_MockObject_MockObject $user */
$user = $this->getMock('\OCP\IUser');
$user->expects($this->any())
->method('getUID')
@ -352,6 +355,7 @@ class LoginControllerTest extends TestCase {
}
public function testLoginWithTwoFactorEnforced() {
/** @var IUser | \PHPUnit_Framework_MockObject_MockObject $user */
$user = $this->getMock('\OCP\IUser');
$user->expects($this->any())
->method('getUID')
@ -380,8 +384,36 @@ class LoginControllerTest extends TestCase {
->with('core.TwoFactorChallenge.selectChallenge')
->will($this->returnValue($challengeUrl));
$expected = new \OCP\AppFramework\Http\RedirectResponse($challengeUrl);
$expected = new RedirectResponse($challengeUrl);
$this->assertEquals($expected, $this->loginController->tryLogin('john@doe.com', $password, null));
}
public function testToNotLeakLoginName() {
/** @var IUser | \PHPUnit_Framework_MockObject_MockObject $user */
$user = $this->getMock('\OCP\IUser');
$user->expects($this->any())
->method('getUID')
->will($this->returnValue('john'));
$this->userManager->expects($this->exactly(2))
->method('checkPassword')
->withConsecutive(
['john@doe.com', 'just wrong'],
['john', 'just wrong']
)
->willReturn(false);
$this->userManager->expects($this->once())
->method('getByEmail')
->with('john@doe.com')
->willReturn([$user]);
$this->urlGenerator->expects($this->once())
->method('linkToRoute')
->with('core.login.showLoginForm', ['user' => 'john@doe.com'])
->will($this->returnValue(''));
$expected = new RedirectResponse('');
$this->assertEquals($expected, $this->loginController->tryLogin('john@doe.com', 'just wrong', null));
}
}