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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Authentication related tests.
*
* @package core_auth
* @category phpunit
* @copyright 2012 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Functional test for authentication related APIs.
*/
class core_authlib_testcase extends advanced_testcase {
public function test_lockout() {
global $CFG;
require_once("$CFG->libdir/authlib.php");
$this->resetAfterTest();
$oldlog = ini_get('error_log');
ini_set('error_log', "$CFG->dataroot/testlog.log"); // Prevent standard logging.
unset_config('noemailever');
set_config('lockoutthreshold', 0);
set_config('lockoutwindow', 60*20);
set_config('lockoutduration', 60*30);
$user = $this->getDataGenerator()->create_user();
// Test lockout is disabled when threshold not set.
$this->assertFalse(login_is_lockedout($user));
login_attempt_failed($user);
login_attempt_failed($user);
login_attempt_failed($user);
login_attempt_failed($user);
$this->assertFalse(login_is_lockedout($user));
// Test lockout threshold works.
set_config('lockoutthreshold', 3);
login_attempt_failed($user);
login_attempt_failed($user);
$this->assertFalse(login_is_lockedout($user));
$sink = $this->redirectEmails();
login_attempt_failed($user);
$this->assertCount(1, $sink->get_messages());
$sink->close();
$this->assertTrue(login_is_lockedout($user));
// Test unlock works.
login_unlock_account($user);
$this->assertFalse(login_is_lockedout($user));
// Test lockout window works.
login_attempt_failed($user);
login_attempt_failed($user);
$this->assertFalse(login_is_lockedout($user));
set_user_preference('login_failed_last', time()-60*20-10, $user);
login_attempt_failed($user);
$this->assertFalse(login_is_lockedout($user));
// Test valid login resets window.
login_attempt_valid($user);
$this->assertFalse(login_is_lockedout($user));
login_attempt_failed($user);
login_attempt_failed($user);
$this->assertFalse(login_is_lockedout($user));
// Test lock duration works.
$sink = $this->redirectEmails();
login_attempt_failed($user);
$this->assertCount(1, $sink->get_messages());
$sink->close();
$this->assertTrue(login_is_lockedout($user));
set_user_preference('login_lockout', time()-60*30+10, $user);
$this->assertTrue(login_is_lockedout($user));
set_user_preference('login_lockout', time()-60*30-10, $user);
$this->assertFalse(login_is_lockedout($user));
// Test lockout ignored pref works.
set_user_preference('login_lockout_ignored', 1, $user);
login_attempt_failed($user);
login_attempt_failed($user);
login_attempt_failed($user);
login_attempt_failed($user);
$this->assertFalse(login_is_lockedout($user));
ini_set('error_log', $oldlog);
}
public function test_authenticate_user_login() {
global $CFG;
$this->resetAfterTest();
$oldlog = ini_get('error_log');
ini_set('error_log', "$CFG->dataroot/testlog.log"); // Prevent standard logging.
unset_config('noemailever');
set_config('lockoutthreshold', 0);
set_config('lockoutwindow', 60*20);
set_config('lockoutduration', 60*30);
$_SERVER['HTTP_USER_AGENT'] = 'no browser'; // Hack around missing user agent in CLI scripts.
$user1 = $this->getDataGenerator()->create_user(array('username'=>'username1', 'password'=>'password1', 'email'=>'email1@example.com'));
$user2 = $this->getDataGenerator()->create_user(array('username'=>'username2', 'password'=>'password2', 'email'=>'email2@example.com', 'suspended'=>1));
$user3 = $this->getDataGenerator()->create_user(array('username'=>'username3', 'password'=>'password3', 'email'=>'email2@example.com', 'auth'=>'nologin'));
// Normal login.
$sink = $this->redirectEvents();
$result = authenticate_user_login('username1', 'password1');
$events = $sink->get_events();
$sink->close();
$this->assertEmpty($events);
$this->assertInstanceOf('stdClass', $result);
$this->assertEquals($user1->id, $result->id);
// Normal login with reason.
$reason = null;
$sink = $this->redirectEvents();
$result = authenticate_user_login('username1', 'password1', false, $reason);
$events = $sink->get_events();
$sink->close();
$this->assertEmpty($events);
$this->assertInstanceOf('stdClass', $result);
$this->assertEquals(AUTH_LOGIN_OK, $reason);
// Test login via email
$reason = null;
$this->assertEmpty($CFG->authloginviaemail);
$sink = $this->redirectEvents();
$result = authenticate_user_login('email1@example.com', 'password1', false, $reason);
$sink->close();
$this->assertFalse($result);
$this->assertEquals(AUTH_LOGIN_NOUSER, $reason);
set_config('authloginviaemail', 1);
$this->assertNotEmpty($CFG->authloginviaemail);
$sink = $this->redirectEvents();
$result = authenticate_user_login('email1@example.com', 'password1');
$events = $sink->get_events();
$sink->close();
$this->assertEmpty($events);
$this->assertInstanceOf('stdClass', $result);
$this->assertEquals($user1->id, $result->id);
$reason = null;
$sink = $this->redirectEvents();
$result = authenticate_user_login('email2@example.com', 'password2', false, $reason);
$events = $sink->get_events();
$sink->close();
$this->assertFalse($result);
$this->assertEquals(AUTH_LOGIN_NOUSER, $reason);
set_config('authloginviaemail', 0);
$reason = null;
// Capture failed login event.
$sink = $this->redirectEvents();
$result = authenticate_user_login('username1', 'nopass', false, $reason);
$events = $sink->get_events();
$sink->close();
$event = array_pop($events);
$this->assertFalse($result);
$this->assertEquals(AUTH_LOGIN_FAILED, $reason);
// Test Event.
$this->assertInstanceOf('\core\event\user_login_failed', $event);
$expectedlogdata = array(SITEID, 'login', 'error', 'index.php', 'username1');
$this->assertEventLegacyLogData($expectedlogdata, $event);
$eventdata = $event->get_data();
$this->assertSame($eventdata['other']['username'], 'username1');
$this->assertSame($eventdata['other']['reason'], AUTH_LOGIN_FAILED);
$this->assertEventContextNotUsed($event);
// Capture failed login token.
unset($CFG->alternateloginurl);
unset($CFG->disablelogintoken);
$sink = $this->redirectEvents();
$result = authenticate_user_login('username1', 'password1', false, $reason, 'invalidtoken');
$events = $sink->get_events();
$sink->close();
$event = array_pop($events);
$this->assertFalse($result);
$this->assertEquals(AUTH_LOGIN_FAILED, $reason);
// Test Event.
$this->assertInstanceOf('\core\event\user_login_failed', $event);
$expectedlogdata = array(SITEID, 'login', 'error', 'index.php', 'username1');
$this->assertEventLegacyLogData($expectedlogdata, $event);
$eventdata = $event->get_data();
$this->assertSame($eventdata['other']['username'], 'username1');
$this->assertSame($eventdata['other']['reason'], AUTH_LOGIN_FAILED);
$this->assertEventContextNotUsed($event);
// Login should work with invalid token if CFG login token settings override it.
$CFG->alternateloginurl = 'http://localhost/';
$sink = $this->redirectEvents();
$result = authenticate_user_login('username1', 'password1', false, $reason, 'invalidtoken');
$events = $sink->get_events();
$sink->close();
$this->assertEmpty($events);
$this->assertInstanceOf('stdClass', $result);
$this->assertEquals(AUTH_LOGIN_OK, $reason);
unset($CFG->alternateloginurl);
$CFG->disablelogintoken = true;
$sink = $this->redirectEvents();
$result = authenticate_user_login('username1', 'password1', false, $reason, 'invalidtoken');
$events = $sink->get_events();
$sink->close();
$this->assertEmpty($events);
$this->assertInstanceOf('stdClass', $result);
$this->assertEquals(AUTH_LOGIN_OK, $reason);
unset($CFG->disablelogintoken);
// Normal login with valid token.
$reason = null;
$token = \core\session\manager::get_login_token();
$sink = $this->redirectEvents();
$result = authenticate_user_login('username1', 'password1', false, $reason, $token);
$events = $sink->get_events();
$sink->close();
$this->assertEmpty($events);
$this->assertInstanceOf('stdClass', $result);
$this->assertEquals(AUTH_LOGIN_OK, $reason);
$reason = null;
// Capture failed login event.
$sink = $this->redirectEvents();
$result = authenticate_user_login('username2', 'password2', false, $reason);
$events = $sink->get_events();
$sink->close();
$event = array_pop($events);
$this->assertFalse($result);
$this->assertEquals(AUTH_LOGIN_SUSPENDED, $reason);
// Test Event.
$this->assertInstanceOf('\core\event\user_login_failed', $event);
$expectedlogdata = array(SITEID, 'login', 'error', 'index.php', 'username2');
$this->assertEventLegacyLogData($expectedlogdata, $event);
$eventdata = $event->get_data();
$this->assertSame($eventdata['other']['username'], 'username2');
$this->assertSame($eventdata['other']['reason'], AUTH_LOGIN_SUSPENDED);
$this->assertEventContextNotUsed($event);
$reason = null;
// Capture failed login event.
$sink = $this->redirectEvents();
$result = authenticate_user_login('username3', 'password3', false, $reason);
$events = $sink->get_events();
$sink->close();
$event = array_pop($events);
$this->assertFalse($result);
$this->assertEquals(AUTH_LOGIN_SUSPENDED, $reason);
// Test Event.
$this->assertInstanceOf('\core\event\user_login_failed', $event);
$expectedlogdata = array(SITEID, 'login', 'error', 'index.php', 'username3');
$this->assertEventLegacyLogData($expectedlogdata, $event);
$eventdata = $event->get_data();
$this->assertSame($eventdata['other']['username'], 'username3');
$this->assertSame($eventdata['other']['reason'], AUTH_LOGIN_SUSPENDED);
$this->assertEventContextNotUsed($event);
$reason = null;
// Capture failed login event.
$sink = $this->redirectEvents();
$result = authenticate_user_login('username4', 'password3', false, $reason);
$events = $sink->get_events();
$sink->close();
$event = array_pop($events);
$this->assertFalse($result);
$this->assertEquals(AUTH_LOGIN_NOUSER, $reason);
// Test Event.
$this->assertInstanceOf('\core\event\user_login_failed', $event);
$expectedlogdata = array(SITEID, 'login', 'error', 'index.php', 'username4');
$this->assertEventLegacyLogData($expectedlogdata, $event);
$eventdata = $event->get_data();
$this->assertSame($eventdata['other']['username'], 'username4');
$this->assertSame($eventdata['other']['reason'], AUTH_LOGIN_NOUSER);
$this->assertEventContextNotUsed($event);
set_config('lockoutthreshold', 3);
$reason = null;
$result = authenticate_user_login('username1', 'nopass', false, $reason);
$this->assertFalse($result);
$this->assertEquals(AUTH_LOGIN_FAILED, $reason);
$result = authenticate_user_login('username1', 'nopass', false, $reason);
$this->assertFalse($result);
$this->assertEquals(AUTH_LOGIN_FAILED, $reason);
$sink = $this->redirectEmails();
$result = authenticate_user_login('username1', 'nopass', false, $reason);
$this->assertCount(1, $sink->get_messages());
$sink->close();
$this->assertFalse($result);
$this->assertEquals(AUTH_LOGIN_FAILED, $reason);
$result = authenticate_user_login('username1', 'password1', false, $reason);
$this->assertFalse($result);
$this->assertEquals(AUTH_LOGIN_LOCKOUT, $reason);
$result = authenticate_user_login('username1', 'password1', true, $reason);
$this->assertInstanceOf('stdClass', $result);
$this->assertEquals(AUTH_LOGIN_OK, $reason);
ini_set('error_log', $oldlog);
}
public function test_user_loggedin_event_exceptions() {
try {
$event = \core\event\user_loggedin::create(array('objectid' => 1));
$this->fail('\core\event\user_loggedin requires other[\'username\']');
} catch(Exception $e) {
$this->assertInstanceOf('coding_exception', $e);
}
}
/**
* Test the {@link signup_validate_data()} duplicate email validation.
*/
public function test_signup_validate_data_same_email() {
global $CFG;
require_once($CFG->libdir . '/authlib.php');
require_once($CFG->libdir . '/phpmailer/moodle_phpmailer.php');
require_once($CFG->dirroot . '/user/profile/lib.php');
$this->resetAfterTest();
$CFG->registerauth = 'email';
$CFG->passwordpolicy = false;
// In this test, we want to check accent-sensitive email search. However, accented email addresses do not pass
// the default `validate_email()` and Moodle does not yet provide a CFG switch to allow such emails. So we
// inject our own validation method here and revert it back once we are done. This custom validator method is
// identical to the default 'php' validator with the only difference: it has the FILTER_FLAG_EMAIL_UNICODE set
// so that it allows to use non-ASCII characters in email addresses.
$defaultvalidator = moodle_phpmailer::$validator;
moodle_phpmailer::$validator = function($address) {
return (bool) filter_var($address, FILTER_VALIDATE_EMAIL, FILTER_FLAG_EMAIL_UNICODE);
};
// Check that two users cannot share the same email address if the site is configured so.
// Emails in Moodle are supposed to be case-insensitive (and accent-sensitive but accents are not yet supported).
$CFG->allowaccountssameemail = false;
$u1 = $this->getDataGenerator()->create_user([
'username' => 'abcdef',
'email' => 'abcdef@example.com',
]);
$formdata = [
'username' => 'newuser',
'firstname' => 'First',
'lastname' => 'Last',
'password' => 'weak',
'email' => 'ABCDEF@example.com',
];
$errors = signup_validate_data($formdata, []);
$this->assertContains('This email address is already registered.', $errors['email']);
// Emails are accent-sensitive though so if we change a -> á in the u1's email, it should pass.
// Please note that Moodle does not normally support such emails yet. We test the DB search sensitivity here.
$formdata['email'] = 'ábcdef@example.com';
$errors = signup_validate_data($formdata, []);
$this->assertArrayNotHasKey('email', $errors);
// Check that users can share the same email if the site is configured so.
$CFG->allowaccountssameemail = true;
$formdata['email'] = 'abcdef@example.com';
$errors = signup_validate_data($formdata, []);
$this->assertArrayNotHasKey('email', $errors);
// Restore the original email address validator.
moodle_phpmailer::$validator = $defaultvalidator;
}
}