UserTest.php

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<?php

define( 'NS_UNITTEST', 5600 );
define( 'NS_UNITTEST_TALK', 5601 );

class UserTest extends MediaWikiTestCase {
    protected $user;

    protected function setUp() {
        parent::setUp();

        $this->setMwGlobals( [
            'wgGroupPermissions' => [],
            'wgRevokePermissions' => [],
        ] );

        $this->setUpPermissionGlobals();

        $this->user = new User;
        $this->user->addGroup( 'unittesters' );
    }

    private function setUpPermissionGlobals() {
        global $wgGroupPermissions, $wgRevokePermissions;

        # Data for regular $wgGroupPermissions test
        $wgGroupPermissions['unittesters'] = [
            'test' => true,
            'runtest' => true,
            'writetest' => false,
            'nukeworld' => false,
        ];
        $wgGroupPermissions['testwriters'] = [
            'test' => true,
            'writetest' => true,
            'modifytest' => true,
        ];

        # Data for regular $wgRevokePermissions test
        $wgRevokePermissions['formertesters'] = [
            'runtest' => true,
        ];

        # For the options test
        $wgGroupPermissions['*'] = [
            'editmyoptions' => true,
        ];
    }

    public function testGroupPermissions() {
        $rights = User::getGroupPermissions( [ 'unittesters' ] );
        $this->assertContains( 'runtest', $rights );
        $this->assertNotContains( 'writetest', $rights );
        $this->assertNotContains( 'modifytest', $rights );
        $this->assertNotContains( 'nukeworld', $rights );

        $rights = User::getGroupPermissions( [ 'unittesters', 'testwriters' ] );
        $this->assertContains( 'runtest', $rights );
        $this->assertContains( 'writetest', $rights );
        $this->assertContains( 'modifytest', $rights );
        $this->assertNotContains( 'nukeworld', $rights );
    }

    public function testRevokePermissions() {
        $rights = User::getGroupPermissions( [ 'unittesters', 'formertesters' ] );
        $this->assertNotContains( 'runtest', $rights );
        $this->assertNotContains( 'writetest', $rights );
        $this->assertNotContains( 'modifytest', $rights );
        $this->assertNotContains( 'nukeworld', $rights );
    }

    public function testUserPermissions() {
        $rights = $this->user->getRights();
        $this->assertContains( 'runtest', $rights );
        $this->assertNotContains( 'writetest', $rights );
        $this->assertNotContains( 'modifytest', $rights );
        $this->assertNotContains( 'nukeworld', $rights );
    }

    public function testUserGetRightsHooks() {
        $user = new User;
        $user->addGroup( 'unittesters' );
        $user->addGroup( 'testwriters' );
        $userWrapper = TestingAccessWrapper::newFromObject( $user );

        $rights = $user->getRights();
        $this->assertContains( 'test', $rights, 'sanity check' );
        $this->assertContains( 'runtest', $rights, 'sanity check' );
        $this->assertContains( 'writetest', $rights, 'sanity check' );
        $this->assertNotContains( 'nukeworld', $rights, 'sanity check' );

        // Add a hook manipluating the rights
        $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'UserGetRights' => [ function ( $user, &$rights ) {
            $rights[] = 'nukeworld';
            $rights = array_diff( $rights, [ 'writetest' ] );
        } ] ] );

        $userWrapper->mRights = null;
        $rights = $user->getRights();
        $this->assertContains( 'test', $rights );
        $this->assertContains( 'runtest', $rights );
        $this->assertNotContains( 'writetest', $rights );
        $this->assertContains( 'nukeworld', $rights );

        // Add a Session that limits rights
        $mock = $this->getMockBuilder( stdclass::class )
            ->setMethods( [ 'getAllowedUserRights', 'deregisterSession', 'getSessionId' ] )
            ->getMock();
        $mock->method( 'getAllowedUserRights' )->willReturn( [ 'test', 'writetest' ] );
        $mock->method( 'getSessionId' )->willReturn(
            new MediaWiki\Session\SessionId( str_repeat( 'X', 32 ) )
        );
        $session = MediaWiki\Session\TestUtils::getDummySession( $mock );
        $mockRequest = $this->getMockBuilder( FauxRequest::class )
            ->setMethods( [ 'getSession' ] )
            ->getMock();
        $mockRequest->method( 'getSession' )->willReturn( $session );
        $userWrapper->mRequest = $mockRequest;

        $userWrapper->mRights = null;
        $rights = $user->getRights();
        $this->assertContains( 'test', $rights );
        $this->assertNotContains( 'runtest', $rights );
        $this->assertNotContains( 'writetest', $rights );
        $this->assertNotContains( 'nukeworld', $rights );
    }

    public function testGetGroupsWithPermission( $expected, $right ) {
        $result = User::getGroupsWithPermission( $right );
        sort( $result );
        sort( $expected );

        $this->assertEquals( $expected, $result, "Groups with permission $right" );
    }

    public static function provideGetGroupsWithPermission() {
        return [
            [
                [ 'unittesters', 'testwriters' ],
                'test'
            ],
            [
                [ 'unittesters' ],
                'runtest'
            ],
            [
                [ 'testwriters' ],
                'writetest'
            ],
            [
                [ 'testwriters' ],
                'modifytest'
            ],
        ];
    }

    public function testIsIP( $value, $result, $message ) {
        $this->assertEquals( $this->user->isIP( $value ), $result, $message );
    }

    public static function provideIPs() {
        return [
            [ '', false, 'Empty string' ],
            [ ' ', false, 'Blank space' ],
            [ '10.0.0.0', true, 'IPv4 private 10/8' ],
            [ '10.255.255.255', true, 'IPv4 private 10/8' ],
            [ '192.168.1.1', true, 'IPv4 private 192.168/16' ],
            [ '203.0.113.0', true, 'IPv4 example' ],
            [ '2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff', true, 'IPv6 example' ],
            // Not valid IPs but classified as such by MediaWiki for negated asserting
            // of whether this might be the identifier of a logged-out user or whether
            // to allow usernames like it.
            [ '300.300.300.300', true, 'Looks too much like an IPv4 address' ],
            [ '203.0.113.xxx', true, 'Assigned by UseMod to cloaked logged-out users' ],
        ];
    }

    public function testIsValidUserName( $username, $result, $message ) {
        $this->assertEquals( $this->user->isValidUserName( $username ), $result, $message );
    }

    public static function provideUserNames() {
        return [
            [ '', false, 'Empty string' ],
            [ ' ', false, 'Blank space' ],
            [ 'abcd', false, 'Starts with small letter' ],
            [ 'Ab/cd', false, 'Contains slash' ],
            [ 'Ab cd', true, 'Whitespace' ],
            [ '192.168.1.1', false, 'IP' ],
            [ 'User:Abcd', false, 'Reserved Namespace' ],
            [ '12abcd232', true, 'Starts with Numbers' ],
            [ '?abcd', true, 'Start with ? mark' ],
            [ '#abcd', false, 'Start with #' ],
            [ 'Abcdകഖഗഘ', true, ' Mixed scripts' ],
            [ 'ജോസ്‌തോമസ്', false, 'ZWNJ- Format control character' ],
            [ 'Ab　cd', false, ' Ideographic space' ],
            [ '300.300.300.300', false, 'Looks too much like an IPv4 address' ],
            [ '302.113.311.900', false, 'Looks too much like an IPv4 address' ],
            [ '203.0.113.xxx', false, 'Reserved for usage by UseMod for cloaked logged-out users' ],
        ];
    }

    public function testAllRightsWithMessage() {
        // Getting all user rights, for core: User::$mCoreRights, for extensions: $wgAvailableRights
        $allRights = User::getAllRights();
        $allMessageKeys = Language::getMessageKeysFor( 'en' );

        $rightsWithMessage = [];
        foreach ( $allMessageKeys as $message ) {
            // === 0: must be at beginning of string (position 0)
            if ( strpos( $message, 'right-' ) === 0 ) {
                $rightsWithMessage[] = substr( $message, strlen( 'right-' ) );
            }
        }

        sort( $allRights );
        sort( $rightsWithMessage );

        $this->assertEquals(
            $allRights,
            $rightsWithMessage,
            'Each user rights (core/extensions) has a corresponding right- message.'
        );
    }

    public function testEditCount() {
        $user = User::newFromName( 'UnitTestUser' );

        if ( !$user->getId() ) {
            $user->addToDatabase();
        }

        // let the user have a few (3) edits
        $page = WikiPage::factory( Title::newFromText( 'Help:UserTest_EditCount' ) );
        for ( $i = 0; $i < 3; $i++ ) {
            $page->doEdit( (string)$i, 'test', 0, false, $user );
        }

        $user->clearInstanceCache();
        $this->assertEquals(
            3,
            $user->getEditCount(),
            'After three edits, the user edit count should be 3'
        );

        // increase the edit count and clear the cache
        $user->incEditCount();

        $user->clearInstanceCache();
        $this->assertEquals(
            4,
            $user->getEditCount(),
            'After increasing the edit count manually, the user edit count should be 4'
        );
    }

    public function testOptions() {
        $user = User::newFromName( 'UnitTestUser' );

        if ( !$user->getId() ) {
            $user->addToDatabase();
        }

        $user->setOption( 'userjs-someoption', 'test' );
        $user->setOption( 'cols', 200 );
        $user->saveSettings();

        $user = User::newFromName( 'UnitTestUser' );
        $this->assertEquals( 'test', $user->getOption( 'userjs-someoption' ) );
        $this->assertEquals( 200, $user->getOption( 'cols' ) );
    }

    public function testAnonOptions() {
        global $wgDefaultUserOptions;
        $this->user->setOption( 'userjs-someoption', 'test' );
        $this->assertEquals( $wgDefaultUserOptions['cols'], $this->user->getOption( 'cols' ) );
        $this->assertEquals( 'test', $this->user->getOption( 'userjs-someoption' ) );
    }

    public function testCheckPasswordValidity() {
        $this->setMwGlobals( [
            'wgPasswordPolicy' => [
                'policies' => [
                    'sysop' => [
                        'MinimalPasswordLength' => 8,
                        'MinimumPasswordLengthToLogin' => 1,
                        'PasswordCannotMatchUsername' => 1,
                    ],
                    'default' => [
                        'MinimalPasswordLength' => 6,
                        'PasswordCannotMatchUsername' => true,
                        'PasswordCannotMatchBlacklist' => true,
                        'MaximalPasswordLength' => 30,
                    ],
                ],
                'checks' => [
                    'MinimalPasswordLength' => 'PasswordPolicyChecks::checkMinimalPasswordLength',
                    'MinimumPasswordLengthToLogin' => 'PasswordPolicyChecks::checkMinimumPasswordLengthToLogin',
                    'PasswordCannotMatchUsername' => 'PasswordPolicyChecks::checkPasswordCannotMatchUsername',
                    'PasswordCannotMatchBlacklist' => 'PasswordPolicyChecks::checkPasswordCannotMatchBlacklist',
                    'MaximalPasswordLength' => 'PasswordPolicyChecks::checkMaximalPasswordLength',
                ],
            ],
        ] );

        $user = User::newFromName( 'Useruser' );
        // Sanity
        $this->assertTrue( $user->isValidPassword( 'Password1234' ) );

        // Minimum length
        $this->assertFalse( $user->isValidPassword( 'a' ) );
        $this->assertFalse( $user->checkPasswordValidity( 'a' )->isGood() );
        $this->assertTrue( $user->checkPasswordValidity( 'a' )->isOK() );
        $this->assertEquals( 'passwordtooshort', $user->getPasswordValidity( 'a' ) );

        // Maximum length
        $longPass = str_repeat( 'a', 31 );
        $this->assertFalse( $user->isValidPassword( $longPass ) );
        $this->assertFalse( $user->checkPasswordValidity( $longPass )->isGood() );
        $this->assertFalse( $user->checkPasswordValidity( $longPass )->isOK() );
        $this->assertEquals( 'passwordtoolong', $user->getPasswordValidity( $longPass ) );

        // Matches username
        $this->assertFalse( $user->checkPasswordValidity( 'Useruser' )->isGood() );
        $this->assertTrue( $user->checkPasswordValidity( 'Useruser' )->isOK() );
        $this->assertEquals( 'password-name-match', $user->getPasswordValidity( 'Useruser' ) );

        // On the forbidden list
        $this->assertFalse( $user->checkPasswordValidity( 'Passpass' )->isGood() );
        $this->assertEquals( 'password-login-forbidden', $user->getPasswordValidity( 'Passpass' ) );
    }

    public function testGetCanonicalName( $name, $expectedArray ) {
        // fake interwiki map for the 'Interwiki prefix' testcase
        $this->mergeMwGlobalArrayValue( 'wgHooks', [
            'InterwikiLoadPrefix' => [
                function ( $prefix, &$iwdata ) {
                    if ( $prefix === 'interwiki' ) {
                        $iwdata = [
                            'iw_url' => 'http://example.com/',
                            'iw_local' => 0,
                            'iw_trans' => 0,
                        ];
                        return false;
                    }
                },
            ],
        ] );

        foreach ( $expectedArray as $validate => $expected ) {
            $this->assertEquals(
                $expected,
                User::getCanonicalName( $name, $validate === 'false' ? false : $validate ), $validate );
        }
    }

    public static function provideGetCanonicalName() {
        return [
            'Leading space' => [ ' Leading space', [ 'creatable' => 'Leading space' ] ],
            'Trailing space ' => [ 'Trailing space ', [ 'creatable' => 'Trailing space' ] ],
            'Namespace prefix' => [ 'Talk:Username', [ 'creatable' => false, 'usable' => false,
                'valid' => false, 'false' => 'Talk:Username' ] ],
            'Interwiki prefix' => [ 'interwiki:Username', [ 'creatable' => false, 'usable' => false,
                'valid' => false, 'false' => 'Interwiki:Username' ] ],
            'With hash' => [ 'name with # hash', [ 'creatable' => false, 'usable' => false ] ],
            'Multi spaces' => [ 'Multi  spaces', [ 'creatable' => 'Multi spaces',
                'usable' => 'Multi spaces' ] ],
            'Lowercase' => [ 'lowercase', [ 'creatable' => 'Lowercase' ] ],
            'Invalid character' => [ 'in[]valid', [ 'creatable' => false, 'usable' => false,
                'valid' => false, 'false' => 'In[]valid' ] ],
            'With slash' => [ 'with / slash', [ 'creatable' => false, 'usable' => false, 'valid' => false,
                'false' => 'With / slash' ] ],
        ];
    }

    public function testEquals() {
        $first = User::newFromName( 'EqualUser' );
        $second = User::newFromName( 'EqualUser' );

        $this->assertTrue( $first->equals( $first ) );
        $this->assertTrue( $first->equals( $second ) );
        $this->assertTrue( $second->equals( $first ) );

        $third = User::newFromName( '0' );
        $fourth = User::newFromName( '000' );

        $this->assertFalse( $third->equals( $fourth ) );
        $this->assertFalse( $fourth->equals( $third ) );

        // Test users loaded from db with id
        $user = User::newFromName( 'EqualUnitTestUser' );
        if ( !$user->getId() ) {
            $user->addToDatabase();
        }

        $id = $user->getId();

        $fifth = User::newFromId( $id );
        $sixth = User::newFromName( 'EqualUnitTestUser' );
        $this->assertTrue( $fifth->equals( $sixth ) );
    }

    public function testGetId() {
        $user = User::newFromName( 'UTSysop' );
        $this->assertTrue( $user->getId() > 0 );

    }

    public function testLoggedIn() {
        $user = User::newFromName( 'UTSysop' );
        $this->assertTrue( $user->isLoggedIn() );
        $this->assertFalse( $user->isAnon() );

        // Non-existent users are perceived as anonymous
        $user = User::newFromName( 'UTNonexistent' );
        $this->assertFalse( $user->isLoggedIn() );
        $this->assertTrue( $user->isAnon() );

        $user = new User;
        $this->assertFalse( $user->isLoggedIn() );
        $this->assertTrue( $user->isAnon() );
    }

    public function testCheckAndSetTouched() {
        $user = TestingAccessWrapper::newFromObject( User::newFromName( 'UTSysop' ) );
        $this->assertTrue( $user->isLoggedIn() );

        $touched = $user->getDBTouched();
        $this->assertTrue(
            $user->checkAndSetTouched(), "checkAndSetTouched() succeded" );
        $this->assertGreaterThan(
            $touched, $user->getDBTouched(), "user_touched increased with casOnTouched()" );

        $touched = $user->getDBTouched();
        $this->assertTrue(
            $user->checkAndSetTouched(), "checkAndSetTouched() succeded #2" );
        $this->assertGreaterThan(
            $touched, $user->getDBTouched(), "user_touched increased with casOnTouched() #2" );
    }
}