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Merge pull request #18230 from nextcloud/stable16-backport/18120

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[stable16] respect shareapi_allow_share_dialog_user_enumeration in Principal bac…
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Roeland Jago Douma 2020-03-05 15:33:29 +01:00 committed by GitHub
commit e76116b03b
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 101 additions and 2 deletions
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15
apps/dav/lib/Connector/Sabre/Principal.php
View file

@ -82,6 +82,7 @@ class Principal implements BackendInterface {
* @param IGroupManager $groupManager
* @param IShareManager $shareManager
* @param IUserSession $userSession
* @param IAppManager $appManager
* @param IConfig $config
* @param string $principalPrefix
*/
@ -239,6 +240,8 @@ class Principal implements BackendInterface {
return [];
}
$allowEnumeration = $this->config->getAppValue('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes') === 'yes';
// If sharing is restricted to group members only,
// return only members that have groups in common
$restrictGroups = false;
@ -256,6 +259,12 @@ class Principal implements BackendInterface {
case '{http://sabredav.org/ns}email-address':
$users = $this->userManager->getByEmail($value);
if (!$allowEnumeration) {
$users = \array_filter($users, static function(IUser $user) use ($value) {
return $user->getEMailAddress() === $value;
});
}
$results[] = array_reduce($users, function(array $carry, IUser $user) use ($restrictGroups) {
// is sharing restricted to groups only?
if ($restrictGroups !== false) {
@ -273,6 +282,12 @@ class Principal implements BackendInterface {
case '{DAV:}displayname':
$users = $this->userManager->searchDisplayName($value);
if (!$allowEnumeration) {
$users = \array_filter($users, static function(IUser $user) use ($value) {
return $user->getDisplayName() === $value;
});
}
$results[] = array_reduce($users, function(array $carry, IUser $user) use ($restrictGroups) {
// is sharing restricted to groups only?
if ($restrictGroups !== false) {

2
apps/dav/lib/RootCollection.php
View file

@ -61,7 +61,7 @@ class RootCollection extends SimpleCollection {
$config,
\OC::$server->getAppManager()
);
$groupPrincipalBackend = new GroupPrincipalBackend($groupManager, $userSession, $shareManager, $l10n);
$groupPrincipalBackend = new GroupPrincipalBackend($groupManager, $userSession, $shareManager);
$calendarResourcePrincipalBackend = new ResourcePrincipalBackend($db, $userSession, $groupManager, $logger);
$calendarRoomPrincipalBackend = new RoomPrincipalBackend($db, $userSession, $groupManager, $logger);
// as soon as debug mode is enabled we allow listing of principals

2
apps/dav/tests/unit/CardDAV/CardDavBackendTest.php
View file

@ -395,7 +395,7 @@ class CardDavBackendTest extends TestCase {
// create a card
$uri0 = $this->getUniqueID('card');
$this->backend->createCard($bookId, $uri0, $this->vcardTest0);
// create another card with same uid
$uri1 = $this->getUniqueID('card');
$this->expectException(BadRequest::class);

84
apps/dav/tests/unit/Connector/Sabre/PrincipalTest.php
View file

@ -308,6 +308,11 @@ class PrincipalTest extends TestCase {
->will($this->returnValue($sharingEnabled));
if ($sharingEnabled) {
$this->config->expects($this->once())
->method('getAppValue')
->with('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes')
->willReturn('yes');
$this->shareManager->expects($this->once())
->method('shareWithGroupMembersOnly')
->will($this->returnValue($groupsOnly));
@ -324,6 +329,8 @@ class PrincipalTest extends TestCase {
->will($this->returnValue(['group1', 'group2', 'group5']));
}
} else {
$this->config->expects($this->never())
->method('getAppValue');
$this->shareManager->expects($this->never())
->method('shareWithGroupMembersOnly');
$this->groupManager->expects($this->never())
@ -396,6 +403,11 @@ class PrincipalTest extends TestCase {
->method('shareAPIEnabled')
->will($this->returnValue(true));
$this->config->expects($this->exactly(2))
->method('getAppValue')
->with('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes')
->willReturn('yes');
$this->shareManager->expects($this->exactly(2))
->method('shareWithGroupMembersOnly')
->will($this->returnValue(false));
@ -417,6 +429,78 @@ class PrincipalTest extends TestCase {
['{urn:ietf:params:xml:ns:caldav}calendar-user-address-set' => 'user@example.com']));
}
public function testSearchPrincipalWithEnumerationDisabledDisplayname() {
$this->shareManager->expects($this->once())
->method('shareAPIEnabled')
->will($this->returnValue(true));
$this->config->expects($this->once())
->method('getAppValue')
->with('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes')
->willReturn('no');
$this->shareManager->expects($this->once())
->method('shareWithGroupMembersOnly')
->will($this->returnValue(false));
$user2 = $this->createMock(IUser::class);
$user2->method('getUID')->will($this->returnValue('user2'));
$user2->method('getDisplayName')->will($this->returnValue('User 2'));
$user2->method('getEMailAddress')->will($this->returnValue('user2@foo.bar'));
$user3 = $this->createMock(IUser::class);
$user3->method('getUID')->will($this->returnValue('user3'));
$user2->method('getDisplayName')->will($this->returnValue('User 22'));
$user2->method('getEMailAddress')->will($this->returnValue('user2@foo.bar123'));
$user4 = $this->createMock(IUser::class);
$user4->method('getUID')->will($this->returnValue('user4'));
$user2->method('getDisplayName')->will($this->returnValue('User 222'));
$user2->method('getEMailAddress')->will($this->returnValue('user2@foo.bar456'));
$this->userManager->expects($this->at(0))
->method('searchDisplayName')
->with('User 2')
->will($this->returnValue([$user2, $user3, $user4]));
$this->assertEquals(['principals/users/user2'], $this->connector->searchPrincipals('principals/users',
['{DAV:}displayname' => 'User 2']));
}
public function testSearchPrincipalWithEnumerationDisabledEmail() {
$this->shareManager->expects($this->once())
->method('shareAPIEnabled')
->will($this->returnValue(true));
$this->config->expects($this->once())
->method('getAppValue')
->with('core', 'shareapi_allow_share_dialog_user_enumeration', 'yes')
->willReturn('no');
$this->shareManager->expects($this->once())
->method('shareWithGroupMembersOnly')
->will($this->returnValue(false));
$user2 = $this->createMock(IUser::class);
$user2->method('getUID')->will($this->returnValue('user2'));
$user2->method('getDisplayName')->will($this->returnValue('User 2'));
$user2->method('getEMailAddress')->will($this->returnValue('user2@foo.bar'));
$user3 = $this->createMock(IUser::class);
$user3->method('getUID')->will($this->returnValue('user3'));
$user2->method('getDisplayName')->will($this->returnValue('User 22'));
$user2->method('getEMailAddress')->will($this->returnValue('user2@foo.bar123'));
$user4 = $this->createMock(IUser::class);
$user4->method('getUID')->will($this->returnValue('user4'));
$user2->method('getDisplayName')->will($this->returnValue('User 222'));
$user2->method('getEMailAddress')->will($this->returnValue('user2@foo.bar456'));
$this->userManager->expects($this->at(0))
->method('getByEmail')
->with('user2@foo.bar')
->will($this->returnValue([$user2, $user3, $user4]));
$this->assertEquals(['principals/users/user2'], $this->connector->searchPrincipals('principals/users',
['{http://sabredav.org/ns}email-address' => 'user2@foo.bar']));
}
public function testFindByUriSharingApiDisabled() {
$this->shareManager->expects($this->once())
->method('shareApiEnabled')