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do not flip available state to unavailable, allow empty results 

- the detection relies that the first, requested result is not empty
- it might be empty though – groups without members
- protect switching from available to unavailable
  - switching the other way around was also not envisaged either

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>
This commit is contained in:
Arthur Schiwon 2020-08-11 18:53:50 +02:00
parent 7ea262dba0
commit 7eb6d8df0a
No known key found for this signature in database
GPG Key ID: 7424F1874854DF23
3 changed files with 41 additions and 13 deletions
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1
apps/user_ldap/lib/Connection.php
View File

@ -72,6 +72,7 @@ use OCP\ILogger;
* @property string ldapGidNumber
* @property int hasMemberOfFilterSupport
* @property int useMemberOfToDetectMembership
* @property string ldapMatchingRuleInChainState
*/
class Connection extends LDAPUtility {
private $ldapConnectionRes = null;

31
apps/user_ldap/lib/Group_LDAP.php
View File

@ -254,21 +254,27 @@ class Group_LDAP extends BackendUtility implements GroupInterface, IGroupLDAP, I
) {
$attemptedLdapMatchingRuleInChain = true;
// compatibility hack with servers supporting :1.2.840.113556.1.4.1941:, and others)
$filter = $this->access->combineFilterWithAnd([$this->access->connection->ldapUserFilter, 'memberof:1.2.840.113556.1.4.1941:=' . $dnGroup]);
$filter = $this->access->combineFilterWithAnd([
$this->access->connection->ldapUserFilter,
$this->access->connection->ldapUserDisplayName . '=*',
'memberof:1.2.840.113556.1.4.1941:=' . $dnGroup
]);
$memberRecords = $this->access->fetchListOfUsers(
$filter,
$this->access->userManager->getAttributes(true)
);
if (!empty($memberRecords)) {
if ($this->access->connection->ldapMatchingRuleInChainState === Configuration::LDAP_SERVER_FEATURE_UNKNOWN) {
$this->access->connection->ldapMatchingRuleInChainState = Configuration::LDAP_SERVER_FEATURE_AVAILABLE;
$this->access->connection->saveConfiguration();
}
return array_reduce($memberRecords, function ($carry, $record) {
$carry[] = $record['dn'][0];
return $carry;
}, []);
$result = array_reduce($memberRecords, function ($carry, $record) {
$carry[] = $record['dn'][0];
return $carry;
}, []);
if ($this->access->connection->ldapMatchingRuleInChainState === Configuration::LDAP_SERVER_FEATURE_AVAILABLE) {
return $result;
} elseif (!empty($memberRecords)) {
$this->access->connection->ldapMatchingRuleInChainState = Configuration::LDAP_SERVER_FEATURE_AVAILABLE;
$this->access->connection->saveConfiguration();
return $result;
}
// when feature availability is unknown, and the result is empty, continue and test with original approach
}
$seen[$dnGroup] = 1;
@ -283,7 +289,10 @@ class Group_LDAP extends BackendUtility implements GroupInterface, IGroupLDAP, I
$allMembers += $this->getDynamicGroupMembers($dnGroup);
$this->access->connection->writeToCache($cacheKey, $allMembers);
if (isset($attemptedLdapMatchingRuleInChain) && !empty($allMembers)) {
if (isset($attemptedLdapMatchingRuleInChain)
&& $this->access->connection->ldapMatchingRuleInChainState === Configuration::LDAP_SERVER_FEATURE_UNKNOWN
&& !empty($allMembers)
) {
$this->access->connection->ldapMatchingRuleInChainState = Configuration::LDAP_SERVER_FEATURE_UNAVAILABLE;
$this->access->connection->saveConfiguration();
}

22
apps/user_ldap/tests/Group_LDAPTest.php
View File

@ -129,6 +129,10 @@ class Group_LDAPTest extends TestCase {
->method('countUsers')
->willReturn(2);
$access->userManager->expects($this->any())
->method('getAttributes')
->willReturn(['displayName', 'mail']);
$groupBackend = new GroupLDAP($access, $pluginManager);
$users = $groupBackend->countUsersInGroup('group');
@ -172,6 +176,10 @@ class Group_LDAPTest extends TestCase {
->method('escapeFilterPart')
->willReturnArgument(0);
$access->userManager->expects($this->any())
->method('getAttributes')
->willReturn(['displayName', 'mail']);
$groupBackend = new GroupLDAP($access, $pluginManager);
$users = $groupBackend->countUsersInGroup('group', '3');
@ -546,7 +554,10 @@ class Group_LDAPTest extends TestCase {
$access->expects($this->any())
->method('combineFilterWithAnd')
->willReturn('pseudo=filter');
$access->userManager = $this->createMock(Manager::class);
$access->userManager->expects($this->any())
->method('getAttributes')
->willReturn(['displayName', 'mail']);
$groupBackend = new GroupLDAP($access, $pluginManager);
$users = $groupBackend->usersInGroup('foobar');
@ -587,7 +598,10 @@ class Group_LDAPTest extends TestCase {
$access->expects($this->any())
->method('combineFilterWithAnd')
->willReturn('pseudo=filter');
$access->userManager = $this->createMock(Manager::class);
$access->userManager->expects($this->any())
->method('getAttributes')
->willReturn(['displayName', 'mail']);
$groupBackend = new GroupLDAP($access, $pluginManager);
$users = $groupBackend->usersInGroup('foobar');
@ -627,6 +641,10 @@ class Group_LDAPTest extends TestCase {
->method('isDNPartOfBase')
->willReturn(true);
$access->userManager->expects($this->any())
->method('getAttributes')
->willReturn(['displayName', 'mail']);
$groupBackend = new GroupLDAP($access, $pluginManager);
$users = $groupBackend->countUsersInGroup('foobar');