/**
* Gets the ACLs that belong to the given object identities
*
* We have to implement this method due a bug in AclProvider::findAcls:
* when $oids array length > AclProvider::MAX_BATCH_SIZE and no any ACLs were found for any bath, the findAcls
* method throws AclNotFoundException rather than continue loading ACLs for other batched and throw
* this exception only when no any ACLs found for all batches. But if at least one ACL (but not all) was found
* this method should throw NotAllAclsFoundException.
*
* @param OID[] $oids
* @param SID[] $sids
* @return \SplObjectStorage mapping the passed object identities to ACLs
* @throws AclNotFoundException
* @throws NotAllAclsFoundException
*/
protected function doFindAcls(array $oids, array $sids)
{
// split object identities to batches (batch size must be less than or equal AclProvider::MAX_BATCH_SIZE)
$oidsBatches = array();
$batchIndex = 0;
$oidsBatches[$batchIndex] = array();
$index = 0;
foreach ($oids as $oid) {
/**
* We can not use AclProvider::MAX_BATCH_SIZE of Symfony ACL due to a bug check in the cache
*/
if ($index >= self::MAX_BATCH_SIZE) {
$index = 0;
$batchIndex++;
}
$oidsBatches[$batchIndex][] = $oid;
$index++;
}
$result = null;
foreach ($oidsBatches as $oidsBatch) {
try {
$acls = $this->aclProvider->findAcls($oidsBatch, $sids);
if ($result === null) {
$result = $acls;
} else {
foreach ($acls as $aclOid) {
$result->attach($aclOid, $acls->offsetGet($aclOid));
}
}
} catch (AclNotFoundException $ex) {
if ($ex instanceof NotAllAclsFoundException) {
if ($result === null) {
$result = $ex->getPartialResult();
} else {
$partialResult = $ex->getPartialResult();
foreach ($partialResult as $aclOid) {
$result->attach($aclOid, $partialResult->offsetGet($aclOid));
}
}
} else {
if ($result === null) {
$result = new \SplObjectStorage();
}
}
}
}
// check that we got ACLs for all the identities
foreach ($oids as $oid) {
if (!$result->contains($oid)) {
if (1 === count($oids)) {
throw new AclNotFoundException(sprintf('No ACL found for %s.', $oid));
}
$partialResultEx = new NotAllAclsFoundException('The provider could not find ACLs for all object identities.');
$partialResultEx->setPartialResult($result);
throw $partialResultEx;
}
}
return $result;
}
