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fix limit-flaw in search on paged results 

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>
This commit is contained in:
Arthur Schiwon 2017-09-11 12:10:32 +02:00
parent a7f3fadd37
commit de8626694f
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GPG Key ID: 7424F1874854DF23
2 changed files with 17 additions and 12 deletions
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16
apps/user_ldap/lib/Access.php
View File

@ -1149,9 +1149,9 @@ class Access extends LDAPUtility implements IUserTools {
* @return array with the search result
*/
public function search($filter, $base, $attr = null, $limit = null, $offset = null, $skipHandling = false) {
if($limit <= 0) {
//otherwise search will fail
$limit = null;
$limitPerPage = intval($this->connection->ldapPagingSize);
if(!is_null($limit) && $limit < $limitPerPage && $limit > 0) {
$limitPerPage = $limit;
}
/* ++ Fixing RHDS searches with pages with zero results ++
@ -1163,7 +1163,7 @@ class Access extends LDAPUtility implements IUserTools {
$findings = array();
$savedoffset = $offset;
do {
$search = $this->executeSearch($filter, $base, $attr, $limit, $offset);
$search = $this->executeSearch($filter, $base, $attr, $limitPerPage, $offset);
if($search === false) {
return array();
}
@ -1174,7 +1174,7 @@ class Access extends LDAPUtility implements IUserTools {
//i.e. result do not need to be fetched, we just need the cookie
//thus pass 1 or any other value as $iFoundItems because it is not
//used
$this->processPagedSearchStatus($sr, $filter, $base, 1, $limit,
$this->processPagedSearchStatus($sr, $filter, $base, 1, $limitPerPage,
$offset, $pagedSearchOK,
$skipHandling);
return array();
@ -1185,10 +1185,10 @@ class Access extends LDAPUtility implements IUserTools {
}
$continue = $this->processPagedSearchStatus($sr, $filter, $base, $findings['count'],
$limit, $offset, $pagedSearchOK,
$limitPerPage, $offset, $pagedSearchOK,
$skipHandling);
$offset += $limit;
} while ($continue && $pagedSearchOK && $findings['count'] < $limit);
$offset += $limitPerPage;
} while ($continue && $pagedSearchOK && ($limit === null || $findings['count'] < $limit));
// reseting offset
$offset = $savedoffset;

13
apps/user_ldap/tests/Integration/Lib/IntegrationTestPaging.php
View File

@ -47,6 +47,13 @@ class IntegrationTestPaging extends AbstractIntegrationTest {
$this->backend = new User_LDAP($this->access, \OC::$server->getConfig(), \OC::$server->getNotificationManager());
}
public function initConnection() {
parent::initConnection();
$this->connection->setConfiguration([
'ldapPagingSize' => 1
]);
}
/**
* tests that paging works properly against a simple example (reading all
* of few users in smallest steps)
@ -54,20 +61,18 @@ class IntegrationTestPaging extends AbstractIntegrationTest {
* @return bool
*/
protected function case1() {
$limit = 1;
$offset = 0;
$filter = 'objectclass=inetorgperson';
$attributes = ['cn', 'dn'];
$users = [];
do {
$result = $this->access->searchUsers($filter, $attributes, $limit, $offset);
$result = $this->access->searchUsers($filter, $attributes, null, $offset);
foreach($result as $user) {
$users[] = $user['cn'];
}
$offset += $limit;
$offset += count($users);
} while ($this->access->hasMoreResults());
if(count($users) === 2) {
return true;
}