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Merge pull request #1672 from nextcloud/cache_non_exisiting_db_user 

Cache non existing DB user
This commit is contained in:
Roeland Jago Douma 2016-10-10 10:52:07 +02:00 committed by GitHub
parent a0cb809342 1273d82e8b
commit 2dcd97bf14
1 changed files with 7 additions and 2 deletions
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9
lib/private/User/Database.php
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@ -94,6 +94,9 @@ class Database extends Backend implements IUserBackend {
$query = \OC_DB::prepare('INSERT INTO `*PREFIX*users` ( `uid`, `password` ) VALUES( ?, ? )'); $query = \OC_DB::prepare('INSERT INTO `*PREFIX*users` ( `uid`, `password` ) VALUES( ?, ? )');
$result = $query->execute(array($uid, \OC::$server->getHasher()->hash($password))); $result = $query->execute(array($uid, \OC::$server->getHasher()->hash($password)));
// Clear cache
unset($this->cache[$uid]);
return $result ? true : false; return $result ? true : false;
} }
@ -234,7 +237,7 @@ class Database extends Backend implements IUserBackend {
* @return boolean * @return boolean
*/ */
private function loadUser($uid) { private function loadUser($uid) {
if (empty($this->cache[$uid])) { if (!isset($this->cache[$uid])) {
$query = \OC_DB::prepare('SELECT `uid`, `displayname` FROM `*PREFIX*users` WHERE LOWER(`uid`) = LOWER(?)'); $query = \OC_DB::prepare('SELECT `uid`, `displayname` FROM `*PREFIX*users` WHERE LOWER(`uid`) = LOWER(?)');
$result = $query->execute(array($uid)); $result = $query->execute(array($uid));
@ -243,6 +246,8 @@ class Database extends Backend implements IUserBackend {
return false; return false;
} }
$this->cache[$uid] = false;
while ($row = $result->fetchRow()) { while ($row = $result->fetchRow()) {
$this->cache[$uid]['uid'] = $row['uid']; $this->cache[$uid]['uid'] = $row['uid'];
$this->cache[$uid]['displayname'] = $row['displayname']; $this->cache[$uid]['displayname'] = $row['displayname'];
@ -284,7 +289,7 @@ class Database extends Backend implements IUserBackend {
*/ */
public function userExists($uid) { public function userExists($uid) {
$this->loadUser($uid); $this->loadUser($uid);
return !empty($this->cache[$uid]); return $this->cache[$uid] !== false;
} }
/** /**