public function execute()
{
global $wgUser;
$this->checkPermission($wgUser);
$params = $this->extractRequestParams();
$res = array();
$concurrencyCheck = new ConcurrencyCheck($params['resourcetype'], $wgUser);
switch ($params['ccaction']) {
case 'checkout':
case 'checkin':
if ($concurrencyCheck->{$params}['ccaction']($params['record'])) {
$res['result'] = 'success';
} else {
$res['result'] = 'failure';
}
// data to be utilized by the caller for checkout
if ($params['ccaction'] === 'checkout') {
$lastCheckout = $concurrencyCheck->checkoutResult();
if ($res['result'] === 'success') {
$user = $wgUser;
} else {
$user = User::newFromId(intval($lastCheckout['userId']));
}
if (!$user->isAnon()) {
$res['userid'] = $user->getId();
$res['username'] = $user->getName();
}
$res['expiration'] = $lastCheckout['expiration'];
}
break;
default:
ApiBase::dieDebug(__METHOD__, "Unhandled concurrency action: {$params['ccaction']}");
}
$this->getResult()->addValue(null, $this->getModuleName(), $res);
}
public function testCheckoutCheckin()
{
$first = new ConcurrencyCheck('CCUnitTest', self::$users['user1']->user);
$second = new ConcurrencyCheck('CCUnitTest', self::$users['user2']->user);
$firstId = self::$users['user1']->user->getId();
$secondId = self::$users['user2']->user->getId();
$testKey = 1337;
// clean up after any previously failed tests
$first->checkin($testKey);
$second->checkin($testKey);
// tests
$this->assertTrue($first->checkout($testKey), "Initial checkout");
$res = $first->checkoutResult();
$this->assertEquals($firstId, $res['userId'], "User matches on success");
$this->assertTrue(array_key_exists('expiration', $res), "Expiration is present");
$this->assertTrue($res['expiration'] > 0, "Expiration is a positive integer");
$this->assertTrue($first->checkout($testKey), "Cache hit");
global $wgMemc;
$cacheKey = wfMemcKey('concurrencycheck', 'CCUnitTest', $testKey);
$wgMemc->delete($cacheKey);
$first->lastCheckout = array();
$this->assertTrue($first->checkout($testKey), "Cache miss");
$res = $first->checkoutResult();
$this->assertEquals($firstId, $res['userId'], "User matches on success (nocache)");
$this->assertTrue(array_key_exists('expiration', $res), "Expiration is present (nocache)");
$this->assertTrue($res['expiration'] > 0, "Expiration is a positive integer (nocache)");
$this->assertFalse($second->checkout($testKey), "Checkout of locked resource fails as different user");
$res = $second->checkoutResult();
$this->assertEquals($firstId, $res['userId'], "Actual owner matches on failure");
$this->assertTrue($res['expiration'] > 0, "Expiration is a positive integer");
$this->assertTrue($first->checkout($testKey), "Checkout of locked resource succeeds as original user");
$this->assertFalse($second->checkin($testKey), "Checkin of locked resource fails as different user");
$this->assertTrue($first->checkin($testKey), "Checkin of locked resource succeeds as original user");
$second->setExpirationTime(-5);
$this->assertTrue($second->checkout($testKey), "Checked-in resource is now available to second user");
$second->setExpirationTime();
$this->assertTrue($first->checkout($testKey), "Checkout of expired resource succeeds as first user");
$this->assertTrue($second->checkout($testKey, true), "Checkout override");
$this->assertFalse($first->checkout($testKey), "Checkout of overriden resource fails as different user");
// cleanup
$this->assertTrue($second->checkin($testKey), "Checkin of record with changed ownership");
}
