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improved implementation of GoogleStorageBucket

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This commit is contained in:
Mark van Holsteijn 2021-06-10 21:39:15 +02:00
parent 5af069b4f0
commit 1b88eef356
2 changed files with 71 additions and 27 deletions
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55
lib/Data/GoogleCloudStorage.php
View file

@ -2,7 +2,6 @@
namespace PrivateBin\Data;
use DateTime;
use Exception;
use Google\Cloud\Core\Exception\NotFoundException;
use Google\Cloud\Storage\StorageClient;
@ -225,23 +224,22 @@ class GoogleCloudStorage extends AbstractData
*/
public function purgeValues($namespace, $time)
{
$prefix = 'config/' . $namespace . '/';
$path = 'config/' . $namespace;
try {
foreach ($this->_bucket->objects(array('prefix' => $prefix)) as $object) {
$info = $object->info();
$timeCreated = false;
if (key_exists('timeCreated', $info)) {
$timeCreated = DateTime::createFromFormat(GoogleCloudStorage::DATETIME_FORMAT, $info['timeCreated']);
foreach ($this->_bucket->objects(array('prefix' => $path)) as $object) {
$name = $object->name();
if (strlen($name) > strlen($path) && substr($name, strlen($path), 1) !== '/') {
continue;
}
if ($timeCreated && ($timeCreated->getTimestamp() < $time)) {
try {
$object->delete();
} catch (NotFoundException $e) {
// deleted by another instance.
}
} else {
if (!$timeCreated) {
error_log('failed to parse create timestamp ' . $info['timeCreated'] . ' of object ' . $object->name());
$info = $object->info();
if (key_exists('metadata', $info) && key_exists('value', $info['metadata'])) {
$value = $info['metadata']['value'];
if (is_numeric($value) && intval($value) < $time) {
try {
$object->delete();
} catch (NotFoundException $e) {
// deleted by another instance.
}
}
}
}
@ -251,15 +249,24 @@ class GoogleCloudStorage extends AbstractData
}
/**
* This is the simplest thing that could possibly work.
* will be to tested for runtime performance.
* For GoogleCloudStorage, the value will also be stored in the metadata for the
* namespaces traffic_limiter and purge_limiter.
* @inheritDoc
*/
public function setValue($value, $namespace, $key = '')
{
$key = 'config/' . $namespace . '/' . $key;
if ($key === '') {
$key = 'config/' . $namespace;
} else {
$key = 'config/' . $namespace . '/' . $key;
}
$data = Json::encode($value);
$metadata = array('namespace' => $namespace);
if ($namespace != 'salt') {
$metadata['value'] = strval($value);
}
try {
$this->_bucket->upload($data, array(
'name' => $key,
@ -267,7 +274,7 @@ class GoogleCloudStorage extends AbstractData
'predefinedAcl' => 'private',
'metadata' => array(
'content-type' => 'application/json',
'metadata' => array('namespace' => $namespace),
'metadata' => $metadata,
),
));
} catch (Exception $e) {
@ -279,13 +286,15 @@ class GoogleCloudStorage extends AbstractData
}
/**
* This is the simplest thing that could possibly work.
* will be to tested for runtime performance.
* @inheritDoc
*/
public function getValue($namespace, $key = '')
{
$key = 'config/' . $namespace . '/' . $key;
if ($key === '') {
$key = 'config/' . $namespace;
} else {
$key = 'config/' . $namespace . '/' . $key;
}
try {
$o = $this->_bucket->object($key);
$data = $o->downloadAsString();

43
tst/Data/GoogleCloudStorageTest.php
View file

@ -141,8 +141,8 @@ class GoogleCloudStorageTest extends PHPUnit_Framework_TestCase
public function testKeyValueStore()
{
$salt = bin2hex(random_bytes(256));
$this->_model->setValue($salt, 'salt', 'master');
$storedSalt = $this->_model->getValue('salt', 'master');
$this->_model->setValue($salt, 'salt', '');
$storedSalt = $this->_model->getValue('salt', '');
$this->assertEquals($salt, $storedSalt);
$this->_model->purgeValues('salt', time() + 60);
$this->assertFalse($this->_model->getValue('salt', 'master'));
@ -159,12 +159,47 @@ class GoogleCloudStorageTest extends PHPUnit_Framework_TestCase
$this->assertFalse($this->_model->getValue('traffic_limiter', $client));
$purgeAt = $expire + (15 * 60);
$this->_model->setValue($purgeAt, 'purge_limiter', 'at');
$storedPurgedAt = $this->_model->getValue('purge_limiter', 'at');
$this->_model->setValue($purgeAt, 'purge_limiter', '');
$storedPurgedAt = $this->_model->getValue('purge_limiter', '');
$this->assertEquals($purgeAt, $storedPurgedAt);
$this->_model->purgeValues('purge_limiter', time() + 60);
$this->assertFalse($this->_model->getValue('purge_limiter', 'at'));
}
/**
* @throws Exception
*/
public function testKeyValuePurgeTrafficLimiter()
{
$salt = bin2hex(random_bytes(256));
$client = hash_hmac('sha512', '127.0.0.1', $salt);
$expire = time();
$this->_model->setValue($expire, 'traffic_limiter', $client);
$storedExpired = $this->_model->getValue('traffic_limiter', $client);
$this->assertEquals($expire, $storedExpired);
$this->_model->purgeValues('traffic_limiter', time() - 60);
$this->assertEquals($storedExpired, $this->_model->getValue('traffic_limiter', $client));
$this->_model->purgeValues('traffic_limiter', time() + 60);
$this->assertFalse($this->_model->getValue('traffic_limiter', $client));
}
public function testKeyValuePurgeTrafficLimiterWithKey()
{
$salt = bin2hex(random_bytes(256));
$client = hash_hmac('sha512', '127.0.0.1', $salt);
$expire = time();
$this->_model->setValue($expire, 'traffic_limiter', $client);
$storedExpired = $this->_model->getValue('traffic_limiter', $client);
$this->assertEquals($expire, $storedExpired);
$this->_model->purgeValues('traffic_limiter', time() - 60);
$this->assertEquals($storedExpired, $this->_model->getValue('traffic_limiter', $client));
$this->_model->purgeValues('traffic_limiter', time() + 60);
$this->assertFalse($this->_model->getValue('traffic_limiter', $client));
}
}
/**