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<?php
/*
* Copyright (c) 2012 The University of Queensland
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Written by David Gwynne <dlg@uq.edu.au> as part of the IT
* Infrastructure Group in the Faculty of Engineering, Architecture
* and Information Technology.
*
* @package SimpleSAMLphp
* Rewriten by Tim van Dijen for SimpleSAMLphp
*/
namespace SimpleSAML\Module\riak\Store;
use Basho\Riak\Bucket;
use Basho\Riak\Command\Builder\DeleteObject;
use Basho\Riak\Command\Builder\FetchObject;
use Basho\Riak\Command\Builder\StoreObject;
use Basho\Riak\Command\Builder\QueryIndex;
use Basho\Riak\Location;
use Basho\Riak\Node;
use Basho\Riak\DataObject;
use Basho\Riak as RiakClient;
use SimpleSAML\Configuration;
use SimpleSAML\Error\CriticalConfigurationError;
use Webmozart\Assert\Assert;
class Riak extends \SimpleSAML\Store
{
/** @var \Basho\Riak */
protected $client;
/** @var string */
protected $bucket_name;
/** @var \Basho\Riak\Bucket */
protected $bucket;
/** @var \Basho\Riak\Location|null */
protected $location = null;
public function __construct()
{
$config = Configuration::getConfig('module_riak.php');
$host = $config->getString('host', 'localhost');
$port = $config->getInteger('port', 8098);
$node = (new Node\Builder())
->atHost($host)
->onPort($port)
->build();
$this->client = new RiakClient([$node]);
$this->bucket_name = $config->getString('bucket', 'simpleSAMLphp');
$this->bucket = new Bucket($this->bucket_name);
}
/**
* Retrieve a value from the datastore.
*
* @param string $type The datatype.
* @param string $key The key.
* @return mixed|null The value.
*/
public function get($type, $key)
{
assert(is_string($type));
assert(is_string($key));
$key = 'key_' . $key;
$this->location = new Location($key, $this->bucket);
$response = (new FetchObject($this->client))
->atLocation($this->location)
->build()
->execute();
if ($response->getObject() === null) {
return null;
}
$data = $response->getObject()->getData();
$data_decoded = unserialize(json_decode($data, true));
return $data_decoded[$key];
}
/**
* Save a value to the datastore.
*
* @param string $type The datatype.
* @param string $key The key.
* @param mixed $value The value.
* @param int|null $expire The expiration time (unix timestamp), or NULL if it never expires.
* @return void
*/
public function set($type, $key, $value, $expire = null)
{
assert(is_string($type));
assert(is_string($key));
assert(is_null($expire) || is_int($expire));
assert($expire > 2592000);
$key = 'key_' . $key;
$this->location = new Location($key, $this->bucket);
$data = serialize([$key => $value]);
if (is_null($expire)) {
$object = new DataObject(json_encode($data), ['Content-type' => 'application/json']);
} else {
$object = (new DataObject(json_encode($data), ['Content-type' => 'application/json']))
->addValueToIndex('expire_int', time() + $expire);
}
$storecmd = (new StoreObject($this->client))
->withObject($object)
->atLocation($this->location)
->build();
$storecmd->execute();
}
/**
* @return array|null
*/
public function getExpired()
{
$results = (new QueryIndex($this->client))
->inBucket($this->bucket)
->withIndexName('expire_int')
->withRangeValue(0, time())
->build()
->execute()
->getResults();
return $results;
}
/**
* Delete a value from the datastore.
*
* @param string $type The datatype.
* @param string $key The key.
* @return void
*/
public function delete($type, $key)
{
assert(is_string($type));
assert(is_string($key));
$key = 'key_' . $key;
$this->location = new Location($key, $this->bucket);
(new DeleteObject($this->client))->atLocation($this->location)->build()->execute();
}
}
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