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|
<?php
namespace Aws\Credentials;
/**
* Basic implementation of the AWS Credentials interface that allows callers to
* pass in the AWS Access Key and AWS Secret Access Key in the constructor.
*/
class Credentials implements CredentialsInterface, \Serializable
{
private $key;
private $secret;
private $token;
private $expires;
/**
* Constructs a new BasicAWSCredentials object, with the specified AWS
* access key and AWS secret key
*
* @param string $key AWS access key ID
* @param string $secret AWS secret access key
* @param string $token Security token to use
* @param int $expires UNIX timestamp for when credentials expire
*/
public function __construct($key, $secret, $token = null, $expires = null)
{
$this->key = trim($key);
$this->secret = trim($secret);
$this->token = $token;
$this->expires = $expires;
}
public static function __set_state(array $state)
{
return new self(
$state['key'],
$state['secret'],
$state['token'],
$state['expires']
);
}
public function getAccessKeyId()
{
return $this->key;
}
public function getSecretKey()
{
return $this->secret;
}
public function getSecurityToken()
{
return $this->token;
}
public function getExpiration()
{
return $this->expires;
}
public function isExpired()
{
return $this->expires !== null && time() >= $this->expires;
}
public function toArray()
{
return [
'key' => $this->key,
'secret' => $this->secret,
'token' => $this->token,
'expires' => $this->expires
];
}
public function serialize()
{
return json_encode($this->__serialize());
}
public function unserialize($serialized)
{
$data = json_decode($serialized, true);
$this->__unserialize($data);
}
public function __serialize()
{
return $this->toArray();
}
public function __unserialize($data)
{
$this->key = $data['key'];
$this->secret = $data['secret'];
$this->token = $data['token'];
$this->expires = $data['expires'];
}
/**
* Internal-only. Used when IMDS is unreachable
* or returns expires credentials.
*
* @internal
*/
public function extendExpiration() {
$extension = mt_rand(5, 10);
$this->expires = time() + $extension * 60;
$message = <<<EOT
Attempting credential expiration extension due to a credential service
availability issue. A refresh of these credentials will be attempted again
after {$extension} minutes.\n
EOT;
trigger_error($message, E_USER_WARNING);
}
}
|
