89 lines
1.7 KiB
PHP
89 lines
1.7 KiB
PHP
<?php
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namespace AlibabaCloud\Client\Credentials\Providers;
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use AlibabaCloud\Client\Clients\Client;
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/**
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* Class Provider
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*
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* @package AlibabaCloud\Client\Credentials\Providers
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*/
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class Provider
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{
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/**
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* For TSC Duration Seconds
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*/
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const DURATION_SECONDS = 3600;
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/**
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* @var array
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*/
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protected static $credentialsCache = [];
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/**
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* Expiration time slot for temporary security credentials.
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*
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* @var int
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*/
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protected $expirationSlot = 180;
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/**
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* @var Client
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*/
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protected $client;
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/**
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* @var string
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*/
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protected $error = 'Result contains no credentials';
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/**
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* CredentialTrait constructor.
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*
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* @param Client $client
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*/
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public function __construct(Client $client)
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{
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$this->client = $client;
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}
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/**
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* Get the credentials from the cache in the validity period.
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*
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* @return array|null
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*/
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public function getCredentialsInCache()
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{
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if (isset(self::$credentialsCache[$this->key()])) {
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$result = self::$credentialsCache[$this->key()];
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if (\strtotime($result['Expiration']) - \time() >= $this->expirationSlot) {
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return $result;
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}
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unset(self::$credentialsCache[$this->key()]);
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}
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return null;
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}
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/**
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* Get the toString of the credentials as the key.
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*
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* @return string
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*/
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protected function key()
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{
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return (string)$this->client->getCredential();
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}
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/**
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* Cache credentials.
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*
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* @param array $credential
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*/
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protected function cache(array $credential)
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{
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self::$credentialsCache[$this->key()] = $credential;
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}
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}
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