83 lines
1.8 KiB
PHP
83 lines
1.8 KiB
PHP
<?php
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namespace AlibabaCloud\Credentials\Providers;
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use AlibabaCloud\Credentials\CredentialsInterface;
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use AlibabaCloud\Credentials\EcsRamRoleCredential;
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use AlibabaCloud\Credentials\RamRoleArnCredential;
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use AlibabaCloud\Credentials\RsaKeyPairCredential;
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abstract 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 RamRoleArnCredential|RsaKeyPairCredential|EcsRamRoleCredential
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*/
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protected $credential;
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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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* @var array
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*/
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protected $config = [];
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/**
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* CredentialTrait constructor.
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*
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* @param CredentialsInterface $credential
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* @param array $config
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*/
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public function __construct(CredentialsInterface $credential, $config = [])
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{
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$this->credential = $credential;
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$this->config = $config;
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}
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/**
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* Get the credentials from the cache in the validity period.
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*
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* @return array|null
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*/
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public function getCredentialsInCache()
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{
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if (isset(self::$credentialsCache[(string)$this->credential])) {
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$result = self::$credentialsCache[(string)$this->credential];
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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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}
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return null;
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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[(string)$this->credential] = $credential;
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}
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}
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