初始化代码

app/Common/extend/alibabacloud/client/src/Credentials/Providers/Provider.php

@@ -0,0 +1,88 @@
+<?php
+
+namespace AlibabaCloud\Client\Credentials\Providers;
+
+use AlibabaCloud\Client\Clients\Client;
+
+/**
+ * Class Provider
+ *
+ * @package   AlibabaCloud\Client\Credentials\Providers
+ */
+class Provider
+{
+    /**
+     * For TSC Duration Seconds
+     */
+    const DURATION_SECONDS = 3600;
+
+    /**
+     * @var array
+     */
+    protected static $credentialsCache = [];
+
+    /**
+     * Expiration time slot for temporary security credentials.
+     *
+     * @var int
+     */
+    protected $expirationSlot = 180;
+
+    /**
+     * @var Client
+     */
+    protected $client;
+
+    /**
+     * @var string
+     */
+    protected $error = 'Result contains no credentials';
+
+    /**
+     * CredentialTrait constructor.
+     *
+     * @param Client $client
+     */
+    public function __construct(Client $client)
+    {
+        $this->client = $client;
+    }
+
+    /**
+     * Get the credentials from the cache in the validity period.
+     *
+     * @return array|null
+     */
+    public function getCredentialsInCache()
+    {
+        if (isset(self::$credentialsCache[$this->key()])) {
+            $result = self::$credentialsCache[$this->key()];
+            if (\strtotime($result['Expiration']) - \time() >= $this->expirationSlot) {
+                return $result;
+            }
+            unset(self::$credentialsCache[$this->key()]);
+        }
+
+        return null;
+    }
+
+    /**
+     * Get the toString of the credentials as the key.
+     *
+     * @return string
+     */
+    protected function key()
+    {
+        return (string)$this->client->getCredential();
+    }
+
+    /**
+     * Cache credentials.
+     *
+     * @param array $credential
+     */
+    protected function cache(array $credential)
+    {
+        self::$credentialsCache[$this->key()] = $credential;
+    }
+}