S3/Minio storage controller Support

storage-controllers/s3/Aws/Credentials/Credentials.php

@@ -0,0 +1,91 @@
+<?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->toArray());
+    }
+
+    public function unserialize($serialized)
+    {
+        $data = json_decode($serialized, true);
+
+        $this->key = $data['key'];
+        $this->secret = $data['secret'];
+        $this->token = $data['token'];
+        $this->expires = $data['expires'];
+    }
+}