new files

pro_v3.5.1/vendor/alibabacloud/credentials/src/EcsRamRoleCredential.php

@@ -0,0 +1,151 @@
+<?php
+
+namespace AlibabaCloud\Credentials;
+
+use AlibabaCloud\Credentials\Providers\EcsRamRoleProvider;
+use AlibabaCloud\Credentials\Request\Request;
+use AlibabaCloud\Credentials\Signature\ShaHmac1Signature;
+use Exception;
+use GuzzleHttp\Exception\GuzzleException;
+use InvalidArgumentException;
+use RuntimeException;
+
+/**
+ * Use the RAM role of an ECS instance to complete the authentication.
+ */
+class EcsRamRoleCredential implements CredentialsInterface
+{
+
+    /**
+     * @var string
+     */
+    private $roleName;
+
+    /**
+     * EcsRamRoleCredential constructor.
+     *
+     * @param $role_name
+     */
+    public function __construct($role_name = null)
+    {
+        Filter::roleName($role_name);
+
+        $this->roleName = $role_name;
+    }
+
+    /**
+     * @return string
+     * @throws GuzzleException
+     * @throws Exception
+     */
+    public function getRoleName()
+    {
+        if ($this->roleName !== null) {
+            return $this->roleName;
+        }
+
+        $this->roleName = $this->getRoleNameFromMeta();
+
+        return $this->roleName;
+    }
+
+    /**
+     * @return string
+     * @throws Exception
+     */
+    public function getRoleNameFromMeta()
+    {
+        $options = [
+            'http_errors'     => false,
+            'timeout'         => 1,
+            'connect_timeout' => 1,
+        ];
+
+        $result = Request::createClient()->request(
+            'GET',
+            'http://100.100.100.200/latest/meta-data/ram/security-credentials/',
+            $options
+        );
+
+        if ($result->getStatusCode() === 404) {
+            throw new InvalidArgumentException('The role name was not found in the instance');
+        }
+
+        if ($result->getStatusCode() !== 200) {
+            throw new RuntimeException('Error retrieving credentials from result: ' . $result->getBody());
+        }
+
+        $role_name = (string)$result;
+        if (!$role_name) {
+            throw new RuntimeException('Error retrieving credentials from result is empty');
+        }
+
+        return $role_name;
+    }
+
+    /**
+     * @return string
+     */
+    public function __toString()
+    {
+        return "roleName#$this->roleName";
+    }
+
+    /**
+     * @return ShaHmac1Signature
+     */
+    public function getSignature()
+    {
+        return new ShaHmac1Signature();
+    }
+
+    /**
+     * @return string
+     * @throws Exception
+     * @throws GuzzleException
+     */
+    public function getAccessKeyId()
+    {
+        return $this->getSessionCredential()->getAccessKeyId();
+    }
+
+    /**
+     * @return StsCredential
+     * @throws Exception
+     * @throws GuzzleException
+     */
+    protected function getSessionCredential()
+    {
+        return (new EcsRamRoleProvider($this))->get();
+    }
+
+    /**
+     * @return string
+     * @throws Exception
+     * @throws GuzzleException
+     */
+    public function getAccessKeySecret()
+    {
+        return $this->getSessionCredential()->getAccessKeySecret();
+    }
+
+    /**
+     * @return string
+     * @throws Exception
+     * @throws GuzzleException
+     */
+    public function getSecurityToken()
+    {
+        return $this->getSessionCredential()->getSecurityToken();
+    }
+
+    /**
+     * @return int
+     * @throws Exception
+     * @throws GuzzleException
+     */
+    public function getExpiration()
+    {
+        return $this->getSessionCredential()->getExpiration();
+    }
+}