allow vendord

vendor/aws/aws-sdk-php/src/Identity/AwsCredentialIdentity.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Aws\Identity;
+
+/**
+ * Denotes the use of standard AWS credentials.
+ *
+ * @internal
+ */
+abstract class AwsCredentialIdentity implements IdentityInterface
+{
+    /**
+     * Returns a UNIX timestamp, if available, representing the expiration
+     * time of the AWS Credential object. Returns null if no expiration is provided.
+     *
+     * @return int|null
+     */
+    abstract public function getExpiration();
+}

vendor/aws/aws-sdk-php/src/Identity/BearerTokenIdentity.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Aws\Identity;
+
+/**
+ * Denotes the use of Bearer Token credentials.
+ *
+ * @internal
+ */
+abstract class BearerTokenIdentity implements IdentityInterface
+{
+    /**
+     * Returns a UNIX timestamp, if available, representing the expiration
+     * time of the Bearer Token object. Returns null if no expiration is provided.
+     *
+     * @return int|null
+     */
+    abstract public function getExpiration();
+}

vendor/aws/aws-sdk-php/src/Identity/IdentityInterface.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Aws\Identity;
+
+/**
+ * An Identity object is used in identifying credential types and determining how
+ * the SDK authenticates with a service API for requests that require a signature.
+ *
+ * @internal
+ */
+interface IdentityInterface
+{
+    /**
+     * Returns a UNIX timestamp, if available, representing
+     * the expiration time of the identity object.  Returns null
+     * if no expiration is provided.
+     *
+     * @return int|null
+     */
+    public function getExpiration();
+}

vendor/aws/aws-sdk-php/src/Identity/S3/S3ExpressIdentity.php

@@ -0,0 +1,6 @@
+<?php
+namespace Aws\Identity\S3;
+
+use Aws\Credentials\Credentials;
+
+class S3ExpressIdentity extends Credentials {}

vendor/aws/aws-sdk-php/src/Identity/S3/S3ExpressIdentityProvider.php

@@ -0,0 +1,53 @@
+<?php
+namespace Aws\Identity\S3;
+
+use Aws;
+use Aws\LruArrayCache;
+use GuzzleHttp\Promise;
+
+class S3ExpressIdentityProvider
+{
+    private $cache;
+    private $region;
+    private $config;
+    private $s3Client;
+
+    public function __construct($clientRegion, array $config = [])
+    {
+        $this->cache = new LruArrayCache(100);
+        $this->region = $clientRegion;
+        $this->config = $config;
+    }
+
+    public function __invoke($command)
+    {
+        $s3Client = $this->getS3Client();
+        $bucket = $command['Bucket'];
+        if ($identity = $this->cache->get($bucket)) {
+            if (!$identity->isExpired()) {
+                return Promise\Create::promiseFor($identity);
+            }
+        }
+        $response = $s3Client->createSession(['Bucket' => $bucket]);
+        $identity = new Aws\Identity\S3\S3ExpressIdentity(
+            $response['Credentials']['AccessKeyId'],
+            $response['Credentials']['SecretAccessKey'],
+            $response['Credentials']['SessionToken'],
+            $response['Credentials']['Expiration']->getTimestamp()
+        );
+        $this->cache->set($bucket, $identity);
+        return Promise\Create::promiseFor($identity);
+    }
+
+    private function getS3Client()
+    {
+        if (is_null($this->s3Client)) {
+            $this->s3Client = $this->config['client']
+                ?? new Aws\S3\S3Client([
+                    'region' => $this->region,
+                    'disable_express_session_auth' => true
+                ]);
+        }
+        return $this->s3Client;
+    }
+}