first commit -> move some files from one-api

vendor/aws_v3/Aws/Signature/S3ExpressSignature.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Aws\Signature;
+
+use Aws\Credentials\Credentials;
+use Aws\Credentials\CredentialsInterface;
+use Psr\Http\Message\RequestInterface;
+
+class S3ExpressSignature extends S3SignatureV4
+{
+    public function signRequest(
+        RequestInterface $request,
+        CredentialsInterface $credentials,
+        $signingService = 's3express'
+    ) {
+        $request = $this->modifyTokenHeaders($request, $credentials);
+        $credentials = $this->getSigningCredentials($credentials);
+        return parent::signRequest($request, $credentials, $signingService);
+    }
+
+    public function presign(RequestInterface $request, CredentialsInterface $credentials, $expires, array $options = [])
+    {
+        $request = $this->modifyTokenHeaders($request, $credentials);
+        $credentials = $this->getSigningCredentials($credentials);
+        return parent::presign($request, $credentials, $expires, $options);
+    }
+
+    private function modifyTokenHeaders(
+        RequestInterface $request,
+        CredentialsInterface $credentials
+    ) {
+        //The x-amz-security-token header is not supported by s3 express
+        $request = $request->withoutHeader('X-Amz-Security-Token');
+        return $request->withHeader(
+            'x-amz-s3session-token',
+            $credentials->getSecurityToken()
+        );
+    }
+
+    private function getSigningCredentials(CredentialsInterface $credentials)
+    {
+        return new Credentials(
+            $credentials->getAccessKeyId(),
+            $credentials->getSecretKey()
+        );
+    }
+}