/** * Always add a x-amz-content-sha-256 for data integrity. */ public function presign(RequestInterface $request, CredentialsInterface $credentials, $expires) { if (!$request->hasHeader('x-amz-content-sha256')) { $request = $request->withHeader('X-Amz-Content-Sha256', $this->getPresignedPayload($request)); } return parent::presign($request, $credentials, $expires); }
private function createPresignedUrl(AwsClientInterface $client, CommandInterface $cmd) { $newCmd = $client->getCommand('CopySnapshot', $cmd->toArray()); // Avoid infinite recursion by flagging the new command. $newCmd->__skipCopySnapshot = true; // Serialize a request for the CopySnapshot operation. $request = \ILAB_Aws\serialize($newCmd); // Create the new endpoint for the target endpoint. $endpoint = EndpointProvider::resolve($this->endpointProvider, ['region' => $cmd['SourceRegion'], 'service' => 'ec2'])['endpoint']; // Set the request to hit the target endpoint. $uri = $request->getUri()->withHost((new Uri($endpoint))->getHost()); $request = $request->withUri($uri); // Create a presigned URL for our generated request. $signer = new SignatureV4('ec2', $cmd['SourceRegion']); return (string) $signer->presign(SignatureV4::convertPostToGet($request), $client->getCredentials()->wait(), '+1 hour')->getUri(); }