(PHP Extension) S3 List Buckets using an STS Session Token

This is an example showing how to use an STS session token in an Amazon AWS request. This example will list S3 buckets using a previously obtained session token.

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<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// See Get AWS STS Session Token for sample code to get the session token XML.
$xmlToken = new CkXml();
$success = $xmlToken->LoadXmlFile('qa_data/tokens/aws_session_token.xml');
if ($success == false) {
    print $xmlToken->lastErrorText() . "\n";
    exit;
}

$rest = new CkRest();

// Connect to the Amazon AWS REST server.
$bTls = true;
$port = 443;
$bAutoReconnect = true;
$success = $rest->Connect('s3.amazonaws.com',$port,$bTls,$bAutoReconnect);

// Provide AWS credentials for the REST call.
$authAws = new CkAuthAws();

// The purpose of this example is to show how to use the temporary AccessKeyId, SecretAccessKey, and SessionToken.
$authAws->put_AccessKey($xmlToken->getChildContent('GetSessionTokenResult|Credentials|AccessKeyId'));
$authAws->put_SecretKey($xmlToken->getChildContent('GetSessionTokenResult|Credentials|SecretAccessKey'));
$authAws->put_ServiceName('s3');
$success = $rest->SetAuthAws($authAws);

$rest->AddQueryParam('X-Amz-Security-Token',$xmlToken->getChildContent('GetSessionTokenResult|Credentials|SessionToken'));

$sbResponse = new CkStringBuilder();
$success = $rest->FullRequestNoBodySb('GET','/',$sbResponse);
if ($success != true) {
    print $rest->lastErrorText() . "\n";
    exit;
}

$statusCode = $rest->get_ResponseStatusCode();
print 'Response status code = ' . $statusCode . "\n";

$xml = new CkXml();
$xml->LoadSb($sbResponse,true);
print $xml->getXml() . "\n";

if ($statusCode != 200) {
    print 'Failed.  See error information in the XML.' . "\n";
    exit;
}


?>