PHP ActiveX

REST Stream Response to File (Streaming Download) (Amazon S3)

See more Amazon S3 (new) Examples

Demonstrates how to stream the response body directly to a file. (The example shows how to stream a JPG from the Amazon S3 service.) PHP ActiveX

<?php

$success = 0;

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

$rest = new COM("Chilkat.Rest");

// Connect to the Amazon AWS REST server.
$bTls = 1;
$port = 443;
$bAutoReconnect = 1;
$success = $rest->Connect('s3.amazonaws.com',$port,$bTls,$bAutoReconnect);

// ----------------------------------------------------------------------------
// Important: For buckets created in regions outside us-east-1,
// there are three important changes that need to be made.
// See Working with S3 Buckets in Non-us-east-1 Regions for the details.
// ----------------------------------------------------------------------------

// Provide AWS credentials for the REST call.
$authAws = new COM("Chilkat.AuthAws");
$authAws->AccessKey = 'AWS_ACCESS_KEY';
$authAws->SecretKey = 'AWS_SECRET_KEY';
$authAws->ServiceName = 's3';
$success = $rest->SetAuthAws($authAws);

// Set the bucket name via the HOST header.
// In this case, the bucket name is "chilkat100".
$rest->Host = 'chilkat100.s3.amazonaws.com';

// Send the request to download the JPG.
$success = $rest->SendReqNoBody('GET','/starfish.jpg');
if ($success != 1) {
    print $rest->LastErrorText . "\n";
    exit;
}

// Read the response header.
$responseStatusCode = $rest->ReadResponseHeader();
if ($responseStatusCode < 0) {
    print $rest->LastErrorText . "\n";
    exit;
}

print 'Response status code = ' . $responseStatusCode . "\n";

// We expect a 200 response status if the JPG data is coming.
// Otherwise, we'll get a string response body with an error message(or no response body).
if ($responseStatusCode == 200) {

    $bodyStream = new COM("Chilkat.Stream");

    // The stream's sink will be a file.
    $bodyStream->SinkFile = 'qa_output/starfish.jpg';

    // Read the response body to the stream.  Given that we've
    // set the stream's sink to a file, it will stream directly
    // to the file.
    $success = $rest->ReadRespBodyStream($bodyStream,1);
    if ($success != 1) {
        print $rest->LastErrorText . "\n";
        exit;
    }

    print 'Successfully received the JPG file.' . "\n";

}
else {
    $errResponse = $rest->readRespBodyString();
    if ($rest->LastMethodSuccess != 1) {
        print $rest->LastErrorText . "\n";
    }
    else {
        print $errResponse . "\n";
    }

}


?>