PHP ActiveX

Create S3 Pre-Signed URL for Upload

See more Amazon S3 Examples

Demonstrates how to generate a pre-signed URL for S3 uploads. PHP ActiveX

<?php

$success = 0;

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

$http = new COM("Chilkat.Http");

$http->AwsAccessKey = 'AWS_ACCESS_KEY';
$http->AwsSecretKey = 'AWS_SECRET_KEY';

// Make sure to set your AWS region correctly
$http->AwsRegion = 'us-east-1';

$bucketName = 'chilkat200';
$objectName = 'starfish/starfish.jpg';
$awsService = 's3';
$httpVerb = 'PUT';

// The signed URL will be valid for this number of seconds:
$numSecondsValid = 86400;

// Choose between a URL beginning with "http://" or "https://"...
$bUseHttps = 1;

// Generate the pre-signed URL
$preSignedUrl = $http->s3_GenPresignedUrl($httpVerb,$bUseHttps,$bucketName,$objectName,$numSecondsValid,$awsService);
if ($http->LastMethodSuccess == 0) {
    print $http->LastErrorText . "\n";
    exit;
}

print 'Presigned URL for Upload: ' . $preSignedUrl . "\n";

// Here's an example of a pre-signed URL
// 
// http://chilkat200.s3.amazonaws.com/starfish/starfish.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIBJLOVZVXAU2AFUA%2F20200623%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20200623T234049Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=xxxxxeaea071178d772856c0a4e4c0114a8d9992f0d0812955e490d0exxxxxxx
// 

// You can use the pre-signed URL to upload from Chilkat
// For example, upload by streaming from a local file
$resp = new COM("Chilkat.HttpResponse");
$success = $http->HttpFile('PUT',$preSignedUrl,'qa_data/jpg/starfish.jpg','image/jpg',$resp);
if ($success == 0) {
    print $http->LastErrorText . "\n";
    exit;
}

print 'response status code = ' . $resp->StatusCode . "\n";
print 'response body size: ' . $resp->ContentLength . "\n";
if ($resp->ContentLength > 0) {
    print 'response body:' . "\n";
    print $resp->BodyStr . "\n";
}


?>