(PHP Extension) Create S3 Pre-Signed URL for Upload

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

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

include("chilkat_9_5_0.php");

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

// Note: This example requires Chilkat v9.5.0.83 or greater.

$http = new CkHttp();

$http->put_AwsAccessKey('AWS_ACCESS_KEY');
$http->put_AwsSecretKey('AWS_SECRET_KEY');

// Make sure to set your AWS region correctly
$http->put_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 = false;

// Generate the pre-signed URL
$preSignedUrl = $http->s3_GenPresignedUrl($httpVerb,$bUseHttps,$bucketName,$objectName,$numSecondsValid,$awsService);
if ($http->get_LastMethodSuccess() == false) {
    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 is a CkHttpResponse
$resp = $http->PFile('PUT',$preSignedUrl,'qa_data/jpg/starfish.jpg','image/jpg',false,false);
if ($http->get_LastMethodSuccess() == false) {
    print $http->lastErrorText() . "\n";
    exit;
}

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


?>