(Perl) Create S3 Pre-Signed URL for Upload

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

Chilkat Perl Downloads Perl Module for Windows, MacOS, Linux, Alpine Linux, Solaris

use chilkat();

# 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 = chilkat::CkHttp->new();

$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 = 0;

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

print "Presigned URL for Upload: " . $preSignedUrl . "\r\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 HttpResponse
$resp = $http->PFile("PUT",$preSignedUrl,"qa_data/jpg/starfish.jpg","image/jpg",0,0);
if ($http->get_LastMethodSuccess() == 0) {
    print $http->lastErrorText() . "\r\n";
    exit;
}

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