Upload file to sos-ch-dk-2.exo.io with aws PHP SDK and curl

README.md

Usage

It is important that file field is in last position (fields after file are omitted)

curl `./post_upload.php` -F file=@some-file-to-upload.txt

composer.json

{
    "require": {
        "aws/aws-sdk-php": "^3.52"
    }
}

post_upload.php

#!/usr/bin/php
<?php

require_once "./vendor/autoload.php";

$bucket = 'post-tests';
$endpoint = 'sos-ch-dk-2.exo.io';

$s3 = new Aws\S3\S3Client([
    'endpoint' => sprintf("https://%s", $endpoint),
    'version' => 'latest',
    'region' => 'ch-dk-2',
    'credentials' => [
        'key' => 'YOUR_KEY',
        'secret' => 'YOUR_SECRET'
    ]
]);


// Set some defaults for form input fields
$formInputs = [
    'acl' => 'public-read-write',
];

// Construct an array of conditions for policy
$options = [
    ['starts-with', '$key' ,''],
    ['acl' => 'public-read-write'],
    ['bucket' => $bucket],
    ["starts-with", '$Content-Type', ''],
];

// Optional: configure expiration time string
$expires = '+2 hours';

$postObject = new \Aws\S3\PostObjectV4(
    $s3,
    $bucket,
    $formInputs,
    $options,
    $expires
);

// Get attributes to set on an HTML form, e.g., action, method, enctype
$formAttributes = $postObject->getFormAttributes();

// Get form input fields. This will include anything set as a form input in
// the constructor, the provided JSON policy, your AWS Access Key ID, and an
// auth signature.
$formInputs = $postObject->getFormInputs();

$curlParams = array();

foreach($formInputs as $key => $value) {
	array_push($curlParams, sprintf('--form %s=%s', $key, $value));
}
/* array_push($curlParams, '--form "file=@images.png"'); */
array_push($curlParams, sprintf("https://%s/%s", $endpoint, $bucket));


echo implode(' ', $curlParams);
?>