desbest

<?php
/**
 * Returns a pre-signed URL to access a restricted AWS S3 object.
 *
 * @param string $access_key the AWS access key
 * @param string $secret_key the AWS secret key associated with the access key
 * @param string $bucket the S3 bucket
 * @param string $canonical_uri the object in the S3 bucket expressed as a canonical URI.
 * This should begin with the / character, and should not be URL-encoded
 * @param int $expires the time that the pre-signed URL will expire, in seconds