/**
* {@inheritdoc}
*/
public function getExternalUrl()
{
if (!isset($this->uri)) {
throw new \LogicException('A URI must be set before calling getExternalUrl().');
}
$path_segments = $this->uri->getPathSegments();
$args = array();
// Image styles support
// Delivers the first request to an image from the private file system
// otherwise it returns an external URL to an image that has not been
// created yet.
if ($path_segments[0] === 'styles' && !file_exists((string) $this->uri)) {
return $this->url($this::stylesCallback . '/' . $this->uri->getBucket() . $this->uri->getPath(), array('absolute' => TRUE));
}
// UI overrides.
// Save as.
$expiry = NULL;
if ($this->forceDownload()) {
$args['ResponseContentDisposition'] = $this->getContentDispositionAttachment();
$expiry = time() + 60 * 60 * 24;
}
// Torrent URLs.
$path = $this->getLocalPath();
if ($this->useTorrent()) {
$path .= '?torrent';
}
if ($presigned = $this->usePresigned()) {
$expiry = time() + $presigned->getTimeout();
}
// @codeCoverageIgnoreStart
if ($expiry && $this->config->isCloudFront()) {
$url = $this->getCloudFrontUrl($path, $expiry);
} else {
// Generate a standard URL.
$url = $this->getS3Url($path, $expiry, $args);
}
return (string) $url;
}
