/**
* Given a URL extracted from a page, return an absolute URL
*
* Takes a URL (e.g. /test) extracted from a page (e.g. http://foo.com/bar/) and
* returns an absolute URL (e.g. http://foo.com/bar/test). Absolute URLs are
* returned as-is.
*
* A null value is returned in the event that the extracted_url is blank or it's
* unable to be parsed.
*
* @param string $extracted_url Relative or absolute URL extracted from page
* @param string $page_url URL of page
* @return string|null Absolute URL, or null
*/
function sist_relative_to_absolute_url($extracted_url, $page_url)
{
$extracted_url = trim($extracted_url);
if ($extracted_url === '') {
return null;
}
// check for a protocol-less URL
// (Note: there's a bug in PHP <= 5.4.7 where parsed URLs starting with //
// are treated as a path. So we're doing this check upfront.)
// http://php.net/manual/en/function.parse-url.php#example-4617
if (strpos($extracted_url, '//') === 0) {
// if this is a local URL, add the protocol to the URL
if (stripos($extracted_url, '//' . sist_get_origin_host()) === 0) {
$extracted_url = substr_replace($extracted_url, sist_get_origin_scheme() . '://', 0, 2);
}
return $extracted_url;
}
$parsed_extracted_url = parse_url($extracted_url);
// parse_url can sometimes return false; bail if it does
if ($parsed_extracted_url === false) {
return null;
}
if (isset($parsed_extracted_url['host'])) {
return $extracted_url;
} elseif (isset($parsed_extracted_url['scheme'])) {
// examples of schemes without hosts: java:, data:
return $extracted_url;
} else {
// no host on extracted page (might be relative url)
$path = isset($parsed_extracted_url['path']) ? $parsed_extracted_url['path'] : '';
$query = isset($parsed_extracted_url['query']) ? '?' . $parsed_extracted_url['query'] : '';
$fragment = isset($parsed_extracted_url['fragment']) ? '#' . $parsed_extracted_url['fragment'] : '';
// turn our relative url into an absolute url
$extracted_url = phpUri::parse($page_url)->join($path . $query . $fragment);
return $extracted_url;
}
}
/**
* Render the options page.
*
* @return void
*/
public function display_options_page()
{
if (isset($_POST['save'])) {
$this->save_options();
$message = __('Settings saved.', self::SLUG);
$this->view->add_flash('updated', $message);
}
$this->view->set_layout('admin')->set_template('options')->assign('slug', self::SLUG)->assign('origin_scheme', sist_get_origin_scheme())->assign('origin_host', sist_get_origin_host())->assign('destination_scheme', $this->options->get('destination_scheme'))->assign('destination_host', $this->options->get('destination_host'))->assign('temp_files_dir', $this->options->get('temp_files_dir'))->assign('additional_urls', $this->options->get('additional_urls'))->assign('delivery_method', $this->options->get('delivery_method'))->assign('local_dir', $this->options->get('local_dir'))->assign('delete_temp_files', $this->options->get('delete_temp_files'))->assign('aws_s3_bucket', $this->options->get('aws_s3_bucket'))->assign('aws_access_key_id', $this->options->get('aws_access_key_id'))->assign('aws_secret_access_key', $this->options->get('aws_secret_access_key'))->render();
}