/**
* Checks enqueued URL hostname and extension against whitelists.
*
* @since 0.4.0
*
* @param string $url URL to be checked.
* @param array $extensions Whitelist of filename extensions.
* @return bool True if extension is in whitelist, false if not.
*/
function postscript_check_url($url, $extensions = array())
{
if (!empty($url) && postscript_check_url_extension($url, $extensions) && postscript_check_url_hostname($url)) {
return true;
} else {
return false;
}
}
/**
* Checks enqueued URL hostname and extension against whitelists.
*
* @since 0.4.0
*
* @param string $url URL to be checked.
* @param array $extensions Whitelist of filename extensions.
* @return string $url_error Error message if true, else empty string if not.
*/
function postscript_url_error($url, $extensions = array())
{
$screen = get_current_screen();
$url_error = '';
if ('postscript' != $screen->id && !empty($url)) {
// Do not display on settings screen.
if (!postscript_check_url_extension($url, $extensions)) {
$url_error = '<br /><span class="wp-ui-notification">' . __('Error: Wrong file <strong>extension</strong>:', 'postscript') . '</span>';
} elseif (!postscript_check_url_hostname($url)) {
$url_error = '<br /><span class="wp-ui-notification">' . __('Error: URL <strong>hostname</strong> not on whitelist:', 'postscript') . '</span>';
} else {
$url_error = '';
}
}
return $url_error;
}
