sri_regenerate.sh

sri_regenerate.php

<?php

$file = file_get_contents('sri-hashes.json');

$json = json_decode($file, true);

$output = [];
foreach ($json as $key => $value)
{
  $filename = '../'.$key;
  if (!file_exists($filename))
  {
      $output[$key] = $value;
  }
  $content = file_get_contents($filename);
  $hash = base64_encode(hash('sha256', $content, true));
  $integrity = "sha256" . "-{$hash}";
  $output[$key] = $integrity;
}

if (file_exists('sri-hashes.json.tmp'))
{
  @unlink('sri-hashes.json.tmp');
}

file_put_contents('sri-hashes.json.tmp', json_encode($output));
if (file_exists('sri-hashes.json'))
{
  @unlink('sri-hashes.json');
  rename('sri-hashes.json.tmp', 'sri-hashes.json');
}