function _acquia_purge_action_purge in Acquia Purge 6

Same name and namespace in other branches

1. 7 acquia_purge.rules.inc \_acquia_purge_action_purge()

Action callback to the "Purge a path from Varnish on Acquia Cloud" rule.

File

./acquia_purge.rules.inc, line 33

Rules integration that provides a purge action as rule action.

Code

function _acquia_purge_action_purge($configured_paths) {
  $paths = array();

  // As users can enter these paths, we are treating them as tainted input.
  foreach (explode("\n", $configured_paths) as $configured_path) {

    // We begin by copying a trimmed version of the given line.
    $path = trim($configured_path);

    // And we strip off starting or trailing slashes, not belonging to a path.
    $path = trim($path, '/');

    // And strip double slashes that slipped in accidentally.
    $path = str_replace('//', '/', $path);

    // Add if the string isn't empty and only when it is new in the list.
    if (!empty($path) && !in_array($path, $paths)) {
      $paths[] = $path;
    }
  }

  // Relay the purging of these paths to our API helper and we are done here.
  acquia_purge_purge_paths($paths);
}