public function FileKeyProvider::getKeyValue in Key 8

Returns the value of a key.

Parameters

\Drupal\key\KeyInterface $key: The key whose value will be retrieved.

Return value

string The key value.

Overrides KeyProviderInterface::getKeyValue

File

src/Plugin/KeyProvider/FileKeyProvider.php, line 104

Class

FileKeyProvider

Adds a key provider that allows a key to be stored in a file.

Namespace

Drupal\key\Plugin\KeyProvider

Code

public function getKeyValue(KeyInterface $key) {
  $file = $this->configuration['file_location'];

  // Make sure the file exists and is readable.
  if (!is_file($file) || !is_readable($file)) {
    return NULL;
  }
  $key_value = file_get_contents($file);
  if (isset($this->configuration['strip_line_breaks']) && $this->configuration['strip_line_breaks'] == TRUE) {
    $key_value = rtrim($key_value, "\n\r");
  }
  if (isset($this->configuration['base64_encoded']) && $this->configuration['base64_encoded'] == TRUE) {
    $key_value = base64_decode($key_value);
  }
  return $key_value;
}