public function DrupalOAuthDataStore::lookup_nonce in OAuth 1.0 7.3

Same name and namespace in other branches

1. 6.3 includes/DrupalOAuthDataStore.inc \DrupalOAuthDataStore::lookup_nonce()
2. 6 oauth.module \DrupalOAuthDataStore::lookup_nonce()
3. 7.4 includes/DrupalOAuthDataStore.inc \DrupalOAuthDataStore::lookup_nonce()

Check if the nonce value exists. If not, generate one.

Parameters

OAuthConsumer $consumer: The service consumer information with both key and secret values.

OAuthToken $token: The current token.

string $nonce: A new nonce value, in case a one doesn't current exit.

int $timestamp: The current time.

Return value

string The existing nonce value or NULL in case it doesn't exist.

Overrides OAuthDataStore::lookup_nonce

File

includes/DrupalOAuthDataStore.inc, line 72

Class

DrupalOAuthDataStore

Database abstraction class

Code

public function lookup_nonce($consumer, $token, $nonce, $timestamp) {
  if (strlen($nonce) > 255) {
    throw new OAuthException('Nonces may not be longer than 255 characters');
  }
  $stored_nonce = db_query("SELECT nonce FROM {oauth_common_nonce}\n      WHERE nonce = :nonce AND timestamp <= :timestamp and token_key = :token_key", array(
    ':nonce' => $nonce,
    ':timestamp' => $timestamp,
    ':token_key' => $token ? $token->key : '',
  ));
  if (!$stored_nonce
    ->rowCount()) {
    $values = array(
      'nonce' => $nonce,
      'timestamp' => $timestamp,
      'token_key' => $token ? $token->key : '',
    );
    drupal_write_record('oauth_common_nonce', $values);
    return NULL;
  }
  return $stored_nonce;
}