/**
* Build signature
*
* @param String $baseString - base string
* @param OAuthConsumer $consumer - consumer
* @param OAuthToken $token - token
* @return String
*/
public function build($baseString, $consumer, $token)
{
$keyParts = array($consumer->getSecret(), $token ? $token->getSecret() : '');
$keyParts = OAuthUtils::urlEncodeRfc3986($keyParts);
$key = implode('&', $keyParts);
return base64_encode(hash_hmac('sha1', $baseString, $key, true));
}
/**
* Build normalized HTTP query
*
* @param array $input - HTTP query parameters
* @return String - normalized query string
*/
public static function buildHTTPQuery($input)
{
if (!$input) {
return '';
}
$keys = OAuthUtils::urlEncodeRfc3986(array_keys($input));
$values = OAuthUtils::urlEncodeRfc3986(array_values($input));
$params = array_combine($keys, $values);
// Parameters are sorted by name, using lexicographical byte value ordering.
// Ref: Spec: 9.1.1 (1)
uksort($params, 'strcmp');
$pairs = array();
foreach ($params as $parameter => $value) {
if (is_array($value)) {
// If two or more parameters share the same name, they are sorted by their value
// Ref: Spec: 9.1.1 (1)
natsort($value);
foreach ($value as $duplicateValue) {
$pairs[] = $parameter . '=' . $duplicateValue;
}
} else {
$pairs[] = $parameter . '=' . $value;
}
}
return implode('&', $pairs);
}
/**
* Convert token to string
*
* @return string - string equivalent of OAuthToken
*/
public function toString()
{
return 'oauth_token=' . OAuthUtils::urlEncodeRfc3986($this->key) . '&oauth_token_secret=' . OAuthUtils::urlEncodeRfc3986($this->secret);
}
/**
* Return signature base string
*
* @return String - signature base string
*/
public function getSignatureBaseString()
{
$parts = array($this->getNormalizedHTTPMethod(), $this->getNormalizedURL(), $this->getNormalizedParameters());
$parts = OAuthUtils::urlEncodeRfc3986($parts);
return implode('&', $parts);
}
