/**
* @param Request $request
* @param Consumer $consumer
* @param Token $token
* @return string
*/
public function buildSignature(Request $request, Consumer $consumer, Token $token)
{
$signatureBase = $request->getSignatureBaseString();
$parts = array($consumer->getSecret(), null !== $token ? $token->getSecret() : '');
$parts = Util::urlencodeRFC3986($parts);
$key = implode('&', $parts);
return base64_encode(hash_hmac('sha1', $signatureBase, $key, true));
}
/**
* builds the Authorization: header
* @param mixed $realm
* @return array
*/
public function toHeader($realm = null)
{
$first = true;
if ($realm) {
$out = 'OAuth realm="' . Util::urlencodeRFC3986($realm) . '"';
$first = false;
} else {
$out = 'OAuth';
}
foreach ($this->parameters as $k => $v) {
if (substr($k, 0, 5) != "oauth") {
continue;
}
if (is_array($v)) {
continue;
}
$out .= $first ? ' ' : ', ';
$out .= Util::urlencodeRFC3986($k) . '="' . Util::urlencodeRFC3986($v) . '"';
$first = false;
}
return array('Authorization' => $out);
//- hacked into this to make it return an array. 15/11/2014.
}