public function buildSignature($request, $consumer, $token)
{
$baseString = $request->getSignatureBaseString();
$request->baseString = $baseString;
$keyParts = array($consumer->secret, $token ? $token->secret : "");
$keyParts = Zeed_OAuth_Util::urlencode_rfc3986($keyParts);
$key = implode('&', $keyParts);
return base64_encode(hash_hmac('sha1', $baseString, $key, true));
}
/**
* builds the Authorization: header
*/
public function toHeader($realm = null)
{
$first = true;
if ($realm) {
$out = 'Authorization: OAuth realm="' . Zeed_OAuth_Util::urlencode_rfc3986($realm) . '"';
$first = false;
} else {
$out = 'Authorization: OAuth';
}
$total = array();
foreach ($this->parameters as $k => $v) {
if (substr($k, 0, 5) != "oauth") {
continue;
}
if (is_array($v)) {
throw new Zeed_OAuth_Exception('Arrays not supported in headers');
}
$out .= $first ? ' ' : ',';
$out .= Zeed_OAuth_Util::urlencode_rfc3986($k) . '="' . Zeed_OAuth_Util::urlencode_rfc3986($v) . '"';
$first = false;
}
return $out;
}
/**
* generates the basic string serialization of a token that a server
* would respond to request_token and access_token calls with
*/
function __toString()
{
return "oauth_token=" . Zeed_OAuth_Util::urlencode_rfc3986($this->key) . "&oauth_token_secret=" . Zeed_OAuth_Util::urlencode_rfc3986($this->secret);
}
