public function buildSignature($request, $consumer, $token)
{
$baseString = $request->getSignatureBaseString();
$request->baseString = $baseString;
$keyParts = array($consumer->secret, $token ? $token->secret : "");
$keyParts = Oauth_Util::urlencodeRfc3986($keyParts);
$key = implode('&', $keyParts);
return base64_encode(hash_hmac('sha1', $baseString, $key, true));
}
public function buildSignature($request, $consumer, $token)
{
$sig = array(Oauth_Util::urlencodeRfc3986($consumer->secret));
if ($token) {
array_push($sig, Oauth_Util::urlencodeRfc3986($token->secret));
} else {
array_push($sig, '');
}
$raw = implode("&", $sig);
// for debug purposes
$request->baseString = $raw;
return Oauth_Util::urlencodeRfc3986($raw);
}
/**
* Util function for turning the Authorization: header into
* parameters, has to do some unescaping
*/
public static function splitHeader($header)
{
$pattern = '/(([-_a-z]*)=("([^"]*)"|([^,]*)),?)/';
$offset = 0;
$params = array();
$matches = array();
while (preg_match($pattern, $header, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
$match = $matches[0];
$headerName = $matches[2][0];
$headerContent = isset($matches[5]) ? $matches[5][0] : $matches[4][0];
$params[$headerName] = Oauth_Util::urldecodeRfc3986($headerContent);
$offset = $match[1] + strlen($match[0]);
}
if (isset($params['realm'])) {
unset($params['realm']);
}
return $params;
}
/**
* Generates the basic string serialization of a token that a server
* would respond to request_token and access_token calls with
*/
public function __toString()
{
return "oauth_token=" . Oauth_Util::urlencodeRfc3986($this->key) . "&oauth_token_secret=" . Oauth_Util::urlencodeRfc3986($this->secret);
}