/**
* oauth_signature is set to the concatenated encoded values of the Consumer Secret and
* Token Secret, separated by a '&' character (ASCII code 38), even if either secret is
* empty. The result MUST be encoded again.
* - Chapter 9.4.1 ("Generating Signatures")
*
* Please note that the second encoding MUST NOT happen in the SignatureMethod, as
* OAuthRequest handles this!
*/
public function build_signature($request, $consumer, $token)
{
$key_parts = array($consumer->secret, $token ? $token->secret : "");
$key_parts = TwitterUtils::urlencode_rfc3986($key_parts);
$key = implode('&', $key_parts);
$request->base_string = $key;
return $key;
}
public function build_signature($request, $consumer, $token)
{
$base_string = $request->get_signature_base_string();
$request->base_string = $base_string;
$key_parts = array($consumer->secret, $token ? $token->secret : "");
$key_parts = TwitterUtils::urlencode_rfc3986($key_parts);
$key = implode('&', $key_parts);
return base64_encode(hash_hmac('sha1', $base_string, $key, true));
}
/**
* builds the Authorization: header
*/
public function to_header($realm = null)
{
$first = true;
if ($realm) {
$out = 'Authorization: OAuth realm="' . TwitterUtils::urlencode_rfc3986($realm) . '"';
$first = false;
} else {
$out = 'Authorization: OAuth';
}
foreach ($this->parameters as $k => $v) {
if (substr($k, 0, 5) != "oauth") {
continue;
}
if (is_array($v)) {
throw new TwitterException('Arrays not supported in headers');
}
$out .= $first ? ' ' : ',';
$out .= TwitterUtils::urlencode_rfc3986($k) . '="' . TwitterUtils::urlencode_rfc3986($v) . '"';
$first = false;
}
return $out;
}
/**
* generates the basic string serialization of a token that a server
* would respond to request_token and access_token calls with
*/
function to_string()
{
return "oauth_token=" . TwitterUtils::urlencode_rfc3986($this->key) . "&oauth_token_secret=" . TwitterUtils::urlencode_rfc3986($this->secret);
}
