/**
* Exchange the request token and secret for an access token and secret, to sign API calls.
*
* @return array array('oauth_token' => the access token, 'oauth_token_secret' => the access secret)
*/
public function accessToken($oauth_verifier = false, $oauth_token = false)
{
$parameters = [];
// 1.0a
if ($oauth_verifier) {
$parameters['oauth_verifier'] = $oauth_verifier;
}
$request = $this->signedRequest($this->access_token_url, $this->access_token_method, $parameters);
$token = OAuthUtil::parse_parameters($request);
$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
return $token;
}
/**
* builds the Authorization: header
*/
public function to_header($realm = null)
{
$first = true;
if ($realm) {
$out = 'Authorization: OAuth realm="' . OAuthUtil::urlencode_rfc3986($realm) . '"';
$first = false;
} else {
$out = 'Authorization: OAuth';
}
$total = [];
foreach ($this->parameters as $k => $v) {
if (substr($k, 0, 5) != "oauth") {
continue;
}
if (is_array($v)) {
throw new OAuthExceptionPHP('Arrays not supported in headers');
}
$out .= $first ? ' ' : ',';
$out .= OAuthUtil::urlencode_rfc3986($k) . '="' . OAuthUtil::urlencode_rfc3986($v) . '"';
$first = false;
}
return $out;
}
