/**
* Helper method to start the flow by redirecting the user to the
* authentication server. The getAccessToken method must be used when the
* server redirects the user back to the redirect uri
*
* @param \PSX\Url $url
* @param string $clientId
* @param string $redirectUri
* @param string $scope
* @param string $state
*/
public static function redirect(Url $url, $clientId, $redirectUri = null, $scope = null, $state = null)
{
$parameters = $url->getParameters();
$parameters['response_type'] = 'code';
$parameters['client_id'] = $clientId;
if (isset($redirectUri)) {
$parameters['redirect_uri'] = $redirectUri;
}
if (isset($scope)) {
$parameters['scope'] = $scope;
}
if (isset($state)) {
$parameters['state'] = $state;
}
throw new StatusCode\TemporaryRedirectException($url->withScheme('https')->withParameters($parameters)->toString());
}
/**
* If you have established a token and token secret you can use this method
* to get the authorization header. You can add the header to an http
* request to make an valid oauth request i.e.
* <code>
* $header = array(
* 'Authorization: ' . $oauth->getAuthorizationHeader(...),
* );
* </code>
*
* @param \PSX\Url $url
* @param string $consumerKey
* @param string $consumerSecret
* @param string $token
* @param string $tokenSecret
* @param string $method
* @param string $requestMethod
* @param array $post
* @return string
*/
public function getAuthorizationHeader(Url $url, $consumerKey, $consumerSecret, $token, $tokenSecret, $method = 'HMAC-SHA1', $requestMethod = 'GET', array $post = array())
{
$values = array('oauth_consumer_key' => $consumerKey, 'oauth_token' => $token, 'oauth_signature_method' => $method, 'oauth_timestamp' => self::getTimestamp(), 'oauth_nonce' => self::getNonce(), 'oauth_version' => self::getVersion());
// build the base string
$params = array_merge($values, $url->getParameters());
if ($requestMethod == 'POST' && !empty($post)) {
$params = array_merge($params, $post);
}
$baseString = self::buildBasestring($requestMethod, $url, $params);
// get the signature object
$signature = self::getSignature($method);
// generate the signature
$values['oauth_signature'] = $signature->build($baseString, $consumerSecret, $tokenSecret);
// build request
$authorizationHeader = 'OAuth realm="psx", ' . self::buildAuthString($values);
return $authorizationHeader;
}
