<?php
namespace OAuth\OAuth2\Service;
use OAuth\OAuth2\Token\StdOAuth2Token;
use OAuth\Common\Http\Exception\TokenResponseException;
use OAuth\Common\Http\Uri\Uri;
use OAuth\Common\Consumer\CredentialsInterface;
use OAuth\Common\Http\Client\ClientInterface;
use OAuth\Common\Storage\TokenStorageInterface;
use OAuth\Common\Http\Uri\UriInterface;
class Mailchimp extends AbstractService
{
public function __construct(
CredentialsInterface $credentials,
ClientInterface $httpClient,
TokenStorageInterface $storage,
$scopes = array(),
UriInterface $baseApiUri = null
) {
parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
if (is_null($this->baseApiUri) && $storage->hasAccessToken($this->service())) {
$this->setBaseApiUri($storage->retrieveAccessToken($this->service()));
}
}
/**
* {@inheritdoc}
*/
protected function getAuthorizationMethod()
{
return static::AUTHORIZATION_METHOD_QUERY_STRING_V3;
}
/**
* {@inheritdoc}
*/
public function getAuthorizationEndpoint()
{
return new Uri('https://login.mailchimp.com/oauth2/authorize');
}
/**
* {@inheritdoc}
*/
public function getAccessTokenEndpoint()
{
return new Uri('https://login.mailchimp.com/oauth2/token');
}
/**
* {@inheritdoc}
*/
protected function parseAccessTokenResponse($responseBody)
{
// Parse JSON
$data = json_decode($responseBody, true);
// Do validation.
if (null === $data || !is_array($data)) {
throw new TokenResponseException('Unable to parse response.');
} elseif (isset($data['error'])) {
throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
}
// Create token object.
$token = new StdOAuth2Token($data['access_token']);
// Set the right API endpoint.
$this->setBaseApiUri($token);
// Mailchimp tokens evidently never expire...
$token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
return $token;
}
/**
* {@inheritdoc}
*/
public function request($path, $method = 'GET', $body = null, array $extraHeaders = array())
{
if (is_null($this->baseApiUri)) {
$this->setBaseApiUri($this->storage->retrieveAccessToken($this->service()));
}
return parent::request($path, $method, $body, $extraHeaders);
}
/**
* Set the right base endpoint.
*
* @param StdOAuth2Token $token
*/
protected function setBaseApiUri(StdOAuth2Token $token)
{
// Make request uri.
$endpoint = 'https://login.mailchimp.com/oauth2/metadata?oauth_token='. $token->getAccessToken();
// Grab meta data about the token.
$response = $this->httpClient->retrieveResponse(new Uri($endpoint), array(), array(), 'GET');
// Parse JSON.
$meta = json_decode($response, true);
// Set base api uri.
$this->baseApiUri = new Uri('https://'. $meta['dc'] .'.api.mailchimp.com/2.0/');
// Allow chaining.
return $this;
}
}