public function authenticate(array $request, $redirectUri = null)
{
$token = $this->requestAccessToken($request, $redirectUri);
if ($token == null) {
return null;
}
$token = $this->parseToken($token);
if (!$this->isValidToken($token)) {
$this->setError(Error::createFromRequest($request, Error::INVALID_TOKEN));
return null;
}
return $this->token = $this->createToken($token);
}
protected function requestAccessToken(array $request, $redirectUri)
{
self::getStorage()->delete($this->getStorageKey());
if (!isset($request['oauth_verifier'])) {
$this->setError(Error::createFromRequest($request, Error::INVALID_VERIFIER));
return null;
}
$parameters = array('oauth_verifier' => $request['oauth_verifier']);
$data = $this->execOAuthRequest('GET', $this->getAccessTokenUrl(), $parameters);
if (false === strpos($data, '&')) {
$this->setError(Error::createFromRequest($data));
return null;
}
return $data;
}
protected function requestAccessToken(array $request, $redirectUri)
{
if (!isset($request['code'])) {
$this->setError(Error::createFromRequest($request, Error::INVALID_CODE));
return null;
}
$code = (string) $request['code'];
$parameters = array('client_id' => $this->getId(), 'client_secret' => $this->getSecret(), 'redirect_uri' => $redirectUri, 'code' => $code, 'grant_type' => 'authorization_code');
$body = $this->execPost($this->getTokenUrl(), $parameters);
$data = json_decode($body, true);
if ($data == null) {
return $body;
}
return $data;
}
