/**
* Retrieves an access token for the given authorization code
* (previously generated from www.linkedin.com on behalf of
* a specific user). The authorization code is sent to www.linkedin.com
* and a legitimate access token is generated provided the access token
* and the user for which it was generated all match, and the user is
* either logged in to LinkedIn or has granted an offline access permission.
*
* @param LinkedInUrlGeneratorInterface $urlGenerator
* @param string $code An authorization code.
*
* @return AccessToken An access token exchanged for the authorization code.
*
* @throws LinkedInException
*/
protected function getAccessTokenFromCode(LinkedInUrlGeneratorInterface $urlGenerator, $code)
{
if (empty($code)) {
throw new LinkedInException('Could not get access token: The code was empty.');
}
$redirectUri = $this->getStorage()->get('redirect_uri');
try {
$url = $urlGenerator->getUrl('www', 'oauth/v2/accessToken');
$headers = ['Content-Type' => 'application/x-www-form-urlencoded'];
$body = http_build_query(['grant_type' => 'authorization_code', 'code' => $code, 'redirect_uri' => $redirectUri, 'client_id' => $this->appId, 'client_secret' => $this->appSecret]);
$response = ResponseConverter::convertToArray($this->getRequestManager()->sendRequest('POST', $url, $headers, $body));
} catch (LinkedInTransferException $e) {
// most likely that user very recently revoked authorization.
// In any event, we don't have an access token, so throw an exception.
throw new LinkedInException('Could not get access token: The user may have revoked the authorization response from LinkedIn.com was empty.', $e->getCode(), $e);
}
if (empty($response)) {
throw new LinkedInException('Could not get access token: The response from LinkedIn.com was empty.');
}
$tokenData = array_merge(['access_token' => null, 'expires_in' => null], $response);
$token = new AccessToken($tokenData['access_token'], $tokenData['expires_in']);
if (!$token->hasToken()) {
throw new LinkedInException('Could not get access token: The response from LinkedIn.com did not contain a token.');
}
return $token;
}
/**
* Retrieves an access token for the given authorization code
* (previously generated from www.linkedin.com on behalf of
* a specific user). The authorization code is sent to www.linkedin.com
* and a legitimate access token is generated provided the access token
* and the user for which it was generated all match, and the user is
* either logged in to LinkedIn or has granted an offline access permission.
*
* @param string $code An authorization code.
* @param string $redirectUri Where the user should be redirected after token is generated.
* Default is the current url
*
* @return AccessToken|null An access token exchanged for the authorization code, or
* null if an access token could not be generated.
*/
protected function getAccessTokenFromCode($code, $redirectUri = null)
{
if (empty($code)) {
return;
}
if ($redirectUri === null) {
$redirectUri = $this->getUrlGenerator()->getCurrentUrl();
}
try {
$response = $this->getRequest()->send('POST', $this->getUrlGenerator()->getUrl('www', 'uas/oauth2/accessToken'), ['body' => array('grant_type' => 'authorization_code', 'code' => $code, 'redirect_uri' => $redirectUri, 'client_id' => $this->getAppId(), 'client_secret' => $this->getAppSecret())]);
} catch (LinkedInApiException $e) {
// most likely that user very recently revoked authorization.
// In any event, we don't have an access token, so say so.
return;
}
if (empty($response)) {
return;
}
$tokenData = array_merge(array('access_token' => null, 'expires_in' => null), $response);
$token = new AccessToken($tokenData['access_token'], $tokenData['expires_in']);
if (!$token->hasToken()) {
return;
}
return $token;
}