/**
* Handle an user authorization request.
*
* Parses an authorization request. This includes OAuth and OMB
* verification.
* Throws exceptions on failures. Returns an OMB_Profile object representing
* the remote user.
*
* The OMB_Profile passed to the constructor of OMB_Service_Provider should
* not represent the user specified in the authorization request, but the
* one currently logged in to the service. This condition being satisfied,
* handleUserAuth will check whether the listener specified in the request
* is identical to the logged in user.
*
* @access public
*
* @return OMB_Profile The profile of the soon-to-be subscribed, i. e.
* remote user
*/
public function handleUserAuth()
{
OMB_Helper::removeMagicQuotesFromRequest();
/* Verify the request token. */
$this->token = $this->datastore->lookup_token(null, "request", $_GET['oauth_token']);
if (is_null($this->token)) {
throw new OAuthException('The given request token has not been ' . 'issued by this service.');
}
/* Verify the OMB part. */
if ($_GET['omb_version'] !== OMB_VERSION) {
throw OMB_RemoteServiceException::forRequest(OAUTH_ENDPOINT_AUTHORIZE, 'Wrong OMB version ' . $_GET['omb_version']);
}
if ($_GET['omb_listener'] !== $this->user->getIdentifierURI()) {
throw OMB_RemoteServiceException::forRequest(OAUTH_ENDPOINT_AUTHORIZE, 'Wrong OMB listener ' . $_GET['omb_listener']);
}
foreach (array('omb_listenee', 'omb_listenee_profile', 'omb_listenee_nickname', 'omb_listenee_license') as $param) {
if (!isset($_GET[$param]) || is_null($_GET[$param])) {
throw OMB_RemoteServiceException::forRequest(OAUTH_ENDPOINT_AUTHORIZE, "Required parameter '{$param}' not found");
}
}
/* Store given callback for later use. */
if (isset($_GET['oauth_callback']) && $_GET['oauth_callback'] !== '') {
$this->callback = $_GET['oauth_callback'];
if (!OMB_Helper::validateURL($this->callback)) {
throw OMB_RemoteServiceException::forRequest(OAUTH_ENDPOINT_AUTHORIZE, 'Invalid callback URL specified');
}
}
$this->remote_user = OMB_Profile::fromParameters($_GET, 'omb_listenee');
return $this->remote_user;
}
public function setSeealsoLicenseURL($seealso_license_url)
{
if ($seealso_license_url === '') {
$seealso_license_url = null;
} elseif (!OMB_Helper::validateURL($seealso_license_url)) {
throw new OMB_InvalidParameterException($seealso_license_url, 'notice', 'omb_seealso_license');
}
$this->seealso_license_url = $seealso_license_url;
$this->param_array = false;
}
public function setAvatarURL($avatar_url)
{
if ($avatar_url === '') {
$avatar_url = null;
} elseif (!OMB_Helper::validateURL($avatar_url)) {
throw new OMB_InvalidParameterException($avatar_url, 'profile', 'omb_listenee_avatar or omb_listener_avatar');
}
$this->avatar_url = $avatar_url;
$this->param_array = false;
}
