/**
* Load Facebook data.
*
* @return View_Alert|array
*/
public function load_facebook()
{
if (!$this->consumer) {
return '';
}
try {
if ($response = $this->consumer->api_call('/' . $this->external->external_user_id . '?fields=id,name,link')) {
// Received a response from 3rd party
if ($error = Arr::get($response, 'error')) {
Kohana::$log->add(Log::NOTICE, 'OAuth2: Failed to load Facebook profile: :error', array(':error' => $error->message));
// .. but it was an error
return new View_Alert(__('They said ":error"', array(':error' => HTML::chars($error->message))), __('Failed to load your profile :('), View_Alert::ERROR);
} else {
return $response;
}
} else {
// No data received, this should be handled by exceptions
return new View_Alert(__('No data received'), __('Failed to load your profile :('), View_Alert::ERROR);
}
} catch (Kohana_Exception $e) {
Kohana::$log->add(Log::NOTICE, 'OAuth2: Exception: :error', array(':error' => $e->getMessage()));
return new View_Alert(HTML::chars($e->getMessage()), __('Failed to load your profile :('), View_Alert::ERROR);
}
}
/**
* Action: Redirected from 3rd party.
*/
public function action_redirect()
{
$provider = $this->consumer->get_provider();
if ($provider != 'facebook') {
// Unsupported provider
$this->view->add(View_Page::COLUMN_CENTER, new View_Alert(__('We are not entirely sure what 3rd party service redirected you here'), __('Failed to load your profile :('), View_Alert::ERROR));
Kohana::$log->add(Log::NOTICE, 'OAuth2: Unsupported provider: :provider', array(':provider' => $provider));
return;
}
if ($response = Arr::get($_REQUEST, OAuth2::RESPONSE_TYPE_CODE)) {
// Code received, change it to access token
try {
$token = $this->consumer->request_token(array(OAuth2::RESPONSE_TYPE_CODE => $response));
if (Visitor::$user) {
// Already logged in
$external = Model_User_External::factory()->find_by_user_id(Visitor::$user->id, $provider);
if ($this->_update_token($external, $token)) {
// Already paired with local user
$this->request->redirect(URL::user(Visitor::$user, 'settings'));
//Request::back();
} else {
// Not paired with local user, do so
if ($response = $this->consumer->api_call('/me', array('fields' => 'id,email'))) {
// Received a response from 3rd party
if ($error = Arr::get($response, 'error')) {
// .. but it was an error
$this->view->add(View_Page::COLUMN_CENTER, new View_Alert(__('They said ":error"', array(':error' => HTML::chars($error->message))), __('Failed to load your profile :('), View_Alert::ERROR));
Kohana::$log->add(Log::NOTICE, 'OAuth2: Failed to load Facebook profile: :error', array(':error' => $error->message));
} else {
// Received required information
$external = new Model_User_External();
$external->set_fields(array('token' => $token['access_token'], 'user_id' => Visitor::$user->id, 'external_user_id' => Arr::get($response, 'id'), 'created' => time(), 'expires' => time() + (int) $token['expires'], 'provider' => $provider));
$external->save();
$this->request->redirect(URL::user(Visitor::$user, 'settings'));
//Request::back();
}
} else {
// No data received, this should be handled by exceptions
}
}
} else {
// No signed in user available
if ($response = $this->consumer->api_call('/me')) {
// Received a response from 3rd party
if ($error = Arr::get($response, 'error')) {
// .. but it was an error
$this->view->add(View_Page::COLUMN_CENTER, new View_Alert(__('They said ":error"', array(':error' => HTML::chars($error->message))), __('Failed to load your profile :('), View_Alert::ERROR));
Kohana::$log->add(Log::NOTICE, 'OAuth2: Failed to load Facebook profile: :error', array(':error' => $error->message));
} else {
// Received required information
$external_user_id = Arr::get($response, 'id');
$external = Model_User_External::factory()->find_by_external_user_id($external_user_id, $provider);
if ($this->_update_token($external, $token)) {
// Already paired with local user, login
Kohana::$log->add(Log::DEBUG, 'OAuth2: Attempting to login :external_user_id => :user_id', array(':external_user_id' => $external->external_user_id, ':user_id' => $external->user_id));
if ($this->_login($external)) {
Request::back();
}
Kohana::$log->add(Log::WARNING, 'OAuth2: Login failed');
} else {
// Not paired with a local user, check if we have unpaired user available
$email = Arr::get($response, 'email');
// Store external user id in session data, token should be stored in OAuth2
Session::instance()->set('oauth2.' . $provider . '.id', $external_user_id);
if ($user = Model_User::find_user($email)) {
// User with same email found, ask to sign in
Kohana::$log->add(Log::DEBUG, 'OAuth2: Existing user with same email found');
$this->view->add(View_Page::COLUMN_CENTER, $this->section_signin($user, $response));
} else {
// No user with same email found, start registering
Kohana::$log->add(Log::DEBUG, 'OAuth2: Starting new user registration');
Session::instance()->set('oauth2.' . $provider . '.response', $response);
$this->request->redirect(Route::url('sign', array('action' => 'up')) . '?provider=' . $provider);
}
}
}
} else {
// No data received, this should be handled by exceptions
}
}
} catch (OAuth2_Exception_InvalidGrant $e) {
$this->view->add(View_Page::COLUMN_CENTER, new View_Alert(HTML::chars($e->getMessage()), __('Failed to load your profile :('), View_Alert::ERROR));
Kohana::$log->add(Log::NOTICE, 'OAuth2: Invalid grant: :error', array(':error' => $e->getMessage()));
} catch (Kohana_Exception $e) {
$this->view->add(View_Page::COLUMN_CENTER, new View_Alert(HTML::chars($e->getMessage()), __('Failed to load your profile :('), View_Alert::ERROR));
Kohana::$log->add(Log::NOTICE, 'OAuth2: Exception: :error', array(':error' => $e->getMessage()));
}
} else {
$this->view->add(View_Page::COLUMN_CENTER, new View_Alert(__('Did not receive required code from 3rd party'), __('Failed to load your profile :('), View_Alert::ERROR));
Kohana::$log->add(Log::NOTICE, 'OAuth2: No code received');
}
}
