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<?php
namespace amnah\yii2\user\controllers;
use Yii;
use yii\web\Controller;
/**
* Social auth controller for User module
*/
class AuthController extends Controller
{
/**
* @var \amnah\yii2\user\Module
* @inheritdoc
*/
public $module;
/**
* @inheritdoc
*/
public function actions()
{
return [
'connect' => [
'class' => 'yii\authclient\AuthAction',
'successCallback' => [$this, 'connectCallback'],
'successUrl' => Yii::$app->homeUrl . 'user/account',
],
'login' => [
'class' => 'yii\authclient\AuthAction',
'successCallback' => [$this, 'loginRegisterCallback'],
'successUrl' => Yii::$app->homeUrl,
],
];
}
/**
* Connect social auth to the logged-in user
* @param \yii\authclient\BaseClient $client
* @return \yii\web\Response
* @throws \yii\web\ForbiddenHttpException
*/
public function connectCallback($client)
{
// uncomment this to see which attributes you get back
//echo "<pre>";print_r($client->getUserAttributes());echo "</pre>";exit;
// check if user is not logged in. if so, do nothing
if (Yii::$app->user->isGuest) {
return;
}
// register a new user
$userAuth = $this->initUserAuth($client);
$userAuth->setUser(Yii::$app->user->id)->save();
}
/**
* Login/register via social auth
* @param \yii\authclient\BaseClient $client
* @return \yii\web\Response
* @throws \yii\web\ForbiddenHttpException
*/
public function loginRegisterCallback($client)
{
// uncomment this to see which attributes you get back
//echo "<pre>";print_r($client->getUserAttributes());echo "</pre>";exit;
// check if user is already logged in. if so, do nothing
if (!Yii::$app->user->isGuest) {
return;
}
// attempt to log in as an existing user
if ($this->attemptLogin($client)) {
return;
}
// register a new user
$userAuth = $this->initUserAuth($client);
$this->registerAndLoginUser($client, $userAuth);
}
/**
* Initialize a userAuth model based on $client data. Note that we don't set
* `user_id` yet because that can either be the currently logged in user OR a user
* matched by email address
* @param \yii\authclient\BaseClient $client
* @return \amnah\yii2\user\models\UserAuth
*/
protected function initUserAuth($client)
{
/** @var \amnah\yii2\user\models\UserAuth $userAuth */
// build data. note that we don't set `user_id` yet
$attributes = $client->getUserAttributes();
$userAuth = $this->module->model("UserAuth");
$userAuth->provider = $client->name;
$userAuth->provider_id = (string)$attributes["id"];
// parse out google id
$idCheck = strpos($userAuth->provider_id, "o8/id?id=");
if ($idCheck !== false) {
$userAuth->provider_id = substr($userAuth->provider_id, $idCheck + 9);
}
$userAuth->setProviderAttributes($attributes);
return $userAuth;
}
/**
* Attempt to log user in by checking if $userAuth already exists in the db,
* or if a user already has the email address
* @param \yii\authclient\BaseClient $client
* @return bool
*/
protected function attemptLogin($client)
{
/** @var \amnah\yii2\user\models\User $user */
/** @var \amnah\yii2\user\models\UserAuth $userAuth */
/** @var \amnah\yii2\user\models\UserToken $userToken */
$user = $this->module->model("User");
$userAuth = $this->module->model("UserAuth");
$userToken = $this->module->model("UserToken");
// attempt to find userAuth in database by id and name
$attributes = $client->getUserAttributes();
$userAuth = $userAuth::findOne([
"provider" => $client->name,
"provider_id" => (string)$attributes["id"],
]);
if ($userAuth) {
// check if user is banned, otherwise log in
$user = $user::findOne($userAuth->user_id);
if ($user && $user->banned_at) {
return false;
}
Yii::$app->user->login($user, $this->module->loginDuration);
return true;
}
// call "setInfo{clientName}" function to ensure that we get email consistently
// this is mainly used for google auth, which returns the email in an array
// @see setInfoGoogle()
$function = "setInfo" . ucfirst($client->name);
list ($user, $profile) = $this->$function($attributes);
// attempt to find user by email
if (!empty($user["email"])) {
// check if any user has has tried to change their email
// if so, delete it
$email = trim($user["email"]);
$userToken = $userToken::findByData($email, $userToken::TYPE_EMAIL_CHANGE);
if ($userToken) {
$userToken->delete();
}
// find user and create user provider for match
$user = $user::findOne(["email" => $email]);
if ($user) {
$userAuth = $this->initUserAuth($client);
$userAuth->setUser($user->id)->save();
Yii::$app->user->login($user, $this->module->loginDuration);
return true;
}
}
return false;
}
/**
* Register a new user using client attributes and then associate userAuth
* @param \yii\authclient\BaseClient $client
* @param \amnah\yii2\user\models\UserAuth $userAuth
*/
protected function registerAndLoginUser($client, $userAuth)
{
/** @var \amnah\yii2\user\models\User $user */
/** @var \amnah\yii2\user\models\Profile $profile */
/** @var \amnah\yii2\user\models\Role $role */
$role = $this->module->model("Role");
// set user and profile info
$attributes = $client->getUserAttributes();
$function = "setInfo" . ucfirst($client->name); // "setInfoFacebook()"
list ($user, $profile) = $this->$function($attributes);
// calculate and double check username (in case it is already taken)
$fallbackUsername = "{$client->name}_{$userAuth->provider_id}";
$user = $this->doubleCheckUsername($user, $fallbackUsername);
// save new models
$user->setScenario("social");
$user->setRegisterAttributes($role::ROLE_USER, $user::STATUS_ACTIVE)->save();
$profile->setUser($user->id)->save();
$userAuth->setUser($user->id)->save();
// log user in
Yii::$app->user->login($user, $this->module->loginDuration);
}
/**
* Double checks username to ensure that it isn't already taken. If so,
* revert to fallback
* @param \amnah\yii2\user\models\User $user
* @param string $fallbackUsername
* @return mixed
*/
protected function doubleCheckUsername($user, $fallbackUsername)
{
// replace periods with underscore to match user rules
$user->username = str_replace(".", "_", $user->username);
// check unique username
$userCheck = $user::findOne(["username" => $user->username]);
if ($userCheck) {
$user->username = $fallbackUsername;
}
return $user;
}
/**
* Set info for facebook registration
* @param array $attributes
* @return array [$user, $profile]
*/
protected function setInfoFacebook($attributes)
{
/** @var \amnah\yii2\user\models\User $user */
/** @var \amnah\yii2\user\models\Profile $profile */
$user = $this->module->model("User");
$profile = $this->module->model("Profile");
// set email/username if they are set
// note: email may be missing if user signed up using a phone number
if (!empty($attributes["email"])) {
$user->email = $attributes["email"];
}
if (!empty($attributes["username"])) {
$user->username = $attributes["username"];
}
// use facebook name as username as fallback
if (empty($attributes["email"]) && empty($attributes["username"])) {
$user->username = str_replace(" ", "_", $attributes["name"]);
}
$profile->full_name = $attributes["name"];
return [$user, $profile];
}
/**
* Set info for twitter registration
* @param array $attributes
* @return array [$user, $profile]
*/
protected function setInfoTwitter($attributes)
{
/** @var \amnah\yii2\user\models\User $user */
/** @var \amnah\yii2\user\models\Profile $profile */
$user = $this->module->model("User");
$profile = $this->module->model("Profile");
$user->username = $attributes["screen_name"];
$profile->full_name = $attributes["name"];
return [$user, $profile];
}
/**
* Set info for google registration
* @param array $attributes
* @return array [$user, $profile]
*/
protected function setInfoGoogle($attributes)
{
/** @var \amnah\yii2\user\models\User $user */
/** @var \amnah\yii2\user\models\Profile $profile */
$user = $this->module->model("User");
$profile = $this->module->model("Profile");
$user->email = isset($attributes["email"]) ? $attributes["email"] : $attributes["emails"][0]["value"];
$profile->full_name = isset($attributes["name"]["givenName"]) ? "{$attributes["name"]["givenName"]} {$attributes["name"]["familyName"]}" : $attributes["name"];
return [$user, $profile];
}
/**
* Set info for reddit registration
* @param array $attributes
* @return array [$user, $profile]
*/
protected function setInfoReddit($attributes)
{
/** @var \amnah\yii2\user\models\User $user */
/** @var \amnah\yii2\user\models\Profile $profile */
$user = $this->module->model("User");
$profile = $this->module->model("Profile");
$user->username = $attributes["name"];
return [$user, $profile];
}
/**
* Set info for LinkedIn registration
* @param array $attributes
* @return array [$user, $profile]
*/
protected function setInfoLinkedIn($attributes)
{
/** @var \amnah\yii2\user\models\User $user */
/** @var \amnah\yii2\user\models\Profile $profile */
$user = $this->module->model("User");
$profile = $this->module->model("Profile");
$user->email = $attributes["email"];
$profile->full_name = "{$attributes["first_name"]} {$attributes["last_name"]}";
return [$user, $profile];
}
/**
* Set info for vkontakte registration
*
* @author Ilya Sheershoff <sheershoff@gmail.com>
* @param array $attributes
* @return array [$user, $profile]
*/
protected function setInfoVkontakte($attributes)
{
/** @var \amnah\yii2\user\models\User $user */
/** @var \amnah\yii2\user\models\Profile $profile */
$user = $this->module->model("User");
$profile = $this->module->model("Profile");
foreach ($_SESSION as $k => $v) {
if (is_object($v) && get_class($v) == "yii\\authclient\\OAuthToken") {
/** @var \yii\authclient\OAuthToken $v */
$user->email = $v->getParam('email');
}
}
// set email/username if they are set
// note: email may be missing if user signed up using a phone number
if (!empty($attributes["email"])) {
$user->email = $attributes["email"];
}
if (!empty($attributes["username"])) {
$user->username = $attributes["username"];
}else{
$user->username = "vkontakte_{$attributes["id"]}";
}
$profile->full_name = "{$attributes["first_name"]} {$attributes["last_name"]}";
return [$user, $profile];
}
}