101 lines
2.8 KiB
PHP
101 lines
2.8 KiB
PHP
<?php namespace Oxbow\Services;
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use Laravel\Socialite\Contracts\Factory as Socialite;
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use Oxbow\Exceptions\SocialDriverNotConfigured;
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use Oxbow\Exceptions\UserNotFound;
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use Oxbow\Repos\UserRepo;
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class SocialAuthService
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{
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protected $userRepo;
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protected $socialite;
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protected $validSocialDrivers = ['google', 'github'];
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/**
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* SocialAuthService constructor.
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* @param $userRepo
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* @param $socialite
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*/
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public function __construct(UserRepo $userRepo, Socialite $socialite)
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{
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$this->userRepo = $userRepo;
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$this->socialite = $socialite;
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}
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public function logIn($socialDriver)
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{
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$driver = $this->validateDriver($socialDriver);
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return $this->socialite->driver($driver)->redirect();
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}
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/**
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* Get a user from socialite after a oAuth callback.
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*
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* @param $socialDriver
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* @return mixed
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* @throws SocialDriverNotConfigured
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* @throws UserNotFound
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*/
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public function getUserFromCallback($socialDriver)
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{
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$driver = $this->validateDriver($socialDriver);
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// Get user details from social driver
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$socialUser = $this->socialite->driver($driver)->user();
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$user = $this->userRepo->getByEmail($socialUser->getEmail());
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// Redirect if the email is not a current user.
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if ($user === null) {
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throw new UserNotFound('A user with the email ' . $socialUser->getEmail() . ' was not found.', '/login');
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}
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return $user;
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}
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/**
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* Ensure the social driver is correct and supported.
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*
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* @param $socialDriver
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* @return string
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* @throws SocialDriverNotConfigured
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*/
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private function validateDriver($socialDriver)
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{
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$driver = trim(strtolower($socialDriver));
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if (!in_array($driver, $this->validSocialDrivers)) abort(404, 'Social Driver Not Found');
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if (!$this->checklDriverConfigured($driver)) throw new SocialDriverNotConfigured;
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return $driver;
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}
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/**
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* Check a social driver has been configured correctly.
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* @param $driver
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* @return bool
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*/
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private function checklDriverConfigured($driver)
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{
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$upperName = strtoupper($driver);
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$config = [env($upperName . '_APP_ID', false), env($upperName . '_APP_SECRET', false), env('APP_URL', false)];
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return (!in_array(false, $config) && !in_array(null, $config));
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}
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/**
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* Gets the names of the active social drivers.
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* @return array
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*/
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public function getActiveDrivers()
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{
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$activeDrivers = [];
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foreach ($this->validSocialDrivers as $driverName) {
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if ($this->checklDriverConfigured($driverName)) {
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$activeDrivers[$driverName] = true;
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}
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}
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return $activeDrivers;
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}
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} |