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1<?php
2
3namespace Miniframe\SocialLogin\Controller;
4
5use Miniframe\Core\AbstractController;
6use Miniframe\Core\Config;
7use Miniframe\Core\Request;
8use Miniframe\Core\Response;
9use Miniframe\Response\PhpResponse;
10use Miniframe\Response\RedirectResponse;
11use Miniframe\SocialLogin\Middleware\SocialLogin;
12use Miniframe\SocialLogin\Provider\ProviderInterface;
13use Miniframe\SocialLogin\Provider\Email;
14
15class Login extends AbstractSocialLoginController
16{
17    /**
18     * Reference to a provider
19     *
20     * @var ProviderInterface|null
21     */
22    protected $provider;
23
24    /**
25     * List of known providers.
26     *
27     * @var array
28     */
29    protected $providers;
30
31    /**
32     * Initializes the Login Controller
33     *
34     * @param Request                $request              Reference to the Request object.
35     * @param Config                 $config               Reference to the Config object.
36     * @param SocialLogin            $socialLogin          Reference to the SocialLogin middleware.
37     * @param string                 $socialLoginPrefixUrl Base URL for the Social Login pages.
38     * @param array                  $providers            List of known providers.
39     * @param ProviderInterface|null $provider             Provider class, if known.
40     */
41    public function __construct(
42        Request $request,
43        Config $config,
44        SocialLogin $socialLogin,
45        string $socialLoginPrefixUrl,
46        array $providers,
47        ?ProviderInterface $provider = null
48    ) {
49        parent::__construct($request, $config, $socialLogin, $socialLoginPrefixUrl);
50        $this->providers = $providers;
51        $this->provider = $provider;
52    }
53
54    /**
55     * Returns the login page
56     *
57     * @return Response
58     */
59    public function login(): Response
60    {
61        $state = SocialLogin::parseState($this->request->getRequest('state'));
62
63        // When a provider is defined, log in with that provider
64        if ($this->provider) {
65            $this->socialLogin->login($this->provider->authenticate());
66            return new RedirectResponse($state['redirectUrl'] ?? $this->config->get('framework', 'base_href'));
67        }
68
69        // Is there just one provider that's not Email, and autologin is enabled? Redirect directly
70        if (
71            count($this->providers) === 1
72            && !isset($this->providers['email'])
73            && $this->config->has('sociallogin', 'autologin')
74            && $this->config->get('sociallogin', 'autologin') == true
75        ) {
76            $providerName = array_keys($this->providers)[0];
77            $redirectUrl = $this->socialLoginPrefixUrl
78                . 'login/' . $providerName
79                . '?state=' . rawurlencode($this->request->getRequest('state'))
80            ;
81            return new RedirectResponse($redirectUrl);
82        }
83
84        // Get provider themes
85        $providerImages = array();
86        $providerColors = array();
87        foreach ($this->providers as $provider => $class) {
88            $providerImages[$provider] = $class::getLogoSource();
89            $providerColors[$provider] = $class::getThemeColor();
90        }
91
92        // Define the public href for the "Close" button
93        $publicHref = null;
94        if ($this->config->has('sociallogin', 'public_href')) {
95            $publicHref = $this->config->get('sociallogin', 'public_href');
96        }
97
98        // Do we have an error?
99        $error = $state['error'] ?? null;
100        $state['error'] = null;
101
102        return new PhpResponse(__DIR__ . '/../../templates/login.html.php', [
103            'socialLoginPrefixUrl' => $this->socialLoginPrefixUrl,
104            'providers' => array_keys(array_diff($this->providers, [Email::class])),
105            'providerImages' => $providerImages,
106            'providerColors' => $providerColors,
107            'publicHref' => $publicHref,
108            'emailEnabled' => in_array(Email::class, $this->providers),
109            'state' => SocialLogin::generateState($state),
110            'error' => $error,
111            'darkmode' => $this->darkmode,
112        ]);
113    }
114
115    /**
116     * Logs out the current user and redirects to the previous page.
117     *
118     * @return Response
119     */
120    public function logout(): Response
121    {
122        $this->socialLogin->logout();
123
124        $state = SocialLogin::parseState($this->request->getRequest('state'));
125        return new RedirectResponse($state['redirectUrl'] ?? $this->config->get('framework', 'base_href'));
126    }
127}