[CORE] Add passowrd reset and forgot password functionality

config/packages/reset_password.yaml

@@ -0,0 +1,2 @@
+symfonycasts_reset_password:
+    request_password_repository: App\Repository\ResetPasswordRequestRepository

src/Controller/ResetPassword.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace App\Controller;
+
+use App\Core\Controller;
+use App\Entity\LocalUser;
+use App\Util\Exception\RedirectException;
+use Symfony\Component\Form\Extension\Core\Type\EmailType;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Validator\Constraints\NotBlank;
+use SymfonyCasts\Bundle\ResetPassword\Controller\ResetPasswordControllerTrait;
+use SymfonyCasts\Bundle\ResetPassword\Exception\ResetPasswordExceptionInterface;
+
+class ResetPassword extends Controller
+{
+    use ResetPasswordControllerTrait;
+
+    /**
+     * Display & process form to request a password reset.
+     */
+    public function requestPasswordReset(Request $request)
+    {
+        $from = Form::create([
+            ['email', EmailType::class,  ['label' => _m('Email'), 'constraints' => [ new NotBlank(['message' => _m('Please enter an email') ]) ]]],
+            ['password_reset_request', SubmitType::class, ['label' => _m('Submit request')]],
+        ]);
+
+        $form->handleRequest($request);
+        if ($form->isSubmitted() && $form->isValid()) {
+            return EmailVerifier::processSendingPasswordResetEmail($form->get('email')->getData(), $this);
+        }
+
+        return [
+            '_template'           => 'reset_password/request.html.twig',
+            'password_reset_form' => $from->createView(),
+        ];
+    }
+
+    /**
+     * Confirmation page after a user has requested a password reset.
+     */
+    public function checkEmail()
+    {
+        // We prevent users from directly accessing this page
+        if (null === ($resetToken = $this->getTokenObjectFromSession())) {
+            throw new RedirectException('request_reset_password');
+        }
+
+        return [
+            '_template'  => 'reset_password/check_email.html.twig',
+            'resetToken' => $resetToken,
+        ];
+    }
+
+    /**
+     * Validates and process the reset URL that the user clicked in their email.
+     */
+    public function reset(Request $request, string $token = null)
+    {
+        if ($token) {
+            // We store the token in session and remove it from the URL, to avoid the URL being
+            // loaded in a browser and potentially leaking the token to 3rd party JavaScript.
+            $this->storeTokenInSession($token);
+            throw new RedirectException('reset_password');
+        }
+
+        $token = $this->getTokenFromSession();
+        if (null === $token) {
+            throw new ClientException(_m('No reset password token found in the URL or in the session'));
+        }
+
+        try {
+            $user = EmailVerifier::validateTokenAndFetchUser($token);
+        } catch (ResetPasswordExceptionInterface $e) {
+            $this->addFlash('reset_password_error', _m('There was a problem validating your reset request - {reason}', ['reason' => $e->getReason()]));
+            throw new RedirectException('request_reset_password');
+        }
+
+        // The token is valid; allow the user to change their password.
+        $form = From::create([
+            FormFields::password(),
+            ['password_reset', SubmitType::class, ['label' => _m('Change password')]],
+        ]);
+
+        $form->handleRequest($request);
+        if ($form->isSubmitted() && $form->isValid()) {
+            // A password reset token should be used only once, remove it.
+            EmailVerifier::removeResetRequest($token);
+
+            $user->setPassword(LocalUser::hashPassword($form->get('password')->getData()));
+            DB::flush();
+
+            // The session is cleaned up after the password has been changed.
+            $this->cleanSessionAfterReset();
+
+            throw new RedirectException('main_all');
+        }
+
+        return [
+            '_template' => 'reset_password/reset.html.twig',
+            'resetForm' => $form->createView(),
+        ];
+    }
+}

src/Core/GNUsocial.php

@@ -46,6 +46,7 @@ use App\Core\DB\DB;
 use App\Core\I18n\I18n;
 use App\Core\Queue\Queue;
 use App\Core\Router\Router;
+use App\Security\EmailVerifier;
 use App\Util\Common;
 use App\Util\Exception\ConfigurationException;
 use App\Util\Formatting;
@@ -62,6 +63,7 @@ use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpFoundation\Session\SessionInterface;
 use Symfony\Component\HttpKernel\Event\RequestEvent;
 use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\Mailer\MailerInterface;
 use Symfony\Component\Messenger\MessageBusInterface;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Routing\RouterInterface;
@@ -69,6 +71,7 @@ use Symfony\Component\Security\Core\Security as SSecurity;
 use Symfony\Component\Security\Http\Util\TargetPathTrait;
 use Symfony\Contracts\HttpClient\HttpClientInterface;
 use Symfony\Contracts\Translation\TranslatorInterface;
+use SymfonyCasts\Bundle\ResetPassword\ResetPasswordHelperInterface;
 use SymfonyCasts\Bundle\VerifyEmail\VerifyEmailHelperInterface;
 use Twig\Environment;
 
@@ -96,7 +99,9 @@ class GNUsocial implements EventSubscriberInterface
     protected ContainerBagInterface $config;
     protected Environment $twig;
     protected ?Request $request;
+    protected MailerInterface $mailer_helper;
     protected VerifyEmailHelperInterface $email_verify_helper;
+    protected ResetPasswordHelperInterface $reset_password_helper;
 
     /**
      * Symfony dependency injection gives us access to these services
@@ -117,25 +122,29 @@ class GNUsocial implements EventSubscriberInterface
                                 ContainerBagInterface $conf,
                                 Environment $twig,
                                 RequestStack $request_stack,
-                                VerifyEmailHelperInterface $email_helper)
+                                MailerInterface $mailer,
+                                VerifyEmailHelperInterface $email_verify_helper,
+                                ResetPasswordHelperInterface $reset_helper)
     {
-        $this->logger              = $logger;
-        $this->translator          = $trans;
-        $this->entity_manager      = $em;
-        $this->router              = $router;
-        $this->url_generator       = $url_gen;
-        $this->form_factory        = $ff;
-        $this->message_bus         = $mb;
-        $this->event_dispatcher    = $ed;
-        $this->session             = $sess;
-        $this->security            = $sec;
-        $this->module_manager      = $mm;
-        $this->client              = $cl;
-        $this->sanitizer           = $san;
-        $this->config              = $conf;
-        $this->twig                = $twig;
-        $this->request             = $request_stack->getCurrentRequest();
-        $this->email_verify_helper = $email_helper;
+        $this->logger                = $logger;
+        $this->translator            = $trans;
+        $this->entity_manager        = $em;
+        $this->router                = $router;
+        $this->url_generator         = $url_gen;
+        $this->form_factory          = $ff;
+        $this->message_bus           = $mb;
+        $this->event_dispatcher      = $ed;
+        $this->session               = $sess;
+        $this->security              = $sec;
+        $this->module_manager        = $mm;
+        $this->client                = $cl;
+        $this->sanitizer             = $san;
+        $this->config                = $conf;
+        $this->twig                  = $twig;
+        $this->request               = $request_stack->getCurrentRequest();
+        $this->mailer_helper         = $mailer;
+        $this->email_verify_helper   = $email_verify_helper;
+        $this->reset_password_helper = $reset_helper;
 
         $this->initialize();
     }
@@ -163,7 +172,7 @@ class GNUsocial implements EventSubscriberInterface
             HTTPClient::setClient($this->client);
             Formatting::setTwig($this->twig);
             Cache::setupCache();
-            EmailVerifier::setVerifyEmailHelper($this->email_verify_helper);
+            EmailVerifier::setEmailHelpers($this->mailer_helper, $this->email_verify_helper, $this->reset_password_helper);
 
             DB::initTableMap();
 

src/Entity/ResetPasswordRequest.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace App\Entity;
+
+use App\Core\Entity;
+use SymfonyCasts\Bundle\ResetPassword\Model\ResetPasswordRequestInterface;
+
+class ResetPasswordRequest extends Entity implements ResetPasswordRequestInterface
+{
+    // {{{ Autocode
+    // @codeCoverageIgnoreStart
+    private string $nickname;
+    private \DateTimeInterface $created;
+
+    public function setNickname(string $nickname): self
+    {
+        $this->nickname = $nickname;
+        return $this;
+    }
+
+    public function getNickname(): string
+    {
+        return $this->nickname;
+    }
+
+    public function setCreated(DateTimeInterface $created): self
+    {
+        $this->created = $created;
+        return $this;
+    }
+
+    public function getCreated(): DateTimeInterface
+    {
+        return $this->created;
+    }
+
+    // @codeCoverageIgnoreEnd
+    // }}} Autocode
+
+    public function __construct(object $user, \DateTimeInterface $expiresAt, string $selector, string $hashedToken)
+    {
+        $this->user_id  = $user->getId();
+        $this->expires  = $expiresAt;
+        $this->selector = $selector;
+        $this->token    = $hashedToken;
+    }
+
+    public function getUser(): object
+    {
+        return LocalUser::getWithPK($this->user_id);
+    }
+
+    public function getRequestedAt(): \DateTimeInterface
+    {
+        return $this->created;
+    }
+
+    public function isExpired(): bool
+    {
+        return $this->expires->getTimestamp() <= time();
+    }
+
+    public function getExpiresAt(): \DateTimeInterface
+    {
+        return $this->expires;
+    }
+
+    public function getHashedToken(): string
+    {
+        return $this->token;
+    }
+
+    public static function schemaDef(): array
+    {
+        return [
+            'name'        => 'reset_password_request',
+            'description' => 'Represents a request made by a user to change their passowrd',
+            'fields'      => [
+                'id'       => ['type' => 'serial', 'not null' => true],
+                'user_id'  => ['type' => 'int', 'foreign key' => true, 'target' => 'LocalUser.id', 'multiplicity' => 'many to many', 'not null' => true, 'description' => 'foreign key to local_user table'],
+                'selector' => ['type' => 'char', 'length' => 20],
+                'token'    => ['type' => 'char', 'length' => 100],
+                'expires'  => ['type' => 'datetime', 'not null' => true],
+                'created'  => ['type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+            ],
+            'primary key' => ['id'],
+        ];
+    }
+}

src/Routes/Main.php

@@ -45,6 +45,9 @@ abstract class Main
         $r->connect('login', '/login', [C\Security::class, 'login']);
         $r->connect('logout', '/logout', [C\Security::class, 'logout']);
         $r->connect('register', '/register', [C\Security::class, 'register']);
+        $r->connect('check_email', '/check-email', [C\ResetPassword::class, 'checkEmail']);
+        $r->connect('request_reset_password', '/request-reset-password', [C\ResetPassword::class, 'requestPasswordReset']);
+        $r->connect('reset_password', '/reset/{token?}', [C\ResetPassword::class, 'reset']);
 
         $r->connect('root', '/', RedirectController::class, ['defaults' => ['route' => 'main_all']]);
         $r->connect('main_public', '/main/public', [C\Network::class, 'public']);

src/Security/EmailVerifier.php

@@ -2,21 +2,40 @@
 
 namespace App\Security;
 
+use App\Core\Controller;
 use App\Core\DB\DB;
-use App\Core\Mailer;
+use App\Util\Exception\NotFoundException;
+use App\Util\Exception\RedirectException;
 use Symfony\Bridge\Twig\Mime\TemplatedEmail;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Mailer\MailerInterface;
 use Symfony\Component\Mime\Address;
 use Symfony\Component\Security\Core\User\UserInterface;
+use SymfonyCasts\Bundle\ResetPassword\ResetPasswordHelperInterface;
 use SymfonyCasts\Bundle\VerifyEmail\Exception\VerifyEmailExceptionInterface;
 use SymfonyCasts\Bundle\VerifyEmail\VerifyEmailHelperInterface;
 
 abstract class EmailVerifier
 {
+    private static ?MailerInterface $mailer_helper;
     private static ?VerifyEmailHelperInterface $verify_email_helper;
-    public function setVerifyEmailHelper(VerifyEmailHelperInterface $helper)
+    private static ?ResetPasswordHelperInterface $reset_password_helper;
+
+    public static function setEmailHelpers(MailerInterface $mailer, VerifyEmailHelperInterface $email_helper, ResetPasswordHelperInterface $reset_helper)
     {
-        self::$verifyEmailHelper = $helper;
+        self::$mailer_helper         = $mailer;
+        self::$verify_email_helper   = $email_helper;
+        self::$reset_password_helper = $reset_helper;
+    }
+
+    public static function validateTokenAndFetchUser(string $token)
+    {
+        return self::$reset_password_helper->validateTokenAndFetchUser($token);
+    }
+
+    public static function removeResetRequest(string $token)
+    {
+        return self::$reset_password_helper->removeResetRequest($token);
     }
 
     public static function sendEmailConfirmation(UserInterface $user): void
@@ -39,7 +58,12 @@ abstract class EmailVerifier
 
         $email->context($context);
 
-        Mailer::send($email);
+        self::send($email);
+    }
+
+    public function send($email)
+    {
+        return self::$mailer_helper->send($email);
     }
 
     /**
@@ -47,11 +71,37 @@ abstract class EmailVerifier
      */
     public function handleEmailConfirmation(Request $request, UserInterface $user): void
     {
-        $this->verify_email_helper->validateEmailConfirmation($request->getUri(), $user->getId(), $user->getOutgoingEmail());
-
+        self::$verify_email_helper->validateEmailConfirmation($request->getUri(), $user->getId(), $user->getOutgoingEmail());
         $user->setIsEmailVerified(true);
-
         DB::persist($user);
         DB::flush();
     }
+
+    public function processSendingPasswordResetEmail(string $emailFormData, Controller $controller)
+    {
+        try {
+            $user        = DB::findOneBy('local_user', ['outgoing_email' => $emailFormData]);
+            $reset_token = self::$reset_password_helper->generateResetToken($user);
+            // Found a user
+        } catch (NotFoundException | ResetPasswordExceptionInterface) {
+            // Not found, do not reveal whether a user account was found or not.
+            throw new RedirectException('check_email');
+        }
+
+        $email = (new TemplatedEmail())
+               ->from(new Address('foo@email.com', 'FOO NAME'))
+               ->to($user->getOutgoingEmail())
+               ->subject('Your password reset request')
+               ->htmlTemplate('reset_password/email.html.twig')
+               ->context([
+                   'resetToken' => $reset_token,
+               ]);
+
+        self::send($email);
+
+        // Store the token object in session for retrieval in check-email route.
+        $controller->setTokenObjectInSession($reset_token);
+
+        throw new RedirectException('check_email');
+    }
 }

templates/reset_password/check_email.html.twig

@@ -0,0 +1,11 @@
+{% extends 'base.html.twig' %}
+
+{% block title %}Password Reset Email Sent{% endblock %}
+
+{% block body %}
+    <p>
+        An email has been sent that contains a link that you can click to reset your password.
+        This link will expire in {{ resetToken.expirationMessageKey|trans(resetToken.expirationMessageData, 'ResetPasswordBundle') }}.
+    </p>
+    <p>If you don't receive an email please check your spam folder or <a href="{{ path('app_forgot_password_request') }}">try again</a>.</p>
+{% endblock %}

templates/reset_password/email.html.twig

@@ -0,0 +1,9 @@
+<h1>Hi!</h1>
+
+<p>To reset your password, please visit the following link</p>
+
+<a href="{{ url('app_reset_password', {token: resetToken.token}) }}">{{ url('app_reset_password', {token: resetToken.token}) }}</a>
+
+<p>This link will expire in {{ resetToken.expirationMessageKey|trans(resetToken.expirationMessageData, 'ResetPasswordBundle') }}.</p>
+
+<p>Cheers!</p>

templates/reset_password/request.html.twig

@@ -0,0 +1,22 @@
+{% extends 'base.html.twig' %}
+
+{% block title %}Reset your password{% endblock %}
+
+{% block body %}
+    {% for flashError in app.flashes('reset_password_error') %}
+        <div class="alert alert-danger" role="alert">{{ flashError }}</div>
+    {% endfor %}
+    <h1>Reset your password</h1>
+
+    {{ form_start(requestForm) }}
+        {{ form_row(requestForm.outgoing_email) }}
+        <div>
+            <small>
+                Enter your email address and we we will send you a
+                link to reset your password.
+            </small>
+        </div>
+
+        <button class="btn btn-primary">Send password reset email</button>
+    {{ form_end(requestForm) }}
+{% endblock %}

templates/reset_password/reset.html.twig

@@ -0,0 +1,12 @@
+{% extends 'base.html.twig' %}
+
+{% block title %}Reset your password{% endblock %}
+
+{% block body %}
+    <h1>Reset your password</h1>
+
+    {{ form_start(resetForm) }}
+        {{ form_row(resetForm.plainPassword) }}
+        <button class="btn btn-primary">Reset password</button>
+    {{ form_end(resetForm) }}
+{% endblock %}