jun 3

.env

@@ -14,6 +14,8 @@
 # Run "composer dump-env prod" to compile .env files for production use (requires symfony/flex >=1.2).
 # https://symfony.com/doc/current/best_practices.html#use-environment-variables-for-infrastructure-configuration
 
+AKISMET_KEY=f7aadd74d13f
+
 ###> symfony/framework-bundle ###
 APP_ENV=dev
 APP_SECRET=cf9b8a37ccaf3e584b1bbb006b79af57

.platform.app.yaml

@@ -35,6 +35,7 @@ web:
 
 mounts:
     "/var": { source: local, source_path: var }
+    "/public/uploads": { source: local, source_path: uploads }
     
 
 relationships:

config/packages/security.yaml

@@ -4,14 +4,26 @@ security:
         Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface: 'auto'
     # https://symfony.com/doc/current/security.html#loading-the-user-the-user-provider
     providers:
-        users_in_memory: { memory: null }
+        # used to reload user from session & other features (e.g. switch_user)
+        app_user_provider:
+            entity:
+                class: App\Entity\Admin
+                property: username
     firewalls:
         dev:
             pattern: ^/(_(profiler|wdt)|css|images|js)/
             security: false
         main:
             lazy: true
-            provider: users_in_memory
+            provider: app_user_provider
+            form_login:
+                login_path: app_login
+                check_path: app_login
+                enable_csrf: true
+            logout:
+                path: app_logout
+                # where to redirect after logout
+                # target: app_any_route
 
             # activate different ways to authenticate
             # https://symfony.com/doc/current/security.html#the-firewall
@@ -22,8 +34,8 @@ security:
     # Easy way to control access for large sections of your site
     # Note: Only the *first* access control that matches will be used
     access_control:
-        # - { path: ^/admin, roles: ROLE_ADMIN }
+        - { path: ^/admin, roles: ROLE_ADMIN }
-        # - { path: ^/profile, roles: ROLE_USER }
+    # - { path: ^/profile, roles: ROLE_USER }
 
 when@test:
     security:

config/secrets/dev/dev.AKISMET_KEY.ca01fb.php

@@ -0,0 +1,3 @@
+<?php // dev.AKISMET_KEY.ca01fb on Wed, 03 Jul 2024 11:59:32 +0000
+
+return "\xB98\x05Hk\x3B\xA0\xD6\x02\x7Cj\x9F\xF0\x2Am\xEF\x22\x8F\x29\xF7C\x95\x85\x3B\xE2\xC6\xFC~\x0C\x8D\xDDZ\x9A\xDE\xCF\x86\xF5\xBFZ\xD2\x5C\xC0\x09fK\xD8\xDD\xB3\x8F\x81\x0B\x9D\xFC\x8C\x1BZ\x8F\xB3\x83\x1B";

config/secrets/dev/dev.decrypt.private.php

@@ -0,0 +1,4 @@
+<?php // dev.decrypt.private on Wed, 03 Jul 2024 11:59:32 +0000
+
+// SYMFONY_DECRYPTION_SECRET=DvrLXH7erqdZVC2zbEww19XKYO0wZhwhjp0jcHYgouhbYEZHdK9I4Q8GVHLnKKe5YS2dYBHKFniktsfjrKOXcA==
+return "\x0E\xFA\xCB\x5C~\xDE\xAE\xA7YT-\xB3lL0\xD7\xD5\xCA\x60\xED0f\x1C\x21\x8E\x9D\x23pv\x20\xA2\xE8\x5B\x60FGt\xAFH\xE1\x0F\x06Tr\xE7\x28\xA7\xB9a-\x9D\x60\x11\xCA\x16x\xA4\xB6\xC7\xE3\xAC\xA3\x97p";

config/secrets/dev/dev.encrypt.public.php

@@ -0,0 +1,3 @@
+<?php // dev.encrypt.public on Wed, 03 Jul 2024 11:59:32 +0000
+
+return "\x5B\x60FGt\xAFH\xE1\x0F\x06Tr\xE7\x28\xA7\xB9a-\x9D\x60\x11\xCA\x16x\xA4\xB6\xC7\xE3\xAC\xA3\x97p";

config/secrets/dev/dev.list.php

@@ -0,0 +1,5 @@
+<?php
+
+return [
+    'AKISMET_KEY' => null,
+];

config/secrets/prod/prod.encrypt.public.php

@@ -0,0 +1,3 @@
+<?php // prod.encrypt.public on Wed, 03 Jul 2024 12:03:06 +0000
+
+return "G\x26\xF8\x25\xABd\x84\x3AbWM2\xE9\x0D\x2C\x02\xCA\xD2\xAEV\x82\xA1\x3E\xBF\xC3gv7q\xBAQ.";

migrations/Version20240703113708.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20240703113708 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('CREATE SEQUENCE admin_id_seq INCREMENT BY 1 MINVALUE 1 START 1');
+        $this->addSql('CREATE TABLE admin (id INT NOT NULL, username VARCHAR(180) NOT NULL, roles JSON NOT NULL, password VARCHAR(255) NOT NULL, PRIMARY KEY(id))');
+        $this->addSql('CREATE UNIQUE INDEX UNIQ_IDENTIFIER_USERNAME ON admin (username)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('CREATE SCHEMA public');
+        $this->addSql('DROP SEQUENCE admin_id_seq CASCADE');
+        $this->addSql('DROP TABLE admin');
+    }
+}

src/Controller/ConferenceController.php

@@ -8,6 +8,7 @@ use App\Entity\Conference;
 use App\Form\CommentType;
 use App\Repository\CommentRepository;
 use App\Repository\ConferenceRepository;
+use App\SpamChecker;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\DependencyInjection\Attribute\Autowire;
@@ -35,6 +36,7 @@ class ConferenceController extends AbstractController
         Request $request,
         Conference $conference,
         CommentRepository $commentRepository,
+        SpamChecker $spamChecker,
         ConferenceRepository $conferenceRepository,
         #[Autowire('%photo_dir%')] string $photoDir,
     ): Response {
@@ -50,6 +52,15 @@ class ConferenceController extends AbstractController
                 $comment->setPhotoFilename($filename);
             }
             $this->entityManager->persist($comment);
+            $context = [
+                'user_ip' => $request->getClientIp(),
+                'user_agent' => $request->headers->get('user-agent'),
+                'referrer' => $request->headers->get('referer'),
+                'permalink' => $request->getUri(),
+            ];
+            if (2 === $spamChecker->getSpamScore($comment, $context)) {
+                throw new \RuntimeException('Blatant spam, go away!');
+            }
             $this->entityManager->flush();
 
             return $this->redirectToRoute('conference', ['slug' => $conference->getSlug()]);

src/Controller/SecurityController.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Authentication\AuthenticationUtils;
+
+class SecurityController extends AbstractController
+{
+    #[Route(path: '/login', name: 'app_login')]
+    public function login(AuthenticationUtils $authenticationUtils): Response
+    {
+        // get the login error if there is one
+        $error = $authenticationUtils->getLastAuthenticationError();
+
+        // last username entered by the user
+        $lastUsername = $authenticationUtils->getLastUsername();
+
+        return $this->render('security/login.html.twig', [
+            'last_username' => $lastUsername,
+            'error' => $error,
+        ]);
+    }
+
+    #[Route(path: '/logout', name: 'app_logout')]
+    public function logout(): void
+    {
+        throw new \LogicException('This method can be blank - it will be intercepted by the logout key on your firewall.');
+    }
+}

src/Entity/Admin.php

@@ -0,0 +1,108 @@
+<?php
+
+namespace App\Entity;
+
+use App\Repository\AdminRepository;
+use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
+use Symfony\Component\Security\Core\User\UserInterface;
+
+#[ORM\Entity(repositoryClass: AdminRepository::class)]
+#[ORM\UniqueConstraint(name: 'UNIQ_IDENTIFIER_USERNAME', fields: ['username'])]
+class Admin implements UserInterface, PasswordAuthenticatedUserInterface
+{
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column]
+    private ?int $id = null;
+
+    #[ORM\Column(length: 180)]
+    private ?string $username = null;
+
+    /**
+     * @var list<string> The user roles
+     */
+    #[ORM\Column]
+    private array $roles = [];
+
+    /**
+     * @var string The hashed password
+     */
+    #[ORM\Column]
+    private ?string $password = null;
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getUsername(): ?string
+    {
+        return $this->username;
+    }
+
+    public function setUsername(string $username): static
+    {
+        $this->username = $username;
+
+        return $this;
+    }
+
+    /**
+     * A visual identifier that represents this user.
+     *
+     * @see UserInterface
+     */
+    public function getUserIdentifier(): string
+    {
+        return (string) $this->username;
+    }
+
+    /**
+     * @see UserInterface
+     *
+     * @return list<string>
+     */
+    public function getRoles(): array
+    {
+        $roles = $this->roles;
+        // guarantee every user at least has ROLE_USER
+        $roles[] = 'ROLE_USER';
+
+        return array_unique($roles);
+    }
+
+    /**
+     * @param list<string> $roles
+     */
+    public function setRoles(array $roles): static
+    {
+        $this->roles = $roles;
+
+        return $this;
+    }
+
+    /**
+     * @see PasswordAuthenticatedUserInterface
+     */
+    public function getPassword(): string
+    {
+        return $this->password;
+    }
+
+    public function setPassword(string $password): static
+    {
+        $this->password = $password;
+
+        return $this;
+    }
+
+    /**
+     * @see UserInterface
+     */
+    public function eraseCredentials(): void
+    {
+        // If you store any temporary, sensitive data on the user, clear it here
+        // $this->plainPassword = null;
+    }
+}

src/Repository/AdminRepository.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Repository;
+
+use App\Entity\Admin;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
+use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
+use Symfony\Component\Security\Core\User\PasswordUpgraderInterface;
+
+/**
+ * @extends ServiceEntityRepository<Admin>
+ */
+class AdminRepository extends ServiceEntityRepository implements PasswordUpgraderInterface
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, Admin::class);
+    }
+
+    /**
+     * Used to upgrade (rehash) the user's password automatically over time.
+     */
+    public function upgradePassword(PasswordAuthenticatedUserInterface $user, string $newHashedPassword): void
+    {
+        if (!$user instanceof Admin) {
+            throw new UnsupportedUserException(sprintf('Instances of "%s" are not supported.', $user::class));
+        }
+
+        $user->setPassword($newHashedPassword);
+        $this->getEntityManager()->persist($user);
+        $this->getEntityManager()->flush();
+    }
+
+    //    /**
+    //     * @return Admin[] Returns an array of Admin objects
+    //     */
+    //    public function findByExampleField($value): array
+    //    {
+    //        return $this->createQueryBuilder('a')
+    //            ->andWhere('a.exampleField = :val')
+    //            ->setParameter('val', $value)
+    //            ->orderBy('a.id', 'ASC')
+    //            ->setMaxResults(10)
+    //            ->getQuery()
+    //            ->getResult()
+    //        ;
+    //    }
+
+    //    public function findOneBySomeField($value): ?Admin
+    //    {
+    //        return $this->createQueryBuilder('a')
+    //            ->andWhere('a.exampleField = :val')
+    //            ->setParameter('val', $value)
+    //            ->getQuery()
+    //            ->getOneOrNullResult()
+    //        ;
+    //    }
+}

src/SpamChecker.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App;
+
+use App\Entity\Comment;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+class SpamChecker
+{
+    private $endpoint;
+
+    public function __construct(
+        private HttpClientInterface $client,
+        #[Autowire('%env(AKISMET_KEY)%')] string $akismetKey,
+    ) {
+        $this->endpoint = sprintf('https://%s.rest.akismet.com/1.1/comment-check', $akismetKey);
+    }
+
+    /**
+     * @return int Spam score: 0: not spam, 1: maybe spam, 2: blatant spam
+     *
+     * @throws \RuntimeException if the call did not work
+     */
+    public function getSpamScore(Comment $comment, array $context): int
+    {
+        $response = $this->client->request('POST', $this->endpoint, [
+            'body' => array_merge($context, [
+                'blog' => 'https://guestbook.example.com',
+                'comment_type' => 'comment',
+                'comment_author' => $comment->getAuthor(),
+                'comment_author_email' => $comment->getEmail(),
+                'comment_content' => $comment->getText(),
+                'comment_date_gmt' => $comment->getCreatedAt()->format('c'),
+                'blog_lang' => 'en',
+                'blog_charset' => 'UTF-8',
+                'is_test' => true,
+            ]),
+        ]);
+
+        $headers = $response->getHeaders();
+        if ('discard' === ($headers['x-akismet-pro-tip'][0] ?? '')) {
+            return 2;
+        }
+
+        $content = $response->getContent();
+        if (isset($headers['x-akismet-debug-help'][0])) {
+            throw new \RuntimeException(sprintf('Unable to check for spam: %s (%s).', $content, $headers['x-akismet-debug-help'][0]));
+        }
+
+        return 'true' === $content ? 1 : 0;
+    }
+}

templates/security/login.html.twig

@@ -0,0 +1,41 @@
+{% extends 'base.html.twig' %}
+
+{% block title %}Log in!{% endblock %}
+
+{% block body %}
+    <form method="post">
+        {% if error %}
+            <div class="alert alert-danger">{{ error.messageKey|trans(error.messageData, 'security') }}</div>
+        {% endif %}
+
+        {% if app.user %}
+            <div class="mb-3">
+                You are logged in as {{ app.user.userIdentifier }}, <a href="{{ path('app_logout') }}">Logout</a>
+            </div>
+        {% endif %}
+
+        <h1 class="h3 mb-3 font-weight-normal">Please sign in</h1>
+        <label for="username">Username</label>
+        <input type="text" value="{{ last_username }}" name="_username" id="username" class="form-control" autocomplete="username" required autofocus>
+        <label for="password">Password</label>
+        <input type="password" name="_password" id="password" class="form-control" autocomplete="current-password" required>
+
+        <input type="hidden" name="_csrf_token"
+               value="{{ csrf_token('authenticate') }}"
+        >
+
+        {#
+            Uncomment this section and add a remember_me option below your firewall to activate remember me functionality.
+            See https://symfony.com/doc/current/security/remember_me.html
+
+            <div class="checkbox mb-3">
+                <input type="checkbox" name="_remember_me" id="_remember_me">
+                <label for="_remember_me">Remember me</label>
+            </div>
+        #}
+
+        <button class="btn btn-lg btn-primary" type="submit">
+            Sign in
+        </button>
+    </form>
+{% endblock %}