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Author: BackendDevops

README.md

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+
+# Laravel Anti-Spam Package
+
+A Laravel package to prevent spam submissions using Google reCAPTCHA, honeypots, form submission timeouts, and random questions.
+
+## Installation
+
+```bash
+composer require vendor/laravel-anti-spam
+```
+
+## Configuration
+
+Publish the configuration file:
+
+```bash
+php artisan vendor:publish --tag=config --provider="AntiSpam\\AntiSpamServiceProvider"
+```
+
+## Usage
+
+Include the honeypot in your form:
+
+```blade
+<form method="POST" action="/submit">
+    @csrf
+    @include('antispam::honeypot')
+    <label for="random_answer">{{ session('random_question') }}</label>
+    <input type="text" name="random_answer">
+    <button type="submit">Submit</button>
+</form>
+```

composer.json

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+
+{
+    "name": "vendor/laravel-anti-spam",
+    "description": "Laravel package to prevent spam submissions",
+    "type": "library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Your Name",
+            "email": "[email protected]"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "AntiSpam\\": "src/"
+        }
+    },
+    "require": {
+        "php": ">=7.4",
+        "illuminate/support": "^8.0|^9.0|^10.0"
+    }
+}

resources/lang/vendor/antispam/en/messages.php

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+
+<?php
+return [
+    'incorrect_answer' => 'Your answer to the question was incorrect.',
+];

resources/lang/vendor/antispam/tr/messages.php

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+
+<?php
+return [
+    'incorrect_answer' => 'Sorunun cevabı yanlış.',
+];

src/AntiSpamServiceProvider.php

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+
+<?php
+namespace AntiSpam;
+
+use Illuminate\Support\ServiceProvider;
+
+class AntiSpamServiceProvider extends ServiceProvider
+{
+    public function register()
+    {
+        $this->mergeConfigFrom(__DIR__ . '/Config/antispam.php', 'antispam');
+    }
+
+    public function boot()
+    {
+        $this->publishes([
+            __DIR__ . '/Config/antispam.php' => config_path('antispam.php'),
+        ], 'config');
+
+        $this->loadViewsFrom(__DIR__ . '/Views', 'antispam');
+    }
+}

src/Config/antispam.php

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+
+<?php
+return [
+    'recaptcha' => [
+        'enabled' => true,
+        'site_key' => env('RECAPTCHA_SITE_KEY', ''),
+        'secret_key' => env('RECAPTCHA_SECRET_KEY', ''),
+    ],
+    'timeout' => [
+        'enabled' => true,
+        'minimum_seconds' => 3,
+    ],
+    'honeypot' => [
+        'enabled' => true,
+        'field_name' => 'hidden_field',
+    ],
+    'random_questions' => [
+        'enabled' => true,
+        'questions' => [
+            'en' => [
+                'What is 2 + 2?' => '4',
+                'What is the capital of France?' => 'Paris',
+                'What color is the sky on a clear day?' => 'blue',
+            ],
+            'tr' => [
+                '2 + 2 kaç eder?' => '4',
+                'Türkiye’nin başkenti neresidir?' => 'Ankara',
+                'Gökyüzü açık bir günde ne renktir?' => 'mavi',
+            ],
+        ],
+    ],
+];

src/Helpers/QuestionGenerator.php

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+
+<?php
+namespace AntiSpam\Helpers;
+
+class QuestionGenerator
+{
+    public static function getRandomQuestion(): string
+    {
+        $questions = self::getLocalizedQuestions();
+        return array_rand($questions);
+    }
+
+    public static function getLocalizedQuestions(): array
+    {
+        $lang = app()->getLocale();
+        $questions = config('antispam.random_questions.questions');
+        return $questions[$lang] ?? $questions['en'];
+    }
+
+    public static function getAnswerForQuestion(string $question): ?string
+    {
+        $questions = self::getLocalizedQuestions();
+        return $questions[$question] ?? null;
+    }
+}

src/Middleware/AntiSpamMiddleware.php

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+
+<?php
+namespace AntiSpam\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use AntiSpam\Helpers\QuestionGenerator;
+
+class AntiSpamMiddleware
+{
+    public function handle(Request $request, Closure $next)
+    {
+        $config = config('antispam');
+
+        if ($config['honeypot']['enabled']) {
+            $field = $config['honeypot']['field_name'];
+            if ($request->has($field) && !empty($request->input($field))) {
+                abort(403, 'Spam detected.');
+            }
+        }
+
+        if ($config['timeout']['enabled']) {
+            $startTime = session('form_start_time');
+            if ($startTime && now()->diffInSeconds($startTime) < $config['timeout']['minimum_seconds']) {
+                abort(403, 'Submission too fast.');
+            }
+        }
+
+        if ($config['random_questions']['enabled']) {
+            $question = session('random_question');
+            $answer = QuestionGenerator::getAnswerForQuestion($question);
+            if (!$answer || $request->input('random_answer') !== $answer) {
+                abort(403, __('antispam::messages.incorrect_answer'));
+            }
+        }
+
+        return $next($request);
+    }
+}

src/Traits/HasAntiSpam.php

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+
+<?php
+namespace AntiSpam\Traits;
+
+use AntiSpam\Helpers\QuestionGenerator;
+
+trait HasAntiSpam
+{
+    public function initializeAntiSpam()
+    {
+        if (config('antispam.timeout.enabled')) {
+            session(['form_start_time' => now()]);
+        }
+
+        if (config('antispam.random_questions.enabled')) {
+            session(['random_question' => QuestionGenerator::getRandomQuestion()]);
+        }
+    }
+}

src/Views/honeypot.blade.php

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+
+@if(config('antispam.honeypot.enabled'))
+    <input type="text" name="{{ config('antispam.honeypot.field_name') }}" style="display:none;">
+@endif