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2026-05-06 19:11:31 +02:00
parent 82f2b1f660
commit 0c5dde9b22
36 changed files with 55994 additions and 30 deletions
--- a/app/Services/Traffic/BotClassifier.php
+++ b/app/Services/Traffic/BotClassifier.php
@@ -0,0 +1,158 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Traffic;
+
+use Illuminate\Http\Request;
+
+final class BotClassifier
+{
+    /**
+     * @return array{is_bot: bool, type: ?string, family: ?string}
+     */
+    public function classify(Request $request): array
+    {
+        $userAgent = trim((string) $request->userAgent());
+
+        if ($userAgent === '') {
+            return $this->bot('suspicious_bot', 'Empty UA');
+        }
+
+        $normalized = strtolower($userAgent);
+
+        if ($family = $this->matchFamily($normalized, [
+            'curl' => ['curl'],
+            'wget' => ['wget'],
+            'python-requests' => ['python-requests'],
+            'libwww-perl' => ['libwww-perl'],
+            'Go-http-client' => ['go-http-client'],
+            'Java' => ['java/'],
+            'scrapy' => ['scrapy'],
+            'httpclient' => ['httpclient'],
+            'masscan' => ['masscan'],
+            'nikto' => ['nikto'],
+            'sqlmap' => ['sqlmap'],
+        ])) {
+            return $this->bot('suspicious_bot', $family);
+        }
+
+        if ($family = $this->matchFamily($normalized, [
+            'Googlebot' => ['googlebot'],
+            'Bingbot' => ['bingbot'],
+            'DuckDuckBot' => ['duckduckbot'],
+            'YandexBot' => ['yandexbot'],
+            'Baiduspider' => ['baiduspider'],
+            'Applebot' => ['applebot'],
+            'Slurp' => ['slurp'],
+        ])) {
+            return $this->bot('search_bot', $family);
+        }
+
+        if ($family = $this->matchFamily($normalized, [
+            'GPTBot' => ['gptbot'],
+            'ChatGPT-User' => ['chatgpt-user'],
+            'OAI-SearchBot' => ['oai-searchbot'],
+            'ClaudeBot' => ['claudebot'],
+            'PerplexityBot' => ['perplexitybot'],
+            'Bytespider' => ['bytespider'],
+            'CCBot' => ['ccbot'],
+            'Google-Extended' => ['google-extended'],
+            'anthropic-ai' => ['anthropic-ai'],
+            'cohere-ai' => ['cohere-ai'],
+        ])) {
+            return $this->bot('ai_bot', $family);
+        }
+
+        if ($family = $this->matchFamily($normalized, [
+            'AhrefsBot' => ['ahrefsbot'],
+            'SemrushBot' => ['semrushbot'],
+            'MJ12bot' => ['mj12bot'],
+            'DotBot' => ['dotbot'],
+            'PetalBot' => ['petalbot'],
+            'DataForSeoBot' => ['dataforseobot'],
+            'BLEXBot' => ['blexbot'],
+            'MauiBot' => ['mauibot'],
+            'serpstatbot' => ['serpstatbot'],
+        ])) {
+            return $this->bot('seo_bot', $family);
+        }
+
+        if ($family = $this->matchFamily($normalized, [
+            'facebookexternalhit' => ['facebookexternalhit'],
+            'Twitterbot' => ['twitterbot'],
+            'LinkedInBot' => ['linkedinbot'],
+            'Slackbot' => ['slackbot'],
+            'Discordbot' => ['discordbot'],
+            'TelegramBot' => ['telegrambot'],
+            'WhatsApp' => ['whatsapp'],
+            'Pinterestbot' => ['pinterestbot'],
+        ])) {
+            return $this->bot('social_bot', $family);
+        }
+
+        if ($family = $this->matchFamily($normalized, [
+            'UptimeRobot' => ['uptimerobot'],
+            'Pingdom' => ['pingdom'],
+            'StatusCake' => ['statuscake'],
+            'Better Stack' => ['better stack', 'betterstack'],
+            'BetterUptime' => ['betteruptime'],
+        ])) {
+            return $this->bot('monitoring_bot', $family);
+        }
+
+        if (strlen($userAgent) < 8) {
+            return $this->bot('suspicious_bot', 'Short UA');
+        }
+
+        if ($this->containsAny($normalized, ['bot', 'crawler', 'spider', 'crawl', 'preview'])) {
+            return $this->bot('unknown_bot', 'Unknown crawler');
+        }
+
+        return [
+            'is_bot' => false,
+            'type' => null,
+            'family' => null,
+        ];
+    }
+
+    /**
+     * @param array<string, array<int, string>> $families
+     */
+    private function matchFamily(string $normalizedUserAgent, array $families): ?string
+    {
+        foreach ($families as $family => $keywords) {
+            if ($this->containsAny($normalizedUserAgent, $keywords)) {
+                return $family;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @param array<int, string> $keywords
+     */
+    private function containsAny(string $haystack, array $keywords): bool
+    {
+        foreach ($keywords as $keyword) {
+            if ($keyword !== '' && str_contains($haystack, $keyword)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * @return array{is_bot: bool, type: string, family: string}
+     */
+    private function bot(string $type, string $family): array
+    {
+        return [
+            'is_bot' => true,
+            'type' => $type,
+            'family' => $family,
+        ];
+    }
+}