add system log viewer

2026-02-28 19:59:03 +01:00
parent 7b777b0f27
commit a90f34aefb
5 changed files with 230 additions and 3 deletions
--- a/src/Controller/Admin/AdminSystemLogController.php
+++ b/src/Controller/Admin/AdminSystemLogController.php
@@ -0,0 +1,101 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Admin;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+
+#[Route('/admin/system-logs')]
+final class AdminSystemLogController extends AbstractController
+{
+    private string $logDir;
+
+    public function __construct()
+    {
+        $this->logDir = \dirname(__DIR__, 3) . '/var/log';
+    }
+
+    #[Route('', name: 'admin_system_logs_index')]
+    public function index(): Response
+    {
+        $this->denyAccessUnlessGranted('ROLE_SUPER_ADMIN');
+
+        $files = [];
+
+        foreach (\glob($this->logDir . '/system*.log') ?: [] as $file) {
+            $files[] = [
+                'name' => \basename($file),
+                'size' => \filesize($file),
+                'mtime' => \filemtime($file),
+            ];
+        }
+
+        \usort($files, fn($a, $b) => $b['mtime'] <=> $a['mtime']);
+
+        return $this->render('admin/system_logs/index.html.twig', [
+            'files' => $files,
+        ]);
+    }
+
+    #[Route(
+        '/view/{date}',
+        name: 'admin_system_logs_view',
+        requirements: ['date' => '\d{4}-\d{2}-\d{2}|current']
+    )]
+    public function view(string $date): Response
+    {
+        $this->denyAccessUnlessGranted('ROLE_SUPER_ADMIN');
+
+        if ($date === 'current') {
+            $safeFilename = 'system.log';
+        } else {
+            $safeFilename = 'system-' . $date . '.log';
+        }
+
+        $path = $this->logDir . '/' . $safeFilename;
+
+        if (!\file_exists($path)) {
+            throw $this->createNotFoundException('Log file not found.');
+        }
+
+        $content = $this->readLastLines($path, 1000);
+
+        return $this->render('admin/system_logs/view.html.twig', [
+            'filename' => $safeFilename,
+            'content'  => $content,
+        ]);
+    }
+
+    private function readLastLines(string $file, int $lines = 1000): string
+    {
+        $handle = \fopen($file, 'rb');
+        if (!$handle) {
+            return 'Unable to open log file.';
+        }
+
+        $buffer = '';
+        $chunkSize = 4096;
+        $lineCount = 0;
+        $pos = -1;
+
+        \fseek($handle, 0, SEEK_END);
+        $fileSize = \ftell($handle);
+
+        while ($lineCount < $lines && -$pos < $fileSize) {
+            $step = \min($chunkSize, $fileSize + $pos);
+            \fseek($handle, $pos - $step, SEEK_END);
+            $chunk = \fread($handle, $step);
+            $buffer = $chunk . $buffer;
+            $lineCount += \substr_count($chunk, "\n");
+            $pos -= $step;
+        }
+
+        \fclose($handle);
+
+        $linesArray = \explode("\n", $buffer);
+        return \implode("\n", \array_slice($linesArray, -$lines));
+    }
+}