ability to configure whether local IP is used as part of file/folder hash

Author: arukompas

config/log-viewer.php

@@ -292,6 +292,19 @@
 
     ],
 
+    /*
+    |--------------------------------------------------------------------------
+    | Exclude IP from identifiers
+    |--------------------------------------------------------------------------
+    | By default, file and folder identifiers include the server's IP address
+    | to ensure uniqueness. In load-balanced environments with shared storage,
+    | this can cause "No results" errors. Set to true to exclude IP addresses
+    | from identifier generation for consistent results across servers.
+    |
+    */
+
+    'exclude_ip_from_identifiers' => env('LOG_VIEWER_EXCLUDE_IP_FROM_IDENTIFIERS', false),
+
     /*
     |--------------------------------------------------------------------------
     | Root folder prefix

src/LogFile.php

@@ -29,7 +29,13 @@ public function __construct(string $path, ?string $type = null, ?string $pathAli
     {
         $this->path = $path;
         $this->name = basename($path);
-        $this->identifier = Utils::shortMd5(Utils::getLocalIP().':'.$path).'-'.$this->name;
+
+        if (config('log-viewer.exclude_ip_from_identifiers', false)) {
+            $this->identifier = Utils::shortMd5($path).'-'.$this->name;
+        } else {
+            $this->identifier = Utils::shortMd5(Utils::getLocalIP().':'.$path).'-'.$this->name;
+        }
+
         $this->type = $type;
         $this->displayPath = empty($pathAlias)
             ? $path
@@ -102,7 +108,11 @@ public function sizeFormatted(): string
 
     public function subFolderIdentifier(): string
     {
-        return Utils::shortMd5(Utils::getLocalIP().':'.$this->subFolder);
+        if (config('log-viewer.exclude_ip_from_identifiers', false)) {
+            return Utils::shortMd5($this->subFolder);
+        } else {
+            return Utils::shortMd5(Utils::getLocalIP().':'.$this->subFolder);
+        }
     }
 
     public function downloadUrl(): string

src/LogFolder.php

@@ -17,7 +17,12 @@ public function __construct(
         public string $path,
         mixed $files,
     ) {
-        $this->identifier = Utils::shortMd5(Utils::getLocalIP().':'.$path);
+        if (config('log-viewer.exclude_ip_from_identifiers', false)) {
+            $this->identifier = Utils::shortMd5($path);
+        } else {
+            $this->identifier = Utils::shortMd5(Utils::getLocalIP().':'.$path);
+        }
+
         $this->files = new LogFileCollection($files);
     }
 

tests/Unit/LogFileTest.php

@@ -39,3 +39,24 @@
         Utils::shortMd5($serverIp.':'.$logFile->subFolder)
     );
 });
+
+test('log file identifier excludes IP when config is enabled', function () {
+    $path = storage_path('logs/laravel.log');
+    file_put_contents($path, str_repeat('0', 10));  // 10 bytes
+    // Set the cached local IP to a known value:
+    Utils::setCachedLocalIP($serverIp = '123.123.123.123');
+
+    // Enable the config to exclude IP from identifiers
+    config(['log-viewer.exclude_ip_from_identifiers' => true]);
+
+    $logFile = new LogFile($path);
+
+    expect($logFile->identifier)->toBe(
+        Utils::shortMd5($path).'-laravel.log'
+    )->and($logFile->subFolderIdentifier())->toBe(
+        Utils::shortMd5($logFile->subFolder)
+    );
+
+    // Reset config for other tests
+    config(['log-viewer.exclude_ip_from_identifiers' => false]);
+});

tests/Unit/LogFolderTest.php

@@ -34,3 +34,20 @@
         Utils::shortMd5($serverIp.':'.$folder->path)
     );
 });
+
+test('log folder identifier excludes IP when config is enabled', function () {
+    // Set the cached local IP to a known value:
+    Utils::setCachedLocalIP($serverIp = '123.123.123.123');
+
+    // Enable the config to exclude IP from identifiers
+    config(['log-viewer.exclude_ip_from_identifiers' => true]);
+
+    $folder = new LogFolder('folder', []);
+
+    expect($folder->identifier)->toBe(
+        Utils::shortMd5($folder->path)
+    );
+
+    // Reset config for other tests
+    config(['log-viewer.exclude_ip_from_identifiers' => false]);
+});