diff --git a/caxton b/caxton
index 8cfca9d..635abc8 100755
--- a/caxton
+++ b/caxton
@@ -62,6 +62,7 @@ $middlewares = [
     Middleware\ScanFiles::class,
     Middleware\CopyStaticFiles::class,
     Middleware\BuildContentFiles::class,
+    Middleware\GenerateSiteMap::class,
 ];
 
 $action = fn (Site $site): Site => $site;
diff --git a/src/File.php b/src/File.php
new file mode 100644
index 0000000..8606517
--- /dev/null
+++ b/src/File.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace SavvyWombat\Caxton;
+
+use Illuminate\Support\Carbon;
+
+class File
+{
+    public function __construct(
+        protected string $sourcePath,
+        protected string $outputPath,
+        protected ?array $data = [],
+    ) {
+        $this->extensions = str_replace('.', '\.', Config::instance()->get('blade.extensions'));
+    }
+
+    public function sourcePath(): string
+    {
+        return $this->sourcePath;
+    }
+
+    public function outputPath(): string
+    {
+        foreach (Site::instance()->maps() as $map) {
+            if (str_starts_with($this->outputPath, $map['path'])) {
+                return str_replace($map['path'], $map['url'], $this->outputPath);
+            }
+        }
+
+        return $this->outputPath;
+    }
+
+    public function url(): string
+    {
+        foreach (Site::instance()->maps() as $map) {
+            if (str_starts_with($this->outputPath, $map['path'])) {
+                return str_replace($map['path'], $map['url'], $this->outputPath);
+            }
+        }
+
+        return $this->outputPath;
+    }
+
+    public function fullUrl(): string
+    {
+        return Config::instance()->get('base_url') . '/' . $this->url();
+    }
+
+    public function data(): array
+    {
+        return $this->data;
+    }
+
+    public function type(): string
+    {
+        return mime_content_type(Config::instance()->get('paths.output') . '/' . $this->outputPath());
+    }
+
+    public function lastModified(): ?Carbon
+    {
+        return Carbon::createFromTimestamp(filemtime(Config::instance()->get('paths.output') . '/' . $this->outputPath()));
+    }
+}
\ No newline at end of file
diff --git a/src/Middleware/BuildContentFiles.php b/src/Middleware/BuildContentFiles.php
index 28426f9..3e19c0b 100644
--- a/src/Middleware/BuildContentFiles.php
+++ b/src/Middleware/BuildContentFiles.php
@@ -6,7 +6,7 @@
 use SavvyWombat\Caxton\Config;
 use SavvyWombat\Caxton\Markdown\MarkdownConverter;
 use SavvyWombat\Caxton\Site;
-use SavvyWombat\Caxton\SourceFile;
+use SavvyWombat\Caxton\File;
 
 class BuildContentFiles implements Middleware
 {
@@ -29,7 +29,7 @@ public function run(Site $site, callable $next): Site
         return $next($site);
     }
 
-    protected function buildFromTemplate(SourceFile $sourceFile, string $outputPath)
+    protected function buildFromTemplate(File $sourceFile, string $outputPath)
     {
         $extensions = str_replace('.', '\.', Config::instance()->get('blade.extensions'));
 
diff --git a/src/Middleware/GenerateSiteMap.php b/src/Middleware/GenerateSiteMap.php
index e4d0d5e..1e21690 100644
--- a/src/Middleware/GenerateSiteMap.php
+++ b/src/Middleware/GenerateSiteMap.php
@@ -5,7 +5,7 @@
 use SavvyWombat\Caxton\Blade\ViewFactory;
 use SavvyWombat\Caxton\Config;
 use SavvyWombat\Caxton\File;
-use SavvyWombat\Caxton\FileList;
+use SavvyWombat\Caxton\Site;
 
 /**
  * Builds a sitemap file to assist search engine discovery.
@@ -14,19 +14,19 @@
  */
 class GenerateSiteMap implements Middleware
 {
-    public function run (FileList $files, $next): FileList
+    public function run (Site $site, $next): Site
     {
         $sitemap = ViewFactory::instance()->make(
             'sitemap',
             [
-                'files' => $files,
+                'files' => $site->sourceFiles(),
             ]
         )->render();
 
         file_put_contents(Config::instance()->get('paths.output') . '/sitemap.xml', $sitemap);
 
-        $files->add(new File('/sitemap.xml'));
+        $site->addFile(new File('/sitemap.xml', '/sitemap.xml'));
 
-        return $next($files);
+        return $next($site);
     }
 }
diff --git a/src/Middleware/ScanFiles.php b/src/Middleware/ScanFiles.php
index 989b6a6..85e29ee 100644
--- a/src/Middleware/ScanFiles.php
+++ b/src/Middleware/ScanFiles.php
@@ -6,7 +6,7 @@
 use SavvyWombat\Caxton\ContentFileFilter;
 use SavvyWombat\Caxton\Markdown\MarkdownConverter;
 use SavvyWombat\Caxton\Site;
-use SavvyWombat\Caxton\SourceFile;
+use SavvyWombat\Caxton\File;
 
 class ScanFiles implements Middleware
 {
@@ -48,7 +48,7 @@ protected function scanPublicFiles(): void
                 );
 
                 $this->site->addFile(
-                    new SourceFile($sourcePath, $outputPath)
+                    new File($sourcePath, $outputPath)
                 );
             }
         }
@@ -91,7 +91,7 @@ protected function scanContentFiles(): void
                 }
 
                 $this->site->addFile(
-                    new SourceFile($sourcePath, $outputPath, $data)
+                    new File($sourcePath, $outputPath, $data)
                 );
             }
         }
diff --git a/src/Site.php b/src/Site.php
index 9eccd01..ccc4279 100644
--- a/src/Site.php
+++ b/src/Site.php
@@ -18,7 +18,7 @@ public static function instance(): Site
         return self::$instance;
     }
 
-    public function addFile(SourceFile $file): void
+    public function addFile(File $file): void
     {
         $this->sourceFiles[] = $file;
     }
diff --git a/src/SourceFile.php b/src/SourceFile.php
deleted file mode 100644
index 99031f7..0000000
--- a/src/SourceFile.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-namespace SavvyWombat\Caxton;
-
-class SourceFile
-{
-    public function __construct(
-        protected string $sourcePath,
-        protected string $outputPath,
-        protected ?array $data = [],
-    ) {
-    }
-
-    public function sourcePath(): string
-    {
-        return $this->sourcePath;
-    }
-
-    public function outputPath(): string
-    {
-        foreach (Site::instance()->maps() as $map) {
-            if (str_starts_with($this->outputPath, $map['path'])) {
-                return str_replace($map['path'], $map['url'], $this->outputPath);
-            }
-        }
-
-        return $this->outputPath;
-    }
-
-    public function data(): array
-    {
-        return $this->data;
-    }
-}
\ No newline at end of file