Fixed 404 error when installing

#313

https://www.youtube.com/watch?v=VJpZMZOBeB0

Author: JulianPrieber

app/Http/Controllers/InstallerController.php

@@ -53,6 +53,11 @@ public function createAdmin(request $request)
         $handle = $request->handle;
         $name = $request->name;
 
+        $file = base_path('INSTALLERLOCK');
+        if (!file_exists($file)) {
+            $handle = fopen($file, 'w') or die('Cannot create file:  '.$file);
+            fclose($handle);
+        }
 
         if(DB::table('users')->count() == '0'){
         Schema::disableForeignKeyConstraints();
@@ -137,6 +142,12 @@ public function options(request $request)
 
         if(file_exists(base_path("INSTALLING"))){unlink(base_path("INSTALLING"));}
 
+        $file = base_path('INSTALLERLOCK');
+        if (file_exists($file)) {
+            unlink($file) or die('Cannot delete file: '.$file);
+            sleep(1);
+        }
+
         return redirect(url(''));
     }
 

routes/web.php

@@ -42,7 +42,7 @@
 
   Route::get('{any}', function() {
     if(!DB::table('users')->get()->isEmpty()){
-    if(file_exists(base_path("INSTALLING"))){unlink(base_path("INSTALLING"));header("Refresh:0");}
+    if(file_exists(base_path("INSTALLING")) and !file_exists(base_path('INSTALLERLOCK'))){unlink(base_path("INSTALLING"));header("Refresh:0");}
     } else {
       return redirect(url(''));
     }