Build "static-file-cdn" into core

app/Http/Controllers/AdminController.php

@@ -7,6 +7,7 @@ use Carbon\Carbon;
 use App\Models\User;
 use App\Models\Player;
 use App\Models\Texture;
+use Illuminate\Support\Str;
 use App\Services\OptionForm;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
@@ -218,7 +219,23 @@ class AdminController extends Controller
             $form->checkbox('return_204_when_notfound')->label()->description();
 
             $form->text('cache_expire_time')->hint(OptionForm::AUTO_DETECT);
-        })->type('warning')->hint(OptionForm::AUTO_DETECT)->handle();
+            $form->text('cdn_address')
+                ->hint(OptionForm::AUTO_DETECT)
+                ->description(OptionForm::AUTO_DETECT);
+        })
+            ->type('warning')
+            ->hint(OptionForm::AUTO_DETECT)
+            ->after(function () {
+                $cdnAddress = request('cdn_address');
+                if ($cdnAddress == null) {
+                    $cdnAddress = '';
+                }
+                if (Str::endsWith($cdnAddress, '/')) {
+                    $cdnAddress = substr($cdnAddress, 0, -1);
+                }
+                Option::set('cdn_address', $cdnAddress);
+            })
+            ->handle();
 
         return view('admin.options')->with('forms', compact('general', 'resources', 'announ'));
     }

app/helpers.php

@@ -52,7 +52,8 @@ if (! function_exists('webpack_assets')) {
         if (app()->environment('development')) {
             return "http://127.0.0.1:8080/public/$relativeUri";
         } else {
-            return url("app/$relativeUri");
+            $cdn = option('cdn_address');
+            return $cdn ? "$cdn/app/$relativeUri" : url("app/$relativeUri");
         }
     }
 }

resources/lang/en/options.yml

@@ -143,13 +143,10 @@ resources:
   cache_expire_time:
     title: Cache Exipre Time
     hint: In seconds, 86400 = one day, 31536000 = one year.
-
-update:
-  title: Check Update
-
-  check_update:
-    title: Check Update
-    label: Check available updates automatically and notify me.
-  update_source:
-    title: Update Source
-    description: 'Available update source list can be found at: <a href="https://github.com/printempw/blessing-skin-server/wiki/%E6%9B%B4%E6%96%B0%E6%BA%90%E5%88%97%E8%A1%A8">@GitHub Wiki</a>.'
+  cdn_address:
+    title: Front-end Assets CDN
+    hint: Front-end files won't be loaded if URL is unavailable.
+    description: |
+      The CDN URL you give must refer to a mirror of <code>/public</code> directory,
+      all the files of that directory will be loaded as CDN.<br>
+      <b>How to verify?</b> Verify if <code>{Your CDN URL}/app/index.js</code> can be accessed.

resources/lang/zh_CN/options.yml

@@ -143,3 +143,9 @@ resources:
   cache_expire_time:
     title: 缓存失效时间
     hint: 秒数，86400 = 一天，31536000 = 一年
+  cdn_address:
+    title: 前端资源文件 CDN
+    hint: 如果地址不对将导致前端文件无法加载
+    description: |
+      填写的 CDN 地址必须是 <code>/public</code> 目录的镜像，此目录下的所有文件都将会从 CDN 加载。<br>
+      <b>测试方法</b>：检查 <code>{填写的地址}/app/index.js</code> 是否能够访问。

tests/AdminControllerTest.php

@@ -137,11 +137,18 @@ class AdminControllerTest extends BrowserKitTestCase
             ->uncheck('auto_detect_asset_url')
             ->check('return_204_when_notfound')
             ->type('0', 'cache_expire_time')
+            ->type('url/', 'cdn_address')
             ->press('submit_resources');
         $this->assertTrue(option('force_ssl'));
         $this->assertFalse(option('auto_detect_asset_url'));
         $this->assertTrue(option('return_204_when_notfound'));
         $this->assertEquals('0', option('cache_expire_time'));
+        $this->visit('/')->see('url/app/index.js');
+
+        $this->visit('/admin/options')
+            ->type('', 'cdn_address')
+            ->press('submit_resources');
+        $this->visit('/')->dontSee('url/app/index.js');
     }
 
     public function testUsers()