Provide basePath support

To be able to serve the application via a reverse proxy in a subfolder
smarty needs to be aware of the basepath if any.

classes/Config.php

@@ -133,6 +133,22 @@ class Config
      */
     public $debug = false;
 
+
+    /**
+     * Forward port.
+     *
+     * @var int
+     */
+    public $forwardPort = 443;
+
+    /**
+     * Base Path.
+     * *Must* start with a '/' and *not* end with one.
+     *
+     * @var string
+     */
+    public $basePath = '';
+
     /**
      * Default to audio.
      *
@@ -320,4 +336,14 @@ class Config
 
         return $version->getPrettyVersion();
     }
+
+    /**
+    * Return the configured base_path usable in smarty.
+    *
+    * @return string
+    */
+    public function getBasePath($params, $smarty)
+    {
+        return $this->basePath;
+    }
 }

classes/ViewFactory.php

@@ -33,8 +33,14 @@ class ViewFactory
         }
 
         $view = new Smarty(__DIR__ . '/../templates/');
+
+        /** @var Config $config */
+        $config = $container->get('config');
+        $scheme = 'http';
         if (in_array('https', $request->getHeader('X-Forwarded-Proto'))) {
-            $request = $request->withUri($request->getUri()->withScheme('https')->withPort(443));
+            $scheme = 'https';
+            $forwardPort = $config->forwardPort;
+            $request = $request->withUri($request->getUri()->withScheme($scheme)->withPort($forwardPort));
         }
 
         /** @var LocaleManager $localeManager */
@@ -43,6 +49,7 @@ class ViewFactory
         $smartyPlugins = new SmartyPlugins($container->get('router'), $request->getUri()->withUserInfo(null));
         $view->registerPlugin('function', 'path_for', [$smartyPlugins, 'pathFor']);
         $view->registerPlugin('function', 'base_url', [$smartyPlugins, 'baseUrl']);
+        $view->registerPlugin('function', 'base_path', [$config, 'getBasePath']);
         $view->registerPlugin('block', 't', [$localeManager, 'smartyTranslate']);
 
         return $view;

index.php

@@ -30,8 +30,11 @@ try {
 
     // Locales.
     $container['locale'] = LocaleManagerFactory::create();
+
     $app->add(new LocaleMiddleware($container));
 
+$container['config'] = $config;
+
     // Smarty.
     $container['view'] = ViewFactory::create($container);
 
@@ -51,37 +54,37 @@ try {
 
     // Routes.
     $app->get(
-        '/',
+    $config->basePath . '/',
         [$frontController, 'index']
     )->setName('index');
 
     $app->get(
-        '/extractors',
+    $config->basePath . '/extractors',
         [$frontController, 'extractors']
     )->setName('extractors');
 
     $app->any(
-        '/info',
+    $config->basePath . '/info',
         [$frontController, 'info']
     )->setName('info');
 
     $app->any(
-        '/watch',
+    $config->basePath . '/watch',
         [$frontController, 'info']
     );
 
     $app->any(
-        '/download',
+    $config->basePath . '/download',
         [$downloadController, 'download']
     )->setName('download');
 
     $app->get(
-        '/locale/{locale}',
+    $config->basePath . '/locale/{locale}',
         [$frontController, 'locale']
     )->setName('locale');
 
     $app->get(
-        '/json',
+    $config->basePath . '/json',
         [$jsonController, 'json']
     )->setName('json');
 

templates/inc/head.tpl

@@ -8,19 +8,19 @@
         <meta name="twitter:description" content="{$description|escape}"/>
         <meta property="og:description" content="{$description|escape}"/>
     {/if}
-    <link rel="stylesheet" href="{base_url}/vendor/webfontkit/open-sans/open-sans.css"/>
-    <link rel="stylesheet" href="{base_url}/css/style.css"/>
+    <link rel="stylesheet" href="{base_url}{base_path}/css/fonts.css"/>
+    <link rel="stylesheet" href="{base_url}{base_path}/css/style.css"/>
     <title>{$config->appName}{if isset($title)} - {$title|escape}{/if}</title>
     <link rel="canonical" href="{$canonical}"/>
-    <link rel="icon" href="{base_url}/img/favicon.png"/>
+    <link rel="icon" href="{base_url}{base_path}/img/favicon.png"/>
     <meta property="og:title" content="{$config->appName}{if isset($title)} - {$title|escape}{/if}"/>
-    <meta property="og:image" content="{base_url}/img/logo.png"/>
+    <meta property="og:image" content="{base_url}{base_path}/img/logo.png"/>
     <meta name="twitter:card" content="summary"/>
     <meta name="twitter:title" content="{$config->appName}{if isset($title)} - {$title|escape}{/if}"/>
-    <meta name="twitter:image" content="{base_url}/img/logo.png"/>
+    <meta name="twitter:image" content="{base_url}{base_path}/img/logo.png"/>
     <meta name="twitter:creator" content="@Tael67"/>
     <meta name="theme-color" content="#4F4F4F"/>
-    <link rel="manifest" href="{base_url}/resources/manifest.json"/>
+    <link rel="manifest" href="{base_url}{base_path}/resources/manifest.json"/>
     <meta name="generator" content="AllTube Download ({$config->getAppVersion()})"/>
 </head>
 <body class="{$class}">

templates/inc/logo.tpl

@@ -1,5 +1,5 @@
 <h1 class="logobis">
-    <a class="logocompatible" href="{base_url}">
-        <span class="logocompatiblemask"><img src="{base_url}/img/logocompatiblemask.png" width="447" height="107"
+    <a class="logocompatible" href="{base_url}{base_path}">
+        <span class="logocompatiblemask"><img src="{base_url}{base_path}/img/logocompatiblemask.png" width="447" height="107"
                                               alt="{$config->appName}"/></span>
     </a></h1>

templates/index.tpl

@@ -1,7 +1,7 @@
 {include file='inc/head.tpl'}
 {include file='inc/header.tpl'}
 <main class="main">
-    <div><img class="logo" src="{base_url}/img/logo.png"
+    <div><img class="logo" src="{base_url}{base_path}/img/logo.png"
               alt="{$config->appName}" width="328" height="284"></div>
     <form action="{path_for name="info"}">
         <label class="labelurl" for="url">

tests/ConfigTest.php

@@ -40,6 +40,7 @@ class ConfigTest extends BaseTest
         $this->assertIsString($config->youtubedl);
         $this->assertIsString($config->python);
         $this->assertIsString($config->ffmpeg);
+        $this->assertIsString($config->basePath);
         $this->assertIsBool($config->convert);
         $this->assertIsBool($config->uglyUrls);
         $this->assertIsBool($config->stream);
@@ -47,6 +48,7 @@ class ConfigTest extends BaseTest
         $this->assertIsBool($config->defaultAudio);
         $this->assertIsBool($config->convertSeek);
         $this->assertIsInt($config->audioBitrate);
+        $this->assertIsInt($config->forwardPort);
     }
 
     /**
@@ -122,4 +124,16 @@ class ConfigTest extends BaseTest
         $this->assertEquals(true, $config->convert);
         putenv('CONVERT');
     }
+
+    /**
+     * Test the getBasePath function.
+     *
+     * @return void
+     */
+    public function testGetBasePath()
+    {
+        Config::setOptions(['basePath' => '/foo']);
+        $config = Config::getInstance();
+        $this->assertEquals('/foo', $config->getBasePath(null, null));
+    }
 }