How to Hide Frontend and Backend Paths in Yii2 with .htaccess?

Hiding Frontend and Backend Paths with .htaccess in Yii2

Problem:

When accessing the frontend or backend of a Yii2 application, the paths "frontend/web" and "backend/web" are visible in URLs, which can be undesired. This article provides a solution to completely hide these paths.

Solution:

Step 1: .htaccess in Root Folder

Create a .htaccess file in the root folder (advanced/) with the following content:

Options +FollowSymlinks
RewriteEngine On

# Admin
RewriteCond %{REQUEST_URI} ^/(admin)
RewriteRule ^admin/assets/(.*)$ backend/web/assets/ [L]
RewriteRule ^admin/css/(.*)$ backend/web/css/ [L]

RewriteCond %{REQUEST_URI} !^/backend/web/(assets|css)/
RewriteCond %{REQUEST_URI} ^/(admin)
RewriteRule ^.*$ backend/web/index.php [L]

# Frontend
RewriteCond %{REQUEST_URI} ^/(assets|css)
RewriteRule ^assets/(.*)$ frontend/web/assets/ [L]
RewriteRule ^css/(.*)$ frontend/web/css/ [L]
RewriteRule ^js/(.*)$ frontend/web/js/ [L]
RewriteRule ^images/(.*)$ frontend/web/images/ [L]

RewriteCond %{REQUEST_URI} !^/(frontend|backend)/web/(assets|css)/
RewriteCond %{REQUEST_URI} !index.php
RewriteCond %{REQUEST_FILENAME} !-f [OR]
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^.*$ frontend/web/index.php

Step 2: components/Request.php

Create components/Request.php in the common directory and add the following code:

<code class="php">namespace common\components;

class Request extends \yii\web\Request {
    public $web;
    public $adminUrl;

    public function getBaseUrl(){
        return str_replace($this->web, "", parent::getBaseUrl()) . $this->adminUrl;
    }

    public function resolvePathInfo(){
        if($this->getUrl() === $this->adminUrl){
            return "";
        }else{
            return parent::resolvePathInfo();
        }
    }
}</code>

Step 3: Frontend and Backend Main Configuration

In frontend/config/main.php and backend/config/main.php, add the following under the components array:

<code class="php">'request' => [
    'class' => 'common\components\Request',
    'web' => '/frontend/web'
],

'urlManager' => [
    'enablePrettyUrl' => true,
    'showScriptName' => false,
],</code>

In backend/config/main.php, additionally set the adminUrl:

<code class="php">'request' => [
    'class' => 'common\components\Request',
    'web' => '/backend/web',
    'adminUrl' => '/admin'
],

'urlManager' => [
    'enablePrettyUrl' => true,
    'showScriptName' => false,
],</code>

Step 4 (Optional): .htaccess in Web Directories

Create a .htaccess file in both the frontend/web and backend/web directories with the following:

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ /index.php?/ [L]

Result:

After these changes, you should be able to access your frontend at http://localhost/yii2app/ and your backend at http://localhost/yii2app/admin/ without seeing the frontend or backend paths in the URLs.

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