Dynamic subdomain routing
Submitted by jaketoolson - 10 years ago
On many occasions, I use the subdomain to generate dynamic routes and a custom user experience. The current Laravel subdomain filter, requires a lot of extra work when generating routes. Each time you generate a route, using the laravel route() helper, you have to pass the subdomain as the first parameter. This provides an alternative method without having to pass the subdomain to route(). https://github.com/laravel/laravel/issues/2515 for additional follow-up
// Sample route, with a "before" filter called "domain_access"
Route::group(array('before' => 'domain_access'), function() {
// routes
Route::get('test', ['as' => 'test.index', 'uses' => 'TestController@index']);
});
// The acutal filter method called "domain_access"
Route::filter('domain_access', function(){
// Checks subdomain is valid and exists in DB.
$validProgram = \My\Models\Programs::check();
if( ! $validProgram)
{
return Redirect::to('/');
}
});
// The method within the filter called 'check'
// Returns Bool/Object
public static function check()
{
$server = explode('.', Request::server('HTTP_HOST'));
$subdomain = $server[0];
$needsLookup = true;
// Does a cached index already exist?
if(Cache::has('user'))
{
$program = Cache::get('');
// Compare the cached program against the subdomain.
if($subdomain == $program)
{
$needsLookup = false;
return $program;
}
}
// Do I need to go and lookup the subdomain and confirm it's valid?
if ($needsLookup )
{
Cache::forget('program');
$program = static::lookupUsing('alias', $subdomain);
if( ! $program)
{
return false;
}
else
{
Cache::put('program', $program, Config::get('session.lifetime'));
return $program;
}
}
}
// Generate route, subdomain does not need to be passed
<a href="{{ route('test.index')}}"></a>
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