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MyObsidianVault/Knowledgebase/WebDev/2 CodeIgniter/API Project setup/04a.) Enable CORS.md

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+https://codeigniter.com/user_guide/libraries/cors.html
+
+app/Config/Filters.php
+```php
+public array $filters = [
+    // ...
+    'cors' => [
+        'before' => ['api/*'],
+        'after' => ['api/*'],
+    ],
+];
+
+```
+
+app/Config/Routes.php
+```php
+// API routes (put below service('auth'))
+
+// For Cors preflight check
+$routes->group('', ['filter' => 'cors'], static function (RouteCollection $routes) {
+$routes->options('api/(:any)', static function () {});
+});
+
+
+
+
+$routes->group("api", ["filter" => "cors", "namespace" => "App\Controllers\Api"], function($routes) {
+$routes->post("register", "AuthController::register");
+$routes->post("login", "AuthController::login", ["filter"=>"cors"]);
+$routes->get("profile", "AuthController::profile");
+$routes->get("logout", "AuthController::logout", ["filter"=>"apiauth"]);
+ 
+$routes->get("invalid-access", "AuthController::accessDenied");
+   
+$routes->get("test2" , "AuthController::test2");
+  
+# WORKS
+$routes->get("test" , "TestController::test");
+//$routes->post("add-project", "ProjectController::addProject");
+//$routes->get("list-projects", "ProjectController::listProjects");
+//$routes->delete("delete-project/(:num)", "ProjectController::deleteProject/$1");
+});
+```
+
+app/Config/Cors.php
+```php
+
+	'allowedOrigins' => ['*'],
+	'allowedOriginsPatterns' => ['http://.*','https://.*'],
+	'allowedMethods' => ['GET', 'POST', 'PUT', 'DELETE'],
+	'allowedHeaders' => ['*'],
+	'maxAge' => 7200,
+
+```