dx4 v2

backend-php/k-api.php

@@ -1,38 +1,54 @@
 <?php
 
 /** @param callable(_K_Api): void $apiFun */
-function CreateApi(callable $apiFun)
+function CreateApi(callable $apiFun, bool $devmode = false)
 {
     header("Access-Control-Allow-Origin: *");
-    header("Access-Control-Allow-Headers: Content-Type");
+    header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
+    header("Access-Control-Allow-Headers: Content-Type, Authorization");
+
+    if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
+        http_response_code(200);
+        exit;
+    }
 
     $api = new _K_Api();
+    $api->dev_mode = $devmode;
     $apiFun($api);
     $api->end();
 }
 class _K_Api
 {
     private $has_exec = false;
+    public $dev_mode = false;
     /** @param callable(_K_ApiRequest): string|array|int|float|bool $fun */
     public function on(string $route, string $method, callable $fun)
     {
         $request_url = (count($_GET) > 0 ? array_keys($_GET)[0] : '');
         $r = str_starts_with($route, '/') ? substr($route, 1) : $route;
+        if ($this->has_exec) return;
         if ($r != $request_url) {
             return;
         } else {
             $this->has_exec = true;
-            if ($_SERVER['REQUEST_METHOD'] != $method) {
+
+            $req_method = $_SERVER['REQUEST_METHOD'];
+            if ($req_method != $method) {
                 http_response_code(405);
-                die("ERROR: unsupported method ($method available)");
+                $_a = "";
+                if ($this->dev_mode)
+                    $_a = " -  using $req_method, available $method";
+                die("ERROR: Method Not Allowed" . $_a);
                 return;
             }
+
             $data = [];
             if ($method == 'GET' && count($_GET) > 1) {
                 $data = array_slice(array_keys($_GET), 1);
             } else if ($method == 'POST' && count($_POST) > 0) {
                 $data = $_POST;
             }
+
             $fun = $fun(new _K_ApiRequest($data));
             if (is_string($fun) || is_numeric($fun)) {
                 if (json_validate($fun) && !is_numeric($fun)) {
@@ -43,8 +59,17 @@ class _K_Api
                 Header('Content-Type: application/json');
                 echo json_encode($fun);
             } else {
-                die("ERROR: unknown return type");
+                http_response_code(500);
+                $_a = "Internal Server Error";
+                if ($this->dev_mode) {
+                    $_type = gettype($fun);
+                    $_a = "unknown return type ($_type), (available bool, array, numeric, string)";
+                }
+                die("ERROR: " . $_a);
+                return;
             }
+
+            return;
         }
     }
 
@@ -52,7 +77,7 @@ class _K_Api
     {
         if (!$this->has_exec) {
             http_response_code(404);
-            echo '404';
+            echo 'ERROR: Not Found';
         }
     }
 }