Refactor API structure: update internal handling, enhance input retrieval, and improve template loading

api/api.php

@@ -6,13 +6,17 @@ if ($debug) {
     ini_set("display_startup_errors", 1);
     error_reporting(E_ALL);
 }
+
+debug_print_backtrace();
 // API Main Library
 class gbAPI {
     public $username;
+    public $input;
 
     private $db;
     private $config;
     private $internal;
+    private $response;
 
     private function b64url_encode($data) {
         return rtrim(strtr(base64_encode($data), "+/", "-_"), "=");
@@ -23,10 +27,13 @@ class gbAPI {
     }
 
     function __construct($authRequired, $internal) {
-        define("APP_PATH", __DIR__ . "/../");
+        if (!defined("APP_PATH")) {
+            define("APP_PATH", __DIR__ . "/../");
+        }    
+    
         $this->internal = $internal;
 
-        if ($authRequired) {
+        if ($authRequired && !$internal) {
             if (!$this->checkAuth()) {
                 $status = 401;
                 $data = [
@@ -39,6 +46,27 @@ class gbAPI {
         }
     }
 
+    function getInput() {
+        if (isset($this->input)) {
+            return $this->input;
+        }elseif ($_SERVER["REQUEST_METHOD"] == "POST") {
+            try {
+                $input = json_decode(file_get_contents("php://input"), true);
+            } catch (JsonException $error) {
+                $this->answer(400, [
+                    "error" => "invalid_body",
+                    "error_text" => "Can not read request body: " . $error
+                ]);
+            }
+            return $input;
+        }else{
+            $this->answer(400, [
+                "error" => "false_request_method",
+                "error_text" => "Only POST allowed"
+            ], true);
+        }
+    }
+
     function getConfig() {
         if (isset($this->config)) {
             return $config;
@@ -136,27 +164,49 @@ class gbAPI {
     }
 
     function answer($status, $data = [], $error = false) {
-        http_response_code($status);
-        header("Content-Type: application/json; charset=UTF-8");
-
-
         if ($error) {
-            $json = [];
+            $return = [];
 
-            $json["status"] = $status;
+            $return["status"] = $status;
 
             foreach ($data as $key => $value) {
-                $json[$key] = $value;
+                $return[$key] = $value;
             }
         }else{
-            $json = [
+            $return = [
                 "status" => $status,
                 "data" => $data
             ];
         }
+        
+        // Check if request is internal or external
+        if ($this->internal) {
+            $this->response = $return;
+        }else{
+            http_response_code($status);
+            header("Content-Type: application/json; charset=UTF-8");
 
-        $return = json_encode($json);
-        die($return);
+            $return = json_encode($return);
+            die($return);
+        }
+    }
+
+    function getAnswer() {
+        if (!isset($this->response)) {
+            $error = [
+                "status" => 500,
+                "error" => "empty_return",
+                "error_text" => "API Returned nothing."
+            ];
+
+            return $error;
+        }
+
+        return $this->response;
+    }
+
+    function getResponse() {
+        return $this->response;
     }
 
     function dbCommand($command, $expectResult, $stmtArgsRequired = false, $stmtArgs = []) {
@@ -192,6 +242,7 @@ class gbAPI {
         $command = "SELECT name, value FROM settings WHERE name = :name";
 
         $value = $this->dbCommand($command, true, true, [":name" => $key]);
-        return $value;
+
+        return $value[0]["value"];
     }
 }