rest-api.php

   1 <?php
   2
   3 // @see https://www.php.net/manual/en/session.configuration.php
   4 ini_set("session.use_cookies", 0);
   5 ini_set("session.use_only_cookies", 0);
   6 ini_set("session.use_trans_sid", 0);
   7 ini_set("session.cache_limiter", "");
   8 session_id('dummy-session-id');
   9 session_start();
  10
  11 // Response 'Content-Type' header
  12 header('Content-Type: application/json');
  13
  14 // Flag that tells if the 'Accept' header in the request is invalid
  15 $invalidAccept = '*/*' != $_SERVER['HTTP_ACCEPT'] && 'application/json' != $_SERVER['HTTP_ACCEPT'];
  16
  17 // Do not accept requests which 'Accept' header isn't one of the above
  18 if ($invalidAccept) {
  19     header('HTTP/1.1 406 Not Acceptable');
  20     exit;
  21 }
  22
  23 // Get request method and path
  24 $method = strtolower($_SERVER['REQUEST_METHOD']);
  25 $uri = parse_url($_SERVER['REQUEST_URI']);
  26 $path = trim(trim($uri['path']), '/');
  27
  28 // Default 'resource' and 'id' values
  29 $resource = 'root';
  30 $id = null;
  31
  32 // Get 'resource' and 'id' values
  33 if ($path) {
  34     $path = explode('/', $path);
  35     $resource = $path[0];
  36     if (!empty($path[1])) {
  37         $id = (int) $path[1];
  38     }
  39 }
  40
  41 // Default 'input' value
  42 $input = null;
  43
  44 // Get 'input' value
  45 if ('post' == $method || 'put' == $method) {
  46     $input = file_get_contents('php://input');
  47 }
  48
  49 // File name (convention) from where the logic will be loaded
  50 $fileName = strtolower("{$method}_{$resource}");
  51 $fileName.= $id ? '_id' : '';
  52 $fileName.= '.php';
  53
  54 // Function name (convention) that handles the request
  55 //
  56 // The function will receive the following parameters:
  57 //
  58 // * Parameter 1: int|null    $id    The item ID (if it's present)
  59 // * Parameter 2: string|null $input The input value (if it's present)
  60 $functionName = 'handle_request';
  61
  62 // Load and call the logic that handles the request
  63 if (is_readable($fileName)) {
  64     require_once($fileName);
  65     if (function_exists($functionName)) {
  66         $functionName($id, $input);
  67         exit;
  68     }
  69 }
  70
  71 // Default (404) response code
  72 header('HTTP/1.1 404 Not Found');