git.maemo.org Git - speedfreak/blob - Server/application/controllers/api.php

   1 <?php defined('SYSPATH') OR die('No direct access allowed.');
   2 /*
   3  * API controller for communicating with mobile clients
   4  *
   5  * @author      Artem Daniliants <artem@daniliants.com>
   6  * @copyright   (c) 2010 Speed Freak team
   7  * @license     http://opensource.org/licenses/gpl-license.php GNU Public License
   8  */
   9
  10 class Api_Controller extends Controller{
  11
  12         /*
  13          * Default action when no parameters are given to controller
  14          */
  15         public function index(){
  16         url::redirect(Kohana::config('api.default_redirect'),301);
  17     }
  18
  19     /*
  20      * New user registration
  21      */
  22     public function register(){
  23         $xml = $this->get_xml();
  24         try {
  25            $user = new User_Model($xml->login, $xml->password, $xml->email);
  26            echo "OK";
  27         }
  28         catch (Exception $e) {
  29             echo $e->getMessage() . "\n";
  30             die;
  31         }
  32     }
  33
  34     /*
  35      * Returns XML file supplied by client
  36      */
  37     private function get_xml(){
  38         if (isset($_POST['xml'])){
  39             $xml = simplexml_load_string($_POST['xml']);
  40         }
  41         elseif (isset($_FILES['xml'])){
  42             $xml = simplexml_load_file($_FILES['xml']['tmp_name']);
  43         }
  44         else{
  45             header("HTTP/1.1 400 Bad Request");
  46             echo "Please supply required parameters";
  47             die;
  48         }
  49         return $xml;
  50     }
  51
  52     /*
  53      * Check that supplied credentials are valid using basic authentication
  54      *
  55      */
  56     public function login(){
  57         if ($this->is_authorized()){
  58                   print "OK";
  59                   die;
  60         }
  61                 else
  62                   $this->not_authorized();
  63     }
  64
  65     /*
  66      * Validate supplied credentials
  67      */
  68     public function is_authorized(){
  69         if (isset($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW'])){
  70             $user = new User_Model();
  71             if ($user->login($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']))
  72                 return true;
  73             else
  74                 return false;
  75         }
  76         else
  77             return false;
  78
  79     }
  80
  81     /*
  82      * Display "You're not authorized error to client
  83      *
  84      * @todo Need to create function for generally displaying errors
  85      */
  86     public function not_authorized(){
  87         header('HTTP/1.0 401 Unauthorized');
  88         print "Invalid credentials or not registered";
  89         die;
  90     }
  91
  92     /*
  93      * Get categories list and output it as XML
  94      *
  95      */
  96     public function categories(){
  97         if ($this->is_authorized()){
  98                 $view = new View('api/categories');
  99                 $cat = new Category_Model();
 100                 $view->categories=$cat->get_all();
 101                 $view->render(true);
 102         }
 103         else
 104            $this->not_authorized();
 105     }
 106
 107     /*
 108      * Get results
 109      *
 110      */
 111     public function results($category, $limit){
 112         $results = New Result_Model();
 113         $cat = New Category_Model();
 114         if ($cat->category_exists($category) AND $this->is_authorized() AND isset($limit)){
 115                 $view = new View('api/results');
 116                 $view->results = $results->get_results($category, $limit);
 117                 $view->render(true);
 118             }
 119         else
 120             $this->not_authorized();
 121     }
 122
 123     /*
 124      * Submit results to selected category
 125      *
 126      * @param string $category Category to which results are submitted
 127      */
 128     public function update($category){
 129         $cat = New Category_Model();
 130         if ($cat->category_exists($category) AND $this->is_authorized()){
 131                 $xml = $this->get_xml();
 132                 $result = New Result_Model();
 133                 if ($result->insert($category,$_SERVER['PHP_AUTH_USER'], $xml['value'])){
 134                         print "OK";
 135                         die;
 136                 }
 137                 else {
 138                         header("HTTP/1.1 400 Bad Request");
 139                     echo "Invalid request";
 140                     die;
 141                 }
 142         }
 143         else {
 144             header("HTTP/1.0 404 Not Found");
 145             die('Category not found or not authorized');
 146         }
 147
 148     }
 149 }