index.php

   1 <?php
   2 require('includes/header.php');
   3
   4 include('lib/db.php');
   5
   6 $connection = new CustomDB($configs['host'], $configs['username'], $configs['password'], $configs['database']);
   7
   8 $page = filter_input(INPUT_GET, 'page', FILTER_SANITIZE_URL);
   9 $is_page = true;
  10 if (!isset($page)) {
  11     $is_page = false;
  12     $page = "";
  13 }
  14
  15 /**
  16  * form MUST have an hidden field named 'form' to enable proper routing here
  17  */
  18 $form = filter_input(INPUT_POST, 'form', FILTER_SANITIZE_URL);
  19 $is_form = true;
  20 if (!isset($form)) {
  21     $is_form = false;
  22     $form = "";
  23 }
  24
  25 //var_dump($_SESSION);
  26
  27 /**
  28  * [get_action_type description]
  29  * @return [type] [description]
  30  */
  31 function get_action_type() {
  32     global $is_page, $is_form;
  33
  34     if ($is_page && !$is_form && is_get_request()) {
  35         return "page";
  36     } elseif ($is_form && !$is_page && is_post_request()) {
  37         return "form";
  38     } elseif (!$is_page && !$is_form && is_get_request()){
  39         return "empty";
  40     } else {
  41         return "unknown";
  42     }
  43 }
  44
  45 /**
  46  * [get_url_action description]
  47  * @param  [type] $action_type [description]
  48  * @return [type]              [description]
  49  */
  50 function get_url_action($action_type) {
  51     global $page, $form;
  52
  53     if ($action_type === "page") {
  54         return $page;
  55     } elseif ($action_type === "form") {
  56         return $form;
  57     } elseif ($action_type === "empty") {
  58         return "";
  59     } elseif ($action_type === "unknown") {
  60         die('Cannot get a valid action from URL parameters or form fields.');
  61     }
  62 }
  63
  64 /**
  65  * [validate_url_action validate if the current page is a valid site actions]
  66  * @param  [string] $page [the viewed page name]
  67  * @return [string]       [the valid matching action or the default action
  68  *                         if the action name do not exist ]
  69  */
  70 function validate_url_action($action_name)
  71 {
  72     global $configs;
  73
  74     foreach ($configs['actions'] as $action) {
  75         if (strcmp($action_name, $action) === 0) {
  76             // The actions list can't have duplicated entries
  77             return $action;
  78         }
  79     }
  80     // Return the default action
  81     return $configs['actions'][0];
  82 }
  83
  84 /**
  85  * [display_action description]
  86  * @param  [type] $action_name [description]
  87  * @param  [type] $action_type [description]
  88  * @return [type]              [description]
  89  */
  90 function display_action($action_name, $action_type)
  91 {
  92     global $configs;
  93     $includes_rpath = 'includes';
  94
  95     $found_action = false;
  96     foreach ($configs['actions'] as $action) {
  97         if (strcmp($action_name, $action) === 0) {
  98             // HTTP GET case
  99             if ($action_type === "page" || $action_type === "empty") {
 100                 include($includes_rpath . "/" . $action . ".php");
 101             // HTTP POST case
 102             } elseif ($action_type === "form") {
 103                 include($includes_rpath . "/form" . $action . ".php");
 104             } else {
 105                 echo "Unknown error in action displaying. <br>";
 106             }
 107             $found_action = true;
 108             break;
 109         }
 110     }
 111     if (!$found_action) {
 112         echo "Action to display do not exist. <br>";
 113     }
 114 }
 115
 116 $action_type = get_action_type();
 117 $url_action = get_url_action($action_type);
 118 $action = validate_url_action($url_action);
 119 display_action($action, $action_type);
 120
 121 $connection->close();
 122
 123 session_write_close();
 124
 125 require('includes/footer.html');
 126 ?>