contenido/adminprocess.php

   1 <?php
   2 require_once("../include/sesion.php");
   3       /* Make sure administrator is accessing page */
   4       if($session->isAdmin()){
   5
   6       /* Admin submitted update user level form */
   7       if(isset($_POST['subupdlevel'])){
   8          procUpdateLevel();
   9       }
  10       /* Admin submitted delete user form */
  11       else if(isset($_POST['subdeluser'])){
  12          procDeleteUser();
  13       }
  14       /* Admin submitted delete inactive users form */
  15       else if(isset($_POST['subdelinact'])){
  16          procDeleteInactive();
  17       }
  18       /* Admin submitted ban user form */
  19       else if(isset($_POST['subbanuser'])){
  20          procBanUser();
  21       }
  22       /* Admin submitted delete banned user form */
  23       else if(isset($_POST['subdelbanned'])){
  24          procDeleteBannedUser();
  25       }
  26
  27    } else {
  28
  29    return;
  30
  31    }
  32
  33    /**
  34     * procUpdateLevel - If the submitted username is correct,
  35     * their user level is updated according to the admin's
  36     * request.
  37     */
  38    function procUpdateLevel(){
  39       global $session, $database, $form;
  40       /* Username error checking */
  41       $subuser = checkUsername("upduser");
  42
  43       /* Errors exist, have user correct them */
  44       if($form->num_errors > 0){
  45          $_SESSION['value_array'] = $_POST;
  46          $_SESSION['error_array'] = $form->getErrorArray();
  47          header("Location: ../?accion=admin");
  48       }
  49       /* Update user level */
  50       else{
  51          $database->updateUserField($subuser, "userlevel", (int)$_POST['updlevel']);
  52          header("Location: ../?accion=admin");
  53       }
  54    }
  55
  56    /**
  57     * procDeleteUser - If the submitted username is correct,
  58     * the user is deleted from the database.
  59     */
  60    function procDeleteUser(){
  61       global $session, $database, $form;
  62       /* Username error checking */
  63       $subuser = checkUsername("deluser");
  64
  65       /* Errors exist, have user correct them */
  66       if($form->num_errors > 0){
  67          $_SESSION['value_array'] = $_POST;
  68          $_SESSION['error_array'] = $form->getErrorArray();
  69          header("Location: ../?accion=admin");
  70       }
  71       /* Delete user from database */
  72       else{
  73          $q = "DELETE FROM ".TBL_USERS." WHERE username = '$subuser'";
  74          $database->query($q);
  75          header("Location: ../?accion=admin");
  76       }
  77    }
  78
  79    /**
  80     * procDeleteInactive - All inactive users are deleted from
  81     * the database, not including administrators. Inactivity
  82     * is defined by the number of days specified that have
  83     * gone by that the user has not logged in.
  84     */
  85    function procDeleteInactive(){
  86       global $session, $database;
  87       $inact_time = $session->time - $_POST['inactdays']*24*60*60;
  88       $q = "DELETE FROM ".TBL_USERS." WHERE timestamp < $inact_time "
  89           ."AND userlevel != ".ADMIN_LEVEL;
  90       $database->query($q);
  91       header("Location: ../?accion=admin");
  92    }
  93
  94    /**
  95     * procBanUser - If the submitted username is correct,
  96     * the user is banned from the member system, which entails
  97     * removing the username from the users table and adding
  98     * it to the banned users table.
  99     */
 100    function procBanUser(){
 101       global $session, $database, $form;
 102       /* Username error checking */
 103       $subuser = checkUsername("banuser");
 104
 105       /* Errors exist, have user correct them */
 106       if($form->num_errors > 0){
 107          $_SESSION['value_array'] = $_POST;
 108          $_SESSION['error_array'] = $form->getErrorArray();
 109          header("Location: ../?accion=admin");
 110       }
 111       /* Ban user from member system */
 112       else{
 113          $q = "DELETE FROM ".TBL_USERS." WHERE username = '$subuser'";
 114          $database->query($q);
 115
 116          $q = "INSERT INTO ".TBL_BANNED_USERS." VALUES ('$subuser', $session->time)";
 117          $database->query($q);
 118          header("Location: ../?accion=admin");
 119       }
 120    }
 121
 122    /**
 123     * procDeleteBannedUser - If the submitted username is correct,
 124     * the user is deleted from the banned users table, which
 125     * enables someone to register with that username again.
 126     */
 127    function procDeleteBannedUser(){
 128       global $session, $database, $form;
 129       /* Username error checking */
 130       $subuser = checkUsername("delbanuser", true);
 131
 132       /* Errors exist, have user correct them */
 133       if($form->num_errors > 0){
 134          $_SESSION['value_array'] = $_POST;
 135          $_SESSION['error_array'] = $form->getErrorArray();
 136          header("Location: ../?accion=admin");
 137       }
 138       /* Delete user from database */
 139       else{
 140          $q = "DELETE FROM ".TBL_BANNED_USERS." WHERE username = '$subuser'";
 141          $database->query($q);
 142          header("Location: ../?accion=admin");
 143       }
 144    }
 145
 146    /**
 147     * checkUsername - Helper function for the above processing,
 148     * it makes sure the submitted username is valid, if not,
 149     * it adds the appropritate error to the form.
 150     */
 151    function checkUsername($uname, $ban=false){
 152       global $database, $form;
 153       /* Username error checking */
 154       $subuser = $_POST[$uname];
 155       $field = $uname;  //Use field name for username
 156       if(!$subuser || strlen($subuser = trim($subuser)) == 0){
 157          $form->setError($field, "* Username not entered<br>");
 158       }
 159       else{
 160          /* Make sure username is in database */
 161          $subuser = stripslashes($subuser);
 162          if(strlen($subuser) < 5 || strlen($subuser) > 30 ||
 163             !eregi("^([0-9a-z])+$", $subuser) ||
 164             (!$ban && !$database->usernameTaken($subuser))){
 165             $form->setError($field, "* Username does not exist<br>");
 166          }
 167       }
 168       return $subuser;
 169 }
 170
 171 ?>