git.defcon.no Git - hermes/blob - api/lib/auth_base.php

   1 <?php
   2 require_once('config.php');
   3
   4 $config = get_config();
   5
   6 /*******************************
   7 * Load authentication plugin ..
   8 *******************************/
   9 if ( preg_match('/^\w+$/', $config['auth_backend']))
  10 {
  11         if ( !@include_once ( 'lib/auth_plugins/' . $config['auth_backend'] . ".php" ) )
  12         {  print json_encode( array( 'response' => 'error', 'cause' => 'auth-load' ) ); exit; }
  13 }
  14 else
  15 {  print json_encode( array( 'response' => 'error', 'cause' => 'config-error' ) ); exit; }
  16 /*******************************/
  17
  18 function check_authkey ( $key )
  19 {
  20         global $config;
  21         if ( $key == "6327c08b70f9" ) return true;
  22         return false;
  23
  24 }
  25
  26 function new_key(  )
  27 {
  28         // Basically this is at the moment a slightly modified
  29         // version of generate_password() from user_functiions.php
  30         // The behaviour/output of this function is expected to change
  31         // so using generate_password() directly does not make sense...
  32         $length = 16;
  33         $string = "";
  34          while ( strlen( $string ) < $length )
  35          {
  36                 $string .= crypt( substr(sha1(rand()), 0, $length) );
  37                 $string = preg_replace( '/\W/', '', $string);
  38          }
  39         return substr( $string, 0, $length );
  40 }
  41
  42 function simple_authfail()
  43 {
  44         print json_encode( array( 'response' => 'failed', 'cause' => 'unauthorized', 'description' => 'Not authorized') );
  45         exit;
  46 }
  47
  48 function token_auth( )
  49 {
  50         global $_GET;
  51
  52         if ( array_key_exists('auth_key', $_GET ) )
  53         { if ( ! check_authkey($_GET['auth_key'] ) ) simple_authfail(); }
  54         else simple_authfail();
  55 }
  56
  57 function can_write ( )
  58 {
  59         // Stub, to be called on any API nodes taht write data in the DB.
  60         return true;
  61 }
  62
  63 ?>