api.php

   1 <?php
   2         require("login-config.php");
   3         error_reporting(E_ERROR | E_PARSE);
   4
   5         function get_files($path)
   6         {
   7                 $base = explode("\n", shell_exec("ls $path 2>/dev/null"));
   8                 array_pop($base);
   9                 echo json_encode($base);
  10         }
  11
  12         function walk_directory($path, $func)
  13         {
  14                 $data = array();
  15
  16                 $files = scandir($path);
  17
  18                 foreach ($files as $filename) {
  19                         if ($filename[0] == ".")
  20                                 continue;
  21
  22                         $result = $func($filename, $path . "/" . $filename);
  23
  24                         $data[$filename] = $result;
  25                 }
  26
  27                 echo json_encode($data);
  28         }
  29
  30         function check_worldname($name)
  31         {
  32                 return preg_match("/^[a-zA-Z0-9]+$/", $name);
  33         }
  34
  35         function world_exists($name)
  36         {
  37                 return check_worldname($name) && file_exists("worlds/" . $name);
  38         }
  39
  40         function get_mods($path)
  41         {
  42                 walk_directory($path, function($modname, $modpath) {
  43                         $dependencies = file_get_contents($modpath . "/dependencies.txt");
  44
  45                         return array(
  46                                 "name" => $modname,
  47                                 "description" => file_get_contents($modpath . "/description.txt"),
  48                                 "dependencies" => $dependencies ? array_values(array_filter(explode("\n", $dependencies))) : array(),
  49                                 "path" => $modpath,
  50                         );
  51                 });
  52         }
  53
  54         switch($_POST["call"]) {
  55                 case "getGamemods":
  56                         get_mods("game");
  57                         break;
  58
  59                 case "getMods":
  60                         get_mods("mods");
  61                         break;
  62
  63                 case "getWorlds":
  64                         walk_directory("worlds", function($worldname, $path) {
  65                                 return array(
  66                                         "name" => $worldname,
  67                                         "owned" => is_loggedin() && get_username() == file_get_contents($path . "/owner.txt"),
  68                                 );
  69                         });
  70                         break;
  71
  72                 case "getTextures":
  73                         get_files("textures/* game/*/textures/* mods/*/textures/*");
  74                         break;
  75
  76                 case "getSounds":
  77                         get_files("sounds/* game/*/sounds/* mods/*/sounds/*");
  78                         break;
  79
  80                 case "isLoggedin":
  81                         echo json_encode(is_loggedin());
  82                         break;
  83
  84                 case "getUsername":
  85                         echo get_username();
  86                         break;
  87
  88                 case "saveWorld":
  89                         if (! is_loggedin())
  90                                 return;
  91                         else if (! $_POST["name"])
  92                                 return;
  93                         else if (! check_worldname($_POST["name"]))
  94                                 return;
  95
  96                         if (! world_exists($_POST["name"]))
  97                                 mkdir("worlds/" . $_POST["name"]);
  98                         else if (file_get_contents("worlds/" . $_POST["name"] . "/owner.txt") != get_username())
  99                                 return;
 100
 101                         file_put_contents("worlds/" . $_POST["name"] . "/world.json", $_POST["world"]);
 102                         file_put_contents("worlds/" . $_POST["name"] . "/owner.txt", get_username());
 103                         break;
 104
 105                 case "commitID":
 106                         echo shell_exec("git rev-parse --short HEAD");
 107                         break;
 108         }
 109 ?>