wwwroot/inc/eventz/configure_image.inc

   1 <?php
   2     // FINAL, RUNNING ... id# 2105641
   3     // Comments, requests and bugs na moj mail ;) dakujem.
   4
   5     function __cin_get_img_type(&$_file_i) {
   6         list($_mime_type, $_mime_subtype) = explode('/', $_file_i['type']);
   7         if ($_mime_type != 'image') return (false);
   8
   9         $_img_i = getimagesize($_file_i['tmp_name']);
  10         switch ($_mime_subtype) {
  11             case 'gif':  return (($_img_i[2] == 1)?'gif':false); break;
  12             case 'jpeg': return (($_img_i[2] == 2)?'jpg':false); break;
  13             case 'png':  return (($_img_i[2] == 3)?'png':false); break;
  14
  15             default: return (false); break;
  16         }
  17     }
  18
  19     function __cin_create_tmp_image($_src_f, $_dest_f, $_img_t, $_img_w) {
  20
  21         switch ($_img_t) {
  22             case 'gif': $_img_c_func = 'imagecreatefromgif'; break;
  23             case 'jpg': $_img_c_func = 'imagecreatefromjpeg'; break;
  24             case 'png': $_img_c_func = 'imagecreatefrompng'; break;
  25
  26             default: return (false); break;
  27         }
  28
  29         $_src_i  = $_img_c_func($_src_f);
  30         $_src_w  = imagesx($_src_i);
  31         $_src_h  = imagesy($_src_i);
  32
  33         $_dest_w = floor($_src_w / ($_src_w / min($_src_w, $_img_w)));
  34         $_dest_h = floor($_src_h / ($_src_w / min($_src_w, $_img_w)));
  35
  36         $_dest_i = imagecreatetruecolor($_dest_w, $_dest_h);
  37
  38         imagecopyresampled($_dest_i, $_src_i, 0, 0, 0, 0, $_dest_w, $_dest_h, $_src_w, $_src_h);
  39
  40         imagegif($_dest_i, $_dest_f);
  41         chmod($_dest_f, 0664);
  42
  43         imagedestroy($src_i);
  44         imagedestroy($dest_i);
  45
  46         return (true);
  47     }
  48
  49     function configure_image() {
  50     global $error, $node;
  51
  52         if (empty($_FILES['description_image'])) {
  53             $error = '#00: Invalid file supplied.';
  54             return (false);
  55         }
  56
  57         // if is owner, find out type of the image
  58         if ($node['node_permission'] == 'owner') {
  59
  60             if (!($_img_t = __cin_get_img_type($_FILES['description_image']))) {
  61                 $error = '#01: Invalid file format (only JPEG, GIF & PNG are allowed)';
  62                 return (false);
  63             }
  64         // XXX hard coded
  65             $_WEBROOT_PATH     = realpath(dirname(__FILE__).'/../..');
  66             $_PROCESS_IMG_PATH = $_WEBROOT_PATH.'/process-img';
  67
  68             $_required_dims    = ($node['node_id'] == $_SESSION['user_id'])?50:NODE_IMAGE_WIDTH;
  69             $_prepared_fname   = sprintf('%s/prepared/%03s_%s.gif.upload', $_PROCESS_IMG_PATH, $_required_dims, $node['node_id']);
  70             $_nodeimg_fname    = sprintf('%s/'.SYSTEM_IMAGES.'/nodes/%s/%s/%d.gif', $_WEBROOT_PATH, $node['node_id'][0], $node['node_id'][1], $node['node_id']);
  71
  72             if (!is_uploaded_file($_FILES['description_image']['tmp_name'])) {
  73                 $error = '#02: Invalid file upload';
  74                 return (false);
  75             }
  76
  77             if (!__cin_create_tmp_image($_FILES['description_image']['tmp_name'], $_nodeimg_fname, $_img_t, $_required_dims)) {
  78                 $error = '#03: Unable to create temporary thumbnail image!';
  79                 return (false);
  80             }
  81
  82 //            if (!move_uploaded_file($_FILES['description_image']['tmp_name'], $_prepared_fname)) {
  83 //                $error = '#04: Error moving uploaded file!';
  84 //                return (false);
  85 //            }
  86
  87 //            chmod($_prepared_fname, 0664);
  88 //            rename($_prepared_fname, substr($_prepared_fname, 0, -7));
  89
  90         }
  91
  92         return (true);
  93     }
  94 ?>